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  Issue-631 - November 07, 2016   Recommend
Press Releases Patents Technical Papers
LATEST TRENDS >> PRESS RELEASES
PU RAW MATERIALS>> POLYOLS>> GREEN BASED POLYOLS
Saudi Aramco acquires Novomer's polyol business and associated technologies, enhancing its...

Saudi Aramco has acquired the Converge product line and associated operations and technologies from U.S.-based Novomer Inc. The transaction was valued at up to US$100 Million.Converge is manufactured from and contains a significant portion of Carbon Dioxide (CO2). The technology provides a high-performance, cost competitive and more sustainable...

Company name: Novomer
Published On: Friday November 04th, 2016

 
PU RAW MATERIALS>> POLYOLS>> POLYESTER
Stepan Announces C.A.S.E. Polyol Price Increase for the Americas December 1, 2016

Effective December 1, 2016, Stepan will increase prices for STEPANPOL Polyester Polyols for the C.A.S.E. Industry in the Americas by $0.06 per pound. The increase is necessary due to rising raw material and production costs.

Company name: Stepan Company
Published On: Wednesday November 02nd, 2016

 
PU RAW MATERIALS>> ISOCYANATES>> TDI
Mideast TDI may stay firm after Oct spike; buyers cautious

Toluene di-isocyanate (TDI) values in the Middle East will likely remain supported by tight supply in the near term, but wary buyers are deferring purchases following an unprecedented price spike in October, market sources said on Friday. Buyers said they were confident that they could hold out for lower prices if TDI supply normalizes in coming...

Company name: ICIS Chemical Business
Published On: Friday November 04th, 2016

 
PU RAW MATERIALS>> RESIN COMPOSITION
New DSM resin for intense color metallic effect

NeoPac E-123 is DSM's latest urethane-acrylic hybrid resin for the formulation of metallic basecoats with intense solid colors as well as aluminum and mica starburst effects. NeoPac E-123 exhibits broad pigment paste acceptance and is designed for use in high-performance industrial markets. NeoPac E-123 brings dramatic improvements in the...

Company name: Fitz Chem
Published On: Friday November 04th, 2016

 
CASE>> COATINGS
PPG acquires Romanian paint and coatings manufacturer Deutek

PPG has reached an agreement with the Emerging Europe Accession Fund (EEAF) to acquire Deutek S.A., a leading Romanian paint and architectural coatings manufacturer.PPG expects the transaction to close in the first quarter 2017, following the receipt of regulatory approvals and satisfaction of customary closing conditions. Financial terms were not...

Company name: PPG Industries
Published On: Friday November 04th, 2016

 
CASE>> COATINGS>> FLOORING
At the Ground Level of India's Booming Wine Industry

India's wine industry is currently seeing an unprecedented period of growth, with an estimated production of 18 million litres this year, up from 17 million last year, and reaching 21 million litres by 2018.Getting the winery design right is critical to meeting the growing demand while also ensuring that the winery complies with the strict...

Company name: Flowcrete
Published On: Sunday November 06th, 2016

 
CASE>> ADHESIVES
Henkel Adhesive Technologies Supplier Award 2016 for Wanhua

Driving powerful innovations and providing tailor-made solutions to customers: A key factor for success for Henkel Adhesive Technologies is close collaboration with strategic suppliers. For the fourth consecutive year, the business unit has recognized outstanding performance by its suppliers with its annual Supplier Awards in the categories of...

Company name: Henkel
Published On: Monday November 07th, 2016

 
CASE>> ELASTOMERS>> TPU FOR 3D PRINTING
BASF strengthens collaboration with HP for production-ready 3D printing materials development

BASF is teaming up with HP to offer new 3D printing materials to customers through the HP Multi Jet Fusion Open Platform. The HP Open Platform approach allows customers to select a material supplier, such as BASF, and engage with them directly to develop materials for specific 3D production applications. BASF and HP are now strengthening the...

Company name: BASF
Published On: Friday November 04th, 2016

 
CASE>> ELASTOMERS>> FILMS
FlexiShield now available in Australia

Automotive paint protection film FlexiShield is now available in Australia.The film is currently manufactured by US-based Reflek Technologies Corporation and consists of a thermoplastic polyurethane film that is almost invisible to the eye.FlexiShield has been designed with self-healing properties which by spray the film with hot hot water upon...

Company name: Reflek Technologies
Published On: Wednesday November 02nd, 2016

 
CASE>> COMPOSITES
Composites on the road: The automotive industry as the growth and innovation driver of the...

The automotive industry continues its run as one of the most important growth and innovation drivers for the composites industry. About a third of the entire GFRP production volume is deployed in automotive applications. The share of total worldwide GFRP processing demand is roughly 21 per cent. The automotive sector is also a key player among the...

Company name: Composites Europe
Published On: Friday November 04th, 2016

 
PROCESSING EQUIPMENTS - PRODUCTION
DOPAG and OSV Technologiya companies have signed a cooperation agreement

Our company has signed an agency agreement on cooperation with the German-Swiss company DOPAG - Europe largest supplier of automated solutions for modern manufacturing enterprises.OSV Technologiya is going to deal with DOPAG customers from Ukraine and Moldova, carry out maintenance and warranty service, as well as produce and deliver a variety of...

Company name: OSV Technologiya
Published On: Friday November 04th, 2016

 
PROCESSING EQUIPMENTS - PRODUCTION>> ACCESSORIES
Spray Foam Equipment Distributor Invents New Product

SprayWorks Equipment Group, an Ohio-based PMC equipment distributor and manufacturer of the Barrel Blazer and Spraybot, has released a new drum heater - the Dual Barrel Blazer. Previously only available as a single drum heating unit, the Dual Barrel Blazer allows contractors to heat full size 55 gallon drums side-by-side - whether in a mobile rig...

Company name: SprayWorks Equipment Group
Published On: Wednesday November 02nd, 2016

 
FINISHED PRODUCTS
Design Innovation in Plastics winners blown away at K 2016

Established in 1985, the Design Innovation In Plastics competition is now the longest running student plastics design award in Europe. The competition, which asks university students to design new products made from plastics, is sponsored by Covestro and organized by the Institute of Materials Minerals and Mining, and the Worshipful Company of...

Company name:
Published On: Wednesday November 02nd, 2016

 
FINISHED PRODUCTS>> CONSTRUCTING>> AIR LEAKS
5 Ways to Test for Air Leaks

Reducing the amount of air that leaks in and out of a home is a cost-effective way to cut heating and cooling costs, increase comfort and create a healthier indoor environment. While homeowners are likely aware of the typical places air leakage can occur, such as under-the-door drafts, they will not know how to detect the less obvious gaps that...

Company name: Fomo Products, Inc
Published On: Thursday November 03rd, 2016

 
FINISHED PRODUCTS>> MINING
TEMA Isenmann heading for Conexpo-Conn/Agg 2017 in Vegas

TEMA Isenmann Inc. will again be exhibiting at Conexpo-Con/Agg 2017 held at the Las Vegas Convention Centre on 7-11 March 2017 in the Centre Hall Booth #32237.CONEXPO-CON/AGG - Where every major construction industry is represented amongst 2,500+ exhibitors over 2,500,000 square feet and more than 140 education sessions including asphalt,...

Company name: Tema Isenmann Ltd
Published On: Tuesday November 01st, 2016

 
FINISHED PRODUCTS>> MEDICAL>> WOUND DRESSING
Sustainable textile coatings for medical applications

In recent years, Covestro has developed new polyurethane raw materials for state-of-the-art wound care under the trade name of Baymedix . These include raw materials for wound dressings that assist in the healing process and also offer numerous design options. These raw materials are used, for example, in absorbent foams manufactured from Baymedix...

Company name: Covestro
Published On: Monday November 07th, 2016

 
FINISHED PRODUCTS>> INDUSTRIAL>> BELT
A more effective return belt tracking system from Martin Engineering

A global leader in bulk handling technology has introduced a more effective return belt tracking system that uses high-quality materials for easier maintenance and a longer unit life.Building upon the standard crowned roller, the Martin Roller Tracker from Martin Engineering uses a unique ribbed lagging made of durable polyurethane to increase...

Company name: Martin Engineering
Published On: Wednesday November 02nd, 2016

 
FINISHED PRODUCTS>> INDUSTRIAL>> CASTER & WHEELS
Heavy Duty Caster Wheel Company Caster Concepts Offers Poly Wheel Replacement

Polyurethane wheels are incredibly popular in many industrial and manufacturing environments. Like anything else, they can and will wear over time. Rather than simply replacing the wheels, there are some advantages associated with poly wheel remolding. In this process, Caster Concepts will rework your damaged or worn poly wheels as long as the...

Company name: Caster Concepts
Published On: Monday November 07th, 2016

 
HEALTH & SAFETY
US EPA proposes Snurs for carbon nanotubes, isocyanate substances

The US EPA is proposing significant new use rules (Snurs) for three substances that were the subject of pre-manufacture notices (PMNs), submitted before the 22 June passage of the Lautenberg Chemical Safety Act.The three substances' chemical identities have been claimed as confidential; their generic identifiers are:■ functionalised carbon...

Company name: US Environmental Protection Agency
Published On: Friday November 04th, 2016

 
OSHA Releases Updated Recommended Practices to Encourage Workplace Safety and Health Programs

The Occupational Safety and Health Administration released a set of Recommended Practices for Safety and Health Programs to help employers establish a methodical approach to improving safety and health in their workplaces.The recommendations update OSHA's 1989 guidelines to reflect changes in the economy, workplaces, and evolving safety and health...

Company name: the Occupational Safety and Health Administration
Published On: Wednesday November 02nd, 2016

 
INDUSTRY UPDATE
Chem-Trend investing $7.7M in Howell facility, adding jobs

Chem-Trend is investing $7.7 million in its McPherson Industrial Park facility in Howell and plans to create 25 additional jobs over the next few months.The manufacturer is expanding the research and development arm of the facility and hiring new employees to meet the requirements of a $250,000 grant it received from the Michigan Economic...

Company name: Chem-Trend
Published On: Friday November 04th, 2016

 
Covestro's CSR, innovation and sustainability initiatives headline session at Fast Company...

Covestro, a leading supplier of high-tech polymers, presented a session at the second annual Fast Company Innovation Festival in New York City, relating a multifaceted innovation story through its involvement as an official partner of Solar Impulse. The session focused on the historic solar-powered flight and its impact on the future of clean...

Company name: Covestro
Published On: Friday November 04th, 2016

 
Chem-Trend at ANPIC 2016: Innovations for the polyurethane industry.

Visit with Chem-Trend while at ANPIC 2016 in Guanajuato, Mexico. Our polyurethane industry experts will be on hand in booth C1B11 to discuss our latest innovations for your manufacturing challenges.The event brings companies together from all around the world at this event focused on leather and leather goods, footwear, automotive, textiles,...

Company name: Chem-Trend
Published On: Thursday November 03rd, 2016

 
Mearthane Products Corporation Hosts Rhode Island Export Assistance

Mearthane Products Corporation (MPC), a Rhode Island based developer and manufacturer of polyurethane based components since 1965, this week hosted members of the Rhode Island Congressional Delegation and representatives from the U.S. Small Business Administration (SBA) and Bryant University's John H. Chafee Center for International Business at its...

Company name: Mearthane Products
Published On: Tuesday November 01st, 2016

 
PEOPLE
Marco Roma joins MAPEI Americas leadership as General Manager of Canada

MAPEI has announced the appointment of Marco Roma as General Manager of MAPEI Inc., the Canadian subsidiary of the global chemical products manufacturer. Roma will join the MAPEI Americas leadership team and will report directly to MAPEI Americas President and CEO Luigi Di Geso.Roma has worked for Mapei S.p.A. since April 2014, as a Corporate Area...

Company name: Mapei
Published On: Wednesday November 02nd, 2016

 
 
LATEST TRENDS >> PATENTS
PU RAW MATERIALS>> ADDITIVES>> SCORCH INHIBITOR
Polyurethane scorch inhibitor

An additive composition for inhibiting scorch in a polyurethane foam composition, the additive comprising a derivatized hydroquinone; a derivatized lactone; and a derivatized phenolic compound. A polyurethane foam composition contains the additive composition.

Company name: Vanderbilt RT Company Inc
Published On: Friday November 04th, 2016

 
PU RAW MATERIALS>> ADDITIVES>> FLAME RETARDANT
Phosphorus-containing compounds useful for making halogen-free, ignition-resistant polymers

A process for making a phosphorus-containing compound is disclosed. The process comprises contacting a compound of formula (A) wherein R.sup.A and R.sup.B are selected from optionally substituted aryl, aryloxy, alkyl and alkoxy groups or can be combined to form cyclic structures; and R.sup.C is methyl, ethyl, isopropyl, n-butyl, i-butyl, t-butyl,...

Company name: Blue Cube
Published On: Saturday November 05th, 2016

 
PU RAW MATERIALS>> CURING AGENTS - CROSSLINKERS
Acrylamide-based crosslinking monomers, their preparation, and uses thereof

A process for preparing an acrylamide-based crosslinking monomer including reacting in the presence of a catalyst an isocyanate compound containing at least two isocyanate groups with one of acrylic acid and methacrylic acid.

Company name: Saltworks Technologies
Published On: Saturday November 05th, 2016

 
PU RAW MATERIALS>> POLYOLS>> GREEN BASED POLYOLS
High recycle content polyols from thermoplastic polyesters and lignin or tannin

Polyester polyols, processes for making them, and applications for the polyols are disclosed. In some aspects, the polyols comprise recurring units from a thermoplastic polyester or an aromatic polyacid source, a glycol, and a lignin, tannin, or mixture thereof. Optionally, the polyols incorporate recurring units of a hydrophobe. The polyols are...

Company name: Resinate Materials Group
Published On: Friday November 04th, 2016

 
Polymer compositions and methods

The present invention encompasses polyurethane compositions comprising aliphatic polycarbonate chains. In one aspect, the present invention encompasses polyurethane foams, thermoplastics and elastomers derived from aliphatic polycarbonate polyols and polyisocyanates wherein the polyol chains contain a primary repeating unit having a structure:...

Company name: Novomer
Published On: Sunday November 06th, 2016

 
PU RAW MATERIALS>> POLYOLS>> POLYETHER
Use of urethane alcohols for preparing polyether carbonate polyols

The present invention relates to a method for preparing polyether carbonate polyols by the addition of alkylene oxides and carbon dioxide onto H-functional starter compounds. The method is characterized in that at least one urethane alcohol according to formula (II) is used as an H-functional starter compound, wherein R represents a linear or...

Company name: Covestro Deutschland
Published On: Sunday November 06th, 2016

 
PU RAW MATERIALS>> RESIN COMPOSITION>> INKS COMPOSITION
Ink, ink cartridge, and image recording method

An ink containing a self-dispersing pigment, polyurethane resin particles, a surfactant, and water, wherein the self-dispersing pigment is a pigment having a phosphonate group bonded directly or via another atomic group to the surface of the pigment, wherein the polyurethane resin particles have an anionic functional group content of 0.1 mmol/g or...

Company name: Canon Kabushiki Kaisha
Published On: Saturday November 05th, 2016

 
Thermal inkjet ink set

A thermal inkjet ink set includes a pre-treatment fixing fluid, an ink, and a post-treatment fluid. The pre-treatment fixing fluid includes a metal salt. The ink includes an ink vehicle and a colorant. The post-treatment fluid includes a fluid vehicle and an anionic polyurethane acrylic hybrid polymer binder dispersed in the fluid vehicle. The...

Company name: Hewlett-Packard
Published On: Sunday November 06th, 2016

 
FOAMS
Foams of high thermal stability

The invention relates to foams of high thermal stability, to the production thereof from organic polyisocyanates and polyepoxides, and to the use of the foams.

Company name: Covestro Deutschland
Published On: Friday November 04th, 2016

 
FOAMS>> RIGID>> POLYISOCYANURATE FOAMS
Marine foam

The invention generally pertains to the use of polyurethane foam blown by at least one blowing agent having a boiling point at atmospheric pressure of between .about.5.degree. C. to .about.50.degree. C., including miscible blends thereof, which passes all United States Coast Guard Title 33, Part 183 specifications wherein the buoyant force of the...

Company name: Fomo Products, Inc
Published On: Friday November 04th, 2016

 
Composition suitable for production of rigid polyurethane or polyisocyanurate foams

The present invention relates to a composition suitable for production of rigid polyurethane or polyisocyanurate foams, said composition comprising at least one isocyanate component, at least one polyol component, at least one foam stabilizer, at least one urethane and/or isocyanurate catalyst, optionally water and/or blowing agent, and optionally...

Company name: Evonik Degussa GmbH
Published On: Saturday November 05th, 2016

 
Polyisocyanurate foam composites and their production and use

The invention relates to a method for the production of a rigid PIR foam composite containing man-made vitreous fibres (MMVF), the method comprising: providing MMVF, wherein at least 50% of the fibres by weight have a length of less than 250 .mu.m; providing a polyol component; mixing the MMVF and polyol component in a ratio such that the amount of...

Company name: ROCKWOOL International
Published On: Saturday November 05th, 2016

 
CASE>> COATINGS>> DISPERSIONS
Durable aqueous compositions for use in making traffic markings having good dirt pickup resistance...

The present invention provides aqueous compositions useful in making traffic markings having early dirt pickup resistance which comprise one or more vinyl or acrylic emulsion polymers having a measured glass transition temperature (measured Tg) of from -10 to 60.degree. C., preferably 20.degree. C. or higher, (ii) from 3 to 15 wt. %, or,...

Company name: Rohm and Haas Company
Published On: Saturday November 05th, 2016

 
CASE>> COATINGS>> PHOTOSENSITIVE / RADIATION-CURABLE
Polymeric composition

The present invention relates to a radiation curable aqueous coating composition comprising a dispersion of a chain extended polyurethane which dispersion comprises (a) a polyurethane-urea polymer comprising (i) acryloyl groups present in an amount of at least 2.0 mmol per g of the polyurethane-urea polymer; and (ii) urea groups present in an...

Company name: DSM
Published On: Sunday November 06th, 2016

 
CASE>> COATINGS>> PAINTS
Aqueous coating composition and production of multicoat paint systems using said coating composition...

The present invention relates to an aqueous coating composition comprising at least one aqueous dispersion comprising at least one copolymer (CP), said copolymer (CP) being preparable by (i) initially charging an aqueous dispersion of at least one polyurethane, and then (ii) polymerizing a mixture of olefinically unsaturated monomers in the...

Company name: BASF Coatings AG
Published On: Saturday November 05th, 2016

 
Method for producing a multicoat paint system

The present invention relates to a method for producing a multicoat paint system on a metallic substrate, in which a basecoat or a plurality of directly successive basecoats are produced directly on a metallic substrate coated with a cured electrocoat, a clearcoat is produced directly on the one basecoat or the uppermost of the plurality of...

Company name: BASF Coatings AG
Published On: Saturday November 05th, 2016

 
CASE>> ADHESIVES>> FILM
Tacky, heat curable multi-layer adhesive films

Disclosed is a multi-layer adhesive film including a heat curable adhesive film and a first tacky adhesive composition disposed on the first major surface of the heat curable adhesive film. The heat curable adhesive film includes a surface-deactivated solid isocyanate and a polyurethane that includes functional groups that are reactive with...

Company name: HB Fuller
Published On: Friday November 04th, 2016

 
CASE>> ELASTOMERS>> FILMS
Multilayer polyurethane protective films

The present invention relates to multilayer films used to protect a surface, in particular, to such films used to protect surfaces of articles e.g., mobile electronics display protections, smartphones, tablets), industrial touch screens (e.g. machine interfaces), UV stable surfaces and glass protections for machine housings and cockpits (e.g....

Company name: Impact Protection Technology
Published On: Saturday November 05th, 2016

 
CASE>> COMPOSITES
Nonwoven flexible composites

Embodiments of the present invention provide systems and methods for using nonwoven materials for evacuation slides, life rafts, life vests, and other life-saving inflatable devices. The nonwoven materials have a substrate layer with continuous filament fibers formed in various directions. The substrate layer then has a first and second layer of...

Company name: Air Cruisers Company
Published On: Friday November 04th, 2016

 
Polyurethanes derived from highly reactive reactants and coal ash

Composite materials and methods for their preparation are described herein. The composite materials include a polyurethane made from the reaction of at least one isocyanate and at least one polyol, and coal ash (e.g., fly ash). The composite materials are highly reactive systems such as through the use of highly reactive polyols, highly reactive...

Company name: Boral
Published On: Friday November 04th, 2016

 
FINISHED PRODUCTS>> AUTOMOTIVE>> INTERIOR IN-MOLD COVERED PARTS
Vehicle-interior material and production method therefor

There is provided a vehicle-interior material, and in particular an instrument panel, which is thin, and which imparts a pleasant tactile sensation. In this integrated-urethane foam molded vehicle-interior material, a urethane foam layer is integrally molded between a resin skin material and a base material. The thickness of the urethane foam layer...

Company name: Sanyo Chemical Industries
Published On: Sunday November 06th, 2016

 
FINISHED PRODUCTS>> AUTOMOTIVE>> TIRES / TIRES FILLING
Provision of thermal conductivity for a tire containing a cast polyurethane component

This invention relates to provision of heat conductivity for a tire containing a polyurethane component with a dispersion of layered hexagonally crystalline boron nitride (h-BN) particles. The invention particularly relates to a pneumatic rubber tire with a polyurethane component wherein a path of thermal conductivity is provided from the interior...

Company name: The Goodyear Tire & Rubber Company
Published On: Sunday November 06th, 2016

 
FINISHED PRODUCTS>> BEDDING>> CUSHIONS
Reticulated material body support and method

A support cushion including a top surface, a bottom surface opposite top surface, a layer of flexible foam having plurality of cells defining a reticulated cellular structure, the reticulated cellular structure cells comprising a skeletal plurality of supports through which substantially open cell walls establish fluid communication between...

Company name:
Published On: Sunday November 06th, 2016

 
FINISHED PRODUCTS>> ELECTRICAL AND ELECTRONIC>> CABLES AND CONNECTORS
Electric cable for use in a welding device

An electric cable includes at least one current line having first and second ends, including several wires, a first plug connector and at least one second plug connector arranged on the first and second ends, respectively. At least one plug connector includes a material having A) 98.0% to 99.8% by weight of a polymer selected from the group...

Company name: Balluff
Published On: Saturday November 05th, 2016

 
FINISHED PRODUCTS>> ELECTRICAL AND ELECTRONIC>> POLISHING PAD
Chemical mechanical polishing method

A chemical mechanical polishing method is provided comprising: providing a substrate, wherein the substrate comprises a silicon oxide and a silicon nitride; providing a polishing slurry; providing polishing pad, comprising: a polishing layer having a composition that is a reaction product of ingredients, comprising: a polyfunctional isocyanate and...

Company name: Rohm and Haas Electronic Materials
Published On: Friday November 04th, 2016

 
High-stability polyurethane polishing pad

The invention provides a polishing pad suitable for planarizing at least one of semiconductor, optical and magnetic substrates. The polishing pad is a cast polyurethane polymeric matrix formed from an isocyanate-terminated molecule and a curative agent. The cast polyurethane polymeric matrix contains 4.2 to 7.5 weight percent fluid-filled...

Company name: Rohm and Haas Electronic Materials
Published On: Friday November 04th, 2016

 
FINISHED PRODUCTS>> AERONAUTIC / AEROSPACE
Method of filling voids around countersunk fastener heads

A method for a structure having a countersunk fastener head includes forcing an aliphatic urethane surfacer into a void around the fastener head.

Company name: The Boeing Company
Published On: Friday November 04th, 2016

 
FINISHED PRODUCTS>> SPORTS>> GOLF
Golf ball with translucent cover

The present invention is directed a golf ball comprising a core and a cover and an optional intermediate layer disposed between the core and cover, wherein at least one of the core and the intermediate layer comprises any Pantone Matching System color including blue, green, yellow, pink, or orange having an L* value of about 80 or less; and wherein...

Company name: Acushnet Company
Published On: Friday November 04th, 2016

 
Golf balls having a multi-layered core with a thermoset rubber center

Golf balls having a multi-layered solid core and multi-layered cover are provided. The center of the core is made of a thermoset rubber material and preferably has a positive hardness gradient. The intermediate core layer is made of a thermoset or thermoplastic composition. The outer core layer is made of a highly neutralized polymer composition....

Company name: Acushnet Company
Published On: Saturday November 05th, 2016

 
CHEMISTRY
Polymerizable composition

The polymerizable composition of the present invention contains a ketone compound including one or more carbonyl groups, at least one kind of isocyanate compounds and at least one kind of thiol compounds.

Company name: Mitsui Chemicals
Published On: Sunday November 06th, 2016

 
Method for producing latent curing agent

A latent curing agent formed by holding an imidazole compound in porous resin particles is produced by emulsifying an oil phase obtained by dissolving a polyfunctional isocyanate compound in an organic solvent in an amount of 1.5 to 5 times by mass the amount of polyfunctional isocyanate compound in an aqueous phase obtained by dissolving a...

Company name: Dexerials
Published On: Friday November 04th, 2016

 
 
LATEST TRENDS >> PAPERS
PU RAW MATERIALS>> RESIN COMPOSITION>> DISPERSIONS
Preparation and characterization of a polydimethylsiloxane‐modified,...

Waterborne polydimethylsiloxane-modified epoxy-resin-based polyol dispersions were synthesized by the reaction of 2,4-toluene diisocyanate with 2,2-bis(hydroxymethyl) propionic acid, hydroxypropyl-terminated polydimethylsiloxane (HTPDMS), and bisphenol A epoxy resin based polyol. These HTPDMS-modified polyol dispersions exhibited a small particle...

Company name: Chinese Academy of Forestry
Published On: Monday November 07th, 2016

 
Preparation and properties of reactive polyurethane polyacrylate blends based on...

A new reactive polyurethane/polyacrylate (PU/PA) blend was developed by mixing a core-shell polyacrylate latex containing keto groups in shell layer and a polyurethane dispersion incorporating multiple hydrazide groups which was synthesized by introducing the poly-hydrazide groups into the end of the vinyl-terminated polyurethane chains. Fourier...

Company name: South China University of Technology
Published On: Monday November 07th, 2016

 
CASE>> ELASTOMERS>> TPU
Trapping Dynamic Disulfide Bonds in the Hard Segments of Thermoplastic Polyurethane Elastomers

Dynamic covalent bonds placed within a polymer chain result in stimulus-responsive materials where the breaking/making and/or exchange of the dynamic bonds controls the response. A key attribute to access such properties is the molecular mobility of the dynamic bonds. The focus of this work is to understand how incorporating a dynamic bond, in the...

Company name: Case Western Reserve University
Published On: Monday November 07th, 2016

 
CASE>> COMPOSITES>> NANOMATERIALS
Polyurethane/amino‐grafted multiwalled carbon nanotube nanocomposites: Microstructure,...

A mixture of two different polyols, (polytetramethylene ether glycol and polydimethylsiloxane), were employed to synthesize a new structure of polyurethane (PU) with methylene diphenyl diisocyanate (MDI) and 1,4-butanediol as chain extender. PU nanocomposites containing variable amount (0.3, 0.5, 1, and 3 wt %) of amino-grafted multiwalled carbon...

Company name: Iran Polymer and Petrochemical Institute
Published On: Monday November 07th, 2016

 
CHEMISTRY
Synthesis of High-Molecular-Weight Multifunctional Glycerol Polyhydroxyurethanes PHUs

Glycerol carbonate acrylate is a 5-membered cyclic carbonate synthesized from glycerol that is used as a chemical coupling agent and has proven highly suitable for use in the synthesis of multifunctional polyhydroxyurethanes (PHUs). The multifunctionality of the structure of PHUs is determined by the density of the carbon-amine groups generated by...

Company name: Universite de Toulouse
Published On: Monday November 07th, 2016

 
Polythiourethane networks catalyzed by photobase generators

In this paper, the photoinitiated polymerization of thiols with isocyanate is studied by real-time FTIR. Different structures of photobase generators (PBG) based on quaternary ammonium salts of phenylglyoxylic acid were used as catalysts, releasing either weak or strong bases. A fast reaction leading to high conversion was possible only when...

Company name: University of Haute-Alsace
Published On: Wednesday November 02nd, 2016

 
SHAPE MEMMORY MATERIALS
The Effect of 4-Octyldecyloxybenzoic Acid on Liquid-Crystalline Polyurethane Composites with...

To better understand shape memory materials and self-healing materials, a new series of liquid-crystalline shape memory polyurethane (LC-SMPU) composites, named SMPU-OOBAm, were successfully prepared by incorporating 4-octyldecyloxybenzoic acid (OOBA) into the PEG-based SMPU. The effect of OOBA on the structure, morphology, and properties of the...

Company name: Shenzhen University
Published On: Monday November 07th, 2016

 
 

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