search






 
    PU2PU
  Issue-663 - June 26, 2017   Recommend
Press Releases Patents Technical Papers
LATEST TRENDS >> PRESS RELEASES
PU RAW MATERIALS
NatureWorks Forms New Division to Supply Bio-based Chemical Intermediates

NatureWorks has formed a Performance Chemicals Division to supply lactides, polyols, binder resins, and chemical intermediates to companies that manufacture innovative C.A.S.E. (coatings, adhesives, sealants, and elastomers), toners, and fine chemicals.Renewably Sourced Chemical IntermediatesThe NatureWorks Performance Chemicals Division delivers...

Company name: NatureWorks
Published On: Wednesday June 21st, 2017

 
PU RAW MATERIALS>> ADDITIVES
Concentrol participates in PSE Europe

Munich is ready to host, for the first time, the PSE Europe exhibition (Polyurethane Solutions Expo). It will be held between the 27th and 29th of June and gather the main manufacturers in the polyurethane industry, who will present their innovative PU solutions. This event starts with the expectation of an increase of the global demand of...

Company name: Productos Concentrol
Published On: Monday June 26th, 2017

 
PU RAW MATERIALS>> ADDITIVES>> SOLVENTS
ReSolve - Launch of New Renewable Solvents EU Project

ReSolve, a Ä4.3 million EU project focused on replacing traditional, fossil-based solvents, officially launched today. Led by the University of York, the project consortium is comprised of 11 partners from 5 different countries, including Circa Group subsidiary company Circa Sustainable Chemicals UK Ltd.ReSolve, an abbreviation of 'Renewable...

Company name: Circa Group
Published On: Monday June 26th, 2017

 
PU RAW MATERIALS>> COLORANTS - COLOR PASTES
Point-of-sale tinting: Keys to setting up a system at an industrial coatings plant

Does it make sense to set up a point-of-sale (POS) tinting system in an industrial coatings plant? If the manufacturer only sells 10 colors in one or two bases, then probably not. If a company's palette features 20 or more colors, and three or more bases are tinted, the answer is maybe, depending on the costs involved in setting up the system...

Company name: Chromaflo Technologies
Published On: Wednesday June 21st, 2017

 
Explore a Brave New World of Polyurethane Applications at PSE Europe 2017

The trade show floor at PSE Europe 2017 opens on June 27, showcasing equipment and applications of polyurethane across all industries. This first edition of the Polyurethane Solutions Expo looks toward the future of polyurethane for entirely new fields, offering a top-quality alternative to other materials.At Millikenís booth (Hall 3, Stand 420),...

Company name: Milliken
Published On: Monday June 26th, 2017

 
CASE>> COATINGS
Durable Epoxy Coatings Provide Endless Design Possibilities

Fourteen years ago Jesse Barber launched his decorative concrete business by focusing primarily on overlays, countertops, micro-toppings and color staining. Within four years he began working with epoxy floor systems in order to deliver a more durable decorative finish for both residential and commercial customers."The staining/coloring and sealing...

Company name: Arizona Polymer Flooring
Published On: Friday June 23rd, 2017

 
CASE>> COATINGS>> FLOORING
Epoxy Vs. Polyurethane - Which Will You Choose?

We walk on them, we drop things on them, we work on them, so when it comes to future-proofing a food facility floor, it's important to choose materials specifically designed to tackle food industry challenges!Hardwearing resin systems, epoxy and polyurethane, are typically used for busy food plants that subject their floors to physical impacts,...

Company name: Flowcrete
Published On: Friday June 23rd, 2017

 
What experts think about the future of floor coatings

We all are walking on floors every day. But rarely do we think about it and what coatings are doing to make them better. We spoke with experts about the future of floor coatings.Coating concrete floors has been done for a long time and it is done all over the world on a daily basis. On the one hand, there is a lot of experience out there on the...

Company name: European-coatings.com
Published On: Friday June 23rd, 2017

 
Polyflor's Expona flooring flows through new gym

High performance commercial sheet vinyl flooring Expona Flow PUR was recently installed in a new gym area at Shrewsbury Sports Village in Shropshire. Peterborough based Escape Fitness designed the sports centre's new gym and also installed the 220m≤ of Expona Flow PUR flooring throughout the space for Shropshire Community Leisure Trust Ltd. This...

Company name: Polyflor
Published On: Thursday June 22nd, 2017

 
CASE>> COATINGS>> SPRAY FOAMS
SPFA releases statement speaking out against recent California DTSC decision

On 19 June the Spray Polyurethane Foam Alliance (SPFA) released a statement opposing the recent proposal by the California Department of Toxic Substances Control (DTSC) to designate spray polyurethane foam products containing unreacted methylene diphenyl diisocyanates (MDI) as a listed Priority Product under the department's controversial Safer...

Company name: Spray Polyurethane Foam Alliance
Published On: Wednesday June 21st, 2017

 
CASE>> COATINGS>> PAINTS
Preparing for Chance: The Coatings Industry's Path to Innovation That Wins

"Chance favors the prepared mind." Louis Pasteur used this phrase to describe the fact that many of the world's human-made marvels are made possible through a combination of intellectual curiosity and timing, not by pure chance alone. Take the telegraph, for example. We may associate Samuel Morse with its invention, but the telegraph's development...

Company name: The Dow Chemical Company
Published On: Friday June 23rd, 2017

 
CASE>> COATINGS>> WATER-BORNE
Axalta's Cromax Pro Waterborne Coatings Support Tianjin's Sustainable Auto Repair Program

Axalta Coating Systems, a leading global supplier of liquid and powder coatings, recently announced collaboration with the Tianjin Vehicle Maintenance Administrative Office to offer advanced, technical education on waterborne coating technology to more than 60 Tianjin automotive service companies. Technicians received training on the benefits of...

Company name: Axalta Coating Systems
Published On: Friday June 23rd, 2017

 
CASE>> ADHESIVES
Sika Adhesives Now Available Through Amazon

Sika announced that it is offering a selection of some of its most popular Sikaflex and Sikasil adhesives and sealants on Amazon.com.According to a press release, the adhesives and sealants have a wide range of uses for marine, RV and household applications. Offerings available on Amazon include:■ Sikaflex-221 is a one-component,...

Company name: Sika Technology AG
Published On: Wednesday June 21st, 2017

 
CASE>> ELASTOMERS>> TPU FILMS
Forgery-proof film solutions for personal documents and ID cards

The SDW 2017 conference and exhibition at the QEII Centre in Westminster, London, from June 26 to 28 focuses on anti-forgery protection for identity documents. Covestro is developing solutions with films that improve security and enable efficient production of cards. The company is presenting new and sophisticated products for ID cards at Stand...

Company name: Covestro
Published On: Friday June 23rd, 2017

 
FINISHED PRODUCTS>> DECORATING AND PROTO.
Coffered ceilings made of durable polyurethane

The often overlooked "fifth wall" in a room can be a showstopper - when a coffered ceiling is added. Tilton Coffered Ceilings offers hundreds of impressive Box Beam and Shallow Beam ceiling treatment design options to create the "wow factor" for any room."Coffered ceilings are a strong, beautiful and versatile design element in a home," says Jason...

Company name: Tilton Coffered Ceilings
Published On: Friday June 23rd, 2017

 
FINISHED PRODUCTS>> INDUSTRIAL>> BELT
New Production Hall: ContiTech Invests in Dannenberg

A healthy order situation for heavy-duty timing belts and additional demand for the elevator industry are helping ContiTech to continue to grow. This is particularly noticeable at the Dannenberg location, where the opening ceremony for a new production hall was held in mid-June. In the future, polyurethane belts for elevators will be manufactured...

Company name: ContiTech
Published On: Wednesday June 21st, 2017

 
BRECOflex Launches 3D Model Configurator

BRECOflex CO., L.L.C. is pleased to announce the launch of its free custom 3D model part configurator. The purpose of this online software is to allow users to design drawings of custom belts and pulleys that they can either submit for quote or download to their own computer for further modification. This specialty configurator joins their...

Company name: BRECOflex
Published On: Friday June 23rd, 2017

 
INDUSTRY UPDATE
Polytek Development Corp. and California Medical Innovations Merge to Offer Broader Portfolio of...

Polytek Development Corp., a manufacturer of specialty polymers including polyurethane elastomers and casting resins, silicones, epoxies, and latex, and California Medical Innovations (CMI), a manufacturer of latex, plastisols (PVCs), and thermoplastic elastomers, have announced today a merger of the two companies. The merger was assisted by MPE...

Company name: Polytek Development
Published On: Friday June 23rd, 2017

 
Dow Chemical opens first PU service center in Romania

US group Dow Chemical has opened a polyurethane service center in Codlea, Brasov county in Central Romania, to serve clients from Romania, Bulgaria and the rest of the Balkan countries.The group is operating through its division Dow Poliuretan.The center will provide personalized technical services, including product demos, prototype development...

Company name: The Dow Chemical Company
Published On: Friday June 23rd, 2017

 
GREEN CHEMISTRY
Biosuccinium -based Polyurethanes for Sustainable Auto Products: Reverdia at PSE Europe

Reverdia will join leading polyurethanes (PU) manufacturers to display a range of biomaterials at PSE Europe 2017 in Munich, Germany. These innovative Biosuccinium -based polyurethanes have a significant share of bio-based content, reduced carbon footprint and will enable more sustainable products.Biobased PU as Front-runner with Winning...

Company name: Reverdia
Published On: Wednesday June 21st, 2017

 
PEOPLE
Dave Watt Joins General Plastics Manufacturing Company as Business Development and Sales Manager

High-performance rigid and flexible polyurethane foam manufacturer, General Plastics Manufacturing Company, is pleased to announce the appointment of Dave Watt as Business Development and Sales Manager.Dave Watt has extensive experience in the aerospace and defense market where he started his career as an aerospace structural engineer spanning 10...

Company name: General Plastics
Published On: Tuesday June 20th, 2017

 
KraussMaffei to appoint new head of machine technology division

Germany-based injection molding machine and automation maker KraussMaffei is appointing Dr. Stefan Kruppa as its new head of machine technology effective August 1.Kruppa will take over from KraussMaffei's current head of machine technology Dr. Reinhard Schiffers, who is leaving the company.Since 2010, Kruppa has been working as a development...

Company name: KraussMaffei
Published On: Wednesday June 21st, 2017

 
 
LATEST TRENDS >> PATENTS
PU RAW MATERIALS>> BLOWING AGENTS
Flexible, open-cell thermoset foams and blowing agents and methods for making same

Disclosed are methods and compositions for forming a flexible, open cell molded foams based on MDI-based isocyanate comprising at least one polymer polyol present in the composition in an amount of at least about 6 pphp; one or more components capable of forming a thermoset matrix; and a blowing agent comprising at least one chemical blowing agent,...

Company name: Honeywell
Published On: Friday June 23rd, 2017

 
PU RAW MATERIALS>> FILLERS>> MINERAL
Process for the preparation of crumbles comprising calcium carbonate

The present invention relates to crumbles comprising at least one calcium carbonate-containing material, a process for the preparation of the crumbles, an article comprising the crumbles as well as an use of the crumbles in paper making, paper coating, food, plastic, preferably films, more preferably blown films or breathable films, fibres,...

Company name: Omya International
Published On: Friday June 23rd, 2017

 
PU RAW MATERIALS>> POLYOLS
Polyisobutylenes and process for making same

The present invention generally relates to alcohol-terminated polyisobutylene (PIB) compounds, and to a process for making such compounds. In one embodiment, the present invention relates to primary alcohol-terminated polyisobutylene compounds, and to a process for making such compounds. In still another embodiment, the present invention relates to...

Company name: The University of Akron
Published On: Friday June 23rd, 2017

 
PU RAW MATERIALS>> ISOCYANATES
Water-emulsible isocyanates having improved gloss

The invention relates to a process for the preparation of water-emulsifiable isocyanates and to their use.

Company name: BASF SE
Published On: Friday June 23rd, 2017

 
PU RAW MATERIALS>> RESIN COMPOSITION
Free-flowing coated rubber particles, methods for their production and use

Disclosed are free-flowing particles. These free-flowing particles include: (a) a rubber particle, and (b) a coating deposited over at least a portion of the rubber particle, wherein the coating includes: (1) a polyurethane-urea resin that is a reaction product of a reaction mixture comprising: (i) a polyol having a number average molecular weight...

Company name: Covestro
Published On: Friday June 23rd, 2017

 
PU RAW MATERIALS>> RESIN COMPOSITION>> INKS COMPOSITION
Ink composition, method of producing ink composition, and image forming method

The invention provides: an ink composition, a method of producing the ink composition, and an image forming method using the ink composition. The ink composition includes: a urethane resin that includes an alicyclic structure at a content of from 6,000 mmol/kg to 12,000 mmol/kg; a water-soluble organic solvent; water; and a colorant.

Company name: Fujifilm
Published On: Friday June 23rd, 2017

 
PU RAW MATERIALS>> RESIN COMPOSITION>> DISPERSIONS
Aqueous cationic polyurethane dispersions

An aqueous cationic polyurethane dispersion for waterborne digital print and other applications comprising an aqueous dispersion of polyurethane having properly positioned tertiary amino groups, e.g., tethered tertiary amino group separated from backbone by at least two intervening atoms or terminal tertiary amino groups with multiple tertiary...

Company name: Lubrizol Advanced Materials, Inc
Published On: Friday June 23rd, 2017

 
Polyurethane-polyurea dispersions comprising hydrazine or hydrazide chain extenders

A method of making a silyl-terminated polyurethane in an aqueous dispersion aqueous silyl-terminated polyurethane dispersions are described. In one embodiment, the polyurethane comprises a) urethane moieties derived from the reaction of a (i) a diol; (ii) a neutralized anionic water solubilizing compound; and iii) a diisocyanate. The polyurethane...

Company name: 3M Innovative Properties Company
Published On: Friday June 23rd, 2017

 
FOAMS>> FLEXIBLE>> MOLDED
Polyurethane foams and method for producing same

The compositions described herein provide flexible polyurethane injection molded foam made from the reaction product of at least one polyol, at least one isocyanate, and at least one chain extender, where the polyurethane has: (a) a weight average molecular weight of 120,000 to 500,000, and (b) a dispersity (Mw/Mn) of 1.85 to 2.51. The compositions...

Company name: Lubrizol Advanced Materials, Inc
Published On: Friday June 23rd, 2017

 
FOAMS>> RIGID
Rigid polyurethane foam

A rigid polyurethane foam includes the reaction product of an isocyanate and an isocyanate reactive component in the presence of a blowing agent. The isocyanate reactive component includes an aromatic polyester polyol, a rigid polyol, and an aliphatic polyester polyol. The rigid polyurethane foam has a tensile adhesion of greater than 35 kPa (5...

Company name: BASF SE
Published On: Friday June 23rd, 2017

 
CASE>> COATINGS>> DISPERSIONS
Vehicle interior material and manufacturing method therefor

Provided is a vehicle interior material comprising coating layers formed on both surfaces of a veneer layer; a back layer on the coating layer of one surface of the veneer layer; and a front layer on the coating layer of the other surface of the veneer layer. Provided is a method of manufacturing a vehicle interior material comprising steps of:...

Company name: LG Hausys
Published On: Saturday June 24th, 2017

 
CASE>> COATINGS>> PHOTOSENSITIVE / RADIATION-CURABLE
Actinic radiation cured polyurethane coating for decorative surface coverings

The present invention is related to decorative surface coverings, in particular floor or wall coverings, exhibiting low volatile organic compounds (VOC) emission, comprising one or more adjacent plasticized polyvinyl chloride layers and a polyurethane top-layer, said top-layer being obtained from radiation curing a 100% solids polyurethane...

Company name: Tarkett
Published On: Friday June 23rd, 2017

 
CASE>> COATINGS>> PAINTS
Method for the spot repair of scratch-resistant paint films

A spot repair method of scratch-resistant paint film: (a) sanding a part to be repaired having a scratch-resistant clear paint film thereon, (b) sanding a part to be clear gradation painted outside the part to be repaired with an abrasive material, (c) painting the part to be repaired with a color base-paint, (d) applying a clear paint wet-on-wet...

Company name: BASF Corporation
Published On: Friday June 23rd, 2017

 
Two-component coating compositions and high erosion resistance coatings produced therefrom

The present invention relates to a two-component coating composition comprising (1) a paint base component comprising (A) at least one polycarbonate diol, (B) at least one polyaspartic ester, and (C) at least one filler modified with at least one organosilane, and (2) a hardener component comprising (D) at least one hexamethylene diisocyanate...

Company name: BASF Coatings AG
Published On: Saturday June 24th, 2017

 
CASE>> ADHESIVES>> HOT-MELT
Reactive hot-melt adhesive composition

A reactive hot-melt adhesive composition that is moisture curable contains: a urethane prepolymer having an isocyanate group, a (meth)acrylic resin, and an adhesion promoter containing at least an isocyanate group-containing (meth)acrylamide compound.

Company name: The Yokohama Rubber Co
Published On: Friday June 23rd, 2017

 
CASE>> ADHESIVES>> BINDERS
Joint finishing adhesive

Provided is an adhesive composition suitable for fortifying panel joints in construction, the adhesive composition comprising a polymeric binder, filler and thickener, wherein the binder is selected from acrylic acid polymers, acrylic acid copolymers, alkyds, polyurethanes, polyesters, epoxies, and combinations thereof and wherein the viscosity of...

Company name: United States Gypsum Company
Published On: Friday June 23rd, 2017

 
CASE>> ADHESIVES>> GLASS BONDING
Accelerate cure of moisture curable polyurethane adhesive compositions useful for bonding glass

The adhesive system of the invention is especially useful in bonding replacement windows into vehicles. They allow for sufficient working time while still realizing a fast drive away time. The adhesive system is comprised of a moisture curable adhesive and a cure accelerator that may be applied using a simple single caulk gun and may be applied at...

Company name: Dow Global Technologies
Published On: Friday June 23rd, 2017

 
CASE>> ADHESIVES>> STRUCTURAL ADHESIVE
Structural polyurethane adhesive

A two-component polyurethane adhesive is described. The polyurethane adhesive has high strength and extensibility, wherein the mechanical properties are only slightly dependent on the temperature. The polyurethane adhesive is suitable as a structural adhesive that is decomposed by heating in such a way that adhesive bonds can be undone in a...

Company name: Sika Technology AG
Published On: Friday June 23rd, 2017

 
CASE>> ELASTOMERS>> SHAPE MEMORY MATERIALS
Thermoplastic shape memory material

The present invention relates to a process for producing a shaped body (SB) comprising the preparation of a thermoplastic polyurethane, the production of a shaped body (SB*) from the thermoplastic polyurethane, the heating of the shaped body (SB*) to a temperature below the temperature of permanent deformability of the shaped body (SB*) and above...

Company name: BASF SE
Published On: Saturday June 24th, 2017

 
CASE>> COMPOSITES>> PULTRUSION
Pultruded beam, and apparatus and methods for manufacturing

The present bumper impact beam includes pultruding polymer (e.g. thermoset polymer, preferably polyurethane) into continuous reinforcement (preferably carbon fibers or glass fibers), the reinforcement including fabrics selectively positioned and extending around corners for improved impact strength. The beam preferably has a 50%-70% fiber volume...

Company name: Shape
Published On: Friday June 23rd, 2017

 
FINISHED PRODUCTS>> CONSTRUCTING>> CONCRETE LIFTING
Polyurethane foam for concrete applications

A two-part polyurethane foam for lifting concrete. The two parts are mixed at a 1:1 ratio where the first part is isocyanate ("Part A"), and second part ("Part B") is a polyol. The second part is comprised of recycled polyurethane foam and other polyols.

Company name:
Published On: Friday June 23rd, 2017

 
FINISHED PRODUCTS>> COATED FABRICS>> TEXTILES
Textile substrate with a continuous coating of a mixture of polyester polyurethane and polycarbonate...

A coated textile substrate containing a textile substrate having an inner side and an outer side and a continuous coating on at least the one side of the textile substrate. The continuous coating comprises a mixture of polyester polyurethane and polycarbonate polyurethane.

Company name: Milliken & Company
Published On: Saturday June 24th, 2017

 
FINISHED PRODUCTS>> PRINTING>> PRINTING ROLLERS
Roller coating

A method of preparing the surface of a roller comprising adding a coating comprising isocyanate to a ground surface of the roller. A roller comprising a ground surface, the ground surface having unreacted hydroxyl (--OH) groups on the surface of the roller and a layer of isocyanate layered over the unreacted hydroxyl (--OH) groups on the surface of...

Company name: Hewlett-Packard
Published On: Friday June 23rd, 2017

 
FINISHED PRODUCTS>> SPORTS>> GOLF
Golf ball and method of manufacture

In a golf ball having a core and a cover of one or more layer encasing the core, an outermost layer of the cover is molded of a thermoplastic material selected from the group consisting of polyurethane, polyurea and mixtures thereof, and the surface of the cover is treated with a polyisocyanate compound that is free of organic solvent. A method of...

Company name: Bridgestone Sports
Published On: Friday June 23rd, 2017

 
Golf ball

The invention provides a golf ball having a core and a cover of one or more layer encasing the core, wherein the cover has an outermost layer molded of a thermoplastic material selected from the group consisting of polyurethane, polyurea and mixtures thereof and, letting the absorbance peak heights near a wave number of 1512 cm.sup.-1 measured by...

Company name: Bridgestone Sports
Published On: Friday June 23rd, 2017

 
FINISHED PRODUCTS>> MEDICAL
Polyisobutylene-polyurethanes and medical devices containing the same

A polymeric material includes a polyisobutylene-polyurethane block copolymer and a tertiary amine catalyst. The polyisobutylene-polyurethane block copolymer includes soft segments including at least one polyisobutylene diol residue, and hard segments including at least one diisocyanate residue. The polymeric material is free of an organometallic...

Company name: Cardiac Pacemakers
Published On: Friday June 23rd, 2017

 
FINISHED PRODUCTS>> INDUSTRIAL>> HOSES & TUBING
Radio frequency weldable multilayer tubing and method of making the same

A RF weldable tubing is provided. The tubing has inner layer including a PVDF copolymer, or an ethylene alpha-olefin homopolymer, or an ethylene alpha-olefin polymer that may include a grafted polyethylene. The tubing may have an inter gas barrier layer sandwiched between the outer layer and an outermost layer including a TPU copolymer. The inter...

Company name: Meissner Filtration Products
Published On: Friday June 23rd, 2017

 
FINISHED PRODUCTS>> FOOTWEAR
Removable shoe insole

An insole liner for a shoe is disclosed. The liner consists of a wedge shaped member having opposite back and front ends, a top surface and a bottom surface. The liner has a polyurethane base layer, a middle layer made of silicone gel and a top layer made from memory foam. The wedge shaped member has a thickness which tapers from the back end...

Company name:
Published On: Friday June 23rd, 2017

 
FINISHED PRODUCTS>> FOOTWEAR>> SOLING
Low density foamed article made by bead foam compression molding method

Disclosed is a molded foamed article, such as a midsole or outsole for footwear, made by a method in which a desired amount of thermoplastic polyurethane foam beads are placed in a compression mold in the shape of the article and the mold is brought to a peak temperature of from about 130.degree. C. to about 180.degree. C. over a period of from...

Company name: Nike
Published On: Friday June 23rd, 2017

 
Thermoplastic polymer foaming sole and method for manufacturing thermoplastic polymer foaming sole

A method for manufacturing a thermoplastic polymer foaming sole includes the following steps. A prototype is formed. The prototype includes thermoplastic polyurethane or thermoplastic polyester elastomer but excludes a cross-linking agent and a foaming agent, and the prototype is sole-shaped. A supercritical fluid is used to foam the prototype so...

Company name: Pou Chen
Published On: Saturday June 24th, 2017

 
CHEMISTRY
Nitrogen-containing compounds suitable for use in the production of polyurethanes

The present invention relates to the use of nitrogenous compounds of formula (I) and/or corresponding quaternized and/or protonated compounds for production of polyurethanes, to compositions comprising said compounds and also to polyurethane systems, in particular polyurethane foams, obtained using said compounds.

Company name: Evonik Degussa GmbH
Published On: Friday June 23rd, 2017

 
 
LATEST TRENDS >> PAPERS
SYSTEMS>> BIOMATERIALS>> BIODEGRADABLE POLYMERS
In situ preparation and characterization of biocompatible acrylate-terminated polyurethane...

Biodegradable acrylate-terminated polyurethane/acrylate (APUA) filled with 2-hydroxyethyl methacrylate functionalized carbon nanotube (CNT-HEMA) was prepared by in situ free radical crosslinking. CNT-HEMA enhanced crystallinity of soft domain and caused more phase separation between hard and soft domains of APUA. Tensile testing showed a...

Company name: Sharif University of Technology
Published On: Friday June 23rd, 2017

 
SYSTEMS>> BIOMATERIALS>> ADHESIVES
Effects of polyisocyanate on properties and pot life of epoxy resin cross‐linked soybean...

In this study, polyisocyanate (pMDI) was introduced into epoxy resin modified soybean meal-based bioadhesive to address the issue of low dry bond strength. Specifically, we investigated the effects of adding pMDI in terms of amount and storage time on dry bond strength, water resistance, and pot life of adhesive. Factors examined included shear...

Company name: Beijing Forestry University
Published On: Saturday June 24th, 2017

 
CASE>> COATINGS>> POLYUREA
A bilinear constitutive response for polyureas as a function of temperature, strain rate and...

Polyurea is widely applied as a coating material to increase the survivability of structures under impact loading. In this study, a systematic experimental program about the stress-strain behaviors of two polyaspartic esters polyureas is conducted over the temperature range of 233 K-293 K and strain rate range of 0.001/s-15,000/s, including the...

Company name: Northwestern Polytechnical University
Published On: Saturday June 24th, 2017

 
FINISHED PRODUCTS>> MEDICAL>> WOUND DRESSING
In Vitro Evaluation of Betafoam, a New Polyurethane Foam Dressing

A new polyurethane foam dressing impregnated with 3% povidone-iodine (Betafoam; Genewell, Seoul, Korea) was recently developed based on the hypothesis that its physical properties, including improved moisture-retention capacity and antimicrobial activity, are at least as good as those achieved with the current foam dressings that contain silver,...

Company name: Korea University College of Medicine
Published On: Friday June 23rd, 2017

 
FINISHED PRODUCTS>> INDUSTRIAL>> VIBRATION- DAMPENING
Material Selection of an Elastomer Capable of Absorbing Vibrations Actuated by a 4D Movie Theater

The objective was to investigate possible vibration isolator solutions for a 4D entertainment theater. The paper focused on resolving a vibration leakage issue experienced by customers of Company A which manufactures tactile motion actuators for 4D theater entertainment purposes. The investigation started by utilizing Cambridge Engineering Selector...

Company name: Loyola Marymount University
Published On: Friday June 23rd, 2017

 
CHEMISTRY
Important Green Chemistry and Catalysis: Non‐phosgene Syntheses of Isocyanates - Thermal...

Currently, industrial production of isocyanates, or diisocyanates in particular, has been exclusively based on phosgene processes. Phosgene is extremely toxic and large amounts of corrosive HCl are produced as a side product. In the view of environment protection and society safety, development of non-phosgene processes for isocyanates production...

Company name: Lanzhou Institute of Chemical Physics
Published On: Saturday June 24th, 2017

 
Liquid-crystalline behavior of reactive main-chain polyurethanes

Novel main-chain liquid-crystal polyurethanes with tertiary amino groups were synthesized. Their thermal properties and orientational behavior were examined. These polyurethanes showed an enantiotropic nematic phase with a schlieren texture. Liquid-crystalline binary systems and a metal-complexed family were obtained from one of these...

Company name:
Published On: Friday June 23rd, 2017

 
 

Copyright © PU2PU 2013 | The Polyurethane Newsletter - Issue | Urethane Update - Issue | Contact us

You are subscribed to the PU Newsletter mailing list. Click to UNSUBSCRIBE your address. PU2PU comply with the CAN-SPAM Act of 2003. For more information, please read our PRIVACY POLICY. If you have any questions about subscription to this list, contact us at: subscriptions@pu2pu.com