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  Issue-362 - May 27, 2013   Recommend
Press Releases Patents Technical Papers
LATEST TRENDS >> PRESS RELEASES
PU RAW MATERIALS>> POLYOLS
Kuraray Selects SpecialChem's Commercial Acceleration Program to Support Growth of MPD based Polyols

Kuraray offers a variety of MPD-based polyols with various molecular weights which includes polyester polyols (P-series) and polycarbonate polyols (C-series). Kuraray polyols provide significant advantages such as luxurious feel, softness, good solubility to solvents, better miscibility with other polymers, high transparency, good adhesiveness, and...

Company name: Kuraray
Published On: Wednesday May 22nd, 2013

 
An Overview of the Global Market for Polyester Polyols

IAL Consultants has published the third edition of its report on the markets for aromatic and aliphatic polyester polyols. This new study updates the information included in the previous study published in 2007. Data in this report has been revised through a programme of interviews throughout the industry during the last quarter of 2012 and the...

Company name: IAL Consultants
Published On: Wednesday May 22nd, 2013

 
CASE
Huntsman Launches New Website for Adhesives, Coatings and Elastomers Business

Huntsman Corporation announced the launch of a redesigned website to better serve customers and stakeholders of its global Adhesives, Coatings and Elastomers (ACE) business.The new website includes an extensive media resource library with data sheets and content broken out by market segment and market region. The site also features a product...

Company name: Huntsman Polyurethanes
Published On: Friday May 24th, 2013

 
CASE>> COATINGS
PPG Begins Producing Protective and Marine Coatings At Poland Facility

PPG Industries today announced it has started manufacturing protective and marine coatings (PMC) at the company’s facility in Ostrów Wielkopolski, Poland. The facility, which previously produced architectural coatings and was part of PPG’s January 2012 acquisition of Dyrup A/S, now produces PMC products for the construction, petrochemical,...

Company name: PPG Industries
Published On: Thursday May 23rd, 2013

 
CASE>> COATINGS>> POLYUREA
Polyurea Products: How to Choose the Best System For Any Application

On 30 May 2013 at 2:00 PM Eastern Time, Dudley J. Primeaux II, PCS, CCI will host VersaFlex Incorporated's first ever Polyurea Products webinar. Registration is free - space is limited to the first 100 people that register.Dudley Primeaux is VersaFlex's Director of Education and Development and Lead Instructor for the Polyurea University. He is...

Company name: VersaFlex
Published On: Wednesday May 22nd, 2013

 
CASE>> ADHESIVES
Ashland showcases flexible packaging adhesives solutions for food safety at ChinaPlas 2013

When walking down the aisle of any grocery stores, consumers are greeted by with a variety of packaged food. Whether the food is frozen or requires heat, proper packaging is vital to great tasting, healthy food. Today, food packaging has become a strategic decision for food manufacturers.At the upcoming ChinaPlas in Guangzhou, China, Asia's leading...

Company name: Ashland Performance Materials
Published On: Wednesday May 22nd, 2013

 
CASE>> ADHESIVES>> BINDERS
Muscle Bound Bindery Installs Second Nordson PUR Gluing System

Muscle Bound Bindery, a full-service provider of hardcover and softcover book binding solutions, announces that it has installed a new Nordson EP48 PUR gluing system. The new Nordson system - the second one installed at Muscle Bound - will be used for PUR Otabind layflat adhesive binding on one of Muscle Bound’s four adhesive binding lines. With...

Company name: Muscle Bound Bindery
Published On: Wednesday May 22nd, 2013

 
CASE>> ELASTOMERS>> TPU
PLA/TPU blends studied as shape memory polymers

Researchers in China and Wisconsin have collaborated on research showing that a compound of commonly used medical plastics can be injection molded into shape memory polymers.The new blends have the advantage of better shaping ability.Previously developed shape memory polymers blends could not be formed via bending, folding, compression or...

Company name: University of Wisconsin-Madison
Published On: Thursday May 23rd, 2013

 
PROCESSING EQUIPMENTS - PRODUCTION
No experiments when it comes to test runs - LABFOAM systems technology for trials and laboratory...

Thanks to its intensive research and development work, Hennecke GmbH has become a leading supplier of PU processing technology. This especially applies to machines and systems for manufacturing high-quality slabstock foams. To help producers and raw material suppliers develop innovative formulations and carry out production-geared trials with top...

Company name: Hennecke GmbH
Published On: Monday May 27th, 2013

 
FINISHED PRODUCTS>> AUTOMOTIVE>> SEATS
GREENUP project are now working on substituting polyurethane foam with a 3D fabric

New 3D textiles made of recyclable polyester fibres could contribute help cars be easier to recycle. But recycling technology has yet to progress in separating seat material from other car components.Vehicles seats are normally made of polyurethane foam, a thick material that is expensive to recycle and ends up in dumping sites or being...

Company name: GREENUP
Published On: Friday May 24th, 2013

 
FINISHED PRODUCTS>> PACKAGING
FoamPartner: Convincing packaging solutions

Need foam packaging? FoamPartner will develop a customised solution to suit your needs.We’ll manufacture your required packaging from polyethylene and polyurethane foams, using water jets, routers and other processing technology to create the exact shape you require. Whether you need foam that is soft or dense, fine or coarse-pore, lightweight or...

Company name: FoamPartner
Published On: Wednesday May 22nd, 2013

 
FINISHED PRODUCTS>> INDUSTRIAL>> CASTER & WHEELS
Revvo Introduces New Twin-Wheel Caster with Bolt-On Directional Lock

The Revvo Caster Company, Inc., West Seneca, New York announces the introduction of its new 2H Series twin-wheel casters featuring a secure bolt-on, four-station directional lock that converts swivel casters into fixed casters for straight-line travel. Designed for power towing up to 10 mph and other industrial applications, 2H Series casters...

Company name: The Revvo Caster Co., Inc
Published On: Tuesday May 21st, 2013

 
FINISHED PRODUCTS>> INDUSTRIAL>> CONVEYORS
Bunting Introduces New High-Intensity Separation Conveyor Line

Bunting® Magnetics Co. producer of precision magnetic products for the worldwide recycling, food, printing, automobile, plastics, and electronics industries—has introduced a new line of high-intensity separation conveyors. The first public showing of the product line will be in Booth 4667 at WasteExpo 2013 in New Orleans, May 21-23.Bunting Product...

Company name: Bunting Magnetics
Published On: Tuesday May 21st, 2013

 
PEOPLE
JPS Industries, Inc. Names John Ehmann President Stevens Urethane Division

JPS Industries, Inc. announced that John Ehmann has been promoted to President of the Stevens Urethane Division, effective May 1, 2013. He will be headquartered at the Stevens Urethane plant located in Easthampton, Massachusetts. Mr. Ehmann succeeds Chuck Tutterow who also serves as the Executive Vice President, Chief Financial Officer and...

Company name: JPS Industries, Inc
Published On: Thursday May 23rd, 2013

 
Bayer appoints Christine Bryant head of commercial operations for Coatings, Adhesives & Specialties...

Christine Bryant has been appointed head, Commercial Operations, for Bayer MaterialScience LLC's Coatings, Adhesives & Specialties (CAS) business unit for the NAFTA region. In her new role, Bryant joins the CAS global leadership team with responsibility for sales, marketing and product management. She is also a member of Bayer's North American...

Company name: Bayer MaterialScience LLC
Published On: Wednesday May 22nd, 2013

 
INDUSTRY UPDATE
Novel PUR foaming manufacturing process with reduced toxic isocyanate content Project launched in...

The aim of FREEFOAM is to reduce health risk of workers during foam manufacturing by lowering the concentration of free isocyanate and reducing the emission of the same to the atmosphere. We propose a unique, homogeneous reactive mixture for PUR foaming purposes where reactants are physically separated by using functionalised microcapsules of...

Company name: Inspiralia
Published On: Wednesday May 22nd, 2013

 
BorsodChem aims for profit this year

Hungarian chemicals company BorsodChem could turn a profit this year, in spite of the lack of a turnaround on the market, chairman-CEO Jiansheng Ding said in Friday's issue of business daily Napi Gazdaság. Last year, revenue rose from 2011, Ding said. Production volume also rose, he added. Data on BorsodChem's 2012 business year has not yet been...

Company name: Wanhua-BorsodChem
Published On: Wednesday May 22nd, 2013

 
Moldmakers and machinery makers: A beneficial alliance

As far back as I can remember since I’ve been in this industry (which is now 30 years), the SPI moldmakers and machinery makers have met together each spring. Many times the meeting was here in Phoenix, which made it convenient for me to attend after I’d begun writing about tooling and molding rather than selling it. It always made sense to me...

Company name:
Published On: Wednesday May 22nd, 2013

 
Relaunch of RAMPF-GRUPPE.de website

The RAMPF Group has completely revised its website to ensure a more structured and transparent online presence. The leading development partner and system supplier for customized solutions in reactive casting resins, processing technologies, and machine systems has introduced a new navigation logic that improves the networking between the...

Company name: RAMPF-Gruppe
Published On: Wednesday May 22nd, 2013

 
COIM opens new R&D center in Asia

COIM Asia Pacific Ltd, a fully controlled subsidiary of COIM Group, global polyurethane chemicals manufacturer, has announced the opening of a new state of the art R&D facility located in its industrial site of Jurong Island - Singapore on May 16, 2013 in occasion of the Group’s Board of Directors visit. COIM continues to see robust growth for its...

Company name: The Coim Group
Published On: Wednesday May 22nd, 2013

 
H.B. Fuller Company Agrees to Acquire Plexbond Quimica

H.B. Fuller Company announced today that it has signed an agreement to purchase adhesives company Plexbond Quimica, S/A, a provider of chemical polyurethane specialties and polyester resins. This business generated nearly $20 million in revenue for the 2012 fiscal year and operates a manufacturing facility in Curitiba, Brazil.The Plexbond Quimica...

Company name: HB Fuller
Published On: Tuesday May 21st, 2013

 
GREEN CHEMISTRY
Biobased Route Draws BASF, Evonik

Two U.S. biobased chemical firms have struck separate production deals with stalwarts of the German chemical industry. Analysts say the new agreements show that established chemical makers have gained confidence in designer microbes that convert sugar into chemicals.BASF plans to construct a facility to make sugar-based 1,4-butanediol (BDO) using...

Company name: BASF
Published On: Tuesday May 21st, 2013

 
Green Matter: Changing of the guard at European Bioplastics

On 16 May 2013, during the first Members' Meeting in 2013, the General Assembly of European Bioplastics elected a new Board to represent the association and its members for the coming two years. François de Bie (Purac) was elected as Chairman. Mariagiovanna Vetere (NatureWorks) and Stefano Facco (Novamont) are Vice-Chairpersons. PlasticsToday...

Company name:
Published On: Wednesday May 22nd, 2013

 
 
LATEST TRENDS >> PATENTS
PU RAW MATERIALS>> CATALYSTS
Stabilized carbanions as trimerization catalysts

The present invention provides trimerization catalyst compositions having at least one carbanion compound and methods to produce a polyisocyanurate/polyurethane foam using such trimerization catalyst compositions.

Company name: Air Products and Chemicals, Inc
Published On: Friday May 24th, 2013

 
PU RAW MATERIALS>> CURING AGENTS - CROSSLINKERS
Dialdimine, emulsion containing dialdimine, and bicomponent polyurethane composition, and the use...

Dialdimines of formula (I) and emulsions and uses thereof. In particular, they can be used for the preparation of pasty curing agent or accelerator components for polymers having isocyanate groups, which lead to very high early strength, which have good flow behaviour on pumping and which can be formulated without VOC solvents, in particular...

Company name: Sika Technology AG
Published On: Monday May 27th, 2013

 
PU RAW MATERIALS>> POLYOLS>> GREEN BASED POLYOLS
Polyurethane polymers comprising copolyester polyols having repeat units derived from biobased...

The present invention relates to polyurethane polymers comprising as part of its polymer backbone biobased .omega.-hydroxyfatty acids or derivatives thereof, processes for the preparation thereof, and compositions thereof having improved properties. The polyurethanes of the present invention are prepared from copolyester prepolymers comprising the...

Company name: SyntheZyme
Published On: Monday May 27th, 2013

 
PU RAW MATERIALS>> ISOCYANATES
Process for preparing polyisocyanates

The present invention relates to a process for preparing polyisocyanates by oligomerization of isocyanates.

Company name: BASF SE
Published On: Friday May 24th, 2013

 
Process for the preparation of polyisocyanates with a biuret structure

The present invention relates to an improved process for the preparation of polyisocyanates with a biuret structure by continuous reaction of excess amounts of organic diisocyanates having exclusively aliphatically and/or cycloaliphatically bonded isocyanate groups with organic diamines having exclusively aliphatically and/or cycloaliphatically...

Company name: Bayer MaterialScience AG
Published On: Friday May 24th, 2013

 
Method for producing isocyanates in the gas phase

The invention relates to a process for the preparation of isocyanates by reaction of the corresponding amines with phosgene in the gas phase, wherein a diluent containing between 90.0000% by weight and 99.9999% by weight of substances which are inert in the phosgenation process and between 0.0001% by weight and 10.0000% by weight of oxygen is...

Company name: Bayer Intellectual Property
Published On: Monday May 27th, 2013

 
PU RAW MATERIALS>> RESIN COMPOSITION
Aqueous polyurethane resin

An aqueous polyurethane resin having a Si atom content of 0.05 to 1.5% by weight in a polyurethane resin is produced by at least reacting an isocyanate group-terminated prepolymer which contains 1 to 15% by weight of a polyoxyethylene group in a side chain branched from the main chain and has two or more isocyanate groups at an end of the main...

Company name: Mitsui Chemicals
Published On: Friday May 24th, 2013

 
SYSTEMS>> COATINGS>> WATER-BORNE COATINGS
Aqueous coating composition comprising polyurethanes and vinyl polymers

An aqueous coating composition comprising (i) a polyurethane obtained by the reaction of (a) an isocyanate-terminated pre-polymer obtained from the reaction of components comprising at least one polyisocyanate of which at least 50 wt % is at least one aliphatic polyisocyanate; in an NCO/OH ratio in the range of from 1.75 to 1.05; and (b) an...

Company name: DSM
Published On: Monday May 27th, 2013

 
Method for making waterborne polyurethane with a reactive functional group and a nanocomposite made...

Disclosed is a method for making waterborne polyurethane with a reactive functional group. The method includes the step of introducing a short-chain diol monomer with a reactive functional group into waterborne polyurethane polymer by pre-polymerization to provide a polyurethane pre-polymer with the reactive functional group connected to a side...

Company name: Chung-Shan Institute of Science and Technology
Published On: Monday May 27th, 2013

 
SYSTEMS>> BIOMATERIALS
Emulsion or redispersible polymer powder of a polymer comprising a biomonomer, a process to prepare...

The present invention relates to process to prepare a polymer by an aqueous emulsion or suspension polymerisation process wherein a monomer mixture is polymerised in the presence of a free radical initiator and a stabiliser, to the emulsion and redispersible polymer powder obtainable therewith, and to the use of this emulsion and powder in a...

Company name: Akzo Nobel
Published On: Monday May 27th, 2013

 
SYSTEMS>> BIOMATERIALS>> BIODEGRADABLE POLYMERS
Biodegradable polyurethane plastic using phosphorus pentoxide

A biodegradable polyurethane plastic is provided. The biodegradable polyurethane plastic includes biodegradable polyurethane impregnated with a phosphorus-containing additive, wherein the additive includes phosphorus pentoxide (P2O5), and the additive is coated with natural oil. The biodegradable polyurethane plastic has excellent physical...

Company name: Dongah Chemical
Published On: Friday May 24th, 2013

 
Bis-(.alpha.-amino)-diol-diester-containing poly (ester amide) and poly (ester urethane)...

The present invention provides biodegradable, biocompatible bis-(.alpha.-amino acyl)-diol-diester-containing poly(ester amide) (PEA) and poly(ester urethane) (PEUR) co-polymer compositions with mechanical properties that can be readily tailored by selection of various combinations and proportions of the building blocks of the co-polymers. The...

Company name: Medivas
Published On: Friday May 24th, 2013

 
FOAMS
Method for producing flat, hydrophilic, aliphatic polyurethane foams

The invention relates to a method for producing flat, hydrophilic, aliphatic polyurethane foams. The invention also relates to a flat, hydrophilic, aliphatic polyurethane foam obtained according to said method and to the use thereof as a wound dressing, incontinence product or cosmetic article. According to the invention, a prepolymer-component and...

Company name:
Published On: Monday May 27th, 2013

 
Method for producing hydrophilic, aliphatic polyurethane foams having a low bulk density

The invention relates to a method for producing hydrophilic, aliphatic polyurethane foams having a low bulk density. The invention also relates to a hydrophilic, aliphatic polyurethane foam which can be obtained according to said method and to the use thereof as a wound dressing, incontinence product or as a cosmetic article.

Company name:
Published On: Monday May 27th, 2013

 
FOAMS>> CELLULAR MATERIALS
Cellular elastomer compositions

The present invention provides a process to preparing a polyurethane or polyurethane/urea closed cell foam. This foam, when compared to neoprene foam, exhibits a low water absorption and an additional quality of chlorine content of not greater than 0.5% based on the total weight of the closed cell foam.

Company name: Rubberlite Inc
Published On: Friday May 24th, 2013

 
CASE>> COATINGS>> VARNISH
Scratch- and weather-resistant varnish curable by means of actinic radiation or curable by heat and...

A coating composition curable with actinic radiation, or thermally and with actinic radiation, comprising (A) at least one unsaturated urethane (meth)acrylate and (B) at least one unsaturated melamine (meth)acrylate, wherein the ratio of the weight fractions of components (A) and (B) is between (A):(B)=1:1 and (A):(B)=1:5.

Company name: BASF Coatings AG
Published On: Friday May 24th, 2013

 
CASE>> ELASTOMERS>> FILMS
Water-sensitive film containing thermoplastic polyurethanes

A film that contains a thermoplastic polyurethane and water-soluble polymer is provided. The film is both elastic and water-sensitive (e.g., water-soluble, water-dispersible, etc.) in that it loses its integrity over time in the presence of water. The dual attributes of elasticity and water-sensitivity may be achieved by reducing the tendency of...

Company name: Kimberly-Clark Worldwide
Published On: Friday May 24th, 2013

 
CASE>> COMPOSITES
Composite material for ballistic protection and relative method of preparation

The present invention regards a composite material for ballistic protection comprising a ballistic fabric substrate having at least one surface provided with a polymer coating obtainable through foaming and subsequent polymerisation of a mixture comprising an acrylic resin and a polyurethane resin. The present invention further regards the method...

Company name: Pro-Systems
Published On: Monday May 27th, 2013

 
FINISHED PRODUCTS>> SPORTS>> GOLF
Golf ball with a non-ionomeric inner cover, stiff tpu intermediate cover, and cast thermoset outer...

A golf ball including a core and a cover disposed about the core. The cover includes a thermoplastic inner cover layer having a hardness between 55 and 60 Shore D; an outer cover layer having a hardness between 55 and 60 Shore D; and a stiff intermediate cover layer disposed between the inner and outer cover layers and having a hardness greater...

Company name: Acushnet Company
Published On: Monday May 27th, 2013

 
Multi-piece golf ball comprising low hardness gradient core

A golf ball includes a single core formed from a substantially homogenous rubber composition, an inner cover disposed about the core, and an outer cover. The inner cover includes an ionomeric material and has a hardness of about 60 Shore D or greater. The outer cover layer is disposed about the inner cover layer, is formed from a castable polyurea...

Company name: Acushnet Company
Published On: Monday May 27th, 2013

 
FINISHED PRODUCTS>> OPTICAL MATERIALS>> LENS
Photochromic polyurethane laminate

A photochromic polyurethane laminate that is constructed to solve certain manufacturing difficulties involved in the production of plastic photochromic lenses is disclosed. The photochromic laminate includes at least two layers of a resinous material and a photochromic polyurethane layer that is interspersed between the two resinous layers and...

Company name:
Published On: Monday May 27th, 2013

 
Polishing tool for plastic lens, polishing method of plastic lens and method for manufacturing...

To provide a polishing tool for a plastic lens, a method of polishing a plastic lens and a method of manufacturing a plastic lens, capable of suppressing a deterioration of a polishing efficiency while reducing a cost required for treating a polishing waste liquid generated during polishing applied to the plastic lens, wherein the polishing tool is...

Company name: Hoya
Published On: Monday May 27th, 2013

 
FINISHED PRODUCTS>> INDUSTRIAL
Elevator rope

An elevator rope of the present invention includes: a rope main body; and a covering resin layer that covers the periphery of the rope main body, the covering resin layer obtained by cross-linking a molded product of a composition comprising a thermoplastic polyurethane elastomer and a vinyl compound having two or more vinyl groups per molecule or...

Company name: Mitsubishi Electric
Published On: Monday May 27th, 2013

 
FINISHED PRODUCTS>> INDUSTRIAL>> PADS
Polyurethane composition for CMP pads and method of manufacturing same

Polyurethane composition based on a certain polyether and polyester prepolymer reaction mixture, wherein the composition is utilized in manufacturing chemical mechanical polishing/planarizing (CMP) pads. The CMP pads have low rebound and can dissipate irregular energy as well as stabilize polishing to yield improved uniformity and less dishing of...

Company name:
Published On: Monday May 27th, 2013

 
CHEMISTRY
Unsaturated dicarboxylic acids from unsaturated cyclic hydrocarbons and acrylic acid by way of...

The invention relates to a method for producing .alpha.,.beta.-unsaturated dicarboxylic acids and the corresponding saturated dicarboxylic acids, whereby the corresponding cycloalkene and acrylic acid are reacted with a ruthenium catalyst by way of a metathesis reaction at high substrate concentrations until the reaction takes place in substance,...

Company name: Evonik Degussa GmbH
Published On: Friday May 24th, 2013

 
FIBERS
Processing agent for polyurethane elastomer fibers

A processing agent for polyurethane elastomer fibers contains a specified type of dispersion medium having a mineral oil as its essential component in an amount of 80-99.99 mass % and a dispersoid of a specified type made of urethane compound in an amount of 0.01-20 mass % for a total of 100 mass %, having its average particle diameter adjusted to...

Company name: Takemoto Yushi Kabushiki Kaisha
Published On: Friday May 24th, 2013

 
 
LATEST TRENDS >> PAPERS
PU RAW MATERIALS>> POLYOLS>> GREEN BASED POLYOLS
From Petrochemical Polyurethanes to Biobased Polyhydroxyurethanes

From a green and sustainable chemistry standpoint, the current challenge in the polyurethane’s industry is to switch from petrobased polyurethanes (PUs) to biobased polyhydroxyurethanes (PHUs). This review describes the main alternative strategies being developed with a focus on PHUs from vegetable oils and derivatives. The substitution of...

Company name: ENSIACET, University of Toulouse
Published On: Monday May 27th, 2013

 
FOAMS>> RIGID
Modeling reaction kinetics of rigid polyurethane foaming process

A theoretical model was developed to simulate the polyurethane foaming process for a rigid foam. In the model, multiple ordinary differential equations were solved by MATLAB and the model was able to predict temperature profiles by inputting foam recipe information. This initial study on foam modeling focusses on reaction kinetic parameters that...

Company name: University of Missouri-Columbia
Published On: Monday May 27th, 2013

 
CHEMISTRY
Synthesis, Structure, and Properties of Alternating and Random Poly(styrene-b-butadiene) Multiblock...

We report a synthetic method for the preparation of well-defined poly(styrene-b-butadiene) (PS-PB)n multiblock copolymers using a combination of living anionic polymerization and urethane based polycondensation along with an assessment of the associated microphase morphology and thermal and mechanical properties. The prepolymers,...

Company name: University of Minnesota
Published On: Monday May 27th, 2013

 
Molecular Dynamics of Segmented Polyurethane Copolymers: Influence of Soft Segment Composition

Dielectric relaxation spectroscopy was used to investigate the molecular dynamics of model segmented polyurethane copolymers having identical hard segments and hard segment weight fractions, but with four different soft segment chemistries of particular interest in biomedical devices. All soft segments have molecular weight 1000 g/mol and are...

Company name: U.S. Naval Research Laboratory
Published On: Monday May 27th, 2013

 
Access to nonisocyanate poly(thio)urethanes: A comparative study

This article describes the synthesis of new cyclic compounds able to react with amines to get nonisocyanate polyurethanes (NIPUs). The contribution of the most studied five-membered cyclic carbonate was compared to five-membered cyclic dithiocarbonate analogous and to a six-membered cyclic carbonate. Difunctional reactive species were obtained by a...

Company name: Institut Charles Gerhardt Montpellier
Published On: Monday May 27th, 2013

 
AEROGELS
Reinforcement of Silica Aerogels Using Silane-End-Capped Polyurethanes

Proper selection of silane precursors and polymer reinforcements yields more durable and stronger silica aerogels. This paper focuses on the use of silane-end-capped urethane prepolymer and chain-extended polyurethane for reinforcement of silica aerogels. The silane end groups were expected to participate in silica network formation and uniquely...

Company name: The University of Akron
Published On: Monday May 27th, 2013

 
SHAPE MEMORY MATERIALS
Recovery performance and characteristics in shape memory effects of aliphatic polyether urethane

The analysis on the recovery performance and characteristics in shape memory effects is helpful for the optimal design and engineering applications of shape memory polymers and their composites. To investigate the relationships among recovery performance, material parameters, and loading conditions, by taking aliphatic polyether urethane as an...

Company name: Shandong University
Published On: Monday May 27th, 2013

 
 

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