hydroxyl-terminated polybutadiene resins

US6747097B2

Compositions comprising (A) non-branched polybutadiene having terminal hydroxyl functionality less than 2 per molecule by average and (B) branched polybutadiene having terminal hydroxyl functionality more than 2 per molecule by average the weight ratio of (A) to (B) being about 99:1 to 1:99 These compositions are reacted with organic polyisocyanates to form prepolymers which are cured by

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2K Polybutadiene Encapsulants and Adhesives Polyester

Poly bd 605 is an epoxidized hydroxyl terminated polybutadiene resin It brings hydrophobicity flexibility and water resistance to urethane applications In addition oxirane oxygen groups on the polymer backbone allow it to be used as the sole resin in epoxy formulations or in combination with bisphenol A or cycloaliphatic epoxy resin formulations where 600E resin improves the flexibility

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Synthesis and properties of epoxy resin modified with

Cured epoxy resins (ER) are extensively employed in several important applications such as structural adhesives The resulting epoxidized hydroxyl-terminated polybutadiene (E-HTPB) contained internal oxirane groups which increase the polarity of the rubber and consequently its compatibility with the ER However an effective adhesion between the phases is difficult to achieve because of

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hydroxyl

Hydroxyl terminated polybutadiene (HTPB) with a hydroxyl functionality equal to or greater than 2 2 and less than or equal to 2 4 (SBR) and polybutadiene rubber thermoplastic resins such as acrylonitrile-butadiene-styrene (ABS) and styrene-butadiene latex eur-lex ropa eur-lex ropa El uso principal del 1 3-butadieno es la fabricacin de cauchos sintticos como el caucho

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New Hydroxyl Terminated Polybutadiene Resins

Several new hydroxyl terminated polybutadiene (HTPB) resins have been developed These products range in viscosity (molecular weight) from 11 500 cps at 25C (Mn 3350) to 1000 cps properties is presented Poly bd R-45M resin a hydroxyl terminated homopolymer of 1 3-butadiene is a primary component in the binder for many solid propellant systems

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hydroxyl terminated polybutadiene

RCS Hydroxyl-terminated Polybutadiene (HTPB) resin has a functionality of 2 4 - 2 6 which results in a higher crosslink density than lower functionality HTPB with the better room temperature curatives (like our modified MDI isocyanate) without resorting to other ingredients that can adversely affect the cure chemistry Product Bulletin - Cray Valley Poly bd and Krasol resins are low

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High cis

A series of polyurethanes have been prepared from hydroxyl-terminated polybutadiene (HTPB) with high cis-1 4 content and commercial free-radical-polymerized HTPB (FHTPB) The mechanical properties of cured polyurethane (PU) samples have been studied by tensile testing and dynamic mechanical analysis (DMA) and their thermal properties have been tested by differential scanning calorimetry

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Elf Atochem North America Inc

Elf Atochem North America Inc Source: Arkema Inc ATOFINA Chemicals offers hydroxyl terminated polybutadiene resins which provide unique properties for your adhesive and sealant formulations Poly bd R-45HTLO resin contains predominantly primary terminal hydroxyl groups having high reactivity with diisocyanates in the formation of polyurethanes Poly bd R-20LM resin has similar hydroxyl

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Hydroxyl

Hydroxyl-terminated Polybutadiene Hydroxyl-terminated Polybutadiene Suppliers Directory - Find variety Hydroxyl-terminated Polybutadiene Suppliers Manufacturers Companies from around the World at polybutadiene rubber hydroxyl terminated polybutadiene hydroxyl terminated polybutadiene malaysia Polymer

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Global Hydroxyl

These hydroxyl-terminated polybutadiene (HTPB) resins are characterized by low volatiles content low glass transition temperatures excellent hydrophobicity and a high level of reactive functionality Analysis of Global hydroxyl-terminated polybutadiene (HTPB) market report: Global hydroxyl-terminated polybutadiene (HTPB) market is expected to register a substantial CAGR of 6 3% in the

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Hydrogenated Polybutadiene

Hydrogenated Polybutadiene POLYTAIL™ Low Molecular Weight Polyolefin Polyol Product Description: Typical Properties: POLYTAIL™H: Melting point: 60~70C: Density (25) 0 89g/cm Viscosity (100) 10~16 poise: Iodine number 5 g/100g: Hydroxyl number: 37~53 KOHmg/g: Moisture 0 1 wt% POLYTAIL™HA: Density (25) 0 87g/cm: Viscosity (80) 6~19 poise: Iodine number 5 g/100g:

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Evonik Opens Hydroxyl Terminated Polybutadiene Plant

Evonik Industries recently announced it has opened a new plant for hydroxyl terminated polybutadiene (HTPB) production in Marl Germany Evonik will market HTPB under the brand name POLYVEST HT The construction of the production plant is reportedly an investment in customer proximity and sustainability Most markets for HTPB are located in Europe

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Anionic waterborne polyurethane dispersions

30 09 1997Despite the known hydrophobicity of hydroxyl terminated polybutadiene resins it has now been surprisingly discovered that storage stable ready to use one component anionic waterborne polyurethane dispersions can be prepared by traditional methods using these polybutadiene resins Coatings made from these dispersions have good moisture resistance properties as well as

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Poly Bd Resins In The Coatings Industry Cray Valley

Hydroxyl Terminated Polybutadiene Resins and Derivatives Polybutadiene [butadiene rubber BR] is a synthetic rubber Polybutadiene rubber is a polymer formed from the polymerization of the monomer 1 3-butadiene Polybutadiene has a high resistance to wear and is used especially in the manufacture of tires which consumes about 70% of the production Polybutadiene Poly bd R

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hydroxyl

Hydroxyl-terminated polybutadienes and curing formulations BACKGROUND OF THE INVENTION This invention relates to hydroxyl-terminated polybutadiene compositions curable compositions comprising such hydroxyl-terminated polybutadienes resin products made by reacting such hydroxyl-terminated polybutadienes with polyisocyantes epoxy resins anhydrides amines or phenolics and

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Comprehensive Analysis on Global Hydroxyl

The Global Hydroxyl-Terminated Polybutadiene (HTPB) Market research report focuses on the leading competitors of the world Global Hydroxyl-Terminated Polybutadiene (HTPB) Market and provides data like the corporate summary product portfolio key developments price cost value volume revenue capacity production and contact information

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Hydroxyl Terminated Polybutadiene Resins

Home Product Catalog Hydroxyl Terminated Polybutadiene Resins Hydroxyl Terminated Polybutadiene Resins Product Code Chemical Description Viscosity Cps 25℃ Microstructure wt % 1 4-cis 1 4-trans 1 2-vinyl Molecular weigh Mn Tg ℃ Content of OH groups Mmol/g Polydispersity Mw/Mn Density g/cm3 Ricon120: Polybutadiene 6500- - 70: 2800-75 2 5: 0 9023℃ Krasol LBH-2000

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Evonik Opens Hydroxyl Terminated Polybutadiene Plant

Evonik Industries recently announced it has opened a new plant for hydroxyl terminated polybutadiene (HTPB) production in Marl Germany Evonik will market HTPB under the brand name POLYVEST HT The construction of the production plant is reportedly an investment in customer proximity and sustainability Most markets for HTPB are located in Europe

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US Patent Application for Hydroxyl

Hydroxyl-terminated polybutadienes and curing formulations Jul 26 2002 Compositions comprising (A) non-branched polybutadiene having terminal hydroxyl functionality less than 2 per molecule by average and (B) branched polybutadiene having terminal hydroxyl functionality more than 2 per molecule by average the weight ratio of (A) to (B) being about 99:1 to 1:99

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