POLYVEST® HT is a stereospecific, low viscous and hydroxyl-terminated liquid polybutadiene. Due to its unsaturated polymer backbone and the terminal hydroxyl functionalities, the apolar and hydrophobic hydrocarbon resin POLYVEST® HT is a highly reactive binder providing versatile opportunities for precise chemical modifications and reactions. POLYVEST® HT exhibits the following features: high chemical resistance towards acids and bases, excellent water resistance, excellent electrical insulation properties, high cold resistance by keeping good flexibility at low temperatures, good solubility in aliphatics, aromatics and ethers, low moisture and gas permeability, good adhesion to various substrates. POLYVEST® HT is used in adhesive and sealant compositions, insulated glass sealants, waterproofing membranes and coatings, gap fillers and expansion joints, electrical insulations and potting compounds, binder for rubber based sealants and recycled rubber compounds, polymer modification, and many more.
The Evonik Coating & Adhesive Resins business is based on their backbone chemistry of polyesters, amorphous poly-alpha-olefins, FT-waxes, polybutadienes and polyacrylates. They develop individual polymer solutions according to customer needs.
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