POLYVEST® eCO HT Bio

Evonik Operations GmbH, BL Coating & Adhesive Resins

POLYVEST® eCO HT Bio 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® eCO HT Bio is a highly reactive binder providing versatile opportunities for precise chemical modifications and reactions. POLYVEST® eCO HT Bio is compliant with the sustainability criteria laid down by the ISCC, voluntary certification, and a trusted standard. It does not differ in its physicochemical properties compared to the standard grade derived from fossil-based raw materials. Therefore, it can be used as a drop-in replacement by customers because it does not require any additional tests, requalification, or investment. POLYVEST® eCO HT Bio brings the same well-known performance but has reduced carbon emissions. POLYVEST® eCO HT Bio 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® eCO HT Bio 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.

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