Butadiene/polar comonomer copolymer and aromatic reactive end gr

Details Butadiene/polar comonomer copolymer and aromatic reactive end gr Butadiene/polar comonomer copolymer and aromatic reactive end gr

1991-09-26

1993-04-13

Sellers, Robert E.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525423, 525438, 525445, 525450, C08L 902, C08L 6704, C08L 7102, C08L 7710

Patent

active

052023907

ABSTRACT:
The invention relates to compositions containing A) a liquid copolymer based on butadiene and at least one polar, ethylenically unsaturated comonomer, and B) a polyether prepolymer capped with hydroxyarylcarboxylic or hydroxyaralkylcarboxylic acids, or a capped polyester, polythioester or polyamide containing polyether segments. The phenolic hydroxyl group in component B) can also be etherified with epichlorohydrin and this product can be converted to a episulfide, if desired, or the phenolic hydroxyl group can be reacted with cyanogen halide to form a cyanate group.
The stock compositions can be used in combination with epoxy resins to manufacture structural adhesives or sealing compounds.

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Chem. Abst. 89-094899/13.
Org. Coat Plast. Chem. vol. 40, pp. 899-902.

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