Liquid polymer and polyol compositions, and process for preparin

Details Liquid polymer and polyol compositions, and process for preparin Liquid polymer and polyol compositions, and process for preparin

1993-07-22

1995-09-26

Clark, W. Robinson

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

Synthetic resins

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

525450, 525509, 525519, 525534, C08L 6128, C08F 2030, C08G 6306

Patent

active

054534690

ABSTRACT:
Non liquid-crystalline esterphenol-capped liquid polymer and polyol compositions in combination with an amino crosslinking agent endow coating compositions containing them with the ability of providing films having superior properties. The esterphenol-capped polymers and polyols can be prepared by direct esterification of hydroxybenzoic acid without its decarboxylation.

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Wang et al., Am. Chem. Soc., Div. Polm. Mater. Sci. Eng., 56,645 (Jan. 1987) discloses the synthesis of liquid-crystal polymers by reacting p-hydroxybenzoic acid with a linear polyester diol.
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