Polyurethane sealants and adhesives containing saturated hydroca

Details Polyurethane sealants and adhesives containing saturated hydroca Polyurethane sealants and adhesives containing saturated hydroca

1994-09-29

1996-01-23

Bleutge, John C.

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

Synthetic resins

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

525130, 5253273, 5253302, 5253317, 5253328, 525366, 525455, 528 59, 528 60, 528 65, C08L 7500, C08F 830

Patent

active

054865700

ABSTRACT:
Polyurethane sealants and adhesives made with saturated, polyhydroxylated polydiene polymers and polyisocyanates have improved tack and peel strength when the crosslinked polyurethane has non-load bearing saturated hydrocarbon segments formed by use of substantially less than stoichiometric amounts of polyisocyanate or by addition of monohydroxylated polydiene polymers.

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