Heat curable adhesives based on polymers having a polybutadiene

Details Heat curable adhesives based on polymers having a polybutadiene Heat curable adhesives based on polymers having a polybutadiene

1988-12-01

1992-09-22

Henderson, Christopher

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

Synthetic resins

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

524426, 524432, 524433, 524436, 525346, C08F 834, C08F 830

Patent

active

051497425

ABSTRACT:
Heat curable adhesives, based on polybutadiene containing hydroxyl groups, which have a content of (a) polybutadiene having a number average molecular weight of from about 1000 to 3500 and OH values in the range from about 20 to 100; (b) blocked multi-isocyanates, (c) sulfur and (d) conventional vulcanization accelerators, an which may also contain conventional, especially mineral, fillers, pigments and/or auxiliaries, show good elasticity behavior and high tensile shear strength after curing and have a relatively low viscosity favorable for processing before curing.

REFERENCES:
patent: 3329650 (1967-07-01), Albin
patent: 4165421 (1979-08-01), Graham
patent: 4343339 (1982-08-01), Schwindt et al.
C.A. 98(20:162261m (SU-OS 99 25 46).
C.A. 97(6):128615z (JA-OS 80/125171).
C.A. 86(20):141828p (JA-OS 77/14638).
C.A. 85(12):78704g (JA-OS 76/6897).
C.A. 82(4):18331m (JA-OS 76/6840).

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