Adhesion promoters

Details Adhesion promoters Adhesion promoters

1993-09-30

1994-08-30

Welsh, Maurice J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524188, 524720, 524728, 525457, C08L 7504

Patent

active

053428676

ABSTRACT:
The present invention provides an adhesive composition comprising a polyurethane resin and, as adhesion promoter, a compound of formula I: ##STR1## in which Z is an organic radical which is derived from an aliphatic aromatic or heterocyclic polyisocyanate containing m+n isocyanate groups; m is a value greater than or equal to 1; n is a value greater than or equal to 0; m+n is a value greater than or equal to 2; Y is 0 or S; X is 0, S or N--C.sub.1 -C.sub.4 alkyl; R.sub.1 is C.sub.1 -C.sub.8 alkylene; R.sub.2 is C.sub.1 -C.sub.4 alkyl or two groups R.sub.2 together for m a C.sub.1 -C.sub.4 alkylene residue; R.sub.3 is C.sub.1 -C.sub.4 alkyl or phenyl; and q is a value from 0 to 2.

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patent: 5081200 (1992-01-01), Yamaya et al.
patent: 5128423 (1992-07-01), Parrinello et al.
patent: 5134234 (1992-07-01), Parrinello et al.
Chemical Abstr. 109: 191731r.
Chemical Abstr., 108(22): 188153c.
Chemical Abstr., 105(18): 1544851c.
Chemical Abstr., 105(12): 98622f.
Chemical Abstr., 104(22): 187123y.

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