Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...
Patent
1988-08-03
1989-08-08
Welsh, Maurice J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From reactant having at least one -n=c=x group as well as...
C08G 1880
Patent
active
048553824
ABSTRACT:
A hot melt adhesive contains a copolymer of at least 50 wt. % ethylene containing hydroxyl functionality having a melt viscosity of from 1 to 100 Pa.s at 180.degree. C., an internally blocked polyisocyanate and a viscosity reducing agent such as a tackifier.
REFERENCES:
patent: 4263444 (1981-04-01), Graham et al.
patent: 4609717 (1986-09-01), Greigger et al.
Exxon Chemical Patents Inc.
Hunt J. F.
Welsh Maurice J.
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