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
1986-11-21
1988-02-16
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...
428 38, 428 40, 428409, 4284233, 528 81, 528 83, 528 85, C08G 1844
Patent
active
047256621
ABSTRACT:
A transparent laminate made of a transparent hard material having a soft synthetic resin layer on its surface, wherein the soft synthetic resin layer has, at its exposed surface side, a surface of a cross-linked polyurethane type resin having a self-healing property with the surface reformed by impregnating an addition-polymerizable unsaturated compound into the cross-linked polyurethane resin surface and polymerizing the impregnated compound.
REFERENCES:
patent: 3639354 (1972-02-01), Muller et al.
Kuga Kazuhiko
Washita Hiroshi
Watanabe Hiroyuki
Asahi Glass Company Ltd.
Welsh Maurice J.
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