Transparent cover layer for transparent glass or plastic substra

Details Transparent cover layer for transparent glass or plastic substra Transparent cover layer for transparent glass or plastic substra

1989-05-30

1991-07-09

Marquis, Melvyn I.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

528 265, 528 27, 528 28, C08K 524

Patent

active

050306863

ABSTRACT:
A condensation-inhibiting transparent cover layer of soft elastic polyurethane for viewing windows or other transparent glass or plastic substrates. The reaction mixture for production of the cover layer contains, in addition to a trifunctional polyisocyanate and a trifunctional polyol, a difunctional sulfonated polyether polyol, i.e. one containing sulfonate groups, and a non-ionic tenside in the form of an ethoxylated fatty alcohol and/or an ethoxylated fatty amine.

REFERENCES:
patent: 4826914 (1989-05-01), Raedisch et al.

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