Sheet or web type materials with a markable adhesive-repellent c

Details Sheet or web type materials with a markable adhesive-repellent c Sheet or web type materials with a markable adhesive-repellent c

1977-06-17

1979-02-06

Powell, William A.

Stock material or miscellaneous articles

Composite

Of polyamidoester

106 2, 260 328N, 260 37N, 260 336UB, 427177, 427208, 427211, 428 40, 428354, 428352, 428355, 428906, 528 59, 528288, B32B 2740, B05B 504

Patent

active

041385276

ABSTRACT:
Self-adhesive webs or sheets are disclosed which are easily marked by ordinary printing means. They are prepared by coating a flexible substrate with a reactive mixture of a polyurethane, an aliphatic trifunctional isocyanate having terminal isocyanate groups, glycerin, microfine siliceous matting agents, and an organic tin ester catalyst. A process for their manufacture is also disclosed.

REFERENCES:
patent: 3341488 (1967-09-01), O'Connor
patent: 3441523 (1969-04-01), Dwyer et al.
patent: 3470121 (1969-09-01), Cobbledick
patent: 3668173 (1972-06-01), Wooster et al.
patent: 3851761 (1974-12-01), Schwarcz
patent: 4056661 (1977-11-01), Sato et al.

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