Reverse coating textiles with polyurethane solutions

Details Reverse coating textiles with polyurethane solutions Reverse coating textiles with polyurethane solutions

1976-10-26

1981-02-03

Pianalto, Bernard D.

Coating processes

Coating remains adhesive or is intended to be made adhesive

Pressure sensitive adhesive

427428, B05D 510

Patent

active

042489105

ABSTRACT:
This invention relates to the coating of sheet-form textile materials by the reverse process using polyurethanes which, for ecological and economic reasons, are dissolved in a single organic solvent.
Segmented, substantially linear polyurethanes of dihydroxy polyesters and/or dihydroxy polyethers, aromatic and/or aliphatic diisocyanates and glycols and/or diamines as chain extenders, are used as surface and adhesive coatings in the form of solutions containing only a single organic solvent. To control coating properties, solutions used for adhesive coatings contain from 1 to 15% by weight based on the weight of the solution of water in addition to the organic solvent.

REFERENCES:
patent: 2432075 (1947-12-01), Jennings
patent: 3428611 (1969-02-01), Brotherton et al.
patent: 3432456 (1969-03-01), Oertel et al.
patent: 3484274 (1967-12-01), McCarthy
patent: 3867350 (1975-02-01), Pedain et al.

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