Hydroxyl-containing liquid polymers and adhesives made therefrom

Details Hydroxyl-containing liquid polymers and adhesives made therefrom Hydroxyl-containing liquid polymers and adhesives made therefrom

1980-03-10

1981-12-15

Van Balen, William J.

Stock material or miscellaneous articles

Composite

Of polyamidoester

4284251, 4284258, 428522, 428419, 525404, 525440, 528 75, 560190, 562590, B32B 2740, C08G 1810, C07C 6934, C07C 5500

Patent

active

043059961

ABSTRACT:
This invention relates to a low viscosity hydroxylated liquid polymer having polymerized therein a mercaptan compound containing hydroxyl and/or carboxyl group(s) in an amount sufficient to reduce viscosity and provide low peel property on the order of 10 to 25 ounces without significantly lowering the adhesive properties thereof, to a removable, low peel adhesive which is a reaction product of the liquid polymer and an isocyanate prepolymer, and to a substrate having deposited thereon said adhesive. The removable adhesive produces a clean 180.degree. peel while maintaining good tack and shear and due to its low viscosity, it can be processed at 100% solids, i.e., without any solvent.

REFERENCES:
patent: 4128600 (1978-12-01), Skinner et al.
patent: 4145511 (1979-03-01), Gilles
patent: 4145514 (1979-03-01), de Vry et al.
patent: 4225695 (1980-09-01), Schuster et al.

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