Removable polyurethane adhesive

Details Removable polyurethane adhesive Removable polyurethane adhesive

1989-12-18

1992-04-07

Lesmes, George F.

Stock material or miscellaneous articles

Pile or nap type surface or component

Particular backing structure or composition

428 97, 528 76, 528 77, B32B 3300, D03D 2700

Patent

active

051027143

ABSTRACT:
A polyurethane adhesive is prepared from a reaction mixture containing small amounts of chain extender material and a high equivalent weight of a polyol and a monoalcohol. An article adhered to a substrate using this adhesive is firmly affixed to the substrate, yet can be removed without leaving residual adhesive on the substrate. In addition, this adhesive can be washed and reused if desired.

REFERENCES:
patent: 3437622 (1969-04-01), Dahl
patent: 3682690 (1972-08-01), Amos et al.
patent: 3847647 (1974-11-01), Bahlo
patent: 3952133 (1976-04-01), Amos et al.
patent: 4296159 (1981-10-01), Jenkines et al.
patent: 4524102 (1985-06-01), Hostettler
patent: 4675232 (1987-06-01), Edenbaum et al.
patent: 4849267 (1989-07-01), Ward et al.
patent: 4981880 (1991-01-01), Lehmann et al.
patent: 5045375 (1991-09-01), Davis et al.

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