Method for preparing tufted pile carpet and adhesive therefor

Details Method for preparing tufted pile carpet and adhesive therefor Method for preparing tufted pile carpet and adhesive therefor

1987-10-14

1989-07-04

Lesmes, George F.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156313, 156332, 156334, 428 97, B32B 3106, B32B 3120

Patent

active

048447650

ABSTRACT:
Lamination of a tufted, primary carpet backing to a secondary backing is conducted using a composite hot melt adhesive in sheet form. The composite adhesive overcomes the unfavorable temperature-viscosity gradient within the carpet structure during the lamination process, yielding tufted pile carpets with good tuft encapsulation, tuft bind strength and delamination strength. Also disclosed are hot melt adhesive compositions suitable for use in sheet form in such a process.

REFERENCES:
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patent: 3542612 (1970-11-01), Fox
patent: 3542613 (1970-11-01), Fox
patent: 3551231 (1970-12-01), Smedburg
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patent: 4552794 (1985-12-01), Goss
"Ethylene Copolymer Based Hot Melt Adhesives"; Handbk. of Adhesives Skeist; pp. 495-506, (1977)-2d Ed.

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