Removal of adhesive from polyester film with criticality in surf

Details Removal of adhesive from polyester film with criticality in surf Removal of adhesive from polyester film with criticality in surf

1995-09-12

1997-12-16

Warden, Robert J.

Cleaning and liquid contact with solids

Processes

Including regeneration, purification, recovery or separation...

134 29, 521 40, 521 48, B08B 308, C08J 1104

Patent

active

056980442

ABSTRACT:
Coating is removed from polyester film which is formed into flakes by use of an alkali stripping solution containing surfactant wherein the surfactant is not optimized in a stripping step to remove redeposited coating but rather is optimized to aid in rinsing based on residual surfactant present on the stripped flake.

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patent: 4602046 (1986-07-01), Bauser et al.
patent: 4612057 (1986-09-01), Bauser et al.
patent: 4799954 (1989-01-01), Hochberg
patent: 5055139 (1991-10-01), Personette
patent: 5127958 (1992-07-01), Personette
patent: 5286463 (1994-02-01), Schwartz, Jr.
patent: 5366998 (1994-11-01), Schwartz, Jr.

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