In-line method for laminating silicone-coated polyester film to

Details In-line method for laminating silicone-coated polyester film to In-line method for laminating silicone-coated polyester film to

1997-03-11

1999-10-12

Nakarani, D. S.

Stock material or miscellaneous articles

Layer or component removable to expose adhesive

Sectional layer removable

428 422, 428220, 428336, 428337, 428354, 428481, 428483, 428511, 428910, B32B 712, B32B 2710, B32B 2732, B32B 2736

Patent

active

059652268

ABSTRACT:
A multi-layered sheet product is provided which is useful as a release backing for pressure sensitive adhesive labels or as a liner for foodstuff containers and trays. The sheet product has a polymeric layer and a cellulosic layer laminated together and having an adhesive layer therebetween. A substantially uniform silicone coating is provided on a surface of the polymeric layer opposite the surface adhered to the cellulosic layer. The polymeric layer surface having the silicone coating thereon constitutes a smooth surface which, when the product is used as a release backing, minimizes distortion of the adhesive surface of an adhesive label upon separation of the label from the sheet product, an important feature for use with transparent labels. When used as a release liner for foodstuff containers and trays, the polymeric layer prevents absorption by the cellulosic layer of water from the foodstuff. Use of an oriented polyester as the polymeric layer, provides excellent tear resistance, dimensional stability and stiffness in an extremely thin laminated sheet product.

REFERENCES:
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patent: 4806398 (1989-02-01), Martin, Jr.
patent: 4822687 (1989-04-01), Kessel et al.
patent: 5244702 (1993-09-01), Finestone et al.
patent: 5411787 (1995-05-01), Kulkarni et al.
patent: 5424120 (1995-06-01), Culbertson
patent: 5518809 (1996-05-01), Henry et al.
patent: 5691022 (1997-11-01), Knauf
Derwent Abstract XP-002063371 re: JP 63 037 167 A, dated Feb. 17, 1988.

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