Laminated polyester film

Details Laminated polyester film Laminated polyester film

1992-11-06

1994-12-06

Nakarani, D. S.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

26421112, 26421119, 2642112, 427387, 4273882, 4273884, 428336, 428447, 428451, 428480, 428483, 428910, B32B 2736, B29C 5512

Patent

active

053709306

ABSTRACT:
A polyester film having a coating layer provided with excellent mold release property, slipperiness, heat resistance and flatness is disclosed.
The laminated polyester film is prepared by applying at least on one surface of a polyester film an aqueous solution or dispersion containing a polysiloxane-polyvinyl graft copolymer which comprises a silane comprising structural units of the formulas (1) and (2) indicated below or the hydrolysate thereof and in which not less than 80 wt % of the siloxane portions are dimethylsiloxane, and, thereafter, stretching and drying.

REFERENCES:
patent: 4766038 (1988-08-01), de Vroom
patent: 5128206 (1992-07-01), Fiard et al.

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