Polypropylene polymer film and adhesive film using the same

Details Polypropylene polymer film and adhesive film using the same Polypropylene polymer film and adhesive film using the same

2011-04-26

2011-04-26

Rabago, Roberto (Department: 1762)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S348000, C526S352000, C428S500000, C428S515000, C428S516000, C427S207100, C427S208000, C427S208200, C427S208400, C427S393500

Reexamination Certificate

active

07932341

ABSTRACT:
An object of the present invention is to provide a polypropylene polymer film superior in convenience in handling that does not generate troubles such as wrinkling, elongation or breakage during processing at a high temperature of 80° C. to 120° C., independently of the conveying method used in the drying step, and an adhesive film having the polypropylene polymer film as its carrier. Provided are a polypropylene polymer film, characterized by having a tensile modulus of 300 MPa to 1,000 MPa under an atmosphere at 23° C. and 60 MPa to 120 MPa under an atmosphere at 120° C. and an adhesive film containing it as the carrier.

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