Polyolefin film

Details Polyolefin film Polyolefin film

1991-05-06

1992-05-26

Foelak, Morton

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

2642902, 428 352, 428 355, 428349, 526351, C08F 1000, C08F11000

Patent

active

051169266

ABSTRACT:
A polymeric film has a biaxially oriented substrate layer of a propylene polymer having an X-ray scattering phi (.phi.) scan full width half maximum (FWHM) value greater than 16.0.degree.. The film preferably comprises a polymeric heat-sealable layer on at least one surface of the substrate.

REFERENCES:
patent: 4168361 (1979-09-01), Oda
patent: 4252851 (1981-02-01), Lansbury et al.
patent: 4554321 (1985-11-01), Hwo et al.
patent: 4569983 (1986-02-01), Capaccio et al.
patent: 4604441 (1986-08-01), Ueeda et al.
patent: 4727112 (1988-02-01), Kohyama et al.
patent: 4727113 (1988-02-01), Kohyama et al.

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