Breathable film and process for production of the same

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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521143, 264 41, 2642888, 2642902, 264DIG73, C08J 518, C08J 900, B29C 5502, B29K 2300

Patent

active

048290963

ABSTRACT:
A breathable film and a process for producing the same are disclosed, the breathable film comprising a resin composition comprising (1) 100 parts by weight of a linear low-density polyethylene resin having a density of from 0.870 to 0.915 g/cm.sup.3 and containing from 15 to 50% by weight of a component which is extractable with xylene at room temperature and which has a weight average molecular chain length of from 1,000 to 9,000 .ANG.; (2) from 50 to 400 parts by weight of a filler; and optionally, (3) from 0.5 to 8 parts by weight of a nonionic surface active agent. The breathable film of the invention not only has excellent film moldability and film stretchability but also shows high breathability, good touch and appearance, and high strength.

REFERENCES:
patent: 4452845 (1984-06-01), Lloyd et al.
patent: 4472328 (1984-09-01), Sugimoto et al.
patent: 4678813 (1987-07-01), Iroh et al.
patent: 4699733 (1987-10-01), Matsumura et al.
patent: 4705812 (1987-11-01), Ito et al.
patent: 4705813 (1987-11-01), Ito et al.

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