Plastic film packaging material

Details Plastic film packaging material Plastic film packaging material

1987-10-09

1989-06-20

Ives, P. C.

Stock material or miscellaneous articles

Hollow or container type article

Nonself-supporting tubular film or bag

428331, 428338, 428339, 428516, 428523, 428 352, 426118, B65D 8124, B32B 702, C08L 2304

Patent

active

048408239

ABSTRACT:
The present invention provides a plastic film packaging material comprising 100 weight parts of a polyethylene resin and 5 to 100 weight parts of an additive comprising a silica containing naturally porous material which is hydrophillic and which has a pore diameter of 15-200A, a specific surface area of 110 to 130 m.sup.2 /g, voids of 40 to 50% and a specific gravity of about 1.2.

REFERENCES:
patent: 4277578 (1981-07-01), Yoshimura et al.
patent: 4379197 (1983-04-01), Cipriam et al.
patent: 4514465 (1985-04-01), Schoenberg

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