High melt flow polypropylene medical film

Details High melt flow polypropylene medical film High melt flow polypropylene medical film

1995-05-25

1998-08-04

Nakarani, D. S.

Stock material or miscellaneous articles

Hollow or container type article

Nonself-supporting tubular film or bag

428141, 4284758, 4284761, 4284763, 4284769, 428483, 428517, 428519, 428520, 428521, 428522, B32B 108, B32B 2730, B32B 2732, B32B 2734, B32B 2736

Patent

active

057890463

ABSTRACT:
An impact resistant film suitable for making medical solution pouches and medical drainage pouches generally includes an interior layer of a polyolefin such as an ethylene vinyl acetate copolymer, ethylene methyl acrylate copolymer, very low density polyethylene or blends thereof; and outer layers of a high melt flow ethylene propylene copolymer. At least one of the outer layers also includes an elastomer such as a styrene ethylene butylene styrene copolymer. A flexible copolyester can be substituted for one of the outer high melt flow polymer layers. Additional interior layers can also be incorporated in the film structure.

REFERENCES:
patent: 4188443 (1980-02-01), Mueller et al.
patent: 4194039 (1980-03-01), Mueller
patent: 4196240 (1980-04-01), Lustig et al.
patent: 4401536 (1983-08-01), Lundell et al.
patent: 4599276 (1986-07-01), Martini
patent: 4643926 (1987-02-01), Mueller
patent: 4927691 (1990-05-01), Bekele
patent: 4938683 (1990-07-01), Boice
patent: 4952451 (1990-08-01), Mueller
patent: 4977022 (1990-12-01), Mueller
patent: 5075143 (1991-12-01), Bekele
patent: 5370968 (1994-12-01), Goss et al.

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