Stock material or miscellaneous articles – Hollow or container type article – Nonself-supporting tubular film or bag
Patent
1996-08-15
1997-12-09
Buffalow, Edith
Stock material or miscellaneous articles
Hollow or container type article
Nonself-supporting tubular film or bag
428 343, 4284758, 4284761, 4284763, 4284769, 428515, 428516, 428523, 428910, 525240, 525 71, 525 74, 525 78, 525285, 525298, 525301, 525302, B32B 108
Patent
active
056958382
ABSTRACT:
Disclosed are (1) an adhesive polypropylene resin composition comprising (a) 50 to 90 parts by weight of a modified polypropylene or a composition containing said modified polypropylene, said modified polypropylene being graft-modified with at least one monomer selected from the group consisting of an unsaturated carboxylic acid from the group consisting of an unsaturated carboxylic acid and a derivative thereof and (b) 10 to 50 parts by weight of a modified polyolefin other than the modified polypropylene or the composition (a), said modified polyolefin being grafted with at least one monomer selected from the group consisting of an unsaturated carboxylic acid and a derivative thereof, and (2) a multi layer laminate body comprising (i) a layer of a polyolefin (ii) a layer of the above-said adhesive polypropylene resin composition and (iii) a layer of a polyamide resin and/or an ethylene/vinyl alcohol copolymer, said layers being laminated in the order of (i), (ii) and (iii). The composition of (1) has an excellent adhesion capability for a polyolefin resin layer such as polypropylene layer and also a layer of polyamide resin and/or an ethylene/vinyl alcohol copolymer resin layers.
REFERENCES:
patent: 4481262 (1984-11-01), Shida et al.
patent: 4716061 (1987-12-01), Winter
patent: 4724185 (1988-02-01), Shah
patent: 5367022 (1994-11-01), Kiang et al.
Kawachi Hideshi
Tanaka Haruhiko
Buffalow Edith
Mitsui Petrochemical Industries Ltd.
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