Plastic bags of blends of linear ethylene polymers and aromatic

Details Plastic bags of blends of linear ethylene polymers and aromatic Plastic bags of blends of linear ethylene polymers and aromatic

1987-08-13

1989-02-14

Seccuro, Carman J.

Stock material or miscellaneous articles

Hollow or container type article

Nonself-supporting tubular film or bag

525240, 524528, 383 7, 383 8, 383 37, 206527, C08J 518, C08K 336, C08L 2318, B65D 3002

Patent

active

048045640

ABSTRACT:
Plastic bags are made from linear ethylene homopolymer or linear low density copolymers (LLDPE) blended with up to about 10 weight percent of an aromatic polymer, e.g., polystyrene or poly(para-methylstyrene), to improve the ease of opening the bags by reducing the blocking tendency of the film. Although ease of opening is improved the aromatic polymer does not adversely affect the other physical properties of the bag, such as MD tear strength and stiffness, but improves them.

REFERENCES:
patent: 3274328 (1966-09-01), Davis
patent: 3894117 (1975-07-01), Agowri et al.
patent: 3993718 (1976-11-01), Bontinck et al.
patent: 4255531 (1981-03-01), Arbit
patent: 4260565 (1981-04-01), D'Amico et al.
patent: 4386188 (1983-05-01), Granciv et al.
patent: 4579912 (1986-04-01), Canterino et al.
Chemicalweek, 2/82, "A Better Syrene . . . ", pp. 42-45.
Package Engineering, 2/80, "New Polyethylenes", pp. 39-40.
Plastics World, 12/79, "New Materials", p. 86.

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