Melt-extruded multilayer polyethylene bag film

Details Melt-extruded multilayer polyethylene bag film Melt-extruded multilayer polyethylene bag film

1981-05-15

1982-10-26

Ives, P.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

428216, 428516, 229 53, B65D 3100, B32B 2708

Patent

active

043562213

ABSTRACT:
A multi-layer polyethylene film especially suitable for garbage and refuse bags, comprising a first layer of at least 75 wt. % high pressure-low density polyethylene (HPLPDE), and at least a second layer of HPLDPE and low pressure-low density polyethylene (LPLDPE), in which the LPLDPE is less than about 25 wt. % of the LPLDPE plus HPLDPE total weight.

REFERENCES:
patent: 3088848 (1963-05-01), Tritsch
patent: 3281501 (1966-10-01), Coats et al.
patent: 3340328 (1967-09-01), Brindell et al.
patent: 3409574 (1968-11-01), Gros
patent: 3700759 (1972-10-01), Breuer et al.
patent: 3888709 (1975-06-01), Burk
patent: 4160053 (1979-07-01), Clayton
"The Real Economics of LLDPE Film Extrusion," Modern Plastics, Jul. 1980, pp. 42-45.
"Processing the Linear LDPE's: There Are Some Differences, " Processing Engineering News, Feb. 1980, pp. 33, 35, 37, 41, 43, 45, 115, 117.

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