Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Adhesive outermost layer
Patent
1989-11-14
1993-02-09
Davis, Jenna L.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Adhesive outermost layer
428354, 428355, C09J 702
Patent
active
051852039
ABSTRACT:
Disclosed are a heat-sealable crosslinked oriented polyethylene film having low-temperature heat sealabilitiy which enables high-speed bag making, improved in antiblocking property and excellent in clarity and moistureproofness, comprising a crosslinked, biaxially oriented high density polyethylene film in which the degree of crosslinking inwardly decreases across the thickness of the film, and a heat sealing layer placed thereon, the heat sealing layer being composed of a tackifier and an ethylene-vinyl acetate copolymer containing an antiblocking agent or composed of 1,2-polybutadiene containing an antiblocking agent, preferably further comprising a heat sealing layer free from an antiblocking agent placed between the biaxially oriented film and the heat sealing layer containing the antiblocking agent, and a process for the production of the same.
REFERENCES:
patent: 3088844 (1963-05-01), Hungerford
patent: 3245931 (1966-04-01), Matthew
patent: 4020228 (1977-04-01), Eastes
patent: 4356222 (1982-10-01), Harakawa
patent: 4590020 (1986-05-01), Itaba
patent: 4874665 (1989-10-01), Doheny
patent: 4956232 (1990-09-01), Balloni
Itaba Yasushi
Izawa Minoru
Kondo Takayoshi
Saito Keichiro
Davis Jenna L.
Tonen Sekiyukagaku K.K.
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