Stock material or miscellaneous articles – Composite – Of polycarbonate
Patent
1986-06-12
1987-12-15
Ives, P. C.
Stock material or miscellaneous articles
Composite
Of polycarbonate
428 35, 428483, 4284761, 428516, 428518, 2641761, 264535, 525 61, 426127, B32B 2732, B32B 2708, B29C 4700, B65D 8500
Patent
active
047132965
ABSTRACT:
There is provided a laminate having good gas barrier properties which comprises at least one barrier layer of modified ethylene-vinyl alcohol copolymer containing 0.1 to 5 mol % of pyrrolidone ring-containing units and 20 to 55 mol % of ethylene units, with the degree of saponification of the vinyl acetate component being at least 98 mol %, and at least one layer of thermoplastic resin. This laminate is superior in drawability, and can be made by drawing into bottles, cups, and the like which exhibit excellent clarity, appearance, and gas barrier properties.
REFERENCES:
patent: 4058647 (1977-11-01), Inoue et al.
patent: 4289830 (1981-09-01), Knott, II
patent: 4495249 (1985-01-01), Ohya et al.
Aoyama Akimasa
Moritani Takeshi
Negi Taichi
Okaya Takuji
Yonezu Kiyoshi
Ives P. C.
Kuraray Co. Ltd.
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