Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent
1990-12-28
1992-07-21
Buffalow, Edith L.
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
428 354, 428349, 428213, 428516, B29D 2200
Patent
active
051321491
ABSTRACT:
A barrier packaging material for an infusion solution including an intermediate layer including an ethylene-vinyl alcohol copolymer, and co-extrusion layers including an ethylene-vinyl acetate copolymer which have respectively been dry-laminated on both sides of the intermediate layer, wherein the ethylene-vinyl acetate co-extrusion layer includes a middle layer having a vinyl acetate content of 15 to 25 wt. %, and an upper layer and a lower layer each having a vinyl acetate content of 5 to 9 wt. % respectively disposed on both sides of the middle layer.
Inuzuka Takeshi
Kotani Takayuki
Buffalow Edith L.
Kabushiki Kaisha Hosokawa Yoko
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