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Document Type and Number:
Japanese Patent JPS64500180
Kind Code:
A
Abstract:
PCT No. PCT/JP87/00401 Sec. 371 Date Oct. 22, 1987 Sec. 102(e) Date Oct. 22, 1987 PCT Filed Jun. 18, 1987 PCT Pub. No. WO87/07880 PCT Pub. Date Dec. 30, 1987.A heat shrinkable cylindrical laminated film having a polyvinylidene chloride type resin (I) as an oxygen gas barrier core layer, on the both surface side of which 1 or 2 resin layers are arranged respectively and consisting of 3-5 layers with total, characterized in that the cylindrical exterior surface resin layer on said layer (I) comprises a crosslinked polyolefin type resin layer (II) having a gel fraction [x] at the outermost layer of 25-70% by weight, a geld fraction [y] at the surface layer in the side of the layer (I) of 40% by weight or less and a gradient of gel fraction represented by [y/x] of 0.6 or less and the joint of said layers (I) and (II) comprises a laminate of a joint in a state denaturated by electron rays.

Application Number:
JP50372487A
Publication Date:
January 26, 1989
Filing Date:
June 18, 1987
Export Citation:
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International Classes:
B65D65/40; B29C35/08; B29C48/09; B29C48/10; B29C48/21; B29C48/30; B29C48/335; B29C55/02; B29C55/28; B29C61/06; B29C61/08; B32B27/08; B32B27/28; B32B27/30; B32B27/32; C08J3/24; B29K23/00; B29K27/00; B29K105/02; B29K105/24; B29L9/00; (IPC1-7): B29C61/08; B29K23/00; B29K27/00; B29K105/02; B29K105/24; B29L9/00; B32B27/30; B32B27/32; B65D65/40
Domestic Patent References:
JPS59143639A1984-08-17
JPS485585A
JPS5558204A1980-04-30
JPS51143086A1976-12-09
JPS6011342A1985-01-21
JPS5595568A1980-07-19
JPS565834A1981-01-21
JPS57199626A1982-12-07
JPS60171149A1985-09-04
JPS58124648A1983-07-25
Foreign References:
US4112181A1978-09-05



 
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