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.
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Application Number:
JP50372487A
Publication Date:
January 26, 1989
Filing Date:
June 18, 1987
Export Citation:
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:
JPS59143639A | 1984-08-17 | |||
JPS485585A | ||||
JPS5558204A | 1980-04-30 | |||
JPS51143086A | 1976-12-09 | |||
JPS6011342A | 1985-01-21 | |||
JPS5595568A | 1980-07-19 | |||
JPS565834A | 1981-01-21 | |||
JPS57199626A | 1982-12-07 | |||
JPS60171149A | 1985-09-04 | |||
JPS58124648A | 1983-07-25 |
Foreign References:
US4112181A | 1978-09-05 |