JPS633813Y2 - - Google Patents

Info

Publication number

JPS633813Y2

JPS633813Y2 JP11746580U JP11746580U JPS633813Y2 JP S633813 Y2 JPS633813 Y2 JP S633813Y2 JP 11746580 U JP11746580 U JP 11746580U JP 11746580 U JP11746580 U JP 11746580U JP S633813 Y2 JPS633813 Y2 JP S633813Y2

Authority

JP

Japan

Prior art keywords

layer

composition ratio

dimensional change

composite film

eva

Prior art date

1980-08-21

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired

Links

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• 239000010410 layer Substances 0.000 claims description 53
• 229920005989 resin Polymers 0.000 claims description 25
• 239000011347 resin Substances 0.000 claims description 25
• 239000005038 ethylene vinyl acetate Substances 0.000 claims description 23
• 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 23
• 239000000203 mixture Substances 0.000 claims description 16
• 238000010521 absorption reaction Methods 0.000 claims description 14
• 239000002131 composite material Substances 0.000 claims description 14
• 229920013716 polyethylene resin Polymers 0.000 claims description 2
• 239000002344 surface layer Substances 0.000 claims description 2
• 239000000463 material Substances 0.000 description 26
• 239000004698 Polyethylene Substances 0.000 description 10
• 238000007789 sealing Methods 0.000 description 9
• 238000004806 packaging method and process Methods 0.000 description 7
• 229920000298 Cellophane Polymers 0.000 description 3
• 230000004888 barrier function Effects 0.000 description 3
• 238000009461 vacuum packaging Methods 0.000 description 3
• 238000000034 method Methods 0.000 description 2
• 238000004321 preservation Methods 0.000 description 2
• VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
• 229920012753 Ethylene Ionomers Polymers 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 229920000554 ionomer Polymers 0.000 description 1
• 208000018883 loss of balance Diseases 0.000 description 1
• 229920001684 low density polyethylene Polymers 0.000 description 1
• 239000004702 low-density polyethylene Substances 0.000 description 1
• 229920006122 polyamide resin Polymers 0.000 description 1
• 229920000573 polyethylene Polymers 0.000 description 1
• 238000007127 saponification reaction Methods 0.000 description 1