Stretched film of lactic acid-based polymer

Details Stretched film of lactic acid-based polymer Stretched film of lactic acid-based polymer

1996-11-20

1998-06-16

Nakarani, D. S.

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

428328, 428330, 428331, 428480, 428910, 524423, 524425, 524447, 524451, 524492, 524493, 524497, B32B 516, B32B 2736

Patent

active

057667489

ABSTRACT:
The stretched film of the lactic acid-based polymer of the invention can degrade under natural environment, and additionally has an excellent mechanical strength and durability. By use of a lubricant in combination with an inorganic filler, these properties are further improved and thickness accuracy is enhanced. Consequently, the stretched film of the lactic acid-based polymer of the invention can be widely applied to a prepaid card and other various film materials, lamination materials and packaging materials. Even though abandoned after use in the natural environment, the stretched film relatively quickly decomposes into carbon dioxide and water and does not accumulate as waste.

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