| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a biaxially oriented laminated film of a polylactic acid with a low temperature heat sealability and biodegradabilty without spoiling an optical characteristic as a transparency, gloss or the like being an original characteristic of the biaxially oriented polylactic acid film. <P>SOLUTION: The biaxially oriented laminated film of the polylactic acid comprises a covering layer (II) comprising an aliphatic polyester composition (D) comprised of an aliphatic polyester copolymer (B) having a melting point (Tm) of 80-120°C, a crystallizing temperature (Tc) of 35-75°C and (Tm)-(Tc) being in a range of 35-55°C and comprising an aliphatic or an alicyclic dicarboxylic acid component (b1), an aliphatic or an alicyclic dihydroxy compound component (b2) and a bifunctional aliphatic hydroxycarboxylic acid component (b3), and a polylactic acid copolymer (C) containing D-lactic acid of 7-30 wt.% formed on at least one surface of the biaxially oriented laminated film (I) made from a polylactic acid (A), and applications of the film. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
