| Musashino Chemical Laboratory, Ltd. Patent applications |
| Patent application number | Title | Published |
| 20100324229 | METHOD FOR PRODUCING POLYLACTIC ACID BLOCK COPOLYMER - It is an object of the present invention to provide a method for producing a polylactic acid block copolymer having high molecular weight, and in lower cost, wherein only a stereo-complex crystal is capable of growing, even when heat melting process is repeated. The present invention relates to a method for producing a polylactic acid block copolymer characterized in that (i) ring-opening polymerization of D-lactide (D component) is carried out in the presence of poly-L-lactic acid (L component), or (ii) ring-opening polymerization of L-lactide (L component) is carried out in the presence of poly-D-lactic acid (D component), and mass ratio of the D component and the L component is the D component/the L component=60/40 to 91/9, or the L component/the D component=60/40 to 91/9. | 12-23-2010 |
| 20100093889 | POLYLACTIC ACID COMPOSITION - An object of the present invention is to provide a composition containing polylactic acid and having improved blow moldability and a blow molded product thereof. | 04-15-2010 |
| 20100093888 | POLYLACTIC ACID COMPOSITION - It is an object of the present invention to provide a polylactic acid composition having excellent crystallinity, wet heat stability and melt stability. It is another object of the present invention to provide a molded article which is obtained from the polylactic acid composition and excellent in appearance and color. The present invention is a composition and molded article thereof which comprises a polylactic acid (component A), a carbodiimide compound (component B) and a phosphoric acid ester metal salt (component C). | 04-15-2010 |
| 20100004362 | POLYLACTIC ACID FIBER AND MANUFACTURING METHOD THEREOF( as amended - An object of the present invention is to provide a fiber made of polylactic acid and having excellent strength, heat resistance and heat shrinkage resistance and a manufacturing method thereof. | 01-07-2010 |