Patent application number | Description | Published |
20100004412 | METHOD FOR PREPARING POLYMER BY PRECIPITATION POLYMERIZATION - The present invention provides a method for preparing a polymer by precipitation polymerization, comprising the steps of mixing an antisolvent a), a monomer b), and a catalyst c), and while polymerizing the monomers, simultaneously precipitating a polymer formed by the monomers b) in a solid phase. | 01-07-2010 |
20110281048 | RESIN COMPOSITION FOR DISPOSAL RESIN MOLDED PRODUCT, AND DISPOSAL RESIN MOLDED PRODUCT - Disclosed is a resin composition for disposable resin molded product, and a disposable resin molded product that enables preparation of a disposable resin molded product not only maintaining excellent mechanical properties but also having biodegradability entailing an environment-friendly feature. The resin composition for disposable resin molded product comprises a polyalkylene carbonate resin. | 11-17-2011 |
20120016101 | POLYLACTIDE RESIN AND PREPARATION METHOD THEREOF - The present invention is directed to an organometallic complex and a catalyst composition capable of producing polylactide resins with improved properties at a higher conversion rate, a method of producing the organometallic complex, polylactide resins having enhanced hydrolysis resistance and heat resistance together with superior mechanical properties, a preparation process therefor, and polylactide resin compositions including the same. | 01-19-2012 |
20130066024 | POLYSILOXANE-POLYLACTIDE BLOCK COPOLYMER AND PREPARATION METHOD THEREOF - The present invention relates to a polysiloxane-polylactide block copolymer and a preparation method thereof, in which the polysiloxane-polylactide block copolymer has improved impact resistance and flexibility, compared to the conventional polylactide resins and can be prepared by ring-opening polymerization of lactide monomers in the presence of a polymerization initiator of polysiloxane. | 03-14-2013 |
20130079547 | METHOD FOR PREPARING ALKYL LACTATE AND A METHOD FOR PREPARING LACTAMIDE USING THE SAME - This disclosure relates to a method for preparing alkyl lactate with high yield and high selectivity, comprising the step of reacting glycerol with water or alcohol in the presence of a catalyst. | 03-28-2013 |
20130090451 | POLYLACTIDE RESIN HAVING EXCELLENT HEAT RESISTANCE AND PREPARATION METHOD THEREOF - The present invention relates to a polylactide resin having excellent heat resistance, a preparation method thereof, and a polylactide resin composition including the same. | 04-11-2013 |
20130317181 | POLYSILOXANE-POLYLACTIDE BLOCK COPOLYMER AND PREPARATION METHOD THEREOF - The present invention relates to a polysiloxane-polylactide block copolymer and a preparation method thereof, in which the polysiloxane-polylactide block copolymer has improved impact resistance and flexibility, compared to the conventional polylactide resins and can be prepared by ring-opening polymerization of lactide monomers in the presence of a polymerization initiator of polysiloxane. | 11-28-2013 |
20140018515 | POLYLACTIDE RESIN AND PREPARATION METHOD THEREOF - The present invention is directed to an organometallic complex and a catalyst composition capable of producing polylactide resins with improved properties at a higher conversion rate, a method of producing the organometallic complex, polylactide resins having enhanced hydrolysis resistance and heat resistance together with superior mechanical properties, a preparation process therefore, and polylactide resin compositions including the same. | 01-16-2014 |
20140018516 | POLYLACTIDE RESIN AND PREPARATION METHOD THEREOF - The present invention is directed to an organometallic complex and a catalyst composition capable of producing polylactide resins with improved properties at a higher conversion rate, a method of producing the organometallic complex, polylactide resins having enhanced hydrolysis resistance and heat resistance together with superior mechanical properties, a preparation process therefor, and polylactide resin compositions including the same. | 01-16-2014 |
20140066645 | POLYLACTIDE RESIN AND PREPARATION METHOD THEREOF - The present invention is directed to an organometallic complex and a catalyst composition capable of producing polylactide resins with improved properties at a higher conversion rate, a method of producing the organometallic complex, polylactide resins having enhanced hydrolysis resistance and heat resistance together with superior mechanical properties, a preparation process therefor, and polylactide resin compositions including the same. | 03-06-2014 |
20140154489 | PACKAGING FILM INCLUDING A LACTIDE COPOLYMER - The present invention relates to a packaging film including a lactide copolymer having no problem of pollution or toxicity while having good flexibility in addition to excellent properties such as mechanical properties, transparency, and processability, and preferably being applicable to food packaging. The packaging film includes a lactide copolymer including two or more specific block copolymerized repeating units that the hard segments of polylactide repeating units are connected to both ends of the soft segments of polyether polyol repeating unit, wherein the block copolymerized repeating units are connected to each other through the intermediation of urethane connecting groups derived from polyvalent isocyanate compound of which the average equivalent of isocyanate group per a molecule is more than 2 and less than 3. | 06-05-2014 |
20140163178 | LACTIDE COPOLYMER, A PREPARATION METHOD THEREOF, AND A RESIN COMPOSITION INCLUDING THE SAME - The present invention relates to a lactide copolymer having good flexibility in addition to excellent properties such as mechanical properties and processability and preferably being applicable as a packaging material, a preparation method thereof, and a resin composition including the same. The lactide copolymer includes two or more specific block copolymerized repeating units that the hard segments of polylactide repeating units are connected to both ends of the soft segments of polyether polyol repeating unit, and the block copolymerized repeating units are connected to each other through the intermediation of urethane connecting groups derived from polyvalent isocyanate compound of which the average equivalent of isocyanate group per a molecule is more than 2 and less than 3. | 06-12-2014 |
20140206834 | POLYLACTIDE RESIN HAVING EXCELLENT HEAT RESISTANCE AND PREPARATION METHOD THEREOF - The present invention relates to a polylactide resin having excellent heat resistance, a preparation method thereof, and a polylactide resin composition including the same. | 07-24-2014 |
20140213752 | PREPARATION METHOD OF POLYLACTIDE RESIN - The present invention relates to a preparation method of a polylactide resin, in which the preparation method includes the step of performing ring opening polymerization of lactide monomers in the presence of an organometallic catalyst and an aromatic monomer scavenger, and the aromatic monomer scavenger is used in an amount of 0.1 to 20 parts by weight, based on 100 parts by weight of the lactide monomers. | 07-31-2014 |