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公开(公告)号：KR1020120122815A
公开(公告)日：2012-11-07
申请号：KR1020110041198
申请日：2011-04-29
Applicant: 한국생산기술연구원 , 한국기술교육대학교 산학협력단
Abstract: PURPOSE: An environment-friendly polylactic acid composition is provided to have biodegradability, excellent impact resistance, and high flexural modulus and thermal deformation temperature. CONSTITUTION: An environment-friendly polylactic acid composition comprises 100.0 parts by weight of poly lactic acid which comprises 40-93 weight% of polylactic acid of L-optical isomer and 3-60 weight% of polylactic acid of D-optical isomer, 3-30 parts by weight of one or more copolymers selected from an acryl-based copolymer and reactive acrylic copolymer, and 1-20 parts by weight of organically surface-treated phyllite powder. The average particle size of the organically surface-treated phyllite powder is 0.5-500 micron. The polylactic acid composition additionally comprises 3-30 parts by weight of impact-reinforcing agent.
Abstract translation: 目的：提供环保型聚乳酸组合物具有生物降解性，优异的抗冲击性和高弯曲模量和热变形温度。 构成：环保聚乳酸组合物包含100.0重量份的聚乳酸，其包含40-93重量％的L-旋光异构体的聚乳酸和3-60重量％的D-旋光异构体的聚乳酸，3- 30重量份选自丙烯酸类共聚物和反应性丙烯酸共聚物的一种或多种共聚物和1-20重量份有机表面处理的千粒子粉末。 有机表面处理的千枚岩粉末的平均粒径为0.5-500微米。 聚乳酸组合物另外包含3-30重量份的冲击增强剂。
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公开(公告)号：KR1020120129500A
公开(公告)日：2012-11-28
申请号：KR1020110047790
申请日：2011-05-20
Applicant: 한국생산기술연구원
Abstract: PURPOSE: An environment-friendly polylactic acid composition is provided to have high crystallization rate while having excellent Izod impact strength and flexural elasticity. CONSTITUTION: A polylactic composition comprises 100.0 parts by weight of polylactic acid, 0.1-10 parts by weight of organized surface-treated phyllite powder, and 0.1-10 parts by weight of carbon nanotubes. The average particle size of the phyllite powder is 0.5-500 micron. A manufacturing method of the polylactic acid composition comprises: a step of mixing polylactic acid, organized surface-treated phyllite powder and carbon nanotubes in solid state; and a step of melting and stirring the mixed polylactic acid, phyllite powder, and carbon nanotubes.
Abstract translation: 目的：提供环境友好的聚乳酸组合物，具有高结晶速率，同时具有优异的艾佐德冲击强度和挠曲弹性。 构成：聚乳酸组合物包含100.0重量份的聚乳酸，0.1-10重量份的有机表面处理的千枚岩粉末和0.1-10重量份的碳纳米管。 千粒子粉末的平均粒径为0.5-500微米。 聚乳酸组合物的制造方法包括：将聚乳酸，有机表面处理的千枚岩粉末和固体状碳纳米管混合的工序; 以及熔融搅拌混合的聚乳酸，千粒子粉末和碳纳米管的步骤。
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公开(公告)号：KR101259885B1
公开(公告)日：2013-05-02
申请号：KR1020110041198
申请日：2011-04-29
Applicant: 한국생산기술연구원 , 한국기술교육대학교 산학협력단
Abstract: 본발명은 L-광학이성질체의폴리유산 40 내지 93중량% 및 D-광학이성질체의폴리유산 3 내지 60중량%를포함하는폴리유산 100중량부; 아크릴계공중합체및 반응성아크릴계공중합체중에서선택된 1종이상의공중합체 3 내지 30중량부; 유기화표면처리된천매암분말 1 내지 20중량부;를포함하는환경친화성폴리유산조성물에관한것으로서, 생분해성으로환경친화적이고, 내충격성이개선되며, 열변형온도가높은폴리유산조성물을제공할수 있다.
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公开(公告)号：KR101244812B1
公开(公告)日：2013-03-18
申请号：KR1020110047790
申请日：2011-05-20
Applicant: 한국생산기술연구원
Abstract: 본 발명은 폴리유산 100중량부; 유기화 표면처리된 천매암 분말 0.1 내지 10중량부; 및 탄소나노튜브 0.1 내지 10중량부;를 포함하는 폴리유산 조성물에 관한 것으로서, 아이조드 충격강도 및 굴곡 탄성률 등 기계적 성질이 우수하면서도 결정화속도가 빠른 폴리유산 조성물을 제공할 수 있다.
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