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公开(公告)号：KR1020140081985A
公开(公告)日：2014-07-02
申请号：KR1020120150555
申请日：2012-12-21
Applicant: 도레이첨단소재 주식회사
CPC classification number: B32B27/08 , B32B27/308 , B32B27/36 , B32B2250/40 , B32B2270/00 , B32B2307/306 , B32B2307/558 , B32B2333/12 , B32B2439/00
Abstract: The present invention relates to a polylactic acid multilayer sheet and a method for producing the same. The polylactic acid multilayer sheet is used for general food and industrial packing cases and blisters requiring shock resistance and heat resistance. Polylactic acid (PLA) raw material derived from plant resources is used as a main material, and collected raw materials, PMMA-based raw materials, and acrylic raw materials are used, so that heat resistance and shock resistance are improved. The polylactic acid multilayer sheet having excellent heat resistance and shock resistance using collected raw materials has an inner layer (A) and an outer layer (B). The inner layer (A) consists of polylactic acid and collected raw materials. The outer layer (B) includes a PLA-based multilayer sheet having a three-layer (B/A/B) structure consisting of a mixture mixed with polylactic acid, with one or more polymethyl methacylate (PMMA) compounds selected from PMMA single polymers or copolymers, and with an acrylic resin. The polylactic acid multilayer sheet having excellent heat resistance and shock resistance using collected raw materials of the present invention is a multilayer sheet provided at low cost by effectively using collected raw material so as to exhibit heat resistance, shock resistance, and transparency as a sheet which is appropriate for general industry, so that the sheet has excellent industrial value.
Abstract translation: 聚乳酸多层片及其制造方法技术领域本发明涉及聚乳酸多层片及其制造方法。 聚乳酸多层片用于一般的食品和工业包装箱以及需要耐冲击性和耐热性的泡罩。 以植物资源为原料的聚乳酸（PLA）原料作为主要材料，采用原料，PMMA原料和丙烯酸原料，提高耐热性和抗冲击性。 使用收集的原料具有优异的耐热性和耐冲击性的聚乳酸多层片材具有内层（A）和外层（B）。 内层（A）由聚乳酸和收集的原料组成。 外层（B）包括具有由聚乳酸混合的三层（B / A / B）结构与一种或多种选自PMMA单聚合物的聚甲基丙烯酸甲酯（PMMA）化合物的PLA基多层片材 或共聚物，和丙烯酸树脂。 使用本发明的收集的原料具有优异的耐热性和耐冲击性的聚乳酸多层片材是通过有效地使用收集的原料以低成本提供的多层片材，以便表现出耐热性，抗冲击性和透明性， 适合一般工业，使该板材具有很好的工业价值。
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公开(公告)号：KR1020130049371A
公开(公告)日：2013-05-14
申请号：KR1020110114363
申请日：2011-11-04
Applicant: 도레이첨단소재 주식회사
Abstract: PURPOSE: A polylactic acid family multilayer sheet which has excellent impact resistance and thermal resistance and a manufacturing method thereof are provided to hold impact resistance and thermal resistance simultaneously with environmental friendliness. CONSTITUTION: A polylactic acid family multilayer sheet which has excellent impact resistance and thermal resistance comprises an inner layer(A) and an outer layer(B). The inner layer of the polylactic acid family multilayer sheet is composed of polylactic acid. The outer layer of the polylactic acid family multilayer sheet is a three-layer structure(B/A/B) which is composed of at least one mixture of polymethyl methacrylate and acrylic resin which are selected among polymethyl methacrylate group(PMMA) homopolymer, or a copolymer. A content of the polylactic acid among the entire contents of the outer layer is 10.0-25.0 parts by weight. A content of at least one polymethyl methacrylate which is selected from a polymethyl methacrylate group homopolymer or a copolymer is 50.0-80.0 parts by weight. A content of the acrylic resin is 10.0-25.0 parts by weight.
Abstract translation: 目的：提供耐冲击性和耐热性优异的聚乳酸系多层片及其制造方法，以与环境友好性同时保持耐冲击性和耐热性。 构成：具有优异的耐冲击性和耐热性的聚乳酸族多层片材包括内层（A）和外层（B）。 聚乳酸族多层片材的内层由聚乳酸构成。 聚乳酸族多层片材的外层是由聚甲基丙烯酸甲酯基（PMMA）均聚物或聚甲基丙烯酸甲酯组（PMMA）均聚物中的至少一种聚甲基丙烯酸甲酯和丙烯酸树脂的混合物构成的三层结构体（B / A / B） 共聚物。 外层的全部含量中的聚乳酸的含量为10.0〜25.0重量份。 至少一种选自聚甲基丙烯酸甲酯基团均聚物或共聚物的聚甲基丙烯酸甲酯的含量为50.0-80.0重量份。 丙烯酸树脂的含量为10.0〜25.0重量份。
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公开(公告)号：KR1020120082565A
公开(公告)日：2012-07-24
申请号：KR1020110003909
申请日：2011-01-14
Applicant: 도레이첨단소재 주식회사
CPC classification number: Y02W90/12 , Y02W90/13 , B32B27/08 , B32B27/308 , B32B27/36 , B32B2307/306 , B32B2307/7163 , B32B2439/70 , B65D65/40
Abstract: PURPOSE: A polylactic acid based multilayer sheet, and a packaging case using thereof are provided to offer the improved physical properties of the multilayer sheet including impact resistance and heat resistance to users. CONSTITUTION: A polylactic acid based multilayer sheet includes the following: an inner layer formed with 80-98 parts of polylactic acid by weight and 2-20 parts of shock resistance agent by weight; and an outer layer formed into three stages produced with 85-100 parts of polymethyl methacrylate(PMMA) resin by weight and less than 15 parts of shock resistance agent by weight. The polylactic acid is formed with L-lactic acid, D-lactic acid, or L,D- lactic acid. The shock resistance agent is selected from the group consisting of aliphatic polyester, aromatic-aliphatic polyester, a polylactic acid copolymer, and an acryl group buffering agent.
Abstract translation: 目的：提供聚乳酸类多层片材及其使用的包装盒，以提供具有耐冲击性和耐热性的多层片材的改善的物理性能。 构成：聚乳酸类多层片材具有以下物质：由重量百分比为80-98份的聚乳酸和2-20重量份抗冲击剂形成的内层; 以及由85-100重量份聚甲基丙烯酸甲酯（PMMA）树脂制成的三个阶段的外层，其重量小于抗冲击剂的15份。 聚乳酸由L-乳酸，D-乳酸或L，D-乳酸形成。 抗冲击剂选自脂肪族聚酯，芳香族 - 脂肪族聚酯，聚乳酸共聚物和丙烯酸类缓冲剂。
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公开(公告)号：KR1020110083059A
公开(公告)日：2011-07-20
申请号：KR1020100003072
申请日：2010-01-13
Applicant: 도레이첨단소재 주식회사
Abstract: PURPOSE: A biodegradable sheet is provided to improve mechanical strength, impact strength and thermal stability while ensuring excellent biodegradability and transparency. CONSTITUTION: A biodegradable sheet is prepared from a composition in which the content of polylactic acids is 70.1-90.0 parts by weight, the content of polypropylene resins is 10.0-25.0 parts by weight, and the content of modified polypropylene resins is 1.0-10.0 parts by weight. The polylactic acid includes L-lactic acids, D-lactic acids or L,D-lactic acids. The number average molecular weight is 10,000 or greater. The polypropylene resin is a propylene homopolymer or a block of C2-18 α-olefin and propylene or propylene formed of irregular copolymers.
Abstract translation: 目的：提供可生物降解的片材，以提高机械强度，冲击强度和热稳定性，同时确保优异的生物降解性和透明度。 构成：由聚乳酸含量为70.1〜90.0重量份，聚丙烯树脂的含量为10.0〜25.0重量份，改性聚丙烯树脂的含量为1.0〜10.0份的组合物制成生物降解性片材 重量。 聚乳酸包括L-乳酸，D-乳酸或L，D-乳酸。 数均分子量为10,000以上。 聚丙烯树脂是由不规则共聚物形成的丙烯均聚物或C 2-18α-烯烃和丙烯或丙烯的嵌段。
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公开(公告)号：KR100952543B1
公开(公告)日：2010-04-12
申请号：KR1020080042340
申请日：2008-05-07
Applicant: 도레이첨단소재 주식회사
Abstract: 본 발명은 슬립성이 우수한 다층 시트에 관한 것으로, 본 발명의 다층 시트는 지방족 폴리에스테르 또는 방향족-지방족 폴리에스테르 또는 폴리유산 공중합체에서 선택된 하나 이상과 폴리유산으로 이루어지는 조성물로 내층(A)을 형성하고, 슬립성을 부여하는 제제 또는 안티-블럭킹 특성(anti-blocking) 특성을 부여하는 제제에서 선택된 하나 이상을 포함하는 폴리유산으로 이루어진 조성물로 표층(B)을 형성하도록 설계된 것임을 특징으로 한다.
상기와 같이 구성되는 본 발명의 슬립성이 개선된 다층 시트는 시트의 층 비와 각 층별 조성을 조절하여 투명성, 내충격성, 슬립성, 안티-블럭킹 특성을 갖춘 다층 시트를 제공하여, 인쇄성이 요구되는 각종 블리스터 및 포장 박스 분야에서 기존의 합성플라스틱 재질의 대체를 가능하게 하며, 사용이 완료된 후 일반적인 퇴비조건에서 생분해가 이루어져 환경 친화적일 뿐 아니라, 산업적인 측면에서 실용성이 매우 큰 다층 시트를 제공하는 것이다.
다층시트, 폴리유산, 투명성, 내충격성, 슬립성, 생분해성.-
Patent Agency Ranking
公开(公告)号：KR1020090116419A
公开(公告)日：2009-11-11
申请号：KR1020080042340
申请日：2008-05-07
Applicant: 도레이첨단소재 주식회사
Abstract: PURPOSE: A multilayered sheet having good slip property is provided to replace a synthetic plastic material used in various blisters and packing box fields which are formed with printing property, and to prevent a coating problem due to low heat resistance. CONSTITUTION: A multilayered sheet having good slip property includes an inner layer and a superficial layer. The inner layer is formed with a composition having one or more selected from aliphatic polyester, or aromatic-aliphatic polyester, or polylactic acid copolymer and polylactic acid. The superficial layer is formed with the composition made of the polylactic acid. The multilayered sheet has the inner layer of 90.0~60.0 parts by weight and the superficial layer of 10.0~40.0 parts by weight.
Abstract translation: 目的：提供具有良好滑动性的多层片材，以代替形成有印刷性能的各种泡罩和包装盒领域中使用的合成塑料材料，并且防止由于低耐热性引起的涂布问题。 构成：具有良好滑动性的多层片材包括内层和表面层。 内层由具有选自脂族聚酯或芳族 - 脂肪族聚酯或聚乳酸共聚物和聚乳酸中的一种或多种的组合物形成。 表层由聚乳酸组成的组合物形成。 多层片的内层为90.0〜60.0重量份，表面层为10.0〜40.0重量份。
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公开(公告)号：KR1020090069636A
公开(公告)日：2009-07-01
申请号：KR1020070137361
申请日：2007-12-26
Applicant: 도레이첨단소재 주식회사
Abstract: A polylactic acid-based antistatic biodegradable sheet is provided to ensure excellent antistatic function, to prevent an anti-static layer from being separated or dissolved when washing with water and alcohol, and to secure excellent transparency, releasability and anti-fouling function. A polylactic acid-based antistatic biodegradable sheet with excellent transparency includes a molded sheet and an anti-static layer formed on one surface or both surfaces of the molded sheet. The molded sheet comprises a polylactic acid or polylactic acid 99.9-90.0 parts by weight and aliphatic polyester or aromatic-aliphatic polyester 0.1-10.0 parts by weight. The antistatic coating solution of the anti-static layer is formed in the amount of 0.01-1 g/m^2.
Abstract translation: 提供聚乳酸类抗静电生物降解片，以确保优异的抗静电功能，防止在用水和醇洗涤时防静电层分离或溶解，并确保优异的透明性，脱模性和防污功能。 具有优异透明性的聚乳酸类抗静电生物降解性片材包括在成型片材的一面或两面形成的成型片和防静电层。 成型片材包含99.9-90.0重量份的聚乳酸或聚乳酸，0.1-10.0重量份的脂肪族聚酯或芳香族 - 脂肪族聚酯。 抗静电层的抗静电涂层溶液的形成量为0.01-1g / m 2。
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公开(公告)号：KR1020060003580A
公开(公告)日：2006-01-11
申请号：KR1020040052511
申请日：2004-07-07
Applicant: 도레이첨단소재 주식회사
CPC classification number: C08L67/04 , C08K3/346 , C08K2201/011 , C08L67/02
Abstract: 본 발명은 방향족-지방족 폴리에스테르 수지에 나노입자를 글리콜류에 분산 혼합하여 축중합반응을 실시한 것에 대하여 폴리유산을 혼합시킴으로써 생분해성 폴리에스테르 수지 조성물을 제공한다. 나노입자의 표면은 다양한 삽입제 (Intercalant)로 개질할 수 있다. 또한, 수지 조성물의 2차 가공성을 향상하기 위해 가소제, 핵제, 블로킹 방지제(antiblocking agent), 가교제 등을 첨가하여 필름, 섬유, 성형체 등의 용도에 적용할 수 있다.
방향족-지방족 폴리에스테르, 폴리유산, 나노입자, 생분해성-
公开(公告)号：KR100537948B1
公开(公告)日：2005-12-20
申请号：KR1020030039905
申请日：2003-06-19
Applicant: 도레이첨단소재 주식회사
IPC: C08L67/04
Abstract: 본 발명은 기계적 강도와 투명성이 우수한 생분해 수지인 폴리유산에 유연성과 수지간 상용성을 향상시키기는 동시에 기계적강도와 투명성을 크게 저하시키지 않게 하기위해 방향족-지방족 폴리에스테르 수지와 가격이 저렴하고 가공성과 물성이 우수한 폴리올레핀계 수지를 혼합한 조성물에 관한 것이다.
본 발명의 수지조성물은 폴리유산 30~70중량부와 방향족-지방족 폴리에스테르 70~30중량부, 그리고 상기 혼합 조성물 100중량부에 대해 폴리올레핀 수지 10~300중량부로 구성되고, 상기 방향족-지방족 폴리에스테르는 방향족 함량이 10~30몰%로 이루어진 것을 특징으로 한다. -
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