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    • 1. 发明专利
    • Polylactic acid-based resin composition, molded product and method for producing the same
    • 基于聚氨酯的树脂组合物,模制产品及其生产方法
    • JP2007332164A
    • 2007-12-27
    • JP2004256508
    • 2004-09-03
    • Adeka CorpToyota Central Res & Dev Lab IncToyota Motor Corpトヨタ自動車株式会社株式会社Adeka株式会社豊田中央研究所
    • HIDA ETSUOKAWAMOTO HISAFUMIURUSHIBARA TAKESHISAITO HITOSHIOKUYAMA HISATSUGUKANAMORI KENJINAKANO MITSURUOKAMOTO HIROTAKA
    • C08L67/04B29C45/73B29C45/76B29K67/00C08K3/34C08K5/25C08L101/16
    • C08K5/25C08K3/34C08L67/04
    • PROBLEM TO BE SOLVED: To provide a polylactic acid-based resin composition affording a molded product having excellent heat resistance and impact strength with good moldability, to provide a heat-resistant polylactic acid-based resin molded product composed of the polylactic acid-based resin composition and to provide a method for producing the polylactic acid-based resin molded product.
      SOLUTION: The polylactic acid-based resin composition is obtained by compounding a polylactic acid with a dibasic acid bis(benzoic acid hydrazide) compound represented by general formula (I) (wherein, R represents a 1-12C alkylene group, an alkenylene group, a cycloalkylene group or an alkylene group having an ether bond; R
      1 , R
      2 , R
      3 and R
      4 represent each a hydrogen atom, a halogen atom, a 1-12C alkyl group, a cycloalkyl group, an aryl group, an arylalkyl group or an alkylaryl group or R
      1 and R
      2 and/or R
      3 and R
      4 are bound to form a 5- to an 8-membered ring). The method for producing the heat-resistant polylactic acid-based resin molded product comprises melting the polylactic acid-based resin composition, filling a metal mold of a molding machine set within the range of not higher than the crystallization starting temperature to not lower than the glass transition temperature with the molten polylactic acid-based resin composition and molding the composition while crystallizing the composition.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 解决问题的方案为了提供具有优异耐热性和冲击强度以及良好成型性的成型体的聚乳酸系树脂组合物,提供由聚乳酸组成的耐热性聚乳酸类树脂成型体 并提供聚乳酸类树脂成型体的制造方法。 聚乳酸类树脂组合物通过将聚乳酸与通式(I)表示的二元酸双(苯甲酸酰肼)化合物(其中,R表示1-12个亚烷基, 亚烯基,亚环烷基或具有醚键的亚烷基; R 1,R 2,R SP 3,R SP 3, 代表氢原子,卤素原子,1-12C烷基,环烷基,芳基,芳基烷基或烷基芳基,或者R > 2 和/或R 3 和R 4 结合形成5-至8-元环)。 制造耐热性聚乳酸类树脂成型体的方法包括使聚乳酸类树脂组合物熔融,将成型机的金属模填充在不高于结晶起始温度的范围内,成为不低于 玻璃化转变温度与熔融的聚乳酸类树脂组合物接触并在组合物结晶的同时模塑该组合物。 版权所有(C)2008,JPO&INPIT
    • 2. 发明专利
    • Polylactic acid composition
    • 聚乳酸组合物
    • JP2006265457A
    • 2006-10-05
    • JP2005088531
    • 2005-03-25
    • Toyota Central Res & Dev Lab Inc株式会社豊田中央研究所
    • OKAMOTO HIROTAKAKATAGIRI YOSHIHIDENAKANO MITSURUUSUKI ARIMITSU
    • C08L67/04C08K5/10C08L101/16
    • C08K5/10C08L67/04
    • PROBLEM TO BE SOLVED: To provide a polylactic acid composition which can provide great extensibility and flexibility so that a high degree of deformation, which is even greater than the state where the deformation is deviated from a linear behavior, can be conducted when stress is applied, and still has excellent delayed elasticity recovery characteristics that enables the recovery to almost the original shape after the elapse of a long time without rapid restoration of the shape when the stress is released after the deformation which is even greater than the state where the deformation is deviated from the linear behavior.
      SOLUTION: The polylactic acid composition comprises polylactic acid and an ester-based plasticizer wherein the content of the ester-based plasticizer is 16-33 wt.% and a residual deforming quantity measured at the time 0.2 minute after stress release is ≥66.7% and the residual deforming quantity measured at the time 240 hours after the stress release is ≤33.3%, provided that the stress is released after the stress is applied to produce the great deformation which is even greater than the state where the deformation is deviated from the linear behavior.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 待解决的问题:提供一种聚乳酸组合物,其能够提供大的延展性和柔软性,使得可以进行比变形偏离线性行为的状态高的变形的高度变形, 并且仍然具有优异的延迟弹性恢复特性,其能够在经过长时间后恢复到几乎原始形状,而在变形之后释放应力时不会快速恢复形状,这甚至大于 变形偏离线性行为。 聚乳酸组合物包含聚乳酸和酯系增塑剂,其中酯类增塑剂的含量为16-33重量%,并且在应力释放后0.2分钟测量的残余变形量≥ 66.7%,应力释放后240小时测得的残余变形量≤33.3%,条件是施加应力后应力释放,产生大的变形,甚至大于变形偏差的状态 从线性行为。 版权所有(C)2007,JPO&INPIT
    • 9. 发明专利
    • Aliphatic polyester composition and its molded item
    • 涤纶聚酯组合物及其成型品
    • JP2005029759A
    • 2005-02-03
    • JP2003273582
    • 2003-07-11
    • Toyota Central Res & Dev Lab Inc株式会社豊田中央研究所
    • OKAMOTO HIROTAKANAKANO MITSURUOUCHI MAKOTOUSUKI ARIMITSU
    • C08L67/00C08K3/34C08K9/04C08L101/16
    • PROBLEM TO BE SOLVED: To obtain an aliphatic polyester composition having sufficiently high impact resistance and exhibiting sufficiently suppressed thermal deterioration at the time of a heat treatment enough to assure excellent durability, and a molded item obtained by melt molding the same.
      SOLUTION: The aliphatic polyester composition comprises an aliphatic polyester, an unmodified natural rubber and an acrylic-modified natural rubber, where the total content of the unmodified natural rubber and the acrylic-modified natural rubber in the composition is 1-40 wt% and the content of the acrylic-modified natural rubber in the total amount of the unmodified natural rubber and the acrylic-modified natural rubber is 0.5-70 wt%.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题为了获得具有足够高的耐冲击性并且在热处理时充分抑制热劣化的脂肪族聚酯组合物,足以确保优异的耐久性,以及通过熔融模塑获得的模制品。 解决方案:脂族聚酯组合物包含脂族聚酯,未改性天然橡胶和丙烯酸改性天然橡胶,其中组合物中未改性天然橡胶和丙烯酸改性天然橡胶的总含量为1-40重量% %,未改性天然橡胶和丙烯酸改性天然橡胶的总量中丙烯酸改性天然橡胶的含量为0.5〜70重量%。 版权所有(C)2005,JPO&NCIPI