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    • 1. 发明申请
    • Biodegradable Resin Composition
    • 可生物降解树脂组合物
    • US20080262150A1
    • 2008-10-23
    • US11596294
    • 2005-05-10
    • Akira TakenakaShogo Nomoto
    • Akira TakenakaShogo Nomoto
    • C08L73/00
    • C08K5/0016C08J3/201C08J2300/16C08J2367/04C08K5/0008C08K5/0083C08L2201/06C08L67/04C08L101/16
    • The present invention relates to a method of producing a biodegradable resin composition, which includes step (1) of mixing a biodegradable resin, a plasticizer and a crystal nucleating agent with one another at the melting point (Tm) of the biodegradable resin or more, wherein the crystal nucleating agent is an aliphatic compound having, in its molecule, two or more of at least one group selected from an ester group a hydroxyl group and an amide group, and step (2) of thermally treating the resulting biodegradable resin composition at a temperature of from the glass transition temperature (Tg) to less than Tm of the composition, as well as a biodegradable resin composition, which contains a biodegradable resin, a plasticizer, and the above crystal nucleating agent, and which satisfies the following conditions: the haze thereof with a thickness of 0.5 mm after thermal treatment at 60° C. for 36 or 60 hours is 20% or less; the storage elastic modulus (E′) at a temperature of 25° C. and a frequency of 50 Hz is 1×108 to 2×109 Pa; and the storage elastic modulus (E′) at a temperature of 60° C. and a frequency of 50 Hz is 1×107 to 1×109 Pa.
    • 生物降解性树脂组合物的制造方法技术领域本发明涉及一种生物降解性树脂组合物的制造方法,其包括在生物降解性树脂的熔点(Tm)以下使生物降解性树脂,增塑剂和结晶成核剂彼此混合的工序(1) 其中所述晶体成核剂是在其分子中具有选自羟基和酰胺基的酯基中的至少一种的两种以上的脂肪族化合物,以及将所得到的生物降解性树脂组合物热处理的工序(2) 由组合物的玻璃化转变温度(Tg)至小于Tm的温度,以及含有生物可降解树脂,增塑剂和上述结晶成核剂的生物降解性树脂组合物,其满足以下条件: 在60℃下热处理36小时或60小时后其厚度为0.5mm的雾度为20%以下; 在25℃的温度和50Hz的频率下的储能弹性模量(E')为1×10 8至2×10 9 Pa; 并且在60℃的温度和50Hz的频率下的储能弹性模量(E')为1×10 7至1×10 9 Pa。
    • 2. 发明授权
    • Biodegradable resin composition
    • 生物降解树脂组合物
    • US07652085B2
    • 2010-01-26
    • US11596294
    • 2005-05-10
    • Akira TakenakaShogo Nomoto
    • Akira TakenakaShogo Nomoto
    • C08K5/103
    • C08K5/0016C08J3/201C08J2300/16C08J2367/04C08K5/0008C08K5/0083C08L2201/06C08L67/04C08L101/16
    • The present invention relates to a method of producing a biodegradable resin composition, which includes step (1) of mixing a biodegradable resin, a plasticizer, and a crystal nucleating agent with one another at the melting point (Tm) of the biodegradable resin or more, wherein the crystal nucleating agent is an aliphatic compound having, in its molecule, two or more of at least one group selected from an ester group, a hydroxyl group and an amide group, and step (2) of thermally treating the resulting biodegradable resin composition at a temperature of from the glass transition temperature (Tg) to less than Tm of the composition, as well as a biodegradable resin composition, which contains a biodegradable resin, a plasticizer, and the above crystal nucleating agent, and which satisfies the following conditions: the haze thereof with a thickness of 0.5 mm after thermal treatment at 60° C. for 36 or 60 hours is 20% or less; the storage elastic modulus (E′) at a temperature of 25° C. and a frequency of 50 Hz is 1×108 to 2×109 Pa; and the storage elastic modulus (E′) at a temperature of 60° C. and a frequency of 50 Hz is 1×107 to 1×109 Pa.
    • 生物降解性树脂组合物的制造方法技术领域本发明涉及一种生物降解性树脂组合物的制造方法,其包括将生物降解性树脂,增塑剂和结晶成核剂在生物降解性树脂的熔点(Tm)以下进行混合的工序(1) 其中,所述结晶成核剂为在分子中具有选自酯基,羟基和酰胺基中的至少一种的2种以上的脂肪族化合物,和对所得生物降解性树脂进行热处理的工序(2) 在组合物的玻璃化转变温度(Tg)至小于Tm的温度下的组成以及包含可生物降解树脂,增塑剂和上述晶体成核剂的可生物降解的树脂组合物,其满足以下 条件:在60℃热处理36或60小时后,其雾度为0.5mm,为20%以下; 在25℃的温度和50Hz的频率下的储能弹性模量(E')为1×10 8至2×10 9 Pa; 并且在60℃的温度和50Hz的频率下的储能弹性模量(E')为1×10 7至1×10 9 Pa。
    • 7. 发明授权
    • Method for promoting crystallization of biodegradable resin composition
    • 促进生物降解性树脂组合物结晶的方法
    • US08455579B2
    • 2013-06-04
    • US13256974
    • 2010-03-16
    • Hiroki SawadaShogo Nomoto
    • Hiroki SawadaShogo Nomoto
    • C08K5/20
    • C08K5/0083C08J3/201C08J2300/16C08J2367/04C08K5/20C08L67/04
    • A method for promoting crystallization of a biodegradable resin composition, including the step of melt-kneading a raw material containing ethylenebis 12-hydroxystearic amide having an amine value of 1.0 mg KOH/g or less and a biodegradable resin. Since the biodegradable resin composition obtainable by the method for promoting crystallization of the present invention has favorable crystallization velocity, a time period required upon molding the composition is shortened, whereby a molded article can be produced productively. The biodegradable resin composition can be suitably used in, for example, in various industrial applications, such as daily sundries, household electric appliance parts, and automobile parts.
    • 一种促进生物降解性树脂组合物的结晶化的方法,包括熔融捏合含有胺值为1.0mgKOH / g以下的亚乙基双12-羟基硬脂酰胺的原料和生物降解性树脂的工序。 由于通过本发明的促进结晶的方法获得的生物降解性树脂组合物具有良好的结晶速度,因此缩短了组合物成型所需的时间,从而可以有效地制造成型品。 生物降解性树脂组合物可以适用于例如日用杂物,家用电器零件,汽车部件等各种工业用途。