1.
    发明专利
    未知

    公开(公告)号:BRPI0717280A2

    公开(公告)日:2013-10-22

    申请号:BRPI0717280

    申请日:2007-10-11

    Applicant: KAO CORP

    Abstract: The invention relates to a biodegradable resin composition containing a biodegradable resin, a plasticizer and a crystal nucleus agent, the plasticizer being a compound containing two or more ester groups in the molecule thereof, wherein at least one alcohol component constituting the ester contains an alkylene oxide having 2 to 3 carbon atoms, added in the average amount of 0.5 to 5 moles per one hydroxyl group, and the crystal nucleus agent is a mixture of the following crystal nucleus agent (1) and crystal nucleus agent (2); the crystal nucleus agent (1) being the following crystal nucleus agent (1-1) or crystal nucleus agent (1-2): crystal nucleus agent (1-1): at least one selected from compounds having a hydroxyl group and an amide group in the molecule thereof; and crystal nucleus agent (1-2) : at least one selected from hydroxy fatty acid esters; crystal nucleus agent (2): at least one selected from a metal salt of phenylphosphonic acid, a metal salt of a phosphate, a metal salt of an aromatic dialkyl sulfonate, a metal salt of rosinic acids, an aromatic carboxylic acid amide, rosinic acid amide, carbohydrazides, N-substituted ureas, salts of melamine compounds and uracils.

    POLYLACTIC ACID RESIN COMPOSITION
    4.
    发明公开
    POLYLACTIC ACID RESIN COMPOSITION 审中-公开
    POLYMILCHSÄUREHARZZUSAMMENSETZUNG

    公开(公告)号:EP3029108A4

    公开(公告)日:2016-12-21

    申请号:EP14832746

    申请日:2014-07-29

    Applicant: KAO CORP

    Abstract: A polylactic acid resin composition containing (A) a polylactic acid resin, (B) a plasticizer, (C) an organic crystal nucleating agent, and (D) an acrylic/styrene copolymer having an epoxy group, wherein the above (B) plasticizer is an ester compound having two or more ester groups in the molecule, wherein the ester compound contains one or more members selected from the group consisting of an ester compound in which at least one kind of the alcohol component constituting the ester compound is an alcohol reacted with an alkylene oxide having from 2 to 3 carbon atoms in an amount of from 0.5 to 5 mol on average, per one hydroxyl group, and an ester compound represented by formula (I), and wherein the above (D) acrylic/styrene copolymer having an epoxy group is from 0.1 to 0.9 parts by mass, based on 100 parts by mass of (A) the polylactic acid resin. The polylactic acid resin composition of the present invention can be suitably used in various applications such as wrapping materials for food containers, daily sundries, and household electric appliances, trays for industrial parts, and the like.

    BIODEGRADABLE RESIN COMPOSITION
    5.
    发明公开

    公开(公告)号:EP2067822A4

    公开(公告)日:2011-05-18

    申请号:EP07830039

    申请日:2007-10-11

    Applicant: KAO CORP

    Abstract: The invention relates to a biodegradable resin composition containing a biodegradable resin, a plasticizer and a crystal nucleus agent, the plasticizer being a compound containing two or more ester groups in the molecule thereof, wherein at least one alcohol component constituting the ester contains an alkylene oxide having 2 to 3 carbon atoms, added in the average amount of 0.5 to 5 moles per one hydroxyl group, and the crystal nucleus agent is a mixture of the following crystal nucleus agent (1) and crystal nucleus agent (2); the crystal nucleus agent (1) being the following crystal nucleus agent (1-1) or crystal nucleus agent (1-2): crystal nucleus agent (1-1): at least one selected from compounds having a hydroxyl group and an amide group in the molecule thereof; and crystal nucleus agent (1-2) : at least one selected from hydroxy fatty acid esters; crystal nucleus agent (2): at least one selected from a metal salt of phenylphosphonic acid, a metal salt of a phosphate, a metal salt of an aromatic dialkyl sulfonate, a metal salt of rosinic acids, an aromatic carboxylic acid amide, rosinic acid amide, carbohydrazides, N-substituted ureas, salts of melamine compounds and uracils.

    POLYLACTIC ACID RESIN COMPOSITION

    公开(公告)号:EP2857454A4

    公开(公告)日:2016-01-20

    申请号:EP13797902

    申请日:2013-05-28

    Applicant: KAO CORP

    Abstract: A method for producing an injection-molded article of a poly lactic acid resin composition, including filling a melt-kneaded product of a polylactic acid resin composition containing a polylactic acid resin, a plasticizer containing a polyoxyalkylene group or an oxyalkylene group, and a mold releasing agent having a melting point of from 20° to 75°C in an injection-molding machine to mold in a die, wherein the method is characterized in that the above-mentioned injection-molding machine comprises a cylinder at least a part of which has a set temperature of 200°C or higher, that the die has a surface temperature of 85°C or higher, and that the die has a surface roughness of 1.0 µm or less. Since the molded article obtained by the method of the present invention has high productivity, and further excellent surface external appearance, the molded article can be used in various industrial applications such as daily sundries, household electric appliance parts, packaging materials for household electric appliance parts, and automobile parts.

    Method for producing polylactic acid resin composition
    8.
    发明专利
    Method for producing polylactic acid resin composition 有权
    生产聚酯酸树脂组合物的方法

    公开(公告)号:JP2012131072A

    公开(公告)日:2012-07-12

    申请号:JP2010283537

    申请日:2010-12-20

    Abstract: PROBLEM TO BE SOLVED: To obtain favorable flexibility and heat resistance in a polylactic acid resin composition.SOLUTION: In the method for producing the polylactic acid resin composition, a mixture containing the polylactic acid resin and surface-treated inorganic powder is kneaded by the use of the same direction-engaging biaxial extruder while conditions 1-3 are satisfied. The condition 1: a first temperature setting zone which is provided to include a range of at least 6.3D-13D mm from the central position of the raw material supply port of a barrel and in which the set temperature of the barrel is (Tm+50)-(Tm+80)°C, and a conveyance element is provided in a screw; and a second temperature setting zone which is provided to include a range after at least 19.3D mm and in which the set temperature of the barrel is (Tm-20)-(Tm+40)°C are provided. In the condition 2, in a range of 13D-20.9D mm, a first kneading part which has a length of 1D-4D mm and in which a kneading element is provided in the screw is provided. In the condition 3, in a range after 20.9D mm, a second kneading part which has a length of 1D-4D mm and in which a kneading element is provided in the screw is provided.

    Abstract translation: 要解决的问题:为了在聚乳酸树脂组合物中获得良好的柔性和耐热性。 解决方案:在制备聚乳酸树脂组合物的方法中,通过使用相同方向接合的双轴挤出机将含有聚乳酸树脂和表面处理的无机粉末的混合物捏合,同时满足条件1-3。 条件1:第一温度设定区域,其设置为包括距桶的原料供给口的中心位置至少6.3D-13Dmm的范围,其中筒的设定温度为(Tm + 50) - (Tm + 80)℃,输送元件设置在螺钉中; 以及第二温度设定区,其设置为包括在至少19.3Dmm之后的范围,并且其中筒的设定温度为(Tm-20) - (Tm + 40)℃。 在条件2中,在13D-20.9Dmm的范围内,设置长度为1D-4Dmm的第一捏合部,并且在螺杆中设置有捏合元件。 在条件3中,在20.9Dmm之后的范围内,设置长度为1D-4Dmm的第二捏合部,其中在螺杆中设置有捏合元件。 版权所有(C)2012,JPO&INPIT

    Polylactic acid resin composition
    9.
    发明专利
    Polylactic acid resin composition 有权
    聚酸树脂组合物

    公开(公告)号:JP2009132814A

    公开(公告)日:2009-06-18

    申请号:JP2007310459

    申请日:2007-11-30

    Abstract: PROBLEM TO BE SOLVED: To provide a polylactic acid resin composition and a polylactic acid resin molded body having excellent heat resistance and mechanical strength and further having flexibility. SOLUTION: The polylactic acid resin composition includes a polylactic acid resin, a plasticizer and organic synthetic fibers, wherein the organic synthetic fibers are aromatic polyamide fibers and the plasticizer is a compound represented by the general formula (1): A-(B) b , wherein A is a 1-10C di- to decavalent aliphatic hydrocarbon group; b is an integer of 2-10, provided that ((carbon number of A)-b)≤4; and B denotes -COO-(R 1 O) c -R 2 or -(OR 3 ) d -OCO-R 4 (R 1 and R 3 are each a 2-4C alkylene group, c and d are each a number of 0.5-5, and R 2 and R 4 are each a 1-4C hydrocarbon group or H). The polylactic acid resin molded body is obtained by molding the polylactic acid resin composition. COPYRIGHT: (C)2009,JPO&INPIT

    Abstract translation: 解决的问题:提供具有优异的耐热性和机械强度并且还具有柔性的聚乳酸树脂组合物和聚乳酸树脂成型体。 解决方案:聚乳酸树脂组合物包括聚乳酸树脂,增塑剂和有机合成纤维,其中有机合成纤维是芳族聚酰胺纤维,增塑剂是由通式(1)表示的化合物:A-( B) b 其中A是1-10C的二价至十价脂肪族烃基; b是2-10的整数,条件是((A的碳数)-b)≤4; 和B表示-COO-(R 1 SP 1),或者 - (OR 3) SB> d -OCO-R 4 和R 3 分别是2-4C亚烷基,c和 d分别为0.5-5,R 2 和R 4 分别为1-4C烃基或H)。 聚乳酸树脂成型体通过成型聚乳酸树脂组合物而得到。 版权所有(C)2009,JPO&INPIT

    Manufacturing method of injection-molded article of polylactic acid resin
    10.
    发明专利
    Manufacturing method of injection-molded article of polylactic acid resin 有权
    聚酰胺树脂注射成型制品的制造方法

    公开(公告)号:JP2009083485A

    公开(公告)日:2009-04-23

    申请号:JP2008235259

    申请日:2008-09-12

    CPC classification number: Y02P20/544

    Abstract: PROBLEM TO BE SOLVED: To provide a manufacturing method capable of efficiently obtaining an injection-molded article of polylactic acid resin excellent in heat resistance with excellent molding performance even without plasticizer.
    SOLUTION: The manufacturing method of injection-molded article of polylactic acid resin comprises the following process (1) and process (2). In the process (1), a polylactic acid resin composition including a polylactic acid resin and an organic crystal nucleating agent comprising phenyl phosphonic acid metal salt is meltingly kneaded while being brought into contact with a supercritical fluid. In the process (2), a molten material obtained in the process (1) is charged into a mold and to injection-mold.
    COPYRIGHT: (C)2009,JPO&INPIT

    Abstract translation: 解决问题:提供即使不含增塑剂,也能够以优异的成型性能有效地获得耐热性优异的聚乳酸树脂的注射成型体的制造方法。 解决方案:聚乳酸树脂注塑制品的制造方法包括以下方法(1)和方法(2)。 在方法(1)中,将包含聚乳酸树脂和包含苯基膦酸金属盐的有机晶体成核剂的聚乳酸树脂组合物在与超临界流体接触的同时进行熔融捏合。 在方法(2)中,将在方法(1)中获得的熔融材料装入模具中并注塑成型。 版权所有(C)2009,JPO&INPIT

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