Aqueous dispersion of biodegradable polyester and process for preparing the same
    21.
    发明授权
    Aqueous dispersion of biodegradable polyester and process for preparing the same 有权
    生物降解聚酯的水分散体及其制备方法

    公开(公告)号:US07491754B2

    公开(公告)日:2009-02-17

    申请号:US10533381

    申请日:2003-11-05

    IPC分类号: C08K5/05 C08G63/60

    摘要: The present invention provides an aqueous dispersion of biodegradable polyester, which has excellent film forming properties and provides a resin coating film which is flexible, has favorable elongation and is strong to folding, when applied in coatings, adhesives, fiber processing, sheet film processing and paper processing. More specifically, the present invention provides an aqueous dispersion of biodegradable polyester comprising a copolymer of 3HB and 3HH, which has a flexural modulus of 100 to 1500 MPa and a weight average molecular weight of 50,000 to 3,000,000, wherein the copolymer within the aqueous dispersion has an average particle size of 0.1 to 50 μm.

    摘要翻译: 本发明提供一种生物可降解聚酯的水分散体,其具有优异的成膜性能,并且当涂覆在涂料,粘合剂,纤维加工,片状薄膜加工中时,提供柔性的,具有良好的伸长率和强的折叠性的树脂涂膜 纸张加工。 更具体地说,本发明提供一种生物可降解聚酯的水性分散体,其包含3HB和3HH的共聚物,其弯曲模量为100〜1500MPa,重均分子量为50,000〜3,000,000,其中,水分散体内的共聚物 平均粒径为0.1〜50μm。

    Aqueous Dispersion Of Biodegradable Polyester and Process For Preparing The Same
    22.
    发明申请
    Aqueous Dispersion Of Biodegradable Polyester and Process For Preparing The Same 有权
    生物降解聚酯的水分散体及其制备方法

    公开(公告)号:US20060258833A1

    公开(公告)日:2006-11-16

    申请号:US10533381

    申请日:2003-11-05

    IPC分类号: C08G63/02

    摘要: An aqueous dispersion of a biodegradable polyester, which comprises a copolymer of 3-hydroxybutylate and 3-hydroxyhexanoate having a weight average molecular weight of 50,000 to 3,000,000 and a flexural modulus of 100 to 1500 MPa, wherein the copolymer has an average particle diameter of 0.1 to 50 μm in the aqueous dispersion. The aqueous dispersion of a biodegradable polyester is excellent in film forming characteristics and can provide a resin coating film which is soft, exhibits good elongation and is proof to bending, when it is applied to a coating material, an adhesive agent, fiber texturing, sheet or film processing, paper conversion or the like.

    摘要翻译: 生物降解性聚酯的水分散体,其包含重均分子量为50,000〜3,000,000,弯曲弹性模量为100〜1500MPa的3-羟基丁酸酯和3-羟基己酸酯的共聚物,其中,所述共聚物的平均粒径为0.1 至50毫升水分散体。 可生物降解聚酯的水分散体具有优异的成膜特性,并且可以提供一种柔软的树脂涂膜,展现出良好的伸长率并且是弯曲的证明,当它被应用于涂料,粘合剂,纤维织构,片材 或电影处理,纸张转换等。

    EXPANDED POLYPROPYLENE RESIN PARTICLES, AND POLYPROPYLENE RESIN IN-MOLD-EXPANDED MOLDING

    公开(公告)号:US20130310476A1

    公开(公告)日:2013-11-21

    申请号:US13982783

    申请日:2012-02-01

    申请人: Kenichi Senda

    发明人: Kenichi Senda

    IPC分类号: C08F210/06

    摘要: Polypropylene resin expanded particles comprising: a polypropylene resin as a base material resin, the propylene resin having at least two melting peaks on a DSC curve for a second temperature rise measured at a heating rate of 10 g/min with use of a heat flux differential scanning calorimeter (DSC), the at least two melting peaks including (i) a lowest temperature melting peak of not lower than 100° C. and not higher than 130° C. and (ii) a highest temperature melting peak of not lower than 140° C. and not higher than 160° C., the propylene resin having a resin DSC ratio change rate of 0.5%/° C. to 3.0%/° C., the expanded particles having two melting peaks in a DSC measurement made at a first temperature rise at the heating rate of 10 g/min, the two melting peaks including, (i) on a lower temperature side, a melting peak temperature of not lower than 100° C. and not higher than 130° C. and, (ii) on a higher temperature side, a melting peak temperature of not lower than 140° C. and not higher than 160° C. allow an in-mold foaming molded product to be produced of expanded particles that (i) have only a small change in expanded particle DSC ratio, the change corresponding to a change in foaming temperature, (ii) allow production of an in-mold foaming molded product at a very low mold heating steam pressure, (iii) exhibit low distortion, low shrinkage, and a wide range of heating conditions for molding, even if the mold heating steam pressure is increased, (iv) indicate a satisfactory moldability even in a case where the expanded particles are molded with use of, for example, a mold having a complicated shape, a large mold, and (v) keep its properties such as compressive strength, without being impaired largely, in a case where the polypropylene resin expanded particles are used to prepare an in-mold foaming molded product.

    EXPANDED POLYHYDROXYALKANOATE RESIN BEAD, MOLDED OBJECT THEREOF, AND PROCESS FOR PRODUCING THE EXPANDED RESIN BEAD
    24.
    发明申请
    EXPANDED POLYHYDROXYALKANOATE RESIN BEAD, MOLDED OBJECT THEREOF, AND PROCESS FOR PRODUCING THE EXPANDED RESIN BEAD 审中-公开
    膨胀的聚羟基烷酸酯树脂珠,其成型对象及其生产膨胀树脂珠的方法

    公开(公告)号:US20090197982A1

    公开(公告)日:2009-08-06

    申请号:US12091722

    申请日:2006-10-26

    IPC分类号: C08J9/18

    摘要: An object of the present invention is to provide expanded polyhydroxyalkanoate resin beads which are satisfactory and have biodegradability, the molded product thereof, and process for producing the expanded resin beads. The object can be achieved by expanded poly(3-hydroxyalkaonate) (abbreviated to P3HA) resin beads obtained from a P3HA resin composition comprising: a copolymer which comprises repeating units of one or more kinds represented by the formula (1): [—O—CHR—CH2—CO—] (wherein R is alkyl represented by CnH2n+1, provided that n is an integer of 1-15) and is yielded by a microorganism (this copolymer is P3HA); and an isocyanate compound, and having a melt viscosity of 500 Pa·s or higher when examined under the conditions of a shear rate of 122 sec−1 and a temperature of from Tm1 to Tm2, wherein Tm1 is the melting temperature of the P3HA resin composition and Tm2=Tm1+20° C., provided that Tm2

    摘要翻译: 本发明的目的是提供令人满意并且具有可生物降解性的膨胀的聚羟基链烷酸酯树脂珠,其模制产品,以及用于生产发泡树脂珠的方法。 该目的可以通过由P3HA树脂组合物获得的膨胀的聚(3-羟基乙酸酯)(缩写为P3HA)树脂珠粒来实现,所述树脂珠粒包含:包含由式(1)表示的一种或多种重复单元的共聚物:[-O -CHR-CH2-CO-](其中R是由C n H 2n + 1表示的烷基,条件是n是1-15的整数)并由微生物产生(该共聚物是P3HA); 和异氰酸酯化合物,在剪切速率为122秒-1,温度Tm1〜Tm2的条件下检测时的熔融粘度为500Pa·s以上,Tm1为P3HA树脂的熔融温度 组成,Tm2 = Tm1 + 20℃,条件是Tm2 <180℃

    FOAMED POLYHYDROXYALKANOATE RESIN PARTICLES
    25.
    发明申请
    FOAMED POLYHYDROXYALKANOATE RESIN PARTICLES 审中-公开
    泡沫聚羟基烷基酯树脂颗粒

    公开(公告)号:US20090192236A1

    公开(公告)日:2009-07-30

    申请号:US11909716

    申请日:2006-03-20

    IPC分类号: C08G63/06 C08J9/00

    摘要: It is intended to provide polyhydroxyalkanoate resin foamed particles having a biodegradability and favorable properties, a molded article thereof and a method of producing these resin foamed particles. Namely, resin foamed particles obtained by foaming a copolymer (hereinafter referred to as poly(3-hydroxyalkanoate); abbreviated as P3HA), which is produced by a microorganism, has a weight-average molecular weight of from 50000 to 2000000 and has a repeating unit represented by the general formula (1): [—CHR—CH2—CO—O—] (wherein R represents an alkyl group represented by CnH2n+1 and n is an integer of from 1 to 15), a molded article formed by using these foamed particles and a method of producing these foamed particles.

    摘要翻译: 本发明提供具有生物降解性和良好性能的聚羟基链烷酸酯树脂发泡粒子,其成型品和这些树脂发泡粒子的制造方法。 即,通过发泡由微生物制造的共聚物(以下称为聚(3-羟基链烷酸酯);缩写为P3HA)得到的树脂发泡粒子的重均分子量为50000〜2000000,重复 由通式(1)表示的单元:[-CHR-CH 2 -CO-O-](其中R表示由C n H 2n + 1表示的烷基,n表示1〜15的整数),由 使用这些泡沫颗粒和这些泡沫颗粒的制造方法。

    POLYHYDROXYALKANOATE-BASED RESIN FOAMED PARTICLE, MOLDED ARTICLE COMPRISING THE SAME AND PROCESS FOR PRODUCING THE SAME
    26.
    发明申请
    POLYHYDROXYALKANOATE-BASED RESIN FOAMED PARTICLE, MOLDED ARTICLE COMPRISING THE SAME AND PROCESS FOR PRODUCING THE SAME 有权
    基于聚羟基烷基酯的树脂发泡颗粒,包含其的成型制品及其制造方法

    公开(公告)号:US20090149560A1

    公开(公告)日:2009-06-11

    申请号:US11911552

    申请日:2006-04-10

    IPC分类号: C08L67/04 C08J9/00

    摘要: The object is to provide a molded product of foamed particles obtained by charging biodegradable resin foamed particles which are of vegetable origin and excellent in environmental compatibility into a mold, followed by heat molding, which molded product is not accompanied by post shrinkage after the molding with a wide range of variation of processing in the molding. Further, P3HA resin foamed particles being composed of a resin composition that comprises an isocyanate compound, and a polymer, poly(3-hydroxyalkanoate), having a recurring unit represented by the general formula (1): [—O—CHR—CH2—CO—]  (1) (wherein R represents an alkyl group represented by CnH2n+1, wherein n is an integer of from 1 to 15) produced by a microorganism are provided.

    摘要翻译: 本发明的目的是提供一种发泡颗粒的成型品,其通过将具有植物来源且环境相容性优异的可生物降解的树脂发泡颗粒装入模具中,然后进行热成型而获得,该模塑产品在模制之后不伴随后收缩, 成型中加工变化范围广泛。 此外,P3HA树脂发泡颗粒由包含异氰酸酯化合物的树脂组合物和具有由通式(1)表示的重复单元的聚(3-羟基链烷酸酯)聚合物组成:<?在线配方描述 =“在线公式”end =“lead”?> [ - O-CHR-CH2-CO-](1)<?in-line-formula description =“In-line Formulas”end =“tail”?> (其中R表示由CnH2n + 1表示的烷基,其中n为1至15的整数)由微生物制备。

    Poly(3-hydroxyalkanoate) composition and molded product thereof
    27.
    发明申请
    Poly(3-hydroxyalkanoate) composition and molded product thereof 审中-公开
    聚(3-羟基链烷酸酯)组合物及其模制产品

    公开(公告)号:US20070123611A1

    公开(公告)日:2007-05-31

    申请号:US10581302

    申请日:2004-12-01

    IPC分类号: C08L97/02

    摘要: The present invention has for its object to obtain a composition and a molded product thereof excellent in processability, strength, impact resistance, heat resistance and water resistance and, when discarded, are biodegradable under the action of microorganisms and the like in an aerobic or anaerobic environment and, further, a plant origin composition and a molded product thereof, which can positively fix carbon dioxide on the earth. Such characteristics can hardly be attained with the above-mentioned chemically synthesized aliphatic polyesters or natural polymers such as starch. The present invention relates to a composition which comprises kenaf fibers and a poly(3-hydroxyalkanoate) produced by microorganisms and comprising a repeating unit represented by the formula (1): [—O—CHR—CH2—CO—] in the formula, R represents an alkyl group represented by CnH2n+1 with n representing an integer of 1 to 15, and a molded product thereof.

    摘要翻译: 本发明的目的在于获得加工性,强度,耐冲击性,耐热性和耐水性优异的组合物及其成型品,并且在废弃时,在微生物等的作用下,在需氧或厌氧 环境,还有植物来源组合物及其成型体,能够将二氧化碳固定在地球上。 上述化学合成的脂族聚酯或天然聚合物如淀粉难以达到这些特性。 本发明涉及一种组合物,其包含由微生物制成的洋麻纤维和聚(3-羟基链烷酸酯),并且包含由式(1)表示的重复单元:<?in-line-formula description =“In-Line Formulas” end =“lead”?> [ - O-CHR-CH 2 -CO - ] <?in-line-formula description =“In-line Formulas”end =“tail”?> 式中,R表示由C n H 2n + 1 N表示的烷基,n表示1〜15的整数,及其成型体。

    Method for the production of polyolefin resin granules
    28.
    发明授权
    Method for the production of polyolefin resin granules 失效
    生产聚烯烃树脂颗粒的方法

    公开(公告)号:US5911928A

    公开(公告)日:1999-06-15

    申请号:US809024

    申请日:1997-06-02

    摘要: A method for producing polyolefin resins granules are disclosed, which comprises extruding by using a homodirectional (co-rotating) twin-screw kneading extruder a polyolefin resin from a die nozzle having a diameter of less than 2 mm and a discharge amount per hole of 0.5-8 Kg/hr into warm water of 5-90.degree. C. which is lower than a temperature of the resin by 140-220.degree. C., and cutting the extrudate with a cutter blade in the warm water. According to this invention, uniformly dispersed compounds are obtained, and switching of a raw resin can be done speedily and economically, and further, resin granules of a desired shape can be produced.

    摘要翻译: PCT No.PCT / JP95 / 01865 Sec。 371日期:1997年6月2日 102(e)日期1997年6月2日PCT提交1995年9月19日PCT公布。 第WO96 / 09150号公报 日期:1996年3月28日公开了一种聚烯烃树脂颗粒的制造方法,其特征在于,使用同向双向(同向旋转)双螺杆挤出机挤出由直径小于2mm的模头喷嘴形成的聚烯烃树脂, 每孔0.5-8Kg / hr的温度在5-90℃的温水中,其比140-220℃的树脂温度低,并用切割刀在温水中切割挤出物。 根据本发明,可以获得均匀分散的化合物,并且可以快速且经济地进行原料树脂的切换,此外,可以生产所需形状的树脂颗粒。