公开(公告)号：US07030207B2

公开(公告)日：2006-04-18

申请号：US10476075

申请日：2002-07-23

申请人： Yoshihisa Tajima ,  Hiroaki Nakao ,  Kuniaki Kawaguchi

发明人： Yoshihisa Tajima ,  Hiroaki Nakao ,  Kuniaki Kawaguchi

IPC分类号： C08G2/22

CPC分类号： C08G2/18 ,  C08L59/02 ,  C08L59/04

摘要： The invention is to provide a polymer, having a high affinity to water, is liquid in spite of being a polymer, simultaneously possesses also a thermal stability and is suitably used as a heating medium or a lubricant. It is the polyacetal (co)polymer, being liquid at room temperature, prepared by copolymerizing (A) 75 to 100 mol % of 1,3-dioxolane and (B) 25 to 0 mol % of trioxane and having the total amount of terminal groups of 15 to 300 mmol/kg and an amount of a hemiformal terminal group of 80 mmol/kg or less.

摘要翻译： 本发明提供一种对水具有高亲和性的聚合物，尽管是聚合物，但是是液体，同时具有热稳定性，并且适合用作加热介质或润滑剂。 （A）75〜100摩尔％的1,3-二氧戊环和（B）25〜0摩尔％的三恶烷并具有末端总量的聚缩醛（共）聚合物，在室温下为液体 15〜300mmol / kg的组，半缩甲基端基的量为80mmol / kg以下。

公开(公告)号：US20050182200A1

公开(公告)日：2005-08-18

申请号：US10510337

申请日：2003-05-29

申请人： Kuniaki Kawaguchi ,  Hidetoshi Okawa ,  Yoshihisa Tajima

发明人： Kuniaki Kawaguchi ,  Hidetoshi Okawa ,  Yoshihisa Tajima

IPC分类号： C08L59/04 ,  C08G2/12 ,  C08G2/18 ,  C08L59/00

CPC分类号： C08G2/12 ,  C08L59/00 ,  C08L2205/02 ,  C08L2666/16

摘要： A polyacetal resin composition having high rigidity and also excellent in dimensional stability and creep characteristics is provided. A polyacetal resin composition prepared by blending (A) 99.9 to 90 parts by weight of a linear polyacetal resin having a melt index of 1 to 50 g/min obtained by copolymerizing (a) 99.5 to 97.5% by weight of trioxane and (b) 0.5 to 2.5% by weight of a compound selected from a mono-functional cyclic ether compound and a mono-functional cyclic formal compound, with (B) from 0.1 to 10 parts by weight of a branched or crosslinked polyacetal resin having a melt index of 0.1 to 10 g/min obtained by copolymerizing (a) 99.49 to 95.0% by weight of trioxane, (b) 0.5 to 4.0% by weight of a compound selected from a mono-functional cyclic ether compound and mono-functional cyclic formal compound and (c) 0.01 to 1.0% by weight of a poly-functional glycidyl ether compound with the number of functional groups of 3 to 4, in which (A) and (B) are selected so that the ratio between the melt index of (A) and the melt index of (B) can satisfy the relation of the following formula: 0.02≦MIB/MIA≦1.5   (1) (where MIA is a melt index of (A) and MIB is a melt index of (B))

摘要翻译： 提供了具有高刚性并且尺寸稳定性和蠕变特性优异的聚缩醛树脂组合物。 通过共混（A）99重量份至90重量份熔融指数为1〜50克/分的线性聚缩醛树脂（a）99.5〜97.5重量％的三恶烷和（b）共聚合得到的聚缩醛树脂组合物， 0.5〜2.5重量％的选自单官能环状醚化合物和单官能环状缩甲醛化合物的化合物，（B）0.1〜10重量份的熔融指数为 通过共聚合（a）99.49〜95.0重量％的三恶烷，（b）0.5〜4.0重量％的选自单官能环醚化合物和单官能环状缩甲醛化合物的化合物，得到0.1〜10g / min，以及 （c）0.01〜1.0重量％的官能团数为3〜4的多官能缩水甘油醚化合物，其中选择（A）和（B），使得（A ）和（B）的熔融指数可以满足下列公式的关系：<？在线公式描述 =“线上公式”end =“lead”？> 0.02 <= MI / MI <= 1.5（1）<？in-line-formula 描述=“在线公式”end =“tail”？>（其中MI A A是熔融指数（A）和MI B B是熔体指数（ B））

公开(公告)号：US06737475B1

公开(公告)日：2004-05-18

申请号：US09869806

申请日：2001-07-05

申请人： Yoshihisa Tajima ,  Hidetoshi Okawa ,  Kuniaki Kawaguchi

发明人： Yoshihisa Tajima ,  Hidetoshi Okawa ,  Kuniaki Kawaguchi

IPC分类号： C08L5900

CPC分类号： C08G2/18 ,  C08L59/04 ,  C08L2666/06

摘要： To provide a polyacetal resin material in which an excellent sliding property is given and the appearance, dimensional precision, mechanical properties, etc. of the molded article thereof are improved as well. That is, a branched polyacetal resin composition, comprising 100 parts by weight of a branched polyacetal copolymer (A) having an oxymethylene group as the main repeating unit and having a specific branching unit, and 0.5 to 40 parts by weight of at least one polymer (B) selected from the group consisting of the following polymer (B-1) and (B-2), i.e. polymer (B-1): a graft or block copolymer prepared from an olefin polymer (b-1) and at least one vinyl polymer (b-2); and polymer (B-2): a modified olefin polymer in which an olefin polymer (b-3) is modified with at least one compound selected from the group consisting of an unsaturated carboxylic acid, an unsaturated carboxylic acid anhydride and derivatives thereof and/or 0.1 to 5 parts by weight of a lubricant (C).

摘要翻译： 为了提供具有优异滑动性的聚缩醛树脂材料，并且其成型制品的外观，尺寸精度，机械性能也得到改善。 也就是说，支链聚缩醛树脂组合物包含100重量份具有甲醛基作为主要重复单元并具有特定分支单元的支链聚缩醛共聚物（A）和0.5至40重量份的至少一种 选自以下聚合物（B-1）和（B-2），聚合物（B-1）的聚合物（B）：由烯烃聚合物（b-1​​）制备的接枝或嵌段共聚物 至少一种乙烯基聚合物（b-2）; 和聚合物（B-2）：烯烃聚合物（b-3）用至少一种选自不饱和羧酸，不饱和羧酸酐及其衍生物和/或0.1的化合物改性的改性烯烃聚合物 至5重量份的润滑剂（C）。

公开(公告)号：US5929195A

公开(公告)日：1999-07-27

申请号：US115625

申请日：1998-07-14

申请人： Kuniaki Kawaguchi ,  Kaoru Yamamoto ,  Hajime Serizawa

发明人： Kuniaki Kawaguchi ,  Kaoru Yamamoto ,  Hajime Serizawa

IPC分类号： C08G65/10 ,  C08G2/10 ,  C08G2/22 ,  C08G4/00 ,  C08G6/00 ,  C08G65/26 ,  C08G10/02

CPC分类号： C08G6/00 ,  C08G2/22 ,  C08G4/00

摘要： A branched or crosslinked polyacetal resin is excellent in blow moldability, has impact resistances such as plane impact resistance, and the smoothness of the inner surfaces of moldings produced therefrom, and is suitable for molding, particularly blow molding. It can be produced by the bulk polymerization of (A) trioxane with (B) a cyclic ether and/or cyclic formal and (C) a polyfunctional glycidyl ether compound in the presence of (D) a cationic polymerization catalyst, a mixture prepared by mixing the cyclic ether and/or cyclic formal (B) with the polyfunctional glycidyl ether compound (C) and the cationic polymerization catalyst (D) is added to trioxane (A) to conduct the polymerization.

摘要翻译： 支化或交联的聚缩醛树脂具有优异的吹塑成型性，耐冲击性如平面抗冲击性，以及由其制成的模制品的内表面的平滑度，并且适于成型，特别是吹塑。 在（D）阳离子聚合催化剂存在下，通过（A）三恶烷与（B）环醚和/或环状缩甲醛和（C）多官能缩水甘油醚化合物的本体聚合可以制备， 将环醚和/或环状缩甲醛（B）与多官能缩水甘油醚化合物（C）和阳离子聚合催化剂（D）混合，加入到三恶烷（A）中进行聚合。

公开(公告)号：US5302690A

公开(公告)日：1994-04-12

申请号：US892898

申请日：1992-06-03

申请人： Kuniaki Kawaguchi ,  Kenji Hijikata ,  Toshio Nakane

发明人： Kuniaki Kawaguchi ,  Kenji Hijikata ,  Toshio Nakane

IPC分类号： C08G63/20 ,  C08G63/688 ,  C08G63/85 ,  C08L67/02

CPC分类号： C08G63/85 ,  C08G63/20 ,  C08G63/6886 ,  C08L67/02

摘要： Polyester resins are prepared by reacting a lower alkyl ester of an aromatic dicarboxylic acid with an aliphatic diol to form an aromatic polyester, and which includes (i) subjecting to transesterification reaction conditions in the presence of a titanium compound catalyst a transesterification reaction system having the lower alkyl ester of the aromatic dicarboxylic acid, the aliphatic and between 0.02 to 5.0 mole percent, based on the amount of the lower alkyl ester of the aromatic dicarboxylic acid, of an aromatic sulfonic acid compound represented by the following general formula (I):OH--R--O--Ar--SO.sub.3 M (I)wherein Ar is a p-substituted benzene group or a 2,6-substituted naphthalene group, R is a divalent group selected from among --CH.sub.2 CH(CH.sub.3)--, --CH(CH.sub.3)CH.sub.2 --, --CH.sub.2 CH(CH.sub.3)-- and --CH.sub.2 CH.sub.2 OCH.sub.2 CH.sub.2 --, and M is an alkali metal selected from the group consisting of lithium, sodium and potassium. The resulting transesterification reaction product is thereafter subjected to polycondensation to obtain the polyester resin. The polyester resin may be blended with an aromatic polyester base resin to yield a moldable polyester resin composition having exceptional crystallization rates.

摘要翻译： 聚酯树脂通过使芳族二羧酸的低级烷基酯与脂肪族二醇反应形成芳族聚酯来制备，其包括（i）在钛化合物催化剂的存在下进行酯交换反应条件，所述酯交换反应体系具有 芳族二羧酸的低级烷基酯，脂肪族和基于芳族二羧酸的低级烷基酯的量为0.02-5.0摩尔％的由以下通式（I）表示的芳族磺酸化合物： OH-RO-Ar-SO 3 M（I）其中Ar是对取代的苯基或2,6-取代的萘基，R是选自-CH 2 CH（CH 3） - ， - CH（CH 3）CH 2 - ，-CH 2 CH（CH 3） - 和-CH 2 CH 2 OCH 2 CH 2 - ，M是选自锂，钠和钾的碱金属。 然后将所得的酯交换反应产物进行缩聚，得到聚酯树脂。 可以将聚酯树脂与芳族聚酯基础树脂混合，得到具有异常结晶速率的可成型聚酯树脂组合物。