-
公开(公告)号：US6140455A
公开(公告)日：2000-10-31
申请号：US437600
申请日：1999-11-10
CPC分类号： C08J5/18 , C08G63/605 , C08J2367/02 , Y10T428/29
摘要： Provided is a liquid crystalline polyester resin for extrusion molding having a solder heat resistant temperature of 250.degree. C. or more, wherein the ratio ((viscosity 2b)/(viscosity 1b)) of the melt viscosity (viscosity 1b) under a shearing speed of 1000/sec at the flow initiation temperature and the melt viscosity (viscosity 2b) under the same shearing speed at a temperature 20.degree. C. higher than the flow initiation temperature is from 0.10 to 0.70. The extrusion molding material of the above-described liquid crystalline polyester resin has excellent heat resistance, and can provide an extrusion molded article, especially a film having excellent appearance.
摘要翻译： 本发明提供一种焊料耐热温度为250℃以上的挤出成形用液晶聚酯树脂，其中，剪切速度下的熔融粘度（粘度1b）的比（（粘度2b）/（粘度1b）） 在流动起始温度下为1000 /秒，在相对于流动起始温度20℃的温度下，在相同剪切速度下的熔体粘度（粘度2b）为0.10〜0.70。 上述液晶聚酯树脂的挤出成型材料具有优异的耐热性，并且可以提供挤出成型制品，特别是具有优异外观的膜。
-
公开(公告)号：US06846433B2
公开(公告)日：2005-01-25
申请号：US10227860
申请日：2002-08-27
摘要： By means of a liquid crystalline polyester resin composition containing 100 parts by weight of a liquid crystalline polyester forming an anisotropic melt phase, and not less than 0.01 part by weight and not more than 0.2 part by weight of at least one phosphite compounds defined by the formula (I): a liquid crystalline polyester resin composition capable of producing molded products having excellent thermal stability under high temperatures without causing occurrence of blister in the molded products even in the course of soldering.
摘要翻译： 通过含有100重量份形成各向异性熔融相的液晶聚酯的液晶聚酯树脂组合物，并且不少于0.01重量份且不超过0.2重量份的至少一种由 式（I）：即使在焊接过程中也能够在高温下生产具有优异的热稳定性的模塑制品而不引起模塑制品中的起泡产生的液晶聚酯树脂组合物。
-
公开(公告)号：US07094359B2
公开(公告)日：2006-08-22
申请号：US10386434
申请日：2003-03-13
申请人： Satoshi Okamoto , Manabu Hirakawa
发明人： Satoshi Okamoto , Manabu Hirakawa
CPC分类号： C09K19/3809 , C08G63/605 , Y10T428/2982
摘要： An object of the present invention is to provide a micro powder capable of producing a thin film with precision thickness. This object is achieved by a micro powder having an average particle size of from 0.5 to 50 μm, obtained by grinding a liquid crystalline polyester having a flow beginning temperature of from 200° C. to 270° C.
摘要翻译： 本发明的目的是提供能够制造精密厚度薄膜的微粉末。 该目的通过研磨流动开始温度为200℃至270℃的液晶聚酯得到的平均粒径为0.5〜50μm的微粉末来实现。
-
公开(公告)号：US06838546B2
公开(公告)日：2005-01-04
申请号：US09915475
申请日：2001-07-27
申请人： Satoshi Okamoto , Manabu Hirakawa
发明人： Satoshi Okamoto , Manabu Hirakawa
IPC分类号： B32B15/08 , B32B27/36 , C08J3/09 , C08J5/18 , C09D167/00 , C09K17/52 , H05K1/00 , H05K3/46 , C08J3/11 , C08G63/19 , C08K3/10 , C08K3/22 , C08K3/36
CPC分类号： B32B15/08 , B32B27/36 , C08J3/095 , C08J5/18 , C08J2367/00 , C08J2367/03 , C09D167/00 , H05K3/4661 , H05K3/4676 , H05K2201/0141 , H05K2201/0209 , Y10T428/24917 , Y10T428/31786
摘要： The invention relates to an aromatic liquid-crystalline polyester solution composition comprising 100 parts by weight of a solvent (A) and 0.01 to 100 parts by weight of an aromatic liquid-crystalline polyester (B), wherein the solvent (A) is a solvent containing 30% by weight or more of a chlorine-substituted phenol compound represented by the following general formula (I): wherein A represents a hydrogen atom, a halogen atom or a tri-halogenated methyl group, and i represents an integer of 1 or more and 4 or less, a film obtained from the aromatic liquid-crystalline polyester, and a process for producing the film.
-
公开(公告)号：US06838018B2
公开(公告)日：2005-01-04
申请号：US10387842
申请日：2003-03-14
申请人： Satoshi Okamoto , Manabu Hirakawa
发明人： Satoshi Okamoto , Manabu Hirakawa
摘要： An object of the present invention is to provide a liquid crystalline polyester resin composition to produce a molded article without generating black foreign materials even if exposed to high temperature. This object is achieved by providing a liquid crystalline polyester resin composition comprising a liquid crystalline polyester and at least one phosphite compound of the formula (I): wherein, R1 represents a hydrogen atom or, an alkyl group having 1 to 4 carbon atoms or a phenyl group, and R2 represents an alkyl group having 1 to 4 carbon atoms or a phenyl group.
摘要翻译： 本发明的目的在于提供一种液晶聚酯树脂组合物，即使在高温下暴露也能生成成型体而不产生黑色异物。 该目的通过提供一种包含液晶聚酯和至少一种式（I）的亚磷酸酯化合物的液晶聚酯树脂组合物来实现：其中R 1表示氢原子，或具有1至4个碳原子的烷基 原子或苯基，R 2表示碳原子数1〜4的烷基或苯基。
-
公开(公告)号：US06743376B2
公开(公告)日：2004-06-01
申请号：US09941717
申请日：2001-08-30
申请人： Shin Okamoto , Manabu Hirakawa
发明人： Shin Okamoto , Manabu Hirakawa
IPC分类号： C09K1952
CPC分类号： C08L67/00 , B29C67/24 , B29K2105/0079 , C08L23/06 , C08L67/04 , C08L2666/06
摘要： A liquid-crystalline resin composition comprising 0.01 to 10 parts by weight of an ultra-high molecular weight polyethylene having a molecular weight of exceed 600,000 and 100 parts by weight of a liquid-crystalline resin that shows an anisotropic liquid-crystalline state in a molten state.
摘要翻译： 一种液晶树脂组合物，其包含0.01至10重量份的分子量超过600,000的超高分子量聚乙烯和100重量份液晶树脂，所述液晶树脂在熔融状态下显示各向异性液晶状态 州。
-
公开(公告)号：US06649730B2
公开(公告)日：2003-11-18
申请号：US10253768
申请日：2002-09-23
申请人： Satoshi Okamoto , Tomohiro Sato , Manabu Hirakawa
发明人： Satoshi Okamoto , Tomohiro Sato , Manabu Hirakawa
IPC分类号： C08G6300
CPC分类号： C08G69/44
摘要： The object of the present invention is to provide an aromatic polyester amide which has improved mechanical strength and high elastic modulus after being molded into a thin wall article as well as exhibits excellent heat stability and moldability. The present invention provides an aromatic polyester amide comprising the following repeating units (a)-(d): [wherein n in (c) represents 0 or 1] wherein (a) is from 2 to 20 mole %, (b) is from 30 to 65 mole %, (c) is from 15 to 35 mole % and (d) is from 15 to 30 mole % provided that the sum of (a) to (d) is 100 mole %.
摘要翻译： 本发明的目的是提供一种芳族聚酯酰胺，其在模制成薄壁制品之后具有改善的机械强度和高弹性模量，并且显示出优异的热稳定性和成型性。 本发明提供一种芳族聚酯酰胺，其包含以下重复单元（a） - （d）：[其中（c）中的n表示0或1]其中（a）为2〜20摩尔％，（b） 30〜65摩尔％，（c）为15〜35摩尔％，（d）为15〜30摩尔％，条件是（a）〜（d）之和为100摩尔％。
-
公开(公告)号：US4548769A
公开(公告)日：1985-10-22
申请号：US696483
申请日：1985-01-30
CPC分类号： C08J7/123 , B01D71/42 , C08J2333/20
摘要： A process for producing a semipermeable membrane having a high flux, excellent in solute rejection and useful for reverse osmosis, ultrafiltration and the like which comprises dipping a semipermeable membrane of acrylonitrile polymer containing 40-100% by mole of acrylonitrile in a solution of an amine and/or an alkali, or casting a solution of said polymer containing an amine and/or an alkali to prepare a semipermeable membrane, and optionally, treating the semipermeable membrane thus obtained with plasma.
-
公开(公告)号：US06702956B2
公开(公告)日：2004-03-09
申请号：US10178227
申请日：2002-06-25
申请人： Mituo Maeda , Satoshi Nagano , Manabu Hirakawa
发明人： Mituo Maeda , Satoshi Nagano , Manabu Hirakawa
IPC分类号： C09K1920
CPC分类号： C08K5/20 , C08L23/06 , C08L67/00 , C08L67/04 , C08L2666/04
摘要： A liquid crystal polyester resin mixture having a stabilized plastication time and accordingly possible to be molded in constant cycles and giving a molded article excellent in mechanical properties and thermal stability is provided. The liquid crystal polyester resin mixture comprises 100 parts by weight of a liquid crystal polyester resin composition which comprises 100 parts by weight of a liquid crystal polyester and from 0 to 150 parts by weight of a filler, and either from 0.001 to 5 parts by weight of a fatty acid amide having a formula; R1—CO—NH2 (wherein R1 denotes a saturated or unsaturated hydrocarbon of 10 to 30 carbons) or from 0.001 to 2 parts by weight of a high molecular weight polyethylene with a molecular weight of 10,000 or higher.
摘要翻译： 提供了具有稳定的塑化时间的液晶聚酯树脂混合物，因此可以以恒定的循环模塑，并且提供了机械性能和热稳定性优异的模制品。 液晶聚酯树脂混合物包含100重量份的液晶聚酯树脂组合物，其包含100重量份的液晶聚酯和0至150重量份的填料，以及0.001至5重量份 的具有下式的脂肪酸酰胺; R1-CO-NH2（其中R1表示10〜30个碳原子的饱和或不饱和烃）或0.001〜2重量份的分子量为10,000以上的高分子量聚乙烯。
-
公开(公告)号：US06512079B2
公开(公告)日：2003-01-28
申请号：US09938621
申请日：2001-08-27
申请人： Satoshi Okamoto , Manabu Hirakawa
发明人： Satoshi Okamoto , Manabu Hirakawa
IPC分类号： C08G6302
CPC分类号： C08G63/605
摘要： A method for producing a liquid crystalline polyester comprising the steps of acylating phenolic hydroxyl groups of an aromatic diol, an aromatic hydroxycarboxylic acid, or an aromatic diol and aromatichydroxycarboxylic acid with a fatty anhydride to obtain an acylated substance, and trans-esterifying said acylated substance with an aromatic dicarboxylic acid, an aromatic hydroxycarboxylic acid, or an aromatic dicarboxylic acid and aromatic hydroxycarboxylic acid, wherein the acylation, the trans-esterification, or the acylation and trans-esterification is conducted in the presence of a heterocyclic organic base compound containing two or more nitrogen atoms.
摘要翻译： 一种制备液晶聚酯的方法，包括以下步骤：将芳族二醇，芳族羟基羧酸或芳族二醇和芳族二羟基羧酸的酚羟基与脂肪酸酐酰化，得到酰化物质，并用所述酰化物质转化所述酰化物质 芳族二羧酸，芳族羟基羧酸或芳族二羧酸和芳族羟基羧酸，其中在含有两个或更多个的杂环有机碱化合物的存在下进行酰化，酯交换或酰化和酯交换反应 氮原子。
-
-
-
-
-
-
-
-
-
搜索结果
22 条记录 (耗时 0.018 秒)