公开(公告)号：US6017973A

公开(公告)日：2000-01-25

申请号：US857639

申请日：1997-05-16

申请人： Yorikazu Tamura ,  Tsuneo Hagiwara ,  Yasushi Ishihama ,  Minoru Kayanoki ,  Takakuni Ueno

发明人： Yorikazu Tamura ,  Tsuneo Hagiwara ,  Yasushi Ishihama ,  Minoru Kayanoki ,  Takakuni Ueno

IPC分类号： B29C39/00 ,  B29C39/42 ,  C08F2/50 ,  C08F222/10 ,  G03F7/027 ,  C08G18/10 ,  G03C1/73 ,  G03C9/08

CPC分类号： C08F222/1006 ,  B29C39/003 ,  B29C39/42 ,  G03F7/027

摘要： A photocurable resin composition comprising (A) at least one urethane di- or triacrylate, which is a novel compound, (B) a radical polymeriable compound, and (C) a photopolymerization initiator, the weight ratio of the urethane acrylate (A) to the radical polymerizable compound (B) being 65/35 to 25/75; a method of producing a photo-cured object by photo-curing the above composition; a vacuum casting mold obtained by the above method; and a vacuum casting method using the above mold.

摘要翻译： 一种光固化树脂组合物，其包含（A）至少一种作为新化合物的氨基甲酸酯二 - 或三丙烯酸酯，（B）自由基可聚合化合物和（C）光聚合引发剂，所述氨基甲酸酯丙烯酸酯（A）与 自由基聚合性化合物（B）为65/35〜25/75; 通过光固化上述组合物来制造光固化物体的方法; 通过上述方法获得的真空铸模; 和使用上述模具的真空铸造方法。

公开(公告)号：US6003832A

公开(公告)日：1999-12-21

申请号：US694495

申请日：1996-08-07

申请人： Takakuni Ueno ,  Yorikazu Tamura

发明人： Takakuni Ueno ,  Yorikazu Tamura

IPC分类号： B32B27/00 ,  B29C33/38 ,  B29C33/40 ,  B29C33/56 ,  B29C70/02 ,  G03C9/08 ,  B28B7/34

CPC分类号： B29C33/56 ,  B29C33/40 ,  B29C70/025 ,  B29K2105/126 ,  B29K2105/16

摘要： A mold having a cavity for shaping a three-dimensional object, which comprises a photocured resin of a photocurable resin composition comprising(A) a liquid photocurable resin, and(B) at least one reinforcing agent selected from the group consisting of inorganic solid particles having an average particle diameter of 3 to 70 .mu.m and a whisker having an average diameter of 0.3 to 1.0 .mu.m, a length of 10 to 70 .mu.m and an aspect ratio of 10 to 100 and optionally, in which the inner surface of the cavity is covered by a solid film having a thickness of 5 to 1000 .mu.m.

摘要翻译： 一种具有用于成形三维物体的空腔的模具，其包含光固化树脂组合物的光固化树脂，所述光固化树脂组合物包含（A）液体光固化树脂和（B）至少一种选自无机固体颗粒 平均粒径为3〜70μm的晶须和平均直径为0.3〜1.0μm，长度为10〜70μm，纵横比为10〜100的晶须，任选地，其中， 该空腔被厚度为5〜1000μm的固体膜覆盖。

公开(公告)号：US06203966B1

公开(公告)日：2001-03-20

申请号：US09155783

申请日：1998-10-02

申请人： Yorikazu Tamura ,  Tsuneo Hagiwara

发明人： Yorikazu Tamura ,  Tsuneo Hagiwara

IPC分类号： G03F7027

CPC分类号： G03F7/0037 ,  B33Y70/00 ,  C08K3/22 ,  C08K7/02 ,  C08K2201/016 ,  G03F7/0047 ,  G03F7/027

摘要： A resin composition for forming a three-dimensional object by optical stereolithography, which contains 5 to 65 vol % of aluminum oxide fine particles having an average particle diameter of 3 to 70 &mgr;m and 5 to 30 vol % of whiskers having a diameter of 0.3 to 1 &mgr;m, a length of 10 to 70 &mgr;m and an aspect ratio of 10 to 100, the total content of the aluminum oxide fine particles and the whiskers being 10 to 70 vol %. According to the resin composition for forming a three-dimensional object by optical stereolithography, a high-quality three-dimensional object by optical stereolithography that has high heat resistance with a high heat distortion temperature and high rigidity with a high flexural modulus and that is free from a dimensional change on account of a low linear thermal expansion coefficient even when temperature varies can be obtained by optical stereolithography with high dimensional accuracy.

摘要翻译： 一种用于通过光学立体光刻法形成三维物体的树脂组合物，其包含5至65体积％的平均粒径为3至70μm的氧化铝细颗粒和5至30体积％的直径为0.3至 1μm，长度为10〜70μm，长径比为10〜100，氧化铝微粒和晶须的总含量为10〜70体积％。根据用于形成三维物体的树脂组合物 通过光学立体光刻技术，通过光学立体光刻法具有高耐热性，高热变形温度和高刚性，高弯曲模量的高质量三维物体，并且由于低线性热膨胀而没有尺寸变化 即使温度变化，也可以通过高尺寸精度的光学立体光刻法获得。

公开(公告)号：US06200732B1

公开(公告)日：2001-03-13

申请号：US08837982

申请日：1997-04-14

申请人： Yorikazu Tamura ,  Tsuneo Hagiwara

发明人： Yorikazu Tamura ,  Tsuneo Hagiwara

IPC分类号： G03F7027

CPC分类号： G03F7/0037 ,  B33Y10/00 ,  B33Y70/00 ,  G03F7/027

摘要： There is provided a photocurable resin composition comprising (A) an urethane acrylate having three or four acrylate groups in the molecule, (B) a radical polymerizable compound different from the above urethane acrylate; and (C) a photopolymerization initiator, the weight ratio of the urethane acrylate (A) to the radical polymerizable compound (B) being 80:20 to 10:90; and a production process thereof. The said photocurable resin composition can provide moldings and stereolithographed objects having excellent dimensional accuracy with a small volume shrinkage factor at the time of photo-curing and excellent heat resistance with a high thermal deformation temperature as well as excellent transparency and mechanical properties such as tensile strength.

摘要翻译： 提供一种光固化树脂组合物，其包含（A）分子中具有三个或四个丙烯酸酯基团的氨基甲酸酯丙烯酸酯基团，（B）与上述氨基甲酸酯丙烯酸酯不同的自由基聚合性化合物; 和（C）光聚合引发剂，氨基甲酸酯丙烯酸酯（A）与自由基聚合性化合物（B）的重量比为80:20〜10:90; 及其制造方法。 所述光固化性树脂组合物可以提供具有优异的尺寸精度的模制品和立体光刻对象，在光固化时具有小的体积收缩率，并且具有优异的耐热性和高的热变形温度，以及优异的透明性和机械性能如拉伸强度 。

公开(公告)号：US4291142A

公开(公告)日：1981-09-22

申请号：US55475

申请日：1979-07-06

申请人： Yorikazu Tamura ,  Akihiro Aoki ,  Keizo Shimada

发明人： Yorikazu Tamura ,  Akihiro Aoki ,  Keizo Shimada

IPC分类号： C08L77/00 ,  B29C55/02 ,  B29C71/04 ,  B29K77/00 ,  C08G69/32 ,  C08J5/18 ,  C08K5/34 ,  C08G69/48

CPC分类号： C08J5/18 ,  C08G69/32 ,  C08J2377/10

摘要： Aromatic polyamide film, having an excellent thermal resistance and a high dielectric breakdown strength, which comprises an aromatic polyamide containing repeating units of the formula----NH--Ar.sub.1 --CO----or----NH--Ar.sub.1 --NHCO--Ar.sub.2 --CO----and cross-linked with a cross-linking compound having at least one radical selected fromR.sup.1 --C(R.sup.2).dbd.C--CH.sub.2 (R.sup.3)--,R.sup.1 --C(R.sup.2).dbd.CR .sup.3 --,R.sup.1 --C(R.sup.2).dbd.C(R.sup.3)--COO--andR.sup.1 --C(R.sup.2).dbd.C(R.sup.3)--CONH--,or another cross-linking cyanuric or isocyanuric acid compound, by means of heat, ultraviolet rays or electron beam.

摘要翻译： 具有优异的耐热性和高介电击穿强度的芳族聚酰胺薄膜包含含有式-NH-Ar1-CO-或-NH-Ar1-NHCO-Ar2-CO-的重复单元的芳族聚酰胺， 并且与具有至少一个选自R 1 -C（R 2）= C-CH 2（R 3） - ，R 1 -C（R 2）= CR 3-，R 1 -C（R 2）= C（R3）-COO-和R1-C（R2）= C（R3）-CONH-，或另一种交联氰尿酸或异氰脲酸化合物，通过热，紫外线或电子束。

公开(公告)号：US5849459A

公开(公告)日：1998-12-15

申请号：US563694

申请日：1995-11-28

申请人： Tsuneo Hagiwara ,  Yorikazu Tamura

发明人： Tsuneo Hagiwara ,  Yorikazu Tamura

IPC分类号： G03F7/004 ,  B29C33/38 ,  B29C35/08 ,  B29C67/00 ,  B29K33/00 ,  B29K63/00 ,  B29K105/24 ,  C08F2/50 ,  G03F7/00 ,  G03F7/031 ,  G03F7/09 ,  G03F7/028 ,  G03F7/20

CPC分类号： G03F7/091 ,  G03F7/0037 ,  G03F7/031 ,  B29C33/38 ,  B29C67/0051

摘要： A resin composition for stereolithography and a process for producing a three-dimensional object using the same. The resin composition comprises (1) a liquid photohardenable resin composition containing at least one of photo-polymerizable compounds and a photosensitive polymerization initiator, and (2) at least one of radiation energy absorbers in an amount of from 0.001 to 1.0% by weight based on the total amount of the liquid photohardenable resin composition (1).

公开(公告)号：US4539393A

公开(公告)日：1985-09-03

申请号：US482241

申请日：1983-04-05

申请人： Yorikazu Tamura ,  Jiro Sadanobu ,  Tsutomu Nakamura

发明人： Yorikazu Tamura ,  Jiro Sadanobu ,  Tsutomu Nakamura

IPC分类号： C08J5/18 ,  C08G69/32

CPC分类号： C08J5/18 ,  C08J2377/10

摘要： A process for producing an aromatic polyamide film, which comprises drawing an undrawn aromatic polyamide film biaxially at a draw ratio of at least 1.5 in a solvent mixture consisting of (a) 5% to 75% by weight of a good solvent of the aromatic polyamide and (b) 25% to 95% by weight of a non-solvent of the aromatic polyamide, and heat treating the drawn film, which contains at least 1% by weight, based on the weight of the film, of a good solvent of said aromatic polyamide, at a temperature of not lower than 150.degree. C.An m-phenyleneisophthalamide polymer film having extremely excellent dimensional stability under moist conditions, which film has a density d of from 1.35 to 1.41 g/cm.sup.3 and principal refractive indices n.sub..alpha., n.sub..beta. and n.sub..gamma. (n.sub..alpha. >n.sub..beta. >n.sub..gamma.) for D-line of a wavelength of 589 nm satisfying the following formula: ##EQU1##

摘要翻译： 一种芳族聚酰胺薄膜的制造方法，其特征在于，在由（a）5重量％〜75重量％的芳香族聚酰胺的良溶剂组成的溶剂混合物中，以拉伸比为1.5以下的双轴拉伸未拉伸芳香族聚酰胺薄膜 和（b）25重量％至95重量％的芳族聚酰胺的非溶剂，并且对所述拉伸膜进行热处理，所述拉伸膜基于所述膜的重量，含有至少1重量％的良好溶剂 所述芳族聚酰胺在不低于150℃的温度下进行。在湿润条件下具有非常优异的尺寸稳定性的间苯二甲酰间苯二胺聚合物膜，该密度d为1.35至1.41g / cm 3，主折射率为nα ，对于波长为589nm的D线的nβ和nγ（nα> nβ> n伽马）满足以下公式：

公开(公告)号：US4250073A

公开(公告)日：1981-02-10

申请号：US66447

申请日：1979-08-14

申请人： Yorikazu Tamura ,  Akihiro Aoki ,  Hiroshi Mera ,  Keizo Shimada

发明人： Yorikazu Tamura ,  Akihiro Aoki ,  Hiroshi Mera ,  Keizo Shimada

IPC分类号： C08L77/10 ,  D01F6/60 ,  C08K5/17 ,  C08K5/20

CPC分类号： C08L77/10 ,  D01F6/605

摘要： An aromatic polyamide composition usable for producing shaped articles, for instance, filaments, comprises the components of an aromatic polyamide resin (P), a polar amide solvent (S) and an auxiliary solvent (H) consisting of a halogenated hydrocarbon, for example, dichloromethane and dichloroethane, the proportions of the components (P), (S) and (H) being on or within a quadrilateral A C D E defined by the co-ordinates:A (P 5.0, S 30.0, H 65.0 )C (P 45.0, S 30.0, H 25.0)D (P 57.0, S 38.0, H 5.0) andF (P 5.0, S 90.0, H 5.0).The composition also contains a solubility enhancing agent consisting of one or more inorganic halide, such as alkali metal halides, alkaline earth metal halides and ammonium halides, in amount of from 5 to 60%, based on the weight of the polyamide resin.

摘要翻译： 可用于生产成形制品例如长丝的芳族聚酰胺组合物包括芳族聚酰胺树脂（P），极性酰胺溶剂（S）和由卤代烃组成的辅助溶剂（H）的组分，例如， 二氯甲烷和二氯乙烷，组分（P），（S）和（H）的比例在坐标为A（P 5.0，S 30.0，H 65.0）C（P 45.0， S 30.0，H 25.0）D（P 57.0，S 38.0，H 5.0）和F（P 5.0，S 90.0，H 5.0）。 所述组合物还含有以聚酰胺树脂重量为基准的5至60％量的一种或多种无机卤化物如碱金属卤化物，碱土金属卤化物和卤化铵的溶解度增强剂。

公开(公告)号：US4183837A

公开(公告)日：1980-01-15

申请号：US576799

申请日：1975-05-12

申请人： Yorikazu Tamura ,  Yasuhisa Shishido

发明人： Yorikazu Tamura ,  Yasuhisa Shishido

IPC分类号： C09D127/14 ,  C09D127/20 ,  C08K5/11

CPC分类号： C09D127/14 ,  C09D127/20

摘要： A liquid coating composition containing vinyl fluoride-hexafluoropropylene resin which has superior storage stability even in high concentrations and can form a coating layer having outstandingly superior mechanical strength properties such as tensile strength, initial Young's modulus or hardness and superior transparency and gloss. The liquid coating composition comprises a vinyl fluoride-hexafluoropropylene copolymer having an inherent viscosity of 0.2 to 2 and composed of 5 to 50 mol % of units derived from hexafluoropropylene, 0 to 10 mol % of units derived from a third component and the remainder being units derived from vinyl fluoride, and specified solvent, the amount of said copolymer being 1 to 50% by weight, as solids content, based on the weight of the composition. A method for preparing the vinyl fluoride-hexafluoropropylene copolymer resin suitable for use in the liquid coating compositions in the presence of an organic peroxide initiator, a fluorine-containing surface active agent, a dispersing agent and/or a molecular-weight regulating agent.

摘要翻译： 一种含氟乙烯 - 六氟丙烯树脂的液体涂料组合物，即使高浓度也具有优异的储存稳定性，并且可以形成具有突出优异的机械强度性能如拉伸强度，初始杨氏模量或硬度以及优异的透明度和光泽的涂层。 液体涂料组合物包含特性粘度为0.2至2的氟代 - 六氟丙烯共聚物，由5-50摩尔％的衍生自六氟丙烯的单元组成，0至10摩尔％的衍生自第三组分的单元，其余为单元 衍生自氟乙烯和特定的溶剂，基于组合物的重量，所述共聚物的量为固体含量为1至50重量％。 一种在有机过氧化物引发剂，含氟表面活性剂，分散剂和/或分子量调节剂存在下适用于液体涂料组合物的氟乙烯 - 六氟丙烯共聚物树脂的制备方法。

公开(公告)号：US06432607B1

公开(公告)日：2002-08-13

申请号：US09582974

申请日：2000-07-07

申请人： Yorikazu Tamura ,  Tsuneo Hagiwara ,  Makoto Ohtake

发明人： Yorikazu Tamura ,  Tsuneo Hagiwara ,  Makoto Ohtake

IPC分类号： G03F726

CPC分类号： C08F2/46 ,  B33Y70/00 ,  C08F220/36 ,  C08F222/22

摘要： A photocurable resin composition capable of producing a three-dimensional object which has excellent dimensional accuracy with a small volume shrinkage factor and excellent heat resistance with a high heat distortion temperature as well as excellent transparency and mechanical properties. This composition comprises at least one imidated acrylic compound (i) represented by the following formula: wherein R1 is an alicyclic group, an aromatic group or an aliphatic group which may be substituted, R2 is a residual group of amino alcohol, R3 is hydrogen atom or methyl group, and n is 1 or 2; (ii) a radical polymerizable compound and/or a cationic polymerizable compound other than the above imidated acrylic compound; and (iii) a photopolymerization initiator. The weight ratio of the imidated acrylic compound to the radical polymerizable compound and/or cationic polymerizable compound is 80:20 to 10:90.

摘要翻译： 一种光固化树脂组合物，其能够制造具有小体积收缩率的优异尺寸精度的三维物体和具有高热变形温度的优异​​的耐热性以及优异的透明性和机械性能。该组合物包含至少一种酰亚胺化丙烯酸 由下式表示的化合物（i）：其中R1是脂环族基团，芳族基团或可被取代的脂族基团，R2是氨基醇的残基，R3是氢原子或甲基，n是1 或2; （ii）除上述酰亚胺化丙烯酸类化合物以外的自由基聚合性化合物和/或阳离子聚合性化合物; 和（iii）光聚合引发剂。 酰亚胺化丙烯酸类化合物与自由基聚合性化合物和/或阳离子聚合性化合物的重量比为80:20〜10:90。