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    Photohardenable resin composition providing heat-resistant photohardened product
    1.
    发明授权
    Photohardenable resin composition providing heat-resistant photohardened product 有权
    提供耐热光硬化产品的可光硬化树脂组合物

    公开(公告)号：US06413698B1

    公开(公告)日：2002-07-02

    申请号：US09478462

    申请日：2000-01-06

    申请人： Yorikazu Tamura ,  Tsuneo Hagiwara ,  Makoto Ohtake ,  Minoru Shinoda ,  Toshiharu Suzuki ,  Tatsuhiko Ozaki ,  Yasushi Ishihama ,  Takayuki Nakamura

    发明人： Yorikazu Tamura ,  Tsuneo Hagiwara ,  Makoto Ohtake ,  Minoru Shinoda ,  Toshiharu Suzuki ,  Tatsuhiko Ozaki ,  Yasushi Ishihama ,  Takayuki Nakamura

    IPC分类号： G03F7028

    CPC分类号： G03F7/0037 ,  B33Y70/00 ,  C08G18/675 ,  C08L75/16 ,  G03F7/027

    摘要： A photohardenable resin composition comprising (A) a urethanated acrylic compound represented by formula (I): (A)a—C—(R)4−a wherein R is H or alkyl; a is 3 or 4; and A represents a group of formula (II): wherein D represents —CH2CH2O—, —CH2CH(CH3)O—, —CH2CH2COO— or —(CH2)6COO—; E represents —CH2CH2O—, —CH2CH(CH3)O—, —COCH2CH2O— or —CO(CH2)6O—; G represents a diol or triol residual group; J represents a divalent or trivalent and substituted or unsubstituted hydrocarbon group; L represents —(CH2CH2O)h— (h: integer of 1 to 4), —(CH2CH(CH3)O)j— (j: integer of 1 to 4), or —(CH2CH2O)k—(CH2CH(CH3)O)m— (k, m: integer of 1 to 3 (k+m=2, 3 or 4); b, c, and d are each 0 or 1 (b+c+d=1, 2 or 3); e is 0, 1 or 2; f is 0 or 1 (e+f=1 or 2); and g is 1 or 2, and (B) a radical polymerizable compound at a (A) : (B) ratio of 80:20 to 10:90 by weight.

    摘要翻译： 一种可光硬化树脂组合物，其包含（A）由式（I）表示的氨基甲酸酯化丙烯酸化合物：其中R是H或烷基; a是3或4; 并且A表示式（II）的基团：其中D表示-CH 2 CH 2 O-，-CH 2 CH（CH 3）O - ， - CH 2 CH 2 COO-或 - （CH 2）6 COO-; E表示-CH 2 CH 2 O-，-CH 2 CH（CH 3）O-，-COCH 2 CH 2 O-或-CO（CH 2）6 O-; G表示二醇或三醇残基; J表示二价或三价且取代或未取代的烃基; L表示 - （CH 2 CH 2 O）h - （h：1〜4的整数）， - （CH 2 CH（CH 3）O）j-（j：1〜4的整数）或 - （CH 2 CH 2 O）k-（CH 2 CH O）m-（k，m：1〜3的整数（k + m = 2,3或4）; b，c和d分别为0或1（b + c + d = 1,2或3） ; e为0,1或2; f为0或1（e + f = 1或2）; g为1或2，（B）自由基聚合性化合物的（A）：（B） 80:20至10:90（重量）

    Photocurable resin composition and method of optically forming three-dimensional shape
    5.
    发明授权
    Photocurable resin composition and method of optically forming three-dimensional shape 失效
    光固化树脂组合物和光学形成三维形状的方法

    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。

    Stereolithographic resin composition
    6.
    发明授权
    Stereolithographic resin composition 失效
    立体光刻树脂组合物

    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。

    Photocurable resin composition
    7.
    发明授权
    Photocurable resin composition 失效
    光固化树脂组合物

    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 。

    Three-dimensional object by optical stereography and resin composition containing colorant for producing the same
    10.
    发明授权
    Three-dimensional object by optical stereography and resin composition containing colorant for producing the same 失效
    通过光学立体成型的三维物体和含有用于制造它的着色剂的树脂组合物

    公开(公告)号：US6036910A

    公开(公告)日：2000-03-14

    申请号：US935987

    申请日：1997-09-23

    申请人： Yorikazu Tamura ,  Tsuneo Hagiwara

    发明人： Yorikazu Tamura ,  Tsuneo Hagiwara

    IPC分类号： C08F2/44 ,  C08F2/48 ,  C08F290/06 ,  G03F7/00 ,  G03F7/027 ,  G03C5/16 ,  C08F2/46 ,  C08K3/04 ,  G03C9/08

    CPC分类号： G03F7/027 ,  G03F7/0037

    摘要： A resin composition for three-dimensional object by optical stereolithography containing a colorant, such as carbon black, in an amount of 0.05 to 0.5% by weight can provide a colored three-dimensional object which has excellent physical and mechanical properties such as dimensional accuracy, shape stability, hardness and tensile strength and elastic modulus in tension, as well as light-shielding properties, gives a massive impression and is colorful at a high optical shaping speed and in a good productivity.

    摘要翻译： 含有0.05〜0.5重量％的炭黑等着色剂的光学立体光刻用的三维物体用树脂组合物可以提供具有良好的物理机械性能，例如尺寸精度， 形状稳定性，硬度和拉伸强度以及拉伸弹性模量以及遮光性能给人以巨大的印象，并且在高的光学成形速度和良好的生产率下是丰富多彩的。