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    PHOTOCURABLE RESIN COMPOSITION, CURED PRODUCT THEREOF, AND METHOD FOR PRODUCING THREE-DIMENSIONAL OBJECT
    3.
    发明公开
    PHOTOCURABLE RESIN COMPOSITION, CURED PRODUCT THEREOF, AND METHOD FOR PRODUCING THREE-DIMENSIONAL OBJECT 审中-公开

    公开(公告)号：US20230287151A1

    公开(公告)日：2023-09-14

    申请号：US18320874

    申请日：2023-05-19

    申请人： CANON KABUSHIKI KAISHA

    发明人： TAKAYUKI HIRATANI ,  KYOHEI WADA ,  RYO OGAWA

    IPC分类号： C08F2/48 ,  C08F299/06 ,  C08F220/18

    CPC分类号： C08F2/48 ,  C08F299/06 ,  C08F220/18 ,  C08F2400/00

    摘要： A photocurable resin composition includes, as a polyfunctional radical-polymerizable compound (A), a polyfunctional urethane (meth)acrylate (a1) intramolecularly including at least two (meth)acryloyl groups and two urethane groups and including a structure represented by General formula (1) or (2), wherein a content of the polyfunctional urethane (meth)acrylate (a1) relative to 100 parts by mass of a total amount of the polyfunctional radical-polymerizable compound (A) and a monofunctional radical-polymerizable compound (B) is 10 parts by mass or more and 60 parts by mass or less, and a content of rubber particles (C) relative to 100 parts by mass of the total amount of the polyfunctional radical-polymerizable compound (A) and the monofunctional radical-polymerizable compound (B) is 2 parts by mass or more and less than 18 parts by mass.

    VINYL RESIN PRODUCTION METHOD
    5.
    发明申请
    VINYL RESIN PRODUCTION METHOD 有权
    乙烯树脂生产方法

    公开(公告)号：US20170029540A1

    公开(公告)日：2017-02-02

    申请号：US15302281

    申请日：2015-04-08

    申请人： KURARAY CO., LTD. ,  KURARAY EUROPE GMBH

    发明人： Tadahito FUKUHARA ,  Yosuke KUMAKI ,  Samuel MICHEL ,  Dirk HARTMANN

    IPC分类号： C08F114/06

    CPC分类号： C08F114/06 ,  C08F2/18 ,  C08F2/20 ,  C08F14/06 ,  C08F2400/00

    摘要： A dispersion stabilizer in the present invention contains an aqueous emulsion (a) obtained by dispersing a polymer (A) having an ethylenically unsaturated monomer unit in an aqueous medium, a PVA (B) having a degree of saponification of 65 mol % or more and less than 82 mol % and a viscosity-average degree of polymerization of 250 or more and less than 1500, and a PVA (C) having a degree of saponification of 82 mol % or more and less than 98 mol % and a viscosity-average degree of polymerization of 1500 or more and less than 4000. The dispersion stabilizer contains: 7 to 51 mass % of the polymer (A); 40 to 84 mass % of the PVA (B); and 9 to 53 mass % of the PVA (C), with respect to a total amount of the polymer (A), the PVA (B), and the PVA (C). A vinyl resin satisfying required performance can be obtained using the dispersion stabilizer.

    摘要翻译： 本发明的分散稳定剂含有通过将具有烯键式不饱和单体单元的聚合物（A）分散在水性介质中而得到的水性乳液（a），皂化度为65摩尔％以上的PVA（B） 低于82摩尔％，粘均聚合度为250以上且小于1500的皂化度为82摩尔％以上且小于98摩尔％的PVA（C），粘度平均值 聚合度为1500以上且小于4000.分散稳定剂含有：7〜51质量％的聚合物（A）; 40〜84质量％的PVA（B）; 相对于聚合物（A），PVA（B）和PVA（C）的总量，为9〜53质量％的PVA（C）。 使用分散稳定剂可以得到满足所需性能的乙烯基树脂。