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    • 2. 发明授权
    • (Meth)acrylic premix, (meth)acrylic SMC or BMC, and process producing (meth)acrylic artificial marble
    • (甲基)丙烯酸类预混物,(甲基)丙烯酸系SMC或BMC,以及(甲基)丙烯酸类人造大理石的制造方法
    • US06316548B1
    • 2001-11-13
    • US09418362
    • 1999-10-14
    • Seiya KoyanagiKatsumi YonekuraShinji SaikiKentaro HayashiYuichiro Kishimoto
    • Seiya KoyanagiKatsumi YonekuraShinji SaikiKentaro HayashiYuichiro Kishimoto
    • C08L3306
    • C04B26/06C04B2111/545C08F265/06Y10S525/902C04B40/0071C04B40/0082C08F2/02
    • A (meth)acrylic premix comprising a (meth)acrylic resin composition (A) containing a (meth)acrylic monomer (a) and a (meth)acrylic polymer (b), an inorganic filler (B), and a curing agent (C), wherein, the component (a) is a (meth)acrylate having a bicyclo ring, fluorine atom, cyclic ether, cyclohexane ring or tricyclo ring, and the component (C) is a radical polymerization initiator having a 10 hours half-life temperature of 75° C. or more; an acrylic SMC or BMC comprising this (meth)acrylic premix and a thickening agent; and a method for producing (meth)acrylic artificial marble, wherein this (meth)acrylic SMC or BMC is cured with being pressurized and heated at a temperature in the range from 105 to 150° C., are provided. These are useful for producing (meth)acrylic artificial marble having various excellent physical properties such as appearance, dimension stability, hot water resistance, weatherability.
    • 包含(甲基)丙烯酸系单体(a)和(甲基)丙烯酸系聚合物(b)的无机填料(B)和固化剂(甲基)丙烯酸系单体 C),其中,(a)成分为具有双环,(氟原子),环状醚,环己烷环或三环的(甲基)丙烯酸酯,(C)成分为半衰期为10小时的自由基聚合引发剂, 生活温度75℃以上; 包含该(甲基)丙烯酸类预混物的丙烯酸SMC或BMC和增稠剂; 和(甲基)丙烯酸类人造大理石的制造方法,其中,所述(甲基)丙烯酸系SMC或BMC在105〜150℃的温度下被加压和加热而固化。 这些可用于生产具有各种优异物理性质(如外观,尺寸稳定性,耐热水性,耐候性)的(甲基)丙烯酸人造大理石。
    • 6. 发明授权
    • Crosslinking curable resin composition
    • 交联固化性树脂组合物
    • US5356754A
    • 1994-10-18
    • US950500
    • 1992-09-25
    • Kenji KushiKen-ichi InukaiTakayuki IsekiSeiya Koyanagi
    • Kenji KushiKen-ichi InukaiTakayuki IsekiSeiya Koyanagi
    • C08G65/332G03F7/027G03F7/033G03C1/73
    • C08G65/3322G03F7/027G03F7/033C08G2650/16C08G2650/20C08L2312/00
    • A photopolymerizable or radiation polymerizable alkaline developing crosslinking curable resin composition possessing superior antiplating properties and a short stripping period, in which the stripped plate is not easily dissolved in the stripping fluid, and which is comprising:(a) 5-30 parts by weight of at least one compound possessing in one molecule on the average 1.5 or more (meth)acryloyloxy groups, which is obtained by reacting (meth)acrylic acid with a reaction product formed by adding, to a polyatomic alcohol possessing 3 or more OH groups in one molecule, an alkylene oxide containing propylene oxide in an amount of 67% molar or greater in an amount of 5-12 moles per mole of OH group in the aforementioned polyatomic alcohol,(b) 5-30 parts by weight of at least one crosslinkable monomer other than that stated above in (a) , possessing in one molecule 2 or more ethylenically unsaturated groups,(c) 45-75 parts by weight of a thermoplastic polymer for use as a binder, the thermoplastic polymer in turn being formed of 15-35 wt % of at least one .alpha., .beta.-unsaturated carboxyl group containing a monomer having 3-15 carbon atoms, and 65-85 wt % of another copolymerizable monomer, and(d) 0-10 parts by weight of a photopolymerization initiator.
    • 一种可光聚合或可辐照聚合的碱性显影交联可固化树脂组合物,其具有优异的抗剥落性能和短的剥离时间,其中剥离板不容易溶解在剥离液中,并且其包含:(a)5-30重量份 至少一种在一个分子中具有平均1.5个或更多个(甲基)丙烯酰氧基的化合物,其通过使(甲基)丙烯酸与通过在一个具有3个或更多个OH基团的多原子醇中加入形成的反应产物 分子,在上述多原醇中每摩尔OH基团为5-12摩尔量的67摩尔%以上的环氧丙烷的环氧烷烃,(b)5-30重量份的至少一种可交联的 具有上述(a)中所述的单体,在一个分子中具有2个或更多个烯属不饱和基团,(c)45-75重量份用作粘合剂的热塑性聚合物,其它 另外,塑性聚合物又由15-35重量%的至少一种含有3-15个碳原子的单体的α,β-不饱和羧基和65-85重量%的另一个可共聚单体形成,和(d)0- 10重量份的光聚合引发剂。