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    • 3. 发明授权
    • Process for production of uv-curable liquid polyurethane resin
    • 紫外可固化液体聚氨酯树脂的生产工艺
    • US07531580B2
    • 2009-05-12
    • US10552236
    • 2004-04-07
    • Tetsuya WatanabeTakashi ChibaShuzo Yamada
    • Tetsuya WatanabeTakashi ChibaShuzo Yamada
    • C08F2/46C08F2/50
    • H04N5/782C08F290/067C08G18/672C09D175/16H04N7/0887H04N21/235H04N21/4147H04N21/435H04N21/4383H04N21/462H04N21/47214C08G18/6644
    • (A) a polycarbonatediol, (B) a trifunctional alcohol, and (C) a diisocyanate are subjected to reaction in the presence of (D) a (meth)acrylate compound represented by the general formula CH2═CRCO(OCnH2n)pR′ or CH2═CRCO(OCmH2m)qOCOCH═CH2, and (E) a di(meth)acrylate compound of alkylene glycol whose alkylene group is substituted as a lower alkyl group, and then (F) a hydroxyl group-containing (meth)acrylate is added to the resulting solution of urethane oligomers in (meth)acrylate to conduct terminal (meth)acrylating reaction of the urethane oligomers, thereby producing a UV-curable liquid polyurethane resin having a viscosity (25° C.) of preferably 150,000-1,000,000 mPa·s, where before or after the terminal (meth)acrylating reaction of the urethane oligomers (G) a photopolymerization initiator and (H) a hindered phenol-based antioxidant having a molecular weight of 500-2,000 are added thereto to form the UV-curable liquid polyurethane resin. The UV-curable liquid polyurethane resin can produce HDD gaskets, etc. in a cross-sectional shape with a good sealability by an automatic coating robot efficiently.
    • (A)聚碳酸酯二醇,(B)三官能醇,和(C)二异氰酸酯在(D)由通式CH 2 -CRCO(OC n H 2n)p R'表示的(甲基)丙烯酸酯化合物的存在下进行反应或 CH2-CRCO(OCmH2m)qOCOCH-CH2和(E)亚烷基二醇的二(甲基)丙烯酸酯化合物,其亚烷基被取代为低级烷基,然后(F)含羟基的(甲基)丙烯酸酯是 加入到(甲基)丙烯酸酯中的氨基甲酸酯低聚物的所得溶液中以进行氨基甲酸酯低聚物的末端(甲基)丙烯酸酯化反应,从而制备粘度(25℃)优选为150,000-1,000,000mPa的UV可固化液体聚氨酯树脂 在氨基甲酸酯低聚物(G),光聚合引发剂和(H)分子量为500〜2000的受阻酚系抗氧化剂的末端(甲基)丙烯酸酯化反应之前或之后,向其中加入UV- 可固化液体聚氨酯树脂。 紫外线固化性液体聚氨酯树脂可以通过自动涂布机器人有效地生产具有良好密封性的横截面形状的HDD垫片等。
    • 4. 发明申请
    • Process for production of uv-curable liquid polyurethane resin
    • 紫外可固化液体聚氨酯树脂的生产工艺
    • US20060194938A1
    • 2006-08-31
    • US10552236
    • 2004-04-07
    • Tetsuya WatanabeTakashi ChibaShuzo Yamada
    • Tetsuya WatanabeTakashi ChibaShuzo Yamada
    • C08G18/00
    • H04N5/782C08F290/067C08G18/672C09D175/16H04N7/0887H04N21/235H04N21/4147H04N21/435H04N21/4383H04N21/462H04N21/47214C08G18/6644
    • (A) a polycarbonatediol, (B) a trifunctional alcohol, and (C) a diisocyanate are subjected to reaction in the presence of (D) a (meth)acrylate compound represented by the general formula CH2═CRCO(OCnH2n)pR′ or CH2═CRCO(OCmH2m)qOCOCH═CH2, and (E) a di(meth)acrylate compound of alkylene glycol whose alkylene group is substituted as a lower alkyl group, and then (F) a hydroxyl group-containing (meth)acrylate is added to the resulting solution of urethane oligomers in (meth)acrylate to conduct terminal (meth)acrylating reaction of the urethane oligomers, thereby producing a UV-curable liquid polyurethane resin having a viscosity (25° C.) of preferably 150,000-1,000,000 mPa·s, where before or after the terminal (meth)acrylating reaction of the urethane oligomers (G) a photopolymerization initiator and (H) a hindered phenol-based antioxidant having a molecular weight of 500-2,000 are added thereto to form the UV-curable liquid polyurethane resin. The TV-curable liquid polyurethane resin can produce HDD gaskets, etc. in a cross-sectional shape with a good sealability by an automatic coating robot efficiently.
    • (A)聚碳酸酯二醇,(B)三官能醇和(C)二异氰酸酯在(D)由通式CH 2(2)表示的(甲基)丙烯酸酯化合物的存在下进行反应, -CRCO(OC n H 2n)R'或CH 2 -CRCO(OC m) (E)二(甲基)丙烯酸亚烷基二醇的二(甲基)丙烯酸酯化合物,其亚烷基 取代为低级烷基,然后向(甲基)丙烯酸酯中的氨基甲酸酯低聚物溶液中加入(F)含羟基的(甲基)丙烯酸酯,进行氨基甲酸酯低聚物的末端(甲基)丙烯酸酯化反应, 从而生产粘度(25℃)优选为150,000-1,000,000mPa.s的UV可固化液体聚氨酯树脂,其中在氨基甲酸酯低聚物(G)为光聚合引发剂的末端(甲基)丙烯酸酯化反应之前或之后,和 H)分子量为500〜2000的受阻酚系抗氧化剂 以形成UV可固化液体聚氨酯树脂。 电视可固化液体聚氨酯树脂可以通过自动涂布机器人有效地生产具有良好密封性的横截面形状的HDD垫片等。
    • 10. 发明授权
    • Electric drill apparatus
    • 电钻机
    • US07121773B2
    • 2006-10-17
    • US10674249
    • 2003-09-29
    • Toshio MikiyaKeisuke ShimadaMunenori YamaguchiTakashi ChibaKenji Ohtsuka
    • Toshio MikiyaKeisuke ShimadaMunenori YamaguchiTakashi ChibaKenji Ohtsuka
    • B23B39/00
    • B25H1/0071B23Q11/04Y10T408/13Y10T408/14Y10T408/16Y10T408/165Y10T408/17Y10T408/554Y10T408/65Y10T408/6779
    • An electric drill apparatus having a low profile is provided which comprises an annular cutter, a motor for rotating the annular cutter, a rotary shaft assembly for rotating the annular cutter attached to its leading end about a rotating, a rotation reduction mechanism disposed between the motor and rotary shaft assembly for transmitting a driving force of the motor to the annular cutter through the rotary shaft assembly, a feed mechanism responsive to an operation of a manual handle, for moving the rotary shaft assembly along with a straight line to advance or retract the annular cutter attached to the rotary shaft assembly with respect to a workpiece, and an adhesion base for securing the electric drill apparatus to the workpiece. The annular cutter has a plurality of cutting blades comprised of cemented carbide tips fixed on its lower end, thereby it is capable of rotating at a high speed. The rotary shaft assembly has a rotating shaft which rotates in a direction different from that of a rotating shaft of the motor, thereby the drill apparatus has a low profile.
    • 提供一种具有低轮廓的电钻装置,其包括环形切割器,用于旋转环形切割器的马达,用于旋转安装在其前端周围的旋转的环形切割器的旋转轴组件,设置在马达 以及用于通过旋转轴组件将电动机的驱动力传递到环形切割器的旋转轴组件,响应于手动手柄的操作的进给机构,用于沿着直线移动旋转轴组件以推进或缩回 环形切割器相对于工件附接到旋转轴组件,以及用于将电钻装置固定到工件的粘合基座。 环形切割器具有多个切割刀片,其由固定在其下端上的硬质合金刀头组成,从而能够高速旋转。 旋转轴组件具有沿与电动机的旋转轴不同的方向旋转的旋转轴,从而钻具具有低轮廓。