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    • 3. 发明授权
    • Resin having superior impact strength and color, and method for preparing the same
    • 具有优异冲击强度和颜色的树脂及其制备方法
    • US08450395B2
    • 2013-05-28
    • US12943855
    • 2010-11-10
    • Se Eun LeeDong Jo RyuSeon Hee HanJeong Heon Ahn
    • Se Eun LeeDong Jo RyuSeon Hee HanJeong Heon Ahn
    • C08L33/06
    • C08F220/14C08F265/04C08F265/06C08F285/00C08F222/26C08F220/18C08F212/08
    • Disclosed is a resin having excellent impact resistance and color, and a method of preparing the same, and more specifically, a resin having the excellent impact resistance and color, and a method of preparing the same, in which the resin includes (a) an occlusion seed consisting of i) a base seed including 99.95 to 99 wt % of alkyl methacrylate and 0.05 to 1 wt % of crosslinker, and ii) a copolymer of aromatic vinyl compound and alkyl acrylate occluding the base seed; (b) a polymer core surrounding the occlusion seed; and (c) a polymer shell surrounding the core, and according to the present invention, it is effective in providing a resin having superior impact strength, transparency, and color, in which the resin can be used as an excellent impact modifier when applying on a polymethylmethacrylate resin, and a method of preparing the same.
    • 公开了具有优异的耐冲击性和颜色的树脂及其制备方法,更具体地说,具有优异的耐冲击性和颜色的树脂及其制备方法,其中树脂包括(a) 封闭种子,由i)含有99.95〜99重量%的甲基丙烯酸烷基酯和0.05〜1重量%的交联剂的基础种子,和ii)芳香族乙烯基化合物与丙烯酸烷基酯的共聚物, (b)包围闭塞种子的聚合物核; 和(c)围绕芯的聚合物壳,根据本发明,提供具有优异的冲击强度,透明度和颜色的树脂是有效的,其中当施加在树脂上时可以用作优异的抗冲改性剂 聚甲基丙烯酸甲酯树脂及其制备方法。
    • 4. 发明授权
    • Method of power generation and its apparatus utilizing gravitation force
and buoyancy
    • 发电方法及其利用重力和浮力的装置
    • US4674281A
    • 1987-06-23
    • US863840
    • 1986-05-16
    • Myung K. KimSe Eun LeeBaek K. Shin
    • Myung K. KimSe Eun LeeBaek K. Shin
    • F03B17/02F03G7/10F03G3/00
    • F03G7/10F03B17/025Y02E10/20
    • An apparatus for the generation of power which comprises a first cylinder and a second cylinder, a first float member and a second float member disposed in the first and second cylinders, respectively, a first inner cylinder and a second inner cylinder disposed in the first and second float members, respectively, a first lever and a second lever connected to the first and second float members, a crank member rotatably disposed on a crank shaft, a pair of arms connected at one end to the crank member and at the other end to the first and second levers, introducing and removing member of a fluid to and from the first and second cylinders, introducing and discharging member of air to and from the first and second float members, whereby when the fluid and air are introduced into the first cylinder and float member, and simultaneously removed from the second cylinder and float member, the first float member is caused to rise in the first cylinder and the second float member is caused to fall in the second cylinder, causing the levers to move up and down and causing the crank to rotate about its crank shaft.
    • 一种用于产生动力的装置,包括分别设置在第一和第二气缸中的第一气缸和第二气缸,第一浮子构件和第二浮子构件,分别设置在第一和第二气缸中的第一内筒和第二内筒 第二浮子构件,分别与第一和第二浮子构件连接的第一杆和第二杆,可旋转地设置在曲轴上的曲柄构件,一端连接到曲柄构件,另一端连接到 第一和第二杠杆,将流体的构件从第一和第二气缸引入和移出,将空气的构件从第一和第二浮子构件引入和排出,由此当流体和空气被引入第一气缸 并且浮子部件同时从第二气缸和浮子部件移除,使第一浮子部件在第一气缸中升高,使第二浮子部件发生 在第二气缸中,导致杆上下移动并使曲柄围绕其曲轴旋转。