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1. 发明授权

US5397498A Method for cleaning molding machine in which residual thermoplastic resins remain and cleaning composition therefor 失效
标题翻译：清洁成型机的方法，其中残留有热塑性树脂并清洗组合物
公开(公告)号：US5397498A
公开(公告)日：1995-03-14
申请号：US204886
申请日：1994-03-02
申请人： Yuzuru Ishida , Masahiro Mitsuboshi , Ichirou Otsuka , Haruo Inoue
发明人： Yuzuru Ishida , Masahiro Mitsuboshi , Ichirou Otsuka , Haruo Inoue
IPC分类号： B29C33/72 , C11D1/12 , C11D3/00 , C11D3/075
CPC分类号： B29C33/722
摘要： A method for cleaning the interior of a molding machine having a residual thermoplastic resin after molding comprises the step of cleaning the interior of a molding machine with a cleaning composition which comprises:(A) 100 parts by weight of a thermoplastic resin;(B) 2 to 100 parts by weight of a polyalkylene oxide glycol having a viscosity-average molecular weight ranging from 10,000 to 1,500,000; and(C) 0.5 to 5 parts by weight, per 100 parts by weight of the sum of the foregoing components (A) and (B), of an alkylsulfate represented by the following general formula (I):R.sub.1 --O--SO.sub.3 M (I) wherein R.sub.1 represents an alkyl group having 8 to 20 carbon atoms and M represents an ion selected from the group consisting of K, Na and NH.sub.4 or a fatty acid salt represented by the following general formula (II):R.sub.2 COOX (II) wherein R.sub.2 represents an alkyl group having 7 to 23 carbon atoms and X represents an ion selected from the group consisting of K, Na, Ca, Mg and Zn.The cleaning method exhibits excellent properties of cleaning molding machines and makes it possible to perform rapid exchange of colors and/or kinds of resins within a single molding machine.
摘要翻译：一种在成型后具有残余热塑性树脂的成型机的内部清洁方法包括用清洁组合物清洗成型机内部的步骤，该清洗组合物包括：（A）100重量份的热塑性树脂; （B）2〜100重量份粘均分子量为10,000〜1,500,000的聚环氧烷二醇; 和（C）每100重量份上述组分（A）和（B）的总和为0.5-5重量份的由以下通式（I）表示的烷基硫酸盐：R 1 -O-SO 3 M（ I）其中R1表示具有8至20个碳原子的烷基，M表示选自K，Na和NH 4的离子或由以下通式（II）表示的脂肪酸盐：R2COOX（II）其中 R2表示碳原子数为7〜23的烷基，X表示选自K，Na，Ca，Mg，Zn等的离子。清洗方法表现出优异的清洁成型机的性能，并且可以在单个成型机内执行颜色和/或种类的树脂的快速交换。

2. 发明授权

US5185394A Rubber-modified styrene type resin composition excellent in sliding properties 失效
标题翻译：橡胶改性苯乙烯类树脂组合物的滑动性优异
公开(公告)号：US5185394A
公开(公告)日：1993-02-09
申请号：US584603
申请日：1990-09-19
申请人： Yuzuru Ishida , Masahiro Mitsuboshi , Haruo Inoue , Ichiro Otsuka , Keiji Iio
发明人： Yuzuru Ishida , Masahiro Mitsuboshi , Haruo Inoue , Ichiro Otsuka , Keiji Iio
IPC分类号： C08L51/04
CPC分类号： C08L51/04
摘要： A rubber-modified styrene type resin composition excellent in sliding properties which comprises 100 parts by weight of a rubber-modified styrene type resin and 2.2 to 3.2 parts by weight of dimethyl silicone oil having a viscosity ranging from 5,000 to 15,000 centistokes at 25.degree. C., the styrene type resin comprising 3 to 8% by weight of a rubber-like polymer which is present in the form of microgels having an average particle size ranging from 0.6 to 1.2 micron, and having an intrinsic viscosity of 0.53 to 0.65 and the content of methanol-soluble matter in the range of from 0.5 to 1.5% by weight, is herein disclosed. The rubber-modified styrene type resin composition is excellent in its sliding properties and thus does not provide a molded product having poor appearance during molding. The rubber-modified styrene type resin composition is used to form mechanical parts in the fields of household appliances and OA apparatuses.
摘要翻译：橡胶改性苯乙烯型树脂组合物，其滑动性优异，包括100重量份橡胶改性苯乙烯类树脂和2.2〜3.2重量份在25℃粘度为5000〜15000厘沲的二甲基硅油，苯乙烯类树脂包含3-8重量％的橡胶状聚合物，其以平均粒度范围为0.6-1.2微米的形式存在，并且具有0.53至0.65的特性粘度，并且本文公开了甲醇可溶物的含量在0.5至1.5重量％的范围内。橡胶改性苯乙烯系树脂组合物的滑动性优异，不能得到成型时外观差的成型体。橡胶改性苯乙烯类树脂组合物用于在家用电器和OA设备领域中形成机械部件。

3. 发明授权

US5151457A Resin compositions having improved antistatic properties 失效
标题翻译：具有改进的抗静电性能的树脂组合物
公开(公告)号：US5151457A
公开(公告)日：1992-09-29
申请号：US796918
申请日：1991-10-22
申请人： Yuzuru Ishida , Haruo Inoue , Ichiro Otsuka , Masato Takaku , Masahiro Mitsuboshi , Keiji Iio , Atsushi Hashimoto
发明人： Yuzuru Ishida , Haruo Inoue , Ichiro Otsuka , Masato Takaku , Masahiro Mitsuboshi , Keiji Iio , Atsushi Hashimoto
IPC分类号： C08L25/00 , C08K3/00 , C08K3/22 , C08K5/17 , C08K5/41 , C08K5/42 , C08K5/43 , C08K13/02 , C08L25/02 , C08L33/00 , C08L33/04 , C08L33/06 , C08L71/00 , C08L71/02
CPC分类号： C08K5/41 , C08L25/02 , C08L33/06 , C08L71/02
摘要： A resin composition having excellent antistatic properties and practical physical properties. The resin comprises (i) a styrene resin; (ii) a polyethylene oxide having a viscosity-average molecular weight ranging from 15,000 to 1,200,000; (iii) either or both of a (meth) acrylate resin and an oxide selected from the group consisting of titanium oxide, zinc oxide and magnesium oxide; (iv) either a surfactant selected from specific sulfonic acid salts or a surfactant selected from specific alkyl sulfates; and, optionally, (v) a (poly)ethylene glycol having an average molecular weight ranging from 62 to 1,200. The resin composition also provides excellent resistance to hot water.

4. 发明授权

US4987170A Styrene resin composition excellent in sliding properties 失效
标题翻译：苯乙烯树脂组合物的滑动性能优异
公开(公告)号：US4987170A
公开(公告)日：1991-01-22
申请号：US404628
申请日：1989-09-08
申请人： Yuzuru Ishida , Masahiro Mitsuboshi , Haruo Inoue , Ichiro Otsuka , Keiji Iio
发明人： Yuzuru Ishida , Masahiro Mitsuboshi , Haruo Inoue , Ichiro Otsuka , Keiji Iio
IPC分类号： C08L25/04 , C08J5/16 , C08K5/1539 , C08K5/5419 , C08L25/00 , C08L25/02 , C08L35/06 , C08L51/04 , C08L73/00 , C08L83/04
CPC分类号： C08L51/04 , C08K5/1539 , C08K5/5419 , C08L25/02 , C08L35/06 , C08L83/04
摘要： A styrene resin composition excellent in sliding properties which comprises 100 parts by weight of a styrene polymer, 2.0 to 4.0 parts by weight of dimethylsilicone oil having a viscosity ranging from 5,000 to 15,000 centistokes at 25.degree. C. and 0.05 to 8 parts by weight of maleic anhydride monomer or 0.05 to 50 parts by weight of a maleic anhydride-styrene copolymer containing at least 5% by weight of maleic anhydride monomer units is herein disclosed. The styrene resin composition is excellent in sliding properties and thus does not provide a molded product having poor appearance during molding. The styrene resin composition is used to form mechanical parts in the fields of household appliances and office automation apparatuses.

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