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1. 发明授权

US5854366A Styrene base random copolymer and process for producing the same 失效
标题翻译：苯乙烯基无规共聚物及其制备方法
公开(公告)号：US5854366A
公开(公告)日：1998-12-29
申请号：US744143
申请日：1996-11-12
申请人： Satoshi Nakagawa , Shuji Yoshimi , Hayato Kihara
发明人： Satoshi Nakagawa , Shuji Yoshimi , Hayato Kihara
IPC分类号： C08F2/00 , C08F2/02 , C08F6/06 , C08F6/10 , C08F212/00 , C08F212/06 , C08F212/08 , C08F212/36
CPC分类号： C08F212/08
摘要： A styrene base random copolymer having a weight average molecular weight of 200,000 to 1,000,000, a monovinylbenzene unit and a divinylbenzene unit in an amount of 50 to 500 ppm by weight based on the weight of the monovinylbenzene unit, the divinylbenzene unit consisting of p-divinylbenzene unit and m-divinylbenzene unit, wherein the weight ratio between the p-divinylbenzene unit and the m-divinylbenzene unit is in the range of 100:0 to 75:25, which is superior in impact strength, melt tension, heat resistance and fluidity, and which is capable of being molded within a short molding cycle, is industrially advantageously produced by a continuous bulk polymerization without troubles such as undesirable deposits of polymeric gel material on reactor walls.
摘要翻译：基于单乙烯基苯单元的重量，重均分子量为200,000至1,000,000的苯乙烯基无规共聚物，单乙烯基苯单元和二乙烯基苯单元的量为50至500重量ppm，二乙烯基苯单元由对二乙烯基苯单元和间二乙烯基苯单元，其中对二乙烯基苯单元和间二乙烯基苯单元之间的重量比在100:0至75:25的范围内，其冲击强度，熔体张力，耐热性和流动性优异，并且其能够在短的成型周期内模制，在工业上有利地通过连续本体聚合制备，而没有诸如聚合物凝胶材料在反应器壁上的不希望的沉积物的麻烦。

2. 发明授权

US5459210A Processes for producing styrene copolymers 失效
标题翻译：生产苯乙烯共聚物的方法
公开(公告)号：US5459210A
公开(公告)日：1995-10-17
申请号：US197718
申请日：1994-02-17
申请人： Hayato Kihara , Satoshi Nakagawa , Shuji Yoshimi
发明人： Hayato Kihara , Satoshi Nakagawa , Shuji Yoshimi
IPC分类号： C08F2/02 , C08F2/06 , C08F2/20 , C08F212/08 , C08F4/38
CPC分类号： C08F212/08
摘要： Disclosed are a styrene copolymer having a weight average molecular weight of about 200,000 to 2,000,000, having 1 to 20 branching points in the Z-average molecular weight, and having a methyl ethyl ketone/methanol mixture-insoluble matter content of not more than 5% by weight and a methanol-soluble matter content of not more than 5% by weight; processes for preparing the styrene copolymer; a polystyrene resin composition containing the styrene copolymer; and injection-molded article prepared by injection-molding the polystyrene resin composition.
摘要翻译：公开了重均分子量为约200,000至2,000,000，Z平均分子量为1至20个支化点，并且甲基乙基酮/甲醇混合物不溶物含量不超过5％的苯乙烯共聚物，并且甲醇可溶物质含量不超过5重量％; 制备苯乙烯共聚物的方法; 含有苯乙烯共聚物的聚苯乙烯树脂组合物; 和通过注射成型聚苯乙烯树脂组合物制备的注射成型制品。

3. 发明授权

US5708112A Styrene copolymers, polystyrene compositions, and injection-molded articles 失效
标题翻译：苯乙烯共聚物，聚苯乙烯组合物和注模制品
公开(公告)号：US5708112A
公开(公告)日：1998-01-13
申请号：US419940
申请日：1995-04-11
申请人： Hayato Kihara , Satoshi Nakagawa , Shuji Yoshimi , Shinichi Mitsui
发明人： Hayato Kihara , Satoshi Nakagawa , Shuji Yoshimi , Shinichi Mitsui
IPC分类号： C08F2/02 , C08F2/06 , C08F2/20 , C08F212/08 , C08F236/20
CPC分类号： C08F212/08
摘要： Disclosed are a styrene copolymer having a weight average molecular weight of about 200,000 to 2,000,000, having 1 to 20 branching points in the Z-average molecular weight, and having a methyl ethyl ketone/methanol mixture-insoluble matter content of not more than 5% by weight and a methanol-soluble matter content of not more than 5% by weight; processes for preparing the styrene copolymer; a polystyrene resin composition containing the styrene copolymer; and injection-molded article prepared by injection-molding the polystyrene resin composition.
摘要翻译：公开了重均分子量为约200,000至2,000,000，Z平均分子量为1至20个支化点，并且甲基乙基酮/甲醇混合物不溶物含量不超过5％的苯乙烯共聚物，并且甲醇可溶物质含量不超过5重量％; 制备苯乙烯共聚物的方法; 含有苯乙烯共聚物的聚苯乙烯树脂组合物; 和通过注射成型聚苯乙烯树脂组合物制备的注射成型制品。

4. 发明授权

US06660806B1 Rubber-modified styrenic resin composition and molded article thereof 失效
标题翻译：橡胶改性苯乙烯树脂组合物及其成型品
公开(公告)号：US06660806B1
公开(公告)日：2003-12-09
申请号：US09458959
申请日：1999-12-10
申请人： Shuji Yoshimi , Hayato Kihara , Takahiro Ishii
发明人： Shuji Yoshimi , Hayato Kihara , Takahiro Ishii
IPC分类号： C08F27901
CPC分类号： C08L51/04 , C08L23/08 , C08L83/04 , C08L2666/04 , C08L2666/02
摘要： A rubber-modified styrenic resin composition comprising (A) 100 wt. parts of a rubber-modified styrenic resin which contains 10 to 35 wt. % of soft component particles having an average particle size of 0.1 to 0.5 &mgr;m, where said soft component particles have a single occlusion structure comprising a core part which consists of a single continuous phase of a styrenic resin and a shell part which comprises a rubber polymer and occludes said core part, and (B) 0.1 to 10 wt. parts of a polymer having a solubility parameter (SP) of 8.45 to 8.70 and having no aromatic vinyl compound unit therein. This composition has excellent plane impact strength and gloss properties, as well as moldability and other physical properties, and satisfies properties required for exterior materials, wrapping materials and molded foam articles.
摘要翻译：橡胶改性苯乙烯树脂组合物，其包含（A）100重量％橡胶改性苯乙烯树脂的一部分，其含有10〜35重量％％的平均粒径为0.1〜0.5μm的软组分颗粒，其中所述软组分颗粒具有包含由单一连续相的苯乙烯树脂组成的核心部分和包含橡胶聚合物的壳部分的单一闭塞结构并封闭所述核心部分，（B）0.1〜10wt。部分溶解度参数（SP）为8.45〜8.70的聚合物，其中没有芳族乙烯基化合物单元。该组合物具有优异的平面冲击强度和光泽性能，以及成型性等物理性能，并且满足外部材料，包装材料和模塑泡沫制品所需的性能。

5. 发明授权

US5534580A Styrenic resin composition and injection- and extrusion-molded articles 失效
标题翻译：苯乙烯树脂组合物和注射和挤出成型制品
公开(公告)号：US5534580A
公开(公告)日：1996-07-09
申请号：US334330
申请日：1994-11-04
申请人： Shinichi Mitsui , Hayato Kihara , Shuji Yoshimi
发明人： Shinichi Mitsui , Hayato Kihara , Shuji Yoshimi
IPC分类号： C08K3/00 , C08L25/02 , C08L25/04 , C08K3/32
CPC分类号： C08K3/0033 , C08L25/04 , C08L2205/02 , C08L25/02
摘要： Disclosed are a styrenic resin composition comprising (a) a styrenic resin having a weight average molecular weight of 100,000 to 2,000,000 and (b) a finely divided particulate inorganic or organic substance, the inorganic substance having a refractive index of 1.5-2.0 and an average particle diameter of 0.1-20 .mu.m, and the organic substance having a refractive index of 1.5-2.0 and an average particle diameter of 0.1-20 .mu.m and not having a glass transition temperature in a temperature range of 90.degree. C. or below, said particulate inorganic or organic substance accounting for 0.002 to 1 weight % based on the styrenic resin composition, as well as an injection-molded article prepared by molding the styrenic resin composition, and an extrusion-molded article comprising the styrenic resin composition in an amount of at least 50 weight %.
摘要翻译：公开了一种苯乙烯树脂组合物，其包含（a）重均分子量为100,000至2,000,000的苯乙烯树脂和（b）细碎的无机或有机物质，所述无机物质的折射率为1.5-2.0，平均粒径为0.1-20μm，有机物折射率为1.5-2.0，平均粒径为0.1-20μm，玻璃化转变温度在90℃以下的温度范围内所述颗粒状无机或有机物质相对于苯乙烯类树脂组合物为0.002〜1重量％，以及通过将苯乙烯系树脂组合物成型而制备的注射成型品，以及含有苯乙烯系树脂组合物的挤出成型品至少50重量％。

6. 发明授权

US5726215A Styrene resin composition and shaped article thereof 失效
标题翻译：苯乙烯树脂组合物及其成型制品
公开(公告)号：US5726215A
公开(公告)日：1998-03-10
申请号：US555098
申请日：1995-11-08
申请人： Shuji Yoshimi , Hayato Kihara , Takahiro Ishii
发明人： Shuji Yoshimi , Hayato Kihara , Takahiro Ishii
IPC分类号： C08J5/18 , C08L23/02 , C08L23/08 , C08L25/04 , C08L53/00
CPC分类号： C08L23/02 , C08J5/18 , C08L25/04 , C08L53/00 , C08J2325/08 , C08L2207/066 , C08L23/06 , C08L23/08 , C08L23/0869 , C08L23/10
摘要： A styrene resin composition is disclosed which constitutes 45 to 92% by weight of a styrene resin (A), 5 to 45% by weight of an olefin resin other than an ethylene-unsaturated carboxylic acid ester copolymer(B), and 3 to 25% by weight of an ethylene-unsaturated carboxylic acid ester copolymer (C). The styrene resin composition of the present invention may be used to make a variety of shaped articles which exhibit excellent mechanical properties, such as an impact strength, elongation at break and resistance against chemicals such as Freon and oil.
摘要翻译：公开了一种苯乙烯树脂组合物，其占苯乙烯树脂（A）45-92重量％，除乙烯 - 不饱和羧酸酯共聚物（B）以外的5〜45重量％的烯烃树脂，3〜25重量份重量％的乙烯 - 不饱和羧酸酯共聚物（C）。本发明的苯乙烯树脂组合物可以用于制造各种成形制品，其具有优异的机械性能，例如冲击强度，断裂伸长率和耐氟化物和油等化学品。

7. 发明授权

US5489652A Injection-molded articles 失效
标题翻译：注塑制品
公开(公告)号：US5489652A
公开(公告)日：1996-02-06
申请号：US464387
申请日：1995-06-05
申请人： Takahiro Ishii , Hayato Kihara , Shuji Yoshimi , Hiroshi Miyagi
发明人： Takahiro Ishii , Hayato Kihara , Shuji Yoshimi , Hiroshi Miyagi
IPC分类号： C08L25/04 , C08F279/00 , C08F279/02 , C08L9/00 , C08L25/06 , C08L51/00 , C08L51/04 , C08F287/00
CPC分类号： C08F279/02 , C08L25/06 , C08L2205/14 , C08L9/00
摘要： Disclosed are a rubber-modified polystyrene resin composition which comprises a polystyrene resin serving as a matrix and soft component particles as dispersed therein, the composition fulfilling the following requirements (a) to (d):(a) the polystyrene resin as the matrix satisfies the following requirements:150,000.ltoreq.Mw.ltoreq.500,000wherein Mw is the weight average molecular weight, and2.ltoreq.Bn(Mz).ltoreq.20wherein Bn(Mz) is the branch count or the number of branching points in the Z-average molecular weight (Mz),(b) the soft component particles in the composition have an average particle diameter (Dp) of 0.1 to 10 .mu.m,(c) the soft component particles in the composition have a swelling index in the range of 3 to 30, and(d) the proportion of the soft component particles in the composition is in the range of 5 to 30% by weight, as well as an injection-molded article formed from the composition.
摘要翻译：公开了一种橡胶改性的聚苯乙烯树脂组合物，其包含用作基质的聚苯乙烯树脂和分散在其中的软组分颗粒，该组合物满足以下要求（a）至（d）：（a）作为基质的聚苯乙烯树脂满足以下要求：150,000

8. 发明授权

US5489629A Rubber-modified polystyrene resin compositions 失效
标题翻译：橡胶改性聚苯乙烯树脂组合物
公开(公告)号：US5489629A
公开(公告)日：1996-02-06
申请号：US291462
申请日：1994-08-17
申请人： Takahiro Ishii , Hayato Kihara , Shuji Yoshimi , Hiroshi Miyagi
发明人： Takahiro Ishii , Hayato Kihara , Shuji Yoshimi , Hiroshi Miyagi
IPC分类号： C08L25/04 , C08F279/00 , C08F279/02 , C08L9/00 , C08L25/06 , C08L51/00 , C08L51/04 , C08F287/00
CPC分类号： C08F279/02 , C08L25/06 , C08L2205/14 , C08L9/00
摘要： Disclosed are a rubber-modified polystyrene resin composition which comprises a polystyrene resin serving as a matrix and soft component particles as dispersed therein, the composition fulfilling the following requirements (a) to (d):(a) the polystyrene resin as the matrix satisfies the following requirements:150,000.ltoreq.Mw.ltoreq.500,000wherein Mw is the weight average molecular weight, and2.ltoreq.Bn(Mz).ltoreq.20wherein Bn(Mz) is the branch count or the number of branching points in the Z-average molecular weight (Mz),(b) the soft component particles in the composition have an average particle diameter (Dp) of 0.1 to 10 .mu.m,(c) the soft component particles in the composition have a swelling index in the range of 3 to 30, and(d) the proportion of the soft component particles in the composition is in the range of 5 to 30% by weight, as well as an injection-molded article formed from the composition.
摘要翻译：公开了一种橡胶改性的聚苯乙烯树脂组合物，其包含用作基质的聚苯乙烯树脂和分散在其中的软组分颗粒，该组合物满足以下要求（a）至（d）：（a）作为基质的聚苯乙烯树脂满足以下要求：150,000

9. 发明授权

US6020428A Rubber-modified styrenci resin composition and molded article thereof 失效
标题翻译：橡胶改性苯乙烯树脂组合物及其成型体
公开(公告)号：US6020428A
公开(公告)日：2000-02-01
申请号：US656014
申请日：1996-05-24
申请人： Shuji Yoshimi , Hayato Kihara , Takahiro Ishii
发明人： Shuji Yoshimi , Hayato Kihara , Takahiro Ishii
IPC分类号： C08L23/08 , C08L51/04 , C08L83/04 , C08L25/04
CPC分类号： C08L51/04 , C08L23/08 , C08L83/04
摘要： A rubber-modified styrenic resin composition comprising (A) 100 wt. parts of a rubber-modified styrenic resin which contains 10 to 35 wt. % of soft component particles having an average particle size of 0.1 to 0.5 .mu.m, where said soft component particles have a single occlusion structure comprising a core part which consists of a single continuous phase of a styrenic resin and a shell part which comprises a rubber polymer and occludes said core part, and (B) 0.1 to 10 wt. parts of a polymer having a solubility parameter (SP) of 8.45 to 8.70 and having no aromatic vinyl compound unit therein. This composition has excellent plane impact strength and gloss properties as well as moldability and other physical properties, and satisfies properties required for exterior materials, wrapping materials and molded foam articles.
摘要翻译：橡胶改性苯乙烯树脂组合物，其包含（A）100重量％橡胶改性苯乙烯树脂的一部分，其含有10〜35重量％％的平均粒度为0.1〜0.5μm的软成分颗粒，其中所述软组分颗粒具有单一的闭塞结构，其包括由单一连续相的苯乙烯树脂组成的芯部分和包含橡胶的壳部分聚合物并封闭所述核心部分，和（B）0.1至10wt。部分溶解度参数（SP）为8.45〜8.70的聚合物，其中没有芳族乙烯基化合物单元。该组合物具有优异的平面冲击强度和光泽性以及成型性等物理性能，并且满足外部材料，包装材料和模塑泡沫制品所需的性能。

10. 发明授权

US5902845A Rubber-modified styrenic resin composition and its molded article 失效
标题翻译：橡胶改性苯乙烯树脂组合物及其成型品
公开(公告)号：US5902845A
公开(公告)日：1999-05-11
申请号：US609827
申请日：1996-03-01
申请人： Shuji Yoshimi , Hayato Kihara , Takahiro Ishii
发明人： Shuji Yoshimi , Hayato Kihara , Takahiro Ishii
IPC分类号： C08J5/00 , C08K3/00 , C08L51/04 , C08L25/10
CPC分类号： C08K3/0033 , C08L51/04
摘要： A rubber-modified styrenic resin composition comprising 100 parts by weight of a rubber-modified styrenic resin (A) having 10 to 40% by weight of the content of a soft component particle and a mean particle diameter of the said particle of 0.1 to 1.2 .mu.m, and 1 to 30 parts by weight of fine particles having a mean particle diameter of 0.1 to 5 .mu.m and not having a glass transition temperature between -130 to 90.degree. C.A rubber-modified styrenic resin composition having superior plane impact strength, rigidity and gloss, and its molded article are provided.
摘要翻译：一种橡胶改性苯乙烯树脂组合物，其包含100重量份的橡胶改性的苯乙烯树脂（A），其具有10至40重量％的软组分颗粒的含量，所述颗粒的平均粒径为0.1至1.2 1μm，平均粒径为0.1〜5μm，玻璃化转变温度在-130〜90℃之间的微粒子为1〜30重量份。具有优异平面影响的橡胶改性苯乙烯树脂组合物强度，刚度和光泽度及其模塑制品。

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