公开(公告)号：US20060204750A1

公开(公告)日：2006-09-14

申请号：US10544112

申请日：2004-02-12

申请人： Takanori Miyoshi ,  Shinya Komura ,  Hiroyuki Minematsu

发明人： Takanori Miyoshi ,  Shinya Komura ,  Hiroyuki Minematsu

IPC分类号： D02G3/00

CPC分类号： D01D5/0038 ,  D01D5/247 ,  D01F6/56 ,  D01F6/92 ,  Y10T428/2913

摘要： Provided are porous fibers and fiber structures that have large surface areas and large voids, and controlled hydrophilicity suitable for matrices of cell culture in the field of tissue engineering, and a method for producing the fiber structure including a step in which a solution is produced by dissolving a hydrophobic solvent-soluble polymer and an organic compound having a plurality of hydroxyl groups in a hydrophobic solvent, a step in which the solution is spun by electrospinning, and a step in which a fiber structure accumulated on a collector is obtained.

摘要翻译： 提供了具有大的表面积和大的空隙的多孔纤维和纤维结构，以及适用于组织工程领域的细胞培养基质的受控亲水性，以及一种生产纤维结构的方法，包括以下步骤：其中溶液由 将疏水性溶剂可溶性聚合物和具有多个羟基的有机化合物溶解在疏水性溶剂中，通过静电纺丝纺丝溶液的工序，得到积聚在集电体上的纤维结构体的工序。

公开(公告)号：US4361684A

公开(公告)日：1982-11-30

申请号：US270879

申请日：1981-06-05

申请人： Hiroyuki Minematsu ,  Kojiro Matsumoto ,  Tadashi Saeki ,  Akira Kishi

发明人： Hiroyuki Minematsu ,  Kojiro Matsumoto ,  Tadashi Saeki ,  Akira Kishi

IPC分类号： C08F220/44 ,  C08F212/12

CPC分类号： C08F212/12 ,  Y10T428/2982

摘要： In the emulsion polymerization of an .alpha.-alkylstyrene and an unsaturated nitrile copolymerizable therewith in a weight proportion of 70:30 to 80:20 in the presence of a radical initiator, an improved process wherein the monomers are introduced into the reaction system in such a manner that the concentration of the unreacted unsaturated nitrile in the reaction system is not less than 31% by weight to the entire amount of the unreacted monomers in the reaction system at the completion of the introduction of the monomers, whereby a copolymer of the .alpha.-alkylstyrene and the unsaturated nitrile having an excellent thermal resistance is produced with marked decrease in the amount of unreacted monomers.

摘要翻译： 在自由基引发剂的存在下，在α-烷基苯乙烯和可与其共聚的不饱和腈以70:30至80:20的重量比进行乳液聚合，其中将单体引入反应体系中， 反应体系中未反应的不饱和腈的浓度相对于反应体系中未反应单体的总量不小于31重量％，由此得到α - 产生具有优异耐热性的烷基苯乙烯和不饱和腈，其中未反应单体的量显着降低。

公开(公告)号：US5155151A

公开(公告)日：1992-10-13

申请号：US837605

申请日：1992-02-21

申请人： Kenji Hashimoto ,  Syuzi Takahashi ,  Hiroyuki Minematsu

发明人： Kenji Hashimoto ,  Syuzi Takahashi ,  Hiroyuki Minematsu

IPC分类号： C08F212/06 ,  C08F212/12 ,  C08F212/14 ,  C08F220/04 ,  C08F220/06 ,  C08F220/12 ,  C08F220/42 ,  C08F220/44 ,  C08K5/00 ,  C08K5/16 ,  C08K5/20 ,  C09B67/54

CPC分类号： C09B67/0096 ,  C08K5/0008 ,  C08K5/0041 ,  C08K5/0091 ,  C08K5/16 ,  C08K5/20

摘要： A thermoplastic resin composition having improved heat stability which comprises a thermoplastic resin which contains at least 5% by weight of an .alpha.-alkyl-substituted aromatic copolymer comprising .alpha.-alkyl-substituted aromatic vinyl compound and at least one other comonomer copolymerizable therewith, wherein the composition contains a metal-deactivating agent which has a molecular weight of not more than 2,000 and at least one group of the formula: ##STR1## or an organometallic colorant containing free metal in an amount of not more than 2,000 ppm, from which a molded article having no or less silver streaks can be produced.

摘要翻译： 一种具有改进的热稳定性的热塑性树脂组合物，其包含含有至少5重量％的包含α-烷基取代的芳族乙烯基化合物和可与其共聚的至少一种其它共聚单体的α-烷基取代的芳族共聚物的热塑性树脂，其中 组合物含有分子量不大于2,000的金属钝化剂和至少一种下式的组分：（I）或含有不超过2,000ppm的游离金属的有机金属着色剂，来自 可以制造没有或少于银条纹的模制品。

公开(公告)号：US5082898A

公开(公告)日：1992-01-21

申请号：US247615

申请日：1988-09-22

申请人： Hiroyuki Minematsu ,  Yasuo Nagai

发明人： Hiroyuki Minematsu ,  Yasuo Nagai

IPC分类号： C08L55/02 ,  C08L71/12

CPC分类号： C08L55/02 ,  C08L71/123 ,  Y10S525/905

摘要： A resin composition comprising:(A) 10 to 90 parts by weight of a polyphenylene ether resin,(B) 8 to 88 parts by weight of an ABS resin,(C) 1 to 30 parts by weight of a first graft copolymer selected from the group consisting of(C-I) a graft copolymer which is obtainable by polymerizing a monomer mixture comprising an aromatic vinyl compound and at least one other compound copolymerizable therewith in the presence of a polymer (C-1) comprising an unsaturated nitrile compound, an aromatic vinyl compound and at least one other vinyl compound copolymerizable therewith and has a vinyl group at least at one of molecular ends, and(C-II) a graft copolymer which is obtainable by polymerizing at least one vinyl compound in the presence of a polymer (C-1) and a polymer (C-2) comprising the aromatic vinyl compound and at least one other compound copolymerizable therewith and has a vinyl group at least at one of molecular ends,(E) 1 to 30 parts by weight of a second graft copolymer which is obtainable by polymerizing a monomer mixture comprising an unsaturated nitrile compound, an aromatic vinyl compound and at least one other vinyl compound copolymerizable therewith in the presence of a polymer which comprises an aromatic vinyl compound and at least one other vinyl compound copolymerizable therewith.

摘要翻译： 一种树脂组合物，其包含：（A）10〜90重量份的聚苯醚树脂，（B）8〜88重量份的ABS树脂，（C）1〜30重量份的第一接枝共聚物， 由（CI）组成的接枝共聚物，该接枝共聚物可以通过在包含不饱和腈化合物的聚合物（C-1）存在下聚合含有芳族乙烯基化合物和至少一种可与其共聚的其它化合物的单体混合物， 乙烯基化合物和至少一种可与其共聚的其它乙烯基化合物，并且在至少一个分子末端具有乙烯基，和（C-II）可在聚合物存在下聚合至少一种乙烯基化合物而获得的接枝共聚物（ C-1）和包含所述芳族乙烯基化合物的至少一种其它化合物和至少一种可与其共聚的其它化合物的聚合物（C-2），并且在至少一个分子末端具有乙烯基，（E）1至30重量份的第二 接枝共聚物是o 可通过聚合包含不饱和腈化合物，芳族乙烯基化合物和至少一种可与其共聚的其它乙烯基化合物的单体混合物在包含芳族乙烯基化合物和至少一种可与其共聚的其它乙烯基化合物的存在下进行聚合来实现。

公开(公告)号：US5430101A

公开(公告)日：1995-07-04

申请号：US141950

申请日：1993-10-28

申请人： Hiroyuki Minematsu ,  Tetuya Yamamoto

发明人： Hiroyuki Minematsu ,  Tetuya Yamamoto

IPC分类号： C08L25/04 ,  C08L25/08 ,  C08L25/12 ,  C08L25/16 ,  C08L51/00 ,  C08L51/04 ,  C08L55/02 ,  C08L101/06 ,  C08L37/00

CPC分类号： C08L25/12 ,  C08L25/08 ,  C08L25/16 ,  C08L51/04 ,  C08L55/02 ,  C08L2205/02

摘要： A thermoplastic resin composition comprising:(A) 40 to 99.8 parts by weight of a rubber-modified styrene base thermoplastic resin,(B) 0.1 to 20 parts by weight of a copolymer having an epoxy group but comprising no olefin, and(C) 0.1 to 50 parts by weight of a polymer having at least one functional group selected from the group consisting of a carboxyl group, an acid anhydride group, a hydroxyl group and a nitrogen-containing base group with the total amount of the rubber-modified styrene base thermoplastic resin (A), the copolymer (B) and the polymer (C) being 100 parts by weight and the content of the rubber in the composition being from 5 to 40 % by weight based on the weight of the composition, which has good flowability and imparts a uniformly delustered surface and good impact resistance to a molded article.

摘要翻译： 一种热塑性树脂组合物，其包含：（A）40〜99.8重量份的橡胶改性苯乙烯基热塑性树脂，（B）0.1〜20重量份的具有环氧基但不含烯烃的共聚物，（C） 0.1至50重量份具有至少一个选自羧基，酸酐基，羟基和含氮基团的官能团的聚合物，其总量为橡胶改性苯乙烯 基础热塑性树脂（A），共聚物（B）和聚合物（C）为100重量份，组合物中橡胶的含量为组合物重量的5-40重量％ 良好的流动性并赋予模制品均匀的消光表面和良好的耐冲击性。

公开(公告)号：US4294946A

公开(公告)日：1981-10-13

申请号：US170203

申请日：1980-07-21

申请人： Hiroyuki Minematsu ,  Kojiro Matsumoto ,  Tadashi Saeki ,  Akira Kishi

发明人： Hiroyuki Minematsu ,  Kojiro Matsumoto ,  Tadashi Saeki ,  Akira Kishi

IPC分类号： C08F2/22 ,  C08F212/12 ,  C08F257/02 ,  C08F2/26

CPC分类号： C08F212/12 ,  C08F257/02

摘要： A process for preparing a thermoplastic resin having high heat resistance by emulsion polymerization of an .alpha.-alkylstyrene compound of the formula: ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.3 alkyl and R.sub.2 is hydrogen, C.sub.1 -C.sub.3 alkyl or halo(C.sub.1 -C.sub.3)alkyl and an unsaturated nitrile in a weight proportion of 65:35 to 80:20 in the presence of a radical initiator, characterized in that the whole amount of the .alpha.-alkylstyrene compound and 10 to 99% by weight of the unsaturated nitrile on the basis of its total amount are first subjected to polymerization and, after the polymerization, the remaining portion of the unsaturated nitrile is added to the reaction mixture and the resultant mixture is subjected to further polymerization until the polymerization is substantially completed.

摘要翻译： 通过下式的α-烷基苯乙烯化合物的乳液聚合制备具有高耐热性的热塑性树脂的方法：其中R 1是C 1 -C 3烷基，R 2是氢，C 1 -C 3烷基或卤素（C 1 -C 3） 烷基和不饱和腈在自由基引发剂存在下的重量比为65:35至80:20，其特征在于α-烷基苯乙烯化合物的总量和10至99重量％的不饱和腈在 其总量的基础首先进行聚合，并且在聚合之后，将不饱和腈的剩余部分加入到反应混合物中，并将所得混合物进一步聚合直至聚合基本完成。

公开(公告)号：US4273895A

公开(公告)日：1981-06-16

申请号：US54507

申请日：1979-07-03

申请人： Hiroyuki Minematsu ,  Kojiro Matsumoto ,  Tadashi Saeki ,  Akira Kishi

发明人： Hiroyuki Minematsu ,  Kojiro Matsumoto ,  Tadashi Saeki ,  Akira Kishi

IPC分类号： C08F279/00 ,  C08F2/22 ,  C08F279/02 ,  C08F279/04

CPC分类号： C08F279/04

摘要： A process for preparing a thermoplastic resin having excellent heat resistance, impact resistance and processability, which comprises emulsion polymerization of a mixture comprising a monomeric mixture consisting essentially of an .alpha.-alkylstyrene, methyl methacrylate and an unsaturated nitrile and a diene rubber latex containing particles of 400 to 900 A in particle size in an amount of not less than 30% by weight in the presence of a radical initiator, the weight proportion of the monomeric mixture and the diene rubber latex (solids) being from 60:40 to 95:5.

摘要翻译： 一种制备具有优异的耐热性，耐冲击性和加工性的热塑性树脂的方法，其包括含有主要由α-烷基苯乙烯，甲基丙烯酸甲酯和不饱和腈组成的单体混合物的混合物的乳液聚合和含有 在自由基引发剂的存在下，粒径为400〜900A的粒径为30重量％以上，单体混合物和二烯橡胶胶乳（固体）的重量比为60:40〜95:5 。