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    • 1. 发明授权
    • Block copolymer and composition thereof
    • 嵌段共聚物及其组合物
    • US06844383B2
    • 2005-01-18
    • US10030911
    • 2001-05-25
    • Susumu HoshiYukio YamauraJunko KakegawaTsutomu Sugimoto
    • Susumu HoshiYukio YamauraJunko KakegawaTsutomu Sugimoto
    • C08F297/04C08K5/136C08L25/04C08L53/00C08L53/02C08K5/09C08K5/10
    • C08F297/046C08F297/04C08K5/136C08L25/04C08L53/00C08L53/02C08L2666/24C08L2666/04
    • Disclosed is a block copolymer comprising at least two S polymer blocks comprising vinyl aromatic hydrocarbon monomer units, and one B polymer block or two or more B polymer blocks which contains or collectively contain isoprene monomer units and 1,3-butadiene monomer units, wherein the amount of the vinyl aromatic hydrocarbon monomer units and the total amount of the isoprene monomer units and the 1,3-butadiene monomer units are, respectively, from 60 to 95% by weight and from 40 to 5% by weight, each based on the weight of the copolymer, wherein the isoprene monomer unit/1,3-butadiene monomer unit weight ratio is from 45/55 to 97/3, and wherein the vinyl aromatic hydrocarbon monomer unit moiety of the copolymer has a short segment ratio of from 0 to 30% by weight, which is defined as the weight percentage, based on the total weight of vinyl aromatic hydrocarbon monomer units in the copolymer, of the vinyl aromatic hydrocarbon monomer units in at least one short segment consisting of 1 to 3 vinyl aromatic hydrocarbon monomer units.
    • 公开了包含至少两个包含乙烯基芳族烃单体单元的S聚合物嵌段和一个B聚合物嵌段或两个或多个含有或共同含有异戊二烯单体单元和1,3-丁二烯单体单元的B聚合物嵌段的嵌段共聚物,其中 乙烯基芳烃单体单元的量和异戊二烯单体单元和1,3-丁二烯单体单元的总量分别为60至95重量%和40至5重量%,分别基于 共聚物的重量,其中异戊二烯单体单元/ 1,3-丁二烯单体单元重量比为45/55至97/3,并且其中共聚物的乙烯基芳烃单体单元部分具有从0 至30重量%,其定义为基于共聚物中乙烯基芳族烃单体单元的总重量的至少一个短链段中的乙烯基芳族烃单体单元的重量百分比,其由 1〜3个乙烯基芳烃单体单元。
    • 2. 发明授权
    • Block copolymer composition
    • 嵌段共聚物组成
    • US06939906B2
    • 2005-09-06
    • US10275400
    • 2001-08-31
    • Susumu HoshiYukio YamauraJunko Kakegawa
    • Susumu HoshiYukio YamauraJunko Kakegawa
    • C08L25/06C08L53/02C08K5/10C08K5/13C08L53/00
    • C08L53/02C08L25/06C08L2666/24C08L2666/04
    • Disclosed is a block copolymer composition comprising a block copolymer (I) comprising at least two polymer blocks (each polymer block (S) comprising vinyl aromatic hydrocarbon monomer units) and at least one polymer block (B) comprising isoprene monomer units and 1,3-butadiene monomer units, and a polystyrene resin (II), wherein, in the block copolymer (I), the amount of the vinyl aromatic hydrocarbon monomer units, the total amount of the isoprene monomer units and the 1,3-butadiene monomer units, and the isoprene monomer unit/1,3-butadiene monomer unit weight ratio are within specific range, wherein the block copolymer (I) has a vinyl aromatic hydrocarbon block ratio (BL) within a specific range, and wherein the block copolymer (I) and the polystyrene resin (II) satisfy a relationship represented by the following formula (1): 15+0.25BL≦Wa≦35+0.25BL  (1) wherein BL represents the block ratio of the copolymer (I), and Wa represents the weight percentage, based on the total weight of the copolymer (I) and the resin (II), of the copolymer (I).
    • 公开了包含嵌段共聚物(I)的嵌段共聚物组合物,其包含至少两个聚合物嵌段(每个聚合物嵌段(S)包含乙烯基芳族烃单体单元)和至少一种包含异戊二烯单体单元的聚合物嵌段(B)和1,3 - 丁二烯单体单元和聚苯乙烯树脂(II),其中在嵌段共聚物(I)中,乙烯基芳族烃单体单元的量,异戊二烯单体单元和1,3-丁二烯单体单元的总量 ,异戊二烯单体单元/ 1,3-丁二烯单体单元重量比在特定范围内,其中嵌段共聚物(I)的乙烯基芳族烃嵌段比(BL)在特定范围内,其中嵌段共聚物(I )和聚苯乙烯树脂(II)满足由下式(1)表示的关系:<?in-line-formula description =“In-line formula”end =“lead”?> 15 + 0.25BL <= WA < = 35 + 0.25BL(1)<?in-line-formula description =“In-line Formulas”end =“tail”?> wherei n BL表示共聚物(I)的嵌段比,Wa表示基于共聚物(I)的共聚物(I)和树脂(II)的总重量的重量百分比。
    • 4. 发明授权
    • Hydrolytically stable, halogen-free flame retardant resin composition
    • 水解稳定,无卤阻燃树脂组成
    • US5455292A
    • 1995-10-03
    • US162038
    • 1993-12-03
    • Junko KakegawaShigeki Takayama
    • Junko KakegawaShigeki Takayama
    • C08K5/523C08K5/52C08L25/06C08L69/00C08L71/12
    • C08K5/523
    • The present invention provides a resin composition comprising:(A) at least one thermoplastic resin not having halogen selected from the group consisting of a polyphenylene ether resin, a polycarbonate resin, a polystyrene resin, a polyolefin resin, a polyamide resin and a thermoplastic elastomer; and(B) a phosphoric acid ester compound represented by general formula I: ##STR1## wherein Q.sub.1, Q.sub.2, Q.sub.3 and Q.sub.4 independently represent an alkyl group having 1 to 6 carbon atoms; R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently represent a methyl group or a hydrogen atom; n represents an integer of 1 or more; n1 and n2 independently represent an integer of 0 to 2; and m1, m2, m3 and m4 independently represent an integer of 1 to 3.According to the present invention, a resin composition excellent in flame retardance can be obtained. A flame retardant agent contained in the resin composition does not cause smoking or volatilize during a molding processing and also does not bleed to the surface of the moldings. Moldings of the resin composition do not discolor, blister and deteriorate in electrical properties and the like due to water absorption.
    • PCT No.PCT / JP93 / 01096 Sec。 371日期1993年12月3日第 102(e)日期1993年12月3日PCT提交1993年8月4日PCT公布。 出版物WO94 / 03535 日本特开2002-11-2041号公报。本发明提供一种树脂组合物,其含有:(A)至少一种不具有选自聚苯醚树脂,聚碳酸酯树脂,聚苯乙烯树脂,聚烯烃树脂, 聚酰胺树脂和热塑性弹性体; 和(B)由通式I表示的磷酸酯化合物:其中Q 1,Q 2,Q 3和Q 4独立地表示具有1至6个碳原子的烷基; R1,R2,R3和R4独立地表示甲基或氢原子; n表示1以上的整数, n1和n2独立地表示0〜2的整数。 m1,m2,m3,m4独立地表示1〜3的整数。根据本发明,可以得到阻燃性优异的树脂组合物。 包含在树脂组合物中的阻燃剂在成型加工过程中不会引起吸烟或挥发,也不会在模制品的表面渗出。 树脂组合物的模塑不会由于吸水而变色,起泡并且电性能劣化等。