Transparent mixture of linear styrene-butadiene block copolymer
    1.
    发明专利
    Transparent mixture of linear styrene-butadiene block copolymer 有权
    线性苯乙烯 - 丁二烯嵌段共聚物的透明混合物

    公开(公告)号:JP2006169522A

    公开(公告)日:2006-06-29

    申请号:JP2005355863

    申请日:2005-12-09

    Abstract: PROBLEM TO BE SOLVED: To provide a transparent mixture comprising a styrene-butadiene block copolymer and a polystyrene, which has high toughness and excellent transparency even when the polystyrene content in the mixture is relatively high, wherein the above-noted properties have been obtained by avoiding conventional disadvantages. SOLUTION: This mixture comprises a linear block copolymer comprising a vinyl aromatic monomer and a diene, which has structures of (I) S 1 -B 1 -S 2 and (II) B 2 -S 3 , wherein S 1 represents a block comprising a vinyl aromatic monomer having a number average molecular weight (Mn) of in a range of from 40,000 to 100,000 g/mol; S 2 and S 3 respectively represent a block comprising a vinyl aromatic monomer having a number average molecular weight (Mn) of in a range of from 5,000 to 20,000 g/mol; and B 1 and B 2 respectively represent either one or more block comprising a diene, or a block of a copolymer comprising a diene and a vinyl aromatic monomer having a number average molecular weight (Mn) of in a range of from 15,000 to 100,000 g/mol, and wherein the ratio of (I)/(II) in the block copolymer is in a range of from 0.5 to 10. COPYRIGHT: (C)2006,JPO&NCIPI

    Abstract translation: 要解决的问题:为了提供包含苯乙烯 - 丁二烯嵌段共聚物和聚苯乙烯的透明混合物,即使当混合物中的聚苯乙烯含量相对较高时,其具有高韧性和优异的透明性,其中上述性质具有 通过避免常规缺点得到。 解决方案:该混合物包含包含乙烯基芳族单体和二烯的线性嵌段共聚物,其具有(I)S 1 -S < SB> 2 和(II)B -S 3 ,其中S 1 表示包含乙烯基芳族单体的嵌段, 数均分子量(Mn)在40,000至100,000g / mol的范围内; S 2 和S 3 分别表示包含数均分子量(Mn)在5,000至20,000g / mol范围内的乙烯基芳族单体的嵌段; 和B 1 和B 2 分别表示一个或多个包含二烯的嵌段或包含二烯和包含数均分子量的乙烯基芳族单体的共聚物嵌段 重量(Mn)在15,000至100,000g / mol的范围内,并且其中嵌段共聚物中的(I)/(II)的比率在0.5至10的范围内。 )2006年,日本特许厅和NCIPI

    STYRENE/BUTADIENE BLOCK COPOLYMER MIXTURES FOR SHRINK FILMS

    公开(公告)号:CA2591623C

    公开(公告)日:2013-05-07

    申请号:CA2591623

    申请日:2005-12-31

    Applicant: BASF AG

    Abstract: The invention relates to a mixture, comprising a) 5 to 50 wt. % of a block copolymer (A), with one or more block copolymers (B/S)A, each made from 65 to 95 wt. % vinylaromatic monomers and 35 to 5 wt. % dienes with a glass transition temperature TgA in the range 40~ to 90 ~C, b) 95 to 50 wt. % of a block copolymer B, with at least one hard block (S) made from vinylaromatic monomers and one or more copolymer blocks (B/S)B, each made from 20 to 60 wt. % vinylaromatic monomers and 80 to 40 wt. % dienes and a glass temperature TgB in the range -70~ to 0 ~C, c) 0 to 45 wt. % of a block copolymer (C) different from (A) and (B), or polystyrol and d) 0 to 6 wt. % of a plastifier and the use thereof for the production of shrink films.

    4.
    发明专利
    未知

    公开(公告)号:DE102004059783A1

    公开(公告)日:2006-06-14

    申请号:DE102004059783

    申请日:2004-12-10

    Applicant: BASF AG

    Abstract: Mixture (A) comprises linear block copolymers of vinyl aromatic monomers and diene structural units, and the ratio of (I)/(II) amounts to 0.5-10. Mixture (A) comprises linear block copolymers of vinyl aromatic monomers and diene structural units of formula (S 1-B 1-S 2 (I) and B 2-S 3 (II)) and the ratio of (I)/(II) amounts to 0.5-10. S 1blocks of vinyl aromatic monomers with an average molecular mass of 40000-100000 g/mol; S 2, S 3blocks of vinyl aromatic monomers with an average molecular mass of 5000-20000 g/mol; and B 1, B 2one or more blocks of diene or copolymer blocks of diene and vinyl aromatic monomers with an average molecular mass of 15000-100000. Independent claims are also included for: (1) a mixture obtained by partial or complete hydrogenation of the linear block copolymers of vinyl aromatic monomers and diene structural units; and (2) the preparation of (A).

    5.
    发明专利
    未知

    公开(公告)号:ES2115384T5

    公开(公告)日:2002-10-16

    申请号:ES95921822

    申请日:1995-06-03

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP95/02110 Sec. 371 Date Dec. 4, 1996 Sec. 102(e) Date Dec. 4, 1996 PCT Filed Jun. 3, 1995 PCT Pub. No. WO95/33793 PCT Pub. Date Dec. 14, 1995Transparent molded articles having a high-contrast laser inscription thereon are produced from a polymer mixture consisting of A) from 40 to 99% by weight of a polymer of an alkyl ester of (meth)acrylic acid, B) from 1 to 50% by weight of a copolymer of styrene and acrylonitrile having an acrylonitrile content of from 8 to 30% by weight, C) from 0 to 50% by weight of rubber particles, and D) from 0 to 20% by weight of additives and processing auxiliaries, by preparing a transparent molded article from the polymer mixture, and exposing the transparent molded article to laser radiation.

    6.
    发明专利
    未知

    公开(公告)号:BRPI0519833A2

    公开(公告)日:2009-03-17

    申请号:BRPI0519833

    申请日:2005-12-31

    Applicant: BASF AG

    Abstract: A mixture which comprises from 5 to 50% by weight of a block copolymer A, which comprises one or more copolymer blocks (B/S)A each composed of from 65 to 95% by weight of vinylaromatic monomers and from 35 to 5% by weight of dienes and of a glass transition temperature TgA in the range from 40° to 90° C.; from 95 to 50% by weight of a block copolymer B, which comprises at least one hard block S composed of vinylaromatic monomers and comprises one or more copolymer blocks (B/S)B each composed of from 20 to 60% by weight of vinylaromatic monomers and from 80 to 40% by weight of dienes and of a glass transition temperature TgB in the range from −70° to 0° C.; from 0 to 45% by weight of polystyrene or of a block copolymer C other than A and B; and from 0 to 6% by weight of a plasticizer; and its use for production of shrink films.

    MEZCLAS DE COPOLIMEROS DE BLOQUES DE ESTIROL/BUTADIENO PARA PELICULAS DE CONTRACCION.

    公开(公告)号:MX2007008271A

    公开(公告)日:2007-09-07

    申请号:MX2007008271

    申请日:2005-12-31

    Applicant: BASF AG

    Abstract: Una mezcla que comprende a) de 5 a 50% en peso de un copolimero de bloques A el cual comprende uno o mas bloques (B/S)A de copolimeros cada uno compuesto de desde 65 a 95% en peso de monomeros vinilaromaticos y de 35 a 5% en peso de dienos y de una temperatura de transicion vitrea TgA en el rango de 40 degree a 90 degree C, b) de 95 a 50% en peso de un copolimero de bloques B el cual comprende al menos un bloque S duro compuesto de monomeros vinilaromaticos y comprende uno o mas bloques (B/S)B de copolimeros cada uno compuesto de 20 a 60% en peso de monomeros vinilaromaticos y de 80 a 40% en peso de dienos y de una temperatura de transicion vitrea TgB en el rango de -70 degree a 0 degree C, c) de 0 a 45% en peso de poliestireno o de un copolimero de bloques C diferente al A y B, y d) de 0 a 6% en peso de un plastificante. y sus usos para la produccion de peliculas de contraccion.

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