HIGHLY TRANSPARENT AND TOUGH-STIFF STYRENE-BUTADIENE BLOCK COPOLYMER MIXTURES

    公开(公告)号:CA2655065A1

    公开(公告)日:2008-01-03

    申请号:CA2655065

    申请日:2007-06-13

    Applicant: BASF SE

    Abstract: A mixture, which contains a) 25 to 75% by weight of a block copolymer A, which contains at least one hard block S of vinyl aromatic monomers and one or more soft blocks BA of, in each case, 0 to 5% by weight of vinyl aromatic monomers and 95 to 100% by weight of dienes, the proportion by weight of th e hard blocks S in the block copolymer A constituting 65 to 90% by weight; b ) 5 to 25% by weight of a block copolymer B, which contains at least one har d block S of vinyl aromatic monomers and one or more copolymer blocks (B/S)B of, in each case, 20 to 60% by weight of vinyl aromatic monomers and 80 to 40% by weight of dienes, the proportion by weight of the hard blocks S in th e block copolymer B constituting 25 to 70% by weight; c) 0 to 70% by weight of a block copolymer C, which is different from A and B, or polystyrene; and d) 0 to 6% by weight of a plasticizer D, the sum of the components A) to D) adding up to 100% by weight, as well as the use for transparent, thermoform ed films or transparent injection-molded articles.

    MEZCLAS DE COPOLIMEROS EN BLOQUES DE ESTIRENO-BUTADIENO ALTAMENTE TRANSPARENTES Y VISCO-RIGIDOS.

    公开(公告)号:ES2341049T3

    公开(公告)日:2010-06-14

    申请号:ES07730110

    申请日:2007-06-13

    Applicant: BASF SE

    Abstract: Mezcla que contiene a) un 25 a un 75% en peso de un copolímero en bloques A, que presenta al menos un bloque duro S constituido por monómeros aromáticos vinílicos, y uno o varios bloques blandos BA constituidos respectivamente por un 0 a un 5% en peso de monómeros aromáticos vinílicos y un 95 a un 100% en peso de dienos, y resultando la fracción másica de bloques duros S en el copolímero en bloques A un 65 a un 90% en peso; b) un 5 a un 25% en peso de un copolímero en bloques B, que presenta una estructura en forma de estrella con al menos dos bloques duros terminales S1 y S2 con diferente peso molecular, constituidos por monómeros aromáticos vinílicos, y uno o varios bloques de copolímero (B/S)B, respectivamente a partir de un 20 a un 60% en peso de monómeros aromáticos vinílicos, y un 80 a un 40% en peso de dienos, y resultando la fracción másica de bloques duros S en el copolímero en bloques B un 40 a un 70% en peso; c) un 0 a un 70% en peso de un copolímero en bloques C diferente a A y B, o poliestireno, y d) un 0 a un 6% en peso de un agente plastificante D; dando por resultado la suma de componentes A) a D) un 100% en peso.

    3.
    发明专利
    未知

    公开(公告)号:BRPI0713372A2

    公开(公告)日:2012-03-13

    申请号:BRPI0713372

    申请日:2007-06-13

    Applicant: BASF SE

    Abstract: A mixture which comprises a) from 25 to 75% by weight of a block copolymer A which comprises at least one hard block S composed of vinylaromatic monomers and comprises one or more soft blocks BA in each case composed of from 0 to 5% by weight of vinylaromatic monomers and from 95 to 100% by weight of dienes, where the proportion by weight of the hard blocks S in the block copolymer A is from 65 to 90% by weight; b) from 5 to 25% 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 in each case composed of from 20 to 60% by weight of vinylaromatic monomers and from 80 to 40% by weight of dienes, where the proportion by weight of the hard blocks S in the block copolymer B is from 25 to 70% by weight; c) from 0 to 70% by weight of polystyrene or of a block copolymer C other than A and B, and d) from 0 to 6% by weight of a plasticizer D, where the entirety of components A) to D) gives 100% by weight, and use for transparent thermoforming foils or transparent injection-molded items.

    MEZCLAS DE COPOLIMERO DE BLOQUE DE ESTIRENO-BUTADIENO ALTAMENTE TRANSPARENTES Y DURAS-RIGIDAS.

    公开(公告)号:MX2008015870A

    公开(公告)日:2009-01-13

    申请号:MX2008015870

    申请日:2007-06-13

    Applicant: BASF SE

    Abstract: Una mezcla que contiene a) desde 25 hasta 75% en peso de un copolímero de bloque A el cual contiene por lo menos un bloque rígido S de monómeros vinilaromáticos y uno o más bloques suaves BA de, en cada caso, 0 hasta 5% en peso de monómeros vinilaromáticos y desde 95 hasta 100% en peso de dienos, la proporción en peso de los bloques rígidos S en el copolímero de bloque A consta de 65 hasta 90% en peso; b) desde 5 hasta 25% en peso de un copolímero de bloque B el cual contiene por lo menos un bloque rígido S de monómeros vinilaromáticos y uno o más bloques de copolímero (B/S)B de, en cada caso, 20 hasta 60% en peso de monómeros vinilaromáticos y 80 hasta 40% en peso de dienos, la proporción en peso de los bloques rígidos S en el copolímero de bloque B es desde 25 hasta 70% en peso; c) 0 hasta 70% en peso de un copolímero de bloque C, el cual es diferente de A y B, o poliestireno; y d) 0 hasta 6% en peso de un plastificante D, la suma de los componentes A) hasta D) suman hasta el 100% en peso, así como el uso de películas termoformadas transparentes o artículos moldeados por inyección transparentes.

    HIGHLY TRANSPARENT AND TOUGH-STIFF STYRENE-BUTADIENE BLOCK COPOLYMER MIXTURES

    公开(公告)号:CA2655065C

    公开(公告)日:2014-08-05

    申请号:CA2655065

    申请日:2007-06-13

    Applicant: BASF SE

    Abstract: A mixture, which contains a) 25 to 75% by weight of a block copolymer A, which contains at least one hard block S of vinyl aromatic monomers and one or more soft blocks BA of, in each case, 0 to 5% by weight of vinyl aromatic monomers and 95 to 100% by weight of dienes, the proportion by weight of the hard blocks S in the block copolymer A constituting 65 to 90% by weight; b) 5 to 25% by weight of a block copolymer B, which contains at least one hard block S of vinyl aromatic monomers and one or more copolymer blocks (B/S)B of, in each case, 20 to 60% by weight of vinyl aromatic monomers and 80 to 40% by weight of dienes, the proportion by weight of the hard blocks S in the block copolymer B constituting 25 to 70% by weight; c) 0 to 70% by weight of a block copolymer C, which is different from A and B, or polystyrene; and d) 0 to 6% by weight of a plasticizer D, the sum of the components A) to D) adding up to 100% by weight, as well as the use for transparent, thermoformed films or transparent injection-molded articles.

    6.
    发明专利
    未知

    公开(公告)号:DE502007003026D1

    公开(公告)日:2010-04-15

    申请号:DE502007003026

    申请日:2007-06-13

    Applicant: BASF SE

    Abstract: A mixture which comprises a) from 25 to 75% by weight of a block copolymer A which comprises at least one hard block S composed of vinylaromatic monomers and comprises one or more soft blocks BA in each case composed of from 0 to 5% by weight of vinylaromatic monomers and from 95 to 100% by weight of dienes, where the proportion by weight of the hard blocks S in the block copolymer A is from 65 to 90% by weight; b) from 5 to 25% 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 in each case composed of from 20 to 60% by weight of vinylaromatic monomers and from 80 to 40% by weight of dienes, where the proportion by weight of the hard blocks S in the block copolymer B is from 25 to 70% by weight; c) from 0 to 70% by weight of polystyrene or of a block copolymer C other than A and B, and d) from 0 to 6% by weight of a plasticizer D, where the entirety of components A) to D) gives 100% by weight, and use for transparent thermoforming foils or transparent injection-molded items.

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