STYRENE BUTADIENE BLOCK COPOLYMER MIXTURES FOR SHRINK-WRAP FILMS

    公开(公告)号:CA2727152C

    公开(公告)日:2016-05-17

    申请号:CA2727152

    申请日:2009-06-23

    Applicant: BASF SE

    Abstract: A mixture comprising a) 5 to 95 wt.-% of a copolymer A that contains one or more copolymer blocks (B/S)A, each made of 65 to 95 wt.-% of vinyl aromatic monomers and 5 to 35 wt.-% dienes and having a glass transition temperature Tg A in the range of 40° to 90°C, b) 5 to 95 wt.-% of a block copolymer B containing at least one hard block S made of 95 to 100 wt.-% of vi-nyl aromatic monomers and 0 to 5 wt.-% dienes, one or more copolymer blocks (B/S)A, each made of 65 to 95 wt.-% of vinyl aro-matic monomers and 5 to 35 wt.-% dienes and having a glass transition temperature Tg A in the range of 40° to 90°C and one or more copolymer blocks (B/S)B, each made of 20 to 60 wt.-% of vinyl aromatic monomers and 40 to 80 wt.-% dienes and having a glass transition temperature Tg B in the range of -70° to 0°C, c) 0 to 45 wt.% of A and B of various thermoplastic polymers C and d) 0 to 6 wt.-% of processing aids D, wherein the total of A through D is 100 wt.-%, and use thereof for the production of shrink--wrap films.

    3.
    发明专利
    未知

    公开(公告)号:DE502005006672D1

    公开(公告)日:2009-04-02

    申请号:DE502005006672

    申请日:2005-12-31

    Applicant: BASF SE

    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.

    STYRENE BUTADIENE BLOCK COPOLYMER MIXTURES FOR SHRINK-WRAP FILMS

    公开(公告)号:CA2727152A1

    公开(公告)日:2009-12-30

    申请号:CA2727152

    申请日:2009-06-23

    Applicant: BASF SE

    Abstract: A mixture comprising a) 5 to 95 wt.-% of a copolymer A that contains one or more copolymer blocks (B/S)A, each made of 65 to 95 wt.-% of vinyl aromatic monomers and 5 to 35 wt.-% dienes and having a glass transition temperature TgA in the range of 40° to 90°C, b) 5 to 95 wt.-% of a block copolymer B containing at least one hard block S made of 95 to 100 wt.-% of vinyl aromatic monomers and 0 to 5 wt.-% dienes, one or more copolymer blocks (B/S)A, each made of 65 to 95 wt.-% of vinyl aromatic monomers and 5 to 35 wt.-% dienes and having a glass transition temperature TgA in the range of 40° to 90°C and one or more copolymer blocks (B/S)B, each made of 20 to 60 wt.-% of vinyl aromatic monomers and 40 to 80 wt.-% dienes and having a glass transition temperature TgB in the range of 70° to 0°C, c) 0 to 45 wt.-% of A and B of various thermoplastic polymers C and d) 0 to 6 wt.-% of processing aids D, wherein the total of A through D is 100 wt.-%, and use thereof for the production of shrink-wrap films.

    MEZCLAS DE COPOLIMEROS BLOQUE DE ESTIRENO-BUTADIENO PARA LAMINAS RETRACTILES.

    公开(公告)号:ES2320365T3

    公开(公告)日:2009-05-21

    申请号:ES05849213

    申请日:2005-12-31

    Applicant: BASF SE

    Abstract: Mezcla que contiene a) desde un 5 hasta un 50% en peso de un copolímero bloque A, que contiene uno o varios bloques de copolímero (B/S)A constituidos, respectivamente, por un 65 hasta un 95% en peso de monómeros vinilaromáticos y por un 35 hasta un 5% en peso de dienos y con una temperatura de transición vítrea TgA situada en el intervalo comprendido entre 40º y 90ºC, b) desde un 95 hasta un 50% en peso de un copolímero bloque B, que contiene, al menos, un bloque duro S constituido por monómeros vinilaromáticos y uno o varios bloques de copolímero (B/S)B constituidos, respectivamente, por un 20 hasta un 60% en peso de monómeros vinilaromáticos y un 80 hasta un 40% en peso de dienos y con una temperatura de transición vítrea TgB situada en el intervalo comprendido entre -70º y 0ºC, c) desde 0 hasta un 45% en peso de un copolímero bloque C, diferente de A y de B, o de poliestireno y d) desde 0 hasta un 6% en peso de un agente plastificante.

    MEZCLAS DE COPOLIMERO DE BLOQUE DE ESTIRENO BUTADIENO PARA PELICULAS DE ENVOLTURA DE ENCOGIMIENTO.

    公开(公告)号:MX2010013464A

    公开(公告)日:2010-12-21

    申请号:MX2010013464

    申请日:2009-06-23

    Applicant: BASF SE

    Abstract: Una mezcla que comprende a) de 5 a 95% en peso de un copolímero A que comprende uno o más bloques de copolímero B/S)A cada uno compuesto de 65 a 95% en peso de monómeros de vinilo aromático y de 35 a 5% en peso de dienos de una temperatura de transición de vidrio TgA en la escala de 400 a 90°C, b) de 95 a 5% en peso de un copolímero de bloque B que comprende cuando menos un bloque duro S compuesto de 95 a 100% en peso de monómeros de vinilo aromático y de 0 a 5 en peso de dienos, y comprende uno o más bloques de copolímero (B/S)A cada uno compuesto de 65 a 95% en peso de monómeros de vinilo aromático y de 35 a 5% en peso de dienos y de una temperatura de transición de vidrio TgA en la escala de 40° a 90°C, y comprende uno o más bloques de copolímero (B/S)B cada uno compuesto de 20 a 60% en peso de monómeros de vinilo aromático y de 80 a 405 en peso de dienos y de una temperatura de transición de vidrio TgB en la escala de -70° a 0°C; c) de 0 a 45% en peso de polímeros C termoplásticos distintos a A y B, y d) de 0 a 6%& en peso de ayudas de procesamiento D., en donde la totalidad de A a D da 100% en peso, y su uso para la producción de películas de encogimiento.

    8.
    发明专利
    未知

    公开(公告)号:AT423168T

    公开(公告)日:2009-03-15

    申请号:AT05849213

    申请日:2005-12-31

    Applicant: BASF SE

    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.

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