THERMOPLASTIC POLYURETHANES AND THEIR USE
    1.
    发明申请
    THERMOPLASTIC POLYURETHANES AND THEIR USE 审中-公开
    热塑性聚氨酯及其用途

    公开(公告)号:US20090192274A1

    公开(公告)日:2009-07-30

    申请号:US12358360

    申请日:2009-01-23

    IPC分类号: C08L75/04

    摘要: Thermoplastic polyurethanes and molding compositions containing the same having improved surface resistance (writing and scratch resistance) and good industrial processability, and the use thereof, such polyurethanes prepared by reacting: (a) one or more organic diisocyanates; (b) a chain extender comprising at least one low molecular weight polyol having on average at least 1.8 and not more than 3.0 Zerewitinoff-active hydrogen atoms and a number-average molecular weight Mn of 60 to 400 g/mol; and (c) at least one polyol component having a number-average molecular weight Mn of 450 to 10,000 g/mol and on average from at least 1.8 to not more than 3.0 Zerewitinoff-active hydrogen atoms; wherein the ratio of the number of isocyanate groups in component (a) to the number of isocyanate-reactive groups in components (b) and (c) is 0.9:1 to 1.1:1; in the presence of (d) a mixture of polyorganosiloxanes of the general formula (R2SiO)n, in an amount of 0.4 to 10 wt. % based on the thermoplastic polyurethane, wherein each R independently represents an organic hydrocarbon radical having 1 to 27 carbon atoms which can be linear and/or branched, and n represents an integer of 3 to 6000, wherein the mixture consists of (d1) 0.2 to 2 wt. %, based on the thermoplastic polyurethane, of one or more polyorganosiloxanes (R2SiO)n wherein n=3 to 300 and (d2) 0.2 to 8 wt. %, based on the thermoplastic polyurethane, of one or more polyorganosiloxanes (R2SiO)n wherein n=1000 to 6000.

    摘要翻译: 热塑性聚氨酯和含有该组合物的模塑组合物具有改善的表面电阻(书写和耐刮擦性)和良好的工业加工性能,以及其用途,通过以下方法制备的聚氨酯:(a)一种或多种有机二异氰酸酯; (b)含有至少一种至少一种低分子量多元醇的扩链剂,其平均具有至少1.8并且不超过3.0的齐维诺芬 - 活性氢原子,数均分子量Mn为60-400g / mol; 和(c)至少一种数均分子量Mn为450〜10,000g / mol,平均从至少1.8以上3.0以下的三烯乙基活性氢原子的多元醇成分; 其中组分(a)中异氰酸酯基数与组分(b)和(c)中异氰酸酯反应性基团数目的比例为0.9:1至1.1:1; 在(d)通式(R2SiO)n的聚有机硅氧烷的混合物存在下,其量为0.4-10wt。 %,其中每个R独立地表示可以是直链和/或支链的具有1至27个碳原子的有机烃基,n表示3至6000的整数,其中该混合物由(d1)0.2 至2重量% %,基于热塑性聚氨酯,一种或多种聚有机硅氧烷(R2SiO)n,其中n = 3至300和(d2)0.2至8wt。 %,基于热塑性聚氨酯,一种或多种聚有机硅氧烷(R2SiO)n,其中n = 1000至6000。

    Transparent thermoplastic polyurethanes having low haze and good processability, methods of making the same, and uses therefor
    2.
    发明授权
    Transparent thermoplastic polyurethanes having low haze and good processability, methods of making the same, and uses therefor 有权
    具有低雾度和良好加工性的透明热塑性聚氨酯,其制备方法及其用途

    公开(公告)号:US08497341B2

    公开(公告)日:2013-07-30

    申请号:US12358356

    申请日:2009-01-23

    IPC分类号: C08G18/32 C08G18/73

    摘要: Light-stable, thermoplastic polyurethanes with good processability and having an ASTM D-1003 haze value of less than 10%, the polyurethane prepared by a process comprising: reacting: (a) a diisocyanate component comprising 1,6-hexamethylene diisocyanate; (b) a chain extension component consisting of (b1) 1,4-di(β-hydroxyethyl)hydroquinone and (b2) at least one chain extender selected from the group consisting of diols having a 2 or 3 carbon atom chain length between the two OH groups, in a molar ratio of chain extender (b1) to chain extender (b2) of 10:1 to 1:4; and (c) at least one polyol component having a number average molecular weight of 450 to 10000 g/mol, and an average number of Zerewitinoff-active hydrogen atoms of at least 1.8 to at most 3.0; wherein the ratio of isocyanate groups in component (a) to isocyanate-reactive groups in components (b) and (c) is 0.9:1 to 1.1:1.

    摘要翻译: 具有良好加工性并且具有小于10%的ASTM D-1003雾度值的轻稳定的热塑性聚氨酯,通过包括以下方法制备的聚氨酯制备:(a)包含1,6-六亚甲基二异氰酸酯的二异氰酸酯组分; (b)由(b1)1,4-二(β-羟乙基)氢醌和(b2)至少一种增链剂组成的链延伸组分,所述链增链剂选自二者或二者之间具有2或3个碳原子链长的二醇 两个OH基,扩链剂(b1)与扩链剂(b2)的摩尔比为10:1至1:4; 和(c)数均分子量为450〜10000g / mol,Zerewitinoff活性氢原子的平均数为至少1.8〜3.0的至少一种多元醇成分, 其中组分(a)中异氰酸酯基与组分(b)和(c)中异氰酸酯反应性基团的比例为0.9:1至1.1:1。

    TRANSPARENT THERMOPLASTIC POLYURETHANES HAVING LOW HAZE AND GOOD PROCESSABILITY, METHODS OF MAKING THE SAME, AND USES THEREFOR
    3.
    发明申请
    TRANSPARENT THERMOPLASTIC POLYURETHANES HAVING LOW HAZE AND GOOD PROCESSABILITY, METHODS OF MAKING THE SAME, AND USES THEREFOR 有权
    透明的热塑性聚氨酯具有低的湿度和良好的可加工性,其制备方法及其用途

    公开(公告)号:US20090189314A1

    公开(公告)日:2009-07-30

    申请号:US12358356

    申请日:2009-01-23

    IPC分类号: B29C45/00 C08G18/48

    摘要: Light-stable, thermoplastic polyurethanes with good processability and having an ASTM D-1003 haze value of less than 10%, the polyurethane prepared by a process comprising: reacting: (a) a diisocyanate component comprising 1,6-hexamethylene diisocyanate; (b) a chain extension component consisting of (b1) 1,4-di(β-hydroxyethyl)hydroquinone and (b2) at least one chain extender selected from the group consisting of diols having a 2 or 3 carbon atom chain length between the two OH groups, in a molar ratio of chain extender (b1) to chain extender (b2) of 10:1 to 1:4; and (c) at least one polyol component having a number average molecular weight of 450 to 10000 g/mol, and an average number of Zerewitinoff-active hydrogen atoms of at least 1.8 to at most 3.0; wherein the ratio of isocyanate groups in component (a) to isocyanate-reactive groups in components (b) and (c) is 0.9:1 to 1.1:1.

    摘要翻译: 具有良好加工性并且具有小于10%的ASTM D-1003雾度值的轻稳定的热塑性聚氨酯,通过包括以下方法制备的聚氨酯制备:(a)包含1,6-六亚甲基二异氰酸酯的二异氰酸酯组分; (b)由(b1)1,4-二(β-羟乙基)氢醌和(b2)至少一种增链剂组成的链延伸组分,所述链增链剂选自二者或二者之间具有2或3个碳原子链长的二醇 两个OH基,扩链剂(b1)与扩链剂(b2)的摩尔比为10:1至1:4; 和(c)数均分子量为450〜10000g / mol,Zerewitinoff活性氢原子的平均数为至少1.8〜3.0的至少一种多元醇成分, 其中组分(a)中异氰酸酯基与组分(b)和(c)中异氰酸酯反应性基团的比例为0.9:1至1.1:1。