Ordered, alternating sulfone polycarbonate composition
    1.
    发明授权
    Ordered, alternating sulfone polycarbonate composition 失效
    有序,交替的砜聚碳酸酯组合物

    公开(公告)号:US4705822A

    公开(公告)日:1987-11-10

    申请号:US872275

    申请日:1986-06-10

    IPC分类号: C08G64/08 C08G63/62 C08L69/00

    CPC分类号: C08G64/081

    摘要: This invention relates to moldable polycarbonate compositions and in particular to moldable polycarbonates which have ordered, alternating repeating units derived from bis-(3,5-dimethyl-4-hydroxyphenyl)sulfone (TMBS) and 2,2-bis-(4-hydroxyphenyl)propane (Bisphenol A) dihaloformate, or ordered, alternating repeating units derived from bis-(3,5-dimethyl-4-hydroxyphenyl) sulfone (TMBS) dihaloformate and a bisphenol compound such as 2,2-bis-(4-hydroxyphenyl)propane (Bisphenol A). Such polycarbonate exhibit improved hydrolytic stability and also excellent processability in molding applications.

    摘要翻译: 本发明涉及可模制的聚碳酸酯组合物,特别是涉及可衍生的聚碳酸酯,其具有衍生自双 - (3,5-二甲基-4-羟基苯基)砜(TMBS)和2,2-双 - (4-羟基苯基) )丙二醇(双酚A)二卤代甲酸酯或有序的衍生自二 - (3,5-二甲基-4-羟基苯基)砜(TMBS)二卤代甲酸酯和双酚化合物的交替重复单元,例如2,2-双 - (4-羟基苯基) )丙烷(双酚A)。 这样的聚碳酸酯表现出改善的水解稳定性和在模塑应用中的优异加工性能。

    Polyarylates having improved hydrolytic stability
    2.
    发明授权
    Polyarylates having improved hydrolytic stability 失效
    具有改善的水解稳定性的聚芳酯

    公开(公告)号:US5036150A

    公开(公告)日:1991-07-30

    申请号:US512125

    申请日:1990-04-20

    IPC分类号: C08G63/193 C08G63/688

    CPC分类号: C08G63/193 C08G63/6886

    摘要: This invention relates to moldable polyarylates and in particular to moldable polyarylate compositions which have repeating units derived from bis-(3,5-dimethyl-4-hydroxyphenyl) sulfone (TMBS), optionally a dihydric phenol such as 2,2-bis-(4-hydroxyphenyl)-propane (Bisphenol A) and a mixture of isophthalic acid and terephthalic acid or derivatives thereof. Such polyarylates exhibit improved hydrolytic stability.

    摘要翻译: 本发明涉及可成型的多芳基化合物,特别涉及具有衍生自双(3,5-二甲基-4-羟基苯基)砜(TMBS),任选的二元酚如2,2-双 - ( 4-羟基苯基) - 丙烷(双酚A)和间苯二甲酸和对苯二甲酸或其衍生物的混合物。 这种多芳基化合物表现出改善的水解稳定性。

    Polycarbonates having improved hydrolytic stability
    3.
    发明授权
    Polycarbonates having improved hydrolytic stability 失效
    聚碳酸酯具有改善的水解稳定性

    公开(公告)号:US4594404A

    公开(公告)日:1986-06-10

    申请号:US591539

    申请日:1984-03-20

    IPC分类号: C08G64/08 C08G63/62

    CPC分类号: C08G64/081

    摘要: This invention relates to moldable polycarbonate compositions and in particular to moldable polycarbonates which have ordered alternating repeating units derived from bis-(3,5-dimethyl-4-hydroxyphenyl)sulfone (TMBS) and 2,2-bis-(4-hydroxyphenyl)propane (Bisphenol A) dihaloformate, or ordered, alternating repeating units derived from bis-(3,5-dimethyl-4-hydroxyphenyl) sulfone (TMBS) dihaloformate and a bisphenol compound such as 2,2-bis-(4-hydroxyphenyl)propane (Bisphenol A). Such polycarbonates exhibit improved hydrolytic stability and also excellent processability in molding applications.

    摘要翻译: 本发明涉及可模制的聚碳酸酯组合物,特别涉及可衍生的聚碳酸酯,其具有衍生自双 - (3,5-二甲基-4-羟基苯基)砜(TMBS)和2,2-双 - (4-羟基苯基) 丙二醇(双酚A)二卤代甲酸酯,或有序的衍生自二 - (3,5-二甲基-4-羟基苯基)砜(TMBS)二卤代甲酸酯和双酚化合物如2,2-双 - (4-羟基苯基) 丙烷(双酚A)。 这种聚碳酸酯表现出改善的水解稳定性和在成型应用中的优异加工性能。

    Polycarbonate blends
    5.
    发明授权
    Polycarbonate blends 失效
    聚碳酸酯共混物

    公开(公告)号:US4665122A

    公开(公告)日:1987-05-12

    申请号:US757780

    申请日:1985-07-24

    摘要: A moldable and compatible blend of 5 to 95 weight percent polycarbonate comprising from about 20 weight percent to 100 weight percent of repeating units (I) having the formula ##STR1## and from 0 weight percent to about 80 weight percent of repeating units (II) having the formula ##STR2## in which the repeating units (I) and the repeating units (II) are connected by interbonding units (III) having the formula ##STR3## wherein Y is selected from alkyl groups of 1 to 4 carbon atoms, chlorine or bromine, each Z, independently, has a value of from 0 to 4 inclusive, n has a value of 0 or 1, and R.sub.1 is a divalent saturated or unsaturated aliphatic hydrocarbon radical, O, CO, SO.sub.2, S or a direct bond, with the proviso that when R.sub.1 is SO.sub.2 then repeating unit (II) is not the same as repeating unit (I), and 95 to 5 weight percent of a styrenic polymer.

    摘要翻译: 包含5至95重量%的聚碳酸酯的可成型和相容的共混物,其包含约20重量%至100重量%的具有式(I)的重复单元(I)和0重量%至约80重量%的重复单元 (II),其中重复单元(I)和重复单元(II)通过具有式(III)的键合单元(III)连接,其中Y选自烷基 1至4个碳原子的基团,氯或溴,每个Z独立地具有0至4的值,包括0和4,n具有0或1的值,并且R 1是二价饱和或不饱和脂族烃基,O, CO,SO 2,S或直接键合,条件是当R 1为SO 2时,则重复单元(II)与重复单元(I)不同,和95至5重量%的苯乙烯聚合物。

    Copolyesters
    6.
    发明授权
    Copolyesters 失效
    共聚酯

    公开(公告)号:US5039717A

    公开(公告)日:1991-08-13

    申请号:US304042

    申请日:1989-01-30

    IPC分类号: C08G63/60

    CPC分类号: C08G63/60

    摘要: Injection-moldable copolyesters of terephthalate units, ethylene units and a high proportion (e.g. 82-87) mole %) of oxybenzoate units, and cookware made of such copolyesters. Process for making such copolyesters by reacting polyethylene terephthalate with p-acetoxybenzoic acid in a solvent, first at a temperature below 240.degree. C. to product a fragmented polyester, raising the temperature to split off acetic acid, then adding more acetoxybenzoic acid to raise the oxybenzoate content to more than 80 mole %.

    摘要翻译: 对苯二甲酸酯单元的注射成型共聚酯,乙烯单元和高比例(例如82-87)摩尔%)的羟基苯甲酸酯单元,以及由这种共聚酯制成的炊具。 通过使聚对苯二甲酸乙二醇酯与对乙酰氧基苯甲酸在溶剂中反应制备这种共聚酯的方法,首先在低于240℃的温度下制备碎片聚酯,提高温度以分离乙酸,然后加入更多的乙酰氧基苯甲酸, 羟基苯甲酸酯含量超过80%(摩尔)。

    Aromatic polyformal blends
    9.
    发明授权
    Aromatic polyformal blends 失效
    芳香族聚异丁烯共混物

    公开(公告)号:US4497924A

    公开(公告)日:1985-02-05

    申请号:US485949

    申请日:1983-04-18

    摘要: A moldable and compatible blend of 5 to 95 weight percent of an aromatic polyformal comprising from about 20 weight percent to 100 weight percent of repeating units (I) having the formula ##STR1## and from 0 weight percent to about 80 weight percent of repeating units (II) having the formula ##STR2## in which the repeating units (I) and the repeating units (II) are connected by interbonding units (III) having the formula--CH.sub.2 -- (III)wherein Y is selected from alkyl groups of 1 to 4 carbon atoms, chlorine or bromine, each z, independently, has a value of from 0 to 4 inclusive, n has a value of 0 or 1, and R.sub.1 is a divalent saturated or unsaturated aliphatic hydrocarbon radical, O, CO, SO.sub.2, S or a direct bond, with the proviso that when R.sub.1 is SO.sub.2 then repeating unit (II) is not the same as repeating unit (I), and 95 to 5 weight percent of a styrene copolymer or terpolymer and/or vinyl chloride containing polymers.

    摘要翻译: 包含5至95重量%的芳族聚异构体的可成型和相容的共混物,其包含约20重量%至100重量%的具有式(I)的重复单元(I)和0重量%至约80重量% 具有式(II)的重复单元(II),其中重复单元(I)和重复单元(II)通过具有式-CH 2 - (III)的键合单元(III)连接,其中Y是 选自1至4个碳原子的烷基,氯或溴,每个z独立地具有0至4的值,包括0和4,n具有0或1的值,并且R 1是二价饱和或不饱和脂族烃基 ,O,CO,SO 2,S或直接键,条件是当R 1为SO 2时,重复单元(II)与重复单元(I)不同,并且95至5重量%的苯乙烯共聚物或三元共聚物 和/或含氯乙烯的聚合物。