Process for the preparation of thermoplastic aromatic
polyphosphonatocarbonates with improved heat-aging resistance, and
their use
    66.
    发明授权
    Process for the preparation of thermoplastic aromatic polyphosphonatocarbonates with improved heat-aging resistance, and their use 失效
    具有改善耐热老化性的热塑性芳族聚碳酸亚烃酯的制备方法及其用途

    公开(公告)号:US4508890A

    公开(公告)日:1985-04-02

    申请号:US493793

    申请日:1983-05-12

    CPC分类号: C08G64/00 C08G79/04

    摘要: Thermoplastic polyphosphonatocarbonates prepared by polycondensing at least one aromatic dihydroxy compound with a diaryl carbonate and a phosphonic acid diaryl ester in the presence of a catalyst selected from the group consisting of (a) tetra-C.sub.1 -C.sub.18 -alkyl titanates, (b) di-C.sub.2 -C.sub.4 -alkyl-tin oxides, (c) di-C.sub.2 -C.sub.4 -alkyl-di-C.sub.1 -C.sub.4 -alkoxy-tin compounds, (d) tetra-C.sub.3 -C.sub.18 -alkyl zirconates, (e) tri-C.sub.2 -C.sub.18 -alkyl vanadylates and (f) mixtures of germanium dioxide or titanium dioxide and at least one of (a) to (e) in a weight ratio of 1:3 to 3:1 at a temperature of from 80.degree.-340.degree. C. and under a pressure of 600 to 0.1 mm Hg in an inert gaseous atmosphere, the molar ratio of diaryl carbonate to phosphonic diaryl ester being from 5:95 to 95:5 and the molar ratio of aromatic dihydroxy compound to the sum of diaryl carbonates and phosphonic diaryl ester being from 0.91:1 to 0.99:1.

    摘要翻译: 在选自以下的催化剂存在下,将至少一种芳族二羟基化合物与碳酸二芳酯和膦酸二芳基酯缩聚制备的热塑性聚膦酸碳酸酯:(a)四-C1-烷基钛酸酯,(b)二 - (c)二-C2-C4-烷基 - 二-C1-C4烷氧基锡化合物,(d)四-C 3 -C 18烷基锆酸盐,(e)三-C2-烷基 - C18烷基氧钒酸酯和(f)二氧化锗或二氧化钛与至少一种(a)至(e)的混合物,重量比为1:3至3:1,温度为80-340℃ 并且在惰性气体气氛中在600至0.1mm Hg的压力下,碳酸二芳酯与膦酸二芳基酯的摩尔比为5:95至95:5,芳族二羟基化合物与碳酸二芳基酯的摩尔比 和膦酸二芳基酯为0.91:1至0.99:1。

    Process for the preparation of thermoplastic aromatic polyphosphonates
with improved thermal ageing resistance
    67.
    发明授权
    Process for the preparation of thermoplastic aromatic polyphosphonates with improved thermal ageing resistance 失效
    具有改善耐热老化性能的热塑性芳族聚磷酸酯的制备方法

    公开(公告)号:US4374971A

    公开(公告)日:1983-02-22

    申请号:US201254

    申请日:1980-10-27

    IPC分类号: C08G79/00 C08G79/02 C08G79/04

    CPC分类号: C08G79/04

    摘要: A process for the preparation of a linear or branched-chain thermoplastic aromatic polyphosphonate having an average molecular weight (number average M.sub.n) in the range of from 11,000 to 200,000, which comprises solvent-free ester interchange of at least one diaryl phosphonate or at least one diaryl phosphonate and at least one triaryl phosphate with at least one aromatic dihydroxy compound or at least one aromatic dihydroxy compound and at least one aromatic tri- or tetra-hydroxy compound or a mixture thereof in an oxygen-free gas atmosphere at atmospheric pressure or reduced pressure, with removal of the volatile constituents by distillation, and in the presence of a catalytic quantity of an ester interchange catalyst which comprises at least one compound taken from the group, C.sub.1 -C.sub.18 tetraalkyl titanates, C.sub.2 -C.sub.4 dialkyl tin oxides, C.sub.2 -C.sub.4 -di-alkyl-C.sub.1 -C.sub.4 -dialkoxy tin compounds, C.sub.3 -C.sub.18 tetraalkyl zirconates and C.sub.2 -C.sub.18 trialkyl vanadylates, antimony or bismuth salts, C.sub.2 -C.sub.4 dialkyl stannic acid esters, C.sub.2 -C.sub.4 trialkyl stannic acid esters, or a mixture of at least one compound from the above group and germanium dioxide or titanium dioxide.

    摘要翻译: 一种制备平均分子量(数均Mn)在11,000至200,000范围内的直链或支链热塑性芳族聚膦酸酯的方法,其包括至少一种二芳基膦酸酯的无溶剂酯交换,或至少 一种二芳基膦酸盐和至少一种磷酸三芳基酯与至少一种芳族二羟基化合物或至少一种芳族二羟基化合物和至少一种芳族三 - 或四 - 羟基化合物或其混合物在无氧气体气氛中在大气压下或 通过蒸馏除去挥发性成分,并且在催化量的酯交换催化剂存在下,包含至少一种取自C1-C18四烷基钛酸酯,C2-C4二烷基锡氧化物,C2 -C 4 - 二烷基-C 1 -C 4 - 二烷氧基锡化合物,C 3 -C 18四烷基锆酸酯和C 2 -C 18三烷基钒酸盐,锑或铋盐,C 2 -C 4二烷基锡 碳酸酯,C2-C4三烷基锡酸酯,或至少一种上述化合物与二氧化锗或二氧化钛的混合物。

    Aromatic polyphosphonates and a process for their production
    69.
    发明授权
    Aromatic polyphosphonates and a process for their production 失效
    芳香族聚膦酸酯及其生产工艺

    公开(公告)号:US4331614A

    公开(公告)日:1982-05-25

    申请号:US160646

    申请日:1980-06-18

    CPC分类号: C08G79/04

    摘要: Thermoplastic, branched aromatic polyphosphonates with average molecular weights (number average M.sub.n) of from 11,000 to more than 200,000, obtainable by transesterifying (a) from 97 to 100 moles of at least one diaryl phosphonate, and (b) from 0 to 3 moles of at least one triaryl phosphate--the sum of the moled of (a) and (b) being 100--with (c) from 90 to 99 moles of at least one aromatic dihydroxy compound, and (d) from 0 to 3 moles of at least one aromatic trihydroxy or tetrahydroxy compound--with the proviso that at least one of the components (b) and (d) is present in a quantity of at least 0.001 mole and that, where (b) and (d) are used, the maximum limit on the moles is 3.0.

    摘要翻译: 平均分子量(数均Mn)为11,000至大于200,000的热塑性支链芳族聚膦酸酯,可通过(a)97-100摩尔的至少一种二芳基膦酸酯和(b)0-3摩尔的 至少一种磷酸三芳基酯,(a)和(b)的衍生物的总和为100-(c)90-99摩尔的至少一种芳族二羟基化合物,和(d)0-3摩尔的 至少一种芳族三羟基或四羟基化合物 - 条件是组分(b)和(d)中的至少一种以至少0.001摩尔的量存在,并且使用(b)和(d)时, 摩尔数的最大限度为3.0。