ABS moulding compositions
    1.
    发明授权

    公开(公告)号:US4009226A

    公开(公告)日:1977-02-22

    申请号:US570350

    申请日:1975-04-22

    摘要: Moulding compositions containingA. 6 to 30 parts by weight of graft polymer obtained by grafting 20 to 60 parts by weight of a mixture of styrene and acrylonitrile in a ratio by weight of 95 : 5 to 60 : 40 onto 80 to 40 parts by weight of polybutadiene or a butadiene copolymer with a butadiene content of at least 30% with an average particle diameter of 0.26 to 0.65.mu. and a grafting degree of 0.15 to 0.7;B. 14 to 45 parts by weight of a graft polymer obtained by polymerizing 40 to 60 parts by weight of a mixture of styrene and acrylonitrile in a ratio by weight of 95 : 5 to 60 : 40 onto 60 to 40 parts by weight of polybutadiene or a butadiene copolymer with a butadiene content of at least 30%, with an average particle diameter of 0.05 to 0.25.mu. and a grafting degree of 0.4 to 0.9; andC. 25 to 80 parts by weight of a copolymer of styrene and/or .alpha.-methyl styrene on the one hand and acrylonitrile on the other hand in a ratio by weight of 80 : 20 to 60 : 40 and an average molecular weight (mean weight) M.sub.w of 50,000 to 200,000 and a molecular heterogeneity of U = 4.5 to 1.0.

    ABS moulding compositions
    2.
    发明授权
    ABS moulding compositions 失效
    ABS模塑组合物

    公开(公告)号:US4009227A

    公开(公告)日:1977-02-22

    申请号:US570996

    申请日:1975-04-22

    CPC分类号: C08L25/12 C08L55/02

    摘要: Moulding compositions based on ABS-graft polymers, containing:A. 5 to 70 parts, by weight of a graft polymer obtained by grafting 20 to 60 parts by weight of a mixture of styrene and acrylonitrile in a ratio, by weight, of 95 : 5 to 60 : 40 onto 80 to 40 parts, by weight, of polybutadiene or a butadiene copolymer with a butadiene content of > 30% with an average particle diameter of 0.26 to 0.65 .mu. and a grafting degree of 0.15 to 0.7;B. 0 to 50 parts, by weight, of a graft polymer obtained by polymerizing 40 to 60 parts, by weight, of a mixture of styrene and acrylonitrile in a ratio, by weight, of 95 : 5 to 60 : 40 onto 60 to 40 parts, by weight, of polybutadiene or a butadiene copolymer with a butadiene content of more than 30%, with an average particle diameter of from 0.05 to 0.25 .mu. and a grafting degree of 0.4 to 0.9; andC. 25 to 95 parts, by weight, of a copolymer of styrene and/or .alpha.-methyl styrene on the one hand and acrylonitrile on the other hand in a ratio by weight, of 80 : 20 to 60 : 40 with an average molecular weight M.sub.w (weight average) of from 50,000 to 200,000 and a molecular heterogeneity U of 4.5 to 1.0; such thatD. the ratios, by weight, of styrene (including .alpha.-methyl styrene if present) to acrylonitrile satisfy the following conditions: ##EQU1##

    Process for working up dispersions of elastic-thermoplastic or
thermoplastic plastics
    3.
    发明授权
    Process for working up dispersions of elastic-thermoplastic or thermoplastic plastics 失效
    处理弹性热塑性塑料或热塑性塑料的分散体的方法

    公开(公告)号:US4113796A

    公开(公告)日:1978-09-12

    申请号:US400980

    申请日:1973-09-26

    摘要: Isolating thermoplastic or thermoelastic polymers in the form of a powder of limited water and precipitant content and uniform grain size from their aqueous dispersions wherein(i) a polymer dispersion and a precipitant are intensively mixed at an uptake of mechanical energy of 0.2 to 0.6 KWh per m.sup.3 of dispersion thus causing high turbulence,(ii) the polymer is precipitated while in this state of high turbulence at a temperature below the sintering temperature of the polymer,(iii) the precipitated polymer particles are agglomerated and hardened while still in contact with the aqueous liquor either in one or in several stages, and(iv) the aqueous liquor and agglomerated polymer particles are separated from one another.

    摘要翻译: 隔离热水或热弹性聚合物,其形式为有限水和沉淀剂含量的粉末,并且其水分散体具有均匀的晶粒尺寸,其中(I)聚合物分散体和降解剂在机械能力的0.2-3.0KWh的压力下混合均匀 m3的分散体,从而引起高湍流,(II)聚合物在下列温度下在高温下在聚合物的烧结温度下降低,(III)降低的聚合物颗粒在仍然与之接触时被凝聚和硬化 水性液体在一个或几个阶段,和(IV)水性液体和聚合聚合物颗粒从另一个分离。

    Aromatic polyphosphonates and a process for their production
    5.
    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。

    Method for making fluorescent light-collectors
    6.
    发明授权
    Method for making fluorescent light-collectors 失效
    制造荧光灯的方法

    公开(公告)号:US4492778A

    公开(公告)日:1985-01-08

    申请号:US533126

    申请日:1983-09-19

    CPC分类号: H01L31/055 C08F2/44 Y02E10/52

    摘要: A method for making a light-collector of a transparent plastic and a fluorescent dye, wherein the monomers forming transparent plastics are mass-prepolymerized in the presence of radical catalysts and the fluorescent dye is added before, during or at the end of prepolymerization, and then polymerizing the mixture to completion by adding another catalyst, also at pressures of from 2 to 20 bars and at temperatures of from 50.degree. to 160.degree. C., and the use of the light-collector thus produced in combination with photovoltaic elements, preferably based on Ga/As or Si.

    摘要翻译: 一种制造透明塑料和荧光染料的光收集器的方法,其中形成透明塑料的单体在自由基催化剂存在下被大量预聚合,并且在预聚合之前,期间或之后加入荧光染料,以及 然后通过加入另外的催化剂,也可以在2至20巴的压力和50至160℃的温度下将混合物聚合,从而与光电元件结合使用由此产生的光收集器 基于Ga / As或Si。

    Thermoplastic, branched aromatic polyphosphonates, and a process for
their production
    7.
    发明授权
    Thermoplastic, branched aromatic polyphosphonates, and a process for their production 失效
    热塑性支链芳族聚磷酸酯及其制备方法

    公开(公告)号:US4415719A

    公开(公告)日:1983-11-15

    申请号:US328383

    申请日:1981-12-07

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

    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 moles 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 tetradhydroxy 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)的摩尔数的总和为100-(c)90至99摩尔的至少一种芳族二羟基化合物,和(d)0至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。