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    • 15. 发明授权
    • Process for the preparation of polyarylene sulphides
    • 聚亚芳基硫醚的制备方法
    • US4362864A
    • 1982-12-07
    • US263421
    • 1981-05-14
    • Karsten IdelDieter FreitagLudwig BottenbruchJosef Merten
    • Karsten IdelDieter FreitagLudwig BottenbruchJosef Merten
    • C08G75/02C08G75/06C08L81/02C08G75/14
    • C08G75/0254C08G75/0231
    • A process for preparing a polyarylene sulphide which comprises reacting(a) dihalogenobenzene consisting of 50 to 100 mol % of a compound of the formula ##STR1## or a compound of the formula ##STR2## or a mixture thereof and of 0 to 50 mol % of a compound of the formula ##STR3## wherein X is halogen and each R is selected from the group consisting of hydrogen, alkyl having 1 to 20 carbon atoms, cycloalkyl having 5 to 20 carbon atoms, aryl having 6 to 24 carbon atoms, alkaryl having 7 to 24 carbon atoms and aralkyl having 7 to 24 carbon atoms with the proviso that at least one R is other than hydrogen and(b) 0 to 3.0 mol % based on the dihalogenobenzene content of a polyhalogeno aromatic of the formulaArX.sub.n (IV) wherein Ar is an aromatic or heterocyclic radical with 6 to 24 carbon atoms having at least 3 free valencies, X is halogen and n is .gtoreq. 3 with(c) an alkyl metal sulphide in(d) a polar solvent in the presence of(e) 0.05-2.0 mol of alkali metal fluoride per mol of alkali metal sulphide,for a polycondensation time of up to 30 hours and at a polycondensation temperature of between 160.degree. and 295.degree. C., the molar ratio of (a) to (c) being in the range from 0.85:1 to 1.15:1 and the molar ratio of (c) to (d) being in the range of from 1:2 to 1:15.
    • 一种制备聚亚芳基硫醚的方法,其包括使(a)由50至100mol%的式(I)化合物或式IIa化合物或其混合物组成的二卤代苯和 0至50摩尔%的式(III)化合物,其中X为卤素且每个R选自氢,具有1至20个碳原子的烷基,具有5至20个碳原子的环烷基, 具有6至24个碳原子的芳基,具有7至24个碳原子的烷芳基和具有7至24个碳原子的芳烷基,条件是至少一个R不是氢,和(b)基于二卤代苯含量为0-3.0mol% 式ArXn(IV)的多卤代芳族化合物,其中Ar是具有至少3个自由价的6至24个碳原子的芳族或杂环基,X是卤素,n是≥3,(c)烷基金属硫化物 (d)在(e)0.05-2.0mol碱金属氟化物存在下,每摩尔的极性溶剂 碱金属硫化物,缩聚时间长达30小时,缩聚温度在160〜295℃之间,(a)与(c)的摩尔比在0.85:1-1.15:1的范围内, 1和(c)至(d)的摩尔比在1:2至1:15的范围内。
    • 16. 发明授权
    • Process for working up polycarbonates
    • 加工聚碳酸酯的工艺
    • US4338429A
    • 1982-07-06
    • US166015
    • 1980-07-07
    • Volker SeriniJohn GoossensLudwig BottenbruchDieter Freitag
    • Volker SeriniJohn GoossensLudwig BottenbruchDieter Freitag
    • C08G63/00C08G64/24C08G64/40C08J3/10
    • C08G64/24C08G64/406
    • The present invention relates to a process for working up alkaline two-phase mixtures which have been obtained in the synthesis of polycarbonates by the two-phase boundary process, characterized in that for the separation of the alkaline two-phase mixture into an organic phase and an aqueous phase, the mixture is supplied with shearing energy and/or added are one or more cationic emulsifying agents and/or dispersing agents and/or in that, for the separation of the acidified two-phase mixture into an organic phase and an aqueous phase, the mixture is supplied with shearing energy and/or added are one or more cationic emulsifying agents and/or dispersing agents and/or in that the organic phase which was separated off after the acidification is washed with water to which one or more water-soluble, organic anionic compounds have been added.
    • 本发明涉及一种在两相边界过程合成聚碳酸酯中获得的碱性二相混合物的处理方法,其特征在于将碱性两相混合物分离成有机相, 水相中,混合物被供应剪切能量和/或添加一种或多种阳离子乳化剂和/或分散剂和/或为了将酸化的两相混合物分离成有机相和水相 提供剪切能量和/或添加的是一种或多种阳离子乳化剂和/或分散剂,和/或在酸化后分离的有机相用水洗涤,向其中加入一种或多种水 已经添加了可溶性有机阴离子化合物。
    • 18. 发明授权
    • Process for the preparation of polyarylene sulphides
    • 聚亚芳基硫醚的制备方法
    • US4433138A
    • 1984-02-21
    • US379036
    • 1982-05-17
    • Karsten IdelDieter FreitagLudwig BottenbruchOtto Neuner
    • Karsten IdelDieter FreitagLudwig BottenbruchOtto Neuner
    • C08G75/02C08G75/06C08G75/14
    • C08G75/0254C08G75/0231
    • High molecular weight p-polyarylensulfides having a high melt viscosity, capable of being processed thermoplastically, and have good mechanical properties are produced by reacting components (a), (b), and (c) in a polar solvent with a molar ratio of (a):(c) in the range of 0.85:1 to 1.15:1 and a molar ratio of (c): solvent in the range of 1:2 to 1:15, for a time of up to 10 hours at a temperature of from 160.degree. C. to 300.degree. C., and in the presence of from 2 to 100 mole percent, relative to (c), of an N,N-dialkylcarboxamide;wherein component (a) is dihalogenobenzene with 50 to 100 mole percent of the formula ##STR1## and 0 to 50 mole percent of the formula ##STR2## wherein X is fluoro, chloro, bromo or iodo, and R is the same or different and each is selected from the group consisting of hydrogen, alkyl having 1 to 20 carbon atoms, cycloalkyl having 5 to 20 carbon atoms, aryl having 6 to 24 carbon atoms, alkaryl having 7 to 24 carbon atoms, aralkyl having 7 to 24 carbon atoms, and two R moieties linked together forming aryl having 6 to 24 carbon atoms or a heterocyclic moiety having an oxygen, nitrogen or sulphur hetero-atom and having 6 to 24 carbon atoms; with the proviso that at least one R is not hydrogen;component (b) is 0.1 to 2.4 mole percent, relative to the dihalogenobenzene, of a polyhalogenoaromatic of the formulaArX.sub.nwherein Ar is aryl or a heterocyclic moiety having an oxygen, nitrogen or sulphur heteroatom with said aryl and said heterocyclic each having from 6 to 24 carbon atoms;X is fluoro, chloro, bromo or iodo; andn is 3 or 4;and component (c) is alkali metal sulphide.
    • 通过使组分(a),(b)和(c)在极性溶剂中以摩尔比为((a),(b)和(c))反应,可以通过热塑性地热处理和具有良好的机械性能而具有高熔体粘度的高分子量对聚芳基硫化物 a):(c)在0.85:1至1.15:1的范围内,(c):溶剂的摩尔比在1:2至1:15的范围内,在温度下达10小时 相对于(c)为2〜100摩尔%的N,N-二烷基甲酰胺; 其中组分(a)是二卤代苯,其具有50-100摩尔%的式“IMAGE”和0至50摩尔%的式“IMAGE”,其中X是氟,氯,溴或碘,R是相同或不同的, 各自选自氢,具有1至20个碳原子的烷基,具有5至20个碳原子的环烷基,具有6至24个碳原子的芳基,具有7至24个碳原子的烷芳基,具有7至24个碳原子的芳烷基, 和两个连接在一起的R部分形成具有6至24个碳原子的芳基或具有氧,氮或硫杂原子并具有6至24个碳原子的杂环部分; 条件是至少一个R不是氢; 组分(b)相对于二卤代苯,为式ArXn的多卤代芳族化合物的0.1至2.4摩尔%,其中Ar为芳基或具有氧,氮或硫杂原子的杂环部分,所述芳基和所述杂环各自具有6至 24个碳原子; X是氟,氯,溴或碘; n为3或4; 组分(c)是碱金属硫化物。