PROCESS FOR PREPARATION OF AROMATIC THIOLS
    1.
    发明公开
    PROCESS FOR PREPARATION OF AROMATIC THIOLS 失效
    工艺制备芳族硫醇。

    公开(公告)号:EP0641318A1

    公开(公告)日:1995-03-08

    申请号:EP93911202.0

    申请日:1993-05-10

    CPC classification number: C07C319/02 C07C321/26

    Abstract: Disclosed is a process for preparation of an aromatic thiol corresponding to the structure A-(SH)n wherein A is a substituted or unsubstituted aromatic radical and n is 1, 2, 3, 4, 5 or 6 comprising contacting at a temperature of at least 80 °C an aromatic halide corresponding to the structure A-Xm wherein A is the same as above, X is bromine or iodine and n is 1, 2, 3, 4, 5 or 6 with thiourea in the presence of nickel.

    PROCESS FOR THE PREPARATION OF COPOLY(ARYLENE SULFIDE) HAVING A DECREASED AMOUNT OF DISULFIDE RADICALS
    3.
    发明授权
    PROCESS FOR THE PREPARATION OF COPOLY(ARYLENE SULFIDE) HAVING A DECREASED AMOUNT OF DISULFIDE RADICALS 失效
    制备具有减少量的二硫化物基团的共聚物(亚芳基硫醚)的方法

    公开(公告)号:EP0502993B1

    公开(公告)日:1995-06-07

    申请号:EP91901345.8

    申请日:1990-11-13

    CPC classification number: C08G75/029 C08G75/0263 C08G75/14

    Abstract: A process for preparation of a copoly(arylene sulfide) which has a decreased amount of disulfide radicals and corresponds to the structure: [(-A-S-)1-x(-A-S-S-)x]n wherein A is a divalent substituted or unsubstituted aromatic radical, x is in the range of 0.45 to 0 and n is at least 50, comprising contacting a copoly(arylene sulfide) corresponding to the structure [(-A-S-)1-x(-A-S-S-)x]n wherein A is a divalent substituted or unsubstituted aromatic radical, x is in the range of 0.50 to 0.001 and n is at least 25, in the melt phase with a diiodoaromatic compound corresponding to the structure I-A-I wherein A is a divalent substituted or unsubstituted aromatic radical.

    Abstract translation: 一种制备二硫化物基团量减少且对应于以下结构的共聚(亚芳基硫醚)的方法:[( - AS-)1-x(-ASS-)x] n其中A是二价取代或未取代的 (-AS-)1-x(-ASS-)x] n的共聚(亚芳基硫醚)接触,其中A(芳基)x为0.45-0且n至少为50,其中A 是二价取代或未取代的芳族基团,x在0.50-0.001范围内,n至少为25,在与对应于结构IAI的二碘代芳族化合物的熔融相中,其中A是二价取代或未取代的芳族基团。

    PROCESS FOR THE PREPARATION OF COPOLY(ARYLENE SULFIDE)
    5.
    发明授权
    PROCESS FOR THE PREPARATION OF COPOLY(ARYLENE SULFIDE) 失效
    制备共聚物(亚硫酰苯)的方法

    公开(公告)号:EP0395720B1

    公开(公告)日:1994-01-26

    申请号:EP89901360.1

    申请日:1988-11-30

    CPC classification number: C08G75/16

    Abstract: A process for preparing a copoly(arylene sulfide) corresponding to the structure: [(-A-S-)1-x(-A-S-S-)x]n, wherein x is in the range of 0.5 to 0.001 by reacting a mixture of a diiodoaromatic compound and elemental sulfur in the presence of a catalytic amount of iron.

    Abstract translation: 一种制备对应于以下结构的共聚(亚芳基硫醚)的方法:[( - AS-)1-x(-ASS-)x] n,其中x在0.5-0.00的范围内,通过使二碘代芳烃 化合物和元素硫在催化量的铁存在下进行。

    PROCESS FOR THE PREPARATION OF COPOLY(ARYLENE SULFIDE)
    6.
    发明授权
    PROCESS FOR THE PREPARATION OF COPOLY(ARYLENE SULFIDE) 失效
    制备共聚物(亚硫酰苯)的方法

    公开(公告)号:EP0403534B1

    公开(公告)日:1993-11-24

    申请号:EP89903420.1

    申请日:1989-03-01

    CPC classification number: C08G75/0263 C08G75/0222

    Abstract: A process for preparing a copoly(arylene sulfide) corresponding to the structure [(-A-S-)1-x(-A-S-S-)x]n, wherein x is in the range of 0.5 to 0.001 by reacting a mixture of a diiodoaromatic compound and elemental sulfur in the absence of a basic material and in the presence of a catalytic amount of an organic amine-containing compound.

    Abstract translation: 一种制备对应于结构[( - AS-)1-x(-ASS-)x] n的共聚(亚芳基硫醚)的方法,其中x为0.5-0.001,通过使二碘代芳族化合物 和元素硫在不存在碱性物质的情况下并且在催化量的含有机胺的化合物的存在下进行。

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