Continuous process for purifying crude linear polydichlorophosphazene polymer
    1.
    发明公开
    Continuous process for purifying crude linear polydichlorophosphazene polymer 失效
    Kontinueierliches Verfahren zur Reinigung von rohem linearem Polydichlorphosphazen-Polymer。

    公开(公告)号:EP0198953A2

    公开(公告)日:1986-10-29

    申请号:EP85114722.3

    申请日:1985-11-19

    CPC分类号: C01B21/0986

    摘要: The oligomer content in crude polydichlorophosphazene polymer is reduced to less than about 7% by a continuous process wherein the crude polymer in solution is introduced into an extruder along with solvent selective for the oligomer whereby polymer coagulates and liquid phase rich in oligomer is formed and is prevented from exit at the polymer discharge end of the extruder by the concentration and coagulation of the polymer and is separated from the concentrated polymer upstream of the polymer discharge end by mechanical filtering.

    摘要翻译: 通过连续方法将粗聚二氯磷腈聚合物中的低聚物含量降低至小于约7%,其中将溶液中的粗聚合物与低聚物的溶剂选择性引入挤出机,由此聚合物​​凝结并形成富含液相的低聚物,并且是 通过聚合物的浓缩和凝结防止在挤出机的聚合物排出端离开,并通过机械过滤与聚合物排出端上游的浓缩聚合物分离。

    Curable poly(aryloxyphosphazene) copolymers
    2.
    发明公开
    Curable poly(aryloxyphosphazene) copolymers 失效
    可固化的聚(芳氧基磷腈)共聚物

    公开(公告)号:EP0215278A1

    公开(公告)日:1987-03-25

    申请号:EP86110987.4

    申请日:1986-08-08

    IPC分类号: C08G79/02

    CPC分类号: C08G79/025

    摘要: Low or no chlorine content poly(aryloxyphosphazene) copolymers useful for fireproof foams are surprisingly produced in a one step process without use of excess phenoxide reactant over a shorter than conventional time period by (a) adding linear (NPCl 2 ) n to a mixture of phenoxides comprising alkali or alkaline earth metal phenoxide, alkylphenoxide and allylphenoxide in quantities such that the total of the phenoxides is the equivalent of the total chlorine atoms in the (NPCl 2 ) n and allylphenoxide is present in an amount equivalent to from about 2% to about 10% of the chlorine atoms in the (NPCl 2 ) n ; and (b) reacting the admixture formed in step (a) at a temperature ranging from about 280°F. to about 320°F. for a time period ranging from about 7 hours to about 10 hours.

    摘要翻译: (a)将直链(NPCl2)n加入到酚氧化物的混合物中,用一步法生产用于防火泡沫的低含量或不含氯含量的聚(芳氧基磷腈)共聚物,而不使用过量的酚盐反应物 包含碱金属或碱土金属酚盐,烷基酚盐和烯丙基酚盐,其量使得总量为(NPCl2)n和烯丙基酚盐中总氯原子的当量,其量等于约2%至约10 (NPCl2)n中氯原子的百分比; 和(b)使步骤(a)中形成的混合物在约280°F的温度下反应。 到大约320°F。 持续约7小时至约10小时的时间段。

    Continuous process for purifying crude linear polydichlorophosphazene polymer
    3.
    发明公开
    Continuous process for purifying crude linear polydichlorophosphazene polymer 失效
    用于纯化原料线性聚二氯乙烯生产线的多连续聚合物聚氨酯聚合物罗氏聚合物的连续工艺

    公开(公告)号:EP0198953A3

    公开(公告)日:1987-05-27

    申请号:EP85114722

    申请日:1985-11-19

    CPC分类号: C01B21/0986

    摘要: The oligomer content in crude polydichlorophosphazene polymer is reduced to less than about 7% by a continuous process wherein the crude polymer in solution is introduced into an extruder along with solvent selective for the oligomer whereby polymer coagulates and liquid phase rich in oligomer is formed and is prevented from exit at the polymer discharge end of the extruder by the concentration and coagulation of the polymer and is separated from the concentrated polymer upstream of the polymer discharge end by mechanical filtering.