Packing material for liquid chromatography
    1.
    发明授权
    Packing material for liquid chromatography 失效
    液相色谱填充材料

    公开(公告)号:US4743377A

    公开(公告)日:1988-05-10

    申请号:US880757

    申请日:1986-06-30

    IPC分类号: B01J20/32 B01D15/08

    摘要: A packing material for liquid chromatography, comprising particles having a silicone polymer film coated on substantially the entire surface thereof, the packing material being produced by a process comprising the steps of:(a) bringing at least one silicone compound having the general formula (I):(R.sup.1 HSiO).sub.a (R.sup.2 R.sup.3 SiO).sub.b (R.sup.4 R.sup.5 R.sup.6 SiO.sub.1/2).sub.c (I) wherein R.sup.1, R.sup.2, and R.sup.3 represent, independently, a hydrocarbon residue having 1 to 10 carbon atoms, which may be substituted with at least one halogen atom, R.sup.4, R.sup.5, and R.sup.6 represent, independently, hydrogen or a hydrocarbon residue having 1 to 10 carbon atoms, which may be substituted with at least one halogen atom, a is zero or an integer of 1 or more, b is zero or an integer of 1 or more, c is zero or 2, and a+b+c is 3 to 300, into contact with particles, whereby the silicone compound is polymerized on substantially the entire surface of the particles, and(b) crosslinking unreacted Si--H groups in the presence of a catalyst, or(c) carrying out an addition reaction of a vinyl compound having up to 40 carbon atoms to unreacted Si--H groups.

    摘要翻译: 一种用于液相色谱的包装材料,包括在其基本上整个表面上涂覆有硅氧烷聚合物膜的颗粒,所述包装材料通过包括以下步骤的方法生产:(a)将至少一种具有通式(I ):(R1HSiO)a(R2R3SiO)b(R4R5R6SiO1 / 2)c(I)其中R1,R2和R3独立地表示可以被至少一个卤素原子取代的具有1至10个碳原子的烃残基 ,R 4,R 5和R 6独立地表示氢或具有1〜10个碳原子的烃残基,其可被至少一个卤素原子取代,a为0或1以上的整数,b为0或a 1以上的整数,c为0或2,a + b + c为3〜300,与颗粒接触,由此使硅酮化合物在颗粒的基本整个表面上聚合,(b)将未反应的Si -H基团在催化剂存在下,或(c)进行添加 具有至多40个碳原子的乙烯基化合物与未反应的Si-H基团的反应。