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    • 6. 发明授权
    • Block copolymers containing latent thiol mercaptan chain transfer agents
and the method of making these block copolymers
    • 含有潜在硫醇硫醇链转移剂的嵌段共聚物和制备这些嵌段共聚物的方法
    • US5498675A
    • 1996-03-12
    • US353011
    • 1994-12-09
    • William D. EmmonsAndrew W. Gross
    • William D. EmmonsAndrew W. Gross
    • C08F2/00C08F2/38C08F293/00C08F283/00
    • C08F2/38C08F293/00
    • This invention relates to a block copolymer comprising: a) at least one first block of polymerized units of at least one first ethylenically unsaturated monomer and at least one latent thiol mercaptan chain transfer agent wherein the latent thiol mercaptan chain transfer agent has the general formula; ##STR1## wherein A is a polyvalent organic radical; x and y are positive integers such that x+y equals the valence of A; B is an organic acyl radical; and n and m are integers from 1 to 6; and b) at least one second block of polymerized units of at least one second ethylenically unsaturated monomer, wherein said at least one second block is attached to said at least one first block by reacting with terminal thiol functional groups contained on said at least one first block. In addition, this invention relates to the method of making this block copolymer.
    • 本发明涉及嵌段共聚物,其包含:a)至少一种至少一种第一烯键式不饱和单体和至少一种潜在硫醇硫醇链转移剂的聚合单元的第一嵌段,其中所述潜在的硫醇硫醇链转移剂具有通式; 其中A是多价有机基团; x和y是正整数,使得x + y等于A的化合价; B是有机酰基; n和m为1〜6的整数; 和b)至少一个第二嵌段的至少一种第二烯属不饱和单体的聚合单元,其中所述至少一个第二嵌段通过与所述至少一个第一嵌段上含有的末端硫醇官能团反应而连接到所述至少一个第一嵌段上 块。 此外,本发明涉及制备该嵌段共聚物的方法。
    • 7. 发明授权
    • Thiol-terminated hydroxyamides
    • 硫醇封端的羟基酰胺
    • US5091573A
    • 1992-02-25
    • US581158
    • 1990-08-27
    • Andrew W. GrossWilliam D. Emmons
    • Andrew W. GrossWilliam D. Emmons
    • C07C323/60C08F2/38C08G63/688
    • C08G63/6884C07C323/60C08F2/38
    • Novel thiol-terminated hydroxyamides, and processes for their preparation and use are provided. These hydroxyamide compounds may be prepared by the reaction of a mercapto-functional alkyl ester, such as methylmercaptopropionate, with a molar excess of an alcohol-substituted amine, such as a .beta.-hydroxyalkyl amine. The thiol-terminated hydroxyamides are useful as polymerization chain transfer agents, particularly when it is desirable to form polymers or oligomers containing functional hydroxyamide end groups. By chain terminating such polymers or oligomers with reactive hydroxyamide end groups the polymers or oligomers can be further reacted with acid-containing monomers or polymers to form block or graft copolymers.
    • 提供了新的硫醇封端的羟基酰胺,以及其制备和使用的方法。 这些羟基酰胺化合物可以通过巯基官能的烷基酯如巯基丙酸甲酯与摩尔过量的醇取代的胺如β-羟烷基胺的反应来制备。 硫醇封端的羟基酰胺可用作聚合链转移剂,特别是当需要形成含有官能羟基酰胺端基的聚合物或低聚物时。 通过用反应性羟基酰胺端基链终止这种聚合物或低聚物,聚合物或低聚物可以进一步与含酸单体或聚合物反应以形成嵌段或接枝共聚物。
    • 9. 发明授权
    • Compositions containing block copolymers composed of latent thiol
mercaptan chain transfer agents
    • 含有由潜在硫醇硫醇链转移剂组成的嵌段共聚物的组合物
    • US5492965A
    • 1996-02-20
    • US471950
    • 1995-06-06
    • William D. EmmonsAndrew W. Gross
    • William D. EmmonsAndrew W. Gross
    • C08F2/00C08F2/38C08F293/00C08L31/00
    • C08F2/38C08F293/00
    • This invention relates to a polymer composition of a block copolymer dispersed in water wherein the block copolymer is composed of: a) at least one first block of polymerized units of at least one first ethylenically unsaturated monomer and at least one latent thiol mercaptan chain transfer agent wherein the latent thiol mercaptan chain transfer agent has the general formula; ##STR1## wherein A is a polyvalent organic radical; x and y are positive integers such that x+y equals the valence of A; B is an organic acyl radical; and n and m are integers from 1 to 6; and b) at least one second block of polymerized units of at feast one second ethylenically unsaturated monomer, wherein said at least one second block is attached to said at least one first block by reacting with terminal thiol functional groups contained on said at least one first block.
    • 本发明涉及分散在水中的嵌段共聚物的聚合物组合物,其中嵌段共聚物由以下组成:a)至少一种至少一种第一烯属不饱和单体和至少一种潜在硫醇硫醇链转移剂的聚合单元的第一嵌段 其中所述潜在硫醇硫醇链转移剂具有通式; 其中A是多价有机基团; x和y是正整数,使得x + y等于A的化合价; B是有机酰基; n和m为1〜6的整数; 和b)至少一个第二嵌段聚合单元,其中所述至少一个第二烯键式不饱和单体是通过与所述至少一个第一嵌段上含有的末端硫醇官能团反应而连接到所述至少一个第一嵌段上的至少一个第二嵌段 块。