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    • 3. 发明授权
    • Polymerization with living characteristics
    • 具有生活特性的聚合
    • US07666962B2
    • 2010-02-23
    • US11805949
    • 2007-05-25
    • Tam Phuong LeGraeme MoadEzio RizzardoSan Hoa Thang
    • Tam Phuong LeGraeme MoadEzio RizzardoSan Hoa Thang
    • C08F2/00
    • C08K5/38C07C327/36C07C329/00C07F9/4065C08F2/38C08F12/08C08F293/00C08F293/005C08L25/06
    • This invention concerns a free radical polymerization process, selected chain transfer agents employed in the process and polymers made thereby, in which the process comprises preparing polymer of general Formula (A) and Formula (B) comprising contacting: (i) a monomer selected from the group consisting of vinyl monomers (of structure CH2=CUV), maleic anhydride, N-alkylmaleimide, N-arylmaleimide, dialkyl fumarate and cyclopolymerizable monomers; (ii) a thiocarbonylthio compound selected from Formula (C) and Formula (D) having a chain transfer constant greater than about 0.1; and (iii) free radicals produced from a free radical source; the polymer of Formula (A) being made by contacting (i), (ii) C and (iii) and that of Formula (B) by contacting (i), (ii) D, and (iii); and (iv) controlling the polydispersity of the polymer being formed by varying the ratio of the number of molecules of (ii) to the number of molecules of (iii); wherein Q, R, U, V, Z, Z′, m, p and q am as defined in the text.
    • 本发明涉及自由基聚合方法,该方法中使用的选择的链转移剂和由此制备的聚合物,其中该方法包括制备通式(A)和式(B)的聚合物,其包括:(i)选自 由乙烯基单体(结构CH 2 = CUV),马来酸酐,N-烷基马来酰亚胺,N-芳基马来酰亚胺,富马酸二烷基酯和可环化聚合的单体组成的组; (ii)选自式(C)和式(D)的硫代羰基硫代化合物,其链转移常数大于约0.1; 和(iii)自由基产生的自由基; 式(A)的聚合物通过使(i),(ii)D和(iii)接触而使(i),(ii)C和(iii)与式(B) 和(iv)通过改变(ii)的分子数与(iii)的分子数之比来控制形成的聚合物的多分散性; 其中如文中所定义的Q,R,U,V,Z,Z',m,p和q am。
    • 10. 发明授权
    • Raft polymerisation
    • 筏聚合
    • US09340498B2
    • 2016-05-17
    • US13145993
    • 2010-01-22
    • Ezio RizzardoJohn ChiefariMassimo BenagliaSan ThangGraeme Moad
    • Ezio RizzardoJohn ChiefariMassimo BenagliaSan ThangGraeme Moad
    • C08F2/38C07C329/20C07C333/24C07D213/68C07D213/74C08F4/00C08F293/00C07D213/24C07D213/06C07D213/60
    • C07C329/20C07C333/24C07D213/06C07D213/24C07D213/60C07D213/68C07D213/74C08F2/38C08F4/00C08F293/005C08F2438/03
    • A method of preparing polymer, the method comprising polymerizing one or more ethylenically unsaturated monomers of formula (I) where U is selected from H, C1-C4 alkyl or halogen; V is halogen or of the form O-G where G is selected from —C(O)R1 and —R1, or V is of the form NGGa where G is as defined above and Ga is selected from H and R1, G and Ga form together with N a heterocyclic ring, or V is of the form CH2Gb where Gb is selected from H, R1, OH, OR1, NR12, PR12, P(O)R12, P(OR1)2, SR1, SOR1, and SO2R1; and where the or each R1 is independently selected from optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted aryl, optionally substituted heteroaryl, optionally substituted carbocyclyl, optionally substituted heterocyclyl, optionally substituted arylalkyl, optionally substituted heteroarylalkyl, optionally substituted alkylaryl, optionally substituted alkylheteroaryl, and an optionally substituted polymer chain, under the control of a RAFT agent of formula (II) or (III), where Y is a Lewis base moiety and Y* is an n-valent Lewis base moiety; X is O or NR1, R1 is as defined above or forms together with Y or Y* and N a heterocyclic ring; m is an integer ≧1; n is an integer ≧2; and where R* is a m-valent radical leaving group that affords R*. which initiates free radical polymerization of the one or more ethylenically unsaturated monomers of formula (I), and R is a free radical leaving group that affords R. which initiates free radical polymerization of the one or more ethylenically unsaturated monomers of formula (I).
    • 一种制备聚合物的方法,所述方法包括使U选自H,C 1 -C 4烷基或卤素的一种或多种式(I)的烯属不饱和单体聚合; V是卤素或其中G选自-C(O)R 1和-R 1的OG形式,或V是NGGa形式,其中G如上所定义,并且Ga选自H和R 1,G和Ga一起形成 其中G a选自H,R 1,OH,OR 1,NR 12,PR 12,P(O)R 12,P(OR 1)2,SR 1,SOR 1和SO 2 R 1; 任选取代的芳基,任选取代的杂芳基,任选取代的碳环基,任选取代的杂环基,任选取代的芳基烷基,任选取代的杂芳基烷基,任选取代的烷基芳基, 任选取代的烷基杂芳基和任选取代的聚合物链,其在式(II)或(III)的RAFT试剂的控制下,其中Y是路易斯碱部分,Y *是n价路易斯碱部分; X是O或NR 1,R 1如上定义或与Y或Y *一起形成,并且N a是杂环; m是整数≧1; n是整数≥2; 并且其中R *是提供R *的m价离去基团。 其引发式(I)的一种或多种烯属不饱和单体的自由基聚合,R是提供R.引发式(I)的一种或多种烯属不饱和单体的自由基聚合的自由基离去基团。