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    • 2. 发明申请
    • VISIBLE LIGHT CURABLE FREE RADICAL COMPOSITIONS CONTAINING 'pi'-ARENE METAL COMPLEXES
    • 可见光可固化自由基组合物,含有金属复合物
    • WO1988002879A1
    • 1988-04-21
    • PCT/US1987002619
    • 1987-10-13
    • LOCTITE CORPORATION
    • LOCTITE CORPORATIONWOODS, JohnROONEY, John, M.COAKLEY, Mary, P.
    • G03C01/68
    • C08G75/045C08F2/50G03F7/029
    • A visible light polymerisable composition comprises 1) free radically polymerisable material such as one or more monomers and/or prepolymers containing acrylate or methacrylate groups or a copolymerisable monomer combination based on a polythiol and a polyene. 2) a p-arene metal complex of formula (I), where a stands for 1 or 2 and n and q independently of each other each stand for an integer from 1 to 3, M is the cation of a monovalent to trivalent metal from groups IVb, VIIb, VIII or Ib of the periodic system, m is an integer corresponding to the valence of L + q, Q is a halogen and L is a metal or nonmetal with a valence of 2 to 7, R is a pi -arene and R is a pi -arene or the anion of a pi -arene. 3) a free radical rate accelerator such as a peroxide or hydroperoxide compound. More particularly, the pi -arene metal complex is a complex salt of a eta , eta iron arene cation and a non-nucleophilic anion, which is of formula (VII), where R is a eta arene selected from benzene, alkyl benzenes, alkyloxybenzenes, halobenzenes, haloalkylbenzenes, naphthalene, alkoxynaphthalenes, alkylnaphthalenes, halonaphthalenes, biphenyl, indene, pyrene or diphenylsulphide; R is the anion of a cyclopentadienyl compound, L is di- to heptavalent metal or metaloid, Z is a halogen and k is equal to 1 plus the valence of L.
    • 可见光可聚合组合物包含1)可自由基聚合的材料,例如含有丙烯酸酯或甲基丙烯酸酯基团的一种或多种单体和/或预聚物或基于多硫醇和多烯的可共聚单体组合。 2)式(I)的对芳族金属络合物,其中a代表1或2,n和q彼此独立地代表1至3的整数,M是一价至三价金属的阳离子 第IVb,VIIb,VIII或Ib族,m是对应于L + q的化合价的整数,Q是卤素,L是金属或非金属,价数为2至7,R 1为 一个芳基和一个R 2是一个仲芳基或一个芳香族的阴离子。 3)自由基速率促进剂如过氧化氢或过氧化氢化合物。 更具体地,所述π-芳族金属络合物是η6,η5铁芳族阳离子和非亲核阴离子的复合盐,其具有式(VII),其中R 6是η 选自苯,烷基苯,烷氧基苯,卤代苯,卤代烷基苯,萘,烷氧基萘,烷基萘,卤萘,联苯,茚,芘或二苯硫醚的芳烃; R 7是环戊二烯基化合物的阴离子,L是二价至七价金属或金属络合物,Z是卤素,k等于1加上L的化合价。