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    • 10. 发明授权
    • Organo-modified silicone, mold release agent for mold casting comprising the same, and mold casting method using the same
    • 有机改性硅氧烷,包含其的模具浇铸脱模剂和使用其的模具铸造方法
    • US08408276B2
    • 2013-04-02
    • US13326816
    • 2011-12-15
    • Takahiro Kondou
    • Takahiro Kondou
    • B22C3/00
    • C10M155/02B22C1/205C08G77/50C10M107/50C10M173/02C10M2229/041C10M2229/0415C10M2229/048C10M2229/0485C10N2230/06C10N2240/58
    • An organo-modified silicone obtained by an addition reaction of (I) a chain silicone represented by formula (1): wherein the formula (1), R1s represent hydrocarbon groups having 1 to 3 carbon atoms, and a and b are numbers satisfying conditions represented by the following formulae (i) to (iii): 0≦a≦195  (i) 5≦b  (ii) 10≦a+b≦200  (iii), with (II) a hydrocarbon such as monoolefins and aromatic hydrocarbons, and (III) a di(meth)acrylic acid ester, at a molar ratio satisfying conditions represented by the following formula (iv): {the chain silicone}:{the hydrocarbon}:{the di(meth)acrylic acid ester}=A:B:C  (iv) wherein the formula (iv), A represents a number of moles of the chain silicone, and B and C are numbers satisfying conditions represented by the following formulae (v) and (vi): 0.05A≦C≦A  (v) A×b−2C=B  (vi) in the presence of a hydrosilylation catalyst.
    • 通过(I)由式(1)表示的链状硅氧烷的加成反应获得的有机改性硅氧烷:其中式(1),R 1表示具有1至3个碳原子的烃基,a和b是满足条件 由式(ⅰ)至(ⅲ)表示的化合物:(ⅰ):;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; hydrocarbons hydrocarbons hydrocarbons hydrocarbons hydrocarbons hydrocarbons hydrocarbons hydrocarbons hydrocarbons hydrocarbons ,和(III)二(甲基)丙烯酸酯,其摩尔比满足由下式(ⅳ)表示的条件:{链状硅氧烷}:{烃}:{二(甲基)丙烯酸酯} = A:B:C(iv)其中式(iv)中A表示链硅氧烷的摩尔数,B和C是满足由下式(v)和(vi)表示的条件的数:0.05A& ; C(n); A(v)A×b-2C = B(vi)在氢化硅烷化催化剂存在下。