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    • 72. 发明授权
    • Flame retardant and flame-retardant resin composition
    • 阻燃和阻燃树脂组合物
    • US06982294B2
    • 2006-01-03
    • US10031210
    • 2001-05-11
    • Kazuaki MatsumotoYoshitaka OnoTatsushi Yoshida
    • Kazuaki MatsumotoYoshitaka OnoTatsushi Yoshida
    • C08K5/5419
    • C09K21/14C09K21/06
    • The present invention provides flame retardants which can provide high flame retardancy by means of silicon compounds.A flame retardant comprising an aromatic group-containing organosiloxane compoundwherein said compound has the following mean composition formula (1), does not flow at 23° C., flows at 200° C., does not gelate when heated at 200° C. with stirring for 30 minutes, has a number average molecular weight of not less than 2,000 and at the same time, dissolves not less than 100 g in 1 L of a solvent toluene at 23° C.: R1mR2nSiO(4-m-n)/2  (1) in the formula, R1 represents a univalent aliphatic hydrocarbon group containing 1 to 4 carbon atoms; R2 represents a univalent aromatic hydrocarbon group containing 6 to 24 carbon atoms; R1 and R2 each may contain two or more species; and m and n are numbers satisfying 1.1≦m+n≦1.7 and 0.4≦n/m≦2.5.
    • 本发明提供可通过硅化合物提供高阻燃性的阻燃剂。 包含含芳族基团的有机硅氧烷化合物的阻燃剂,其中所述化合物具有以下平均组成式(1),在23℃下不流动,在200℃下流动,在200℃加热时不凝胶化。 搅拌30分钟,数均分子量不小于2,000,同时在1升溶剂甲苯中在23℃下溶解不少于100g:<?在线配方说明书 =“在线公式”end =“lead”?> R SUB>(4-mn)/ 2(1)<?in-line-formula description =“In-line Formulas”end =“tail”?>在公式中,R <1 >表示含有1至4个碳原子的单价脂族烃基; R 2表示含有6至24个碳原子的单价芳族烃基; R 1和R 2各自可以含有两种或更多种; m和n是满足1.1 <= m + n <= 1.7和0.4 <= n / m <= 2.5的数字。