会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 125. 发明授权
    • Organosilicon compositions for the nonstick treatment of sheets and films
    • 用于非薄片处理片和薄膜的组氨酸组合物
    • US3821154A
    • 1974-06-28
    • US35076073
    • 1973-04-13
    • RHONE POULENC SA
    • DUMOULIN JLINGUENHELD L
    • C08L83/04D06M15/643C08G51/28
    • D06M15/6436C08G77/16C08G77/20C08L83/04Y10T428/31612Y10T428/31652Y10T428/31663Y10T428/31678Y10T428/31725Y10T428/31786Y10T428/31971Y10T428/31993C08L83/00C08L2666/28
    • Coating compositions containing specified quantities of (a) an Alpha , omega -dihydroxydimethylpolysiloxane polymer, with a viscosity of at least 25,000 cPo at 25*C, containing at most 0.1 percent by weight of hydroxyl groups, (b) a dimethylpolysiloxane rubber terminated at each end of its chain by a unit of the formula (CH3)3SiO0.5 or (CH3)2CH2 CHSiO0.5, with a viscosity of at least 1 million cPo at 25*C, (c) a crosslinking agent of the general formula (Q)4 nSi((OCH2CH2)pOQ'')n in which the symbol Q represents a hydrolysable radical selected from the group consisting of N,N-dialkylaminoxy, ketoniminoxy and aldiminoxy radicals, the symbol Q'' represents a methyl or ethyl radical, the symbol n represents a number from 1 to 4 and the symbol p represents 1 or 2, (d) a tin, titanium or iron catalyst, (e) optionally a specified silicon containing vulcanisation accelerator and (f) an organic solvent are rendered more storage stable by incorporation of a hydroxylic methylpolysiloxane oil containing at least 3 percent by weight of hydroxyl groups, of viscosity between 3 and 400 cPo at 25*C, of the average general formula

      IN WHICH THE SYMBOL A REPRESENTS A NUMBER FROM 1.7 TO 2.3 AND THE SYMBOL B REPRESENTS A NUMBER FROM 0.14 TO 1. The compositions can be applied to sheets or films of various materials to render the surface non-stick when in contact with tacky substances.
    • 通过将含有规定量的(a)α,ω-二羟基二甲基聚硅氧烷聚合物的涂料组合物在25℃下施加至少25,000cPo的粘度,在25℃下含有至多0.1%的涂料组合物,使片材或膜变得不粘, 羟基的重量,(b)在其链的每个末端以式(CH 3)3 SiO 0.5或(CH 3)2 CH 2 = CHSiO 0.5单位封端的二甲基聚硅氧烷橡胶,其粘度至少为100万cPo 25℃,(c)通式(Q)4-nSi [(OCH 2 CH 2)pOQ'] n的交联剂,其中符号Q表示可水解基团,其选自N,N-二烷基氨氧基,酮亚氨基 和二亚氨氧基,符号Q'表示甲基或乙基,符号n表示1至4的数字,符号p表示1或2,(d)锡,钛或铁催化剂,(e)任选地 指定的含硅硫化促进剂和(f)有机溶剂得到更多 通过加入含有至少3重量%羟基的羟基甲基聚硅氧烷油,在25℃下的粘度在3和400cPo之间的平均通式(CH 3)ANGLE SiO 4 -ab / 2(HO) b符号表示从1.7到2.3的数字,符号B表示从0.1到1的数字。