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    • 2. 发明授权
    • Crosslinkable polyorganosiloxane composition
    • 可交联聚有机硅氧烷组合物
    • US5721291A
    • 1998-02-24
    • US602518
    • 1996-02-20
    • Eric GaulleChristian PriouAndre Soldat
    • Eric GaulleChristian PriouAndre Soldat
    • C08L83/05C08F2/46C08L83/04C08L83/06C09D183/06C09J7/02
    • C08L83/06C09D183/06
    • The invention relates to a composition based on crosslinkable epoxy-functional organopolysiloxanes. This composition comprises: A. at least 10% by weight of a linear polyorganosiloxane A (POS) of average general formula (II): ##STR1## in which: R.sub.1 is CH.sub.3, R' is an alkylene containing 2 to 50 C, R is an alkyl having from 6 to 26 C, X is R.sub.1, H, --R'-epoxy or hydroxyl, x=40-150, t=3-9, z=0-5 and y=0, B. at least one second crosslinkable epoxy-functional POS (B), B being present in the proportion of at most 90% by weight and corresponding to: B(a) with x=160-1000, t=1-15, z=0-5 and y=0, B(b) with x=0-120, t=10-30, z=0-5 and y=0, or B(c) with x=0-200, t=0-5, z=0-5 and y=10-90, C. and at least one photoinitiator. This composition can be used in the manufacture of protectors for adhesive bodies ("release liners"), papers or plastics or of liner-free self-adhesive labels.
    • 本发明涉及一种基于交联性环氧官能的有机聚硅氧烷的组合物。 该组合物包含:A.至少10重量%的平均通式(II)的线性聚有机硅氧烷A(POS):其中:R 1是CH 3,R'是含有2至50个的亚烷基 C,R为6至26个碳原子的烷基,X为R1,H,-R'-环氧或羟基,x = 40-150,t = 3-9,z = 0-5,y = 0,B 至少一个第二可交联环氧官能POS(B),B以至多90重量%的比例存在,并且对应于:B(a),其中x = 160-1000,t = 1-15,z = 0-5和y = 0,B(b)其中x = 0-120,t = 10-30,z = 0-5和y = 0,或B(c),x = 0-200,t = 0 -5,z = 0-5和y = 10-90,C和至少一种光引发剂。 该组合物可用于制造用于粘合体(“脱模衬垫”),纸张或塑料或无衬垫的自粘标签的保护件。
    • 3. 发明授权
    • Olefinically functional polyorganosiloxanes and curable silicone
compositions comprised thereof
    • 由其组成的烯属功能性聚有机硅氧烷和可固化的有机硅组合物
    • US5795947A
    • 1998-08-18
    • US678174
    • 1996-07-11
    • Jean-Marc FrancesAndre Soldat
    • Jean-Marc FrancesAndre Soldat
    • C08G77/20C08G77/38C09D183/04C08G77/08
    • C08G77/38C08G77/20C09D183/04
    • Functional mixed polyorganosiloxanes, well suited for formulation into curable release compositions, notably for paper, comprise the same or different recurring structural units of the formula (I): R.sub.a Y.sub.b X.sub.c SiO.sub.(4-a-b-c)/2 (I) in which the radicals R are each an alkyl, vinyl, aryl or aralkyl radical, at least 80% of the radicals R being methyl radicals, the radicals X are each H or a reactive polar functional group devoid of the heteroatoms nitrogen and sulfur, the radicals Y are at least C.sub.4 alkenyl or alkenyloxy radical containing at least one site of ethylenic unsaturation at a polymer chain end or along the polymer chain, a, b and c are equal to 0, 1, 2 or 3, and a+b+c=0, 1, 2 or 3, with the proviso that the number of SiO.sub.4/2 units is less than 30 mol %, and are prepared from the corresponding organohydropolysiloxanes devoid of the X functional groups and the Y radicals, from the corresponding alkenes from which the alkenyl or alkenyloxy radicals Y are derived and from the corresponding ethylenically or hydroxylated organic compounds from which the X functional groups are derived, whether via simultaneous or successive addition reactions, or via simultaneous dehydrocondensation and addition reactions, or via successive dehydrocondensation and then addition reactions.
    • 功能性混合聚有机硅氧烷,非常适合配制成可固化脱模组合物,特别是用于纸的组合物包含相同或不同的式(I)的重复结构单元:其中基团R各自独立地为R ybXcSiO(4-abc)/ 2(I) 烷基,乙烯基,芳基或芳烷基,至少80%的基团R是甲基,基团X各自为H或没有杂原子氮和硫的反应性极性官能团,基团Y至少为C4链烯基 或在聚合物链端或沿着聚合物链的至少一个含有烯属不饱和位点的烯氧基,a,b和c等于0,1,2或3,a + b + c = 0,1,2 或3,条件是SiO 4/2单元的数量小于30摩尔%,并且由相应的烯烃或烯氧基自由基的烯烃由相应的烯烃或链烯基氧基组成的相应的没有X官能团和Y基团的有机氢聚硅氧烷制备 Y是衍生的,来自相应的eth 不管是通过同时还是连续的加成反应,或通过同时脱氢缩合和加成反应,或通过连续脱氢缩合,然后加成反应,衍生出X官能团的烯属或羟基化有机化合物。