摘要:
Disclosed is a water repellent for fibers, comprising an acryl-silicone graft copolymer which is prepared by a radical copolymerization reaction of an organopolysiloxane compound containing one radical polymerizable group with radical polymerizable monomers including an acrylate, a methacrylate or a mixture thereof as a main member.
摘要:
A silicone self-adhesive composition is comprised of (A) high viscosity organopolysiloxane raw rubber, (B) MQ resin, (C) organohydrogenpolysiloxane, (D) platinum catalyst, and (E) high vinyl content organopolysiloxane. It cures at relatively low temperature into an adhesive layer which has good adhesive properties and heat resistance, finding use as heat resistant adhesive tapes and labels.
摘要:
A curable organopolysiloxane composition comprising:(A) an organopolysiloxane having at least two aliphatic unsaturated hydrocarbon groups,(B) a particular organohydrogenpolysiloxane having a group represented by the formula: ##STR1## wherein R.sup.3 is a substituted or unsubstituted monovalent hydrocarbon group and a is an integer of 2 or 3, and(C) a platinum catalyst.This composition has good curing properties, and the silicone film obtained by curing has good release properties which is stable for a long period of time.
摘要:
The reactive injection molding of a urethane-based resin composition according to the invention is performed by admixing the polyol compound as one of the reactants of the urethane-based resin with a specific organopolysiloxane as an internal mold release agent so that the molding process can be performed without application of an external mold release agent to the metal mold. The organopolysiloxane is characterized by two types of substituent groups bonded to the silicon atoms, of which the first type is --C.sub.x H.sub.2x OR', R' being a monovalent hydrocarbon group of 8 to 30 carbon atoms free from chain end unsaturation and x being 0-4, and the second type is --C.sub.y H.sub.2y (OC.sub.n H.sub.2n).sub.m OH, y being 1-4, n being 2-4 and m being 0-45.
摘要翻译:根据本发明的氨基甲酸酯类树脂组合物的反应性注射成型是通过将作为氨基甲酸酯基树脂的反应物之一的多元醇化合物与作为内部脱模剂的特定有机聚硅氧烷混合来进行的,以使成型工艺可以 在金属模具上没有施加外部脱模剂的情况下进行。 有机聚硅氧烷的特征在于与硅原子键合的两种取代基,其中第一类型是-C x H 2 x OR',R'是不具有不饱和键的8至30个碳原子的一价烃基,x是0-4 ,第二类型为-CyH2y(OCnH2n)mOH,y为1-4,n为2-4,m为0-45。
摘要:
Use of an ink composition containing an organopolysiloxane having at least one hydrophilic group can bring about such a lithographic printing using a dampening solution as the non-image area is hardly stained, the image area is given a sufficient density, emulsification hardly occurs and tolerance for change of printing conditions is high.
摘要:
The invention provides an organopolysiloxane having at least one polyhydric pendant group bonded to the silicon atom as derived from a polyglycerol compound. Such an organopolysiloxane is useful as a non-ionic surface active agent. The organopolysiloxane can be prepared by the hydrosilation reaction between an organohydrogenpolysiloxane having at least one hydrogen atom directly bonded to the silicon atom and a polyglycerol compound having an aliphatically unsaturated linkage in the molecule such as those obtained by the reaction of allyl alcohol and glycidol or by the reaction of diglycerin and allyl glycidyl ether.
摘要:
A nail enamel composition prepared by dissolving a solid resin and an organopolysiloxane, particularly a copolymer having a polysiloxane structure and a polyoxyalkylene structure, together in an organic solvent. The composition forms a film on the surface of the finger-nail and the film thus formed can easily be peeled off.
摘要:
There is provided a curable organopolysiloxane composition comprising (A) an organopolysiloxane containing, in its molecule, at least two groups represented by the general formula (1): CH.sub.2 .dbd.CH--(CH.sub.2).sub.a --(OC.sub.b H.sub.2b).sub.c --O--(1) wherein a is an integer of 1 to 8, b is an integer of 2 to 4, and c is an integer of 0 to 3; (B) an organohydrogenpolysiloxane containing, in its molecule, at least two hydrogen atoms each bonded to a silicon atom; (C) an addition-reaction retarder; and (D) a platinum family metal catalyst. The composition is fast in curing speed and superior in curing stability.
摘要翻译:提供了一种可固化的有机基聚硅氧烷组合物,其包含(A)在其分子中含有由通式(1)表示的至少两个基团的有机聚硅氧烷:有机聚硅氧烷:CH 2 = CH-(CH 2)a - (OC b H b b)c O-(1)其中 a为1〜8的整数,b为2〜4的整数,c为0〜3的整数。 (B)在其分子中含有至少两个各自键合到硅原子上的氢原子的有机氢聚硅氧烷; (C)加成反应缓凝剂; 和(D)铂族金属催化剂。 组合物的固化速度快,固化稳定性优异。
摘要:
Disclosed is a water repellent for fibers, comprising an acryl-silicone graft copolymer which is prepared by a radical copolymerization reaction of an organopolysiloxane compound containing one radical polymerizable group with radical polymerizable monomers including an acrylate, a methacrylate or a mixture thereof as a main member.
摘要:
Organopolysiloxane powder is prepared from an organopolysiloxane solution by admitting the organopolysiloxane solution into a planetary-screw mixer and agitating the solution at a sufficient temperature to allow a low-boiling liquid component to evaporate from the solution, thereby separating the low-boiling liquid component from the solution.