摘要:
The silicone rubber adhesive of the present invention is composed of a particular organopolysiloxane, condensation reaction catalyst and organoperoxide in restricted blending ratios. As a result, a characteristic of the present invention is that various organic materials may be tightly and durably bonded to silicone rubbers by applying the adhesive of the present invention to the surface of a cured silicone rubber and laying on and then curing an organic material such as a synthetic rubber composition, for example, ethylene-propylene terpolymer rubber or chloroprene rubber, or a phenol resin, epoxy resin, etc. In addition, it is also a characteristic of the present invention that silicone rubber may be tightly bonded to various materials by applying the silicone rubber adhesive of the present invention to various organic materials as mentioned above, bringing a silicone rubber composition which contains a curing catalyst into contact and then curing.
摘要:
A silicone rubber composition for application as electrical insulation that cures into a highly water-resistant silicone rubber that has excellent electrical properties and in particular has excellent high-voltage electrical insulation properties. The silicone rubber composition comprises(A) polyorganosiloxane,(B) surface-treated aluminum hydroxide powder surface treated with an organosilane or organosilazane, and(C) curing agent.Also, the composition afforded by the addition of 1 to 200 weight parts (D) microparticulate silica to components (A) to (C).
摘要:
A thermosetting organopolysiloxane composition made from organopolysiloxane gum, reinforcing silica having at least two weight percent methoxy groups, organohydrogenpolysiloxane having at least three silicon-bonded hydrogen atoms per molecule, and a curing catalyst, such as organic peroxide or platinum catalyst, exhibit improved adhesion to a variety of substrates such as glasses, metals, and plastics.
摘要:
A silicone rubber sheet which is both electrically insulating and thermally radiating is prepared by treating a network insulating material, such as glass fabric, with an alkoxysilane and then coating the resulting network insulating material with a fluid silicone rubber composition of an aliphatically unsaturated polyorganosiloxane, a polyorganohydrogensiloxane, alumina powder, and a platinum-group compound catalyst. The rubber sheets have improved bending resistance.
摘要:
A wafer formed thin through a back grinding process is placed on a support table included in an alignment stage. When a faulty suction is caused by a warp of the wafer, a surface of wafer is pressed by a pressing plate to be corrected and held by suction. The wafer held by suction is transported, along with the alignment stage, to a mount frame preparing unit at the next step. The wafer is received while being held by suction by a chuck table contacting the surface of wafer.
摘要:
A silicone rubber composition, comprising: (A) an polyorganosiloxane gum represented by the following average structural formula: RaSiO(4−a)/2 (where R is a substituted or non-substituted monovalent hydrocarbon, and a is a number between 1.8 and 2.3); (B) microparticulate silica; and (C) a methyl-substituted benzoyl peroxide having the maximum grain diameter not exceeding 50 &mgr;m and an average grain diameter of 30 &mgr;m. When cured, the silicone rubber composition has reduced nonuniformity in the physical properties because of fewer voids, resulting in decreased frequency of spark-outs in the insulated wires.
摘要:
An adhesive tape is applied to an article covered with a resist pattern. The article with the adhesive tape applied thereto is rapidly cooled to form cracks in the resist pattern on the surface of the article to weaken the cohesion between the resist pattern and the surface of the article. After the cooling, the adhesive tape is separated from the article, whereby the resist pattern is removed with the adhesive tape from the surface of the article.
摘要:
A heat-curable silicone rubber composition whose cure provides silicone rubber with excellent high-voltage electrical insulating properties. The heat-curable silicone rubber composition comprises:(A) polyorganosiloxane gum described by average compositional formulaR.sub.a SiO.sub.(4-a)/2, where R represents substituted and unsubstituted monovalent hydrocarbon groups and a is a number from 1.95 to 2.05 and that contains at least 2 silicon-bonded alkenyl groups in each molecule,(B) microparticulate silica,(C) zinc carbonate powder or basic zinc carbonate powder, and(D) organoperoxide.
摘要翻译:一种可固化的硅橡胶组合物,其固化提供具有优异的高电压电绝缘性能的硅橡胶。 可热固化的硅橡胶组合物包含:(A)由平均组成式R a SiO(4-a)/ 2所述的聚有机硅氧烷胶,其中R表示取代和未取代的单价烃基,a为1.95至2.05,至少包含 每个分子中有2个硅键合的烯基,(B)微粒二氧化硅,(C)碳酸锌粉或碱式碳酸锌粉,和(D)有机过氧化物。
摘要:
A curable silicone rubber composition comprising (A) organopolysiloxane comprising at least 2 silicon atom-bonded alkenyl groups in each molecule described by formula R.sub.a SiO.sub.(4-a)/2, where R represents a substituted or unsubstituted monovalent hydrocarbon group and a is a number from 1.95 to 2.05; (B) fine powdery silica; (C) a reaction mixture of (a) a platinum compound and (b) a compound containing an alkynyl group and an alcoholic hydroxy group in each molecule; and (D) a curing agent. The present invention is also a manufacturing method of curable silicone rubber composition. The curable silicone rubber compositions have an excellent flame-retarding property and good tracking resistance and other electrical properties.
摘要:
The composition of the present invention comprises a oil-resistant silicone rubber composition that undergoes little swelling even when used in regular or continuous contact with mineral oil-based lubricating oil such as engine oil and so forth. The oil-resistant silicone rubber composition comprises:(A) a dimethylsiloxane-3,3,3-trifluoropropylmethylsiloxane-methylvinylsiloxane copolymer gum that contains 0.001 to 5 mole percent methylvinylsiloxane unit,(B) a hydrocarbon oil or diorganopolysiloxane oil wherein the total in each diorganopolysiloxane oil molecule of the number of silicon-bonded hydrogen atoms and the number of functional groups reactive with component (A) or (C) is less than two,(C) a reinforcing filler, and(D) a curing agent in a quantity sufficient to cure the composition.