摘要:
A hybrid coating including a mixture of an organosilane component, a metal alkoxide component and a surfactant component. A method for coating a substrate including cleaning a substrate surface, treating the surface with oxygen plasma, applying an adhesion promoter to the surface, then applying a hybrid coating to the surface and curing the hybrid coating. A method for making a hybrid coating includes preparing a mixture comprising an organosilane, a metal alkoxide and a surfactant, heating the mixture; and filtering the mixture.
摘要:
Star branched siloxane compounds suitable as anti-mist additives in the coating of flexible supports are made as the reaction product of:in the presence of a noble metal hydrosilylation catalyst where the ratio between the hydride containing precursor and the vinyl containing precursor is defined by a mathematical relationship between the stoichiometric subscripts of the precursors, (b+d+f-g-h-i)/(((k+m+o)p)q) ranging from 4.59 to 0.25 and where the compound:may be obtained by the following reaction:which compound itself is a star branched siloxane compound useful as an anti-mist additive.
摘要:
Filled silicone composition, in situ preparation and use thereof are provided. The composition comprises a mixture of (A) an in situ-prepared treated silica, (B) an in situ-prepared (siloxane-alkylene)-endblocked polydiorganosiloxane, (c) a cure catalyst and (D) a crosslinker. Moreover, the composition can be used as adhesive, coating and sealant.
摘要:
An object of the present invention is to provide an organic-inorganic hybrid forming composition, which is capable of forming an organic-inorganic hybrid with less yellow coloring than conventional ones, while maintaining the surface hardness. The organic-inorganic hybrid forming composition of the present invention comprises: a) a condensate of an organosilicon compound represented by the formula (I): R n SiX 4-n (I) (wherein R represents an organic group having a carbon atom directly bonded to Si in the formula; X each independently represents a hydroxyl group or a hydrolyzable group; and n represents 1 or 2, and when n is 2, each R is the same or different), which is obtained by condensing the organosilicon compound represented by the formula (I) in the presence of a zirconium complex; b) an electromagnetic ray-curable compound; and c) a photopolymerization initiator.
摘要:
Partially reacted alkoxysilane compositions, the use of partially reacted alkoxysilane compositions as adhesion-promoting primer coatings, and methods of using the partially reacted alkoxysilane compositions and coatings are disclosed.
摘要:
A method of producing a layer of a UV-cured silicone rubber composition on a substrate surface, including applying a primer composition to the substrate surface and hardening the primer composition followed by applying a UV-curable silicone rubber composition, and UV-curing the curable silicone rubber composition. At least one UV-sensitive crosslinking catalyst selected from compounds which initiate and promote curing of UV-curable silicone rubber compositions, is added to the silicone primer composition in any desired sequence before, during or after hardening of the silicone primer composition.
摘要:
A coating composition comprising inorganic oxide fine particles containing at least one element selected from the group consisting of Ti, Zr, Sn and Sb, a hydrolysable group-containing organic silicon compound, and (C1) a surfactant having an HLB value of 8 or less and (C2) a surfactant having an HLB value of more than 8, for forming a coat layer having little white turbidity, a good appearance and excellent scratch resistance, chemical resistance, hot water resistance and weather resistance on the surface of a plastic optical substrate.
摘要:
A compound is provided, having the formula (I), wherein RS is a soft block polymer; wherein each T is independently a urethane or urea linkage; see formulae (A) and (B); wherein each RD is independently —CH3, —CH2CH3, —CH2CH2CH3, or —CH2CH2CH2CH3; wherein each R′D is independently —CH3, —CH2CH3, —CH2CH2CH3, —CH2CH2CH2CH3, or —ORD; and wherein each p is independently 1, 2, or 3. Compositions containing the compound, and methods of making and using the compound are provided.
摘要:
Articles comprising: a molded substrate comprising one or more polycarbonate resins or blends of polycarbonate and polyester resins containing polydimethyl siloxanes modified with one or more of acrylate, hydroxyl or epoxy groups and disposed on the surface or a portion of the surface of the substrate is a cured silicone rubber; wherein the one or more polycarbonate resins or blends of polycarbonate and polyester resins contain the modified polydimethyl siloxanes in sufficient amount such that the peel strength is increased. Compositions comprising one or more polycarbonate resins or blends of polycarbonate and polyester resins containing polydimethyl siloxanes modified with one or more of acrylate, hydroxyl or epoxy groups in an amount of about 0.1 to less than 1.0 percent by weight. Methods for preparing the articles are disclosed.
标题翻译:MEHRKOMPONENTIGE,BEI RAUMTEMPERATURHÄRTBAREORGANOPOLYSILOXANZUSAMMENSETZUNG,GEHÄRTETESPRODUKT AUS DER BESAGTEN ZUSAMMENSETZUNG UND GEFORMTES PRODUKT MIT BESAGTEMGEHÄRTETENPRODUKT
摘要:
Provided is a multicomponent room temperature-curable organopolysiloxane composition capable of providing a cured product superior in fast curability, storage stability and durability. The room temperature-curable organopolysiloxane composition comprises: (A) an alkoxysilyl-ethylene group-terminated organopolysiloxane having in each molecule at least one silyl-ethylene bond represented by the following structural formula (1) (wherein R 1 represents an alkyl group; R 2 represents a hydrocarbon group having 1 to 20 carbon atoms; a represents an integer of 1 to 3; and n represents an integer of 0 to 10.); (B) an organopolysiloxane represented by the following general formula (2) (wherein R 2 represents a hydrocarbon group having 1 to 20 carbon atoms; and m represents a number at which such organopolysiloxane exhibits a viscosity of 10 to 1,000,000 mPa·s at 25°C.); and (C) a curing catalyst.