Abstract:
The present invention relates to the use of an adhesive compound, in particular a pressure-sensitive adhesive compound, based on silylated polyurethanes for bonding optical components, in particular optical films, wherein the adhesive compound has a transmission according to ASTM D 1003 of greater than 86% and a haze according to ASTM D 1003 of less than 5%.
Abstract translation:本发明涉及使用基于甲硅烷基化聚氨酯的粘合剂化合物,特别是压敏粘合剂化合物,用于粘合光学组件,特别是光学膜,其中粘合剂化合物具有根据ASTM D 1003的透射率大于 86%,根据ASTM D 1003的雾度小于5%。
Abstract:
The invention provides a transparent adhesive sheet for a flat panel display, which does not permit delamination on the adhesion surface to the glass plate even if a stress such as distortion, bending and the like is applied to the display, and does not produce bubbles in the boundary with the glass plate. The transparent adhesive sheet for a flat panel display comprised of a cured product of a composition comprising (A) a polyoxyalkylene based polymer having at least one alkenyl group in one molecule, (B) a compound having an average of not less than 2 hydrosilyl groups in one molecule, and (C) a hydrosilylation catalyst.
Abstract:
A heat-curable fluoropolyether adhesive composition comprising (A) a linear polyfluoro compound having at least two alkenyl groups and a perfluoropolyether structure, (B) a fluorinated organohydrogensiloxane having at least two SiH groups, (C) a platinum group metal catalyst, (D) an organosiloxane having at least one SiH group and at least one epoxy and/or trialkoxysilyl group, and (E) a compound having at least two allyloxycarbonyl groups can be cured to metal and plastic substrates by heating at a temperature from 20° C. to less than 100° C.
Abstract:
Self-adhesive addition-crosslinking silicone compositions, contain two adhesion promoters, a first, multinuclear aromatic compound containing at least one moiety of aliphatic unsaturation, and a low viscosity organopolysiloxane having at least one terminal, silicon-bonded hydrogen. The addition curable materials exhibit strong adhesion to substrates, even substrates which have exhibited problematic adhesion to silicone elastomers in the past.
Abstract:
This invention discloses an adhesive organopolysiloxane compositions which cure in the presence of addition reaction catalysts and adhere firmly to various materials when they harden comprising;(1) 100 parts by weight of an organopolysiloxane containing at least alkenyl groups bonded to silicon atoms in 1 molecule,(2) an organohydrogenpolysiloxane containing at least 3 hydrogen atoms bonded to silicon atoms in 1 molecule, in sufficient quantity to donate 0.5-10 hydrogen atoms bonded to silicon atoms to 1 alkenyl group in said 1st constituent,(3) 0.1-20 parts by weight of an organosilicone compound containing at least 1 hydrogen atom bonded to silicon atoms, at least 1 fluoroalkyl group or fluoroalkylether group bonded to silicon atoms via carbon atoms and at least 1 epoxy group and/or trialkoxysilyl group bonded to silicon atoms via carbon atoms in 1 molecule, and(4) platinum or a platinum compound in suitable quantity to act as a catalyst.
Abstract:
Addition-curable silicone pressure sensitive adhesives can be covered with an addition-cured fluorosilicone release coating to provide a releasable laminate. The release force of the laminate is low to moderate and the subsequent adhesion and tack of the adhesive is high and all three values are stable with time. The laminate can be prepared by contacting the release coating with cured adhesive or by curing the adhesive in contact with the release coating.
Abstract:
The present disclosure relates to a potting adhesive, including: a component A and a component B, the component A including a first liquid organic adhesive containing dimethyl siloxane, the component B including a second liquid organic adhesive containing methyl hydrogen siloxane and silicone oil, at least one of the component A and the component B further including ceramic particles which are spherical particles with a particle size of 0.1 mm to 3 mm. The present disclosure further relates to a heat dissipation device, including an adhesive potting groove, a transformer provided in the adhesive potting groove, and a filling medium which fills and is consolidated in a gap between the transformer and the adhesive potting groove.
Abstract:
A silicone composition curable to a silicone bonding agent that is suitable for use in manufacturing an optical memory element comprises:(A) 100 parts by weight of an organopolysiloxane having an average of at least two silicon-bonded alkoxy groups per molecule and an average of at least two silicon-bonded alkenyl groups per molecule, wherein the alkoxy groups and the alkenyl groups are in the same molecule;(B) an organohydrogenpolysiloxane having an average of at least two silicon-bonded hydrogen atoms per molecule, wherein the molar ratio of silicon-bonded hydrogen atoms in component (B) to silicon-bonded alkenyl groups in component (A) is from 0.3:1 to 20:1;(C) 0.01 to 20 parts by weight of a metal condensation reaction catalyst wherein the metal of said metal condensation reaction catalyst is selected from the group consisting of titanium, zirconium and aluminum; and(D) a catalytic amount of a hydrosilylation reaction catalyst. The composition is cured by an addition reaction and a condensation reaction.
Abstract:
To a silicone rubber adhesive composition comprising (A) a diorganopolysiloxane containing at least two alkenyl groups in a molecule, (B) a diorganohydrogenpolysiloxane having at least two hydrogen atoms directly attached to silicon atoms in a molecule and a viscosity of about 5 to about 5,000 cs at 25.degree.C., (C) an adhesion modifier compound containing in its molecule a group represented by (RO).sub.3 Si-- or H(RO).sub.2 Si-- wherein R is selected from the group consisting of methyl, ethyl, trifluoroethyl, hexafluoropropyl, and methoxyethyl groups, and (D) a platinum catalyst is added (E) an organic tin compound. The combined use of components (C) and (E) provides he synergistic effect that the resulting adhesive composition can firmly adhere to even polycarbonate and polyphenylene sulfide resins which are known as difficultly bondable resins.
Abstract translation:对于包含(A)在分子中含有至少两个烯基的二有机聚硅氧烷的硅橡胶粘合剂组合物,(B)具有至少两个氢原子的二有机氢聚硅氧烷,其直接与分子中的硅原子连接,粘度约为5至约5,000 (C)在其分子中含有由(RO)3 Si 3或H(RO)2 -Si表示的基团的粘合改性剂化合物,其中R选自甲基,乙基,三氟乙基,六氟丙基 和甲氧基乙基,和(D)铂催化剂(E)有机锡化合物。 组合物(C)和(E)的组合使用提供了所得粘合剂组合物可以牢固地粘附到称为难粘合树脂的甚至聚碳酸酯和聚苯硫醚树脂的协同效应。
Abstract:
Solventless or low solvent-containing silicone pressure sensitive adhesive compositions having excellent adhesive strength and high tack are provided, comprising (A) a toluene-soluble resinous copolymer containing R.sub.3 SiO.sub.1/2 units and SiO.sub.4/2 units; (B) a vinyi-endblocked polydiorganosiloxane having a viscosity of 10 to 500 centipoise at 250.degree. C.; (C) a hydride-endblocked polydiorganosiloxane having a viscosity of 10 to 1,000 centipoise at 250.degree. C.; the ratio of silicon-bonded hydrogen atoms in (C) to olefinically unsaturated radicals in the total of (A) and (B), being in the range of from about 1.2:1 to about 15.0:1; and (D) a hydrosilation catalyst.