摘要:
A curable resin composition containing an oxyalkylene polymer having at least one silicon-containing reactive group in a molecule, and at least one compound selected from the group consisting of (1) a compound having at least one amino group and at least one trialkylsiloxy group in a molecule and (2) a silylamine derivative having at least one group with a hydroxy or hydrolyzable group bonded to the silicon atom and can be crosslinked through the formation of a siloxane bond, which provides a cured material having good adhesion properties with coatings and less residual tack.
摘要:
An object of the present invention is to improve a drying property of paint in application of alkyd paint to the surface of a cured material resulting from the curable composition containing an oxyalkylene polymer having at least one silicon-containing functional group capable of cross-linking by formation of at least one siloxane bond, and to provide a composition that contains an oxyalkylene polymer (A) having at least one silicon-containing functional group capable of cross-linking by formation of at least one siloxane bond and 2,6-di-t-butylhydroxytoluene wherein the content of the above-described 2,6-di-t-butylhydroxytoluene is 350 ppm or less relative to the above-described polymer (A).
摘要:
A silicon-containing polymer comprising a structural unit of the formula (1): ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and represent a monovalent organic group having 1 to 20 carbon atoms, and the benzene ring may have a substituent, which has good heat resistance.
摘要:
When a polysiloxane or siloxane is contacted with a mixture which comprises an orthoester, a compound having an active hydrogen-containing group and an acid catalyst, it is easily decomposed even at room temperature to provide a silicon compound having a lower molecular weight such as an alkoxysilane.
摘要:
A curable polymer composition which comprises (A) an oxyalkylene base polymer having at least one silicon-containing group to the silicon atom of which a hydroxyl group or a hydrolyzable group is bonded and which is cross linkable through formation of a siloxane bond and (B) at least one compound selected from the group consisting of a silicon-containing compound having at least one long chain hydrocarbon group and a silicon-containing compound having at least one fluorohydrocarbon group in an amount of 0.1 to 30 parts by weight per 100 parts by weight of the polymer (A), which composition provides a cured material having improved surface properties.
摘要:
A curable composition comprising an oxyalkylene polymer having reactive silicon groups and at least one other oxyalkylene polymer which contains no reactive silicon group and is either one containing hydroxyl groups and having a number average molecular weight of not less than 4,000 or one having essentially no hydroxyl group. The curable composition gives a cured product which imparts improved drying properties to alkyd paints applied to the cured product.
摘要:
A curable composition providing a cured product having a silicon type interpenetrating polymer network, which comprises (A) a silsesquioxane ladder polymer, (B) a silicon compound having at least two SiH groups per molecule, (C) a silicon compound having at least two vinylsilyl groups per molecule and (D) a neutral platinum catalyst; and a process for producing a molded article comprising heating the curable composition under a controlled temperature for synchronously causing hydrolysis and condensation of the alkoxysilyl group and/or silanol group and hydrosilylation.
摘要:
A curable polymer composition comprising:(A) an organic elastomeric polymer having, in a molecule, at least one silicon-containing group which is cross linkable through formation of a siloxane bond and(B) an epoxy resin which has been cured which is easily handled and affords a cured product having improved strength.
摘要:
A curable polymer composition comprising(A) 100 parts by weight of an organic polymer having at least one silicon-containing reactive group of the formula: ##STR1## wherein R.sup.1 is, the same or different, a C.sub.1 -C.sub.20 monovalent hydrocarbon group or a triorganosiloxy group of the formula:(R').sub.3 SiO-- (II)in which R' is, the same or different, a C.sub.1 -C.sub.20 monovalent hydrocarbon group; X is a hydroxyl group or a hydrolyzable group provided that when the number of Xs in the group (I) is at least 2, Xs are the same or different; a is 0, 1, 2 or 3; b is 0, 1 or 2; and m is an integer of 1 to 18, and(B) 0.01 to 10 parts by weight of a curing catalyst selected from the compounds of the formulas: ##STR2## wherein Q is a C.sub.1 -C.sub.20 monovalent hydrocarbon group; and Z is, the same or different, a C.sub.1 -C.sub.20 monovalent hydrocarbon group or an organic group having a functional residue which can form a coordinate bond with Sn atom, which can be quickly cured and particularly useful as a pressure sensitive adhesive and a sealing material.
摘要:
A curing composition which comprises (A) a polyether having at least one reactive silicon-containing group in the molecule and (B) an acrylate polymer and/or an methacrylate polymer. The composition of the present invention has excellent weatherability, adhesive property, initial tackiness, especially at a low temperature, cohesive force, workability and stickness and is useful as a pressure sensitive adhesive, a sealing material, and the like.