Patent classifications
C09J183/12
MOISTURE CURABLE RESIN COMPOSITION AND CURED PRODUCT
A moisture curable resin composition has excellent adhesiveness to aluminum, and it also has excellent rapid curability and thick film curability by moisture without using an organic tin catalyst. A moisture curable resin composition contains the following (A) to (C) components: (A) component: a polyoxyalkylene having a hydrolyzable silyl group at both terminals; (B) component: a zinc-based catalyst; and (C) component: a compound having one hydrolyzable silyl group and at least one amino group in one molecule. The (B) component is contained in a predetermined amount per 100 parts by mass of the (A) component.
MOISTURE CURABLE RESIN COMPOSITION AND CURED PRODUCT
A moisture curable resin composition has excellent adhesiveness to aluminum, and it also has excellent rapid curability and thick film curability by moisture without using an organic tin catalyst. A moisture curable resin composition contains the following (A) to (C) components: (A) component: a polyoxyalkylene having a hydrolyzable silyl group at both terminals; (B) component: a zinc-based catalyst; and (C) component: a compound having one hydrolyzable silyl group and at least one amino group in one molecule. The (B) component is contained in a predetermined amount per 100 parts by mass of the (A) component.
CURABLE FLUOROPOLYETHER ADHESIVE COMPOSITION AND OPTICAL PARTS
This curable fluoropolyether adhesive composition contains specific amounts of (A) a straight-chain polyfluoro compound having two or more alkenyl groups per molecule, and having a perfluoropolyether structure in the main chain thereof, (B) a fluorine-containing organohydrogen siloxane having, per molecule, a perfluoroalkyl group, a perfluoro oxyalkyl group, a perfluoro alkylene group, or perfluoro oxyalkylene group, and two or more SiH groups, and not having an epoxy group or an alkoxy group directly bonded to a silicon atom. (C) sodium fluoride. (D) a platinum-group metal catalyst, and (E) an organopolysiloxane having, per molecule, a SiH group, a perfluoroalkyl group or a perfluoro oxyalkyl group, and an epoxy group and/or a trialkoxysilyl group.
A cured product of the composition has good light transmission properties and good adhesion properties, and excellent rubber strength.
CURABLE SILICONE COMPOSITION, RELEASE COATING AGENT COMPRISING SAID COMPOSITION, RELEASE FILM OBTAINED USING SAID RELEASE COATING AGENT, AND LAYERED PRODUCT INCLUDING SAID RELEASE FILM
Provided is a curable silicone composition for a release agent which can form a release film having a silicone adhesive with a low release force even when thin and which does not reduce the adhesive strength of the silicone adhesive to other substrates upon releasing the release film. A release film and laminate are also provided. The curable silicone composition comprises: (A) a fluorine-containing organopolysiloxane mixture obtained by mixing the following components (A1) and (A2) at a mass ratio of 1/99 to 45/55: (A1) a fluoro(poly)ether modified organopolysiloxane having at least two alkenyl groups per molecule along with a fluoro(poly)ether-containing organic group; (A2) a fluoroalkyl group-containing organopolysiloxane having at least two alkenyl groups per molecule along with a fluoroalkyl group having 1 to 12 carbon atoms; (B) an organopolysiloxane having at least three silicon atom-bonded hydrogen atoms per molecule; (C) a hydrosilylation reaction catalyst; and (D) an organic solvent.
Preparation of Polysiloxane Polyalkyleneglycol Brush Copolymers
The present invention relates a hydroxyl-functionalized unimodal polysiloxane polyalkyleneglycol brush copolymer of the structure [A(-X—B)].sub.s, wherein: A represents said polysiloxane backbone; B represents said polyalkyleneglycol side chain; X is a linker group characterized by including the moiety Si—C—C— of which said Si is a part of the polysiloxane backbone A; and s is an integer of from 1 to 100, wherein the polysiloxane backbone A contains less than 500 ppm mol % of SiH moiety based on the total moles of the silicon atom which constitutes the polysiloxane backbone, and said copolymer has a polydispersity index of from 1.3 to 5.0; and a method for producing said hydroxyl-functionalized unimodal polysiloxane polyalkyleneglycol brush copolymer.
Curable Composition Comprising Polysiloxane Polyalkyleneglycol Brush Copolymers
The invention relates to a curable composition comprising: a) at least one polymer having at least one silicon-containing group of formula —Si(R.sup.1).sub.k(Y).sub.3-k as defined herein, and b) at least one hydroxyl-functionalized polysiloxane polyalkyleneglycol brush copolymer of the structure [A(-X—B)].sub.s as defined herein; and an adhesive, sealant, or coating material comprising said curable composition and use thereof.
Curable Composition Comprising Polysiloxane Polyalkyleneglycol Brush Copolymers
The invention relates to a curable composition comprising: a) at least one polymer having at least one silicon-containing group of formula —Si(R.sup.1).sub.k(Y).sub.3-k as defined herein, and b) at least one hydroxyl-functionalized polysiloxane polyalkyleneglycol brush copolymer of the structure [A(-X—B)].sub.s as defined herein; and an adhesive, sealant, or coating material comprising said curable composition and use thereof.
Curable Composition Comprising Polysiloxane Polyalkyleneglycol Brush Copolymers
The invention relates to a curable composition comprising: a) at least one polymer having at least one silicon-containing group of formula —Si(R.sup.1).sub.k(Y).sub.3-k as defined herein, and b) at least one hydroxyl-functionalized polysiloxane polyalkyleneglycol brush copolymer of the structure [A(-X—B)].sub.s as defined herein; and an adhesive, sealant, or coating material comprising said curable composition and use thereof.
Curable composition, adhesive sheet, cured product, laminate, method for producing adhesive sheet, and device
Provided is a curable composition that can, when cured, form a cured product having adhesiveness and adhesion to an adherend at excellent levels. The curable composition contains a polyorganosilsesquioxane and one of (A) a compound represented by Formula (X); and (B) a polymerization stabilizer, where Formula (X) is expressed as follows: ##STR00001##
wherein r1 represents an integer from 4 to 20; L represents a group containing epoxy, oxetanyl or vinyl ether group; R.sup.11 and R.sup.12 each represent an optionally substituted hydrocarbon group; s1 represents an integer from 1 to 3; t1 represents an integer from 0 to 2, where s1 plus t1 equals 3; and R.sup.13 and R.sup.14 are selected from hydrogen and an optionally substituted hydrocarbon group. The polyorganosilsesquioxane has a number-average molecular weight of 1000 to 3000 and a molecular-weight dispersity of 1.0 to 3.0, includes a constitutional unit represented by Formula (1), has a ratio of a constitutional unit represented by Formula (I) to a constitutional unit represented by Formula (II) of 5 or more, and has a total proportion of the constitutional unit represented by Formula (1) and a constitutional unit represented by Formula (4) of 55 to 100 mole percent of all siloxane constitutional units. [R.sup.1SiO.sub.3/2] (1), [R.sup.aSiO.sub.3/2] (I), [R.sup.bSiO.sub.2/2(OR.sup.c)] (II), [R.sup.1SiO.sub.2/2(OR.sup.c)] (4), where R.sup.1 represents an epoxy-containing group; R.sup.a and R.sup.b are each selected from an epoxy-containing group, substituted or unsubstituted aryl, substituted or unsubstituted aralkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, and hydrogen; and R.sup.c is selected from hydrogen and C.sub.1-C.sub.4 alkyl.
Curable composition, adhesive sheet, cured product, laminate, method for producing adhesive sheet, and device
Provided is a curable composition that can, when cured, form a cured product having adhesiveness and adhesion to an adherend at excellent levels. The curable composition contains a polyorganosilsesquioxane and one of (A) a compound represented by Formula (X); and (B) a polymerization stabilizer, where Formula (X) is expressed as follows: ##STR00001##
wherein r1 represents an integer from 4 to 20; L represents a group containing epoxy, oxetanyl or vinyl ether group; R.sup.11 and R.sup.12 each represent an optionally substituted hydrocarbon group; s1 represents an integer from 1 to 3; t1 represents an integer from 0 to 2, where s1 plus t1 equals 3; and R.sup.13 and R.sup.14 are selected from hydrogen and an optionally substituted hydrocarbon group. The polyorganosilsesquioxane has a number-average molecular weight of 1000 to 3000 and a molecular-weight dispersity of 1.0 to 3.0, includes a constitutional unit represented by Formula (1), has a ratio of a constitutional unit represented by Formula (I) to a constitutional unit represented by Formula (II) of 5 or more, and has a total proportion of the constitutional unit represented by Formula (1) and a constitutional unit represented by Formula (4) of 55 to 100 mole percent of all siloxane constitutional units. [R.sup.1SiO.sub.3/2] (1), [R.sup.aSiO.sub.3/2] (I), [R.sup.bSiO.sub.2/2(OR.sup.c)] (II), [R.sup.1SiO.sub.2/2(OR.sup.c)] (4), where R.sup.1 represents an epoxy-containing group; R.sup.a and R.sup.b are each selected from an epoxy-containing group, substituted or unsubstituted aryl, substituted or unsubstituted aralkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, and hydrogen; and R.sup.c is selected from hydrogen and C.sub.1-C.sub.4 alkyl.