摘要:
Disclosed is a water-developable photosensitive resin composition capable of hot melt molding, which comprises:(i) a water soluble or water dispersible polyvinyl alcohol prepared by saponifying a copolymer of a vinyl ester and another copolymerizable monomer, which has a saponification degree of the vinyl ester unit of 50 to 70 mol % and a hot melt flow starting temperature of 60.degree. to 130.degree. C.,(ii) a polymerizable monomer, and(iii) a photopolymerization initiator.
摘要:
Disclosed is a water-developable photosensitive resin composition capable of hot melt molding, which comprises:(i) a water soluble or water dispersible polyvinyl alcohol prepared by saponifying a copolymer which is obtained from copolymerizing 0 to 20 mol % of a monomer not having an ionic group (hereinafter referred to as "nonionic monomer"), 0 to 10 mol % of an ionic group-containing monomer (hereinafter referred to as "ionic monomer") and the remaining amount of a vinyl ester in the presence of a thiolic acid wherein the total content of the ionic monomer and nonionic monomer is 0.1 to 20 mol %; said polyvinyl alcohol having a terminal mercapto group, a saponification degree of the vinyl ester unit of 50 to 70 mol %, and a hot melt flow starting temperature of 60.degree. to 130.degree. C.(ii) a polymerizable monomer, and(iii) a photopolymerization initiator.
摘要:
Disclosed is a water developable photosensitive resin composition suitable for a printing plate, which has excellent dimensional stability and excellent chemical and physical properties. The photosensitive resin composition comprises;(A) an acrylic resin of which glass transition temperature (T.sub.g), as defined by ##EQU1## [wherein T.sub.g1, T.sub.g2, . . . represents a glass transition temperature of a homopolymer prepared from each monomer, T.sub.g0 represents a glass transition temperature of a copolymer and W.sub.1, W.sub.2, . . . shows a weight fraction of each monomer.] and acid value (AV) satisfy the following relations;60.degree. C..ltoreq.T.sub.g .ltoreq.125.degree. C.80 mg KOH/g.ltoreq.AV.ltoreq.130 mg KOH/g, andT.sub.g -10.ltoreq.AV.ltoreq.T.sub.g +40(B) a basic nitrogen atom-containing compound(C) an ethylenically unsaturated monomer, and(D) a photopolymerization initiator.
摘要:
An acetylide-form propargyl-containing resin composition for cationic electrocoating, which comprises a resin having a skeleton of epoxy resin and has a number average molecular weight of 500 to 20,000, and which contains, per 100 grams of the resin composition solids, 5 to 400 millimoles of sulfonium group and 10 to 495 millimoles of propargyl group, the total content of the sulfonium and propargyl groups being not more than 500 millimoles per 100 grams of the resin composition solids, said propargyl group being partly in the form of an acetylide. This resin composition may further contain unsaturated double bond.
摘要:
An aliphatic hydrocarbon group-containing resin composition for cationic electrocoating, which comprises a resin having a skeleton of epoxy resin and has a number average molecular weight of 500 to 20,000, and which contains, per 100 grams of the nonvolatile matter in said resin composition, (a) 5 to 400 millimoles of sulfonium group, (b) 80 to 355 millimoles of at least one aliphatic hydrocarbon group containing 8 to 24 carbon atoms and optionally containing unsaturated double bond within its chain, and (c) 10 to 315 millimoles of at least one member selected from among propargyl group and a terminal unsaturated double bond-containing organic group containing 3 to 7 carbon atoms; the total content of said (a), said (b) and said (c) being not more than 500 millimoles per 100 grams of the nonvolatile matter in said resin composition.
摘要:
In view of the above-discussed state of the art, it is an object of the present invention to provide a method of adhesion of conductive materials which uses a water-based ecofriendly adhesive and can give uniform adhesive layers capable of leading to constant and high levels of adhesion strength and excellent in insulating properties even in the case of molded articles and the like. A method of adhesion of conductive materials comprising the step (1) of forming an adhesive surface having an adhesive resin layer on a conductive material by an electrodeposition step with an adhesive composition and the step (2) of joining an adherend surface of an adhesion target to the adhesive surface having the adhesive resin layer obtained in the step (1), wherein the adhesive composition comprises a hydratable functional group- and unsaturated bond-containing cationic resin composition.
摘要:
An acetylide-form propargyl-containing resin composition for cationic electrocoating, which comprises a resin having a skeleton of epoxy resin and has a number average molecular weight of 500 to 20,000, and which contains, per 100 grams of the resin composition solids, 5 to 400 millimoles of sulfonium group and 10 to 495 millimoles of propargyl group, the total content of the sulfonium and propargyl groups being not more than 500 millimoles per 100 grams of the resin composition solids, said propargyl group being partly in the form of an acetylide. This resin composition may further contain unsaturated double bonds.
摘要:
It is an object of the present invention to provide a method of coating an electric wire by which an insulated wire having a high dielectric breakdown voltage can be obtained. A method of coating an electric wire, comprising a step (I) of forming a first insulating film by cationic electrode-position using a cationic electrocoating, and a step (I I) of forming a second insulating film on the first insulating film formed in the step (I) using an insulating coating, said cationic electrocoating containing a resin composition of which a hydratable functional group is reduced directly by an electron and passivated, resulting in deposition of a film
摘要:
The present invention has for its object to provide a basic cationic electrodeposition coating composition with does not detract from either storage stability or bath stability even though it is basic and which does not make the coating equipment such as the electrodeposition tank and associated piping corroded, and a method for producing it. The present invention is directed to a basic cationic electrodeposition coating composition having a hydrogen ion concentration within the range of 7.5 to 12.0 in terms of hydrogen ion exponent (pH), and a method for producing it.
摘要:
A method of stabilization of electrolyte bath in electrocoating by immersing a substrate in the bath filled with a cationic electrocoating composition containing a basic resin and an amine compound and carrying out electrocoating; wherein said basic resin in said bath contains, per 100 grams of the resin solids, 10 to 300 millimoles of sulfonium group and 50 to 2,000 millimoles of carbon—carbon unsaturated bond, and said amine compound is contained in an amount of 1 to 50 millimoles per 100 grams of the basic resin solids in the bath, said amount being not less than 5 mole percent relative to the sulfonium group content in said basic resin, so that the sulfonium group remaining in the coat amount to not more than 50% relative to the sulfonium group contained in the electrocoating composition in said bath.