Abstract: Present invention is a resin composition obtained by reacting polyolefin (A) with a (co)polymer (B) prepared from a copolymerizable monomer mixture (C) comprising an &agr;,&bgr;-monoethylenically unsaturated monomer and other copolymerizable monomers in a weight ratio (A)/(B)=1/9-9/1 under radical generation in an organic solvent, or by polymerizing a copolymerizable monomer mixture (C) comprising an &agr;,&bgr;-monoethylenically unsaturated monomer and other copolymerizable monomers in the presence of polyolefin (A) in a weight ratio (A)/(C)=1/9-9/1 in an organic solvent and successively by reacting the obtained reaction mass under radical generation; and the resin composition has good solution stability, does not cause liquid phase separation or solid precipitation, can be used as intact, is excellent in sprayability at high concentration, and, specifically, has novel function and effect that adhesion to polyolefin molded articles is excellent; and the resin composition can be favorably used f

Abstract: Provided is an optical recording medium comprising at least a recording layer, a metal reflective layer, a protective layer and a printing layer laminated on a transparent substrate, wherein the printing layer is obtained by curing a UV-curing ink composition and said ink composition contains a compound which has a solubility parameter falling in the range of 7 to 10 and which takes no part in UV curing and does not react with other components contained therein.

Abstract: There is disclosed a resin composition for powder coatings, which comprises a blend of two acrylic resins obtained by polymerizing a prescribed amount of monomer component (a-1) represented by formula (I) and a prescribed amount of another monomer component (a-2), respectively, and having different polymerization degrees represented by viscosities at 140.degree. C. and a polybasic acid compound in 1.5 to 0.5 equivalent ratio of the glycidyl groups in said acrylic resins to the acid groups in the polybasic acid compound. ##STR1## wherein R.sub.1 and R.sub.2 each represent a hydrogen atom or a lower alkyl group. The resin composition for powder coatings that can form a coating film having a mat smooth appearance and being excellent in flexibility as shown by Du Pont impact resistance and the Ericksen test as well as being excellent in nail scratch resistance.

Abstract: A resin composition for thermosetting coating, which comprises(a.sub.1) an acrylic copolymer having a particular acid value and/or (a.sub.2) an acrylic copolymer having a particular acid value and a particular hydroxyl value,(b) an acrylic copolymer having a particular epoxy equivalent,(c) a monobasic acid having a dissociation constant (pKa) of 3 or less, and, as necessary,(d) an amino resin and(e) a quaternary phosphoium salt,and wherein the equivalent ratio of the acid groups of (a.sub.1) and/or (a.sub.2) and the epoxy groups of (b) is 1:0.5 to 0.5:1 and the amounts of (c), (d) and (e) are 0.01-5 parts by weight, 1-25 parts by weight and 0.01-3 parts by weight, respectively, per 100 parts by weight of the total of (a.sub.1) and/or (a.sub.2) and (b).The resin composition, when used as a clear coating for automobiles, is superior in film appearance, acid resistance, solvent resistance water resistance, weatherability, storage stability and low temperature curing.

Abstract: Herein disclosed are an .alpha.-(aminocyclohexyl)alkylamine represented by the following general formula (II): ##STR1## wherein R represents hydrogen atom or a lower alkyl group having 1 to 5 carbon atoms, provided that the amino group bonded to the cyclohexyl group may be in either of the 2-, 3- and 4-positions and a method for preparing it; an .alpha.-(isocyanatocyclohexyl)alkylisocyanate of Formula (II) wherein the amino groups are replaced with isocyanato groups and a method for preparing it; polyisocyanato-isocyanurate represented by the following general formula (IV): ##STR2## wherein R.sub.1, R.sub.2 and R.sub.

Abstract: A resin composition for powder coatings that comprises a composition (A) and a blocked polyisocyanate compound (B), the composition (A) being based on both a carboxyl group containing polyester resin having a hydroxyl value of 10 to 100 and a softening point of 50.degree. to 150.degree. C. and a glycidyl group containing acrylic resin having a hydroxyl value of 30 to 150 and a softening point of 50.degree. to 150.degree. C., and further containing a copolymer prepared by reaction between said polyester and acrylic resins. This resin composition is capable of providing an ideal paint film that possesses the features of a paint film prepared from polyester resins (high degrees of smoothness, gloss and strength) and those of a paint film prepared from acrylic resins (high levels of hardness, stain resistance and weatherability).

Abstract: A composition for thermosetting powder coating, which comprises(a) an acrylic copolymer of high softening point having an epoxy equivalent of 250-1,000 g/eq and a softening point of 90.degree.-160.degree. C.,(b) an acrylic copolymer of low softening point having an epoxy equivalent of 200-600 g/eq and a softening point of 30.degree.-70.degree. C.,(c) a polycarboxylic acid, and(d) optionally, a phosphoric acid ester compound and/or a phosphorous acid ester compound,and wherein the difference in softening point between (a) and (b) is 60.degree.-120.degree. C., the weight ratio of (a)/(b) is 95/5 to 60/40, and the equivalent ratio of [the total epoxy groups of (a) and (b)] : [the acid group of (c)] is 0.5:1 to 1:0.5.Said composition has excellent storage stability and, when used as a coating for automobiles, gives a film superior in appearance, solvent resistance and acid resistance.

Abstract: Herein disclosed are an .alpha.-(aminocyclohexyl)alkylamine represented by the following general formula (II): ##STR1##wherein R represents hydrogen atom or a lower alkyl group having 1 to 5 carbon atoms, provided that the amino group bonded to the cyclohexyl group may be in either of the 2-, 3- and 4-positions and a method for preparing it; an .alpha.-(isocyanatocyclohexyl)alkylisocyanate of Formula (II) wherein the amino groups are replaced with isocyanato groups and a method for preparing it; polyisocyanato-isocyanurate represented by the following general formula (IV): ##STR2##wherein R.sub.1, R.sub.2 and R.sub.

Abstract: There is disclosed a resin composition for powder coatings, which comprises a blend of two acrylic resins obtained by polymerizing a prescribed amount of monomer component (a-1) represented by formula (I) and a prescribed amount of another monomer component (a-2), respectively, and having different polymerization degrees represented by viscosities at 140.degree. C. and a polybasic acid compound in 1.5 to 0.5 equivalent ratio of the glycidyl groups in said acrylic resins to the acid groups in the polybasic acid compound. ##STR1## wherein R.sub.1 and R.sub.2 each represent a hydrogen atom or a lower alkyl group. The resin composition for powder coatings can form a coating film having a mat smooth appearance and being excellent in flexibility as shown by Du Pont impact resistance and the Ericksen test as well as being excellent in nail scratch resistance.

Abstract: Polyisocyanato-isocyanurate and mixture of the same obtained by trimerizing straight chain aliphatic diisocyanate represented by the formula:OCN--R.sub.4 --NCOwherein R.sub.4 is an alkylene group having 2-12 carbon atoms and polycyclo-aliphatic diisocyanate represented by the formula: ##STR1## wherein k is an integer of 0 to 2, j and m are integers of 1 to 5, and h is an integer of 0 to 2; powder-paint curing agent which contains blocked isocyanate obtained by reacting the above raw materials with a blocking agent having at least one active hydrogen in a molecule; non-yellowing urathane paint resin prepared from the above raw materials and compound having at least two active hydrogen in a molecule; and paint composition comprising the curing agent and the resin; is disclosed.

Abstract: Herein disclosed are an .alpha.-(aminocyclohexyl)alkylamine represented by the following general formula (II): ##STR1## wherein R represents hydrogen atom or a lower alkyl group having 1 to 5 carbon atoms, provided that the amino group bonded to the cyclohexyl group may be in either of the 2-, 3- and 4-positions and a method for preparing it; an .alpha.-(isocyanatocyclohexyl)alkylisocyanate of Formula (II) wherein the amino groups are replaced with isocyanato groups and a method for preparing it; polyisocyanato-isocyanurate represented by the following general formula (IV): ##STR2## wherein R.sub.1, R.sub.2 and R.sub.

Abstract: Herein disclosed are a polyisocyanato-isocyanurate represented by the following formula (I): ##STR1## wherein n is an integer ranging 1 to 5 and R.sub.1, R.sub.2 and R.sub.3 may be the same or different and each represents hydrogen atom or a lower alkyl group and a method for preparing it; and a resin containing an organic polyisocyanate containing not lower than 10% by weight of the polyisocyanato-isocyanurate represented by Formula (I) and a compound having at least two active hydrogen atoms as well as a resin composition for coating materials which comprises the resin.

Abstract: Herein disclosed are a polyisocyanato-isocyanurate represented by the following formula (I): ##STR1## wherein n is an integer ranging 1 to 5 and R.sub.1, R.sub.2 and R.sub.3, may be the same or different and each represents hydrogen atom or a lower alkyl group and a method for preparing it; and a resin containing an organic polyisocyanate containing not lower than 10% by weight of the polyisocyanato-isocyanurate represented by Formula (I) and a compound having at least two active hydrogen atoms as well as a resin composition for coating materials which comprises the resin.

Abstract: A chipping-resistant coating resin composition having an active-hydrogen containing compound and a blocked isocyanate. The active-hydrogen containing compound is composed of(a) 100 parts by weight of a polyol (A) and(b) from 1 to about 30 parts by weight of a polyamine (B) and(2) The blocked isocyanate (C) contains from about 1 to about 15 percent by weight of effective isocyanate groups, and is contained in a proportion wherein the equivalent ratio of the sum of the hydroxyl groups in the polyol (A) and the primary and/or secondary amino groups in the polyamine (B) to the effective isocyanate groups in the blocked isocyanate (C), that is, {(A)+(B)}:(C) is in the range of from about 50:100 to about 100:50, is disclosed.A chipping-resistant coating compound composition containing, in addition to the above chipping-resistant coating resin composition, pigments, catalysts and/or stabilizers, is also disclosed.Further, a process for forming coating films having a thickness of about 100 .mu.

Abstract: A methyl methacrylate syrup composition comprises an intimate mixture of 1-99 parts by weight of a first polymer-in-monomer syrup (A) and 99-1 parts by weight of a second polymer-in-monomer syrup (B), wherein said syrups (A) and (B) are as follows:(A) a polymer-in-monomer syrup obtained by copolymerizing a mixture of methyl methacrylate monomer, one or more monomers having reactivity with glycidyl groups and containing at least one ethylenically-unsaturated bond, and one or more monomers not having reactivity with glycidyl groups and containing at least one ethylenically-unsaturated bond;(B) a polymer-in-monomer syrup obtained by dissolving a copolymer obtained by copolymerizing one or more monomers containing at least one glycidyl group and one or more monomers copolymerizable with glycidyl-containing monomers, having a number average molecular weight of 1,500-50,000 and containing glycidyl groups, in a mixture of monomers comprising one or more monomers selected from the group consisting of methyl methacryl

Abstract: A methyl methacrylate syrup composition comprises an intimate mixture of 1-99 parts by weight of a first polymer-in-monomer syrup (A) and 99-1 parts by weight of a second polymer-in-monomer syrup which can be either (B.sub.1) or (B.sub.2), wherein the syrups (A), (B.sub.1) and (B.sub.2) are as follows:(A) a polymer-in-monomer syrup obtained by copolymerizing a mixture of methyl methacrylate monomer, one or more monomers having reactivity with glycidyl groups and containing at least one ethylenically-unsaturated bond, and one or more of (meth)acrylates, styrene and styrene derivatives;(B.sub.1) a polymer-in-monomer syrup obtained by copolymerizing a mixture of one or more monomers containing at least one glycidyl group and at least one ethylenically-unsaturated bond, and one or more monomers selected from the group consisting of methyl methacrylate, (meth)acrylates, styrene and styrene derivatives;(B.sub.