Abstract: It is an object of the present invention to provide a vinyl ether group-containing (meth) acrylic ester, which has both radical polymerizability and cation polymerizability, improved in storage stability and stability in handling without impairing its polymerizability or, in other words, provide a stabilized vinyl ether group-containing (meth) acrylic ester. Another object is to provide a method of producing a stabilized vinyl ether group-containing (meth) acrylic ester composition. A further object is to provide a method of stably handing, a method of economically and stably producing and a method of purifying a vinyl ether group-containing (meth) acrylic ester.

Abstract: It is an object of the present invention to provide a vinyl ether group-containing, (meth)acrylic ester, which has both radical polymerizability and cation polymerizability, improved in storage stability and stability in handling without impairing its polymerizability or, in other words, provide a stabilized vinyl ether group-containing (meth)acrylic ester. Another object is to provide a method of producing a stabilized vinyl ether group-containing (meth)acrylic ester composition. A further object is to provide a method of stably handing, a method of economically and stably producing and a method of purifying a vinyl ether group-containing (meth)acrylic ester.

Abstract: It is an object of the present invention to provide a vinyl ether group-containing (meth)acrylic ester, which has both radical polymerizability and cation polymerizability, improved in storage stability and stability in handling without impairing its polymerizability or, in other words, provide a stabilized vinyl ether group-containing (meth)acrylic ester. Another object is to provide a method of producing a stabilized vinyl ether group-containing (meth)acrylic ester composition. A further object is to provide a method of stably handing, a method of economically and stably producing and a method of purifying a vinyl ether group-containing (meth)acrylic ester.

Abstract: It is an object of the present invention to provide a vinyl ether group-containing, (meth)acrylic ester, which has both radical polymerizability and cation polymerizability, improved in storage stability and stability in handling without impairing its polymerizability or, in other words, provide a stabilized vinyl ether group-containing (meth)acrylic ester. Another object is to provide a method of producing a stabilized vinyl ether group-containing (meth)acrylic ester composition. A further object is to provide a method of stably handing, a method of economically and stably producing and a method of purifying a vinyl ether group-containing (meth)acrylic ester.

Abstract: It is an object of the present invention to provide a compound having a (meth)acryloyl group that is suitably used in various applications, a process for producing such compound simply and under mild conditions, and an useful photo-curable composition and aqueous photo-curable composition comprising such compound.

Abstract: The present invention provides a reactive diluent composition which overcomes drawbacks of both the radical-cure and the cationic-cure reactive diluents and can be applied in a broad variety of uses such as paints, inks, adhesives, pressure sensitive adhesives, surface-modifiers, and molding materials; a curable resin composition containing the same; an activated energy ray-curable resin composition; and an activated energy ray-curable ink composition for ink-jet printing. A reactive diluent composition comprising a vinyl ether group-containing (meth)acrylic ester represented by the following general formula (1): CH2═CR1—COO—R2—O—CH═CH—R3  (1) wherein R1 represents a hydrogen atom or a methyl group; R2 represents an organic residue of 2 to 20 carbon atoms; R3 represents a hydrogen atom or an organic residue of 1 to 11 carbon atoms and a hydroxyl group-containing polymerizable compound and/or divinyl ether.

Abstract: The present invention provides a reactive diluent composition which overcomes drawbacks of both the radical-cure and the cationic-cure reactive diluents and can be applied in a broad variety of uses such as paints, inks, adhesives, pressure sensitive adhesives, surface-modifiers, and molding materials; a curable resin composition containing the same; an activated energy ray-curable resin composition; and an activated energy ray-curable ink composition for ink-jet printing.

Abstract: It is an object of the present invention to provide a compound having a (meth)acryloyl group that is suitably used in various applications, a process for producing such compound simply and under mild conditions, and an useful photo-curable composition and aqueous photo-curable composition comprising such compound.

Abstract: Economical and efficient processes for producing an &agr;, &bgr;-unsaturated carboxylic acid heterocycle-inserted ester and an &agr;,&bgr;-unsaturated carboxylic acid polyheteroalkylene ester as well as a catalyst suited for use in economically and efficiently producing an &agr;,&bgr;-unsaturated carboxylic acid ester are provided. The invention provides (1) a process for producing an &agr;,&bgr;-unsaturated carboxylic acid ester which comprises reacting an &agr;,&bgr;-unsaturated carboxylic acid ester with a heterocyclic compound, (2) a process for producing an &agr;,&bgr;-unsaturated carboxylic acid ester which comprises reacting an &agr;,&bgr;-unsaturated carboxylic acid with a heterocyclic compound in the presence of a polymerization inhibitor and a metal oxide catalyst, and (3) a catalyst for the production of an &agr;,&bgr;-unsaturated carboxylic acid ester comprising a metal oxide.

Abstract: It is an object of the present invention to provide a vinyl ether group-containing (meth)acrylic ester, which has both radical polymerizability and cation polymerizability, improved in storage stability and stability in handling without impairing its polymerizability or, in other words, provide a stabilized vinyl ether group-containing (meth)acrylic ester. Another object is to provide a method of producing a stabilized vinyl ether group-containing (meth)acrylic ester composition. A further object is to provide a method of stably handing, a method of economically and stably producing and a method of purifying a vinyl ether group-containing (meth)acrylic ester.

Abstract: Economical and efficient processes for producing an &agr;, &bgr;-unsaturated carboxylic acid heterocycle-inserted ester and an &agr;,&bgr;-unsaturated carboxylic acid polyheteroalkylene ester as well as a catalyst suited for use in economically and efficiently producing an &agr;,&bgr;-unsaturated carboxylic acid ester are provided.

Abstract: A novel acrylic ester which is represented by general formula (2) ##STR1## wherein R.sub.1 and R.sub.2 independently represent a hydrogen atom or an organic residue, R.sub.3 represents an organic residue, n is a positive number among 1 to 3, and m is a positive number among 1 to 100 and which is applicable to various uses, is obtained by reacting an acrylic ester of general formula (3) ##STR2## wherein R.sub.1 represents a hydrogen atom or an organic residue, and R.sub.3 represents an organic residue, with a cyclic ether compound of general formula (4) ##STR3## wherein R.sub.2 represents a hydrogen atom or an organic residue, and n is a positive number among 1 to 3. Moreover, a novel acrylic acid derivative whose use is even wider is obtained by hydrolyzing the acrylic acid derivative.

Abstract: An acrylic ester derivative expressed by Formula (1) below is produced by reacting an acrylic ester expressed by Formula (2) below with a saccharide containing a hemiacetal hydroxyl group expressed by Formula (3) below and/or an alkylglycoside expressed by Formula (4) below: ##STR1## where R.sub.1 represents a hydrogen atom or organic residue, R.sub.2 represents a hydrogen atom, counter ion, or organic residue, and G represents a saccharic residue; ##STR2## where R.sub.1 represents a hydrogen atom or organic residue and R.sub.2 represents a hydrogen atom, a counter ion, or organic residue;G--H (3)where G represents a saccharic residue; andG--R.sub.3 (4)where G represents a saccharic residue and R.sub.3 represents an organic residue. An acrylic-ester-based polymer is produced by letting a monomeric component containing such an acrylic ester derivative undergo polymerization.