Daicel Chemical Industries, Ltd.

Tomohisa Isobe

Takaaki Fujiwa

Toshio Endo

Kazushi Watanabe

Shoji Watanabe

Yoshiyuki Harano

Shin Takemoto

Takaaki Murai

Takuya Miho

Yoshiyuki Ikemoto

Hiroshi Sagane

Kimio Inoue

Naoki Nakashima

Akira Yamamoto

Kiyoshi Okitsu

Koichi Okumura

Katsuya Maruo

Susumu Funato

Yosuke Sagami

A polyurethane resin obtained from a diisocyanate compound and a polyester polyol. The polyester polyol may (1) comprise not less than 50% by weight of a polyester glycol having a molecular weight of 500-5,000, the polyester glycol being obtained by reacting an acid and 3,3,5-trimethyl-1,6-hexanediol or 2,2,4-trimethyl-1,6-hexanediol and have a molecular weight of 500-5,000, (2) have a number average molecular weight of 500-5,000 and an alcohol hydroxyl group at terminals thereof and comprise not less than 50% by weight of ester units, the ester units being derived from a dicarboxylic acid and 3,3,5-trimethyl-1,6-hexanediol and/or 2,2,4-trimethyl-1,6-hexanediol, or (3) have a number-average molecular weight of 500-5,000 and comprise not less than 50% by weight of ester units of an aliphatic dicarboxylic acid and trimethyl-1,6-hexanediols. The above polyurethane resins may be combined with chlorinated polyolefin and then used in binder compositions or, alternately used in coating compositions for decoration paper made of a polyolefin resin. The above polyurethane resins may also be laminated on at least one surface of a woven cloth made of synthetic resin to form a laminated clothing that may further be used in an air bag for a vehicle.

Binder composition and coating composition for decorative paper both based on polyurethane resin, and laminated cloth and air bag both having coating of the same

Novel polyester compounds having a benzotriazole group of the invention are obtained by a ring-opening addition-polymerisation of lactones with the alcoholic hydroxyl group of 3-(5-chloro-2H-benzotriazol-2-yl)-5-(1,1-dimethyl-ethyl)-4-hydroxy-benzene -propanol, 3-(2H-benzotriazol-2-yl)-4-hydroxy-benzene-ethanol, 3-(5-methyl-2H-benzotriazol-2-yl)-5-(1-methyl-ethyl)-4-hydroxy-benzene-pro panolbis[3-(2H-benzotriazol-2-yl)-4-hydroxy-benzene-ethanol]methane or the like. These compounds are used as ultraviolet-rays absorbents for thermoplastic resins. The resulting resin composition has an excellent light resistance and chemical resistance.

Compound, a process for the preparation thereof, and a resin composition

A novel lactone-modified polyvinyl acetal resin and a novel carboxyl-modified resin thereof are disclosed. The novel resins of the present invention can be used as a polyol resin for coatings curable at ordinary temperatures or heating, adhesives, binders, a processing agent for fibers, a curable resin composition by mixing with a curing agent which can react to hydroxyl groups, and a composition for a magnetic recording medium, etc. The novel resins of the present invention have graft chains containing primary hydroxyl groups bonded to the ester group derived from a lactone compound, or the primary hydroxyl groups and carboxylic groups.

Curable resin composition which comprises a lactone-modified polyvinyl

Disclosed are a novel lactone-modified diketene (meth)acrylate compound having an active methylene group in the molecule and a process for the preparation thereof. The novel lactone-modified diketene (meth)acrylate compound of the present invention can be preferably used as resins for coatings, adhesives, inks, photosensitive materials for photographs, dispersants for pigments, agents for processing fibers, and modifiers for rubbers. Furthermore, disclosed is a novel (co)polymer which comprises the novel lactone-modified diketene (meth)acrylate compound and, optionally, a polymerizable monomer having an ethylenically unsaturated double bond. Still further, disclosed is a curable composition which comprises a lactone-modified diketene (meth)acrylate compound and at least one selected from the group consisting of a melamine, an isocyanate, and aldehyde, and an amine.

Lactone-modified diketene (meth)acrylate compound, a process for the

Disclosed are a lactone-modified polyvinyl alcohol and a process for the preparation thereof, a polymer composition, a permanently anti-electrostatic resin composition, a lactone-modified resin having hydroxyl groups, and a process for the preparation thereof. The lactone-modified polyvinyl alcohol can be used in wide fields owing to the capability of freely adjusting the water solubility, such as water-soluble, gradually water-soluble, low water-soluble, and water-insoluble by a degree modified by lactone compounds, and owing to possessing properties both of PVA and lactones. Furthermore, the lactone-modified polyvinyl alcohol has properties such as being plasticizers or softening agents, and as a result, there can be provided a polymer composition having excellent properties by mixing with a hydrophilic polymer or polar polymer. Still further, a blend resin composition in which a variety of resins are blended with the lactone-modified polyvinyl alcohol has an excellent permanently-anti-electrostatic property, and the resin composition having a permanently-anti-electrostatic property can be preferably employed as a variety of molded articles such as parts for electric appliances, textiles, films, etc.

Lacton-modified polyvinyl alcohol and permanently anti-static resin

Disclosed are a novel lactone-modified diketene (meth)acrylate compound having an active methylene group in the molecule and a process for the preparation thereof. The novel lactone-modified diketene(meth)acrylate compound of the present invention can be preferably used as resins for coatings, adhesives, inks, photosensitive materials for photographs, dispersants for pigments, agents for processing fibers, and modifiers for rubbers. Furthermore, disclosed is a novel (co)polymer which comprises the novel lactone-modified diketene(meth)acrylate compound and, optionally, a polymerizable monomer having an ethylenically unsaturated double bond. Still further, disclosed is a curable composition which comprises a lactone-modified diketene(meth)acrylate compound and at least one selected from the group consisting of a melamine, an isocyanate, and aldehyde, and an amine.

Lactone-modified diketene(meth)acrylate compound, a process for the

Disclosed are a lactone-modified polyvinyl alcohol and a process for the preparation thereof, a polymer composition, a permanently anti-electrostatic resin composition, a lactone-modified resin having hydroxyl groups, and a process for the preparation thereof. The lactone-modified polyvinyl alcohol can be used in wide fields owing to capability of freely adjusting a water solubility such as water-soluble, gradually water-soluble, low water-soluble, and water-insoluble by a degree modified by lactone compounds, and owing to possessing both properties in PVA and lactones. Furthermore, the lactone-modified polyvinyl alcohol has a property as plasticizers or softening agents, as a result, there can be provided a polymer composition having an excellent property by mixing with hydrophilic polymer or polar polymer. Still further, a blend resin composition in which a variety of resins are blended with the lactone-modified polyvinyl alcohol has an excellent permanently-anti-electrostatic property, and the resin composition having a permanently-anti-electrostatic property can be preferably employed as a variety of molded articles such as parts for electric appliances, textiles, films, etc.

Lactone-modified polyvinyl alcohol, a process for the preparation thereof

Lactone-modified polyvinyl acetal resin and process for the preparation

The present invention provides a composition represented by the formula ##STR1## (wherein x is an integer of 3 to 7, y is an integer of 0 to 50, and R.sub.a and R.sub.b are H, methyl group, or propyl group and each of the R.sub.a and R.sub.b groups may be replaced with any of the other groups simultaneously) and useful as a raw material or modifier for resins for use in coating compositions, adhesives, epoxy resins, and the like, and further provides a process for producing a composition comprising compounds represented by the above formula (I) which process is characterized in that a compound represented by the formula ##STR2## is reacted with a lactone at 30.degree. to 20.degree. C. or compounds represented by the formula ##STR3## (wherein x, y, R.sub.a, and R.sub.b have the meanings as defined above) are epoxidized at 0.degree. to 80.degree. C. using a peroxide.

Process for producing a composition comprising epoxy compounds having

The present invention provides a composition represented by the formula ##STR1## (wherein x is an integer of 3 to 7, y is an integer of 0 to 50, and R.sub.a and R.sub.b are H, methyl group, or propyl group and each of the R.sub.a and R.sub.b groups may be replaced with any of the other groups simultaneously) and useful as a raw material or modifier for resins for use in coating compositions, adhesives, epoxy resins, and the like, and further provides a process for producing a composition comprising compounds represented by the above formula (I) which process is characterized in that a compound represented by the formula ##STR2## is reacted with a lactone at 30 to 20.degree. C. or compounds represented by the formula ##STR3## (wherein x, y, R.sub.a, and R.sub.b have the meanings as defined above) are epoxidized at 0 to 80.degree. C. using a peroxide.

Process for producing a composition comprising an epoxy compound having

A composition comprising a lactone-modified alicyclic compound (I), or an epoxidized lactone-modified alicyclic compound (II) of the following formulae: ##STR1## wherein R is an alkyl group, an aromatic group or an alkenyl group having carbon number of from 1 to 30, Y.sup.1 is at least one of the structural groups; ##STR2## Y.sup.2 is at least one of the structural group; ##STR3## X is the structural group; ##STR4## and R.sup.a and R.sup.b each independently is hydrogen or a methyl group, c and c' represent a number of from 4 to 8, from n1 to nL represents 0 or a number of more than 0, respectively, and n1+n2+n3+ . . . +nL corresponds to the total mole numbers of a lactone introduced into one molecule. These compositions can be made into a heat-curable composition, a photo-curable composition, a polymerizable composition and another photo-curable composition.

Lactone-modified alicyclic composition and an epoxidized composition

A composition comprising a lactone-modified alicyclic compound (I), or an epoxidized lactone-modified alicyclic compound (II) of the following formulae: ##STR1## wherein R is an alkyl group, an aromatic group or an alkenyl group having carbon number of from 1 to 30, Y.sup.1 is at least one of the structural groups; ##STR2## Y.sup.2 is at least one of the structural group; ##STR3## X is the structural group; ##STR4## R.sup.a and R.sup.b each independently is hydrogen or a methyl group, c and c' represent a number of from 4 to 8, from n1 to nL represents 0 or a number of more than 0, respectively, and n1+n2+n3+. . . +nL corresponds to the total mole numbers of a lactone introduced into one molecule. These compositions can be made into a heat-curable composition, a photo-curable composition, a polymerizable composition and another photo-curable composition.

A composition comprising a lactone-modified alicyclic compound (I), or an epoxidized lactone-modified alicyclic compound (II) of the following formulae: ##STR1## wherein R is an alkyl group, an aromatic group or an alkenyl group having carbon number of from 1 to 30, Y.sup.1 is at least one of the structural groups; ##STR2## Y.sup.2 is at least one of the structural group; ##STR3## X is the structural group; ##STR4## R.sup.4 and R.sup.b each independently is hydrogen or a methyl group, c and c' represent a number of from 4 to 8, from n1 to nL represents 0 or a number of more than 0, respectively, and n1+n2+n3+. . . +nL corresponds to the total mole numbers of a lactone introduced into one molecule. These compositions can be made into a heat-curable composition, a photo-curable composition, a polymerizable composition and another photo-curable composition.

Composition comprising epoxy compounds having hydroxyl group and process

A process for producing a lactone polymer which comprises reacting an ester compound synthesized from an alcohol and an acid or acid anhydride thereof with a lactone and a ring-opening polymerization initiator without being accompanied by condensation. The thus produced lactone polymer is effective for preventing shrinkage of thermosetting resins, particularly unsaturated polyester resins.

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Iwakuni, Japan

Tomohisa Isobe