Daicel Chemical Industries, Ltd.

Takaaki Murai

Shoji Watanabe

Kimio Inoue

Tatsumi Fujii

Ryuta Miyake

Tomohisa Isobe

Yoshiyuki Harano

Takuya Miho

Yoshiyuki Ikemoto

Naoki Nakashima

Sozo Namai

Toshio Endo

Kiyoshi Okitsu

Toyokazu Yagii

Katsuhisa Sakai

Katsuyuki Maeda

Katsuyki Maeda

A barrier composite film comprises a base film, an anchor coat layer, an inorganic layer such as a silicon oxide layer, and a coating layer containing a silane coupling agent and a barrier resin (e.g. a vinylidene chloride-series copolymer, an ethylene-vinyl alcohol copolymer), the layers being formed on at least one side of the base film in the order of reference. The anchor coat layer can be made of (A) a chlorine-containing resin such as a vinyl chloride-vinyl acetate copolymer, (B) a polyisocyanate compound, and (C) a saturated polyester resin having a glass transition temperature of -10.degree. C. to 20.degree. C. and being substantially unreactive to the component (B). A heat-sealing layer may be formed on the surface of the coating layer or the other side of the base film. This composite film provided with the inorganic layer can avoid a loss of its adhesive properties and barrier properties even under severe conditions such as retort treatment.

Barrier composite films and a method for producing the same

Barrier composite films and method of producing the same

Compositions (I), (II) and (III) comprising compounds having vinyl groups as side chains and epoxidized compositions (XI), (XII) and (XIII) thereof, which can be prepared by the various reaction combinations of (a) with (b) or (b)+(c), and or (d), where

Compositions, epoxized compositions, a heat curable resin composition,

Compositions(I), (II) and (III) comprising compounds having vinyl groups as side chains and epoxidized compositions(XI), (XII) and (XIII) thereof, which can be prepared by the various reaction combinations of (a) with (b) or (b)+(c), and or (d), where (a) is at least one compound having at least one vinyl group and one epoxy group in the molecule; (b) is at least one of a polybasic compound, an anhydride thereof, a polymer having carboxylic groups at terminals and a polymer having carboxylic groups as side chains; (c) is at least one organic compound having at least one active hydrogen atom; and (d) is at least one of an unsaturated monocarboxylic compound or an unsaturated monocarboxylic ester having a hydroxyl group.

A polycarbonate polyol composition which can be used to prepare polycarbonate(meth)acrylate and urethane(meth)acrylate compositions is obtained by the ester interchange reaction of a polycarbonate diol composition with a triol and/or tetraol. The (meth)acrylate compositions have excellent photo and electron beam curability and the cured layers prepared therefrom have excellent heat resistance under moisture conditions.

Polycarbonate-polyol composition and polycarbonate(meth) acrylate

A polycarbonatediol composition is disclosed having carbonate bonds and from about 1 to 40 ether bonds to one carbonate bond in a molecule, which can provide polyurethanes having high mechanical strength and heat and moisture resistibility, and furthermore having improved properties at low temperatures.

Polycarbonatediol composition and polyurethane resin

A polycarbonatediol composition is disclosed having the property of being liquid at room temperature because of its crystallinity being disordered due to random structures, which comprises a mixture of 1,6-hexanediol and polyvalent alcohol having at least one side chain. Accordingly, the disclosed composition has excellent processability in the case of preparing a polyurethane resin, etc. Further disclosed is a polyurethane resin prepared by reaction of an organic diisocyanate compound with the polycarbonatediol composition. The polyurethane resin has excellent properties under low temperature conditions, while retaining high levels of mechanical strength, excellent resistibility under high heat and moisture conditions, etc., thereby maintaining a good balance of properties. The polyurethane resin in accordance with the present invention, is useful in a very wide variety of forms, including spandex, rigid or flexible urethane foams, thermoplastic urethane elastomers and thermosetting urethane elastomers, adhesives, synthetic leather, and paints, etc.

Disclosed as a polyether compound having ether groups and vinyl double bonds represented by formula (I) ##STR1## and an epoxy resin represented by formula (II) ##STR2## wherein R.sup.1 represents a residue group of an organic compound having l active hydrogen atoms, n1 through nl each represents 0 or an integer of from 1 to 100, the sum of integers represented by n1 through nl is from 1 to 100, and l represents an integer of from 1 to 100, and A represents from 1 to 100, and A represents ##STR3## or a mixture of ##STR4## wherein R.sup.2 represents a residue group of mono epoxy compound, and B represents ##STR5## or a mixture of ##STR6## wherein X represents a ##STR7## group, wherein R.sup.3 represents a hydrogen atom, an alkyl group, an alkyl carbonyl group, or an arylcarbonyl group, provided that the epoxy resin represented by formula (II) contains at least one ##STR8## group: In a further aspect, the invention relates to processes for production thereof.

Polyether compounds, epoxy resins and processes for production thereof

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.

Process for producing lactone polymer and an anti-shrinking

A polyether compound having ether groups and vinyl double bonds represented by formula (I) ##STR1## wherein R.sub.1 represents a residue of an organic compound having l active hydrogen atoms, n.sub.1 through n.sub.l each represents 0 or an integer of from 1 to 100, the sum of the integers represented by n.sub.1 through n.sub.l is from 1 to 100, and

Polyether compounds, epoxy resins, epoxy resin compositions, and

A lactone-modified epoxy (meth)acrylate resin is disclosed as is a hardenable resin composition which includes the lactone-modified epoxy resin. The lactone-modified epoxy (meth)acrylate resin is obtained by addition polymerizing 3 to 95 parts by weight of a lactone to 97 to 5 parts by weight of an epoxy (meth)acrylate resin at the whole or a part of the secondary hydroxy groups thereof. The hardenable resin composition comprises (A) 5 to 95 parts by weight of the above referred to lactone-modified epoxy (meth)acrylate resin, (B) 95 to 5 parts by weight of a vinyl compound having an ethylenically unsaturated bond, and (C) 0 to 10 parts by weight of a photosensitizer.

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Hiroshima, Japan

Takaaki Murai