Patent classifications
C08F290/04
Photocurable resin composition, fuel cell, and sealing method
The present invention has an object to provide a photocurable resin composition which exhibits excellent surface curability and deep section curability when irradiated with active energy rays such as ultraviolet rays while maintaining sealability. Specifically, provided is a photocurable resin composition containing the following (A) to (C) ingredients: (A) ingredient: a polymer having a polyisobutylene backbone containing a [CH.sub.2C(CH.sub.3).sub.2] unit, the polymer having one or more (meth)acryloyl groups; (B) ingredient: a photo-radical polymerization initiator; and (C) ingredient: a triarylphosphine derivative or a xanthone derivative.
Actinic Radiation Curable Polymeric Mixtures, Cured Polymeric Mixtures And Related Processes
The present disclosure is directed to actinic radiation curable polymeric mixtures, cured polymeric mixtures, tires and tire components made from the foregoing, and related processes.
CURABLE RESIN COMPOSITION, FUEL CELL USING SAME, AND SEALING METHOD USING SAME
The present invention aims to provide a curable resin composition from which a cured product having high tensile strength and high extensibility can be obtained. A resin composition includes the following ingredients (A) to (C): ingredient (A): a polymer which has one or more (meth)acryloyl groups and has a polyisobutylene skeleton containing a [CH.sub.2C(CH.sub.3).sub.2] unit; ingredient (B): a radical polymerization initiator; and ingredient (C): a monomer (c1) which has an alicyclic structure containing a (meth)acryloyl group and a substituent of a hydrocarbon group having 2 to 20 carbon atoms or a monomer (c2) which has a (meth)acryloyl group and a dicyclopentenyl group or adamantyl group.
COMPOSITION FOR OPTICAL STEREOLITHOGRAPHY, STEREOLITHOGRAPHIC OBJECT, AND METHOD FOR PRODUCING THE SAME
Provided is a composition for optical stereolithography the stereolithography (photocuring) of which is completed in a shorter time and which provides a stereolithographic object having excellent strength (strength that prevents the occurrence of a fracture and the like when the stereolithographic object is subjected to an impact, or dropping, and strength with which the stereolithographic object can withstand repeated folding). The composition for optical stereolithography of the present invention includes (A) a diallyl phthalate-based polymer; (B) radical polymerizable compounds having a methacrylic group and/or an acrylic group; (C) a radical polymerization initiator; and (D) a sensitizer. The (B) radical polymerizable compounds includes at least (B1) an epoxy (meth)acrylate having a methacrylic group and/or an acrylic group, or (B2) a dioxane (meth)acrylate having a methacrylic group and/or an acrylic group. The composition contains 0.5 to 10% by mass of (A), 5 to 43% by mass of (B1) and (B2), 20 to 95% by mass of (B) other than (B1) and (B2), 0.1 to 5% by mass of (C), and 0.1 to 5% by mass of (D).
COMPOSITION FOR OPTICAL STEREOLITHOGRAPHY, STEREOLITHOGRAPHIC OBJECT, AND METHOD FOR PRODUCING THE SAME
Provided is a composition for optical stereolithography the stereolithography (photocuring) of which is completed in a shorter time and which provides a stereolithographic object having excellent strength (strength that prevents the occurrence of a fracture and the like when the stereolithographic object is subjected to an impact, or dropping, and strength with which the stereolithographic object can withstand repeated folding). The composition for optical stereolithography of the present invention includes (A) a diallyl phthalate-based polymer; (B) radical polymerizable compounds having a methacrylic group and/or an acrylic group; (C) a radical polymerization initiator; and (D) a sensitizer. The (B) radical polymerizable compounds includes at least (B1) an epoxy (meth)acrylate having a methacrylic group and/or an acrylic group, or (B2) a dioxane (meth)acrylate having a methacrylic group and/or an acrylic group. The composition contains 0.5 to 10% by mass of (A), 5 to 43% by mass of (B1) and (B2), 20 to 95% by mass of (B) other than (B1) and (B2), 0.1 to 5% by mass of (C), and 0.1 to 5% by mass of (D).
A QUADRIPOLYMER BASED ON HOST-GUEST INTERACTION AND PREPARATION PROCESS THEREOF
The present invention discloses a quadripolymer based on host-guest interaction and preparation process thereof. The preparation process: (1) weigh maleic anhydride and dissolve in dichloromethane, add-phenethylamine dropwise, stir to react for 1 to 3 hours, perform extraction filtration and washing, to obtain N-phenethylmaleamic acid; (2) Weigh mono 6-ethylenediamine -cyclodextrin and maleic anhydride, dissolve in N, N-dimethylformamide, and place at 40 C. for reaction for 3 to 6 hours, the product is precipitated with chloroform, washed and dried under vacuum to obtain maleic anhydride modified mono 6-ethylenediamine -cyclodextrin; (3) Add acrylamide, acrylic acid, maleic anhydride modified mono 6-ethylenediamine -cyclodextrin, N-phenethylmaleamic acid, adjust the pH of the solution to 7; introduce nitrogen, add a photoinitiator and place to a photo-initiating device to react 3-5 hours at a temperature of 10-30 C. The quadripolymer has good temperature and salt resistance and shear resistance, and its raw materials are cheap and easily available, the reaction conditions are mild, having broad market application prospects.
Macromonomer copolymer and method for producing same
Provided is a macromonomer copolymer (Y) including a monomer unit of a specific macromonomer (A) and a monomer unit of a comonomer (B) copolymerizable with the macromonomer (A), in which a value of Hx represented by a specific expression is 0.05 to 0.40.
SILICONE HYDROGEL COMPOSITION
The present invention provides a silicone hydrogel composition. The silicone hydrogel composition includes a water-soluble silicone macromere, a hydrophilic monomer, a crosslinker, an initiator and an organic solvent. The water-soluble silicone macromere, the hydrophilic monomer, the crosslinker and the initiator is respectively in the amount of 50-80 wt %, 19-50 wt %, 0.1-1.5 wt % and 0.1-1 wt % based on the total weight of the silicone hydrogel composition.
Curable resin composition
An object of the present invention is to provide a curable resin composition having low viscosity and being capable of forming a cured product which is excellent in the flexibility and the heat resistance. The present invention is a curable resin composition including: a (meth)acrylic group-containing vinyl-based polymer (A), a monomer (B) represented by the following Chemical formula (1), and a radical initiator (C). ##STR00001##
Curable resin composition
An object of the present invention is to provide a curable resin composition having low viscosity and being capable of forming a cured product which is excellent in the flexibility and the heat resistance. The present invention is a curable resin composition including: a (meth)acrylic group-containing vinyl-based polymer (A), a monomer (B) represented by the following Chemical formula (1), and a radical initiator (C). ##STR00001##