C08F220/16

CURABLE RESIN COMPOSITION, CURED OBJECT, AND THREE-DIMENSIONAL OBJECT
20230056941 · 2023-02-23 · ·

A curable resin composition that has low viscosity and forms a cured product having excellent mechanical physical properties, a cured product, and a three-dimensional object The curable resin composition contains a urethane resin (A) containing a (meth)acryloyl group, and a monofunctional (meth)acrylate compound (B1) and/or a bifunctional (meth)acrylate compound (B2), in which the urethane resin (A) is formed using, as essential reaction raw materials, a polyester polyol (a1), a polyisocyanate (a2), and a compound (a3) containing a hydroxyl group and a (meth)acryloyl group, and the polyester polyol (a1) is formed using, as essential reaction raw materials, a glycol (a1-1) containing a hydrocarbon group in a side chain, and a polycarboxylic acid (a1-2).

DEWAXING AID

The dewaxing aid of the present invention is a dewaxing aid including an ethylene-α-olefin copolymer (A) having a molar ratio [(a)/(b)] of (a) ethylene and (b) an α-olefin having 3 or more and 12 or less carbon atoms of 93/7 to 75/25, and having a weight average molecular weight of 10,000 to 500,000. According to the present invention, a dewaxing aid that is excellent in improving filterability can be provided.

DEWAXING AID

The dewaxing aid of the present invention is a dewaxing aid including an ethylene-α-olefin copolymer (A) having a molar ratio [(a)/(b)] of (a) ethylene and (b) an α-olefin having 3 or more and 12 or less carbon atoms of 93/7 to 75/25, and having a weight average molecular weight of 10,000 to 500,000. According to the present invention, a dewaxing aid that is excellent in improving filterability can be provided.

Polymerization process for liquid copolymers of ethylene and hydroxyalkyl(meth)acrylate

The present invention relates to a continuous high-pressure polymerization process for the preparation of a liquid ethylene copolymer which comprises in polymerized for methylene; and a reactive acrylate which is selected from hydroxyethyl (meth)acrylate, hydroxypropyl (meth)acrylate, and hydroxybutyl (meth)acrylate, where a monomer feed comprising the ethylene and the reactive acrylate is polymerized in the presence of at least 2 wt % of a chain transfer agent. The present invention also relates to the liquid ethylene copolymer, to a coating material comprising the liquid ethylene copolymer and to a use of the liquid ethylene copolymer to produce a coating material.

Polymerization process for liquid copolymers of ethylene and hydroxyalkyl(meth)acrylate

The present invention relates to a continuous high-pressure polymerization process for the preparation of a liquid ethylene copolymer which comprises in polymerized for methylene; and a reactive acrylate which is selected from hydroxyethyl (meth)acrylate, hydroxypropyl (meth)acrylate, and hydroxybutyl (meth)acrylate, where a monomer feed comprising the ethylene and the reactive acrylate is polymerized in the presence of at least 2 wt % of a chain transfer agent. The present invention also relates to the liquid ethylene copolymer, to a coating material comprising the liquid ethylene copolymer and to a use of the liquid ethylene copolymer to produce a coating material.

3D printing with polymeric nanogel particles

A photoinitiated polymerizable composition for 3D printing, the polymerizable composition comprising a nanogel component that comprises nanogel particles, wherein the nanogel particles comprise a copolymer with polymerizable reactive groups suitable for reacting with each other or a reactive diluent monomer, a reactive oligomer, a resin, or a combination thereof that is present in the polymerizable composition upon photoinitiation, wherein the nanogel component has a glass transition temperature that is in a range of about −50 C and about 20 C and an average molecular weight that is in a range of about 10 kg/mol and about 100 kg/mol, and wherein the nanoparticles have an average hydrodynamic radius that is in a range of 1 nm to about 5 nm.

ELASTIC MATERIALS PREPARED FROM ENERGY-CURABLE LIQUID COMPOSITIONS
20230124643 · 2023-04-20 ·

An elastic material is provided having an elongation greater than 150% as measured according to ASTM D638-02a, a resiliency greater than 12% as measured according to ASTM D2632-01 (reapproved 2008), and a Shore A hardness of at least 10 as measured by ASTM D2240-15e1. The elastic material is an energy-cured reaction product of a curable composition that is a liquid at 25° C. The curable composition includes at least a) relatively high molecular weight (meth)acrylate-functionalized oligomer having no more than two (meth)acrylate functional groups per molecule on average; b) at least one mono(meth)acrylate-functionalized monomer having a molecular weight of less than 500 Daltons and a single (meth)acrylate functional group per molecule and/or an ethylenically unsaturated nitrogen-containing monomer; and c) at least one multi(meth)acrylate-functionalized monomer having a molecular weight of less than 1000 Daltons and at least two (meth)acrylate functional groups per molecule.

ELASTIC MATERIALS PREPARED FROM ENERGY-CURABLE LIQUID COMPOSITIONS
20230124643 · 2023-04-20 ·

An elastic material is provided having an elongation greater than 150% as measured according to ASTM D638-02a, a resiliency greater than 12% as measured according to ASTM D2632-01 (reapproved 2008), and a Shore A hardness of at least 10 as measured by ASTM D2240-15e1. The elastic material is an energy-cured reaction product of a curable composition that is a liquid at 25° C. The curable composition includes at least a) relatively high molecular weight (meth)acrylate-functionalized oligomer having no more than two (meth)acrylate functional groups per molecule on average; b) at least one mono(meth)acrylate-functionalized monomer having a molecular weight of less than 500 Daltons and a single (meth)acrylate functional group per molecule and/or an ethylenically unsaturated nitrogen-containing monomer; and c) at least one multi(meth)acrylate-functionalized monomer having a molecular weight of less than 1000 Daltons and at least two (meth)acrylate functional groups per molecule.

LASER DIRECT STRUCTURED MATERIALS AND THEIR METHODS OF MAKING

The present disclosure relates to LDS materials comprising a first coating layer comprising a first LDS additive, and a base substrate, wherein the coating layer contacts the base substrate. Articles formed from the LDS materials are also disclosed that include a conductive path and a metal layer deposited on the activated path. Methods for making the LDS materials and corresponding articles are also described.

Resin, resist composition and method for producing resist pattern

Disclosed are a resin containing a structural unit represented by formula (I), a structural unit represented by formula (a1-1), a structural unit represented by formula (a1-2) and a structural unit represented by formula (a2-A), and a resist composition including the same: ##STR00001##