C08F220/306

CURABLE COMPOSITION AND STEREOLITHOGRAPHIC RESIN COMPOSITION COMPRISING SAME
20220325025 · 2022-10-13 · ·

To provide a curable composition that is readily modeled with low viscosity and excellent curing capability in modeling by stereolithography, and provides a cured article excellent in toughness and water resistance, and a resin composition for stereolithography prepared therefrom. To provide a resin composition for stereolithography that is favorable particularly for a dental mouthpiece and a denture base material. A curable composition containing 79.0 to 99.0% by mass of a polymerizable monomer (a), 0.1 to 10.0% by mass of a photopolymerization initiator (b), and 0.01 to 20.0% by mass of a compound represented by the following general formula (I) as a polyfunctional polymerizable compound (c):

##STR00001##

wherein R.sup.1 and R.sup.2 each independently represent at least one kind selected from the group consisting of a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, an alkenyl group having 2 to 6 carbon atoms, an aryl group, and an aralkyl group; R.sup.3 represents at least one kind of a polymerizable functional group selected from the group consisting of a (meth)acryloyl group, a 4-vinylphenyl group, and an alkenyl group having 2 to 5 carbon atoms; and n represents an arbitrary integer of 0 to 5.

THREE-DIMENSIONAL MODELING PATTERN MATERIAL, CURED PRODUCT, CUBIC MOLDED ARTICLE, AND METHOD FOR PRODUCING MOLD BY USING SAID CUBIC MOLDED ARTICLE

A three-dimensional pattern material capable of forming a cured product having excellent hardness and castability, a cured product, a cubic molded article, and a method for producing a mold by using the cubic molded article are provided. The three-dimensional modeling pattern material contains a curable resin composition containing a (meth) acrylate compound (A) represented by Structural Formula (1) and an aliphatic (meth) acrylate compound (B). The three-dimensional modeling pattern material has a content of the (meth) acrylate compound (A) of 50% by mass or more in a total mass of the (meth) acrylate compound (A) and the (meth) acrylate compound (B).

Substituted catechol monomers, copolymers and methods for use

Disclosed are novel substituted catechol monomers, polymers made with the substituted catechol monomers, pH responsive polymers made with the substituted catechol monomers, and related methods. Also provided is a method of preparing an aqueous coating composition such as a latex paint including the above components.

ADHESIVE AGENT COMPOSITION AND ADHESIVE AGENT

The present invention relates to an adhesive agent composition, containing an aqueous resin dispersion obtained by subjecting a polymerizable compound (C) containing a compound (C1) having a carbon-carbon unsaturated bond to an emulsion polymerization in the presence of a surfactant (A) and a surfactant (B) free from a radical-polymerizable substituent.

ADHESIVE AGENT COMPOSITION AND ADHESIVE AGENT

The present invention relates to an adhesive agent composition, containing an aqueous resin dispersion obtained by subjecting a polymerizable compound (C) containing a compound (C1) having a carbon-carbon unsaturated bond to an emulsion polymerization in the presence of a surfactant (A) and a surfactant (B) free from a radical-polymerizable substituent.

Additive manufacturing using materials that form a weak gel
11667787 · 2023-06-06 · ·

A formulation usable in additive manufacturing of a three-dimensional object is provided. The formulation comprises one or more monofunctional curable material(s); one or more hydrophilic multifunctional curable material(s); and one or more water-miscible non-curable material(s), such that a total amount of the curable materials is 20% or less, by weight, and a weight ratio of a total weight of the monofunctional curable material(s) and a total weight of the hydrophilic multifunctional curable material(s) ranges from 1:1 to 10:1. The formulation features, when hardened, properties of a weak and flowable gel. Additive manufacturing processes utilizing the formulation as a support material formulation are also provided.

Additive manufacturing using materials that form a weak gel
11667787 · 2023-06-06 · ·

A formulation usable in additive manufacturing of a three-dimensional object is provided. The formulation comprises one or more monofunctional curable material(s); one or more hydrophilic multifunctional curable material(s); and one or more water-miscible non-curable material(s), such that a total amount of the curable materials is 20% or less, by weight, and a weight ratio of a total weight of the monofunctional curable material(s) and a total weight of the hydrophilic multifunctional curable material(s) ranges from 1:1 to 10:1. The formulation features, when hardened, properties of a weak and flowable gel. Additive manufacturing processes utilizing the formulation as a support material formulation are also provided.

Fluorinated polymer additives derived using hydrophilic chain transfer agents for architectural coatings

The present invention comprises a composition and method of use for providing cleanability to paint comprising an aqueous emulsion of Formula (I) ##STR00001##
wherein the composition of Formula (I) is a random copolymer; wherein said composition of formula (I) further comprises residue from a hydrophilic chain transfer agent. The compositions of the present invention provide durability to coating compositions, while also providing surface effects such as increased water and oil contact angles, enhanced dirt pickup resistance, and enhanced cleanability to the coating films. For these reasons, the composition of the present invention is particularly suitable for use as additives to exterior coatings and paints.

Fluorinated polymer additives derived using hydrophilic chain transfer agents for architectural coatings

The present invention comprises a composition and method of use for providing cleanability to paint comprising an aqueous emulsion of Formula (I) ##STR00001##
wherein the composition of Formula (I) is a random copolymer; wherein said composition of formula (I) further comprises residue from a hydrophilic chain transfer agent. The compositions of the present invention provide durability to coating compositions, while also providing surface effects such as increased water and oil contact angles, enhanced dirt pickup resistance, and enhanced cleanability to the coating films. For these reasons, the composition of the present invention is particularly suitable for use as additives to exterior coatings and paints.

TRANSPARENT BODY PRODUCTION METHOD, TRANSPARENT BODY, AND AMORPHOUS BODY
20170275223 · 2017-09-28 ·

A transparent body production method that includes subjecting the compound represented by formula (1) to heating at a temperature equal to or greater than the melting point of said compound. In formula (1), each of W.sup.1 and W.sup.2 is the group represented by formula (2) in which the ring Z is an aromatic hydrocarbon ring, X is a single bond or —S—, R.sup.1 is a single bond or an alkylene group having 1-4 carbon atoms, R.sup.2 is a specific substituent, and m is an integer of 0 or higher, the group represented by formula (4) is —OH— or a (meth)acryloyloxy group, each of the rings Y.sup.1 and Y.sup.2 is an aromatic hydrocarbon ring, R is a single bond or a specific divalent group, each of R.sup.3a and R.sup.3b is —CN, a halogen group, or a monovalent hydrocarbon group, and each of n1 and n2 is an integer of 0-4.