C08F222/10

TWO-STEPS LIGHT AND HEAT CURABLE RESIN COMPOSITION
20230098166 · 2023-03-30 ·

The present invention relates to the field of a protection system based on composite material used in ballistics. The application relates to a two-steps light and heat curable resin composition, a process of forming in a first step a prepreg using said resin and in a second step a protection system comprising the laminated composite of the invention.

Curable composition, method for producing same, and article using same

A composition including at least one compound having a perfluoropolyether group and a curable site, wherein in a molecular weight distribution curve in gel permeation chromatography measurement, the following formula is satisfied: M2/M1≤3.5, wherein M1 is a molecular weight at a main peak, and M2 is a molecular weight at 25% intensity of an intensity of the main peak on a higher molecular weight side than M1. Also disclosed is a curable composition containing the composition and a method for producing the curable composition.

FAST ACTINICALLY CURABLE COMPOSITIONS FOR 3D COMPOSITES

An actinically curable composition includes (a) at least one monomer of formula (I);

##STR00001## (b) at least one monomer of formula (II);

##STR00002## (c) optionally a urethane (meth)acrylate oligomer; and (d) a photoinitiator,

wherein R.sub.1, R.sub.2, R.sub.3, R.sub.7, R.sub.8 and R.sub.9 are as defined. A method of making a three dimensionally printed composite article from the actinically curable composition is also provided.

Ceramic slurries with photoreactive-photostable hybrid binders

Ceramic slurries may include ceramic particles, a photoreactive-photostable hybrid binder, and a photoinitiator. The photoreactive-photostable hybrid binder may include a photoreactive organic resin component, a photoreactive siloxane component, and one or more photostable siloxane components. Methods of forming a ceramic part may include curing a portion of a ceramic slurry by exposing the portion of the ceramic slurry to light to form a green ceramic part, and partially firing the green ceramic part to form a brown ceramic part. The brown ceramic part may be sintered at or above a sintering temperature of the ceramic particles to form a ceramic part, wherein sintering includes heating the brown ceramic part to a sufficient temperature to promote reaction bonding that converts silica from the photoreactive-photostable hybrid binder into silicates that bond with the ceramic particles.

Polyamideimide Film-Forming Composition, Method of Preparing the Same, and Use Thereof
20230098970 · 2023-03-30 ·

The present disclosure relates to a polyamideimide film-forming composition, a method of preparing the same, and a use thereof. The polyamideimide film-forming composition according to one embodiment prevents deterioration of colorless and transparent optical properties and has excellent mechanical properties, and thus may be effectively used for a polyamideimide film or a display device including the polyamideimide film.

COPOLYMER, MEASURING DEVICE, AND CARRIER FOR MEASUREMENT
20230030958 · 2023-02-02 ·

Solution

A copolymer according to the present disclosure is a copolymer of a compound represented by Formula (1) and a compound represented by Formula (2). R.sup.1 and R.sup.4 are each independently a hydrogen atom or a methyl group. R.sup.2 and R.sup.3 are each independently a hydrogen atom or an alkyl group having from 1 to 4 carbon atom(s). R.sup.5 and R.sup.6 are each independently an alkyl group having from 1 to 4 carbon atom(s). x, y, and z are each independently an integer from 1 to 4.

Unsaturated Polyester Resin Compositions and Methods for Preparation Thereof
20230088879 · 2023-03-23 ·

The invention relates to an unsaturated polyester resin composition comprising: —a (meth)acrylate compound; and, —a polyester formed from at least: —reagent a) comprising itaconic acid and/or itaconic anhydride; —reagent b) comprising maleic acid, maleic anhydride, and/or fumaric acid; —reagent c) comprising dicyclopentadiene (DCPD); and, —reagent d) comprising at least one di- or poly-functional alcohol, preferably at least one diol; wherein the combined weight of reagent a) (i.e. the combined weight of itaconic acid and/or itaconic anhydride) is at least 10 wt. %, preferably at least 20 wt. %, of the total weight of di-acids and anhydrides used in the unsaturated polyester resin composition. The invention further relates to use of said unsaturated polyester resin for structural parts and for gel-coats. The invention also provides methods for preparing said unsaturated polyester resin composition.

Unsaturated Polyester Resin Compositions and Methods for Preparation Thereof
20230088879 · 2023-03-23 ·

The invention relates to an unsaturated polyester resin composition comprising: —a (meth)acrylate compound; and, —a polyester formed from at least: —reagent a) comprising itaconic acid and/or itaconic anhydride; —reagent b) comprising maleic acid, maleic anhydride, and/or fumaric acid; —reagent c) comprising dicyclopentadiene (DCPD); and, —reagent d) comprising at least one di- or poly-functional alcohol, preferably at least one diol; wherein the combined weight of reagent a) (i.e. the combined weight of itaconic acid and/or itaconic anhydride) is at least 10 wt. %, preferably at least 20 wt. %, of the total weight of di-acids and anhydrides used in the unsaturated polyester resin composition. The invention further relates to use of said unsaturated polyester resin for structural parts and for gel-coats. The invention also provides methods for preparing said unsaturated polyester resin composition.

QUANTUM DOT COMPOSITE, OPTICAL FILM AND BACKLIGHT MODULE
20230089713 · 2023-03-23 ·

A quantum dot composite, an optical film, and a backlight module are provided. The quantum dot composite includes a polymerizable polymer and a plurality of quantum dot particles dispersed in the polymerizable polymer. A particle size of the plurality of the quantum dot particles ranges from 8 nm to 30 nm. Based on a total weight of the polymerizable polymer being 100 wt %, the polymerizable polymer includes: 10 wt % to 30 wt % of a multifunctional acrylic monomer, 8 wt % to 60 wt % of a thiol compound self-assembled on surfaces of the plurality of the quantum dot particles, and 1 wt % to 5 wt % of a photoinitiator.

High viscosity latexes
11608403 · 2023-03-21 · ·

Methods for forming latexes are provided. In an embodiment, such a method comprises adding a monomer emulsion comprising water, a monomer, an acidic monomer, a hydrophilic monomer, a difunctional monomer, a first reactive surfactant, and a chain transfer agent, to a reactive surfactant solution comprising water, a second reactive surfactant, and an initiator, at a feed rate over a period of time so that monomers of the monomer emulsion undergo polymerization reactions to form resin particles in a latex. The reactive surfactant solution does not comprise monomers other than the second reactive surfactant, the reactive surfactant solution does not comprise a resin seed, and the monomer emulsion does not comprise the resin seed. The latex is characterized by a viscosity in a range of from about 10 cP to about 100 cP as measured at a solid content of about 30% and at room temperature. The latexes are also provided.