Patent classifications
C08F222/10
TWO-STEPS LIGHT AND HEAT CURABLE RESIN COMPOSITION
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
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
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
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
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
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
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.