134 results about "Monomer composition" patented technology

This application relates to liquid compositions comprising (meth)acrylate monomers and / or methacrylamide monomers and a solvent system comprising a mixture of aliphatic alcohols and alkylene carbonates. The liquid composition is useful as a monomer liquid component in two-part liquid-and-powder curable acrylic systems, in particular as used for the cosmetic treatment of fingernails and toenails. The invention further provides methods of forming a polymeric structure on a substrate, such as acrylic nail coatings, using the monomer liquid composition of the invention. The application further provides a novel additive for use in monomer liquid compositions.

The application discloses a preparation method of a partially fluorinated solid electrolyte and a lithium ion battery, and belongs to the field of electrode materials. The application proposes a partial fluorination strategy, and finds that by changing the ratio of monofunctional polymerizable acrylate monomers and bifunctional polymerizable acrylate monomers in a polymerization precursor liquid and the ratio of polymerizable fluorinated acrylate monomers in a polymerizable acrylate monomer composition, the mechanical properties and ionic conductivity of the finally obtained solid electrolyte can be controlled. The partially fluorinated solid electrolyte prepared by the preparation method provided by the application is stable and reliable, has higher safety, and has excellent mechanical properties and higher ionic conductivity. The partially fluorinated solid electrolyte provided by the application can be used for preparing a lithium ion battery with better safety performance and more excellent electrochemical performance.

An amido group-containing monomer composition contains 80.00 to 99.99 mass % of an amido group-containing monomer (a) of the following formula (1) and 0.01 to 20.00 mass % of a metal chelate complex (b) having carbonyl group as a ligand:wherein R1 represents a hydrogen atom or a methyl group, R2 represents a hydrocarbon group having a carbon number of 1 to 6, R3 represents a hydrocarbon group having a carbon number of 1 to 23, and R4 represents hydrogen or a methyl group.

The invention discloses a 3D printing polyurethane elastomer as well as a preparation method and application thereof, and relates to the technical field of high polymer materials. The polyurethane elastomer is composed of a prepolymer containing a dynamic hydrazide urea bond and a hindered urea bond and a monomer containing primary amine, the prepolymer takes polyether polyol and diisocyanate as basic raw materials, a dynamic hydrazide urea bond hard segment is introduced into the prepolymer through a hydrazide chain extender, a side chain is introduced through glycidyl methacrylate, and the primary amine-containing monomer is prepared. A dynamic hindered urea bond and a photocuring group are introduced through an acrylate end-capping reagent, and a reactive diluent and a photoinitiator are matched to optimize the forming performance. In the preparation process, a prepolymer and a primary amine-containing monomer are mixed and then subjected to 3D printing forming, in the low-temperature stage, reversible exchange of dynamic hydrazide urea bonds and hindered urea bonds is promoted to heal interlayer defects, and in the high-temperature stage, the hindered urea bonds are triggered to break and react with primary amine to form a stable cross-linked network. The 3D printing polyurethane elastomer has excellent rebound resilience, mechanical strength and hydrophobic effect.

The invention discloses a high-temperature-resistant liquid crystal polymer substrate for ultrathin flexible display, which belongs to the technical field of flexible display and comprises a modified liquid crystal polymer and a functional additive dispersed in the modified liquid crystal polymer. The modified liquid crystal polymer is prepared by polymerizing a monomer composition, and is specifically prepared from 38 to 42 parts of p-hydroxybenzoic acid, 28 to 30 parts of 4, 4 '-biphenol, 5.6 to 6.0 parts of terephthalic acid, 4.4 to 5.0 parts of 2, 6-naphthalic acid, 2.7 to 3.3 parts of isophthalic acid, 9 to 11 parts of 2, 2-bis (3, 5-difluoro-4-hydroxyphenyl) hexafluoropropane, 4.5 to 5.5 parts of N, N'-dihydroxypyromellitic diamine, 9 to 11 parts of 9, 9-bis [4-(4-methoxycarbonyl phenoxy) phenyl] fluorene and 1, 2-bis (4-(4-methoxycarbonyl phenoxy) phenyl] fluorene. The component A is prepared from 5.5 to 6.5 parts of 1, 4-cyclohexanedimethanol; the functional additive comprises an azobenzene derivative, a hot acid generator and a hydrogen bond enhancer; through the synergistic effect of a specific monomer combination, a functional additive and an optimization process, the technical bottleneck that heat resistance, transparency, dimensional stability and flexibility of an existing material are difficult to consider at the same time is broken through.

Disclosed herein are amine containing copolymer compositions based on free radical and controlled radical polymerization of monomer compositions including an amine-derivatized alpha-methyl styrene (ADAMS) monomer according to structure (I): with k, R, R1, and R2 defined herein with one or more monomers selected from the group consisting of optionally substituted acrylates, methacrylates, acrylamides, methacrylamides, acrylonitriles, methacrylonitriles, vinyl ethers, N-vinyl amides, or combinations thereof. Further disclosed herein are methods of making and methods for using such copolymer compositions.

To provide a monomer composition comprising cyclocarbonate (meth)acrylate and glycerin tri(meth)acrylate that prevents the decomposition of glycerin tri(meth)acrylate during high-temperature storage and suppresses discoloration and thickening. [Solution] A monomer composition characterized by containing 94 to 99.8% by mass of a cyclocarbonate-containing (meth)acrylate (A) represented by formula (1), 0.01 to 5% by mass of glycerin tri(meth)acrylate (B), 0.001 to 0.5% by mass of a hydroxycarboxylic acid or its salt (C) with a molecular weight of 500 or less, and 0.0001 to 0.5% by mass of a polymerization inhibitor (D). JPEG2026047828000010.jpg3599 (In formula (1), R 1 is H or CH3, and R 2 is H or an alkyl group having 1 to 4 carbon atoms, R 3 (This refers to an alkylene group with 1 to 4 carbon atoms.)

Compositions and methods for inhibiting and retarding polymerization of monomeric compositions are described that use a naphthoquinone and an oxygenated aminophenol. When present in a monomer-containing composition, the combination of naphthoquinone and oxygen-containing aminophenol provides an unexpectedly beneficial anti-polymerization agent effect, thereby inhibiting the formation of unwanted fouling polymers. The anti-polymerization agent combination can be added to a hydrocarbon composition, such as petroleum, that can include a polymerizable component, such as styrene, wherein the hydrocarbon composition is purified or processed, such as under distillation.

This invention relates to a monomer composition for preparing superabsorbent polymers. The superabsorbent polymer is then incorporated into an absorbent article. The monomer composition for preparing superabsorbent polymers of this invention has a fast polymerization rate and therefore can minimize bubble loss during foam polymerization, thus providing a superabsorbent polymer with excellent absorption rate. Furthermore, the superabsorbent polymer prepared from the monomer composition for preparing superabsorbent polymers has high gel strength and therefore maintains its shape well even after water absorption, thus exhibiting excellent absorption performance despite external pressure.

An object is to provide a monomer composition to obtain a methacrylic resin composition having excellent light stability or long-term thermal stability while maintaining transparency and heat resistance originally possessed by a methacrylic resin; a methacrylic resin composition and a production method therefor, and a molded resin object containing the methacrylic resin composition. The object is achieved by a monomer composition containing methyl methacrylate and 1 to 10000 ppm by mass of an ester compound having a specific α-hydrogen (component A1), an α,β-unsaturated carbonyl compound (component A21), an α,β-unsaturated carboxylic acid ester (component A22), or a pyrazine compound (component A3). In addition, the above object is achieved by a methacrylic resin composition using the monomer composition and a production method therefor, and a molded resin object containing the methacrylic resin composition.

The invention relates to an aqueous polymer dispersion and its preparation. The dispersion comprises a styrene acrylate polymer, which is obtainable by free-radical polymerisation of 1-90 weight-% of monomer (a), which comprises at least one optionally substituted styrene; 10-99 weight-% of monomer (b), which comprises at least one alkyl (meth)acrylate, and 0-9 weight-% of monomer (c), which comprises at least one ethylenically unsaturated monomer, which is different from monomer (b). The polymerisation is conducted in a polymerisation medium comprising a cationic prepolymer, which is obtainable by free radical polymerisation of at least 10-55 weight-% of a monomer (i), which comprises at least one ethylenically unsaturated quaternary and / or tertiary amine, 35-90 weight-% of a monomer (ii), which comprises at least one optionally substituted styrene, and 0-55 weight-% of a monomer (iii), which comprises at least one alkyl (meth)acrylate. The oligomer content in the polymer dispersion is ≤1.4 weight-%, calculated from the dry polymer content.

The invention is related to a process for synthesizing a polymer for various uses including as a tackifying composition. The process comprises providing a reactant mixture for conducting multistep reactions to produce products with high selectivity and yields. The reactant mixture comprises a first compound comprising at least one carbon-carbon double bond or a precursor therefor; a heat transfer fluid; and at least one stabilizer. The process comprises reacting the first compound or the precursor with a first intermediate mixture in the presence of a heat transfer agent to provide a monomer composition. Optionally the obtained monomer composition may be fractionated. Then, the process involves polymerising one or more fractions of the monomer composition to provide the polymer composition that can be tuned to be tackifying or longer chain.

The method produces hollow particles which have a high void ratio, which can reduce the residual amount of a sparingly water-soluble solvent used in the production process, and which are less likely to collapse. The method for producing hollow particles which comprise a shell and a hollow portion and which have a void ratio of 50% or more and 90% or less, wherein a suspension treatment of a mixture liquid containing a polymerizable monomer for shell, a polar resin, a hydrocarbon solvent, a sparingly water-soluble inorganic metal salt as a dispersant, and an aqueous medium is carried out to prepare a suspension in which droplets of a monomer composition containing the polymerizable monomer for shell, the polar resin and the hydrocarbon solvent are dispersed in the aqueous medium; a polymerization reaction of the suspension is carried out; and the hydrocarbon solvent is removed from the obtained hollow particles.

This invention provides polypeptide ester etheramine random polymers and methods for preparing them. [Solution] The polypeptide ester etheramine random polymer of the present invention is a random copolymer of an amino acid monomer and an alkylene oxide. In the present invention, copolymerization of an amino acid monomer and an alkylene oxide monomer is achieved by a one-step method of mixed monomers using a transition metal or rare earth metal salt as a catalyst. The random copolymer product has a controllable molecular weight, a narrow molecular weight distribution, and an adjustable copolymer composition. Furthermore, the random copolymer product has excellent solubility, is biodegradable, easily modifiable with functional groups, has excellent processability, and has excellent biocompatibility, making it promising for future applications in the biomedical field.

We provide a system for screening compounds. [Solution] This application provides beads with covalently attached compounds and covalently attached DNA barcodes, as well as methods for using such beads. The beads have many substantially identical copies of compounds and many substantially identical copies of DNA barcodes. The compounds consist of one or more chemical monomers, and the DNA barcodes take the form of barcode modules, each module enabling the identification of corresponding and corresponding chemical monomers. The nucleic acid barcodes may have a chain-like or orthogonal structure. Methods for sequencing bead-bound nucleic acid barcodes, methods for cleaving compounds from beads, and methods for evaluating the biological activity of released compounds are provided.

The object of the present invention is to provide an antistatic agent that imparts excellent antistatic properties to thermoplastic resins. [Solution] An antistatic agent (Z) comprising a block polymer (A) having a block of hydrophobic polymer (a) and a block of hydrophilic polymer (b) as constituent units, wherein the hydrophobic polymer (a) consists of polyolefin (a2) and polyamide (a1), and the polyamide (a1) consists of at least two constituent monomers selected from the group consisting of lactam (a101) having 4 to 20 carbon atoms and aminocarboxylic acid (a102) having 2 to 12 carbon atoms.

Provided is a photocurable resin composition used for producing a three-dimensional formed article by a liquid tank photopolymerization method, the photocurable resin composition containing (A) a radically polymerizable monomer, (B) an inorganic filler, (C) a photopolymerization initiator, (D) an activated light absorbent, (E) a polymerization inhibitor, and (F) a chain transfer agent, wherein: at least 90 mass % of the component (A) has two or more (meth)acryloyl groups in the molecule, and is composed of a polyfunctional (meth)acrylate-based radically polymerizable monomer (a) having 5 to 25 atoms constituting a main chain of a divalent group interposed between the two or more (meth)acryloyl groups; and the component (a) is composed of a polyfunctional monomer a1 having a specific group such as a urethane group and a polyfunctional monomer a2 other than the polyfunctional monomer a1. Also provided is a method for producing a three-dimensional photoformed article by using the photocurable resin composition.

The invention belongs to the technical field of adhesive synthesis, and relates to a light-cured adhesive, in particular to a high-temperature-resistant and high-humidity-resistant flexible ultraviolet light-cured adhesive as well as a preparation method and application thereof. The adhesive is prepared by taking a self-made polyurethane acrylate oligomer, trifunctional polyurethane acrylate, a monomer composition and a photoinitiator as main raw materials. The invention relates to a UV (ultraviolet) photoinitiator, which is prepared from the following raw materials in parts by weight: 30 to 45 parts of self-made polyurethane acrylate oligomer, 1 to 5 parts of trifunctional polyurethane acrylate, 45 to 65 parts of monomer composition and 1.5 to 5 parts of photoinitiator, wherein the monomer composition comprises the following components in parts by weight: 30-40 parts of a monomer without containing water-absorbing / polar groups, 10-20 parts of a monomer containing tetrahydrofuran and 5-15 parts of a monomer containing a soft long chain. The water absorption rate of the adhesive ranges from 0.01% to 0.3%, the bonding peel strength is 8 kN / m or above, after high-temperature and high-humidity verification, the bonding peel strength can still be kept at 7.6 kN / m or above, and the bonding peel strength retention rate is 95% or above.

The invention relates to the technical field of skin contact type solvent-based pressure-sensitive adhesives, in particular to a solvent-based pressure-sensitive adhesive and a preparation method thereof.The solvent-based pressure-sensitive adhesive is prepared from, by weight, 40-50% of a monomer composition, 50-60% of an initiator and 50-60% of an organic solvent; the initiator accounts for 0.05-0.5% of the weight of the monomer composition; the monomer composition is prepared from the following components in percentage by weight: 55 to 85 weight percent of soft monomer, 10 to 35 weight percent of hard monomer, 2 to 11 weight percent of hydrophilic monomer, 0.05 to 1.5 weight percent of acid functional monomer and 0.02 to 0.25 weight percent of epoxy functional monomer. By controlling the content of the acid functional monomer, the acid value of the solvent type pressure-sensitive adhesive can be relatively low, and meanwhile, the initiator is added in stages, so that the total residual amount of the monomer is effectively reduced, and the sensitization is further effectively reduced. And by controlling the ratio of the soft monomer to the hard monomer, the stripping force and the retention force can be improved. And by adding the hydrophilic monomer, the formation of a hydrophilic channel is promoted. By adding the epoxy functional monomer, a moderate micro-crosslinked network can be formed, and the air permeability of the dry glue layer is improved.

The invention discloses a high-cohesion OCA optical pressure-sensitive adhesive and a preparation method thereof. The high-cohesion OCA optical pressure-sensitive adhesive is obtained by dissolving a raw material containing a triblock copolymer in a dispersion medium, coating to form a film and drying, the triblock copolymer is in reversible addition fragmentation chain transfer solution polymerization, the structural general formula of the triblock copolymer is (M1-ran-M2)-b-(M3-ran-M4)-b-(M5-ran-M6), and M1 and M5 are composed of hard monomers; m3 is composed of soft monomers; m2, M4 and M6 are composed of functional monomers; the mass content of the hard monomer in the triblock copolymer is 3-20%, the mass content of the soft monomer is 70-85%, and the mass content of the functional monomer is 8-30%. According to the invention, the segmented copolymer with high functional monomer content is designed, monomers containing hydroxyl, carboxyl, amino and other functional groups are embedded into the copolymer structure, the cohesion of the polymer is obviously improved, the bonding performance, heat resistance and the like of the prepared optical adhesive are greatly improved, and the OCA optical pressure-sensitive adhesive with excellent comprehensive performance is obtained.

The present invention is a sulfonium salt type monomer, wherein the sulfonium salt type monomer is represented by the following general formula (a). This can provide: a sulfonium salt type monomer used as a sulfonium salt type quencher that is a material for a polymer contained in a chemically amplified resist composition that has excellent solvent solubility, high sensitivity, high contrast, and excellent lithography performance in lithography using high-energy radiation, and is resistant to pattern collapse even in fine pattern formation and has excellent etching resistance; a sulfonium salt type quencher consisting of the sulfonium salt type monomer; a polymer containing a repeating unit derived from the sulfonium salt type quencher; a chemically amplified resist composition including a base polymer containing the polymer; and a pattern forming method using the chemically amplified resist composition.

The invention relates to the technical field of preparation of high polymer materials and optical films, in particular to a modified polyvinyl alcohol optical film as well as a preparation method and application thereof. The modified polyvinyl alcohol optical film is composed of a matrix and a modified monomer, the matrix is PVA resin, the alcoholysis degree of the PVA resin is greater than or equal to 99%, and the polymerization degree of the PVA resin is 1700-2000; the modified monomer is EVOH, and the ethylene unit content in the EVOH is 7-9 mol%; the thickness of the modified polyvinyl alcohol optical film is 10-60 [mu] m, the swelling degree is 90-115%, and the wet uniaxial stretching rate is 6.75-6.95 times. The modified PVA optical film has low swelling degree, high wet-state uniaxial stretching rate, low birefringence and excellent damp-heat stability, can realize high stretching rate under the wet-state uniaxial stretching condition without easy breakage, inhibits in-plane orientation unevenness in a drying film forming process, is beneficial to obtaining a PVA optical base film with good optical uniformity, and has a good application prospect. The invention is suitable for liquid crystal display and other optical purposes.

Compositions and articles are described comprising a (e.g. cured) composition bonded to a substrate. The composition comprises a) at least 15 wt.% of polymerized units of polymer(s) having a weight average molecular weight of 10,000 to 100,000 g / mole and at least two (meth)acrylate groups. The polymer typically has a low Tg. The composition further comprises b) at least 15 wt.% of a polymerized units of (meth)acrylate monomer(s); and / or c) 10 to 40 wt.% of polymerized units of ethylenically unsaturated monomer(s) comprising a moiety selected from acidic moieties, amide moieties, or a combination thereof.

The present disclosure relates to a preparation method of a monomer composition for synthesizing recycled plastic, the method comprising the steps of: subjecting a polycarbonate-based resin to a depolymerization reaction in the presence of an alcohol; monitoring a Raman spectrum of an aromatic diol compound obtained from the depolymerization reaction or alcohol in a reactor through which depolymerization reaction proceeds; and recovering the aromatic diol compound, and to a preparation device of a monomer composition for synthesizing recycled plastic, and a monomer composition for synthesizing recycled plastic, a recycled plastic and a molded product using the same.

This application provides a bead with a covalently attached chemical compound and a covalently attached DNA barcode and methods for using such beads. The bead has many substantially identical copies of the chemical compound and many substantially identical copies of the DNA barcode. The compound consists of one or more chemical monomers, where the DNA barcode takes the form of barcode modules, where each module corresponds to and allows identification of a corresponding chemical monomer. The nucleic acid barcode can have a concatenated structure or an orthogonal structure. Provided are a method for sequencing the bead-bound nucleic acid barcode, for cleaving the compound from the bead, and for assessing biological activity of the released compound.

This monomer composition for a contact lens contains: a specific phosphorylcholine-group-containing polysiloxane monomer (A); a specific siloxanyl-group-containing silicone monomer (B) having one or more of at least a hydroxyl group in each molecule thereof; one or more hydrophilic monomers (C) selected from hydroxyethyl (meth)acrylate, hydroxypropyl (meth)acrylate, and hydroxybutyl (meth)acrylate; methacrylic acid (D); and a hydrophilic monomer (E) other than component (C), the content ratio of component (A) being 10-45 mass%, the content ratio of component (B) being 10-40 mass%, the content ratio of component (C) being 10-30 mass%, the content ratio of component (D) being 0.1-5 mass%, and the content ratio of component (E) being 0-50 mass% with respect to a total of 100 mass% of components (A) through (E).　Through the present invention, it is possible to provide a monomer composition for a contact lens whereby it is possible to manufacture a contact lens that exhibits good stability and has excellent modulus and elongation at break.

A method for producing hollow particles which comprise a shell and a hollow portion surrounded by the shell and which have a void ratio of 50% or more, the method comprising: preparing a mixture liquid containing a polymerizable monomer, a hydrophobic solvent, a polymerization initiator, a dispersion stabilizer and an aqueous medium, suspending the mixture liquid to prepare a suspension in which droplets or a monomer composition containing the polymerizable monomer, the hydrophobic solvent and the polymerization initiator are dispersed in the aqueous medium, and subjecting the suspension to a polymerization reaction to prepare a precursor composition containing precursor particles which have a hollow portion surrounded by a shell containing a resin and which include the hydrophobic solvent in the hollow portion, wherein the polymerizable monomer contains a crosslinkable monomer, and wherein an HOP distance between the crosslinkable monomer and the hydrophobic solvent is 5.80 to 6.50.

The present invention relates to a monomer composition for synthesizing a recycled plastic, comprising a high-purity aromatic diol compound recycled through recycling using chemical decomposition of a polycarbonate-based resin; a method of preparing the monomer composition; and a recycled plastic and a molded article using the same. In addition, the present invention relates to a monomer composition for synthesizing a recycled plastic, comprising a high-value-added by-product recycled through recycling using chemical decomposition of a polycarbonate-based resin; a method of preparing the monomer composition; and a recycled plastic and a molded article using the same.

Disclosed herein are aqueous based copolymer emulsion compositions based on emulsion polymerization of monomer compositions including an amine-derivatized alpha-methyl styrene (ADAMS) monomer according to structure (I):with k, R, R1, and R2 defined herein. The aqueous based copolymer emulsion compositions include (i) from 1 to 60 wt. % of the one or more copolymers, (ii) from 0.05 to 5.0 wt. % of one or more one or more surfactants selected from the group consisting of anionic surfactants, cationic surfactants, nonionic surfactants, amphoteric surfactants, and combinations thereof; and (iii) the remainder of the composition comprising water. Further disclosed herein are methods of making and methods for using such aqueous based copolymer emulsion compositions.

Provided is a monomer composition containing methyl methacrylate, an α-olefin, and at least one compound selected from the group consisting of methyl propionate, methyl pyruvate, and methyl 2-methylbutyrate, wherein: the total content value for methyl propionate, methyl pyruvate, and methyl 2-methylbutyrate is greater than 36 mass ppm relative to the total mass of the monomer composition; and the α-olefin contains at least one selected from the group consisting of 2-ethyl-1-hexene, 1-octene, and 1-dodecene.