1238 results about "Alkoxyl radicals" patented technology

The invention provides a photosensitive resin composition containing a photobleaching aminomethyl anthracene photosensitizer and application thereof.The structural main body anthracene ring of the photosensitizer introduces an aminomethyl functional group to the 9th and / or 10th site: through introduction of the aminomethyl functional group, while the electron cloud density of polycyclic aromatic hydrocarbon is maintained, the maximum absorption wavelength is subjected to red shift, and the photosensitive resin composition is especially suitable for a 405nm illumination system; the initiation efficiency is obviously improved; the exposure energy is reduced; compared with an existing DBA type photoinitiator, the problem of alkoxy carbon-oxygen bond breakage caused by p-pi conjugation of DBA is avoided, generation of small molecule fragments is effectively inhibited, defects are reduced, and the yield is increased. In addition, compared with DPHA and DAcOA, the photosensitizer also shows better solubility and formula compatibility. The preparation method has the characteristics of simple preparation process and low cost, and can be widely applied to the photocuring fields of dry films, paints, coatings, printing inks, forming materials and the like.

The invention provides a photosensitive resin composition containing an anthracene methyl modified melamine photosensitizer, a photosensitive dry film and application of the photosensitive dry film, the photosensitizer adopts a melamine skeleton to connect three anthracene 9-methyl structures, and through a rigid structure of the melamine skeleton and a methylene bridging (-CH2-An) design of an anthracene group, the photosensitive resin composition has the remarkable advantages that the methylene bridging structure can be used for preparing a photosensitizer, and the photosensitizer can be used as a photosensitizer for photosensitization of the anthracene methyl modified melamine photosensitizer. The breakage of carbon-oxygen bonds on alkoxy caused by p-pi conjugation is avoided, so that the migration of small molecular fragments after initiation is reduced, permeable crystallization to a polyethylene protective film is effectively inhibited, and the risk of short circuit of a line is remarkably reduced; the light quantum yield can be greatly improved by introducing a plurality of light sensing units; the melamine skeleton is used, so that the adhesive force of the initiation system on the metal foil surface can be effectively improved; in addition, the photosensitizer also shows excellent solubility and formula compatibility, and can be widely applied to the photocuring fields of dry films, paints, coatings, printing inks, molding materials and the like.

The invention discloses a kind of preparation method of amino hyperbranched siloxane and its modified polyimide aerogel material.First, alkoxysilane X with amino active functional group, alkoxysilane Y of inactive functional group and water are carried out autocatalytic controlled hydrolysis condensation under sub-stoichiometric ratio, obtain multifunctional group (such as other active groups, alkoxyl group, amino) amino hyperbranched siloxane liquid (HPSi NH2) with controllable amino content, then using HPSi NH2 as cross-linking agent and anhydride-terminated polyamic acid solution reaction to obtain functionalized polyamic acid, which is stirred with tertiary amine and deionized water to obtain functionalized polyamic acid wet gel, which is passed through freeze drying, high temperature imidization treatment to obtain amino hyperbranched siloxane modified polyimide aerogel material. This material has excellent flexibility, resilience, heat resistance and flame retardancy, and can be applied to aerospace, communication, catalysis and filtration fields.

To provide: a method for producing an anti-thrombogenic material in which white turbidity is reduced; a method for producing a medical instrument coated with the anti-thrombogenic material produced by the method; and an anti-thrombogenic material in which white turbidity is reduced.SOLUTION: A method for producing an anti-thrombogenic material according to the present invention comprises a step of copolymerizing a specific alkyl (meth)acrylate, a silicone (meth)acrylate, and an alkoxy polyethylene glycol (meth)acrylate, wherein the silicone (meth)acrylate used here has a weight average molecular weight of 1450 or less.SELECTED DRAWING: None

A water-soluble unit dose article containing a non-soap anionic surfactant and non-ionic surfactant, where the non-ionic surfactant includes first and second alkoxylated alcohol non-ionic surfactants. A related process of laundering fabrics.

The invention provides a photo-thermal response T-type liquid crystal molecule, a preparation method thereof and application of the photo-thermal response T-type liquid crystal molecule to an intelligent window. The structural formula of the T-type liquid crystal molecule is shown in the formula (1). According to the technical scheme, the liquid crystal molecule is in a T type, an azobenzene structure in the liquid crystal molecule is subjected to reversible conversion of cis and trans under switching of ultraviolet light and visible light, and meanwhile, a molecular structure of 8CB and a butylene adipate structure can be subjected to phase change at room temperature, so that the molecule has a light response function, and meanwhile, the light response effect of the molecule is improved. The material also has a thermal response function at room temperature; besides passive control through light and heat, after electrification, liquid crystal molecules are arranged in order, an electric response function is achieved, and the intelligent window can be actively recovered to be transparent. The molecule not only has multiple responses, but also is a low-carbon environment-friendly material. According to the technical scheme, the alkoxy chain is linked to the side chain of the liquid crystal molecule, asymmetry is increased, the liquid crystal molecule has a richer phase structure, and the liquid crystal molecule has a huge development prospect in the field of intelligent windows.

The invention belongs to the technical field of pesticides, and particularly relates to a triazine ring substituted phenylsulfonyl urea compound, a preparation method therefor, a herbicidal composition and a use. The compound is as shown in general formula I, wherein Z is hydrogen or alkyl; R is alkyl, haloalkyl or alkoxy. The compound has excellent herbicidal activity on gramineous weeds, broadleaf weeds etc.

The invention relates to a conductive adhesive composition and a conductive article. In particular, the present invention provides a conductive adhesive composition. The present invention relates to a pressure sensitive adhesive composition comprising: a pressure sensitive adhesive matrix comprising at least one non-linear block copolymer comprising an aromatic terminal block and an aliphatic elastomer block; at least one hydrocarbon-based tackifying resin; at least one aromatic reinforced resin; and conductive particles dispersed within the matrix. In some cases, the composition further comprises: an adhesion promoter comprising an alkylalkoxysilane, an alkenylalkoxysilane, an alkylphosphonic acid, or an alkylcarboxylic acid; and optionally, a non-functionalized dipodal alkoxysilane, and a method for preparing the same. When the adhesion promoter comprises an alkyl alkoxysilane or an alkenyl alkoxysilane, a non-functionalized dipodal alkoxysilane is present. In other cases, the composition also includes an adhesion promoter comprising an organic molecule selected from the group consisting of organic compounds capable of forming a bond with the surface of the metal oxide. Also provided is a conductive article comprising a substrate and a conductive adhesive disposed on the substrate.

There is provided a method of making an alkoxy silicate-based aerogel material, the method comprising: hydrolysing an alkoxy silicate in a hydrolytic solvent to form a silica sol for a pre-determined period of time and at a pH of 1-4; mixing the silica sol with a basic solution to form a sol-gel; a first ageing the sol-gel; adding a surface-modifying agent to the sol-gel; a second ageing the sol-gel; and heating the sol-gel at a temperature of 120-250° C. to form the alkoxy silicate-based aerogel material, wherein the alkoxy silicate-based aerogel material has a thermal conductivity of <18 mW / mK. There is also provided an alkoxy silicate-based aerogel material formed from the method.

The invention belongs to the field of heat conduction materials, and particularly relates to gradient interface modified aluminum oxide-aluminum nitride bi-component heat conduction filler and a preparation method thereof, and the gradient interface modified aluminum oxide-aluminum nitride bi-component heat conduction filler comprises spherical aluminum oxide, flaky aluminum nitride and double gradient modified layers coating the surfaces of the spherical aluminum oxide and the flaky aluminum nitride; the D50 of the spherical aluminum oxide is 2-5 microns, and the sphericity is greater than or equal to 0.85; the sheet-shaped aluminum nitride is in a hexagonal sheet shape, the average particle size is 8-12 microns, the thickness is 200-500 nanometers, and the radius-thickness ratio is 20-50; the mass ratio of the spherical aluminum oxide to the flaky aluminum nitride is (40-70): (30-60); the double-layer gradient modification layer comprises an inner-layer hydrophobic silane layer and an outer-layer reactive silane layer, the inner-layer hydrophobic silane layer is formed by grafting alkyl trialkoxy silane with the carbon chain length of 8-16, the outer-layer reactive silane layer is formed by grafting a silane coupling agent containing an epoxy group or an amino group, and morphological complementary optimization of a filler network is achieved.

The invention relates to the technical field of organic synthesis and the technical field of fluorescent materials, in particular to a boron coordination salicylhydrazone double-state emission fluorophore as well as a preparation method and application of the boron coordination salicylhydrazone double-state emission fluorophore. The structure of the boron coordination salicylazone double-state emission fluorophore is shown as I, II or III; wherein R1 is selected from one of H, halogen atoms, diethylamino and thienyl, R2 is selected from one of H, halogen atoms, diethylamino and thienyl, and R3 is selected from one of aryl, 9, 9 '-spirobifluorenyl, alkoxy and halogen atoms. The boron coordination salicylazone double-state emission fluorophore is diversified in structure and good in solubility, has excellent photophysical properties and extremely high quantum yield, and also shows excellent biocompatibility and remarkable liposome targeting property at the same time. Moreover, the preparation method of the boron-coordinated salicylazone double-state emission fluorophore adopts a one-pot two-step method, is simple and convenient, is high in yield, is green and environment-friendly, and has a wide application prospect.

The invention provides polyurethane acrylic photosensitive resin, a preparation method thereof and application of the polyurethane acrylic photosensitive resin in a flexible display screen, and belongs to the field of high polymer materials. The preparation raw materials of the polyurethane acrylic photosensitive resin comprise diisocyanate, a macromolecular chain extender, a micromolecular chain extender, a first end-capping reagent, a second end-capping reagent, a catalyst, a polymerization inhibitor and an active diluent, the macromolecular chain extender is polyester polyol, the micromolecular chain extender is micromolecular dihydric alcohol, the first end-capping reagent is polyether polyol, and the second end-capping reagent is polyether polyol. The first end-capping reagent is acrylic ester containing hydroxyl, and the second end-capping reagent is alkoxy silane containing reactive hydrogen. According to the polyurethane acrylic photosensitive resin disclosed by the invention, a flexible display screen can have high-temperature bending resistance and is free of creases when being bent.

The invention belongs to the technical field of biological medicine, and particularly relates to a 2-hydroxy-6-alkoxy quinoline compound and application thereof, and the structure of the compound is shown as a formula (I) or a formula (II). The 2-hydroxy-6-alkoxy quinoline compound provided by the invention has a remarkable inhibition effect on phosphodiesterase type 3 (PDE3); moreover, the 2-hydroxy-6-alkoxy quinoline compound provided by the invention has good drug-like properties such as water solubility, liver stability, bioavailability and the like, can be applied to preparation of drugs for treating PDE3 related diseases, and provides a selectable range for the drugs for treating the PDE3 related diseases.

The invention provides a preparation method and application of an asymmetric dicyclopentadienyl dialkoxy zirconium compound, and the preparation method comprises the following steps: (1) mixing a solvent with ZrCl4 and sodium cyclopentadienyl CpNa, and carrying out a reaction to obtain CpZrCl3; (2) the CpZrCl3 obtained in the step (1) and R1 substituted sodium cyclopentadienyl R1CpNa are subjected to a mixed reaction, and (R1Cp) CpZrCl2 is obtained; and (3) mixing the (R1Cp) CpZrCl2 obtained in the step (2) with alkoxy sodium salt R2Na, and carrying out a reaction so as to obtain the asymmetric dicyclopentadiene dialkoxy zirconium compound. According to the method, the substitution reaction of three sodium salts is used for replacing the ligand replacement reaction in the prior art, so that the reaction steps are shortened, the use of unnecessary raw materials is avoided, the production cost is reduced, and the obtained target product is high in yield and high in purity.

The invention relates to the technical field of super-hydrophobic materials, and particularly discloses a super-hydrophobic coating spraying liquid, a preparation and construction method thereof and a super-hydrophobic coating. The super-hydrophobic coating spraying liquid provided by the invention is prepared from the following components: nano SiO2 which is modified by a silane coupling agent containing amino / alkoxy and a silane coupling agent containing long fluorine chain / long-chain alkane step by step, microcapsules which are sequentially modified by the silane coupling agent containing amino / alkoxy and a dispersing agent for the second time, and a solvent which is added into the microcapsules, and a thermosetting resin. The nano SiO2 and the microcapsules which are subjected to multiple modification have good hydrophobicity, and nano metal particles loaded in the microcapsules form an anti-algae active center of the super-hydrophobic coating. And the super-hydrophobic coating prepared by using the super-hydrophobic coating spraying liquid organically combines hydrophobicity and an anti-algae active center together, so that an efficient and long-acting anti-algae effect can be realized, and the problems of short pollution flashover prevention time and poor algae removal performance of the existing super-hydrophobic coating are solved.

The invention discloses a bio-based non-cured asphalt waterproof coating and a preparation method thereof, the bio-based non-cured asphalt waterproof coating comprises the following components by weight: 27-34 parts of asphalt; 15 to 18 parts by weight of softening oil; 1.5 parts by weight to 2.5 parts by weight of a rubber modifier; 1.5 to 2.5 parts by weight of a temperature-resistant auxiliary agent; 45 parts by weight to 54 parts by weight of an inorganic filler; 0.455 to 2.75 parts by weight of a modified bio-based carbon aerogel; the modified bio-based carbon aerogel is prepared from amino alkyl alkoxy silane and biomass carbon aerogel through a reaction. According to the bio-based non-cured asphalt waterproof coating, the heat insulation effect of the biomass aerogel is utilized, and the modified bio-based carbon aerogel is combined with the components of the traditional non-cured asphalt waterproof coating, so that the bio-based non-cured asphalt waterproof coating has a waterproof effect and also has a good heat insulation effect.

The invention relates to the field of lithium metal batteries, and provides a lithium metal battery, a manufacturing method thereof and electric equipment, which are at least beneficial to realizing stable work of a high-voltage lithium metal battery in a wide electrochemical window. The manufacturing method comprises the following steps: forming an initial battery cell; injecting a first electrolyte containing lithium nitrate, a lithium salt and an ether organic solvent into the initial cell; performing a first formation process; injecting a second electrolyte containing fluoroethylene carbonate, a lithium salt, a cyclic phosphazene derivative and a nitrile organic solvent into the initial cell; wherein the structural formula of the cyclic phosphazene derivative is shown in the specification, or R1-R8 are independently selected from alkoxy, cyano-containing alkoxy or fluorine-containing alkoxy, and at least one cyano-containing alkoxy and one alkoxy or fluorine-containing alkoxy exist in R1-R6; and performing a second formation process.

The invention provides a light conversion adhesive film composition, a light conversion adhesive film and a photovoltaic module. The light conversion adhesive film composition comprises the following components in parts by weight: 100 parts of matrix resin, 0.01-10 parts of an organic polymer light conversion agent and 0.01-10 parts of an auxiliary agent, the organic polymer light conversion agent is formed by copolymerization of a light conversion agent monomer shown in a formula I and a silane coupling agent containing a carbon-carbon double bond, # imgabs0, R1 is substituted or non-substituted C2-C30 alkyl, and R1 at least comprises a terminal carbon-carbon double bond; r < 2 > and R < 3 > are respectively and independently selected from any one of substituted or non-substituted alkyl of C1 to C30, substituted or non-substituted alkoxy of C1 to C30, substituted or non-substituted aryl of C6 to C30, substituted or non-substituted heteroaryl of C4 to C30, amido, carboxyl and hydroxyl; according to the technical scheme, the problems that a preparation method of the high-stability light conversion agent is complex in preparation process and high in cost are solved.

A volatile composition dispenser includes a reservoir comprising a volatile composition; and an evaporative surface in fluid communication with the reservoir. The volatile composition comprises a first fragrance material that is a meta-(C1-C4 alkoxy)salicylaldehyde, and the first fragrance material is present in an amount of at least 0.0005%, by weight of the volatile composition. A process of treating an environment with a volatile composition dispenser includes providing a volatile composition dispenser and providing the meta-(C1-C4 alkoxy)salicylaldehyde to the environment. A weight loss of the volatile composition over less than 11 days ranges from 7% to 20%.

The invention belongs to the technical field of polymer materials and binders, and discloses a polyurethane modified acrylic ceramic tile binder and a preparation method thereof. The polyurethane modified acrylic ceramic tile adhesive comprises a liquid material and a powder material, the liquid material comprises a silicone acrylic emulsion and an organic silicon modified polyurethane emulsion; the powder material comprises Portland cement, quartz sand and white carbon black. The organic silicon modified polyurethane emulsion is obtained by carrying out copolymerization reaction and emulsification on an alkoxy silane modified hydroxyl-terminated polybutadiene prepolymer, polyether glycol, micromolecular dihydric alcohol and diisocyanate in the presence of an organic tin catalyst. The organic silicon modified polyurethane emulsion contains an organic silane oxygen group capable of being hydrolyzed and cross-linked, and can be subjected to a hydrolysis cross-linking reaction with an organic silicon coupling monomer in a silicone acrylic emulsion, so that the compatibility of polyurethane and an acrylic polymer is improved, and the modification effect is improved.

The present invention is relates to a compound of formula (I), wherein X1, X2 and X3 are, independently of each other, N or CH; with the proviso that at least two of X1 X2 and X3 are N; Y is N or CH; W is H or F; with the proviso that when W is F, then X1, X2 and X3 are N; R1 and R2 are independently of each other (i) a morpholinyl of formula (II) wherein the arrow denotes the bond in formula (I); and wherein R3 and R4 are independently of each other H, C1-C3alkyl optionally substituted with one or two OH, C1-C2fluoroalkyl, C1-C2alkoxy, C1alkoxyC1-C3alkyl, CN, or C(O)O-C1-C2alkyl; or R3 and R4 form together a bivalent residue -R5R6- selected from C1-C3alkylene optionally substituted with 1 to 4 F, -CH2-O-CH2-, -CH2-NH-CH2-, or any of the structures wherein the arrows denote the bonds in formula (II); or (ii) a saturated 6-membered heterocyclic ring Z selected from thiomorpholinyl and piperazinyl, optionally substituted by 1 to 3 R7; wherein R7 is independently at each occurrence C1-C3alkyl optionally substituted with one or two OH, C1-C2fluoroalkyl, C1-C2alkoxyC1-C3alkyl, C3-C6cycloalkyl; or two R7 substituents form together a bivalent residue-R8R9- selected from Ci-C3alkylene optionally substituted with 1 to 4 F, -CH2-O-CH2- or -O-CH2CH2-O-; with the proviso that at least one of R1 and R2 is a morpholinyl of formula II; and prodrugs, metabolites, tautomers, solvates and pharmaceutically acceptable salts thereof, for use in the prevention or treatment of a skin lesion in a subject.

The invention provides a water-based binder, a preparation method and application thereof, negative electrode slurry, a negative electrode plate and a lithium ion battery, and relates to the technical field of lithium ion batteries. The water-based binder is obtained by free radical polymerization of a hard monomer, a soft monomer, a functional monomer and an interface modification monomer according to the mass ratio of (40-60): (30-50): (8-20): (0.5-5). The interface modification monomer comprises a small molecule compound with more than two functional groups; and the small molecule compound with more than two functional groups per se or after hydrolysis comprises at least two functional groups of hydroxyl, carboxyl, amido, ester group, acylamino, alkoxy or epoxy group. The aqueous binder provided by the invention can provide enough bonding strength in a silicon-based negative electrode of a lithium ion battery so as to inhibit the phenomenon of interface crushing and demolding in a circulation process, and can meet the requirement of high-solid-content homogenate and good liquid absorbency so as to improve the overall performance of the battery.

The invention discloses a low-temperature cured polyurethane varnish resin for automobiles and a preparation method thereof, and belongs to the technical field of chemical product processing, the low-temperature cured polyurethane varnish resin comprises a resin matrix and a curing agent, the resin matrix comprises a component A and a component B. The component A comprises a crosslinking system A1, a crosslinking system A2 and an auxiliary agent, the component B is a curing activity regulator of a double-crosslinking system of the crosslinking system A1 and the crosslinking system A2; the curing agent is diethyl malonate blocked isocyanate; the cross-linking system A1 is mainly composed of hydroxy acrylic resin containing beta-diketone metal ligand and a bismuth neodecanoate catalyst; the bismuth neodecanoate catalyst and a beta-diketone metal ligand form a bismuth complex; the cross-linking system A2 is mainly composed of hydroxyl acrylic resin containing alkoxy silane groups; the component B is prepared from poly (decane-4, 6-diyne diacid) modified nano porous fibers and a silane coupling agent. The service life of the varnish is prolonged on the basis of ensuring low-temperature rapid curing.

The present invention discloses a class of rutaecarpine derivatives or their pharmaceutically acceptable salts with multi-target anti-tumor activity, and the general structural formula is shown as Formula I or Formula II: #imgabs0# Wherein: R1 is selected from C1-C5 alkoxy, hydroxyl, hydrogen; R2 is selected from hydrogen, halogen; R3 is selected from hydroxyl, #imgabs1# Through enzyme inhibition activity and in vitro anti-tumor activity tests, it was found that the compounds of the present invention have strong inhibitory activities against topoisomerase 1, topoisomerase 2 and c-MYC oncogene, opening up a new way and providing a new strategy for in-depth research and development of anti-tumor drugs with new structural types.

The application discloses a kind of hydrolysis-resistant acetylacetamide modified polyvinyl alcohol and preparation method thereof, and the preparation method comprises the following steps: double vinyl ketone and first and alcohol amine compound are reacted to generate N-(hydroxyalkyl) acetylacetamide intermediate;Then trichloro cyanogen and N-(hydroxyalkyl) acetylacetamide intermediate are reacted to generate 3,5-bis[acetylacetamide alkoxyl] monochloro s-triazine;Finally, 3,5-bis[acetylacetamide alkoxyl] monochloro s-triazine is reacted with PVA in polar solvent to generate AAM-PVA.The AAM-PVA prepared in the application can be used as a protective colloid for polyvinyl acetate emulsion polymerization, and the prepared emulsion adhesive has obvious improvement in water resistance, tensile strength and stability;The raw materials of the application are cheap and easy to obtain, the preparation process is simple, the reaction conditions are mild, and there is no waste water and waste gas emission.

The present invention provides an isoxazoline-substituted benzamide compound and a stereoisomer and agriculturally or veterinarily acceptable salt thereof. The compound is as represented by formula (I). In the formula, X represents hydrogen, halogen, hydroxyl, alkoxy, or alkylthio; Y is hydrogen, halogen, alkyl, or haloalkyl; Z is haloalkyl or haloalkoxy; M is CH or N; Q is hydrogen or halogen; R1 is hydrogen, halogen, hydroxyl, cyano, amino, nitro, formyl, cyanoalkyl, hydroxyalkyl, alkyl, etc.; and R2 is hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, etc. The compound has an excellent control effect on pests such as Spodoptera frugiperda, Myzus persicae, Nilaparvata lugens, Tetranychus truncates, and Bradysia odoriphaga.

A process includes the steps: (a) providing a base emulsion; (b) providing a catalyst emulsion; (c) providing a stabilizer selected from silicone polyethers, alkyl alkoxylates, olefinic alkoxylates and polyvinyl alcohols; and (d) combining the base emulsion, catalyst emulsion and stabilizer together to form a curable silicone emulsion.

The present invention provides a photosensitive resin composition containing a photo-bleachable aminomethyl anthracene photosensitizer and its applications. An aminomethyl functional group is introduced at the 9- and / or 10-positions of the anthracene ring, which is the main structure of the photosensitizer. By introducing the aminomethyl group, while maintaining the electron cloud density of the polycyclic aromatic hydrocarbon, the maximum absorption wavelength is red-shifted, especially suitable for the 405 nm light irradiation system, significantly improving the initiation efficiency and reducing the exposure energy. Compared with the existing DBA-type photoinitiators, the problem of the cleavage of the alkoxy carbon-oxygen bond caused by p-π conjugation in DBA is avoided, effectively inhibiting the generation of small molecule fragments, reducing defects and improving the yield. Compared with DPHA and DAcOA, this photosensitizer also exhibits better solubility and formulation compatibility. The present invention has the characteristics of simple preparation process and low cost, and can be widely applied to the field of photocuring such as dry films, paints, coatings, inks and molding materials.

The invention relates to the technical field of organic polymer materials, and particularly discloses a preparation method of smooth spherical elastomer particles. The preparation method comprises the following steps: firstly, respectively preparing a pre-dispersed emulsion I and a pre-dispersed emulsion II, and then preparing the pre-dispersed emulsion I and the pre-dispersed emulsion II into the spherical polydimethylsiloxane cross-linked polymer particle dispersion liquid. And cooling the spherical polydimethylsiloxane cross-linked polymer particle dispersion liquid to 1-5 DEG C, adding a methyl alkoxy oligomer according to the weight part ratio of the spherical polydimethylsiloxane cross-linked polymer particle dispersion liquid to the methyl alkoxy oligomer of 100: (3-10), uniformly dispersing, heating to 55-60 DEG C, carrying out heat preservation reaction for 2-4 hours, separating to obtain wet particles, and drying to obtain the spherical polydimethylsiloxane cross-linked polymer particles. The smooth spherical elastomer particles are obtained. The method provided by the invention can improve the dispersibility and fluidity of the spherical elastomer particles.

The invention discloses alkoxy amine and application of the alkoxy amine in induction of NMP (N-Methyl Pyrrolidone) polymerization of methacrylate monomers and styrene monomers. The alkoxy amine is a novel compound which is synthesized by taking benzaldehyde and isopropylamine as raw materials through three-step reaction of Schiff base reduction, oxidizing agent oxidation and free radical coupling. The obtained alkoxyamine can be used as a monomolecular initiator to effectively regulate and control controllable polymerization of methacrylate and styrene monomers under anaerobic or aerobic conditions, and the peak pattern of a gel chromatography outflow curve is symmetrical and has no obvious tailing phenomenon, so that the alkoxyamine can expand the range of nitroxide free radical polymerization regulation and control monomers, and the preparation method is simple and easy to implement. The method has a good application prospect in the aspect of synthesis of functional polymer materials.