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594 results about "Solvent based" patented technology

Solvent-based coatings. Solvent-based paints are made up of liquefying agents that are meant to evaporate via a chemical reaction with oxygen. Typically, moving air surrounding a solvent-based coating will help to speed up the reaction, reducing drying times. These coatings have one major advantage over water-based coatings.

Preparation method of particle decoration electrostatic spinning anticorrosive coating with corrosion early warning and self-repairing functions

The invention provides research and development of an early warning and self-repairing anticorrosive coating based on nanofibers, and the coating can realize timely self-early warning and self-repairing, so that people can timely discover and maintain a damaged part. A shell solution of the synthesized core-shell nanofiber is mainly prepared from a polymer shell material, a shell material spinning aid and a shell material solvent according to the mass ratio of 1: (01-1): (5-15); the core solution is mainly composed of a core material and a core material solvent, and parameters such as the feeding sequence, the heating temperature range, the stirring speed and the reaction time are optimized. A coaxial spinning mode is adopted in electrostatic spinning, and parameters such as voltage, liquid outflow speed and receiver moving speed in the electrostatic spinning process are optimized. The synthesized fiber structure is complex and interwoven together, so that the internal material has extremely high flowability. The coating is formed by mixing industrial epoxy resin, epoxy resin monomers, a curing agent and a diluent according to the mass ratio of 1: (0.2-1): (0.2-1.5). The coating added with the nanofibers has early warning and self-repairing performance at the same time, early warning of the coating material on corrosion under the coating can be achieved, external intervention is not needed, self-repairing is achieved, and important research significance and application prospects are achieved.
Owner:OCEAN UNIV OF CHINA

Polysiloxane epoxy hybrid environment-friendly coating and preparation method thereof

The invention belongs to the technical field of coatings, and relates to a polysiloxane epoxy hybrid environment-friendly coating and a preparation method thereof. The coating belongs to an environment-friendly solvent type coating with low VOC content, modified epoxy resin is adopted as a base, auxiliaries such as a film-forming agent and a dispersing agent are added, and benzophenone and tertiary amine composite photoinitiator is supplemented, so that the prepared coating has good corrosion resistance, high temperature resistance and the like, and the coating can quickly form a film at normal temperature and under the UV illumination condition, shortens the curing period, and is suitable for large-scale popularization and application. The emission of VOC (volatile organic compounds) is reduced.
Owner:AMBASSADOR PAINT (ANHUI) CO LTD +2

Composite film material with lasting fragrance, preparation method and application of composite film material in sticky note

The invention discloses a composite film material with lasting fragrance, a preparation method and application of the composite film material in sticky notes, and belongs to the technical field of composite film materials. The composite film material is composed of a PET layer, a bonding layer and a CPP layer; the PET layer comprises PET resin, composite filler, a coupling agent, an antioxidant, an ultraviolet light absorber, a heat stabilizer and a light stabilizer; the bonding layer is composed of a solvent type polyurethane adhesive; the CPP layer comprises PP resin, a modified filler, microcapsule essential oil, a coupling agent, an antioxidant, an ultraviolet light absorber, a heat stabilizer and a light stabilizer; the composite film material prepared by the invention not only has lasting fragrance, but also has strong binding force with a writable coating, high strength, good dimensional stability and high transparency.
Owner:JIAXING HUASHAN STATIONERY MFG CORP LTD +1

Positioning environment-friendly laser transfer film

The invention relates to the field of packaging materials, in particular to a positioning environment-friendly laser transfer film which is composed of a base film layer, a laser information layer and an aluminum plating layer. The laser information layer is prepared from the following raw materials in parts by weight: 60 to 70 parts of waterborne polyurethane acrylic resin emulsion, 10 to 15 parts of photo-initiation waterborne alkyd resin, 8 to 12 parts of dipentaerythritol hexaacrylate, 0.1 to 1 part of polyether modified polysiloxane surfactant, 1 to 5 parts of aminated nano titanium dioxide and 1 to 3 parts of functional additive. The water-based laser coating is used for replacing a solvent type coating to prepare the laser information layer, the problems that the solvent type coating is poor in environmental protection performance and poor in safety are effectively solved, and green, efficient and safe production of the vacuum aluminum plating packaging material is achieved.
Owner:HUNAN TAILI HENGYOU TECH DEV CO LTD

Colorful TPO interior foot pad skin and preparation method thereof

The invention discloses a colorful TPO interior foot pad skin and a preparation method thereof, and relates to the technical field of automobile interiors. The surface functional layer is used for improving wear resistance, the colorful pattern layer is used for presenting a visual effect, and one surface, far away from the base material layer, of the bottom layer structure is of a 3D net-shaped structure; the surface functional layer comprises matte water-based PUD resin, matte water-based PUA resin, a wear-resistant additive, a cross-linking agent and a diluent; the colorful pattern layer comprises water-based or solvent-based poly-carbon type polyurethane resin, water-based or solvent-based color paste and auxiliaries; the base material layer comprises modified TPO resin, nano calcium carbonate, a light stabilizing aid and a pigment; the bottom layer structure comprises modified TPE, an AC foaming agent and a DCP cross-linking agent; through the innovation of the composite structure, the colorful pattern layer design, the environment-friendly TPO base material, the net-shaped bottom layer structure and the like, on the basis of meeting functional requirements, light weight and personalized upgrading of the foot pad skin are achieved.
Owner:SUZHOU GREENTECH CO LTD

Packaging material, method for manufacturing same, and packaging bag

PCT designated stage expiredWO2025154535A1Flexible coversWrappersPolymer scienceSolvent free
This packaging material has a structure in which a transparent vapor-deposited barrier film, a stretched nylon film, and an unstretched polypropylene film are laminated in this order. The transparent vapor-deposited barrier film and the stretched nylon film are laminated with an adhesive layer formed of a cured product of a solventless adhesive agent therebetween. The ratio of the Young's modulus in the MD direction of the unstretched polypropylene film with respect to the thickness of the unstretched polypropylene film is 9.0 MPa / μm or more.
Owner:TOPPAN HOLDINGS INC

Preparation method of water-based solvent-free polyurethane synthetic leather

The invention discloses a preparation method of water-based solvent-free polyurethane synthetic leather, and belongs to the technical field of polyurethane synthetic leather, and the preparation method comprises the following steps: S1, coating the surface of a release surface of release paper with surface layer slurry, after the surface layer slurry stands until the surface is flat, covering the surface of the surface layer slurry with a toughening net layer, heating and drying the surface layer slurry to obtain a synthetic leather surface layer, and embedding and fixing the toughening net layer on the surface of the synthetic leather surface layer; s2, the face, inlaid with the toughening net layer, of the synthetic leather surface layer is coated with foaming slurry, and the foaming slurry is heated to be foamed to form a foaming core layer; s3, base cloth is bonded to the surface of the foaming core layer and then dried, the release paper is stripped after drying, and the polyurethane synthetic leather composed of the synthetic leather surface layer, the toughening net layer, the foaming core layer and the base cloth is obtained; according to the polyurethane synthetic leather disclosed by the invention, the comfort in the use process is improved through thermal management and good internal softness and elasticity.
Owner:FOSHAN GAOMING SHANGANG TECH CO LTD +1

Composition for PVD rubbing and preparation method and application thereof

The invention discloses a composition for PVD (Physical Vapor Deposition) rubbing as well as a preparation method and application thereof. Raw materials of the composition for PVD rubbing comprise the following components in parts by weight: 10-20 parts of a solvent type acrylate oligomer; 10 to 20 parts of bifunctional polyester acrylate resin; 10 to 20 parts of trifunctional polyester acrylate resin; 1 to 5 parts of aliphatic polycarbonate type polyurethane acrylate; 1 to 5 parts of trimethylolpropane triacrylate; and 1-3 parts of a photoinitiator. When the composition for PVD rubbing is applied to a PVD rubbing primer, the composition has the effects of clear rubbing texture and stable performance.
Owner:HUNAN SOKAN NEW MATERIALS CO LTD

Dissolution apparatus, foreign matter separation system and dissolution method

A dissolution apparatus configured to dissolve a waste resin in a dissolution tank with a solvent. The dissolution apparatus includes: a supply device configured to supply the waste resin and the solvent into the dissolution tank; a heating device configured to heat the waste resin and the solvent supplied to the dissolution tank; a stirrer configured to stir the waste resin and the solvent, heated by the heating device; a torque sensor configured to detect a load torque acting on the stirrer; and a microprocessor. The microprocessor is configured to perform: calculating a viscosity of a solution of the waste resin and the solvent based on the load torque detected by the torque sensor, and controlling at least one of the supply device and the heating device such that the viscosity calculated in the calculating becomes less than a predetermined value.
Owner:HONDA MOTOR CO LTD

Solvent-free DHA algal oil extraction, decoloration and deodorization equipment

The utility model relates to the technical field of algae oil DHA (docosahexaenoic acid) treatment, and discloses a Fischer-solvent type DHA algae oil extraction, decoloration and deodorization device which comprises an evaporation bottle, a supporting frame used for supporting the evaporation bottle is arranged at the bottom of the evaporation bottle, and a heat conduction disc used for absorbing heat is fixedly installed at the bottom of the evaporation bottle. A conical diffusion pipe is fixedly mounted at the top of the evaporation bottle, the adsorber is fixedly mounted at the top of the diffusion pipe and is used for adsorbing pigments and peculiar smells so as to achieve the decoloration and deodorization effects, and the collector is fixedly mounted at the top of the adsorber and is used for collecting the peculiar smells. The collector is used for collecting condensed waste liquid, so that the situation that steam carries impurities to fall into the evaporation bottle after being condensed is avoided, through mutual cooperation of the structures, pigments and peculiar smells contained in algae oil can be effectively removed in the using process, the taste and quality of the algae oil can be conveniently improved, and the algae oil evaporation device is more practical.
Owner:TADPOLE JINGYAN BIOTECHNOLOGY (SUZHOU) CO LTD

Water-based thermal insulation coating

The invention relates to a water-based thermal insulation coating. The invention discloses a water-based thermal insulation coating composition which comprises water-based resin, a coalescing agent and a thermal insulation agent. The water-based resin is selected from at least one of material groups consisting of acrylic resin, polyurethane resin and epoxy resin. The aqueous resin has a minimum film formation temperature of not less than 5 DEG C. The coalescing agent is selected from at least one of a material group consisting of a plasticizer, an alcohol ether solvent, an alcohol ester solvent, a mixed solvent of ethylene glycol monobutyl ether and dipropylene glycol butyl ether, and an aprotic solvent. And the heat insulation agent is hydrated silicon dioxide. Therefore, the water-based heat insulation coating has the technical effect of reducing carbon emission, can replace the traditional solvent type coating, and has a heat insulation function.
Owner:NANYA PLASTICS CORP

Quantum dot, curable composition comprising the same, cured layer using the composition, color filter including the cured layer, display device including the cured layer and method of manufacturing the cured layer

A quantum dot surface-modified with a ligand, a non-solvent curable composition including the quantum dot, a solvent-based curable composition including the quantum dot, a cured layer manufactured utilizing the curable composition, a color filter including the cured layer, a display device including the color filter, and a method of manufacturing the cured layer are disclosed.
Owner:SAMSUNG SDI CO LTD

High-efficiency waterproof system based on AI technology and application method

An AI technology-based high-efficiency waterproof system comprises a reinforced protective layer (1), a self-adaptive waterproof layer (2), an intelligent sensing system (3) and an intelligent control system (4), and is characterized in that the reinforced protective layer (1) is a solvent type waterproof coating; the self-adaptive waterproof layer (2) comprises a plurality of microcapsules (5); the intelligent sensing system (3) is characterized in that a humidity sensor (7) is embedded into a self-adaptive waterproof layer; the intelligent control system (4) comprises an intelligent terminal (9) and a wireless communication control module (10), and remote monitoring and management of the waterproof system are achieved. The high-efficiency waterproof system based on the AI technology and the application method have the advantages that through AI intelligent control and advanced technical materials, high-efficiency waterproof protection of the building is achieved, the waterproof performance of the building is greatly improved, the waterproof position is maintained in time, the service life of the building is prolonged, the construction process is simplified, and the labor cost is reduced.
Owner:CHINA MCC5 GROUP CORP LTD

Environment-friendly silk-screen printing ink diluent based on propylene carbonate and dimethyl carbonate and preparation method of environment-friendly silk-screen printing ink diluent

The invention relates to the technical field of printing materials, in particular to an environment-friendly silk-screen printing ink diluent based on propylene carbonate and dimethyl carbonate, which comprises dimethyl carbonate and propylene carbonate, and the dimethyl carbonate and the propylene carbonate are compounded according to a certain proportion. The diluent further comprises a synergistic solvent and a functional additive which are added according to a certain proportion. The environment-friendly silk-screen printing ink diluent formula for silk-screen printing ink and the preparation method of the environment-friendly silk-screen printing ink diluent formula are particularly suitable for viscosity adjustment and printability optimization of solvent type oil black, have the characteristics of low volatility and high solubility, and solve the problems of high toxicity of a traditional solvent, poor stability of a compound system, insufficient printability and the like.
Owner:CHANGXING XINGYING GLASS FIBER TECH CO LTD

Environment-friendly water-based polycarbonate printing resin slurry as well as preparation method and application thereof

The invention relates to environment-friendly water-based poly-carbon printing resin slurry as well as a preparation method and application thereof. The environment-friendly water-based poly-carbon printing resin slurry is prepared from the following components in parts by weight: 100 parts of water-based poly-carbon printing resin, 1-10 parts of water-based color paste and 0.6-1.5 parts of a crosslinking curing agent, the cross-linking curing agent comprises a water-based blocked aliphatic polyisocyanate cross-linking agent and a hydrophilic modified isocyanate curing agent. The environment-friendly water-based polycarbonate printing resin slurry provided by the invention has better bonding performance with a synthetic leather base material, can be comparable with a solvent type resin printing slurry, has better environment-friendly performance and is odorless, printed patterns can meet the hydrolysis resistance requirement for 5-7 years, and the color of the leather surface printing resin is not discolored at constant temperature and humidity (70 DEG C * 95% RH * 5W).
Owner:ANHUI ANLI MATERIAL TECH

Method for predicting lignin separation and extraction effect of eutectic solvent based on machine learning

The invention discloses a method for predicting the lignin separation and extraction effect of a deep-eutectic solvent based on machine learning. The method comprises the following steps: constructing a sample database containing characteristic parameters such as hydrogen bond acidity, hydrogen bond alkalinity and polar surface area of the deep-eutectic solvent and a lignin removal rate; based on a solvent molecular structure, key characteristic variables influencing the lignin removal rate are extracted; a Stacking integration algorithm is adopted, Xgboost, RF and SVM are taken as base learners, CNN is taken as a meta learner, and a machine learning prediction model taking the removal rate as a target variable is constructed; performing hyper-parameter tuning by adopting five-fold cross validation, and constructing a machine learning prediction model; explaining the model by using an SHAP method, generating a feature importance ranking map and an SHAP value distribution map, and intuitively displaying the influence of key variables on the lignin extraction removal rate; finally, the lignin removal effects of different eutectic solvent systems are predicted through a machine learning model, and the solvent composition proportion is adjusted in combination with feature analysis so as to optimize the separation process.
Owner:KUNMING UNIV OF SCI & TECH

Solvent-free polyurethane adhesive production filtering device

The utility model provides a solvent-free polyurethane adhesive production filter device, which relates to the technical field of polyurethane adhesive production and comprises a material injection pipe, a buffer bin is mounted at the bottom of the material injection pipe, a filter bin is mounted on one side of the buffer bin, and a center rod is inserted into the buffer bin and the filter bin. A coarse filtration hole is formed in the side, close to the buffer bin, of the filter bin, a fine filtration barrel is installed on the inner wall of the filter bin, a scraper is installed on the surface of the side, close to the fine filtration barrel, of the center rod, adhesive is conveyed into the buffer bin through a material injection pipe, and after the buffer bin is filled with the adhesive, the adhesive can penetrate through the coarse filtration hole to enter the fine filtration barrel in the filter bin under the action of pressure; meanwhile, a central rod is driven by an external motor to rotate to drive a scraping plate to rotate in the fine filtering barrel, the scraping plate can concentrate impurities generated by the inner wall of the fine filtering barrel during filtering during rotation so as to avoid blockage of the fine filtering barrel, and the scraping plate can assist in pushing an adhesive to penetrate through the fine filtering barrel so as to enhance the filtering effect and shorten the filtering time.
Owner:HUANGSHAN TIANMA TEXTILE CO LTD

Antibacterial, anti-fouling and flame-retardant water-based paint for building external wall

The invention relates to the technical field of building coatings, in particular to an antibacterial, anti-fouling and flame-retardant water-based coating for a building outer wall. The solvent type building coating for the exterior wall is not environment-friendly and relatively single in function. Aiming at the technical problems, the invention provides the antibacterial, anti-fouling and flame-retardant water-based paint for the building external wall, and the defects that the traditional paint is single in performance, poor in durability and insufficient in environmental protection property are overcome through the molecular design of the multifunctional emulsion and the synergistic interaction of functional components; flame-retardant, anti-fouling and antibacterial structural functional units are introduced into the multifunctional modified acrylate emulsion at the same time, and the structural functional units cooperate and interact with one another, so that a molecular-level coating hierarchical structure of a flame-retardant core (HEMAP)-an anti-fouling layer (fluorosilicone)-an antibacterial shell is constructed; through interaction with other functional additives such as ADP, a photocatalyst and the like in a coating formula, the coating is endowed with relatively good comprehensive properties such as flame retardance, antibacterial property and pollution resistance.
Owner:CHANGZHOU VOCATIONAL INST OF ENG +1

Solvent-free anti-doodling cover agent as well as preparation method and application thereof

The invention relates to the technical field of coatings, in particular to a solvent-free anti-doodling cover agent as well as a preparation method and application thereof. The solvent-free anti-doodling finishing agent is prepared from the following raw materials in percentage by mass: 80 to 95 weight percent of solvent-free methyl phenyl silicone resin, 1 to 5 weight percent of a curing agent, 3 to 8 weight percent of an adhesion enhancer, 0.5 to 3 weight percent of an anti-doodling auxiliary agent and 0 to 6 weight percent of an optional delustering agent. The core is that the adhesion enhancer is an enhanced silane coupling agent and is prepared by carrying out molecular-level chemical bonding on a titanium compound, the silane coupling agent and a self-made antifouling agent. The finishing agent disclosed by the invention has the advantages of high adhesive force, excellent stain resistance, adjustable glossiness and the like, and is suitable for base material protection of various scenes such as building outer walls, household crystal plating and artistic coatings.
Owner:FOSHAN SITECH CHEM TECH

High-self-cleaning weather-resistant GRTV insulating coating for electrical equipment

The invention discloses a high-self-cleaning weather-resistant GRTV insulating coating for electrical equipment, which comprises the following components: a film-forming agent consisting of solvent-type fluororesin, hydroxyl-terminated polysiloxane, acrylic resin and polyether polyol, a reinforcing agent consisting of at least two of MQ silicon resin, silicon dioxide, silicon nitride and fluororesin micro powder, a filling agent consisting of aluminum oxide, a curing agent consisting of a curing agent and a solvent, the curing agent is composed of two or three components of tetraethoxysilane, methyltriacetamide silane, dimethyl diacetamide silane or dibutyltin oxide, and trichloroethylene or butyl acetate is used as an organic solvent; the anti-pollution flashover coating is good in adhesive force, excellent in electrical insulation performance, good in hydrophobicity, high in anti-pollution flashover capacity, excellent in mildew resistance, algae resistance and anti-burst scattering characteristic, good in self-cleaning performance and capable of better exerting the anti-pollution flashover efficiency under the conditions of high salinity, high humidity and heavy pollution, and the insulation strength is not affected by environment temperature and moisture.
Owner:XIAMEN HORSEDA POWER TECH CO LTD

Solvent type edible ink and preparation method thereof

PendingCN119614017Aimprove securityImprove printing stabilityInksBiotechnologySolvent based
The invention relates to the field of C09D11, in particular to solvent type edible ink and a preparation method thereof. The solvent type edible ink is prepared from the following raw materials: food essence auxiliary materials, edible spice A, edible spice B and emulsified edible pigment, the emulsified food coloring is prepared from the following raw materials: food coloring, water, edible spices and food essence auxiliary materials. According to the present invention, the edible pigment is prepared into the emulsified edible pigment, and the edible pigment is emulsified into the water-insoluble emulsified edible pigment through the water-in-oil system, such that the solvent type edible ink has characteristics of high water content printing, good printing smoothness, high pattern stability and excellent actual use effect.
Owner:武汉膳印科技有限公司

Low vocs uvioresistant heat insulation coating composition and performance testing device thereof

The present application relates to thermal insulation coating technical field, specifically to a kind of low VOCs ultraviolet resistant thermal insulation coating composition and its performance testing device, consisting of the following mass parts components: water-based acrylic resin 30-45 parts, nitrogen-doped graphene 1-3 parts, nano composite powder 2-5 parts, low water absorption and expansion glass microsphere 8-12 parts, silane coupling agent modified sepiolite 5-10 parts, silane coupling agent KH560 0.5-1.5 parts, ultraviolet absorber UV-9 0.3-0.8 parts, hydroxyethyl cellulose thickening agent 0.2-0.5 parts;Composition meets the following conditions: (1) VOCs content≤50g / L;(2) ultraviolet absorption rate≥95%;The present application realizes the purpose that VOCs content is far lower than traditional solvent type coating through the synergistic effect of water-based acrylic resin system and low water absorption and expansion glass microsphere, while nitrogen-doped graphene and nano ITO-SiO2 Composite powder form ultraviolet-infrared dual-effect shielding layer, ultraviolet absorption rate, infrared reflectivity greatly improve, solve the problem that traditional anti-UV coating function is single, VOCs is overproof.
Owner:SENGU (SHANDONG) NEW MATERIALS CO LTD

Low-cost temperature-resistant quick-drying polyether solvent adhesive and preparation method thereof

The invention discloses a low-cost temperature-resistant quick-drying polyether solvent adhesive and a preparation method thereof, and belongs to the field of polyurethane adhesives for composite flexible packages. The solvent type adhesive is prepared by mixing a component A and a component B according to a weight ratio of 1: (0.8-1.2), wherein the component A is hydroxyl-terminated resin obtained by carrying out polymerization reaction on a mixture of polyester polyol and polyether polyol and isocyanate; and the component B is isocyanate-terminated resin obtained by carrying out polymerization reaction on a mixture of two polyether polyols and isocyanate. By adjusting the proportion of polyester and polyether in the component A and the proportion of polyether polyol with different molecular weights in the component B, the temperature required for reaction of the component A and the component B is low, the reaction speed is high, the crosslinking degree of an adhesive film after reaction is high, and the polyether adhesive can be cured at low temperature, and is short in curing time and good in heat resistance.
Owner:NANTONG GAOMENG NEW MATERIAL

Low-viscosity solvent-free epoxy resin cementing material as well as preparation method and application thereof

The invention provides a low-viscosity solvent-free epoxy resin cementing material as well as a preparation method and application thereof. The solvent-free epoxy resin cementing material comprises the following components in parts by weight: 100 parts of solvent-free modified epoxy resin, 5-100 parts of a curing agent, 5-40 parts of a viscosity regulating agent, 0.2-5 parts of a curing regulator, 0-20 parts of a toughening material and 0.1-1 part of a defoaming agent. The cementing material disclosed by the invention has the characteristics of relatively low viscosity, wide applicable temperature range, high strength, low elastic modulus, excellent mechanical property, good toughness, good corrosion resistance, good aging resistance and the like, and good sealing capability on cement sheath microcracks; and the requirement for annulus under-pressure treatment under the complex working conditions of deep wells, ultra-deep wells, complex natural gas wells, gas storage wells, CCUS wells and the like can be met, and the application market is wide.
Owner:CHINA NAT PETROLEUM CORP +1

UV protective film for packaging substrate cutting and preparation method thereof

The invention belongs to the technical field of adhesive tapes, and particularly relates to a UV protective film for packaging substrate cutting and a preparation method thereof.The UV protective film comprises a PO base material layer, a non-solvent type UV viscosity-reducing adhesive layer and a PET release layer, and the non-solvent type UV viscosity-reducing adhesive layer is located between the PO base material layer and the PET release layer; the non-solvent type UV viscosity-reducing adhesive layer comprises the following components: an acrylate soft monomer, an acrylate hydroxyl monomer, an acrylate hard monomer, an acrylate monomer with a space crosslinking site, n-dodecanethiol, a photoinitiator and a photosensitive multifunctional group acrylate monomer. The non-solvent type UV viscosity-reducing adhesive layer is introduced, so that the preparation process is environment-friendly and free of solvent volatilization, the UV protective adhesive is high in viscosity and excellent in impact resistance before UV irradiation, the adhesive layer is stably attached before cutting, and the UV protective film is stripped at low stress and free of residual adhesive after irradiation.
Owner:DEBANG (KUNSHAN) MATERIAL CO LTD

Solvent-resistant polyurethane resin and preparation method thereof

The invention provides solvent-resistant polyurethane resin, which is prepared from the following substances in parts by mass: 60 to 90 parts of diol, 15 to 25 parts of diisocyanate, 3 to 8 parts of auxiliaries, 1.5 to 3 parts of 1, 4-bis (2-hydroxyethyl) piperazine, 2 to 4 parts of 2, 2-dimethylolpropionic acid, 0.5 to 2 parts of catalysts, 0 to 3 parts of 4, 4 '-dithiodibenzoic acid diglycidyl ester and 0 to 2 parts of sodium alginate. Meanwhile, the invention further provides a simple preparation method, and the prepared solvent-resistant polyurethane resin is low in soaking swelling rate, good in solvent resistance, high in tensile strength and simple in preparation process and can be applied to the industries such as chemical anticorrosive paint, printing ink and electronic packaging.
Owner:TAIZHOU HEXIN HIGH MOLECULAR NEW MATERIAL

Universal anticorrosive paint for water-oil primer and preparation method of universal anticorrosive paint

PendingCN119505643AAnti-corrosive paintsEpoxy resin coatingsPolymer scienceGraphene derivatives
The invention provides a water-oil primer universal anticorrosive coating and a preparation method thereof, and belongs to the technical field of anticorrosive coatings. The anticorrosive coating provided by the invention comprises a component A and a component B in parts by weight, and the mass ratio of the component A to the component B is (1-5): 1; the component A is prepared from 40 to 60 parts of water, 30 to 50 parts of waterborne epoxy resin, 1 to 5 parts of graphene derivative, 1 to 5 parts of lithium-containing phosphate, 3 to 10 parts of glass sand, 1 to 3 parts of silane coupling agent, 1 to 3 parts of potassium silicate, 1 to 2 parts of magnesium powder, 1 to 5 parts of nano filler, 1 to 3 parts of thickening agent, 1 to 5 parts of wetting agent and 1 to 3 parts of alkyl glycidyl ether; and the component B comprises 15-30 parts of a waterborne epoxy curing agent and 1-5 parts of an ether solvent. When the paint provided by the invention is coated on the surface of a water-based or solvent-based anti-corrosion primer, a coating with smooth quality can be formed, and the anti-corrosion coating formed after curing has excellent adhesive force and anti-corrosion effect.
Owner:CHENGDU BULEIDE TECH CO LTD

High-wear-resistance environment-friendly organic silicon leather and manufacturing process thereof

The invention discloses high-wear-resistance environment-friendly organic silicon leather and a manufacturing process thereof. The high-wear-resistance environment-friendly organic silicon leather comprises a base cloth layer, an organic silicon layer, a surface layer and an environment-friendly surface treatment layer which are sequentially arranged from bottom to top. The surface layer made of the thermoplastic elastomer material is arranged on the organic silicon layer, so that the organic silicon leather has high wear resistance and scratch resistance; and the surface layer is subjected to surface treatment by adopting high-frequency high-voltage discharge, so that the bonding strength of the surface layer and the organic silicon layer is ensured, and meanwhile, solvent type organic glue is avoided, and the surface layer is more environment-friendly.
Owner:JIANGSU SUN SCI NEW POLYMERIZATION MATERIAL CO LTD

Group iii-v colloidal quantum dots comprising different ligands, method for preparing eco-friendly solvent-based ink by using same, and optoelectronic device using same

The present invention relates to a ligand exchange technique for III-V group colloidal quantum dots. By employing a ligand surface treatment method, the invention facilitates the ligand exchange process in III-V group quantum dots while enhancing their solvent dispersibility. Furthermore, by substituting heterogeneous ligands, the invention enables the production of quantum dot ink based on environmentally friendly solvents and its application in device fabrication. Accordingly, the present invention proposes III-V group colloidal quantum dots incorporating heterogeneous ligands, a method for manufacturing environmentally friendly solvent-based quantum dot ink, and an optoelectronic device utilizing the ink.
Owner:KOREA UNIV RES & BUSINESS FOUND

Aspartic ester-terminated hyperbranched polysiloxane and heavy anti-corrosion coating thereof as well as preparation method and application of aspartic ester-terminated hyperbranched polysiloxane and heavy anti-corrosion coating

The invention belongs to the field of coatings, and particularly relates to an aspartic ester-terminated hyperbranched polysiloxane and a heavy anti-corrosion coating thereof, and a preparation method and application of the aspartic ester-terminated hyperbranched polysiloxane and the heavy anti-corrosion coating, the aspartic ester-terminated hyperbranched polysiloxane is hyperbranched resin which is composed of a polysiloxane Si-O-Si framework and has a three-dimensional space, and the aspartic ester-terminated hyperbranched polysiloxane contains secondary amino groups capable of being subjected to curing reaction with isocyanate. The preparation method comprises the following two steps: 1, carrying out Michael addition reaction on gamma-amino propyl triethoxy silane and diethyl maleate to obtain N-propyl triethoxy silane terminated by aspartate ester; and 2, carrying out hydrolytic condensation to obtain the aspartic ester terminated hyperbranched polysiloxane. Therefore, the aspartic acid ester coating of a high-solid-content solvent type and solvent-free system can be prepared, and the aspartic acid ester coating is used as a'primer-topcoat 'heavy anti-corrosion coating.
Owner:SICHUAN YUANLI MATERIAL TECH CO LTD