274 results about "Solvent based" patented technology

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.

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.

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.

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.

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.

The invention relates to a method for sealing a substrate, comprising at least steps 1) and 3), by applying at least part of a solvent-based composition to a surface of the substrate to at least part form a film (1) on said surface, applying at least part of a sealant composition to the film obtained after step 1) to form a sealant film (3), wherein the sealant composition is obtainable by mixing at least two components A) and B) of a sealing system, which are present separately, with one another, the solvent-borne composition applied in step 1) comprising at least one aliphatic hydrocarbon as an organic solvent component a1) in an amount of at least 70.0 wt.-%, based on the total weight of the composition, at least one organometallate as component a2) in an amount of at least 70.0 wt.-%, based on the total weight of the composition, the present invention relates to a method for preparing a solvent-borne composition comprising at least one metal acid salt, the metal of which is selected from Ti and Zr, and at least one organosilane as component a3), sealing substrates obtainable by this method, the use of this solvent-borne composition as an adhesion promoting composition, the solvent-borne composition itself, and a kit comprising said solvent-borne composition.

The invention discloses a method for removing a coating in fiber content analysis of coated fabric, and aims to solve the problems that an existing coating removing method is unclear in damage to various fibers, and a large result deviation risk exists when the removing method is adopted. According to the technical scheme, the method is characterized by comprising the following steps: S1, deleting and selecting a potential solvent based on polarity matching: putting a plurality of groups of textile samples provided with coatings into a conical flask, respectively adding a candidate solvent capable of immersing the samples into each group of samples, and sufficiently shaking the conical flask; s2, setting temperature and time parameters: adjusting corresponding reaction temperature and decomposition time for each group of textile samples; according to the method, factors such as difficulty of dissolving conditions of various solvents, stripping effect of the coating and the base cloth and the like are screened and compared, and the optimal test condition for removing the coating in the coated fabric is optimized, so that the coating can be removed more thoroughly without damage, and the accuracy of subsequent test results is improved.

The application provides a microcapsule, a composite fabric, a preparation method of the composite fabric and a summer quilt. The preparation method of the composite fabric comprises the following steps: A1, treating the top surface and the bottom surface of a moisture-permeable layer by using oxygen plasma; A2, adding microcapsules and a crosslinking agent into water to obtain a sticky liquid; coating the sticky liquid on the bottom surface and the top surface of the moisture-permeable layer in a dotted form, bonding the moisture-permeable layer and a moisture-removing and air-permeable layer by taking the top surface of the moisture-permeable layer as a bonding surface, bonding the moisture-permeable layer and a skin-friendly cool layer by taking the bottom surface of the moisture-permeable layer as a bonding surface, drying and hot pressing; the microcapsule comprises a core material and a shell covering the outside of the core material, the core material comprises a glue, and the glue is selected from glue A or glue B or a combination of the two, the glue A is a solvent-free moisture curing reaction type polyurethane hot melt adhesive, and the glue B is an acrylate with an epoxy group and / or a urethane group. The application can guarantee the moisture permeability and air permeability of the composite fabric.

SOLVENT COMPOSITIONS The present invention relates to a solvent composition for solvent-based paints or other coatings characterized in that it comprises a combination of dimethyl glutarate and at least one other compound selected from isobutyl acetate, ethyl lactate, dimethyl 2-methylglutarate, 2-methyltetrahydrofuran, ethyl acetate, cyclopentyl methyl ether, dithoxymethane, dimethyl carbonate, dimethyl succinate, benzyl alcohol, dimethyl adipate, and glyceryl triacetate. Fig. 1

The invention relates to a method for producing a packaging material (10). The method comprises at least the steps of providing a substrate (12) which has a base material made of cellulose and a basis weight of at most 100 g / m². 2 The invention comprises coating at least one side of the substrate with a solvent-based pre-coating agent to produce at least one pre-coating (16) on the substrate (12) and coating at least one side of the substrate with an aqueous coating agent to produce at least one water vapor barrier layer (18), wherein the packaging material (10) has a maximum wet strength content of 100 g / t. The invention further relates to a corresponding packaging material (10) with a layer system (14) as well as a blank and packaging made from such packaging material (10).

This invention discloses a BMC material for preparing food contact products and its preparation method. The material comprises the following components by mass percentage: 12%–20% food contact grade styrene-based unsaturated polyester resin (compliant with GB 4806.7-2016); 3%–10% solvent-free PMMA powder; 0.5%–1% zinc stearate; 0.2%–0.6% curing agent TBIC; 0.01%–0.1% polymerization inhibitor TBHQ; 0.01%–0.05% stabilizer BHT; 20%–45% calcium carbonate; 10%–40% aluminum hydroxide; and 5%–10% glass fiber. This invention, by using low-cost food contact grade styrene-based resin combined with solvent-free PMMA powder and optimizing the ratio of TBIC to TBHQ, achieves near-zero styrene monomer residue in the product while reducing costs. This effectively solves the problems of high cost, difficulty in processability adjustment, and monomer residue risk associated with traditional food contact grade BMC materials. The cost of the resulting material can be controlled below 7 yuan / kg, and it has both flame-retardant and high-strength properties, making it a widely viable alternative to traditional food contact grade plastics.

A photoresist composition comprising one or more alkali-insoluble, non-solvent base materials present in a combined amount of more than 50 wt% based on the total solids of the photoresist composition; a non-polymeric ionic photoacid generator compound comprising an anion and an iodonium or sulfonium cation, the anion being represented by formula (1); a photodegradable quencher, a basic quencher or a combination thereof and a solvent: where Ar 1 for a monocyclic or polycyclic aromatic C 3-60 -Group stands; L 1 L represents a single bond or one or more binary linkage groups. 1 is free of fluorine; Z 1 an anion-stabilizing group, wherein Z 1is designed in such a way that it forms an intramolecular non-covalent bond with the sulfonate anion group, forming a ring with 5 to 8 atoms; and the remaining substituents are defined as shown here.

This invention discloses a method for preparing a water-based protective coating for pharmaceutical aluminum foil, relating to the field of pharmaceutical packaging materials technology. By using water as the core solvent, it solves the environmental pollution problems caused by traditional solvent-based coatings, while eliminating the fire safety hazards of flammable and explosive organic solvents. Furthermore, the addition of hydroxylated chitosan improves the adhesion between the coating and the aluminum foil substrate, effectively preventing coating peeling during transportation and storage, and also endows the coating with excellent antibacterial properties, reducing the risk of microbial contamination of pharmaceuticals. The introduction of polycaprolactone diol-modified acrylate significantly improves the coating's flexibility, preventing cracking at low temperatures, while also taking into account solvent resistance and abrasion resistance. This solves the problem of poor balance between flexibility and solvent resistance in existing water-based coatings, thereby ensuring the integrity of pharmaceutical packaging and the long-term stability of pharmaceutical quality.

The application belongs to the technical field of isocyanate curing agents, and particularly relates to a preparation method of a solvent type polyisocyanate curing agent, which comprises: under the action of a trimerization catalyst, diisocyanate monomers are subjected to a polymerization reaction in an inert gas, and then the obtained polyisocyanate is subjected to dilution by using solvent oil S100 to obtain the solvent type polyisocyanate curing agent; wherein the bromine index and the dissolved oxygen content of the solvent oil S100 simultaneously satisfy: the bromine index is less than or equal to 10 mgBr / 100g and the dissolved oxygen content is less than or equal to 7 mg / L, or 10 mgBr / 100g < the bromine index < 700 mgBr / 100g and the dissolved oxygen content is less than or equal to 3 mg / L. The application guarantees the high-temperature color number stability and storage viscosity stability of the solvent type polyisocyanate curing agent product obtained by dilution.

The application discloses a preparation method of a single-component water-oil mixed environment-friendly composite adhesive, and belongs to the technical field of composite special adhesives. The application combines water and oil in the composite adhesive under the premise that no emulsifier and dispersant is added, by grafting and polymerizing the adhesive with the water-based acrylic ester and monomer polymerization adhesive, so that the excellent characteristics of the oil-based adhesive and the water-based adhesive are organically combined. The composite adhesive has the safety, environmental protection and hygiene performance of the water-based adhesive, and overcomes the defects of the water-based adhesive, such as poor water resistance, slow setting and curing, and the like, and also has the functions of the solvent-based adhesive, such as fast setting, normal-temperature curing, water resistance, washing resistance and excellent initial adhesion effect, and overcomes the safety and environmental protection defects of the current composite adhesive industry.

The application belongs to the field of auxiliary agents, and particularly relates to a filler dispersant matched with alcohol-soluble ink and a preparation method thereof. The preparation method is as follows: polyether and phosphide are mixed to obtain a premix; the premix is heated, and then an acidifying agent is added to react to obtain a reaction product; the reaction product is sequentially cooled, filtered, discharged and packaged. The polyether, the phosphide and the acidifying agent are used to prepare the dispersant under strict operation conditions, the high-level dispersion and viscosity reduction ability of the alcohol-soluble ink when simultaneously using organic and inorganic fillers are improved, the dispersant is used for solvent type, solvent-free coating and printing ink, can stabilize the organic and inorganic fillers, especially titanium dioxide and silicon dioxide, can significantly reduce the viscosity of the grinding material, and increase the wetting and stability, and great convenience is provided and the cost is reduced.

To provide a method capable of easily and accurately detecting a deterioration state of a lubricant in a short time with a small amount, without requiring deterioration or cleaning of a detection device, and capable of detecting the deterioration state of the lubricant at various places without limiting the kind of a light source, with grease as the lubricant as a detection object in addition to lubricating oil.SOLUTION: A lubricant deterioration detection method includes a step of capturing an image of a lubricant alone or the lubricant diluted with a solvent together with a color sample using an imaging device, and a step of determining a deterioration state of the lubricant from image information of the captured lubricant alone or the lubricant diluted with the solvent based on image information of the captured color sample.SELECTED DRAWING: Figure 5

A photoresist composition comprising one or more non-solvent base-insoluble base materials present in a combined amount greater than 50 wt% based on the total solids of the photoresist composition; a non-polymeric ionic photoacid generator compound comprising an anion and an iodonium or sulfonium cation, wherein the anion is represented by formula (1); a photodecomposable quencher, a basic quencher, or a combination thereof; and a solvent, wherein Ar 1 is a monocyclic or polycyclic C 3‑60 aromatic group; L 1 is a single bond or one or more divalent linking groups, wherein L 1 contains no fluorine; Z 1 comprises an anion stabilizing group, wherein Z 1 is configured to form an intramolecular non-covalent bond with a sulfonate anion group to form a ring having 5 to 8 atoms; and the remaining substituents are as defined herein. (1)

The utility model provides a kind of solvent-tolerant perovskite solution preparation dissolving tank, comprising: cover body is installed feed line and stirring mechanism on it;Tank body is supported by support to bear the weight of tank body;Flexible connecting pipe upper end is sealedly connected with cover body, and lower end is sealedly connected with tank body;Lifting mechanism is connected on cover body, can control cover body lifting movement.The utility model provides a kind of solvent-tolerant perovskite solution preparation dissolving tank, cover body and tank body are connected by flexibility, the weight of cover body is borne by lifting mechanism, so tank body does not bear the weight of cover body, stirring mechanism and the line on cover body, when weighing tank body, the weight of tank body and its internal perovskite solution can be obtained, so that the proportioning of perovskite solution in tank body can be accurately adjusted by feed line on cover body.

The present disclosure provides a process. In an embodiment, the process includes providing pellets of recycled, non-virgin material. The recycled, non-virgin material is formed into a multilayer structure comprising at least (i) a layer comprised of an olefin-based polymer and (ii) an adhesive layer. The adhesive layer is comprised of a solvent-based adhesive composition. The process includes blending the pellets with an olefin-based polymer blend component to form a blended material and forming the blended material into an article.

Solvent-based compositions for post-etch residue removal and related methods are provided. The composition comprises a first amine halide component. The composition comprises a second amine halide component. The composition comprises a hydrogen halide component. The composition comprises an organic solvent. The organic solvent comprises a cyclic compound having at least one electron-withdrawing substituent. The organic solvent does not comprise at least one of N-methyl-2-pyrrolidone, dimethylacetamide, or any combination thereof. The first amine halide component, the second amine halide component, the hydrogen halide component, and the organic solvent are present in an amount sufficient for the composition to remove a substance at an etch rate of at least 50 Angstroms / min.

The invention relates to the technical field of paint preparation, in particular to a preparation method of a solvent-free polyurethane breathable coating for cloth, and the preparation method of the solvent-free polyurethane breathable coating for cloth comprises the following steps: S1, treating base material cloth by adopting plasma, and drying in a drying oven after treatment to obtain pretreated base material cloth; s2, the surface of the pretreated base material cloth is coated with a solvent-free polyurethane breathable coating, and the coated cloth is obtained; and S3, performing segmented curing on the coated cloth, and after curing is completed, naturally cooling to room temperature to obtain the solvent-free polyurethane breathable coating for the cloth. The coating is excellent in environmental protection performance and low in VOCs content which is far lower than that of a traditional solvent type coating, and meets the green production requirement; the air permeability and the waterproof performance are synergistically optimized, the fabric is high in air permeability, high in wetting grade and good in hydrostatic pressure water resistance, and the problem that the two are difficult to balance in a solvent-free technology is solved.

The invention belongs to the technical field of thermal printing, and particularly relates to a photosensitive tape, a photosensitive thermal transfer ribbon and application thereof. By adding the photosensitive resin, the photosensitive resin can react with the photosensitizer after exposure to form a cross-linking system, so that the transferred photosensitive layer has good stability and solvent resistance, and the service life of silk screen plate making in a solvent type ink system is ensured to the greatest extent; by combining a cross-linking system and an auxiliary material (wax or non-photosensitive resin), transfer printing of a photosensitive layer in a thermal printing mode is realized. The method is applied to silk screen plate making, the plate making process is optimized, the overall efficiency is improved, the defects that a traditional photo-sensitive resist plate making process is complex, consumed time is long, and the environment is polluted are overcome, and silk screen plate making high in adaptability to a solvent type ink system and high in stability is obtained while the efficiency is improved. According to the photosensitive thermal transfer ribbon provided by the invention, efficient transfer printing of the photosensitive layer is realized, and a pattern obtained after ultraviolet exposure has excellent solvent friction resistance and solarization resistance.

This invention belongs to the field of resin synthesis technology and discloses a phase change energy storage and thermal insulation fluorocarbon coating and its preparation method. The coating comprises 23-25% PVDF fluorocarbon resin, 8-9% acrylic resin, 10-20% phase change material, and a specific composite solvent system. Through a stepwise dispersion process, the inorganic filler is first ground to ≤15μm, and then the phase change material is slowly dispersed under controlled temperature conditions, solving the technical problems of easy breakage and unstable dispersion of phase change material in solvent-based systems. This invention innovatively combines the thermal management capabilities of phase change material with the extreme durability of solvent-based fluorocarbon resin, and with optimized formulation and refined dispersion process, achieves excellent and long-lasting dynamic thermal insulation performance, providing a high-performance coating solution for building energy conservation and emission reduction. By maintaining the integrity of the PCM microcapsule structure in the solvent-based system, the coating is endowed with dynamic temperature buffering capability, matching the phase change functional lifespan with the weather resistance lifespan of the fluorocarbon resin.

The invention discloses environment-friendly water-based gloss oil for packaging and printing and a preparation method of the environment-friendly water-based gloss oil, and relates to the technical field of packaging and printing. The coating comprises the following components: 30-50 parts of an acrylate copolymer emulsion, 10-20 parts of a waterborne polyurethane dispersion, 3-8 parts of modified nano cellulose, 2-7 parts of an inorganic nanoparticle compound, 3-8 parts of a coalescing agent, 2-5 parts of a leveling wetting agent, 0.5-2 parts of a defoaming agent, 2-6 parts of a cross-linking agent, 3-8 parts of a wax emulsion, 0.5-2 parts of a pH regulator and 15-35 parts of deionized water. The acrylate copolymer and the waterborne polyurethane are compounded, and the modified nano cellulose and the inorganic nano particle compound are combined, so that the glossiness, the wear resistance, the adhesive force and the water resistance are improved in a balanced manner, and the performance is close to or even superior to that of the traditional solvent type gloss oil; the evaporation resistance of water is remarkably reduced, the drying time is shortened to be within 20 seconds, the water-based ink is suitable for high-speed printing equipment, and the production efficiency is improved.

This invention relates to the field of coatings and discloses a peelable protective coating and its preparation method. The peelable protective coating comprises: a polyurethane mother liquor: 5-10 parts diisocyanate, 90-110 parts diol, 1-3 parts catalyst, 1-8 parts chain extender, 40-70 parts solvent, 2-5 parts triethylamine, and 45-55 parts deionized water; 15-30 parts reinforcing filler; and 3-10 parts production aids. This invention's coating can achieve excellent isolation and protection of the substrate with a dry film thickness of only 20-40 μm. The coating formed by this invention is acid and alkali resistant, and after protection, it can be peeled off entirely by hand without damaging the substrate or leaving any marks. Furthermore, the polyurethane mother liquor used in this invention is solvent-free, and the solvent can be recovered by vacuum distillation, making it practical and environmentally friendly. The coating preparation process is simple, and the curing method does not require high-temperature sintering, thus eliminating site limitations.

The invention discloses a solvent-based emulsion, a preparation method and application thereof, and an adhesive, and relates to the technical field of adhesives. The solid content of the solvent type emulsion is 35%-45%; the modified hydrogenated styrene elastomer comprises the following components in parts by mass: 20-40 parts of a modified hydrogenated styrene elastomer, 60-80 parts of a mixed solvent and 48-55 parts of a polyester resin liquid. Appropriate polyester resin is selected for carrying out emulsion liquefaction treatment on the modified hydrogenated styrene elastomer, and O / O type solvent type emulsion is prepared; the crosslinking and curing conditions are controlled, so that the phase separation degree of the hydrogenated styrene elastomer and the polyester is controlled, a crosslinking interpenetrating network structure is achieved, and the adhesive which is uniform and stable, convenient to apply, high in adhesive strength, good in adhesive strength to a base film and a conductor and simple and convenient to process is prepared. In application, under the condition of keeping flexibility, the material has lower dielectric constant and dielectric loss angle tangent and higher elastic modulus, and the final material is more stable in structure and better in heat resistance and is expected to be popularized and applied.

The invention discloses environment-friendly waterproof abrasive paper and a preparation method thereof, and relates to the technical field of waterproof abrasive paper. The environment-friendly waterproof abrasive paper comprises a base material, a primer layer coated on the base material, and an abrasive material layer attached to the primer layer, the grinding material layer is composed of grinding materials; and the bottom adhesive layer is formed by an environment-friendly water-resistant adhesive. Compared with a traditional solvent type adhesive scheme, the environment-friendly adhesive has the advantages that VOCs emission can be effectively reduced, the environment-friendly policy requirement is met, and the influence on the environment is reduced.