Domestic coating patent express delivery in December (4)

1, a water-based solid epoxy resin anti-corrosion coating preparation method
Sofast: CN110607115A
public day: 2019-12-24
patente: Jiangsu Fengcai New Building Materials Co., Ltd.
Abstract: The present invention discloses a water-based solid epoxy anti-corrosion coating preparation method. Includes the following steps: heating the solid epoxy resin with polyester to 120-140 degrees C, melting the solid epoxy resin and polyester completely, cooling to 65-75 degrees C, then adding the sealing agent and nanomaterials to stir, until stirred well, then slowly dripping catalyst, 3 -4h drop-plus end, 75-85 degrees C continue to react 1-2h, and then add a pre-melted solid epoxy resin and additives, stir 10-15min, cool down to 50-70 degrees C, add the dispersion medium stirring well, you can. The preparation method of the invention is to improve the water-resistant, acid-resistant and salt-resistant spray by introducing nanomaterials into the molecular chain segment of epoxy resin without any raw materials remaining in the reaction, so that the prepared water-based solid epoxy anti-corrosion coating is effectively improved
in terms of water, acid and salt
.
2, a pure polyester transparent powder coating and its preparation method
Public No.: CN110591518A
Public Day: 2019-12-20
Patent Person: Guangzhou Dynasky Materials Technology Co., Ltd.
Abstract: The present invention provides a pure polyester transparent powder coating and its preparation method, the raw materials by weight, including end-to-end polyester resin 60 to 63 parts, semi-crystalline polyester resin 30 to 35 servings, isocyanate triglycerides 5 to 7 servings, modified transparent fillers 10 to 25 servings, curing promoter 0.1 to 2 servings, benzene marriage 0.1 to 1 serving, hardening agent 0.1 to 2 servings, leveling agent 0.8 to 2 servings, UV absorbent 0.1 to 1 serving and toughener 0.5 to 2 servings, wherein the modified transparent filler is modified aluminum silicate. The coating of the invention has high leveling, high transparency, high weather resistance and high corrosion resistance of the coating, which meets the coating requirements of good aesthetics and durability of aluminum hub coating.
3, a highly conductive water-based car bumper primer and its preparation method
public number: CN110591483A
public day: 2019-12-20
Patente: Fudan University
Abstract: The present invention provides a highly conductive water-based car bumper primer and its preparation method, belonging to the field of coatings. The coatings provided by the invention include raw materials: film-forming resins (water-based polyurethane or acrylic), water-based adhesion promoters, water-based humidifiers, water-based thickeners, water-based dispersants, water-based deblisters, titanium whites, pigmented carbon black, conductive functional powders. The invention selects a high crystalline adhesion promoter, a higher crystallization promoter can grow from the substrate extension into one in the film-forming process, enhance the substrate's adhesion to the substrate, and improve the crystallization can reduce the swelling speed of the polymer structure and thus enhance the water resistance of the paint film More wetting agents are used to make the coating spread on the substrate, by using silicone-free additives to ensure that the coating film will not be peeled from the substrate, adding conductive graphene to a penetration threshold higher than carbon black, reducing the resistance of the coating film, so that the primer can meet the requirements of electrostation spraying.
4, an inorganic-organic complex photorecoloric water-based fluorocarbon varnish and its preparation method
Public No.: CN110591468A
Public Day: 2019-12-20
Patentor: Libang Coatings (Chengdu) Co., Ltd.

Abstract: The present invention relates to an inorganic-organic composite photorecoloric water-based fluorocarbon varnish, including light sensing color, light stabilizer, emulsion, additives and water; The preparation method of inorganic-organic complex photochromic water-based fluorocarbon varnish is also disclosed. The beneficial effects achieved by the invention are: fast photochromic response, high photoelectrelectrient efficiency, thermal stability, good fatigue resistance, strong anti-aging performance, long duration of color change, according to the actual light can be converted between different colors.
5, a transparent polyurethane paint for dyeing wood skin and its preparation method
Public No.: CN110591530A
Public Day: 2019-12-12 20
Patentor: Gentleman's Lan Coatings (Tianjin) Co., Ltd.
Abstract: The present invention discloses a transparent polyurethane paint for dyeing wood skin and its preparation method, the raw materials by weight ratio include: polyurethane resin 30 -45, xylene 10-20, butyl acetate 10-20, cyclohexone 4-6, cyanide acetyloxygen compounds 4-8, polyvinyl acetate emulsion 4 -6 parts, 107 glue 10-15 parts, whitening agent 4-5 parts, flocculant 2-6 parts and water 6-10 parts, the present invention relates to polyurethane paint technology. The transparent polyurethane paint for dyeing wood skin and its preparation method, can make the final production of transparent polyurethane paint with three characteristics, condensation speed, which makes the use of transparent polyurethane paint more convenient, the scope of application is also wider, and then the use of transparent polyurethane paint will not be limited, beneficial to people to use, which solves the existing transparent polyurethane paint because of the limitations of the material, resulting in it can not guarantee the viscosity, only to ensure that one of the standard problems.
6, dual self-healing polyurethane coating and preparation method for invisible bodycloths
Public No.: CN110591542A
Public Day: 2 019-12-20
Patentor: Shandong University
Summary: The present invention relates to a dual self-healing polyurethane coating with a hydrogen bond for invisible bodycloths and a preparation method. The raw materials of self-healing polyurethane coating include low-polydol, isocyanate, A-containing disulfur-bonded chain-expanding agent, and multi-hydrogen-bonded chain-expanding agent B. Further provides a preparation method containing multi-hydrogen-bonded chaining agent B, first 2-amino-6 methyl-4-3H( UPy) and diocycyanate reaction to produce a single-terminal isocyanate-based intermediate, and then with monoamino diodol reaction, using the active group activity difference, the production of multi-hydrogen bonded binary alcohol amplification chain agent B. Unconventional co-ionization between raw materials further prepares self-healing polyurethanes containing both the sulfur bond and the hydrogen bond. The self-healing polyurethane coating self-healing process containing the dual sulfur bond and hydrogen bond of the invention does not require the stimulation of temperature, light, pH and redox effect, and the repair speed is fast, and the repair can be completed within 3 minutes at room temperature.
7, a perforated SiO2 wear-resistant coating and preparation method for flexible substrates
Public No.: CN107629491B
Public Day: 2019-12-20
Patentor: Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences
Abstract: The present invention discloses a median SiO2 wear-resistant permeable coating for flexible substrates, the intermediary hole SiO2 sol consists of polysilioxane sol and bi parental segment copolymers. The invention also discloses a low-temperature preparation method for a flexible substrate-resistant interstitial SiO2 wear-permeable coating: monomer, hydrochloric acid, waterless ethanol, bi-parent segment copolymer and deionized water as raw materials, using dissolved The gel-gel method reacts under a constant temperature sealing condition of 50 to 75 degrees C, and uses a low temperature calcination (80 to 200 degrees C) method to remove the parental segment copolymer, forming a wear-resistant permeable coating containing the meso-hole SiO2. The meso-hole SiO2 wear-resistant permeable coating of the present invention has good wear resistance, weather resistance and dense skeleton architecture, for different flexible substrates, the meso-hole SiO2 wear-resistant permeable coating refractive index of the present invention is flexible and adjustable, which can achieve an effective match with the refractive index of flexible substrates to achieve optimal anti-inverse performance.
8, a graphene modified cathode polyurethane electrophoretic resin and its electrophoretic paint composition
Public No.: CN106832183B
Public Day: 2019-12-24
Patent Right person: Wuhan Coril New Materials Co., Ltd.
Abstract: The present invention discloses a graphene modified cathode polyurethane electrophoretic resin and its electrophoretic paint composition, the graphene modified cathode polyurethane electrophoresis resin, by weight percentage includes the following components: stone Ink 0.05%-0.5%, LYP 12.09%-12.14%, isocyanate 48.27%-48.46%, trihydroxymethyl propane 1.070% -1.087%, hydrophobic 14.68%-14.74%, chain expander 16.02%-16.08%, medium-salt 7.38%-10.51%. The invention applies graphene two-dimensional sheet layer particles to the nano-modification of polyurethane electrophoretic resin, prepares a high-performance graphene nano-sheet layer particle modification polyurethane electrophoresis resin, and obtains a polyurethane electrophoretic paint film showing excellent anti-corrosion coating properties and good conductivity, which is very suitable for the coating of metal electrode materials, greatly reducing the cost of electrode materials and extending the life of electrodes in electrolytes.
9, a high elongation rubber coating and its preparation method
Public No:CN106883746B
Public Day: 2019/12/20
Patenteer: Zhuzhou Times New Materials Technology
Abstract: The present invention discloses a high elongation rubber coating and its preparation method, including A, B parts; Quality, organic solvent 5 to 15 mass, pigment 20 to 30 mass and other functional additives, B group is divided into curing agents, A components and B components of the quality ratio of 1:0.5 to 2.0, its preparation methods include: First, polyether modified polythyroidate resin, adhesion promotion resin, dispersant, desiccant, pigment and part of the organic solvent proportionally mixed, and then high-speed stirring dispersion; After mixing and mixing, the organic solvent is added to adjust its viscosity to obtain the A part, and then the A part is mixed with the B part. The product of the invention has excellent adhesion, excellent mechanical properties and fracture elongation.
10, a mixture of polyester and low-acid polyamide as a fluidizer for the application of substrate coating water-based coating composition
realum: CN107001852B
public day: 2019 -12-24
Patentor: BASF Coatings Co., Ltd.
Summary: The present invention relates to a water-based coating composition, which contains: at least one polymer resin (P1) and at least one mixture of a polymer resin (P2) different from it (P2) M), wherein (P1) is polyamide and (P2) polyester obtained by reacting with at least one polyglyceric acid with at least one glycol and/or polyol, containing at least one different polymer resin (P1) and (P2) at least one substing (A) of the polymer resin (A1), at least one pigment (B), wherein the polyamide used as a polymer resin (P1) has an acid value of <10mg KOH/g polyamide, and the mixture (M) This can be obtained by dispersing the polymer resin (P1) in the presence of the polymer resin (P2) in water or water-containing media, by applying the substrate at least partially with the base coating with the water-based coating composition, and by using the mixture (M) as a fluidizer in the water-based coating composition.
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