Hottest April domestic coating patent express 3

2022-09-22
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April domestic paint patent Express (3)

April domestic paint patent Express (3)

April 26, 2020

1

a nano modified epoxy heavy-duty corrosion-resistant coating

publication number: cna publication date: patentee: MCC Construction Research Institute Co., Ltd.

Abstract: the invention provides a nano modified epoxy heavy-duty corrosion-resistant coating, The nano modified epoxy heavy-duty anticorrosive coating includes component A and component B with a mass ratio of (8 ~ 10):1; The component a includes the following raw materials: 35 ~ 50 parts of epoxy resin, 2 ~ 10 parts of modified nano materials, 5 ~ 20 parts of modified flake aggregate, 6 ~ 10 parts of mixed solvent, 5 ~ 15 parts of silane coupling agent, 2 ~ 8 parts of antirust agent, 1 ~ 5 parts of auxiliary agent, 5 ~ 10 parts of filler, 3 ~ 12 parts of pigment; The second component includes the following raw materials by mass: 15 ~ 30 parts of polyamide epoxy curing agent, 10 ~ 15 parts of cashew nut oil modified epoxy curing agent, and 35 ~ 50 parts of mixed solvent. The application of the invention can effectively improve the compactness of the coating material, enhance the corrosion resistance of the coating, and improve the durability of the coating

2

a preparation method of water-based transparent primer without drying in low-temperature and high humidity environment

publication number: cna publication date:

patentee: Guangdong Dongfang Yige new materials Co., Ltd.

Abstract: the invention discloses a preparation method of water-based transparent primer without drying in low-temperature and high humidity environment, which relates to the technical field of emulsion paint preparation, and solves the problem of poor paint surface caused by slow drying of metal materials and water-based paint, A preparation method of water-based transparent primer without drying in low-temperature and high humidity environment adopts multi-stage preparation method, with the help of the volatilization effect of multi-component alcohols and ketones in the solvent component, improves the drying speed, and adapts to the low-temperature and high humidity environment. At the same time, the antirust component used in the water-based transparent primer includes the following weight components: Strontium Chromate 15 ‑ 25, dimethyl ethanolamine (DMEA) 6 ‑ 10, nitrite 5 ‑ 8 2-5 copies of anti flash rust agent; Effectively improve the protection of metal materials under low temperature and high humidity, further improve the performance of water-based transparent primer, and reduce the occurrence of paint foaming, whitening, rust spots, etc. the paint cannot accurately track the change of sample gauge length by manually moving the gauge rod; Its

3

a water-based fastener protective coating and its preparation method and application

publication number: cna publication date:

patentee: Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences

Abstract: the invention relates to the technical field of fastener protective coating, and provides a water-based fastener protective coating and its preparation method and application. The water-based fastener protective coating provided by the invention includes the following components by mass: 19 ~ 60 parts of water-soluble bonding resin, 9 ~ 40 parts of pigments and fillers, 0.1 ~ 0.5 parts of water-based wetting dispersant, 0.15 ~ 1 part of water-based defoamer, 0.1 ~ 2 parts of water-based anti sedimentation agent, 0.1 ~ 1 part of water-based leveling agent, and 18 ~ 70 parts of water. The protective coating provided by the invention has friendly environment, low VOC content, strong adhesion, strong corrosion resistance, low friction coefficient, good wear resistance and temperature resistance, and can effectively prevent fasteners from rusting and locking

4

a colorful coating for integrated panels and its preparation method

publication number: cna publication date: patentee: Jiabaoli Chemical Group Co., Ltd.

Abstract: the invention discloses a colorful coating for integrated panels, which is prepared from color matching base paint, continuous phase lotion, and granulated protective glue. By introducing a kind of attapulgite into the continuous phase lotion as a thickener, attapulgite is oriented in the continuous phase lotion containing organosilicon. Its functions are as follows: (1) it increases the permeability of continuous phase lotion in the process of drying and film forming, and solves the problem of foaming; (2) It has a good fixing effect on the color dots of colorful paint, reduces the shrinkage and hardening of color dots, and solves the problem of shrinkage and hardening of color dots in the process of drying and film forming; (3) The orientation arrangement in the colorful continuous phase lotion effectively prevents the problems of color dot delamination and sagging in thick coating construction. (4) Other performance aspects are also greatly improved compared with existing technology products

5

preparation method of polyurea coating modified with terminated polyether amine

publication number: cna publication date:

patentee: Wuxi akeli Technology Co., Ltd.

Abstract: the invention relates to a preparation method of polyurea coating modified with terminated polyether amine, which includes the following steps: the step of synthesizing ketimine through the reaction of ketone and polyether amine The step of reacting diisocyanate with keto imine to obtain polyurea material and the step of brushing and constant temperature curing polyurea material to obtain polyurea coating modified with terminated polyether amine. The method of the invention uses terminated polyether amine. Due to the characteristics of polyether amine itself (containing ether bond in the molecule) and the reaction of isonitrile ester, the polyurea material has the advantages of high mechanical strength, excellent heat resistance, strong antistatic property, excellent moisture absorption, etc. The reaction between terminated polyether amine and isonitrile ester can change the intensity of the reaction and reduce the requirements for spraying equipment

6

a heavy-duty anticorrosive coating with high solid content and its preparation method

publication number: cna publication date:

patentee: Xiamen Shuangrui marine coating Co., Ltd.

Abstract: the invention relates to the technical field of chemical materials, in particular to a heavy-duty anticorrosive coating with high solid content and its preparation method, wherein the coating includes component A and component B, wherein component a includes bisphenol A epoxy resin, active diluent, additives Solvent I, pigment and filler I and modified graphene; Component B includes: curing agent, accelerator, solvent I and pigment and filler II; The heavy-duty anti-corrosion coating with high solid content provided by the invention adopts epoxy resin system as the main body, adopts curing agent with high reaction activity, and uses graphene to improve the anti-corrosion and mechanical properties of the coating by using the shielding and conductivity of the paint film. It is suitable for oil storage tanks, and has the advantages of high solid content, which is in line with the development trend of environmental protection of the coating. The solid content of the coating of the invention reaches more than 95% and voc10mpa. After mass spectrometry detection, there is no detectable pollutant in the oil, and it has good corrosion resistance and oil resistance

7

a water-based ultra-thin metal substrate anti-corrosion and flame retardant coating and its preparation method

publication number: cna publication date:

patentee: Changzhou University

Abstract: the invention belongs to the field of water-based coatings, in particular to a water-based ultra-thin metal substrate anti-corrosion and flame retardant coating and its preparation method. It consists of the following raw materials by weight: 50 ‑ 65 parts of mixed polyurethane lotion, 10 ‑ 15 parts of functional modified graphene, 5 ‑ 8 parts of flame retardant and smoke suppressant, 8 ‑ 12 parts of reinforced filler, 5 ‑ 10 parts of foaming agent, 3 ‑ 8 parts of preservative, 5 ‑ 10 parts of cosolvent, 0.5 ‑ 1 part of defoamer, 0.5 ‑ 1 part of leveling agent, 0.5 ‑ 1.5 part of anti sedimentation agent, 0.3 ‑ 1 part of antifreeze, 1 ‑ 3 part of thickener, and 0.5 ‑ 1 part of wetting agent.Parts, 1 ‑ 1.5 parts of dispersant, 8 ‑ 12 parts of curing agent 30-45 portions of deionized water. The anticorrosive and flame-retardant coating of the invention has good film-forming property, strong coating adhesion, good stability, good foaming effect, greatly improved fire resistance limit, bonding strength and fire resistance time, and has good flame resistance, less smoke, corrosion resistance, water resistance and weather resistance; The development process of the coating from imitation to self renovation is always unconventional. It is light and thin. The coating is safe and environment-friendly, realizing the dual functions of flame retardance and corrosion prevention, as well as the characteristics of ultra-thin. The preparation method is simple, efficient and can be produced on a large scale

8

a high-performance one component automotive finish paint with water-based compression process and its preparation method

publication number: cna publication date:

patentee: Shanghai jinlitai Chemical Co., Ltd.

Abstract: the invention discloses a high-performance one component automotive finish paint with water-based compression process, which is composed of B1 finish paint and B2 finish paint. The invention also discloses a preparation method thereof. The invention can meet the requirements of b1b2 spraying process (compression process) which is currently the mainstream of major automobile main engines. It has excellent construction performance, because it uses core-shell structure micro Gel Lotion, which has strong drainage capacity. Under the wet spraying process conditions, there will be no paint film defects such as pinholes and prickles. At the same time, B1 finish has a high wet film TG, which has a strong supporting effect on the latter coating B2, so it can effectively reduce the phenomenon of paint film mixing and improve the appearance of paint film

9

a water-based epoxy coating and its preparation method for rail transit interior that can help businesses, users and consumer groups in the process of purchase and use

publication number: cna publication date:

patentee: Zhuzhou Feilu high tech materials Co., Ltd.

Abstract: the invention discloses a water-based epoxy coating for rail transit interior and its preparation method, The waterborne epoxy coating comprises a component A and a component B; By weight, component a includes 30 ~ 50 parts of bisphenol A epoxy resin emulsified with phosphate ester emulsifier, 10 ~ 15 parts of water and other additives and additives; By weight, component B includes 60 ~ 80 parts of curing agent, 20 ~ 40 parts of water and other additives. The invention effectively overcomes the problem of adhesion on the surface of aluminum alloy without sandblasting and polishing, reaches or even exceeds the adhesion level of ordinary oily epoxy paint, and has extremely low VOC content and TVOC content, stable performance, simple preparation, and can be widely used in the interior of rail transit and related fields

10

an environment-friendly waterborne high gloss, high fullness high-temperature baking varnish

publication number: cna publication date:

patentee: Wanhua Chemical Group Co., Ltd.

Abstract: the invention discloses an environment-friendly waterborne high gloss, high fullness high-temperature baking varnish, including the following components: 60.0 ‑ 70.0 parts of modified waterborne hydroxyacrylic acid dispersion, 7.5 ‑ 11.0 parts of amino resin, Base material wetting agent 0.1-0.5 parts, defoamer 0.3-1.0 parts, solvent 3.0-10.0 parts; The resin of the modified aqueous hydroxyacrylic acid dispersion is modified by polycaprolactone polyol. The main film-forming material in the formula of the invention is the aqueous hydroxy acrylic acid dispersion modified by polycaprolactone, which has good mechanical stability, excellent hardness, flexibility and impact resistance after crosslinking with amino resin, high gloss, good fullness and adhesion, and excellent water resistance

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