CN101899248B - Environment-friendly rust inhibiting primer - Google Patents
Environment-friendly rust inhibiting primer Download PDFInfo
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- CN101899248B CN101899248B CN 201010217781 CN201010217781A CN101899248B CN 101899248 B CN101899248 B CN 101899248B CN 201010217781 CN201010217781 CN 201010217781 CN 201010217781 A CN201010217781 A CN 201010217781A CN 101899248 B CN101899248 B CN 101899248B
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Abstract
The invention discloses environment-friendly rust inhibiting primer. The rust inhibiting primer comprises the following components in parts by weight: 20 to 50 parts of hydroxyl resin, 5 to 30 parts of amino resin, 2 to 8 parts of epoxy resin, 2 to 10 parts of coalescent, 8 to 20 parts of pigment, 2 to 30 parts of inorganic filler, 5 to 25 parts of organic solvent, 0.01 to 1.0 part of flatting agent, 0.05 to 3.0 parts of conductivity improver, 0.2 to 4 parts of dispersing agent, and 0.2 to 3.0 parts of coupling agent. The primer has good redissolution resistance, can perform 'wet on wet' spraying with undercoat and varnish, namely 'three spraying-one bake' to produce a film after a workpiece is sprayed by primer, undercoat and varnish in turn and is treated by baking once, and the performance of the film is equivalent to the conventional 'three spraying-three bake' process. The heavy metal content of the rust inhibiting primer can achieve the requirement of related laws and regulations, and is harmless to human health.
Description
Technical field
The present invention relates to a kind of rust-proofing primer, particularly a kind of environment-friendly type rust-proofing primer.
Background technology
In order to obtain better ornamental and erosion resistance, the various metal insert such as various household electrical appliance, motorcycle accessories have adopted the mode of multiple pass coat, such as priming paint, middle japanning, coating varnish etc.
Traditional multiple pass coat technique generally adopts the mode of the many bakings of overbrushing to carry out, i.e. every spraying is dried first behind the paint together, and then the again oven dry of spray second paint, so repeatedly until finish application.
This mode of production takes time and effort, and needs to consume mass energy in the process of baking, and is inconsistent with the development trend of environmental protection.
Traditional rust-proofing primer contains the heavy metals such as a large amount of lead, sexavalent chrome, and this rust-proofing primer can not satisfy the demand of new environmental regulation because contain a large amount of objectionable impuritiess, uses more and more to be restricted.
People wish to have a kind of rust-proofing primer, existing good rust inhibition.Do not contain again the harmful heavy metal material, can also repeatedly spray at wet paint film in the mode of " wet bump wet ", then first drying and can not affect the rust-proofing primer of final paint film appearance and physical and chemical performance.
Summary of the invention
The objective of the invention is to be to provide a kind of novel environment-friendly type rust-proofing primer.
The technical solution used in the present invention is:
A kind of environment-friendly type rust-proofing primer contains hydroxy resin 20～50 mass parts, aminoresin 5～30 mass parts, Resins, epoxy 2～8 mass parts, film coalescence aid 2～10 mass parts, pigment 8～20 mass parts, mineral filler 2～30 mass parts, organic solvent 5～25 mass parts, flow agent 0.01～1.0 mass parts, conductive auxiliary agent 0.05～3.0 mass parts, dispersion agent 0.2～4 mass parts, coupling agent 0.2～3.0 mass parts.
Film coalescence aid is preferably the hydroxyl film coalescence aid, comprises cellulose acetate butyrate, chlorine vinegar terpolymer, Nitrocellulose.
Hydroxy resin is preferably Hydroxylated acrylic resin, hydroxy polyester resin, hydroxyl alkyd resins.
The epoxy equivalent (weight) of Resins, epoxy is preferably 200～800g/ep.
Organic solvent comprises vinyl acetic monomer, N-BUTYL ACETATE, butyl glycol ether, propylene glycol monomethyl ether, toluene, dimethylbenzene, trimethylbenzene, heavy aromatics, propyl carbinol, isopropylcarbinol, Virahol, hexone, methylethylketone, pimelinketone, diacetone alcohol.
Mineral filler comprises talcum powder, zinc phosphate, aluminium triphosphate, calcium carbonate, composite iron-titanium powder, barium sulfate.
Product of the present invention is anti-resoluble good, can carry out with middle japanning and varnish " wetting, it is wet to bump " spraying, after soon priming paint, middle lacquer and varnish will be sprayed at workpiece successively, again by once baking, namely " three are coated with a baking " obtains paint film, and the performance of paint film is suitable with conventional three-coat three-baking technique; Rust-proofing primer of the present invention, heavy metal content can reach the requirement of relevant laws and regulations, and is harmless to HUMAN HEALTH.
Embodiment
A kind of environment-friendly type rust-proofing primer contains hydroxy resin 20～50 mass parts, aminoresin 5～30 mass parts, Resins, epoxy 2～8 mass parts, film coalescence aid 2～10 mass parts, pigment 8～20 mass parts, mineral filler 2～30 mass parts, organic solvent 5～25 mass parts, flow agent 0.01～1.0 mass parts, conductive auxiliary agent 0.05～3.0 mass parts, dispersion agent 0.2～4 mass parts, coupling agent 0.2～3.0 mass parts.
Film coalescence aid is preferably the hydroxyl film coalescence aid, comprises cellulose acetate butyrate, chlorine vinegar terpolymer, Nitrocellulose.Cellulose acetate butyrate is one or more among U.S. Yi Siman products C AB381-0.5, CAB551-0.2, CAB381-2 or the CAB381-20.Chlorine vinegar terpolymer is VAGH, VAGF, the VMCA of U.S. DOW company, or E15/45M, the E15/40A of German WACKER company, among the H15/45M one or more.It is in the product of 1/2 second or 1/4 second or 1/8 second one or more that Nitrocellulose adopts the north, Sichuan nitro-cotton company standard.
Hydroxy resin is preferably Hydroxylated acrylic resin, hydroxy polyester resin, hydroxyl alkyd resins, such as PJ31C-60A, PJ32-60A, PJ320, PJ320C, the resins such as PJ390, PJ648-52 of Jiangmen City Paint Making Co., Ltd., Factory.
Aminoresin can be that Jiangmen city is PJ512, the PJ582-2 of system lacquer Co., Ltd., Factory, or the resins such as the 9226-60 in Changxing, Taiwan, 9228-60.
The epoxy equivalent (weight) of Resins, epoxy is preferably 200～800g/ep, can be the 671X70,331,6099 of U.S. DOW company, or the 0191X70 of blue star chemical industry, 0194 etc.
Organic solvent comprises vinyl acetic monomer, N-BUTYL ACETATE, butyl glycol ether, propylene glycol monomethyl ether, toluene, dimethylbenzene, trimethylbenzene, heavy aromatics, propyl carbinol, isopropylcarbinol, Virahol, hexone, methylethylketone, pimelinketone, diacetone alcohol.
Mineral filler is selected from one or more of ability practitioner talcum powder in common knowledge, zinc phosphate, (modification) aluminium triphosphate, calcium carbonate, composite iron-titanium powder, barium sulfate, requires particle diameter 5～50 μ m, active constituent content 〉=98%.
Pigment can require to decide according to distinct colors, select this area practitioner Rutile type Titanium Dioxide in common knowledge and low colour black in following examples, the R-996 titanium dioxide of the SR-236 titanium dioxide of Shandong Dong Jia company or Sichuan dragon boa company for example, the MA-100 carbon black of MIT or the U.S. win the PRINTEX-U carbon black of wound company.
Flow agent can be selected from BYK300, BYK306, BYK331 of German BYK company etc.
Conductive auxiliary agent can be selected from the ES-80 of German BYK company, or the WA422 of German Worlee company, or EFKA6780, the EFKA6782 of Dutch EFKA company.
Dispersion agent is selected from 963 of the BYK-P104S of the HTY-851 of Jiangmen City Paint Making Co., Ltd., Factory or German BYK company or German Kening Co.,Ltd.
Coupling agent is selected from NDZ-102, the NDZ-201 of Nanjing Dawning, or German Dow Corning Corporation 6040,6020.
Below in conjunction with embodiment, further specify the present invention.
In following examples, umber all refers to mass parts if no special instructions.
The preparation technology of environment-friendly type rust-proofing primer of the present invention is as follows:
1) dispersed paste: in disperseing cylinder, add hydroxy resin, film coalescence aid, part organic solvent, dispersion agent, coupling agent, disperseed 5～20 minutes with 1～8m/s, add while stirring pigment, mineral filler, after adding each material, adjust rotating speed to 2～10m/s, disperseed 20～60 minutes, and obtained dispersed paste;
2) grind: scattered slurry grinds 1～5 time with sand mill, detects fineness≤60 μ m with Hegman grind gage and gets final product;
3) join lacquer: drop into ground slurry and other leftover materials in paint mixing cylinder, stir, filtration gets final product.
Embodiment 1
Environment-friendly type rust-proofing primer composed as follows:
Embodiment 2
Environment-friendly type rust-proofing primer composed as follows:
Embodiment 3
Environment-friendly type rust-proofing primer composed as follows:
Embodiment 4
Environment-friendly type rust-proofing primer composed as follows:
Get the environment-friendly type rust-proofing primer of embodiment 1 " three are coated with a baking " and make paint film by " three are coated with a baking ",
Get conventional " three-coat three-baking " rust-proofing primer, make paint film by " three-coat three-baking " method, detect in the same way its performance, the result is as follows:
The paint film property of rust-proofing primer of the present invention is suitable with conventional three-coat three-baking technique; Rust-proofing primer of the present invention, heavy metal content can reach the requirement of relevant laws and regulations, and is harmless to HUMAN HEALTH.
Claims (1)
1. environment-friendly type rust-proofing primer, it consists of: hydroxy resin 20～50 mass parts, aminoresin 5～30 mass parts, Resins, epoxy 2～8 mass parts, film coalescence aid 2～10 mass parts, pigment 8～20 mass parts, mineral filler 2～30 mass parts, organic solvent 5～25 mass parts, flow agent 0.01～1.0 mass parts, conductive auxiliary agent 0.05～3.0 mass parts, dispersion agent 0.2～4 mass parts, coupling agent 0.2～3.0 mass parts;
Wherein, film coalescence aid is cellulose acetate butyrate, chlorine vinegar terpolymer, Nitrocellulose;
Hydroxy resin is PJ31C-60A, PJ320, PJ320C, the PJ390 of Jiangmen City Paint Making Co., Ltd., Factory;
Aminoresin is the PJ582-2 of Jiangmen City Paint Making Co., Ltd., Factory;
Resins, epoxy is 331 of U.S. DOW company;
Flow agent is selected from BYK300, BYK306, the BYK331 of German BYK company;
Conductive auxiliary agent is selected from the ES-80 of German BYK company, or EFKA6780, the EFKA6782 of Dutch EFKA company;
Dispersion agent is selected from 963 of the BYK-P104S of the HTY-851 of Jiangmen City Paint Making Co., Ltd., Factory or German BYK company or German Kening Co.,Ltd;
Coupling agent is selected from 6040,6020 of German Dow Corning Corporation;
Described organic solvent is selected from vinyl acetic monomer, N-BUTYL ACETATE, butyl glycol ether, propylene glycol monomethyl ether, toluene, dimethylbenzene, trimethylbenzene, propyl carbinol, isopropylcarbinol, Virahol, hexone, methylethylketone, pimelinketone, diacetone alcohol;
Described mineral filler is selected from talcum powder, zinc phosphate, aluminium triphosphate, calcium carbonate, composite iron-titanium powder, barium sulfate.
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| CN 201010217781 CN101899248B (en) | 2010-07-05 | 2010-07-05 | Environment-friendly rust inhibiting primer |
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| CN 201010217781 CN101899248B (en) | 2010-07-05 | 2010-07-05 | Environment-friendly rust inhibiting primer |
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| CN101899248B true CN101899248B (en) | 2013-03-13 |
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