CN103305096A - Multifunctional undercoat and preparation method thereof - Google Patents

Multifunctional undercoat and preparation method thereof Download PDF

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Publication number
CN103305096A
CN103305096A CN2013102863097A CN201310286309A CN103305096A CN 103305096 A CN103305096 A CN 103305096A CN 2013102863097 A CN2013102863097 A CN 2013102863097A CN 201310286309 A CN201310286309 A CN 201310286309A CN 103305096 A CN103305096 A CN 103305096A
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China
Prior art keywords
hydroxyl value
priming paint
undercoat
solid content
epoxy
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CN2013102863097A
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Chinese (zh)
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CN103305096B (en
Inventor
刘运群
匡成杰
张龙
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HUNAN TAIZI CHEMICAL PAINT CO Ltd
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HUNAN TAIZI CHEMICAL PAINT CO Ltd
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Abstract

The invention discloses a multifunctional undercoat and a preparation method of the undercoat. The undercoat is prepared from the following raw materials: epoxy resin at low hydroxyl value and low solid content, epoxy resin at high hydroxyl value and high solid content, titanium dioxide, zinc phosphate, lithopone, talcum powder, barium sulfate, carbon black, a pigment, a solvent, and an adjuvant. The undercoat disclosed by the invention has the following beneficial effects: 1, the used raw materials are all commercially available, fewer in types, and convenient to prepare, and the produced undercoat is wide in construction range and can completely replace the existing plurality of undercoats; 2. the undercoat product disclosed by the invention has the characteristics of good corrosion resistance, good rust resistance, short surface dry time, and strong adhesive force and is suitable for large-scale continuous production; 3. the undercoat can be used as anti-corrosive undercoats for various steel structure materials, and can be directly sprayed on a substrate, which is complex in surface condition and cannot be pretreated.

Description

A kind of multi-functional priming paint and preparation method thereof
[technical field] the present invention relates to chemical field, specifically a kind of multi-functional priming paint and preparation method thereof.
[background technology] priming paint is the first paint of brushing; to be sprayed directly into substrate surface as the coating of finish paint solid foundation; its Main Function is that the protection ground is subjected to environmental corrosion less in the course of processing; improve finish paint sticking power, increase finish paint fullness ratio, alkali resistant and rot-resistant function are provided; guarantee the even absorption of finish paint, make paint system performance best effect.Present priming paint kind on the market is more, all must carry out pre-treatment at substrate surface before most of priming paint sprayings, as the polishing etc., could effectively spray, not only operation is many, and labor capacity is large, for the ground that the surface appearance complexity can't be finished pretreatment process, also there is not at present a kind of good priming paint, can be with solving its effectively problem of spraying.
[summary of the invention] the present invention is directed to the problems referred to above that existing priming paint exists, and provides a kind of to the multi-functional priming paint that pre-treatment of substrate is less demanding, corrosion resistance nature is good, sticking power is good and preparation method thereof of constructing.
This multi-functional priming paint, it is characterized in that, be comprised of following raw material, the weight percent of raw material is: low hydroxyl value low-solid content Resins, epoxy 25~38%, high hydroxyl value high solids content Resins, epoxy 1.5~6%, titanium dioxide 18~24%, zinc phosphate 4~7%, zinc sulfide white 5~14%, talcum powder 3~8%, barium sulfate 6~13%, carbon black 0.2~0.6%, pigment 1~2.5%, solvent 8~14%, auxiliary agent 2.4~4.8%; The hydroxyl value of described low hydroxyl value low-solid content Resins, epoxy is 15~25, and solid content is 70~80%; The hydroxyl value of described high hydroxyl value high solids content Resins, epoxy is 40~50, and solid content is 〉=95%.
Described talcous fineness is 800 orders.
The fineness of described barium sulfate is 1000 orders.
Described pigment comprises permanent yellow, phthalocyanine blue, permanent bordeaux, medium chrome yellow medium yellow, selects as required different collocation of colour.
Described solvent is the mixed solvent of one or more compositions in pimelinketone, propyl carbinol, dimethylbenzene, the toluene.
Described auxiliary agent is one or more in dispersion agent, the anti-settling agent.
Described dispersion agent is 4071 dispersion agents and 5065 dispersion agents.
Described anti-settling agent is the aerosil anti-settling agent.
The preparation method of multi-functional priming paint is characterized in that, preparation process is following steps:
One, get the raw materials ready after, in reactor, add successively low hydroxyl value low-solid content Resins, epoxy, high hydroxyl value high solids content Resins, epoxy, titanium dioxide, zinc sulfide white, zinc phosphate, talcum powder, barium sulfate, carbon black and pigment, stir after adding again 2/3 amount solvent;
Two, with the slip that the stirs stir speed (S.S.) high speed dispersion with 1500 rev/mins, disperse to put into after 30 minutes sand mill and grind, be milled to fineness≤30 μ m;
Three, add auxiliary agent and be uniformly dispersed, with discharging behind remaining 1/3 amount solvent adjustment system viscosity≤120s.
The present invention makes coating have good sticking power, toughness, chemical resistant properties take two kinds of Resins, epoxy as main film forming substance; The adding of zinc phosphate has increased the corrosion resistance nature of coating; The reasonable selection of zinc sulfide white, titanium dioxide, barium sulfate, talcous adding and pigment is given the good outward appearance of coating and thermotolerance, reduces the lesion size economy of paint film; The adding of auxiliary agent has improved levelling property, sag prevention and the stability of lacquer liquid in storage process of paint film.
Beneficial effect of the present invention: 1, used raw material is all on sale on market, and preparation material classification is few, and preparation is convenient, and the coating application scope of producing is wide, can substitute existing multiple priming paint fully.2, product of the present invention has that anticorrosion, good antirust property, surface drying time are short, the characteristics of strong adhesion, is fit to extensive flowing water production.3, the anti-corrosion primer that can be used as various steel structure materials uses, but can't finish the ground direct spraying of pretreatment process for the surface appearance complexity.
[embodiment] sets forth making processes of the present invention below in conjunction with concrete embodiment.
Embodiment one:
The weight percent of each raw material is in the present embodiment: hydroxyl value is 25, solid content is that 80% low hydroxyl value low-solid content Resins, epoxy 25%, hydroxyl value are 50, solid content is that 95% high hydroxyl value high solids content Resins, epoxy 6%, titanium dioxide 24%, zinc phosphate 4%, zinc sulfide white 5%, fineness are that 800 purpose talcum powder 3%, fineness are 1000 purpose barium sulfate 13%, carbon black 0.2%, phthalocyanine blue 0.01%, medium chrome yellow medium yellow 1%, permanent yellow 0.09%, propyl carbinol 8%, 5065 dispersion agents 2.4% that 4071 dispersion agents 2% that dimethylbenzene 3.3%, toluene 3%, Afcona company buy, EFKA company buy.
One, get the raw materials ready after, propyl carbinol, dimethylbenzene and toluene are modulated into mixed solvent, stand-by; In reactor, add successively low hydroxyl value low-solid content Resins, epoxy, high hydroxyl value high solids content Resins, epoxy, titanium dioxide, zinc sulfide white, zinc phosphate, talcum powder, barium sulfate, carbon black, phthalocyanine blue, medium chrome yellow medium yellow, permanent yellow, add again 2/3 amount mixed solvent, stir;
Two, with the slip that the stirs stir speed (S.S.) high speed dispersion with 1500 rev/mins, disperse to put into after 30 minutes sand mill and grind, being milled to fineness is 30 μ m;
Three, add 4071 dispersion agents and 5065 dispersion agents after, be uniformly dispersed, be discharging behind the 120s with remaining 1/3 amount mixed solvent adjustment system viscosity.
Embodiment two:
The weight percent of each raw material is in the present embodiment: hydroxyl value is 15, solid content is 70% low hydroxyl value low-solid content Resins, epoxy 32%, hydroxyl value is 50, solid content is 95% high hydroxyl value high solids content Resins, epoxy 1.5%, titanium dioxide 18%, zinc phosphate 7%, zinc sulfide white 14%, fineness is 800 purpose talcum powder 8%, fineness is 1000 purpose barium sulfate 6%, carbon black 0.6%, phthalocyanine blue 0.04%, medium chrome yellow medium yellow 1.5%, permanent yellow 0.96%, propyl carbinol 4%, dimethylbenzene 3%, toluene 1%, 4071 dispersion agents 1% that Afcona company buys, 5065 dispersion agents 1.4% that EFKA company buys.
Its preparation process is identical with embodiment one.
Embodiment three:
The weight percent of each raw material is in the present embodiment: hydroxyl value is 20, solid content is 75% low hydroxyl value low-solid content Resins, epoxy 38%, hydroxyl value is 50, solid content is 95% high hydroxyl value high solids content Resins, epoxy 4%, titanium dioxide 20%, zinc phosphate 5%, zinc sulfide white 6.5%, fineness is 800 purpose talcum powder 4%, fineness is 1000 purpose barium sulfate 7%, carbon black 0.5%, phthalocyanine blue 0.02%, medium chrome yellow medium yellow 1%, permanent yellow 0.48%, propyl carbinol 5%, dimethylbenzene 3%, toluene 2%, 4071 dispersion agents 1% that Afcona company buys, 5065 dispersion agents 1.5% that EFKA company buys, aerosil anti-settling agent 1%.
Its preparation process is identical with embodiment one.
Above record only be the preferred embodiments of the present invention, certainly can not limit with this interest field of the present invention, the equivalent variations of therefore doing according to claim of the present invention still belongs to the scope that the present invention is contained.
During use, press priming paint mass ratio 5~4: 1 and add epoxy hardener, spray again after the adjustment viscosity.
According to relevant national standard, the fundamental property of the multi-functional priming paint of the present invention is detected, test result is as follows:

Claims (9)

1. multi-functional priming paint, it is characterized in that, be comprised of following raw material, the weight percent of raw material is: low hydroxyl value low-solid content Resins, epoxy 25~38%, high hydroxyl value high solids content Resins, epoxy 1.5~6%, titanium dioxide 18~24%, zinc phosphate 4~7%, zinc sulfide white 5~14%, talcum powder 3~8%, barium sulfate 6~13%, carbon black 0.2~0.6%, pigment 1~2.5%, solvent 8~14%, auxiliary agent 2.4~4.8%; The hydroxyl value of described low hydroxyl value low-solid content Resins, epoxy is 15~25, and solid content is 70~80%; The hydroxyl value of described high hydroxyl value high solids content Resins, epoxy is 40~50, and solid content is 〉=95%.
2. a kind of multi-functional priming paint according to claim 1 is characterized in that, described talcous fineness is 800 orders.
3. a kind of multi-functional priming paint according to claim 1 is characterized in that, the fineness of described barium sulfate is 1000 orders.
4. a kind of multi-functional priming paint according to claim 1 is characterized in that, described pigment comprises permanent yellow, phthalocyanine blue, permanent bordeaux, medium chrome yellow medium yellow, selects as required different collocation of colour.
5. a kind of multi-functional priming paint according to claim 1 is characterized in that, described solvent is the mixed solvent of one or more compositions in pimelinketone, propyl carbinol, dimethylbenzene, the toluene.
6. a kind of multi-functional priming paint according to claim 1 is characterized in that, described auxiliary agent is one or more in dispersion agent, the anti-settling agent.
7. a kind of multi-functional priming paint according to claim 6 is characterized in that, described dispersion agent is 4071 dispersion agents and 5065 dispersion agents.
8. a kind of multi-functional priming paint according to claim 1 is characterized in that, described anti-settling agent is the aerosil anti-settling agent.
9. the preparation method of the described multi-functional priming paint of claim 1 is characterized in that, preparation process is following steps:
One, get the raw materials ready after, in reactor, add successively low hydroxyl value low-solid content Resins, epoxy, high hydroxyl value high solids content Resins, epoxy, titanium dioxide, zinc sulfide white, zinc phosphate, talcum powder, barium sulfate, carbon black and pigment, stir after adding again 2/3 amount solvent;
Two, with the slip that the stirs stir speed (S.S.) high speed dispersion with 1500 rev/mins, disperse to put into after 30 minutes sand mill and grind, be milled to fineness≤30 μ m;
Three, add auxiliary agent and be uniformly dispersed, with discharging behind remaining 1/3 amount solvent adjustment system viscosity≤120s.
CN201310286309.7A 2013-07-09 2013-07-09 A kind of Multifunctional undercoat and preparation method thereof Active CN103305096B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103740193A (en) * 2013-12-18 2014-04-23 江苏富邦纺织有限公司 Vinylidene chloride coating
CN103820002A (en) * 2014-01-20 2014-05-28 苏州苏万万向节有限公司 Corrosion resistant coating for universal joint
CN105602410A (en) * 2016-03-28 2016-05-25 东莞市榴花艺术有限公司 Antique paint and manufacturing technique thereof
CN106752731A (en) * 2017-02-24 2017-05-31 东莞市榴花艺术有限公司 A kind of imitative wood paint
CN109354904A (en) * 2018-09-04 2019-02-19 奥尔(肇庆)金属彩板实业有限公司 A kind of steel calcium plate base paint special and preparation method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0224372A (en) * 1988-07-13 1990-01-26 Kansai Paint Co Ltd Curable coating material
CN101208397A (en) * 2005-06-24 2008-06-25 三菱化学株式会社 Coating composition and its manufacturing method, and resin molding and its manufacturing method
CN102181218A (en) * 2011-03-18 2011-09-14 西北矿冶研究院 Novel polymer anticorrosion painting material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0224372A (en) * 1988-07-13 1990-01-26 Kansai Paint Co Ltd Curable coating material
CN101208397A (en) * 2005-06-24 2008-06-25 三菱化学株式会社 Coating composition and its manufacturing method, and resin molding and its manufacturing method
CN102181218A (en) * 2011-03-18 2011-09-14 西北矿冶研究院 Novel polymer anticorrosion painting material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
周晓红等: "快干水性变速箱车桥防腐涂料的制备", 《防腐涂料与涂装》, vol. 27, no. 12, 31 December 2012 (2012-12-31), pages 20 - 25 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103740193A (en) * 2013-12-18 2014-04-23 江苏富邦纺织有限公司 Vinylidene chloride coating
CN103820002A (en) * 2014-01-20 2014-05-28 苏州苏万万向节有限公司 Corrosion resistant coating for universal joint
CN105602410A (en) * 2016-03-28 2016-05-25 东莞市榴花艺术有限公司 Antique paint and manufacturing technique thereof
CN106752731A (en) * 2017-02-24 2017-05-31 东莞市榴花艺术有限公司 A kind of imitative wood paint
CN109354904A (en) * 2018-09-04 2019-02-19 奥尔(肇庆)金属彩板实业有限公司 A kind of steel calcium plate base paint special and preparation method

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Pledgor: HUNAN TAIZI CHEMICAL COATINGS Co.,Ltd.

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Denomination of invention: A multifunctional primer and its preparation method

Effective date of registration: 20220923

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