CN106433387A - Quick-drying type epoxy primer and preparation method thereof - Google Patents

Quick-drying type epoxy primer and preparation method thereof Download PDF

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Publication number
CN106433387A
CN106433387A CN201610574953.8A CN201610574953A CN106433387A CN 106433387 A CN106433387 A CN 106433387A CN 201610574953 A CN201610574953 A CN 201610574953A CN 106433387 A CN106433387 A CN 106433387A
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CN
China
Prior art keywords
quick
type epoxy
agent
coating
dry type
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Pending
Application number
CN201610574953.8A
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Chinese (zh)
Inventor
薛芳
刘书巧
徐海兵
张威
陈荣雯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU ZUYI COATING CO Ltd
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JIANGSU ZUYI COATING CO Ltd
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Priority to CN201610574953.8A priority Critical patent/CN106433387A/en
Publication of CN106433387A publication Critical patent/CN106433387A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D163/00Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • C09D5/082Anti-corrosive paints characterised by the anti-corrosive pigment
    • C09D5/084Inorganic compounds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/45Anti-settling agents
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/63Additives non-macromolecular organic

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses a quick-drying type epoxy primer and a preparation method thereof. The quick-drying type epoxy primer comprises the following components in parts by weight: 30-40 parts of epoxy resin, 0.2-1 part of leveling agent, 4-6 parts of anti-settling agent, 0.1-0.5 part of dispersant, 45-55 parts of pigment and filler, and 1-3 parts of drier. According to the technical scheme of the invention, all the performance indexes of the paint film of the primer completely reach or even exceed the indexes of commercial epoxy primers. At the same time, the quick-drying type epoxy primer is strong in versatility, and the paint film of the primer is quick to dry. Therefore, the coating period is greatly shortened.

Description

A kind of quick-dry type epoxy primer and preparation method thereof
Technical field
The invention belongs to a kind of general quick-dry type epoxy primer is and in particular to a kind of solvent-borne type ring of epoxy amine curing system Oxygen priming paint and preparation method thereof.
Background technology
Current anticorrosive coating has become the main force of Coating Industry in Our Country, China's anticorrosive coating particularly heavy anticorrosive Coating is widely used.Its main application fields includes emerging ocean engineering, Modern Traffic transport, energy industry, large scale industry enterprise Industry and urban operating mechanism.The requirement to anticorrosive coating for these applications is very harsh, will reach good anticorrosion and protection effect Really, its basic particular importance.Anticorrosive coating to be made can play sufficient effect, and its priming paint selected and intermediate layer are particularly heavy Will.Existing commercially available anti-corrosive primer versatility is preferable, but universal rate of drying is slower, especially solidifies relatively slow below 0 DEG C, The construction operation phase is longer, is unfavorable for current fast pace consumption demand.
Content of the invention
The present invention can carry out painting operation under lacking surface treatment conditions and in the case of reducing labor intensity.Again simultaneously Environmental pollution can be reduced, and can be spaced after an application again and can recoat for a long time moreover it is possible to the priming paint supporting with all kinds of finish paints is taken Join.The versatility of this priming paint not only can be suitably used for the steel structure surfaces such as ship, machinery, bridge, and can be used for concrete On nonmetal structure surface, play effective anti-corrosion protection effect.
The present invention is achieved by the following technical solutions:A kind of quick-dry type epoxy primer, by coating portion and firming agent Part forms, and the two weight ratio is for 4:1, described coating portion is formulated by the component of following mass parts:
Described firming agent component is formulated by the component of following mass parts:
Component Mass fraction
Drier 1~3 part
Firming agent 10-20 part
Organic solvent 10-20 part
Epoxy resin in the present invention uses epoxy YPE011*75 and polyvinyl butyral resin.
Levelling agent in the present invention uses F-100.
Anti-settling agent in the present invention uses organobentonite and fumed silica.
Dispersant in the present invention uses FA196.
Color stuffing in the present invention uses Rutile type titanium dioxide, superfine calcined kaolin, blanc fixe, ultra-fine Pulvis Talci, high-carbon black pigment, antirust iron oxide yellow pigments.
Firming agent in the present invention uses WIT168 epoxy hardener.
Drier in the present invention uses DMP-30 tertiary amine catalyst.
Organic solvent in the present invention uses the mixed solvent of dimethylbenzene, n-butyl alcohol and isopropanol.
The preparation method of the general quick-dry type epoxy primer of the present invention is as follows:
Quick-dry type epoxy primer is formulated by the following method:
(1) by epoxy resin, anti-settling agent, dispersant, color stuffing mixing and stirring, pre-dispersed 30-40 minute;
(2) pre-dispersed material is moved to and fineness is ground on grinder less than 25 microns;
(3) organic solvent is added to stir in abrasive;
(4) resin solution that PVB resin organic solvent is fully dissolved into 15-20% stirs after adding;
(5) levelling agent is added to stir;
(6) firming agent organic solvent is fully dissolved;
(7) drier is added to stir.
With special-purpose assorted diluent latting drown during construction, then according to construction requirement, even application is on workpiece to be coated.
The quick-dry type epoxy primer of the present invention has the characteristics that:
(1) the epoxy primer matrix resin of the present invention is taken using commercially available high-performance epoxy resin and polyvinyl butyral resin Join, the excellent antiseptic property of paint film and film forming quick-drying can be given;
(2) epoxy primer of the present invention possesses good tack, can prevent paint film cracking, come off;
(3) epoxy primer of the present invention has prominent moisture resistance, can directly apply in wet structure and wet environment Cover construction;
(4) epoxy primer of the present invention has using wide, and versatility is stronger, can be directly in multiple difference surface of bottom material It is coated constructing;
(5) epoxy primer of the present invention has good application property, and construction timeliness is long, and drying varniss is fast, substantially reduces The application cycle;
The present invention more targetedly, compared to commercially available general category product directivity clearly, using wide, highly versatile, Fast drying, has demand and the prospect in more wide market.
Specific embodiment
The present invention will be further described with reference to embodiments.
Embodiment 1
The epoxy primer composition by weight of the present embodiment is as follows:Coating portion includes 35 parts of epoxy resin, 1 part of PVB resin, stream 0.5 part of flat agent, 4 parts of anti-settling agent, 0.3 part of dispersant, 50 parts of color stuffing;Curing agent part includes 20 parts of firming agent, organic solvent 20 parts, 1 part of drier.
Its preparation method is:
(1) alcohols solvent is added in clean container, add 1 part of PVB resin, mix and blend 15-20 minute while stirring Dissolve to thorough, make semi-finished product for standby;
(2) add 35 parts of epoxy resin in a reservoir, low speed is stirred;
(3) add 0.5 part of levelling agent while stirring;4 parts of anti-settling agent;0.3 part of dispersant;Stir at low shear all Even;
(4) add 50 parts of color stuffing while stirring, be slowly added to while stirring at low shear respectively in container;
(5) charging finishes, and heightens mixing speed, uses grinder ground slurry extremely under high shear after pre-dispersed 30 minutes Fineness reaches less than 25 microns;
(6) semi-finished product preparing (1) are added slowly with stirring in above-mentioned abrasive, charging finishes, and is sufficiently stirred for Uniformly.
During use, coating portion presses 4 with curing agent part:1 proportioning mix homogeneously, adding appropriate diluent to be sprayed on needs On ground to be coated, using room temperature (23 ± 2 DEG C)/humidity (50 ± 5%) from dry or low temperature (80 DEG C/30min) force drying, Record all technical and be shown in Table one.
Embodiment 2
The epoxy primer composition by weight of the present embodiment is as follows:Coating portion includes 35 parts of epoxy resin, 2 parts of PVB resin, stream 0.5 part of flat agent, 4 parts of anti-settling agent, 0.3 part of dispersant, 50 parts of color stuffing;Curing agent part includes 20 parts of firming agent, organic solvent 20 parts, 2 parts of drier.
Its preparation method is:
(1) alcohols solvent is added in clean container, add 2 parts of PVB resin, mix and blend 15-20 minute while stirring Dissolve to thorough, make semi-finished product for standby;
(2) add 35 parts of epoxy resin in a reservoir, low speed is stirred;
(3) add 0.5 part of levelling agent while stirring;4 parts of anti-settling agent;0.3 part of dispersant;Stir at low shear all Even;
(4) add 50 parts of color stuffing while stirring, be slowly added to while stirring at low shear respectively in container;
(5) charging finishes, and heightens mixing speed, uses grinder ground slurry extremely under high shear after pre-dispersed 30 minutes Fineness reaches less than 25 microns;
(6) semi-finished product preparing (1) are added slowly with stirring in above-mentioned abrasive, charging finishes, and is sufficiently stirred for Uniformly.
During use, coating portion presses 4 with curing agent part:1 proportioning mix homogeneously, adding appropriate diluent to be sprayed on needs On ground to be coated, using room temperature (23 ± 2 DEG C)/humidity (50 ± 5%) from dry or low temperature (80 DEG C/30min) force drying, Record all technical and be shown in Table one.
Embodiment 3
The epoxy primer composition by weight of the present embodiment is as follows:Coating portion includes 35 parts of epoxy resin, 3 parts of PVB resin, stream 0.5 part of flat agent, 4 parts of anti-settling agent, 0.3 part of dispersant, 50 parts of color stuffing;Curing agent part includes 20 parts of firming agent, organic solvent 20 parts, 3 parts of drier.
Its preparation method is:
(1) alcohols solvent is added in clean container, add 3 parts of PVB resin, mix and blend 15-20 minute while stirring Dissolve to thorough, make semi-finished product for standby;
(2) add 35 parts of epoxy resin in a reservoir, low speed is stirred;
(3) add 0.5 part of levelling agent while stirring;4 parts of anti-settling agent;0.3 part of dispersant;Stir at low shear all Even;
(4) add 50 parts of color stuffing while stirring, be slowly added to while stirring at low shear respectively in container;
(5) charging finishes, and heightens mixing speed, uses grinder ground slurry extremely under high shear after pre-dispersed 30 minutes Fineness reaches less than 25 microns;
(6) semi-finished product preparing (1) are added slowly with stirring in above-mentioned abrasive, charging finishes, and is sufficiently stirred for Uniformly.
During use, coating portion presses 4 with curing agent part:1 proportioning mix homogeneously, adding appropriate diluent to be sprayed on needs On ground to be coated, using room temperature (23 ± 2 DEG C)/humidity (50 ± 5%) from dry or low temperature (80 DEG C/30min) force drying, Record all technical and be shown in Table one.
With reference to the countries concerned or industry standard, performance detection is carried out to embodiments above, result is as follows:
Table one

Claims (11)

1. a kind of quick-dry type epoxy primer it is characterised in that:It is made up of coating portion and curing agent part, the two weight is than for 4: 1, described coating portion is formulated by the component of following mass parts:
Component Mass fraction Epoxy resin 30~40 parts PVB resin 1-3 part Levelling agent 0.2~1 part Anti-settling agent 4~6 parts Dispersant 0.1~0.5 part Color stuffing 45~55 parts
Described firming agent component is formulated by the component of following mass parts:
Component Mass fraction Drier 1~3 part Firming agent 10-20 part Organic solvent 10-20 part.
2. a kind of quick-dry type epoxy primer according to claim 1 it is characterised in that:Prepare the asphalt mixtures modified by epoxy resin used by coating Fat, including glycidyl ether type epoxy resin, glycidyl ester epoxy resin, glycidyl amine epoxy resin, line style fat One or more of fat same clan epoxy resin, alicyclic based epoxy resin are with the mixing of arbitrary proportion.
3. a kind of quick-dry type epoxy primer according to claim 1 it is characterised in that:Prepare the PVB resin used by coating It is polyvinyl butyral resin.
4. a kind of quick-dry type epoxy primer according to claim 1 it is characterised in that:Preparing the levelling agent used by coating is One or more of organosilicon or fluorine-carbon modified or acrylic compounds levelling agent are with the mixing of arbitrary proportion.
5. a kind of quick-dry type epoxy primer according to claim 1 it is characterised in that:Prepare the anti-settling agent used by coating, Including one or more of aerosil, organobentonite, anti-settling wax liquor with the mixing of arbitrary proportion.
6. a kind of quick-dry type epoxy primer according to claim 1 it is characterised in that:Preparing the dispersant used by coating is Organic dispersing agent or inorganic dispersant.
7. a kind of quick-dry type epoxy primer according to claim 1 it is characterised in that:Prepare the color stuffing used by coating, Including containing Rutile type titanium dioxide, anatase thpe white powder, superfine calcined kaolin, precipitated super-fine barium sulfate, superfine talcum powder, height One or more of colour carbon black, iron oxide yellow, iron oxide red are with the mixing of arbitrary proportion.
8. a kind of quick-dry type epoxy primer according to claim 1 it is characterised in that:Prepare the drier used by coating, Including one or more of organotin polymer, metal drier, amine drier with the mixing of arbitrary proportion.
9. a kind of quick-dry type epoxy primer according to claim 1 it is characterised in that:Prepare organic molten used by coating Agent, including:One or more of a little ketone of dimethylbenzene, n-butyl alcohol, isopropanol, butyl acetate, ring is with the mixing of arbitrary proportion.
10. a kind of quick-dry type epoxy primer according to claim 1 it is characterised in that:Prepare the firming agent used by coating, Can also be for one or more of polyamide, modified polyamide, modified by cardanol phenolic aldehyde amine with the mixing of arbitrary proportion.
A kind of quick-dry type epoxy primer described in 11. claim 1-10, its preparation comprises the following steps:
(1) by epoxy resin, anti-settling agent, dispersant, color stuffing mixing and stirring, pre-dispersed 30-40 minute;
(2) pre-dispersed material is moved to and fineness is ground on grinder less than 25 microns;
(3) organic solvent is added to stir in abrasive;
(4) resin solution that PVB resin organic solvent is fully dissolved into 15-20% stirs after adding;
(5) levelling agent is added to stir;
(6) firming agent organic solvent is fully dissolved;
(7) drier is added to stir.
CN201610574953.8A 2016-07-20 2016-07-20 Quick-drying type epoxy primer and preparation method thereof Pending CN106433387A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Publications (1)

Publication Number Publication Date
CN106433387A true CN106433387A (en) 2017-02-22

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106967349A (en) * 2017-05-30 2017-07-21 响水格思琪科技有限公司 A kind of modified epoxy resin paint and preparation method thereof
CN111500149A (en) * 2020-04-28 2020-08-07 中国铁道科学研究院集团有限公司铁道建筑研究所 Epoxy sealing bottom layer material matched with protective coating for tunnel lining structure
CN112680065A (en) * 2020-12-25 2021-04-20 四川知润机械制造有限公司 Heavy anti-corrosion coating and coating process thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106967349A (en) * 2017-05-30 2017-07-21 响水格思琪科技有限公司 A kind of modified epoxy resin paint and preparation method thereof
CN111500149A (en) * 2020-04-28 2020-08-07 中国铁道科学研究院集团有限公司铁道建筑研究所 Epoxy sealing bottom layer material matched with protective coating for tunnel lining structure
CN112680065A (en) * 2020-12-25 2021-04-20 四川知润机械制造有限公司 Heavy anti-corrosion coating and coating process thereof

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Application publication date: 20170222