CN104592868A - Anti-cracking PE white undercoat and preparation process thereof - Google Patents
Anti-cracking PE white undercoat and preparation process thereof Download PDFInfo
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- CN104592868A CN104592868A CN201410839819.7A CN201410839819A CN104592868A CN 104592868 A CN104592868 A CN 104592868A CN 201410839819 A CN201410839819 A CN 201410839819A CN 104592868 A CN104592868 A CN 104592868A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/06—Unsaturated polyesters having carbon-to-carbon unsaturation
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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)
- Paints Or Removers (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
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Abstract
The invention discloses an anti-cracking PE white undercoat and a preparation process thereof. The preparation process comprises the steps of sequentially adding PE unsaturated resin, modified alkyd resin, hydroquinone and a defoaming agent into a dispersing cylinder, regulating the rotation speed to be 1200r/min, dispersing for 5-8 minutes until the mixture is uniformly dispersed, adding rutile titanium dioxide, regulating the rotation speed to be 1500r/min, dispersing for 15-20 minutes, then adding fumed silica, dispersing for 5 minutes at a constant rotation speed, sequentially adding zinc stearate, calcined kaolin, calcium carbonate, special coat preparing powder and a dispersing agent into a dispersing cylinder, dispersing for 15-20 minutes at a constant rotation speed of 1500r/min, sequentially adding propylene glycol methyl ether acetate, butanol acetate and a flatting agent, regulating the rotation speed to be 1000r/min, and dispersing for 5 minutes, so as to obtain the anti-cracking PE white undercoat. The anti-cracking PE white undercoat has excellent anti-cracking performance and a remarkable anti-greening effect and is relatively high in whiteness.
Description
Technical field
The present invention relates to the preparation field of crack resistence based white primer, be specifically related to a kind of PE crack resistence based white primer and manufacture craft thereof.
Background technology
PE based white primer needs in Various Seasonal the severe environment standing different condition, such as, north low temperature in winter, low humidity dry weather or southern summer high-temperature, high humidity weather, or at the end of spring and the beginning of summer under the severe environment such as low temperature and high relative humidity weather, for PE based white primer, an acid test beyond doubt, the white finish paint product therefore made must stand the test of severe environment like this.And often can add some blue water or plain boiled water and siccative in existing PE based white primer and meet construction quick-drying requirement, bring substrate adhesion low to existing PE based white primer, explosion after paint vehicle construction, silk such as to split at the problem.
Application number is in the Chinese patent of " 201110234047.0 ", disclose the patent of invention that name is called " a kind of novel high closeness unsaturated polyester based white primer and preparation method thereof ", its composition is as follows: unsaturated polyester PE resin 40-45, defoamer 0.2-0.3, wetting dispersing agent 0.3-0.5, polyacrylate flow agent 0.2-0.3, anti-green dose of 0.1-0.2, organobentonite is solidifying slurry 4-6 in advance, aerosil 0.2-0.8, Zinic stearas 3-7, 1250 order talcum powder 3-9, 800 order talcum powder 7-11, coarse whiting 13-21, Rutile type Titanium Dioxide 11-17, nitro-cotton liquid 2-5, n-butyl acetate 1-3.The advantages such as closure is good although the present invention has, fillibility is good, anti-sag resistance is good, sag prevention excellent, the polishing time is short, grinability is excellent, ply adhesion is strong, opacifying power is excellent.But, in the presence of a harsh environment, the problems such as paint vehicle there will be explosion after constructing, silk splits.
Application number is in the Chinese patent of " 201110351766.0 ", disclose the patent of invention that name is called " unsaturated polyester based white primer ", its main technical scheme is for adding a kind of CAB liquid, described CAB liquid is a kind of Mierocrystalline cellulose, the unsaturated polyester based white primer made by it, the fixture of artistic carving complexity can prevent the phenomenon of paint film cracking, and rate of drying is very fast, grinability is good, but thoroughly can't solve the problem that ftractureing appears in priming paint in cryodrying or hot and humid environment, and its anti-greening poor-performing, there is the problem that the whiteness of based white primer is not high.
Summary of the invention
Under the condition of hot and humid or cryodrying, the problem manifested that ftractures is there is after construction in order to solve PE based white primer, the invention discloses a kind of PE crack resistence based white primer and manufacture craft thereof, have excellent crack resistence function, and it is remarkable to put afforestation effect, the whiteness of product is higher.
A kind of PE crack resistence based white primer, primarily of following feed composition composition (by weight percentage): PE unsaturated polyester 30-35, modified alkyd resin 3-7, Resorcinol 0.3, defoamer 0.1, rutile titanium white powder 7, aerosil 0.6, Zinic stearas 2, calcined kaolin 1-7, calcium carbonate 28-38, special painting powder 17.8, dispersion agent 0.2,1-Methoxy-2-propyl acetate 0.9, secondary butyl ester 1.05, flow agent 0.05.
Further, a kind of PE crack resistence based white primer, primarily of feed composition composition (by weight percentage): PE unsaturated polyester 30, modified alkyd resin 3, Resorcinol 0.3, defoamer 0.1, rutile titanium white powder 7, aerosil 0.6, Zinic stearas 2, calcined kaolin 7, calcium carbonate 30, special painting powder 17.8, dispersion agent 0.2,1-Methoxy-2-propyl acetate 0.9, secondary butyl ester 1.05, flow agent 0.05.
A manufacture craft for PE crack resistence based white primer, is made by following processing step:
(1) by PE unsaturated polyester, modified alkyd resin, Resorcinol, defoamer joins in dispersion cylinder successively, and rotating speed is adjusted to 1200r/min, dispersion 5-8min;
(2) after step (1) component disperses is even, add rutile titanium white powder, rotating speed is adjusted to 1500r/min, and disperse 15-20min;
(3) then, add aerosil, keep invariablenes turning speed, and disperse 5min;
(4) add Zinic stearas successively, calcined kaolin, calcium carbonate, special painting powder, dispersion agent, to dispersion cylinder, keeps rotating speed 1500r/min constant, dispersion 15-20min;
(5), after treating that step (4) process is carried out, add 1-Methoxy-2-propyl acetate successively, secondary butyl ester and flow agent, be adjusted to 1000r/min by rotating speed, and disperse 5min.
Advantage of the present invention is: containing PE unsaturated polyester and glycol diacrylate in the present invention's formula, because ethylene glycol bisthioglycolate acrylic resin has the feature of low volatilization, low viscosity and high-flexibility, ensure that the snappiness of priming paint, enhance the anti-cracking performance of priming paint product; And with the addition of calcined kaolin in formula and reduce the weight percent of calcium carbonate, after white primer is constructed, there is indehiscent characteristic under good cold-and-heat resistent condition; In addition, the contained dispersion agent in formula has anti-greening function, and the whiteness of based white primer is significantly improved.
Embodiment
The invention discloses a kind of PE crack resistence based white primer and manufacture craft thereof, have excellent crack resistence function, and it is remarkable to put afforestation effect, the whiteness of product is higher.
Be clearly and completely described to the technical scheme in the present invention below, obviously, described is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of protection of the invention.
Raw material used in the present embodiment is commercially available, and when not having specified otherwise, unit is (kg).
Embodiment
Formula sees the following form 1:
Table 1
Manufacture craft is as follows:
Embodiment 1
(1) by PE unsaturated polyester, modified alkyd resin, Resorcinol, defoamer joins in dispersion cylinder successively, and rotating speed is adjusted to 1200r/min, dispersion 5min;
(2) after step (1) component disperses is even, add rutile titanium white powder, rotating speed is adjusted to 1500r/min, and disperse 20min;
(3) then, add aerosil, keep invariablenes turning speed, and disperse 5min;
(4) add Zinic stearas successively, calcined kaolin, calcium carbonate, special painting powder, dispersion agent, to dispersion cylinder, keeps rotating speed 1500r/min constant, dispersion 18min;
(5), after treating that step (4) process is carried out, add 1-Methoxy-2-propyl acetate successively, secondary butyl ester and flow agent, be adjusted to 1000r/min by rotating speed, and disperse 5min.
Embodiment 2
(1) by PE unsaturated polyester, modified alkyd resin, Resorcinol, defoamer joins in dispersion cylinder successively, and rotating speed is adjusted to 1200r/min, dispersion 6min;
(2) after step (1) component disperses is even, add rutile titanium white powder, rotating speed is adjusted to 1500r/min, and disperse 15min;
(3) then, add aerosil, keep invariablenes turning speed, and disperse 5min;
(4) add Zinic stearas successively, calcined kaolin, calcium carbonate, special painting powder, dispersion agent, to dispersion cylinder, keeps rotating speed 1500r/min constant, dispersion 20min;
(5), after treating that step (4) process is carried out, add 1-Methoxy-2-propyl acetate successively, secondary butyl ester and flow agent, be adjusted to 1000r/min by rotating speed, and disperse 5min.
Embodiment 3
(1) by PE unsaturated polyester, modified alkyd resin, Resorcinol, defoamer joins in dispersion cylinder successively, and rotating speed is adjusted to 1200r/min, dispersion 7min;
(2) after step (1) component disperses is even, add rutile titanium white powder, rotating speed is adjusted to 1500r/min, and disperse 15min;
(3) then, add aerosil, keep invariablenes turning speed, and disperse 5min;
(4) add Zinic stearas successively, calcined kaolin, calcium carbonate, special painting powder, dispersion agent, to dispersion cylinder, keeps rotating speed 1500r/min constant, dispersion 19min;
(5), after treating that step (4) process is carried out, add 1-Methoxy-2-propyl acetate successively, secondary butyl ester and flow agent, be adjusted to 1000r/min by rotating speed, and disperse 5min.
Embodiment 4
(1) by PE unsaturated polyester, modified alkyd resin, Resorcinol, defoamer joins in dispersion cylinder successively, and rotating speed is adjusted to 1200r/min, dispersion 8min;
(2) after step (1) component disperses is even, add rutile titanium white powder, rotating speed is adjusted to 1500r/min, and disperse 20min;
(3) then, add aerosil, keep invariablenes turning speed, and disperse 5min;
(4) add Zinic stearas successively, calcined kaolin, calcium carbonate, special painting powder, dispersion agent, to dispersion cylinder, keeps rotating speed 1500r/min constant, dispersion 15min;
(5), after treating that step (4) process is carried out, add 1-Methoxy-2-propyl acetate successively, secondary butyl ester and flow agent, be adjusted to 1000r/min by rotating speed, and disperse 5min.
The based white primer sample obtained in above embodiment is carried out index of correlation test:
(1) crack resistence test condition: test environment range of temperature is-20 DEG C to 50 DEG C, and gradually change temperature, and carry out 10 cold cycling, the performance index of then carrying out being correlated with detect:
(2) test result and correlation detection index are as following table 2:
Table 2
Known by above embodiment, the invention has the advantages that: containing PE unsaturated polyester and glycol diacrylate in the present invention's formula, because ethylene glycol bisthioglycolate acrylic resin has the feature of low volatilization, low viscosity and high-flexibility, ensure that the snappiness of priming paint, enhance the anti-cracking performance of priming paint product; And with the addition of calcined kaolin in formula and reduce the weight percent of calcium carbonate, after white primer is constructed, there is indehiscent characteristic under good cold-and-heat resistent condition; In addition, the contained dispersion agent in formula has anti-greening function, and the whiteness of based white primer is significantly improved.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (3)
1. a PE crack resistence based white primer, is characterized in that, primarily of following feed composition composition (by weight percentage): PE unsaturated polyester 30-35, modified alkyd resin 3-7, Resorcinol 0.3, defoamer 0.1, rutile titanium white powder 7, aerosil 0.6, Zinic stearas 2, calcined kaolin 1-7, calcium carbonate 28-38, special painting powder 17.8, dispersion agent 0.2,1-Methoxy-2-propyl acetate 0.9, secondary butyl ester 1.05, flow agent 0.05.
2. a kind of PE crack resistence of volume based white primer according to claim 1, is characterized in that, primarily of feed composition composition (by weight percentage): PE unsaturated polyester 30, modified alkyd resin 3, Resorcinol 0.3, defoamer 0.1, rutile titanium white powder 7, aerosil 0.6, Zinic stearas 2, calcined kaolin 7, calcium carbonate 30, special painting powder 17.8, dispersion agent 0.2,1-Methoxy-2-propyl acetate 0.9, secondary butyl ester 1.05, flow agent 0.05.
3. a kind of PE crack resistence based white primer according to claim 1 and 2, is characterized in that, be made by following processing step:
(1) by PE unsaturated polyester, modified alkyd resin, Resorcinol, defoamer joins in dispersion cylinder successively, and rotating speed is adjusted to 1200r/min, dispersion 5-8min;
(2) after step (1) component disperses is even, add rutile titanium white powder, rotating speed is adjusted to 1500r/min, and disperse 15-20min;
(3) then, add aerosil, keep invariablenes turning speed, and disperse 5min;
(4) add Zinic stearas successively, calcined kaolin, calcium carbonate, special painting powder, dispersion agent, to dispersion cylinder, keeps rotating speed 1500r/min constant, dispersion 15-20min;
(5), after treating that step (4) process is carried out, add 1-Methoxy-2-propyl acetate successively, secondary butyl ester and flow agent, be adjusted to 1000r/min by rotating speed, and disperse 5min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410839819.7A CN104592868B (en) | 2014-12-30 | 2014-12-30 | A kind of PE crack resistences based white primer |
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| CN201410839819.7A CN104592868B (en) | 2014-12-30 | 2014-12-30 | A kind of PE crack resistences based white primer |
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| CN104592868B CN104592868B (en) | 2017-11-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108219634A (en) * | 2017-12-28 | 2018-06-29 | 中山市大涂料有限公司 | A kind of cracking resistance unsaturated polyester varnish and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102559018A (en) * | 2011-12-14 | 2012-07-11 | 广东巴德士化工有限公司 | Polyethylene (PE) anti-sinking high-grade white primer with excellent anti-sinking property and extremely high whiteness |
| CN102643597A (en) * | 2012-05-08 | 2012-08-22 | 合众（佛山）化工有限公司 | High-compactness poly ethylene (PE) white primer and construction method and detection method thereof |
| CN102911589A (en) * | 2012-11-20 | 2013-02-06 | 成都展辰化工有限公司 | Special anti-absorption unsaturated polyester white primer for density board |
| CN103756530A (en) * | 2013-12-19 | 2014-04-30 | 澳达树熊涂料(惠州)有限公司 | High-flexibility anti-cracking primer and preparation method thereof |
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- 2014-12-30 CN CN201410839819.7A patent/CN104592868B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102559018A (en) * | 2011-12-14 | 2012-07-11 | 广东巴德士化工有限公司 | Polyethylene (PE) anti-sinking high-grade white primer with excellent anti-sinking property and extremely high whiteness |
| CN102643597A (en) * | 2012-05-08 | 2012-08-22 | 合众（佛山）化工有限公司 | High-compactness poly ethylene (PE) white primer and construction method and detection method thereof |
| CN102911589A (en) * | 2012-11-20 | 2013-02-06 | 成都展辰化工有限公司 | Special anti-absorption unsaturated polyester white primer for density board |
| CN103756530A (en) * | 2013-12-19 | 2014-04-30 | 澳达树熊涂料(惠州)有限公司 | High-flexibility anti-cracking primer and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108219634A (en) * | 2017-12-28 | 2018-06-29 | 中山市大涂料有限公司 | A kind of cracking resistance unsaturated polyester varnish and preparation method thereof |
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