CN106398417A - Waterborne priming paint for PP plastics and preparation method thereof - Google Patents
Waterborne priming paint for PP plastics and preparation method thereof Download PDFInfo
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Abstract
The invention especially relates to a waterborne priming paint for PP plastics and a preparation method thereof, belonging to the field of paints. The waterborne priming paint is characterized by comprising, by mass, 10 to 30 parts of waterborne acrylic resin emulsion, 5 to 10 parts of a film-forming aid, 25 to 35 parts of water, 2 to 5 parts of a silane coupling agent, 0.1 to 0.3 part of a dispersant, 0 to 0.3 part of an antifoaming agent, 5 to 10 parts of precipitate barium sulfate, 10 to 15 parts of titanium dioxide, 0 to 0.01 part of carbon black, 1 to 2 parts of an anti-settling agent, 10 to 30 parts of a PP adhesion promoter, 0.1 to 0.5 part of a substrate wetting agent and 0 to 3 parts of a pH value regulating agent. According to the invention the high-performance waterborne priming paint for PP plastics is developed through research and comprehensive utilization of waterborne resin, waterborne auxiliary agents and functional pigment and filler; and the waterborne priming paint is applicable to a variety of PP plastics, overcomes the problem of difficult adhesion of PP substrates, reduces environmental pollution since the priming paint is waterborne, and can compensate for the shortcoming that common PP priming paints have no maintenance and repair effect on substrates.
Description
Technical field
The invention belongs to paint field, more particularly, to a kind of PP plastics aqueous priming paint and preparation method thereof.
Background technology
In recent years, haze has had influence on the daily life of common people, and haze weather even makes some areas cause school closure.
The major reason that haze weather produces is PM2.5 (fine particle), and motor vehicle exhaust emission in its main source producing accounts for 30%,
VOC (VOC) discharge accounts for 21%, residual through burning discharge during other daily generatings, commercial production etc.
Stay thing to account for 49%, and about 18% be to be discharged by solvent based coating to produce in VOC emission.From on 2 1st, 2015, China
Battery, coating are listed in consumption tax range of collection, imposes in production, consigned processing and import link, the applicable tax rate is 4%.
But for volatile organic matter under Construction State (VOC) content be less than 420 g/l (containing) coating exempt from consumption tax.Therefore
Water paint be developed into the task of top priority, and under the Construction State of water paint, volatile organic matter (VOC) content is far below
420 g/l (containing).Due to the speciality of water paint environmental protection, it is more serious that its use and popularization contribute to mitigation China
Haze situation.
The adhesive force of existing PP plastics aqueous priming paint is limited (PP plastics refer to polypropylene), there is PP plastic bottom material and is difficult to adhere to
A difficult problem, therefore, it is necessary to carry out the research of high-performance PP plastics aqueous priming paint.
Content of the invention
It is an object of the invention to solving the difficult problem that PP ground is difficult to adhere to, there is provided a kind of PP plastics aqueous priming paint and its preparation
Method.
The technical solution adopted in the present invention is：
A kind of PP plastics aqueous priming paint is it is characterised in that each component is consisted of by mass fraction：Water-borne acrylic resin emulsion
10-30 part, coalescents 5-10 part, water 25-35 part, silane coupler 2-5 part, dispersant 0.1-0.3 part, defoamer
0-0.3 part, blanc fixe 5-10 part, titanium dioxide 10-15 part, carbon black 0-0.01 part, anti-settling agent 1-2 part, PP attachment
Power accelerator 10-30 part, ground wetting agent 0.1-0.5 part, pH value regulator 0-3 part.
Each component is consisted of by more high quality number：22 parts of water-borne acrylic resin emulsion, 6.69 parts of coalescents, 28 parts of water,
3 parts of silane coupler, 0.2 part of dispersant, 0.2 part of defoamer, 6 parts of blanc fixe, 12 parts of titanium dioxide, carbon black 0.01
Part, 1.5 parts of anti-settling agent, 18 parts of PP adhesion promoter, 0.4 part of ground wetting agent, 2 parts of pH value regulator.
In described water-borne acrylic resin emulsion, the content of non-volatile part is 45%.
Described coalescents are one or more of Texanol, dipropylene or dipropylene glycol methyl ether.
Described PP adhesion promoter is acrylic acid modified chlorinated polyolefin resin emulsion or chlorinated polyolefin resin emulsion.
In described acrylic acid modified chlorinated polyolefin resin emulsion or chlorinated polyolefin resin emulsion, the content of non-volatile part is 30%.
Described pH value regulator is ammonia or N, N- dimethylethanolamine.
Model Wantipro 6318 of described water-borne acrylic resin emulsion, NeoCryl A639 or XK12；Silane coupler
Model CoatOSil 2287, CoatOSil MP200 or BYK-190；The model TEGO Dispers 755W of dispersant
Or 750W；The model TEGO Foamex 810 of defoamer；Model R972, SYLYSIA448 of anti-settling agent or H15；PP
Adhesion promoter selects acrylic acid modified chlorinated polyolefin resin latex A CP-16W or chlorinated polyolefin resin emulsion 310W；Bottom
Model BYK-346, BYK-348 of material wetting agent or TEGO Wet 265.
A kind of preparation method of PP plastics aqueous priming paint it is characterised in that comprising the following steps,
(1) weigh：Weigh each component according to the consumption in formula；
(2) dispensing：
(2.1) coalescents, silane coupler, 2.5-5 part water are added sequentially in material-compound tank, start stirring, stirring is all
Even, make premix thing standby；
(2.2) add water-borne acrylic resin emulsion in another material-compound tank, be slowly added into described step (2.1) under agitation
In the premix that is obtained, sequentially add dispersant, defoamer, blanc fixe, titanium dioxide, carbon black, anti-after stirring
Heavy agent, 2.5-5 part water, stir, are made into mill base；
(3) grind：The mill base stirring is ground；
(4) it is in harmonious proportion：Add PP adhesion promoter, ground wetting agent in formula under agitation, stir,
Adjust pH value to 7.5-8.5 with pH value regulator, after pH value is qualified, use 20-25 part water to adjust solids content to 28%-38%,
Make PP plastics aqueous priming paint.
In described step (3), during grinding temperature be less than 50 DEG C, be ground to fineness be less than 15 μm till.
Beneficial effects of the present invention are：
1st, the present invention is studied to water-base resin, aqueous promoter and feature color stuffing and comprehensive use, have developed high-performance
PP plastics aqueous priming paint, is adapted to various PP working of plastics priming paint, solves PP ground and is difficult the difficult problem adhered to it is achieved that aqueouss
Change, reduce the pollution to environment, the weakness to ground no maintenance for the general PP priming paint can be made up simultaneously；
2nd, in the present invention PP plastics aqueous priming paint with water as solvent, VOC content be far below 420 g/l, meet national industry political affairs
Plan, safety and environmental protection, to environment and operator's fanout free region；
3rd, using the water-base resin being adapted with PP plastic bottom material, solve the defect that PP plastic bottom material is difficult to adhere to, be adapted to
Auto parts and components and the sprayed protection of other PP plastic bottom materials；
4th, pass through the use of special color stuffing it is easy to constructing and defective PP plastic bottom material being made to be covered, formed flat
Whole apparent condition；
5th, product of the present invention is used for auto parts and components and other PP plastic bottom materials as primer painting, plays protection and decoration function.
Specific embodiment
Embodiment 1
PP plastics aqueous priming paint is prepared in accordance with the following steps
(1) weigh：
Weigh each component by mass fraction：15 parts of water-borne acrylic resin emulsion, 6 parts of coalescents, 29 parts of water, silane are even
Connection 3 parts of agent, 0.2 part of dispersant, 0.1 part of defoamer, 7 parts of blanc fixe, 14 parts of titanium dioxide, 0.01 part of carbon black,
1 part of anti-settling agent, 28 parts of PP adhesion promoter, 0.3 part of ground wetting agent, 2 parts of pH value regulator；
Wherein, model Wantipro 6318 of water-borne acrylic resin emulsion, NeoCryl A639 or XK12, non-volatile part
Content be 45%；Coalescents are Texanol (Eastman Chemical), dipropylene or dipropylene glycol methyl ether；Silane is even
Model CoatOSil 2287 of connection agent, CoatOSil MP200 or BYK-190；The model TEGO Dispers 755W of dispersant
Or 750W；The model TEGO Foamex 810 of defoamer；Model R972, SYLYSIA448 of anti-settling agent, H15；PP
Adhesion promoter selects acrylic acid modified chlorinated polyolefin resin latex A CP-16W or chlorinated polyolefin resin emulsion 310W, no
The content of fugitive constituent is 30%；Model BYK-346 of ground wetting agent, 348 or TEGO Wet 265；PH value regulator is
Ammonia or N, N- dimethylethanolamine.
(2) dispensing：
(2.1) 6 parts of coalescents, 3 parts of silane couplers, 2.5 parts of water are added sequentially in material-compound tank, start stirring,
Stir 10 minutes under 900 revs/min, be uniformly dispersed, make premix thing standby；
(2.2) add 15 parts of water-borne acrylic resin emulsions in another material-compound tank, be slowly added into step (2.1) under agitation
In the premix that is obtained, sequentially add after stirring 0.2 part of dispersant, 0.1 part of defoamer, 7 parts of blanc fixes, 14
Part titanium dioxide, 0.01 part of carbon black, 1 part of anti-settling agent, 2.5 parts of water, stir 10 minutes under 900 revs/min, are uniformly dispersed,
Make mill base；
(3) grind：Finely dispersed mill base is ground, during grinding, temperature is less than 50 DEG C, is ground to fineness and is less than 15 μm
Till；
(4) it is in harmonious proportion：28 parts of PP adhesion promoters in addition formula, 0.3 part of ground wetting agent, fill under agitation
Divide and stir, adjust pH values to 7.5-8.5 with 2 parts of pH value regulators, after pH value is qualified, adjust solids contents with 24 parts of water
To 28%-38%, make PP plastics aqueous priming paint.
Embodiment 2
PP plastics aqueous priming paint is prepared in accordance with the following steps
(1) weigh：
Weigh each component by mass fraction：22 parts of water-borne acrylic resin emulsion, 6.69 parts of coalescents, 28 parts of water, silane
3 parts of coupling agent, 0.2 part of dispersant, 0.2 part of defoamer, 6 parts of blanc fixe, 12 parts of titanium dioxide, 0.01 part of carbon black,
1.5 parts of anti-settling agent, 18 parts of PP adhesion promoter, 0.4 part of ground wetting agent, 2 parts of pH value regulator；
Wherein, model Wantipro 6318 of water-borne acrylic resin emulsion, NeoCryl A639 or XK12, non-volatile part
Content be 45%；Coalescents are Texanol (Eastman Chemical), dipropylene or dipropylene glycol methyl ether；Silane is even
Model CoatOSil 2287 of connection agent, CoatOSil MP200 or BYK-190；The model TEGO Dispers 755W of dispersant
Or 750W；The model TEGO Foamex 810 of defoamer；Model R972, SYLYSIA448 of anti-settling agent, H15；PP
Adhesion promoter selects acrylic acid modified chlorinated polyolefin resin latex A CP-16W or chlorinated polyolefin resin emulsion 310W, no
The content of fugitive constituent is 30%；Model BYK-346 of ground wetting agent, 348 or TEGO Wet 265；PH value regulator is
Ammonia or N, N- dimethylethanolamine.
(2) dispensing：
(2.1) 6.69 parts of coalescents, 3 parts of silane couplers, 3 parts of water are added sequentially in material-compound tank, start stirring,
Stir 10 minutes under 900 revs/min, be uniformly dispersed, make premix thing standby；
(2.2) add 22 parts of water-borne acrylic resin emulsions in another material-compound tank, be slowly added into step (2.1) under agitation
In the premix that is obtained, sequentially add after stirring 0.2 part of dispersant, 0.2 part of defoamer, 6 parts of blanc fixes, 12
Part titanium dioxide, 0.01 part of carbon black, 1.5 parts of anti-settling agents, 3 parts of water, stir 10 minutes under 900 revs/min, are uniformly dispersed,
Make mill base；
(3) grind：Finely dispersed mill base is ground, during grinding, temperature is less than 50 DEG C, is ground to fineness and is less than 15 μm
Till；
(4) it is in harmonious proportion：18 parts of PP adhesion promoters in addition formula, 0.4 part of ground wetting agent, fill under agitation
Divide and stir, adjust pH values to 7.5-8.5 with 2 parts of pH value regulators, after pH value is qualified, adjust solids contents with 22 parts of water
To 28%-38%, make PP plastics aqueous priming paint.
Embodiment 3
PP plastics aqueous priming paint is prepared in accordance with the following steps
(1) weigh：
Weigh each component by mass fraction：28 parts of water-borne acrylic resin emulsion, 7 parts of coalescents, 28 parts of water, silane are even
Connection 5 parts of agent, 0.2 part of dispersant, 0.3 part of defoamer, 7 parts of blanc fixe, 12 parts of titanium dioxide, 0.01 part of carbon black,
1 part of anti-settling agent, 15 parts of PP adhesion promoter, 0.2 part of ground wetting agent, 1 part of pH value regulator；
Wherein, model Wantipro 6318 of water-borne acrylic resin emulsion, NeoCryl A639 or XK12, non-volatile part
Content be 45%；Coalescents are Texanol (Eastman Chemical), dipropylene or dipropylene glycol methyl ether；Silane is even
Model CoatOSil 2287 of connection agent, CoatOSil MP200 or BYK-190；The model TEGO Dispers 755W of dispersant
Or 750W；The model TEGO Foamex 810 of defoamer；Model R972, SYLYSIA448 of anti-settling agent, H15；PP
Adhesion promoter selects acrylic acid modified chlorinated polyolefin resin latex A CP-16W or chlorinated polyolefin resin emulsion 310W, no
The content of fugitive constituent is 30%；Model BYK-346 of ground wetting agent, 348 or TEGO Wet 265；PH value regulator is
Ammonia or N, N- dimethylethanolamine.
(2) dispensing：
(2.1) 7 parts of coalescents, 5 parts of silane couplers, 4 parts of water are added sequentially in material-compound tank, start stirring,
Stir 10 minutes under 900 revs/min, be uniformly dispersed, make premix thing standby；
(2.2) add 28 parts of water-borne acrylic resin emulsions in another material-compound tank, be slowly added into step (2.1) under agitation
In the premix that is obtained, sequentially add after stirring 0.2 part of dispersant, 0.3 part of defoamer, 7 parts of blanc fixes, 12
Part titanium dioxide, 0.01 part of carbon black, 1 part of anti-settling agent, 4 parts of water, stir 10 minutes under 900 revs/min, are uniformly dispersed, system
Become mill base；
(3) grind：Finely dispersed mill base is ground, during grinding, temperature is less than 50 DEG C, is ground to fineness and is less than 15 μm
Till；
(4) it is in harmonious proportion：15 parts of PP adhesion promoters in addition formula, 0.2 part of ground wetting agent, fill under agitation
Divide and stir, adjust pH value to 7.5-8.5 with 1 part of pH value regulator, after pH value is qualified, adjust solids contents with 20 parts of water
To 28%-38%, make PP plastics aqueous priming paint.
Construction application example
By the bumper isopropyl alcohol wipe down of PP ground, PP plastics aqueous priming paint is diluted with 10% water, spraying
To on bumper, apply aqueous finish paint after dodging dry 5-10 minute, then dodge dry 5-10 minute, dry under the conditions of 60-80 DEG C
30min.
After testing, the key technical indexes of the PP plastics aqueous priming paint in the present invention is as follows：
| Detection project | Technical specification | The method of inspection |
| Fineness | ≤15μm | GB/T1724-1979 |
| Solids content | 35 ± 2% | GB/T1725-1979 |
| Survey film outward appearance | Flat smooth | Range estimation |
| 60 ° of gloss | 50-70 | GB/T9754-2007 |
| Adhesive force (PP ground) 1mm | 1 grade | GB/T9286-1998 |
| 100 DEG C × 1h of resistance to water | Qualified | GB/T1733-1993 |
The present invention is studied to water-base resin, aqueous promoter and feature color stuffing and comprehensive use, have developed high-performance PP
Plastics aqueous priming paint, is adapted to various PP working of plastics priming paint, solve PP ground be difficult adhere to a difficult problem it is achieved that Water-borne modification,
Reduce the pollution to environment, the weakness to ground no maintenance for the general PP priming paint can be made up simultaneously.
Above 3 embodiments of the present invention are described in detail, but described content has been only presently preferred embodiments of the present invention, no
The practical range for limiting the present invention can be considered.All impartial changes made according to the present patent application scope and improvement etc., all should
Still belong within the patent covering scope of the present invention.
Claims (10)
1. a kind of PP plastics aqueous priming paint is it is characterised in that each component is consisted of by mass fraction：Water-borne acrylic resin emulsion 10-30 part, coalescents 5-10 part, water 25-35 part, silane coupler 2-5 part, dispersant 0.1-0.3 part, defoamer 0-0.3 part, blanc fixe 5-10 part, titanium dioxide 10-15 part, carbon black 0-0.01 part, anti-settling agent 1-2 part, PP adhesion promoter 10-30 part, ground wetting agent 0.1-0.5 part, pH value regulator 0-3 part.
2. a kind of PP plastics aqueous priming paint according to claim 1 it is characterised in that：Each component is consisted of by more high quality number：22 parts of water-borne acrylic resin emulsion, 6.69 parts of coalescents, 28 parts of water, 3 parts of silane coupler, 0.2 part of dispersant, 0.2 part of defoamer, 6 parts of blanc fixe, 12 parts of titanium dioxide, 0.01 part of carbon black, 1.5 parts of anti-settling agent, 18 parts of PP adhesion promoter, 0.4 part of ground wetting agent, 2 parts of pH value regulator.
3. a kind of PP plastics aqueous priming paint according to claim 1 it is characterised in that：In described water-borne acrylic resin emulsion, the content of non-volatile part is 45%.
4. a kind of PP plastics aqueous priming paint according to claim 1 it is characterised in that：Described coalescents are one or more of Texanol, dipropylene or dipropylene glycol methyl ether.
5. a kind of PP plastics aqueous priming paint according to claim 1 it is characterised in that：Described PP adhesion promoter is acrylic acid modified chlorinated polyolefin resin emulsion or chlorinated polyolefin resin emulsion.
6. a kind of PP plastics aqueous priming paint according to claim 5 it is characterised in that：In described acrylic acid modified chlorinated polyolefin resin emulsion or chlorinated polyolefin resin emulsion, the content of non-volatile part is 30%.
7. a kind of PP plastics aqueous priming paint according to claim 1 it is characterised in that：Described pH value regulator is ammonia or N, N- dimethylethanolamine.
8. a kind of PP plastics aqueous priming paint according to claim 1 it is characterised in that：Model Wantipro 6318 of described water-borne acrylic resin emulsion, NeoCryl A639 or XK12；Model CoatOSil 2287 of silane coupler, CoatOSil MP200 or BYK-190；The model TEGO Dispers of dispersant
755W or 750W；The model TEGO Foamex 810 of defoamer；Model R972, SYLYSIA448 of anti-settling agent or H15；PP adhesion promoter selects acrylic acid modified chlorinated polyolefin resin latex A CP-16W or chlorinated polyolefin resin emulsion 310W；Model BYK-346, BYK-348 of ground wetting agent or TEGO Wet 265.
9. a kind of preparation method of PP plastics aqueous priming paint is it is characterised in that comprise the following steps,
（1）Weigh：Weigh each component according to the consumption in formula；
（2）Dispensing：
（2.1）Coalescents, silane coupler, 2.5-5 part water are added sequentially in material-compound tank, start stirring, stir, make premix thing standby；
（2.2）Add water-borne acrylic resin emulsion in another material-compound tank, be slowly added into described step under agitation（2.1）In be obtained premix, sequentially add dispersant, defoamer, blanc fixe, titanium dioxide, carbon black, anti-settling agent, 2.5-5 part water after stirring, stir, be made into mill base；
（3）Grind：The mill base stirring is ground；
（4）It is in harmonious proportion：Add PP adhesion promoter, ground wetting agent in formula under agitation, stir, adjust pH value to 7.5-8.5 with pH value regulator, use 20-25 part water to adjust solids content to 28%-38% after pH value is qualified, make PP plastics aqueous priming paint.
10. a kind of PP plastics aqueous priming paint according to claim 9 preparation method it is characterised in that：Described step（3）In, during grinding, temperature is less than 50 DEG C, is ground to fineness less than till 15 m.
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| CN107694884A (en) * | 2017-09-20 | 2018-02-16 | 阜南县鲲鹏塑业科技有限公司 | A kind of coating process of mahjong machine plastic member |
| CN107760095A (en) * | 2017-12-01 | 2018-03-06 | 云南红塔油墨有限公司 | Water-based gravure gold ink and preparation method thereof |
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| CN111073420A (en) * | 2019-12-20 | 2020-04-28 | 珠海展辰新材料股份有限公司 | Water-based acrylic coating and preparation method thereof |
| CN112724756A (en) * | 2020-12-25 | 2021-04-30 | 河北鲁班制漆有限公司 | Acrylic acid water-based industrial paint and preparation method thereof |
| CN114133808A (en) * | 2021-12-31 | 2022-03-04 | 常州市烨超化工有限公司 | Multifunctional plastic primer |
| CN114410172A (en) * | 2021-12-10 | 2022-04-29 | 东周化学工业（昆山）有限公司 | Water-based UV varnish applied to PP (polypropylene) base material of cosmetic and using method thereof |
| CN114410160A (en) * | 2021-10-29 | 2022-04-29 | 上海金力泰化工股份有限公司 | Universal low-temperature water-based conductive primer for automobile parts and preparation method and application thereof |
| CN114591658A (en) * | 2020-11-19 | 2022-06-07 | 宁波激阳新能源有限公司 | Fluorocarbon coating liquid and solar backboard |
| CN115717010A (en) * | 2022-12-26 | 2023-02-28 | 天津科瑞达涂料化工有限公司 | Light-colored waterborne conductive PP primer for automobile bumpers and application thereof |
| CN116355479A (en) * | 2023-03-16 | 2023-06-30 | 深圳市鸿合创新信息技术有限责任公司 | Water-based paint, preparation method thereof and engineering plastic |
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| CN107760095A (en) * | 2017-12-01 | 2018-03-06 | 云南红塔油墨有限公司 | Water-based gravure gold ink and preparation method thereof |
| CN109575854A (en) * | 2018-12-03 | 2019-04-05 | 苏州市陆氏新材料有限公司 | A kind of preparation method of aqueous PP inorganic agent |
| CN111073420B (en) * | 2019-12-20 | 2021-10-22 | 珠海展辰新材料股份有限公司 | Water-based acrylic coating and preparation method thereof |
| CN111073420A (en) * | 2019-12-20 | 2020-04-28 | 珠海展辰新材料股份有限公司 | Water-based acrylic coating and preparation method thereof |
| CN114591658A (en) * | 2020-11-19 | 2022-06-07 | 宁波激阳新能源有限公司 | Fluorocarbon coating liquid and solar backboard |
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