CN105860715A - Wear-resisting water-soluble polyacrylic acid coating preparing method - Google Patents
Wear-resisting water-soluble polyacrylic acid coating preparing method Download PDFInfo
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- CN105860715A CN105860715A CN201610428618.7A CN201610428618A CN105860715A CN 105860715 A CN105860715 A CN 105860715A CN 201610428618 A CN201610428618 A CN 201610428618A CN 105860715 A CN105860715 A CN 105860715A
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- crystalline state
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
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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
- C09D7/65—Additives macromolecular
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a wear-resisting water-soluble polyacrylic acid coating preparing method and belongs to the field of polyacrylic acid paint. According to the preparing method, a certain amount of tetraethoxysilane is added to nanocrystalline cellulose colloid to obtain composite SiO2/nanocrystalline cellulose colloid by means of the sol-gel method, and then the composite colloid is added to a water-soluble polyacrylic acid coating for reaction so that a wear-resisting water-soluble polyacrylic acid coating can be obtained. Tests prove that compared with ordinary water-soluble polyacrylic acid coatings, the hardness of a film prepared from the wear-resisting water-soluble polyacrylic acid coating is increased to 5-6 H from 4 H, surface adhesive force is increased to the second to third level from the fourth level, and wear rate is reduced to 0.65-0.53% from 0.87%.
Description
Technical field
The present invention relates to the application of polyacrylic acid coating, be specifically related to the preparation method of a kind of wear-resisting water-soluble polypropylene acid coating.
Background technology
Polyacrylic acid coating has preferable glossiness, acid and alkali-resistance, chemical-resistant etc., and production safety, low price.Traditional polyacrylic acid is coated with
Material in use can be to environment due to the volatilization of organic solvent.Compared with organic solvent type polyacrylic acid coating, water-soluble polypropylene
Acid coating has nontoxic, tasteless, excellent weatherability, uses the feature such as safety, environmentally safe, is a kind of low VOC (VOC)
Environmental type product.But, there is defects such as wearing no resistance, hardness is low in current water-soluble polypropylene acid coating, is seldom used alone, multiplex
To be combined with polyurethane to do anticorrosive paint.Therefore, improve wearability and the hardness of water-soluble polypropylene acid coating, water-soluble polypropylene acid can be promoted
Being used alone of coating, reaches economic and environment-friendly double effects.
Nano silicon is Inorganic Non-metallic Materials nontoxic, tasteless, free of contamination, has good wearability, is often improved the wear-resisting of coating
Property.But nano silicon bulk density is low, specific surface area big, reactivity is strong, easily causes reunion in coating, thus affects coating
Dispersiveness and wearability.SiO2/ crystalline state nanometer cellulose (nanocrystalline cellulose, NCC) composite colloid is the template effect utilizing NCC,
In-situ preparation Nano-meter SiO_2 on NCC2, formed SiO2/ NCC composite colloid.With single SiO2Compare, SiO2/ NCC composite colloid performance is complete
Kind, existing SiO2The performances such as distinctive electric conductivity, thermal resistance, stability, wearability, also have the high-crystallinity of NCC, high Young's modulus, height concurrently
The characteristic such as intensity, multi-stage artery structure.Therefore, SiO2/ NCC composite colloid not only has the total surface of nano material and interfacial effect, little chi
Very little effect etc., and can be by SiO2Together with NCC performance synthesis, thus produce many strange performances.Due to these performances, SiO2/NCC
It is increasingly becoming one the most material modified.For water soluble paint, NCC can not only the mechanical property of reinforcement film effectively, moreover it is possible to effectively change
The kind wearability of film, weatherability and heat resistance.The present invention is by compatibility excellent for NCC in composite colloid and SiO2Wearability be applied to
Polyacrylic acid coating, improves the wearability of water-soluble polypropylene acid coating, extends SiO2The range of/NCC composite colloid.
Summary of the invention
The purpose of the present invention: the preparation method of a kind of wear-resisting water-soluble polypropylene acid coating is provided.
The technical solution of the present invention: the preparation method of a kind of wear-resisting water-soluble polypropylene acid coating, is to add in crystalline state nanometer cellulose colloid
A certain amount of tetraethyl orthosilicate, through sol-gel process, obtains SiO2/ NCC composite colloid, then adds composite colloid water-soluble polypropylene acid and is coated with
Material reacts, prepares wear-resisting water-soluble polypropylene acid coating.Concrete preparation method is as follows:
(1) in mass ratio 0.4～0.8: 100 weigh crystalline state nanometer cellulose, distilled water, be sufficiently mixed, at 500～800bar high-pressure homogeneous 5～8 times,
Obtain finely dispersed crystalline state nanometer cellulose colloid；
(2) in the crystalline state nanometer cellulose colloid of step (1), tetraethyl orthosilicate in mass ratio: absolute ethyl alcohol: hydrochloric acid: crystalline state nanometer cellulose=
(1.8～3.6): (0.47～0.94): (0.003～0.006): 100 weigh tetraethyl orthosilicate, absolute ethyl alcohol, hydrochloric acid, are added sequentially to crystalline state nanometer
In cellulose colloid, 55～65 DEG C stir 2～3h, be subsequently adding ammonia spirit regulation pH value to 9, stir 2～4h, obtain SiO2/ NCC is multiple
Rubber alloy body；
(3) SiO that step (2) is prepared2/ NCC composite colloid adds in water-soluble polypropylene acid coating, adds distilled water diluting, ultrasonic 15～30min,
Then stir 12～24h at 25～30 DEG C, form wear-resisting water-soluble polypropylene acid coating, and make in the wear-resisting water-soluble polypropylene acid coating of formation
SiO2/ NCC and polyacrylic mass ratio are 1～7: 100.
Advantages of the present invention: the method utilizes SiO2The good surface of/NCC composite colloid and interfacial effect and excellent wearability, on the one hand carry
High Nano-meter SiO_22Dispersiveness in coating, on the other hand improves the adhesion strength of coating and matrix, thus improves the resistance to of water-soluble polypropylene acid film
Mill property and intensity.Wear-resisting water-soluble polypropylene acid coating is made film and is shown through performance test: compared with conventional water-soluble polyacrylic acid coating,
The hardness of wear-resisting water-soluble polypropylene acid coating brings up to 5H～6H from 4H, and surface adhesion force brings up to two grades～three grades from level Four, and wear rate is from 0.87%
Drop to 0.65%～0.53%.
Detailed description of the invention
Embodiment 1,
(1) in mass ratio 0.4: 100 weigh crystalline state nanometer cellulose, distilled water, be sufficiently mixed, at 500～800bar high-pressure homogeneous 5 times, obtain
Finely dispersed crystalline state nanometer cellulose colloid；
(2) tetraethyl orthosilicate in mass ratio in the crystalline state nanometer cellulose colloid of step (1): absolute ethyl alcohol: hydrochloric acid: crystalline state nanometer cellulose
Weigh tetraethyl orthosilicate, absolute ethyl alcohol, hydrochloric acid at=1.8: 0.47: 0.003: 100, is added sequentially in crystalline state nanometer cellulose colloid, stirs at 55～65 DEG C
Mix 2～3h, be subsequently adding ammonia spirit regulation pH value to 9, be sufficiently stirred for 2～4h, obtain SiO2/ NCC composite colloid；
(3) SiO that step (2) is prepared2/ NCC composite colloid adds in water-soluble polypropylene acid coating, adds distilled water diluting, ultrasonic 15min,
Then stir 24h at 25～30 DEG C, form wear-resisting water-soluble polypropylene acid coating, and make SiO in the wear-resisting water-soluble polypropylene acid coating of formation2/NCC
It is 1: 100 with polyacrylic mass ratio.
Wear-resisting water-soluble polypropylene acid coating is made film and through performance test, and pencil hardness is 5H, and surface adhesion force is three grades, and wear rate is
0.65%.
Embodiment 2,
(1) in mass ratio 0.6: 100 weigh crystalline state nanometer cellulose, distilled water, be sufficiently mixed, at 500～800bar high-pressure homogeneous 6 times, obtain
Finely dispersed crystalline state nanometer cellulose colloid；
(2) tetraethyl orthosilicate in mass ratio in the crystalline state nanometer cellulose colloid of step (1): absolute ethyl alcohol: hydrochloric acid: crystalline state nanometer cellulose
Weigh tetraethyl orthosilicate, absolute ethyl alcohol, hydrochloric acid at=2.0: 0.56: 0.006: 100, is added sequentially in crystalline state nanometer cellulose colloid, stirs at 55～65 DEG C
Mix 2～3h, be subsequently adding ammonia spirit regulation pH value to 9, be sufficiently stirred for 2～4h, obtain SiO2/ NCC composite colloid；
(3) SiO that step (2) is prepared2/ NCC composite colloid adds in water-soluble polypropylene acid coating, adds distilled water diluting, ultrasonic 22min,
Then stir 18h at 25～30 DEG C, form wear-resisting water-soluble polypropylene acid coating, and make SiO in the wear-resisting water-soluble polypropylene acid coating of formation2/NCC
It is 3.5: 100 with polyacrylic mass ratio.
Wear-resisting water-soluble polypropylene acid coating is made film and through performance test, and pencil hardness is 6H, and surface adhesion force is two grades, and wear rate is
0.53%.
Embodiment 3,
(1) in mass ratio 0.8: 100 weigh crystalline state nanometer cellulose, distilled water, be sufficiently mixed, at 500～800bar high-pressure homogeneous 8 times, obtain
Finely dispersed crystalline state nanometer cellulose colloid；
(2) tetraethyl orthosilicate in mass ratio in the crystalline state nanometer cellulose colloid of step (1): absolute ethyl alcohol: hydrochloric acid: crystalline state nanometer cellulose
Weigh tetraethyl orthosilicate, absolute ethyl alcohol, hydrochloric acid at=3.6: 0.94: 0.005: 100, is added sequentially in crystalline state nanometer cellulose colloid, stirs at 55～65 DEG C
Mix 2～3h, be subsequently adding ammonia spirit regulation pH value to 9, be sufficiently stirred for 2～4h, obtain SiO2/ NCC composite colloid；
(3) SiO that step (2) is prepared2/ NCC composite colloid adds in water-soluble polypropylene acid coating, adds distilled water diluting, ultrasonic 30min,
Then stir 12h at 25～30 DEG C, form wear-resisting water-soluble polypropylene acid coating, and make SiO in the wear-resisting water-soluble polypropylene acid coating of formation2/NCC
It is 7: 100 with polyacrylic mass ratio.
Wear-resisting water-soluble polypropylene acid coating is made film and through performance test, and pencil hardness is 5H, and surface adhesion force is two grades, and wear rate is
060%.
Claims (1)
1. a preparation method for wear-resisting water-soluble polypropylene acid coating, is to add a certain amount of tetraethyl orthosilicate, warp in crystalline state nanometer cellulose colloid
Sol-gel process, obtains SiO2/ crystalline state nanometer cellulose composite colloid, then adds composite colloid in water-soluble polypropylene acid coating and reacts, system
Obtain wear-resisting water-soluble polypropylene acid coating.Concrete preparation method is as follows:
(1) in mass ratio 0.4～0.8: 100 weigh crystalline state nanometer cellulose, distilled water, be sufficiently mixed, at 500～800bar high-pressure homogeneous 5～8 times,
Obtain finely dispersed crystalline state nanometer cellulose colloid；
(2) in the crystalline state nanometer cellulose colloid of step (1), tetraethyl orthosilicate in mass ratio: absolute ethyl alcohol: hydrochloric acid: crystalline state nanometer cellulose=
(1.8～3.6): (0.47～0.94): (0.003～0.006): 100 weigh tetraethyl orthosilicate, absolute ethyl alcohol, hydrochloric acid, are added sequentially to crystalline state nanometer
In cellulose colloid, 55～65 DEG C stir 2～3h, be subsequently adding ammonia spirit regulation pH value to 9, stir 2～4h, obtain SiO2/ crystalline state nanometer
Cellulose composite colloid；
(3) SiO that step (2) is prepared2/ crystalline state nanometer cellulose composite colloid adds in water-soluble polypropylene acid coating, adds distilled water diluting,
Ultrasonic 15～30min, then stir 12～24h at 25～30 DEG C, form wear-resisting water-soluble polypropylene acid coating, and make the wear-resisting water-soluble poly of formation
SiO in acrylic coating2/ crystalline state nanometer cellulose and polyacrylic mass ratio are 1～7: 100.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610428618.7A CN105860715B (en) | 2016-06-13 | 2016-06-13 | A kind of preparation method of the sour coating of wear-resisting water-soluble polypropylene |
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| CN201610428618.7A CN105860715B (en) | 2016-06-13 | 2016-06-13 | A kind of preparation method of the sour coating of wear-resisting water-soluble polypropylene |
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| CN105860715A true CN105860715A (en) | 2016-08-17 |
| CN105860715B CN105860715B (en) | 2017-09-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597586A (en) * | 2017-02-10 | 2017-04-26 | 中新科技集团股份有限公司 | Manufacturing method of liquid crystal display diffusion plate |
| CN108314934A (en) * | 2018-02-07 | 2018-07-24 | 南京林业大学 | A kind of preparation method of rainbow effect water-soluble polypropylene acid coating |
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| CN101885936A (en) * | 2010-07-26 | 2010-11-17 | 南京林业大学 | Preparation method of microcrystalline cellulose-enhanced acrylic acid wear-resistant coating |
| CN102850894A (en) * | 2012-07-03 | 2013-01-02 | 杭州和合玻璃工业有限公司 | Composite sol for anti-reflection coating and anti-reflection coated photovoltaic glass |
| WO2015177795A1 (en) * | 2014-05-20 | 2015-11-26 | Yissum Research Development Company Of The Hebrew University Of Jerusalem Ltd. | Nano crystalline cellulose in construction applications |
| CN105566755A (en) * | 2015-12-31 | 2016-05-11 | 南京林业大学 | Surface layer-core layer synchronous co-extrusion flame-retardant wood-plastic composite material and manufacturing method thereof |
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2016
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Patent Citations (4)
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| CN101885936A (en) * | 2010-07-26 | 2010-11-17 | 南京林业大学 | Preparation method of microcrystalline cellulose-enhanced acrylic acid wear-resistant coating |
| CN102850894A (en) * | 2012-07-03 | 2013-01-02 | 杭州和合玻璃工业有限公司 | Composite sol for anti-reflection coating and anti-reflection coated photovoltaic glass |
| WO2015177795A1 (en) * | 2014-05-20 | 2015-11-26 | Yissum Research Development Company Of The Hebrew University Of Jerusalem Ltd. | Nano crystalline cellulose in construction applications |
| CN105566755A (en) * | 2015-12-31 | 2016-05-11 | 南京林业大学 | Surface layer-core layer synchronous co-extrusion flame-retardant wood-plastic composite material and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597586A (en) * | 2017-02-10 | 2017-04-26 | 中新科技集团股份有限公司 | Manufacturing method of liquid crystal display diffusion plate |
| CN108314934A (en) * | 2018-02-07 | 2018-07-24 | 南京林业大学 | A kind of preparation method of rainbow effect water-soluble polypropylene acid coating |
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| CN105860715B (en) | 2017-09-29 |
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