CN110016260A - A kind of Nantural non-toxic high transparency water-mist-proof coating and preparation method thereof - Google Patents
A kind of Nantural non-toxic high transparency water-mist-proof coating and preparation method thereof Download PDFInfo
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- CN110016260A CN110016260A CN201910339224.8A CN201910339224A CN110016260A CN 110016260 A CN110016260 A CN 110016260A CN 201910339224 A CN201910339224 A CN 201910339224A CN 110016260 A CN110016260 A CN 110016260A
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- pectin
- tannic acid
- mist
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- high transparency
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
-
- 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
- C09D105/00—Coating compositions based on polysaccharides or on their derivatives, not provided for in groups C09D101/00 or C09D103/00
- C09D105/06—Pectin; Derivatives thereof
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/18—Materials not provided for elsewhere for application to surfaces to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
- C08J2405/06—Pectin; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
Abstract
The invention discloses a kind of Nantural non-toxic high transparency water-mist-proof coatings and preparation method thereof.It is with pectin and tannic acid in the coating with molecular level compound, the mass fraction of tannic acid in the coating is 0.01~99.99wt%；Preparation method are as follows: prepare pectin solution；Prepare tannic acid solution；Prepare the mixed solution of pectin and tannic acid；The mixed solution of pectin and tannic acid is coated on substrate surface；It is dry, obtain the Nantural non-toxic high transparency water-mist-proof coating.The raw materials used in the present invention Nantural non-toxic, preparation method is simple and easy to do, and resulting coating has high transparency and excellent water-mist-proof performance, has broad application prospects in fields such as windshield, spectacle lens, camera lens and plastics packages.
Description
Technical field
The present invention relates to a kind of coatings and preparation method thereof, apply more particularly, to a kind of Nantural non-toxic high transparency water-mist-proof
Layer and preparation method thereof.
Background technique
In production and life, the water mist on the surfaces such as windshield, spectacle lens, camera lens and plastics package gives me
Bring the danger of inconvenience potentially even.In order to solve problems, researchers develop a variety of methods.Wherein,
Constructing hydrophilic or even super-hydrophilic coating is a kind of effective method.However, still having some problems in the method reported at present.
Firstly, the material of report is mostly synthetic material, complicated chemical reaction process or dedicated instrument and equipment, material therefor are needed
It is mostly harmful to health of human body or environment.Secondly, the preparation method of report generally requires complicated technical matters, or need
Longer manufacturing cycle.In addition, not influencing the transparency of substrate itself, in practical applications while obtaining water-mist-proof performance
It is also valuable.Therefore, how to prepare nontoxic and high transparency water-mist-proof coating using easily and efficiently preparation method is
One urgent problem to be solved.
Summary of the invention
In order to solve the problems, such as background technique, it is anti-that the purpose of the present invention is to provide a kind of Nantural non-toxic high transparencies
Water mist coating and preparation method thereof.
In order to achieve the above objectives, the technical solution used to solve the technical problems of the present invention is that:
One, a kind of Nantural non-toxic high transparency water-mist-proof coating:
Mainly it is made of two kinds of materials of pectin and tannic acid.
It is by pectin and tannic acid in the coating with molecular level compound, the mass fraction of tannic acid in the coating is 0.01
~99.99wt%.
Two, a kind of preparation method of Nantural non-toxic high transparency water-mist-proof coating:
Step 1) prepares pectin solution；
Step 2) prepares tannic acid solution；
Step 3) prepares the mixed solution of pectin and tannic acid；
The mixed solution of pectin and tannic acid is coated on substrate surface by step 4)；
Step 5) is dry, obtains the Nantural non-toxic high transparency water-mist-proof coating.
The preparation of pectin solution is that pectin starting material is added in deionized water in step 1), under room temperature, is stirred until homogeneous
It is bright, obtain the pectin solution that concentration is 1~5wt%.
The preparation of tannic acid solution is that tannin acid starting material is added in deionized water in step 2), under room temperature, is stirred to equal
It is even transparent, obtain the tannic acid solution that concentration is 1~5wt%.
The preparation of pectin and tannic acid mixed solution is that the pectin solution prepared in step 1) is added dropwise to step in step 3)
It is rapid 2) in the tannic acid solution for preparing, under room temperature, be stirred until homogeneous transparent, the mass fraction of tannic acid is in mixed solution
0.01~99.99wt%.
Substrate in step 4) refers to sheet glass, pet film, polylactic acid film, poly- carbonic acid
One of film made of ester film, polyethylene film, polypropylene film, polyvinyl chloride film and other resins.
Coating in step 4) refers to substrate as claimed in claim 7 immersing pectin and tannin described in step 3)
1-10min in the mixed solution of acid, then vertically slowly lifts substrate, and pectin and tannic acid mixed solution retain cloth when lifting
It is placed in substrate surface.
Drying in step 5) refers to that slow evaporation removes moisture removal under the environment of room temperature~80 DEG C.
Compared with the background art, the beneficial effects of the present invention are:
The raw materials used in the present invention pectin and tannic acid Nantural non-toxic, preparation method is simple and easy to do and short preparation period, gained
Coating there is excellent water-mist-proof performance and the transparency of substrate can be retained, in windshield, spectacle lens, camera lens
Have broad application prospects with fields such as plastics packages.
Specific embodiment
Invention is further described in detail combined with specific embodiments below.
The embodiment of the present invention is as follows:
In following embodiment, pet film (thickness is about 300 μm), pectin (galacturonic acid
(butt meter) >=74.0%) and tannic acid (analysis pure) be commercially available material.Water-mist-proof performance test methods in embodiment: it will handle
After the boiled water surface about 5cm and holding 60s of the pet film distance boiling of front and back, using light transmittance mist
It spends analyzer (Shen light WGT-S, Shanghai) and measures light transmittance.
Embodiment 1:
(1) 1g pectin starting material is added in 99g deionized water, under room temperature, is stirred until homogeneous transparent, obtaining concentration is
The pectin solution of 1wt%.
(2) 1g tannin acid starting material is added in 99g deionized water, under room temperature, is stirred until homogeneous transparent, obtaining concentration is
The tannic acid solution of 1wt%.
(3) tannic acid solution prepared in 1g step (2) is added dropwise in the pectin solution prepared in 99g step (1), often
Under temperature, it is stirred until homogeneous transparent.
(4) pet film is immersed to the pectin and tannic acid mixed solution prepared in step (3)
Then middle 1min vertically slowly lifts.
(5) slow evaporation removes moisture removal under room temperature, obtains the pectin and tannic acid composite coating.
Water-mist-proof performance test: blank sample is after the boiled water surface about 5cm and holding 60s of boiling, light transmittance 64%；Place
Pet film is after the boiled water surface about 5cm and holding 60s of boiling after reason, light transmittance 79%.
Embodiment 2:
(1) 5g pectin starting material is added in 95g deionized water, under room temperature, is stirred until homogeneous transparent, obtaining concentration is
The pectin solution of 5wt%.
(2) 5g tannin acid starting material is added in 95g deionized water, under room temperature, is stirred until homogeneous transparent, obtaining concentration is
The tannic acid solution of 5wt%.
(3) pectin solution prepared in 4g step (1) is added dropwise in the tannic acid solution prepared in 40g step (2), often
Under temperature, it is stirred until homogeneous transparent.
(4) pet film is immersed to the pectin and tannic acid mixed solution prepared in step (3)
Then middle 10min vertically slowly lifts.
Slow evaporation removes moisture removal at (5) 60 DEG C, obtains the pectin and tannic acid composite coating.
Water-mist-proof performance test: blank sample is after the boiled water surface about 5cm and holding 60s of boiling, light transmittance 64%；Place
Pet film is after the boiled water surface about 5cm and holding 60s of boiling after reason, light transmittance 75%.
Embodiment 3:
(1) 2g pectin starting material is added in 98g deionized water, under room temperature, is stirred until homogeneous transparent, obtaining concentration is
The pectin solution of 2wt%.
(2) 2g tannin acid starting material is added in 98g deionized water, under room temperature, is stirred until homogeneous transparent, obtaining concentration is
The tannic acid solution of 2wt%.
(3) pectin solution prepared in 50g step (1) is added dropwise in the tannic acid solution prepared in 50g step (2),
Under room temperature, it is stirred until homogeneous transparent.
(4) pet film is immersed to the pectin and tannic acid mixed solution prepared in step (3)
Then middle 5min vertically slowly lifts.
Slow evaporation removes moisture removal at (5) 80 DEG C, obtains the pectin and tannic acid composite coating.
Water-mist-proof performance test: blank sample is after the boiled water surface about 5cm and holding 60s of boiling, light transmittance 64%；Place
Pet film is after the boiled water surface about 5cm and holding 60s of boiling after reason, light transmittance 88%.
From the test data of above embodiments it is found that pectin and tannic acid composite coating assign polyethylene terephthalate
The excellent water-mist-proof performance of ester film substrate.
Above-described embodiment is only used to explain the present invention, rather than limits the scope of the invention.In spirit of the invention
Any equivalent change or modification made in essence and claims is all considered as within the scope of the present invention.
Claims (9)
1. a kind of Nantural non-toxic high transparency water-mist-proof coating, it is characterised in that:
Mainly it is made of two kinds of materials of pectin and tannic acid.
2. a kind of Nantural non-toxic high transparency water-mist-proof coating according to claim 1, it is characterised in that:
By pectin and tannic acid in the coating with molecular level compound, the mass fraction of tannic acid in the coating is 0.01~
99.99wt%.
3. a kind of preparation method of Nantural non-toxic high transparency water-mist-proof coating described in claim 1, which is characterized in that this method
The following steps are included:
Step 1) prepares pectin solution；
Step 2) prepares tannic acid solution；
Step 3) prepares pectin and tannic acid mixed solution；
Pectin and tannic acid mixed solution are coated on substrate surface by step 4)；
Step 5) is dry, obtains the Nantural non-toxic high transparency water-mist-proof coating.
4. a kind of preparation method of Nantural non-toxic high transparency water-mist-proof coating according to claim 3, it is characterised in that: institute
The preparation for stating pectin solution in step 1) is that pectin starting material is added in deionized water, under room temperature, is stirred until homogeneous transparent, obtains
Concentration is the pectin solution of 1~5wt%.
5. a kind of preparation method of Nantural non-toxic high transparency water-mist-proof coating according to claim 3, it is characterised in that: institute
State tannic acid solution in step 2) preparation be by tannin acid starting material be added deionized water in, under room temperature, be stirred until homogeneous it is transparent,
Obtain the tannic acid solution that concentration is 1~5wt%.
6. a kind of preparation method of Nantural non-toxic high transparency water-mist-proof coating according to claim 3, it is characterised in that: institute
The preparation for stating pectin and tannic acid mixed solution in step 3) is that the pectin solution prepared in step 1) is added dropwise in step 2)
In the tannic acid solution of preparation, under room temperature, be stirred until homogeneous it is transparent, in mixed solution the mass fraction of tannic acid be 0.01~
99.99wt%.
7. a kind of preparation method of Nantural non-toxic high transparency water-mist-proof coating according to claim 3, it is characterised in that: institute
It states the substrate in step 4) and refers to that sheet glass, pet film, polylactic acid film, polycarbonate are thin
One of film made of film, polyethylene film, polypropylene film, polyvinyl chloride film and other resins.
8. a kind of preparation method of Nantural non-toxic high transparency water-mist-proof coating according to claim 7, it is characterised in that: institute
The coating in step 4) is stated to refer to immersing substrate as claimed in claim 7 into the mixed of pectin and tannic acid described in step 3)
1-10min in solution is closed, then vertically lifts substrate.
9. a kind of preparation method of Nantural non-toxic high transparency water-mist-proof coating according to claim 3, it is characterised in that: institute
It states the drying in step 5) and refers to the evaporative removal moisture under the environment of room temperature~80 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910339224.8A CN110016260B (en) | 2019-04-25 | 2019-04-25 | Natural nontoxic highly transparent water-proof fog coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910339224.8A CN110016260B (en) | 2019-04-25 | 2019-04-25 | Natural nontoxic highly transparent water-proof fog coating and preparation method thereof |
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| CN110016260A true CN110016260A (en) | 2019-07-16 |
| CN110016260B CN110016260B (en) | 2021-02-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111363182A (en) * | 2020-04-30 | 2020-07-03 | 浙江理工大学 | Preparation method of intelligent color development and oxidation resistance double-function coating on surface of thin film |
| CN111499910A (en) * | 2020-06-01 | 2020-08-07 | 郑州大学 | Efficient and lasting dripping greenhouse film and preparation method thereof |
| CN114262543A (en) * | 2021-12-29 | 2022-04-01 | 深圳南科新材科技有限公司 | Safe edible anti-fog material and preparation method and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010107402A1 (en) * | 2009-03-17 | 2010-09-23 | Ufuk Bakir | Hemicellulose based anti-microbial anti-fog biodegradable film capable of removing undesired gases and production method thereof |
| CN106279744A (en) * | 2016-09-22 | 2017-01-04 | 东北农业大学 | A kind of controlled release biocidal property eats composite membrane and preparation method thereof |
| CN107522888A (en) * | 2017-09-11 | 2017-12-29 | 浙江理工大学 | A kind of shielding of film surface is ultraviolet and water-mist-proof coating and preparation method thereof |
| CN107573624A (en) * | 2017-09-06 | 2018-01-12 | 丁玉琴 | A kind of polyethylene anti-mildew fresh-keeping film and preparation method thereof |
| CN107759815A (en) * | 2017-11-03 | 2018-03-06 | 河南工程学院 | A kind of obdurability pectin group compound film and preparation method thereof |
| CN109181387A (en) * | 2018-09-20 | 2019-01-11 | 陈太师 | A kind of preparation method of high-strength ageing woodcare paint |
-
2019
- 2019-04-25 CN CN201910339224.8A patent/CN110016260B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010107402A1 (en) * | 2009-03-17 | 2010-09-23 | Ufuk Bakir | Hemicellulose based anti-microbial anti-fog biodegradable film capable of removing undesired gases and production method thereof |
| CN106279744A (en) * | 2016-09-22 | 2017-01-04 | 东北农业大学 | A kind of controlled release biocidal property eats composite membrane and preparation method thereof |
| CN107573624A (en) * | 2017-09-06 | 2018-01-12 | 丁玉琴 | A kind of polyethylene anti-mildew fresh-keeping film and preparation method thereof |
| CN107522888A (en) * | 2017-09-11 | 2017-12-29 | 浙江理工大学 | A kind of shielding of film surface is ultraviolet and water-mist-proof coating and preparation method thereof |
| CN107759815A (en) * | 2017-11-03 | 2018-03-06 | 河南工程学院 | A kind of obdurability pectin group compound film and preparation method thereof |
| CN109181387A (en) * | 2018-09-20 | 2019-01-11 | 陈太师 | A kind of preparation method of high-strength ageing woodcare paint |
Non-Patent Citations (3)
| Title |
|---|
| 冯建成等: "《大学基础化学实验》", 30 June 2013, 中国科学技术大学出版社 * |
| 李冬冬等: "《基于单宁酸的功能材料研究进展》", 《高分子通报》 * |
| 李肇强: "《现代涂料的生产及应用 第二版》", 31 March 2017, 上海科学技术文献出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111363182A (en) * | 2020-04-30 | 2020-07-03 | 浙江理工大学 | Preparation method of intelligent color development and oxidation resistance double-function coating on surface of thin film |
| CN111499910A (en) * | 2020-06-01 | 2020-08-07 | 郑州大学 | Efficient and lasting dripping greenhouse film and preparation method thereof |
| CN114262543A (en) * | 2021-12-29 | 2022-04-01 | 深圳南科新材科技有限公司 | Safe edible anti-fog material and preparation method and application thereof |
| CN114262543B (en) * | 2021-12-29 | 2023-02-14 | 深圳南科新材科技有限公司 | Safe edible anti-fog material and preparation method and application thereof |
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