CN108300288A - A kind of rattan handicraft surface hydrophobicity coating - Google Patents
A kind of rattan handicraft surface hydrophobicity coating Download PDFInfo
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- CN108300288A CN108300288A CN201710815452.9A CN201710815452A CN108300288A CN 108300288 A CN108300288 A CN 108300288A CN 201710815452 A CN201710815452 A CN 201710815452A CN 108300288 A CN108300288 A CN 108300288A
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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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
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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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of rattan handicraft surface hydrophobicity coating, are related to rattan handicraft process field, including：（1）The preparation of plural gel；（2）Hydrophobic modification；（3）The preparation of coating；The present invention builds the hydrophobic microstructure of film by preparing plural gel, pass through the modification to plural gel, so that the gel after modification forms a film in organic silicon emulsion system after solidification, nano-particle in gel is mutually assembled in film forming procedure, form microstructure mastoid process, film coated surface hydroxyl is wanted to combine with converted starch, significantly reduces the hydroxyl of film coated surface, significantly improves the hydrophobicity of film.
Description
Technical field
The invention belongs to rattan handicraft process fields, and in particular to a kind of rattan handicraft surface hydrophobicity coating.
Background technology
Rattan material is a kind of natural health environment-friendly material, it has not only firm but also light and handy flexible, the characteristic that can be arbitrarily bent,
Its manufactured rattan handicraft has a succinct bright and clear appearance, hard and soft and deposit, practical characteristic of lie fallow, and depth is favored by people.
It has been covered with fine and closely woven conduit on the cross section of rattan material, so rattan handicraft is easy to absorb moisture, and has once adsorbed too many water
Point, craftwork will become soft sagging, loosely organized, and be easy to grow mildew, addle, to seriously affect rattan
The performance of handicraft.
Invention content
The purpose of the present invention is for existing problem, provide a kind of rattan handicraft surface hydrophobicity coating.
The present invention is achieved by the following technical solutions：
A kind of rattan handicraft surface hydrophobicity coating is made by following steps：
（1）The preparation of plural gel：Esters of silicon acis is dissolved in polar solvent, it is molten to obtain the esters of silicon acis that mass fraction is 10-15%
Liquid adds the ammonium hydroxide of its quality 20% into silicic acid ester solution, and after stirring evenly, it is molten that aluminium powder is then evenly spread to esters of silicon acis
In liquid, aluminium powder additive amount is the 25-30% of esters of silicon acis quality, then adds the salpeter solution that mass fraction is 5%, wherein nitric acid again
Molar ratio with aluminium powder is 1.5-1.8:1, it is stirred 2 hours at 85 DEG C with 150r/min rotating speeds, converted starch is then added, after
Continuous stirring 2 hours, wherein converted starch additive amount are the 15% of esters of silicon acis quality, obtain plural gel；
（2）Hydrophobic modification：By step（1）The plural gel of preparation is placed 1 hour, is then rapidly heated to 90 DEG C at 0 DEG C,
The dimethicone that its quality 1.5-1.8% is added into plural gel after stirring evenly, then adds dimethyl-silicon oil quality
The potassium peroxydisulfate of 0.12-0.15%, then again at 80 DEG C, then isothermal holding 3-5 hours is filtered, is cleaned i.e. with normal propyl alcohol
Obtain hydrophobic plural gel；
（3）The preparation of coating：By step（2）The hydrophobic plural gel prepared presses 8-10 with organic silicon emulsion, filler, water:70-
80:6-10:The mass ratio of 40-60 is uniformly admixed together, then at 60 DEG C, stirs 2 hours, cooled to room temperature,
To obtain the final product.
Further, the step（1）Middle polar solvent is water.
Further, the step（1）Middle method for preparing modified starch is：
Cornstarch is evenly spread in deionized water, the starch dispersion liquid that mass fraction is 20% is configured to, using quality point
The sodium hydroxide solution that number is 5% adjusts the pH to 9.5 of starch dispersion liquid, is then allowed to stand 40min, then add into starch dispersion liquid
The hexamethyldisilazane for adding its quality 2.5%, at 80 DEG C, heat preservation stands 2 hours, is then filtered, washs, drying, powder
It is broken to get.
Further, the step（3）Middle filler is calcium carbonate.
Further, the step（3）Middle mixing speed is 3000-3500r/min.
A kind of application method of rattan handicraft surface hydrophobicity coating is：Rattan handicraft surface hydrophobicity coating is uniformly applied
It is layed onto rattan handicraft surface, coating thickness 0.2-0.3mm is 50 DEG C in temperature, and air humidity is to be done under 40% environment
It is dry, you can.
The present invention has the following advantages compared with prior art：The present invention builds the hydrophobic of film by preparing plural gel
Microstructure passes through the modification to plural gel so that the gel after modification is formed a film in organic silicon emulsion system after solidification, is coagulated
Nano-particle in glue is mutually assembled in film forming procedure, forms microstructure mastoid process, and film coated surface hydroxyl is thought with converted starch
In conjunction with, the hydroxyl of film coated surface is significantly reduced, the hydrophobicity of film is significantly improved, by the effect of plural gel,
The surface roughness of film is enabled to significantly reduce, the static contact angle between water droplet is reduced, and organic silicon emulsion is to mastoid process
Interstructural gap is filled, and effectively raises the smoothness of film coated surface；Rattan handicraft surface prepared by the present invention
Hydrophobic coating not only has good hydrophobic performance, turns yellow meanwhile, it is capable to which effective solution routine coating meets water, is mouldy, is easily de-
The problem of falling, coating of the present invention have environmental protection, have no irritating odor, and service life is long.
Specific implementation mode
Embodiment 1
A kind of rattan handicraft surface hydrophobicity coating is made by following steps：
（1）The preparation of plural gel：Esters of silicon acis is dissolved in polar solvent, the silicic acid ester solution that mass fraction is 10% is obtained, to
The ammonium hydroxide that its quality 20% is added in silicic acid ester solution after stirring evenly, then evenly spreads to aluminium powder in silicic acid ester solution,
Aluminium powder additive amount is the 25% of esters of silicon acis quality, then adds the salpeter solution that mass fraction is 5%, wherein nitric acid and aluminium powder again
Molar ratio is 1.5:1, it is stirred 2 hours at 85 DEG C with 150r/min rotating speeds, converted starch is then added, continue stirring 2 hours,
Wherein converted starch additive amount is the 15% of esters of silicon acis quality, obtains plural gel；
（2）Hydrophobic modification：By step（1）The plural gel of preparation is placed 1 hour, is then rapidly heated to 90 DEG C at 0 DEG C,
The dimethicone that its quality 1.5% is added into plural gel after stirring evenly, then adds dimethyl-silicon oil quality 0.12%
Potassium peroxydisulfate, then again at 80 DEG C, then isothermal holding 3 hours is filtered, is cleaned up to hydrophobic compound solidifying with normal propyl alcohol
Glue；
（3）The preparation of coating：By step（2）The hydrophobic plural gel prepared presses 8 with organic silicon emulsion, filler, water:70:6:40
Mass ratio it is uniformly admixed together, then at 60 DEG C, stir 2 hours, cooled to room temperature to get.
Further, the step（1）Middle polar solvent is water.
Further, the step（1）Middle method for preparing modified starch is：
Cornstarch is evenly spread in deionized water, the starch dispersion liquid that mass fraction is 20% is configured to, using quality point
The sodium hydroxide solution that number is 5% adjusts the pH to 9.5 of starch dispersion liquid, is then allowed to stand 40min, then add into starch dispersion liquid
The hexamethyldisilazane for adding its quality 2.5%, at 80 DEG C, heat preservation stands 2 hours, is then filtered, washs, drying, powder
It is broken to get.
Further, the step（3）Middle filler is calcium carbonate.
Further, the step（3）Middle mixing speed is 3000r/min.
Embodiment 2
A kind of rattan handicraft surface hydrophobicity coating is made by following steps：
（1）The preparation of plural gel：Esters of silicon acis is dissolved in polar solvent, the silicic acid ester solution that mass fraction is 15% is obtained, to
The ammonium hydroxide that its quality 20% is added in silicic acid ester solution after stirring evenly, then evenly spreads to aluminium powder in silicic acid ester solution,
Aluminium powder additive amount is the 30% of esters of silicon acis quality, then adds the salpeter solution that mass fraction is 5%, wherein nitric acid and aluminium powder again
Molar ratio is 1.8:1, it is stirred 2 hours at 85 DEG C with 150r/min rotating speeds, converted starch is then added, continue stirring 2 hours,
Wherein converted starch additive amount is the 15% of esters of silicon acis quality, obtains plural gel；
（2）Hydrophobic modification：By step（1）The plural gel of preparation is placed 1 hour, is then rapidly heated to 90 DEG C at 0 DEG C,
The dimethicone that its quality 1.8% is added into plural gel after stirring evenly, then adds dimethyl-silicon oil quality 0.15%
Potassium peroxydisulfate, then again at 80 DEG C, then isothermal holding 5 hours is filtered, is cleaned up to hydrophobic compound solidifying with normal propyl alcohol
Glue；
（3）The preparation of coating：By step（2）The hydrophobic plural gel prepared presses 10 with organic silicon emulsion, filler, water: 80:
10:60 mass ratio is uniformly admixed together, then at 60 DEG C, stir 2 hours, cooled to room temperature to get.
Further, the step（1）Middle polar solvent is water.
Further, the step（1）Middle method for preparing modified starch is：
Cornstarch is evenly spread in deionized water, the starch dispersion liquid that mass fraction is 20% is configured to, using quality point
The sodium hydroxide solution that number is 5% adjusts the pH to 9.5 of starch dispersion liquid, is then allowed to stand 40min, then add into starch dispersion liquid
The hexamethyldisilazane for adding its quality 2.5%, at 80 DEG C, heat preservation stands 2 hours, is then filtered, washs, drying, powder
It is broken to get.
Further, the step（3）Middle filler is calcium carbonate.
Further, the step（3）Middle mixing speed is 3500r/min.
Embodiment 3
A kind of rattan handicraft surface hydrophobicity coating is made by following steps：
（1）The preparation of plural gel：Esters of silicon acis is dissolved in polar solvent, the silicic acid ester solution that mass fraction is 12% is obtained, to
The ammonium hydroxide that its quality 20% is added in silicic acid ester solution after stirring evenly, then evenly spreads to aluminium powder in silicic acid ester solution,
Aluminium powder additive amount is the 28% of esters of silicon acis quality, then adds the salpeter solution that mass fraction is 5%, wherein nitric acid and aluminium powder again
Molar ratio is 1.6:1, it is stirred 2 hours at 85 DEG C with 150r/min rotating speeds, converted starch is then added, continue stirring 2 hours,
Wherein converted starch additive amount is the 15% of esters of silicon acis quality, obtains plural gel；
（2）Hydrophobic modification：By step（1）The plural gel of preparation is placed 1 hour, is then rapidly heated to 90 DEG C at 0 DEG C,
The dimethicone that its quality 1.7% is added into plural gel after stirring evenly, then adds dimethyl-silicon oil quality 0.13%
Potassium peroxydisulfate, then again at 80 DEG C, then isothermal holding 4 hours is filtered, is cleaned up to hydrophobic compound solidifying with normal propyl alcohol
Glue；
（3）The preparation of coating：By step（2）The hydrophobic plural gel prepared presses 9 with organic silicon emulsion, filler, water:75:8:50
Mass ratio it is uniformly admixed together, then at 60 DEG C, stir 2 hours, cooled to room temperature to get.
Further, the step（1）Middle polar solvent is water.
Further, the step（1）Middle method for preparing modified starch is：
Cornstarch is evenly spread in deionized water, the starch dispersion liquid that mass fraction is 20% is configured to, using quality point
The sodium hydroxide solution that number is 5% adjusts the pH to 9.5 of starch dispersion liquid, is then allowed to stand 40min, then add into starch dispersion liquid
The hexamethyldisilazane for adding its quality 2.5%, at 80 DEG C, heat preservation stands 2 hours, is then filtered, washs, drying, powder
It is broken to get.
Further, the step（3）Middle filler is calcium carbonate.
Further, the step（3）Middle mixing speed is 3200r/min.
Comparative example 1：Step is differed only in embodiment 1（1）In do not add aluminium powder.
Comparative example 2：Step is differed only in embodiment 1（1）In do not add converted starch.
Comparative example 3：It is differed only in without step with embodiment 1（2）Processing.
Experiment：
Embodiment and comparative example coating are coated to rattan handicraft surface, apply film thickness by the rattan handicraft for selecting material of the same race
Degree is consistent with drying condition, compares film performance：
The static contact angle and roll angle of film coated surface and 4 μ L water droplets are measured with TM A-100P contact angle instruments, are tested every time
It is repeated 3 times；
Table 1
| Static contact angle/° | Roll angle/° | |
| Embodiment 1 | 168 | 3.7 |
| Embodiment 2 | 170 | 3.4 |
| Embodiment 3 | 166 | 3.6 |
| Comparative example 1 | 145 | 4.3 |
| Comparative example 2 | 151 | 3.9 |
| Comparative example 3 | 132 | 5.1 |
| Control group | 118 | 7.2 |
Control group is conventional organosilicon coating；
As can be seen from Table 1, the film hydrophobic performance that coating of the present invention is formed on rattan handicraft surface is superior.
Claims (5)
1. a kind of rattan handicraft surface hydrophobicity coating, which is characterized in that be made by following steps：
（1）The preparation of plural gel：Esters of silicon acis is dissolved in polar solvent, it is molten to obtain the esters of silicon acis that mass fraction is 10-15%
Liquid adds the ammonium hydroxide of its quality 20% into silicic acid ester solution, and after stirring evenly, it is molten that aluminium powder is then evenly spread to esters of silicon acis
In liquid, aluminium powder additive amount is the 25-30% of esters of silicon acis quality, then adds the salpeter solution that mass fraction is 5%, wherein nitric acid again
Molar ratio with aluminium powder is 1.5-1.8:1, it is stirred 2 hours at 85 DEG C with 150r/min rotating speeds, converted starch is then added, after
Continuous stirring 2 hours, wherein converted starch additive amount are the 15% of esters of silicon acis quality, obtain plural gel；
（2）Hydrophobic modification：By step（1）The plural gel of preparation is placed 1 hour, is then rapidly heated to 90 DEG C at 0 DEG C,
The dimethicone that its quality 1.5-1.8% is added into plural gel after stirring evenly, then adds dimethyl-silicon oil quality
The potassium peroxydisulfate of 0.12-0.15%, then again at 80 DEG C, then isothermal holding 3-5 hours is filtered, is cleaned i.e. with normal propyl alcohol
Obtain hydrophobic plural gel；
（3）The preparation of coating：By step（2）The hydrophobic plural gel prepared presses 8-10 with organic silicon emulsion, filler, water:70-
80:6-10:The mass ratio of 40-60 is uniformly admixed together, then at 60 DEG C, stirs 2 hours, cooled to room temperature,
To obtain the final product.
2. a kind of rattan handicraft surface hydrophobicity coating as described in claim 1, which is characterized in that the step（1）Middle pole
Property solvent be water.
3. a kind of rattan handicraft surface hydrophobicity coating as described in claim 1, which is characterized in that the step（1）Middle change
Property starch preparation method is：
Cornstarch is evenly spread in deionized water, the starch dispersion liquid that mass fraction is 20% is configured to, using quality point
The sodium hydroxide solution that number is 5% adjusts the pH to 9.5 of starch dispersion liquid, is then allowed to stand 40min, then add into starch dispersion liquid
The hexamethyldisilazane for adding its quality 2.5%, at 80 DEG C, heat preservation stands 2 hours, is then filtered, washs, drying, powder
It is broken to get.
4. a kind of rattan handicraft surface hydrophobicity coating as described in claim 1, which is characterized in that the step（3）In fill out
Material is calcium carbonate.
5. a kind of rattan handicraft surface hydrophobicity coating as described in claim 1, which is characterized in that the step（3）In stir
It is 3000-3500r/min to mix speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710815452.9A CN108300288A (en) | 2017-09-12 | 2017-09-12 | A kind of rattan handicraft surface hydrophobicity coating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710815452.9A CN108300288A (en) | 2017-09-12 | 2017-09-12 | A kind of rattan handicraft surface hydrophobicity coating |
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| Publication Number | Publication Date |
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| CN108300288A true CN108300288A (en) | 2018-07-20 |
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| CN201710815452.9A Pending CN108300288A (en) | 2017-09-12 | 2017-09-12 | A kind of rattan handicraft surface hydrophobicity coating |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101456914A (en) * | 2007-12-14 | 2009-06-17 | 沈阳工业大学 | Method for preparing hydrophobic starch |
| CN103897477A (en) * | 2014-03-28 | 2014-07-02 | 西安理工大学 | Preparation method of magenta silver paste printing ink |
| CN105062360A (en) * | 2015-08-19 | 2015-11-18 | 中国科学院兰州化学物理研究所 | Transparent super-hydrophobic paint and application thereof |
| CN106749705A (en) * | 2016-11-24 | 2017-05-31 | 安徽瑞研新材料技术研究院有限公司 | A kind of non-staple food grain complex denaturation hydrophobic starch preparation method of biomembrane list |
| CN107129182A (en) * | 2017-05-18 | 2017-09-05 | 济南大学 | A kind of modified gel powder and its production method and application |
-
2017
- 2017-09-12 CN CN201710815452.9A patent/CN108300288A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101456914A (en) * | 2007-12-14 | 2009-06-17 | 沈阳工业大学 | Method for preparing hydrophobic starch |
| CN103897477A (en) * | 2014-03-28 | 2014-07-02 | 西安理工大学 | Preparation method of magenta silver paste printing ink |
| CN105062360A (en) * | 2015-08-19 | 2015-11-18 | 中国科学院兰州化学物理研究所 | Transparent super-hydrophobic paint and application thereof |
| CN106749705A (en) * | 2016-11-24 | 2017-05-31 | 安徽瑞研新材料技术研究院有限公司 | A kind of non-staple food grain complex denaturation hydrophobic starch preparation method of biomembrane list |
| CN107129182A (en) * | 2017-05-18 | 2017-09-05 | 济南大学 | A kind of modified gel powder and its production method and application |
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Application publication date: 20180720 |