CN105647251B - A kind of waterproofing agent preparation method and applications for fibrous plate - Google Patents
A kind of waterproofing agent preparation method and applications for fibrous plate Download PDFInfo
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- CN105647251B CN105647251B CN201610226541.5A CN201610226541A CN105647251B CN 105647251 B CN105647251 B CN 105647251B CN 201610226541 A CN201610226541 A CN 201610226541A CN 105647251 B CN105647251 B CN 105647251B
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- waterproofing agent
- hydrophobic particles
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- dispersant
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- 238000004078 waterproofing Methods 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 60
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 57
- 239000002245 particle Substances 0.000 claims abstract description 55
- 239000002270 dispersing agent Substances 0.000 claims abstract description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 21
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 16
- 235000019441 ethanol Nutrition 0.000 claims abstract description 10
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- ZHPNWZCWUUJAJC-UHFFFAOYSA-N fluorosilicon Chemical compound [Si]F ZHPNWZCWUUJAJC-UHFFFAOYSA-N 0.000 claims description 18
- 229920005989 resin Polymers 0.000 claims description 18
- 239000011347 resin Substances 0.000 claims description 18
- 239000006210 lotion Substances 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 229920002050 silicone resin Polymers 0.000 claims description 9
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 5
- 239000003995 emulsifying agent Substances 0.000 claims description 5
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- WOWHHFRSBJGXCM-UHFFFAOYSA-M cetyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+](C)(C)C WOWHHFRSBJGXCM-UHFFFAOYSA-M 0.000 claims description 4
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 4
- 229920000058 polyacrylate Polymers 0.000 claims description 4
- 239000002562 thickening agent Substances 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 3
- 125000003700 epoxy group Chemical group 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000002318 adhesion promoter Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- SCPWMSBAGXEGPW-UHFFFAOYSA-N dodecyl(trimethoxy)silane Chemical compound CCCCCCCCCCCC[Si](OC)(OC)OC SCPWMSBAGXEGPW-UHFFFAOYSA-N 0.000 claims 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims 1
- 125000005211 alkyl trimethyl ammonium group Chemical group 0.000 claims 1
- 235000019270 ammonium chloride Nutrition 0.000 claims 1
- 239000011094 fiberboard Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 11
- 230000008901 benefit Effects 0.000 abstract description 6
- PQDJYEQOELDLCP-UHFFFAOYSA-N trimethylsilane Chemical compound C[SiH](C)C PQDJYEQOELDLCP-UHFFFAOYSA-N 0.000 abstract description 6
- 229940094989 trimethylsilane Drugs 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 230000006378 damage Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 229920000747 poly(lactic acid) Polymers 0.000 description 13
- 239000004626 polylactic acid Substances 0.000 description 13
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 8
- 239000000835 fiber Substances 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 5
- 229910000077 silane Inorganic materials 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000003973 paint Substances 0.000 description 4
- -1 polyoxyethylene Polymers 0.000 description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000005871 repellent Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 150000008431 aliphatic amides Chemical class 0.000 description 1
- 230000003487 anti-permeability effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical class ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000000527 sonication Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
-
- 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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- 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
- C09D183/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
-
- 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
-
- 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
- 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
-
- 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
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The present invention relates to the waterproofing agent preparation method and applications for fibrous plate, can effectively solve fibrous plate waterproofing agent to human injury, cost is higher, service life is short the technical issues of, method is, 1.8 2.2g of tetraethyl orthosilicate and 2 7g of trimethyl silane is added in 13 30ml of ethyl alcohol, 28% ammonia spirit of mass concentration, 6 9ml is gradually added dropwise again, it is stirred at room temperature 58 hours, evaporated under reduced pressure obtains hydrophobic particles；5 20g of hydrophobic particles is added in 90 110ml of dispersant, is stirred evenly, is ultrasonically treated 25 35min, as waterproofing agent.Waterproofing agent prepared by the method for the present invention can be coated on fiberboard, effectively extend fiberboard water resistance and service life, abundant raw materials of the present invention, preparation method is simple, easy to operate, and production efficiency is high, good product quality, at low cost, environmental protection, service life is long, and economic and social benefit is huge.
Description
Technical field
The present invention relates to the manufacturing methods of chemical field fiberboard waterproofing agent, particularly a kind of waterproof for fibrous plate
Agent preparation method and applications.
Background technology
With the development of construction industry and home decoration industry, requirement of the people to ornament materials is also higher and higher.It is generally used for
The method of buildings waterproof mainly has waterproof coiled material material and application type water-proof coating.Wherein the water-repellent paint of fibrous plate is using just
Victory, it is commonplace.The water-repellent paint of fibrous plate mainly has polyurethane water-proof paint, polyvinyl chloride, esters of acrylic acid waterproof to apply
Material, but due to problem present on its component compatibility and preparation method, have the following problems in use：
（1）Not environmentally.General coating is harmful after volatilization using organic solvent.
（2）It is of high cost.Fluorinated compound with its surface can it is low be widely used in terms of waterproof, but fluorinated monomer compared with
For costliness.
（3）Adhesive force is poor with resistance to ag(e)ing, and service life is short.Water-repellent paint is unable to durable attachment with fiber, with the time
Passage is gradually peeled off, and some polymer strand under the conditions of illumination etc. changes, and causes hydraulic performance decline.
Therefore, the improvement on the waterproofing agent of fibrous plate and innovation are the technical issues of needing conscientiously to solve.
Invention content
For the above situation, to overcome the defect of the prior art, the purpose of the present invention is just to provide one kind for fiberboard
The waterproofing agent preparation method and applications of material, can effectively solve fibrous plate waterproofing agent to human injury, cost is higher, uses
The technical issues of short life.
The technical solution that the present invention solves is：Hydrophobic particles are prepared first（Hydrophobic particles are also known as hydrophobic nano titanium dioxide
Silicon, it is the same below）, method is：
（1）, prepare hydrophobic particles：
Tetraethyl orthosilicate 1.8-2.2g and trimethyl silane 2-7g is added in ethyl alcohol 13-30ml, then gradually
28% ammonia spirit 6-9ml of mass concentration is added dropwise, is stirred at room temperature 5-8 hours, evaporated under reduced pressure obtains hydrophobic particles；
（2）, be mixed and made into waterproofing agent：
The hydrophobic particles 5-20g is added in dispersant 90-110ml, is stirred evenly, is ultrasonically treated 25-35min, i.e.,
For waterproofing agent.
Waterproofing agent prepared by the method for the present invention, can be coated on fiberboard, effectively extend fiberboard water resistance and make
With service life, abundant raw materials of the present invention, preparation method is simple, easy to operate, and production efficiency is high, and good product quality is at low cost, ring
It protects, service life is long, and economic and social benefit is huge.
Specific embodiment
It elaborates below in conjunction with concrete condition and embodiment to the specific embodiment of the present invention.
The present invention can be provided in specific implementation by following embodiment.The prepared of the embodiment of the present invention is used for fiberboard
The waterproofing agent of material is generally used for fibrous plate made of waste paper board etc..
Embodiment 1
Hydrophobic hydrophobic particles and polylactic acid composite water-proof agent, preparation method are：
（1）, prepare hydrophobic particles：
Tetraethyl orthosilicate 1.8-2.2g and trimethyl silane 2-7g（Preferably 6g）Add in ethyl alcohol 13-30ml
（Preferably 20ml-25ml）In, then 28% ammonia spirit 6-9ml of mass concentration is gradually added dropwise, it is stirred at room temperature 5-8 hours, depressurizes
It is evaporated, obtains hydrophobic particles；
（2）, be mixed and made into waterproofing agent：
The hydrophobic particles 5-20g is added in dispersant 90-110ml, is stirred evenly, is ultrasonically treated 25-35min, i.e.,
For waterproofing agent.
It should be noted that in all embodiments of the invention, prepared hydrophobic particles can be added to any solvable
（It is solvable to the hydrophobic particles of preparation）Dispersant in, such as the tetrahydrofuran solution of ethyl alcohol, polymer.The dispersion of the present embodiment
Agent can also use the dispersant of the types such as fatty acid, aliphatic amide type and esters.
But hydrophobic particles are unstable in ethanol, easily precipitate.And tetrahydrofuran toxicity is big, hydrophobic nano titanium dioxide
Silicon is dispersed in the tetrahydrofuran solution of polymer not environmentally.
Therefore the embodiment of the present invention also provides two kinds of improvement for hydrophobic particles dispersant.Optimal dispersant is respectively
The dichloromethane solution of polylactic acid and fluorine silicon resin emulsion.
It is further to note that hydrophobic particles prepared in the embodiment of the present invention be substantially be have it is certain hydrophobic
The hydrophobic nano-silica of performance has qualitative difference with nano silicon dioxide prepared by other modes.
Embodiment 2
In the specific implementation of the invention, prepared waterproofing agent is hydrophobic particles and polylactic acid composite water-proof agent, is prepared
Method comprises the steps of：
（1）, prepare hydrophobic particles：
Tetraethyl orthosilicate 2g and trimethyl silane 6g is added in ethyl alcohol 25ml, then mass concentration is gradually added dropwise
28% ammonia spirit 6ml is stirred at room temperature 5 hours, and evaporated under reduced pressure obtains hydrophobic particles；
（2）, prepare dispersant：
The dispersant is polylactic acid-dichloromethane solution, and preparation method is that particles of polylactic acid 2-3g is added to two
In chloromethanes 90-110ml, it is stirred at room temperature and is completely dissolved uniformly, into polylactic acid-dichloromethane solution；
（3）, be mixed and made into waterproofing agent：
By described in（1）In described in obtained hydrophobic particles 10g adds in（2）It is middle to prepare in the dispersant completed, it stirs evenly,
It is ultrasonically treated 25-35min, you can obtain the hydrophobic particles of finished product and polylactic acid composite water-proof agent.
Embodiment 3
In specific implementation, the waterproofing agent is addition hydrophobic particles modified fluoro-silicone resin waterproofing agent to the present invention, is prepared
Method is realized by following steps：
（1）, prepare hydrophobic particles：
Tetraethyl orthosilicate 1.8-2.2g and trimethyl silane 2-7g is added in ethyl alcohol 13-30ml, then gradually
28% ammonia spirit 7-9ml of mass concentration is added dropwise, is stirred at room temperature 5-8 hours, evaporated under reduced pressure obtains hydrophobic particles；
（2）, prepare dispersant：：
Water 300ml is added to dilute fluorine silicon resin lotion KT-800 100ml, add the new base phenyl ether 0.6- of polyoxyethylene
Stirring 1 is small under 2.0g or hexadecyltrimethylammonium chloride 0.3-1.0g or neopelex 0.3-0.6g, 800rpm
When, obtain the diluted fluorine silicon resin lotion as dispersant；
（3）, be mixed and made into waterproofing agent：
By described in（1）In obtained hydrophobic particles 18-22g be added to it is described（2）It is middle to prepare in the dispersant completed, then
It adds in 0.5-3.0g carbon fluorine emulsifier 6301 and 0.1-0.3g is silane coupled and KH550, be stirred at room temperature 3 hours, obtain addition and dredge
Water particle modified fluoro-silicone resin waterproofing agent.
It is described（2）In, after being stirred at room temperature 3 hours, it is additionally added filler-calcium carbonate 5-10g（5-10g is typically chosen, it is best to select
Select 7g）, talcum powder 1-5g（It is typically chosen 1-5g, optimal selection 3g）, thickener polyacrylate copolymer 1-3g（It is typically chosen
1-3g, optimal selection 2g）, continue stirring 2 hours.
After continuing stirring 2 hours, epoxies adhesion promoter EL9060 0.5-1g can be also added in（It is typically chosen 0.5-
1g, optimal selection 0.7g）Continue stirring 1 hour.
Embodiment 4
In specific implementation, the waterproofing agent is addition hydrophobic particles modified fluoro-silicone resin waterproofing agent to the present invention, is made
Preparation Method is：
（1）, prepare hydrophobic particles：
Tetraethyl orthosilicate 2g and trimethyl silane 6g is added in ethyl alcohol 20ml, then mass concentration is gradually added dropwise
28% ammonia spirit 6ml is stirred at room temperature 5 hours, and evaporated under reduced pressure obtains hydrophobic particles；
（2）, prepare dispersant：
Water 300ml is added to dilute fluorine silicon resin lotion KT-800 100ml, add the new base phenyl ether of 0.3g polyoxyethylene
It with hexadecyltrimethylammonium chloride 0.7g, stirs 1 hour under 800rpm, obtains the diluted fluorine silicon resin breast as dispersant
Liquid；
（3）, be mixed and made into waterproofing agent：
Hydrophobic particles 20g is added in the diluted fluorine silicon resin lotion as dispersant, adds carbon fluorine emulsifier
6301 0.7g and silane coupled and KH550 0.2g, are stirred at room temperature 3 hours, obtain addition hydrophobic particles modified fluoro-silicone resin and prevent
Aqua.
Waterproofing agent is coated in fiber by the application of waterproofing agent prepared by above-described embodiment 1-4 the methods on fiberboard
On plate, 50-70min is dried at 100-130 DEG C, best drying temperature dries 1 hour for 110 DEG C, effectively improves fiberboard and prevent
It is aqueous and prolong the service life.
The present invention is added to polylactic acid, fluorine silicon resin lotion using hydrophobic particles it can be seen from above-mentioned technical proposal
It is middle to be used as waterproofing agent.Synergistic effect reaches hydrophobic effect between them.Hydrophobic silane nano-particle is easily adjusted into low surface
The structural configuration of energy so that critical surface tension is significantly low.Not only surface can be low for polylactic acid, has hydrophobicity, also has good
Moulding property cause coating after surfacing it is smooth, and film have tensile strength and toughness.Fluorine silicon resin lotion KT-
Fluoro-containing group in 800 is low-surface-energy molecule, effectively drops low-surface-energy, increases hydrophobicity.In hydrophobic particles Si modification fluorine silicon
The Silane coupling agent KH550 that resin waterproofing agent adds in preparing is adsorbed on nanometer silane particle, the amino and cellulose of one end
On hydroxyl can form hydrogen bond, increase the cohesive force to fiber.
The present invention achieves extraordinary advantageous effects, related technique effect is as follows through testing and testing：
After waterproofing agent prepared by the method for the present invention is applied on fibrous plate, the contact angle θ of the fibrous plate for 105 °-
125°（Technical stipulation θ<90 °, then the surface of solids is hydrophilic；θ>90 °, then the surface of solids is hydrophobic, and θ is bigger, then table
Bright impermeable ability is better）, it is not easy to permeate after water droplet drippage, shows that waterproofing agent prepared by the present invention has very high antiseepage
Saturating ability.After tested, impermeable ability improves 5 times or more, good to the caking property of fiber, in 10 batches of fiberboards of experiment, not
It was found that there is waterproof obscission, and existing waterproofing agent is used as, in 10 groups of contrast groups, almost all has obscission.
By orthogonal test, best process conditions are obtained：In the preparation of hydrophobic particles, tetraethyl orthosilicate 2g and 16
Alkyl trimethylsilanes 5g.In the preparation of hydrophobic particles and polylactic acid composite water-proof agent, it is dense that 10 grams of hydrophobic particles are distributed to quality
It spends in the dichloromethane solution for the 100ml polylactic acid of 20g/L, sonication treatment time 15min.Add in Silane coupling agent KH550
0.4ml, continues mixing time 3 hours.It is coated on fiberboard, contact angle can reach 123 °.
Hydrophobic particles modified fluoro-silicone resin waterproofing agent is added, dispersant uses the new base phenyl ether of polyoxyethylene and cetyl
Trimethyl ammonium chloride is compound, respectively 0.3g and 0.7g.6301 0.7g of carbon fluorine emulsifier and Silane coupling agent KH550（That is amino
Propyl-triethoxysilicane）0.2g.Calcium carbonate 6g talcum powder 3g.Thickener polyacrylate copolymer 2g, epoxies adhesive force
Accelerating agent EL9060 0.7g.It is coated on paper, contact angle can reach 125 °.
Add hydrophobic particles polylactic acid waterproofing agent with addition hydrophobic particles fluorine silicon resin waterproofing agent advantage be compared with
Market similar product advantage is not only good waterproof performance, and anti-permeability is strong, and environment friendly and pollution-free, at low cost.
Compared with prior art, have the advantages that following notable：
（1）Environmental protection addition hydrophobic particles polylactic acid and addition hydrophobic particles fluorine silicon resin waterproofing agent raw material or
Product is nontoxic.
（2）It is at low cost.The polylactic acid and addition hydrophobic particles fluorine silicon resin waterproofing agent 1kg product costs of hydrophobic particles are only
Be 200 yuan or so, the waterproofing agent than reaching similary waterproof effect on the market is at low cost, than similar product cost reduction 50% with
On.
（3）Nanometer silane particle adheres to poor on fiber, and can have in polylactic acid and fluorine silicon resin lotion good
Dispersibility, and the compatibilization for passing through silane coupling agent so that be firmly adhered on fiber, impermeable ability improves 5
Times or more.
（4）The waterproof layer formed after coating has fiber very strong adhesiveness, extends brittle will not peel off at any time, use
It is more than service life prolonged for another ten years.
（5）The raising of product quality, increases actual application value and commercial value, successful is created to be commercial
Good business opportunity, economic and social benefit are huge.
Claims (5)
1. a kind of waterproofing agent preparation method for fibrous plate, which is characterized in that the waterproofing agent is addition hydrophobic particles
Modified fluoro-silicone resin waterproofing agent, preparation method are：
（1）, prepare hydrophobic particles：
Tetraethyl orthosilicate 1.8-2.2g and dodecyltrimethoxysilane 2-7g is added in ethyl alcohol 13-30ml, then is gradually dripped
Add 28% ammonia spirit 5-7ml of mass concentration, be stirred at room temperature 5-8 hours, evaporated under reduced pressure obtains hydrophobic particles；
（2）, prepare dispersant：
Water 300ml is added to dilute fluorine silicon resin lotion KT-800 100ml, add NONIN HS 240 0.6-2.0g
Or stirred 1 hour under hexadecyltrimethylammonium chloride 0.3-1.0g or neopelex 0.3-0.6g, 800rpm,
Obtain the diluted fluorine silicon resin lotion as dispersant；
（3）, be mixed and made into waterproofing agent：
By described in（1）In obtained hydrophobic particles 18-22g be added to it is described（2）It is middle to prepare in the dispersant completed, add carbon
Fluorine emulsifier 6301 0.5-3.0g and Silane coupling agent KH550 0.1-0.3g, are stirred at room temperature 3 hours, obtain adding hydrophobic grain
Sub- modified fluoro-silicone resin waterproofing agent.
2. the waterproofing agent preparation method according to claim 1 for fibrous plate, which is characterized in that described（3）In, room
After temperature stirring 3 hours, filler-calcium carbonate 5-10g, talcum powder 1-5g, thickener polyacrylate copolymer 1-3g are additionally added, after
Continuous stirring 2 hours.
3. the waterproofing agent preparation method according to claim 1 for fibrous plate, which is characterized in that described（3）In, room
After temperature stirring 3 hours, filler-calcium carbonate 7g, talcum powder 3g, thickener polyacrylate copolymer 2g are additionally added, continues stirring 2
Hour.
4. the waterproofing agent preparation method according to claim 2 for fibrous plate, which is characterized in that described continues to stir
After mixing 2 hours, it is additionally added epoxies adhesion promoter EL9060 0.5-1g and continues stirring 1 hour.
5. a kind of waterproofing agent preparation method for fibrous plate, which is characterized in that the waterproofing agent is addition hydrophobic particles
Modified fluoro-silicone resin waterproofing agent, preparation method are：
（1）, prepare hydrophobic particles：
Tetraethyl orthosilicate 2g and dodecyltrimethoxysilane 6g is added in ethyl alcohol 20ml, then mass concentration is gradually added dropwise
28% ammonia spirit 6ml is stirred at room temperature 5 hours, and evaporated under reduced pressure obtains hydrophobic particles；
（2）, prepare dispersant：
Water 300ml is added to dilute fluorine silicon resin lotion KT-800 100ml, add 0.3g NONIN HS 240s and ten
It is stirred 1 hour under six alkyl trimethyl ammonium chloride 0.7g, 800rpm, obtains the diluted fluorine silicon resin lotion as dispersant；
（3）, be mixed and made into waterproofing agent：
Hydrophobic particles 20g is added in the diluted fluorine silicon resin lotion as dispersant, adds carbon fluorine emulsifier 6301
0.7g and Silane coupling agent KH550 0.2g is stirred at room temperature 3 hours, obtains addition hydrophobic particles modified fluoro-silicone resin waterproofing agent.
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| CN103571291A (en) * | 2012-07-27 | 2014-02-12 | 比亚迪股份有限公司 | Waterproof coating |
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| JPH05209396A (en) * | 1991-12-19 | 1993-08-20 | Osaka Insatsu Ink Seizo Kk | Composition for adjusting sliding resistance of water repellency-finished paper |
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| CN103571291A (en) * | 2012-07-27 | 2014-02-12 | 比亚迪股份有限公司 | Waterproof coating |
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