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CN108976866A - A kind of bamboo rattan material wide spectrum mildew resistant paint - Google Patents

A kind of bamboo rattan material wide spectrum mildew resistant paint Download PDF

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Publication number
CN108976866A
CN108976866A CN201810883175.XA CN201810883175A CN108976866A CN 108976866 A CN108976866 A CN 108976866A CN 201810883175 A CN201810883175 A CN 201810883175A CN 108976866 A CN108976866 A CN 108976866A
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parts
resistant paint
mildew resistant
wide spectrum
weight
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Inventor
徐治合
徐蓝天
徐艳云
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Anhui Three Arts & Crafts Co Ltd
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Anhui Three Arts & Crafts Co Ltd
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Priority to CN201810883175.XA priority Critical patent/CN108976866A/en
Publication of CN108976866A publication Critical patent/CN108976866A/en
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D4/00Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
    • C09D4/06Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10Esters
    • C08F220/20Esters of polyhydric alcohols or phenols, e.g. 2-hydroxyethyl (meth)acrylate or glycerol mono-(meth)acrylate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/10Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C08G18/12Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/4009Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
    • C08G18/4081Mixtures of compounds of group C08G18/64 with other macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/48Polyethers
    • C08G18/4825Polyethers containing two hydroxy groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/62Polymers of compounds having carbon-to-carbon double bonds
    • C08G18/6216Polymers of alpha-beta ethylenically unsaturated carboxylic acids or of derivatives thereof
    • C08G18/622Polymers of esters of alpha-beta ethylenically unsaturated carboxylic acids
    • C08G18/6225Polymers of esters of acrylic or methacrylic acid
    • C08G18/6229Polymers of hydroxy groups containing esters of acrylic or methacrylic acid with aliphatic polyalcohols
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/64Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
    • C08G18/6484Polysaccharides and derivatives thereof
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/14Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/63Additives non-macromolecular organic
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/38Boron-containing compounds
    • C08K2003/387Borates

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
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  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Plant Pathology (AREA)
  • Inorganic Chemistry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention belongs to bamboo rattan material processing method technical fields, more particularly to a kind of bamboo rattan material wide spectrum mildew resistant paint, the raw material including following parts by weight: 55-65 parts of polymerization of acrylic modified polyurethane lotion, 2-8 parts of borax, modifying agent 12-16 parts mould proof, 1-2 parts of emulsifier, 1-3 parts of stabilizer, 0.4-0.8 parts of pH adjusting agent.The present invention is had the advantage that in the present invention compared with prior art through the mould proof modifying agent of rational proportion, mould inhibitor is set effectively to be combined with polymerization of acrylic modified polyurethane lotion, improve the homogenieity of coating, make it have preferable compactness and film forming, coating has stronger broad spectrum activity, suitable for different use environments.

Description

A kind of bamboo rattan material wide spectrum mildew resistant paint
Technical field
The invention belongs to bamboo rattan material processing method technical fields, and in particular to a kind of bamboo rattan material wide spectrum mildew resistant paint.
Background technique
Bamboo rattan material is the no-wood forest resource for integrating economic benefit, ecological benefits and social benefit, is that timber is short It is main instead of type resource in scarce situation, considerable status, but starch, sugar in bamboo rattan material are occupied in world forest resources Class, protein content are higher than timber, and fibr tissue is mostly longitudinal arrangement, thus are easier the erosion by various moulds, Existing mildew-proof treatment method generally includes phenols and organic heavy metal compound, such as benzene mercury naphthenate, phenylmercuric acetate etc., with There is formaldehyde release-type fungicide again afterwards, but contains phenols, organic heavy metal compound and first in these mildew resistant paint formulas The severe toxicity such as aldehyde or high toxic material have biggish toxic side effect to human body and environment, have stopped using at present;Developed now The mould inhibitor to get up is mostly based on the lower substance of nontoxic or toxicity, such as heterocyclic compound, organo-tin compound, organic chloride Object, organocopper compound etc., but mildew resistant paint currently on the market are closed, exists mostly or fungicidal spectrum is narrow or validity period is short, or is applied The property covered is poor, or the problems such as be more toxic or be expensive.
Summary of the invention
The purpose of the present invention is being directed to existing problem, a kind of bamboo rattan material wide spectrum mildew resistant paint is provided.
The present invention is achieved by the following technical solutions: a kind of bamboo rattan material wide spectrum mildew resistant paint, including following weight The raw material of part: 55-65 parts of polymerization of acrylic modified polyurethane lotion, 2-8 parts of borax, modifying agent 12-16 parts mould proof, emulsifier 1-2 Part, 1-3 parts of stabilizer, 0.4-0.8 parts of pH adjusting agent;
The polymerization of acrylic modified polyurethane lotion the preparation method comprises the following steps: polyurethane prepolymer is heated to 55-60 DEG C after, stirring 20-30 minutes, basic magnesium carbonate, the 2.5- of the acrylic ester polymerization liquid, 1-3% that are equivalent to its weight 20-30% is then added The C of 3.6% N- bromo-succinimide, 0.2-0.6%6The fatty acid sorbitan alcohol of-O- sulfated chitosan, 0.1-0.3% Ester, 200% solvent, temperature be 65-75 DEG C under conditions of be stirred 3-4 hour, revolving removing solvent to get;
The mould proof modifying agent includes the raw material of following parts by weight: 6-10 parts of Chinese scholartree bark extract, iodo propinyl ammonia formic acid fourth 4-6 parts of ester, 6-10 parts of diene monomers, 12-18 parts of hydroxyethyl methacrylate, 3-5 parts of 4- hydroxybutyl acrylate, versatic acid 1-3 parts of vinyl acetate, 2-4 parts of ammonium chloride.
As further improvement of these options, the polyurethane prepolymer the preparation method comprises the following steps: by polyether Glycols, Diisocyanate with weight ratio 5:1.1-1.3 mixing, temperature be 75-85 DEG C under conditions of stir 2-3 hours to get;It is described Acrylic ester polymerization liquid is by (methyl) hydroxypropyl acrylate, acrylic acid 4- hydroxybutyl, (methyl) butyl acrylate with weight ratio 12-16:4-6:1 mixing, adds the azo diisobutyl amidine hydrochloride and 0.3-0.5% for being equivalent to its total weight 1.2-1.8 % Potassium peroxydisulfate, after mixing temperature be 80-85 DEG C under conditions of be mixed 6-8 hours after obtain.
As further improvement of these options, the solvent is glycol monoethyl ether.
As further improvement of these options, the Chinese scholartree bark extract the preparation method comprises the following steps: secondary Cortex sophorae is dried It does to water content lower than pulverizing after 3%, sieves with 100 mesh sieve, and be equivalent to 30-40 times of its weight, mass concentration as 80-90%'s Ethanol solution is ultrasonically treated 20-30 minutes under conditions of 20-24kHz, filters after the completion, is added in filter residue and is equivalent to it 10-20 times of weight, the ethanol solution that mass concentration is 55-65%, are handled 30-40 hours under conditions of temperature is 45-55 DEG C, Filtering merges filtrate twice, dry to aqueous under conditions of temperature is 50 DEG C after 0.22 μm of filter membrane carries out hyperfiltration It measures as 1-3% to obtain the final product.
As further improvement of these options, the emulsifier is dodecyl trimethyl ammonium bromide, cetyl One of trimethylammonium bromide or the organic functions polysiloxanes containing quaternary ammonium group.
As further improvement of these options, the stabilizer is benzene sulfonyl chloride.
As further improvement of these options, the pH adjusting agent is one of sodium bicarbonate, ammonium hydroxide.
As further improvement of these options, the pH value of the mildew resistant paint is 7.6-7.8.
The mould proof better performances of iodo propinyl ammonia butyl formate, bacteriological protection performance is relatively poor, is illuminated by the light and easily divides Solution influences anti-mold effect, is acted in the present invention by Chinese scholartree bark extract conjunction with which, guarantee to mention while its mould proof performance Its high bacteriological protection performance, cooperates the reasonable preparation of other raw materials of modifying agent, can prevent iodo propinyl ammonia butyl formate light According to decomposition, its weatherability and mould proof stability are improved.
The present invention is had the advantage that in the present invention compared with prior art through the mould proof modifying agent of rational proportion, is made mould proof Agent can effectively be combined with polymerization of acrylic modified polyurethane lotion, improve the homogenieity of coating, make it have preferable compactness And film forming, coating has stronger broad spectrum activity, suitable for different use environments.
Specific embodiment
Embodiment 1
A kind of bamboo rattan material wide spectrum mildew resistant paint, the raw material including following parts by weight: 60 parts of polymerization of acrylic modified polyurethane lotion, 5 parts of borax, 14 parts of mould proof modifying agent, 1.5 parts of emulsifier, 2 parts of stabilizer, 0.6 part of pH adjusting agent;
The polymerization of acrylic modified polyurethane lotion the preparation method comprises the following steps: polyurethane prepolymer is heated to 58 DEG C after, stirring 25 Minute, the acrylic ester polymerization liquid, 2% basic magnesium carbonate, 3.1% N- bromo fourth two for being equivalent to its weight 25% is then added Acid imide, 0.4% C6- O- sulfated chitosan, 0.2% fatty acid loss water sorbit ester, 200% solvent are 70 in temperature Be stirred under conditions of DEG C 3.5 hours, revolving remove solvent to get;
The mould proof modifying agent includes the raw material of following parts by weight: 8 parts of Chinese scholartree bark extract, iodo propinyl ammonia butyl formate 5 Part, 8 parts of diene monomers, 15 parts of hydroxyethyl methacrylate, 4 parts of 4- hydroxybutyl acrylate, 2 parts of tertiary ethylene carbonate, chlorine Change 3 parts of ammonium.
Wherein, the polyurethane prepolymer the preparation method comprises the following steps: by polyether Glycols, diisocyanate with weight ratio 5: 1.2 mixing, temperature be 80 DEG C under conditions of stir 2.5 hours to get;The acrylic ester polymerization liquid is by (methyl) acrylic acid Hydroxypropyl acrylate, acrylic acid 4- hydroxybutyl, (methyl) butyl acrylate are added with weight ratio 14:5:1 mixing and are equivalent to its gross weight 1.5% azo diisobutyl amidine hydrochloride and 0.4% potassium peroxydisulfate are measured, it is mixed under conditions of temperature is 82 DEG C after mixing It is obtained after closing stirring 7 hours.
Wherein, the solvent is glycol monoethyl ether.
Wherein, the Chinese scholartree bark extract the preparation method comprises the following steps: secondary Cortex sophorae is dried to water content lower than grinding after 3% Cheng Fen is sieved with 100 mesh sieve, ultrasonic under conditions of 22kHz with the ethanol solution for being equivalent to 35 times of its weight, mass concentration is 85% Processing 25 minutes, is filtered after the completion, is added in filter residue and is equivalent to 15 times of its weight, the ethanol solution that mass concentration is 60%, Temperature is handled 35 hours under conditions of being 50 DEG C, is filtered, and filtrate twice is merged, after 0.22 μm of filter membrane carries out hyperfiltration, Being dried under conditions of temperature is 50 DEG C to water content is 2% to obtain the final product.
Wherein, the emulsifier is dodecyl trimethyl ammonium bromide;The stabilizer is benzene sulfonyl chloride;The pH is adjusted Agent is sodium bicarbonate.
Wherein, the pH value of the mildew resistant paint is 7.7.
Embodiment 2
A kind of bamboo rattan material wide spectrum mildew resistant paint, the raw material including following parts by weight: 55 parts of polymerization of acrylic modified polyurethane lotion, 8 parts of borax, 12 parts of mould proof modifying agent, 2 parts of emulsifier, 1 part of stabilizer, 0.8 part of pH adjusting agent;
The polymerization of acrylic modified polyurethane lotion the preparation method comprises the following steps: polyurethane prepolymer is heated to 60 DEG C after, stirring 20 Minute, the acrylic ester polymerization liquid, 1% basic magnesium carbonate, 3.6% N- bromo fourth two for being equivalent to its weight 30% is then added Acid imide, 0.6% C6- O- sulfated chitosan, 0.1% fatty acid loss water sorbit ester, 200% solvent are 75 in temperature Be stirred under conditions of DEG C 4 hours, revolving remove solvent to get;
The mould proof modifying agent includes the raw material of following parts by weight: 6 parts of Chinese scholartree bark extract, iodo propinyl ammonia butyl formate 4 Part, 6 parts of diene monomers, 12 parts of hydroxyethyl methacrylate, 5 parts of 4- hydroxybutyl acrylate, 3 parts of tertiary ethylene carbonate, chlorine Change 2 parts of ammonium.
Wherein, the polyurethane prepolymer the preparation method comprises the following steps: by polyether Glycols, diisocyanate with weight ratio 5: 1.3 mixing, temperature be 85 DEG C under conditions of stir 2 hours to get;The acrylic ester polymerization liquid is by (methyl) acrylic acid hydroxyl Propyl ester, acrylic acid 4- hydroxybutyl, (methyl) butyl acrylate are added with weight ratio 16:4:1 mixing and are equivalent to its total weight 1.2% azo diisobutyl amidine hydrochloride and 0.5% potassium peroxydisulfate mix under conditions of temperature is 85 DEG C after mixing Stirring obtains after 8 hours.
Wherein, the solvent is glycol monoethyl ether.
Wherein, the Chinese scholartree bark extract the preparation method comprises the following steps: secondary Cortex sophorae is dried to water content lower than grinding after 3% Cheng Fen is sieved with 100 mesh sieve, ultrasonic under conditions of 24kHz with the ethanol solution for being equivalent to 30 times of its weight, mass concentration is 90% Processing 30 minutes, is filtered after the completion, is added in filter residue and is equivalent to 20 times of its weight, the ethanol solution that mass concentration is 65%, Temperature is handled 30 hours under conditions of being 55 DEG C, is filtered, and filtrate twice is merged, after 0.22 μm of filter membrane carries out hyperfiltration, Being dried under conditions of temperature is 50 DEG C to water content is 3% to obtain the final product.
Wherein, the emulsifier is cetyl trimethylammonium bromide;The stabilizer is benzene sulfonyl chloride;The pH is adjusted Agent is ammonium hydroxide.
Wherein, the pH value of the mildew resistant paint is 7.8.
Embodiment 3
A kind of bamboo rattan material wide spectrum mildew resistant paint, the raw material including following parts by weight: 65 parts of polymerization of acrylic modified polyurethane lotion, 2 parts of borax, 16 parts of mould proof modifying agent, 1 part of emulsifier, 3 parts of stabilizer, 0.4 part of pH adjusting agent;
The polymerization of acrylic modified polyurethane lotion the preparation method comprises the following steps: polyurethane prepolymer is heated to 55 DEG C after, stirring 30 Minute, the acrylic ester polymerization liquid, 3% basic magnesium carbonate, 2.5% N- bromo fourth two for being equivalent to its weight 20% is then added Acid imide, 0.2% C6- O- sulfated chitosan, 0.3% fatty acid loss water sorbit ester, 200% solvent are 65 in temperature Be stirred under conditions of DEG C 3 hours, revolving remove solvent to get;
The mould proof modifying agent includes the raw material of following parts by weight: 10 parts of Chinese scholartree bark extract, iodo propinyl ammonia butyl formate 6 Part, 10 parts of diene monomers, 18 parts of hydroxyethyl methacrylate, 3 parts of 4- hydroxybutyl acrylate, 1 part of tertiary ethylene carbonate, chlorine Change 4 parts of ammonium.
Wherein, the polyurethane prepolymer the preparation method comprises the following steps: by polyether Glycols, diisocyanate with weight ratio 5: 1.1 mixing, temperature be 75 DEG C under conditions of stir 3 hours to get;The acrylic ester polymerization liquid is by (methyl) acrylic acid hydroxyl Propyl ester, acrylic acid 4- hydroxybutyl, (methyl) butyl acrylate are added with weight ratio 12:6:1 mixing and are equivalent to its total weight 1.8% azo diisobutyl amidine hydrochloride and 0.3% potassium peroxydisulfate mix under conditions of temperature is 80 DEG C after mixing Stirring obtains after 6 hours.
Wherein, the solvent is glycol monoethyl ether.
Wherein, the Chinese scholartree bark extract the preparation method comprises the following steps: secondary Cortex sophorae is dried to water content lower than grinding after 3% Cheng Fen is sieved with 100 mesh sieve, ultrasonic under conditions of 20kHz with the ethanol solution for being equivalent to 40 times of its weight, mass concentration is 80% Processing 20 minutes, is filtered after the completion, is added in filter residue and is equivalent to 10 times of its weight, the ethanol solution that mass concentration is 55%, Temperature is handled 40 hours under conditions of being 45 DEG C, is filtered, and filtrate twice is merged, after 0.22 μm of filter membrane carries out hyperfiltration, Being dried under conditions of temperature is 50 DEG C to water content is 1% to obtain the final product.
Wherein, the emulsifier is the organic functions polysiloxanes containing quaternary ammonium group;The stabilizer is benzene sulfonyl chloride;Institute Stating pH adjusting agent is sodium bicarbonate.
Wherein, the pH value of the mildew resistant paint is 7.6.
Control group 1 is set, Chinese scholartree bark extract in embodiment 1 is removed, remaining content is constant;Control group 2 is set, it will be real Apply Chinese scholartree bark extract in example 1, iodo propinyl ammonia butyl formate is made an addition in coating by corresponding proportion, remaining content is constant; Above-mentioned coating is coated on bamboo material surface, coated weight 200-240g/m2, by GB/T18261- by contrived experiment in a manner of cold soaking 2000 " experimental methods that mould inhibitor prevents and treats timber mould and Stain fungi " carry out fungicidal properties test, that is, detect the suppression of various moulds Rate processed obtains following result:
Table 1
It can be seen that Chinese scholartree bark extract in the present invention, iodo propinyl ammonia butyl formate synergistic effect by data in table 1, Antibacterial effect can be enhanced.
After the corresponding coating of above-mentioned coating, is irradiated under the ultraviolet radiator of 500w 30 days, press GB/ again after the completion T18261-2000 " experimental method that mould inhibitor prevents and treats timber mould and Stain fungi " carries out fungicidal properties test, obtains following knot Fruit:
Table 2
It is preferable to can be seen that the ageing-resistant degree of mildew resistant paint in the present invention by data in table 2, be able to extend its use it is effective Phase.

Claims (8)

1. a kind of bamboo rattan material wide spectrum mildew resistant paint, which is characterized in that the raw material including following parts by weight: acrylate modified poly- 55-65 parts of urethane lotion, 2-8 parts of borax, modifying agent 12-16 parts mould proof, 1-2 parts of emulsifier, 1-3 parts of stabilizer, pH adjusting agent 0.4-0.8 parts;
The polymerization of acrylic modified polyurethane lotion the preparation method comprises the following steps: polyurethane prepolymer is heated to 55-60 DEG C after, stirring 20-30 minutes, basic magnesium carbonate, the 2.5- of the acrylic ester polymerization liquid, 1-3% that are equivalent to its weight 20-30% is then added The C of 3.6% N- bromo-succinimide, 0.2-0.6%6The fatty acid sorbitan alcohol of-O- sulfated chitosan, 0.1-0.3% Ester, 200% solvent, temperature be 65-75 DEG C under conditions of be stirred 3-4 hour, revolving removing solvent to get;
The mould proof modifying agent includes the raw material of following parts by weight: 6-10 parts of Chinese scholartree bark extract, iodo propinyl ammonia formic acid fourth 4-6 parts of ester, 6-10 parts of diene monomers, 12-18 parts of hydroxyethyl methacrylate, 3-5 parts of 4- hydroxybutyl acrylate, versatic acid 1-3 parts of vinyl acetate, 2-4 parts of ammonium chloride.
2. a kind of bamboo rattan material wide spectrum mildew resistant paint as described in claim 1, which is characterized in that the polyurethane prepolymer The preparation method comprises the following steps: polyether Glycols, diisocyanate are mixed with weight ratio 5:1.1-1.3, the condition for being 75-85 DEG C in temperature Lower stirring 2-3 hours to get;The acrylic ester polymerization liquid by (methyl) hydroxypropyl acrylate, acrylic acid 4- hydroxybutyl, (methyl) butyl acrylate adds the azo two for being equivalent to its total weight 1.2-1.8 % with weight ratio 12-16:4-6:1 mixing The potassium peroxydisulfate of isobutyl amidine hydrochloride and 0.3-0.5% is mixed under conditions of temperature is 80-85 DEG C after mixing It is obtained after 6-8 hours.
3. a kind of bamboo rattan material wide spectrum mildew resistant paint as described in claim 1, which is characterized in that the solvent is ethylene glycol list first Ether.
4. a kind of bamboo rattan material wide spectrum mildew resistant paint as described in claim 1, which is characterized in that the system of the Chinese scholartree bark extract Preparation Method are as follows: secondary Cortex sophorae is dried to water content lower than pulverizing after 3%, is sieved with 100 mesh sieve, and is equivalent to its weight 30-40 Again, mass concentration is the ethanol solution of 80-90%, is ultrasonically treated 20-30 minutes under conditions of 20-24kHz, filters after the completion, It is added in filter residue and is equivalent to 10-20 times of its weight, the ethanol solution that mass concentration is 55-65%, be 45-55 DEG C in temperature Under the conditions of handle 30-40 hours, filter, merge filtrate twice, be 50 in temperature after 0.22 μm of filter membrane carries out hyperfiltration Under conditions of DEG C dry to water content be 1-3% to obtain the final product.
5. a kind of bamboo rattan material wide spectrum mildew resistant paint as described in claim 1, which is characterized in that the emulsifier is dodecyl One of trimethylammonium bromide, cetyl trimethylammonium bromide or organic functions polysiloxanes containing quaternary ammonium group.
6. a kind of bamboo rattan material wide spectrum mildew resistant paint as described in claim 1, which is characterized in that the stabilizer is benzene sulfonyl Chlorine.
7. a kind of bamboo rattan material wide spectrum mildew resistant paint as described in claim 1, which is characterized in that the pH adjusting agent is bicarbonate One of sodium, ammonium hydroxide.
8. a kind of bamboo rattan material wide spectrum mildew resistant paint as described in claim 1, which is characterized in that the pH value of the mildew resistant paint is 7.6-7.8。
CN201810883175.XA 2018-08-06 2018-08-06 A kind of bamboo rattan material wide spectrum mildew resistant paint Pending CN108976866A (en)

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Application publication date: 20181211