CN109554049A - A kind of preparation method of aqueous woodware paint - Google Patents

A kind of preparation method of aqueous woodware paint Download PDF

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Publication number
CN109554049A
CN109554049A CN201811464827.2A CN201811464827A CN109554049A CN 109554049 A CN109554049 A CN 109554049A CN 201811464827 A CN201811464827 A CN 201811464827A CN 109554049 A CN109554049 A CN 109554049A
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CN
China
Prior art keywords
parts
added
mechanical stirring
paint
polyurethane
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Pending
Application number
CN201811464827.2A
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Chinese (zh)
Inventor
徐康
袁少飞
李琴
吴晓兵
张建
王洪艳
张家祖
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Zhejiang Academy of Forestry
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Zhejiang Academy of Forestry
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Application filed by Zhejiang Academy of Forestry filed Critical Zhejiang Academy of Forestry
Priority to CN201811464827.2A priority Critical patent/CN109554049A/en
Publication of CN109554049A publication Critical patent/CN109554049A/en
Pending legal-status Critical Current

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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
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09D133/10—Homopolymers or copolymers of methacrylic acid esters
    • C09D133/12—Homopolymers or copolymers of methyl methacrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3203—Polyhydroxy compounds
    • C08G18/3206—Polyhydroxy compounds aliphatic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3271—Hydroxyamines
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
    • C08G18/6688—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3271
    • 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

A kind of preparation method of aqueous woodware paint, comprising the following steps: (1) double bond containing unsaturated polyurethane prepolymer is made；Then plus 15-22 parts of methyl methacrylates, 2-4 parts of propenyl benzenes, 1-3 parts of non-iron polymerizable polyurethane surfactants are eventually adding 2-6 parts of 2-amino-2-methyl-1-propanols, and stable acrylate-polyurethane copolymer mixture is made；(2) 85-90 parts of acrylate-polyurethane copolymer mixtures are taken, 2-5 parts of deionized waters, 2-5 parts of coalescing agent butyl glycol ethers are added under mechanical stirring, then 0.1-2 parts of polyoxyethylene glycol Arrcostabs, 0.1-2 parts of organic silicon modified by polyether are added under mechanical stirring, 0.1-2 parts of polyester resin change properties of organic silicon, the filtering and discharging after mechanical stirring are added after stirring.The present invention provide a kind of paint film property preferably, the preparation method of the faster aqueous woodware paint of paint vehicle rate of drying.

Description

A kind of preparation method of aqueous woodware paint
Technical field
The present invention relates to aqueous woodware paints, and in particular to the modified aqueous polyurethane sill of bamboo product or woodwork furniture Device paint.
Background technique
Indoors in environment, the woodwork through oil paint facing such as furniture slowly releases volatility in use Organic matter brings permanent harm to indoor occupant.Compared to oiliness woodcare paint, water paint is characterized in that low toxicity, low VOC Content, thus safer environmental protection.With scientific and technological progress and the enhancing of people's environmental consciousness, aqueous woodware paint substitution or part are replaced For traditional oily paint product, meet the green and healthy theory of consumer and high-quality life requires, this will be one long-term, not The mediocre development trend doubted.
In recent years, more active aqueous woodware paint is focused primarily upon with acrylic acid and water in the market for technical research and paint vehicle Property polyurethane be base-material two major classes, including acrylic acid ester emulsion type, dispersions of polyurethanes, polyurethane/acrylic resin hydridization Aqueous dispersion etc..Wherein, acrylic paint vehicle advantage of lower cost, but paint film property is general, and wear-resisting and chemical resistance is slightly worse； And waterborne polyurethane resin lacquer material adhesive force is high, paint film is plentiful, and flexible wear-resisting, film formation at low temp is good, but price is more expensive. Polyurethane/acrylic resin hybrid can integrate the two advantage, and synergistic effect is embodied in film forming characteristics, paint film property, valence Lattice advantage etc., sexual valence is relatively high.In view of the stability and comprehensive performance of hybrid, obtained preferably in a manner of physics blending The difficulty of performance hybrid is larger, not preferred scheme, and modification by copolymerization is preferable mode.
Summary of the invention
Paint film property in order to overcome the shortcomings of existing aqueous woodware paint is poor, paint vehicle rate of drying is slower, and the present invention mentions Supplied a kind of paint film property preferably, the preparation method of the faster aqueous woodware paint of paint vehicle rate of drying.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of preparation method of aqueous woodware paint, comprising the following steps:
(1) 8-12 parts of isoflurane chalcone diisocyanates, 2-6 parts of polytetrahydrofuran diols, 5-10 parts of Solvents N-methyls are added 3-5 parts of chain extender (CH are added up to 5% in pyrrolidones, reaction to NCO content3)2NCH2CHN2OH, trimethylolpropane, 45-55 Part deionized water, reaction to NCO content are 0, and double bond containing unsaturated polyurethane prepolymer is made；Plus 15-22 parts of methyl then Methyl acrylate, 2-4 parts of propenyl benzenes, 1-3 parts of surfactants are eventually adding 2-6 parts of neutralizers, stable acrylic acid are made Ester-polyurethane interpolymer mixture.
(2) 85-90 parts of acrylate-polyurethane copolymer mixtures are taken, are added under 400-600r/min mechanical stirring 2-5 parts of deionized waters, 2-5 parts of coalescing agent butyl glycol ethers, are then added 0.1-2 under 2500-3500r/min mechanical stirring Part polyoxyethylene glycol Arrcostab, 0.1-2 parts of organic silicon modified by polyether after stirring 20-40min, are added 0.1-2 parts of polyester and change Property organosilicon, after 400-600r/min mechanical stirring 20-40min, filtering and discharging.
The present invention first synthesizes a kind of modified aqueous polyurethane resin (acrylate-polyurethane copolymer mixture), then Auxiliary agent is added again, is configured to aqueous woodware paint.
Beneficial effects of the present invention are mainly manifested in: paint film property is preferable, and paint vehicle rate of drying is very fast.
Specific embodiment
The invention will be further described below.
A kind of preparation method of aqueous woodware paint, comprising the following steps:
(1) 8-12 parts of isoflurane chalcone diisocyanates, 2-6 parts of polytetrahydrofuran diols, 5-10 parts of Solvents N-methyls are added 3-5 parts of chain extender (CH are added up to 5% in pyrrolidones, reaction to NCO content3)2NCH2CHN2OH, trimethylolpropane, 45-55 Part deionized water, reaction to NCO content are 0, and double bond containing unsaturated polyurethane prepolymer is made；Plus 15-22 parts of methyl then Methyl acrylate, 2-4 parts of propenyl benzenes, 1-3 parts of surfactants are eventually adding 2-6 parts of neutralizers, stable acrylic acid are made Ester-polyurethane interpolymer mixture；
(2) 85-90 parts of acroleic acid polyurethane lotions are taken, 2-5 parts of deionizations are added under 400-600r/min mechanical stirring Then 0.1-2 parts of polyoxyethylene are added in water, 2-5 parts of coalescing agent butyl glycol ethers under 2500-3500r/min mechanical stirring After stirring 20-40min, 0.1-2 parts of polyester resin change properties of organic silicon are added in ethylene glycol Arrcostab, 0.1-2 part organic silicon modified by polyether, After 400-600r/min mechanical stirring 20-40min, filtering and discharging.
Embodiment 1
A kind of aqueous woodware paint preparation method, comprising the following steps:
(1) 9 parts of isoflurane chalcone diisocyanates of addition, 5 parts of polytetrahydrofuran diols, 7 parts of solvent N-methyl pyrilidones, 4 parts of chain extender (CH are added to NCO content up to 5% in reaction3)2NCH2CHN2OH, trimethylolpropane, 50 parts of deionized waters, instead It should be 0 to NCO content, double bond containing unsaturated polyurethane prepolymer is made.Then plus 17 parts of methyl methacrylates, 3 parts of benzene Propylene, 2 parts of surfactants (non-iron polymerizable polyurethane surfactant) are eventually adding 3 parts of neutralizer (2- amino- 2- methyl-1-propyl alcohol), stable acrylate-polyurethane copolymer mixture is made.
(2) 88 parts of acrylate-polyurethane copolymer mixtures are taken, under 400r/min mechanical stirring be added 6 parts go from Sub- water, 5 parts of coalescing agent butyl glycol ethers, are then added 0.4 polyoxyethylene glycol alkyl under 3500r/min mechanical stirring Ester, 0.3 part of organic silicon modified by polyether, after stirring 30min, 0.3 part of polyester resin change properties of organic silicon is added, in 400-600r/min machine After tool stirs 30min, filtering and discharging.
The paint vehicle solid content 31% of the present embodiment, pH6.5-7.0, viscosity 60.85mPa.s, color milky, average grain diameter 87.22d.nm, surface drying time 12min, cover with paint, lacquer, colour wash, etc. 0 grade or 1 grade of adhesive force after three layers of veneered plywood, H grades of pencil hardness or 2H。
Embodiment 2
A kind of preparation method of aqueous woodware paint, comprising the following steps:
(1) 8 parts of isoflurane chalcone diisocyanates of addition, 2 parts of polytetrahydrofuran diols, 5 parts of solvent N-methyl pyrilidones, 3 parts of chain extender (CH are added to NCO content up to 5% in reaction3)2NCH2CHN2OH, trimethylolpropane, 45 parts of deionized waters, instead It should be 0 to NCO content, double bond containing unsaturated polyurethane prepolymer is made；Then plus 15 parts of methyl methacrylates, 2 parts of benzene Propylene, 1 part of surfactant (non-iron polymerizable polyurethane surfactant) are eventually adding 2 parts of neutralizer (2- amino- 2- methyl-1-propyl alcohol), stable acrylate-polyurethane copolymer mixture is made；
(2) 85 parts of acrylate-polyurethane copolymer mixtures are taken, under 400r/min mechanical stirring be added 2 parts go from Then 0.1 part of polyoxyethylene glycol alkane is added in sub- water, 2 parts of coalescing agent butyl glycol ethers under 2500r/min mechanical stirring Base ester, 0.1 part of organic silicon modified by polyether are added 0.1 part of polyester resin change properties of organic silicon, stir in 400r/min machinery after stirring 20min After mixing 20min, filtering and discharging.
Embodiment 3
A kind of preparation method of aqueous woodware paint, comprising the following steps:
(1) 12 parts of isoflurane chalcone diisocyanates, 6 parts of polytetrahydrofuran diols, 10 parts of Solvents N-methyl pyrrolidines are added Ketone reacts to NCO content up to 5%, 5 parts of chain extender (CH is added3)2NCH2CHN2OH, trimethylolpropane, 55 parts of deionized waters, Reaction to NCO content is 0, and double bond containing unsaturated polyurethane prepolymer is made；Then plus 22 parts of methyl methacrylates, 4 parts Propenyl benzene, 3 parts of surfactants (non-iron polymerizable polyurethane surfactant) are eventually adding 6 parts of neutralizer (2- ammonia Base-2- methyl-1-propyl alcohol), stable acrylate-polyurethane copolymer mixture is made；
(2) 90 parts of acrylate-polyurethane copolymer mixtures are taken, under 600r/min mechanical stirring be added 5 parts go from Then 2 parts of polyoxyethylene glycol alkyl are added in sub- water, 5 parts of coalescing agent butyl glycol ethers under 3500r/min mechanical stirring After stirring 40min 2 parts of polyester resin change properties of organic silicon are added, in 400-600r/min mechanical stirring in ester, 2 parts of organic silicon modified by polyether After 40min, filtering and discharging.

Claims (1)

1. a kind of preparation method of aqueous woodware paint, which is characterized in that the described method comprises the following steps:
(1) 8-12 parts of isoflurane chalcone diisocyanates, 2-6 parts of polytetrahydrofuran diols, 5-10 parts of Solvents N-methyl pyrroles are added 3-5 parts of chain extender (CH are added up to 5% in alkanone, reaction to NCO content3)2NCH2CHN2OH, trimethylolpropane, 45-55 parts are gone Ionized water, reaction to NCO content are 0, and double bond containing unsaturated polyurethane prepolymer is made；Plus 15-22 parts of metering systems then Sour methyl esters, 2-4 parts of propenyl benzenes, 1-3 parts of surfactants are eventually adding 2-6 parts of neutralizers, and it is poly- that stable acrylate-is made Urethane copolymer mixture.
(2) the acrylate-polyurethane copolymer mixture for taking 85-90 parts, is added 2-5 under 400-600r/min mechanical stirring Part deionized water, 2-5 parts of coalescing agent butyl glycol ethers, are then added 0.1-2 parts under 2500-3500r/min mechanical stirring After stirring 20-40min, 0.1-2 parts of polyester modifications are added in polyoxyethylene glycol Arrcostab, 0.1-2 part organic silicon modified by polyether Organosilicon, after 400-600r/min mechanical stirring 20-40min, filtering and discharging.
CN201811464827.2A 2018-12-03 2018-12-03 A kind of preparation method of aqueous woodware paint Pending CN109554049A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101974141A (en) * 2010-09-19 2011-02-16 广州市香港科大霍英东研究院 Preparation method of water-based polyacrylate modified polyurethane dispersion (PUD)
CN105199076A (en) * 2015-10-23 2015-12-30 青岛展辰新材料有限公司 Preparation method of water-based ultraviolet light-cured biology-base polyurethane acrylate resin
CN105368291A (en) * 2015-11-24 2016-03-02 三棵树涂料股份有限公司 Water-borne woodware coating containing modified polyurethane emulsion and preparation method thereof
KR20170105256A (en) * 2016-03-09 2017-09-19 최승환 Ceramic paint composition for fire-proof painting and method of fire-proof painting using thereof
CN107603400A (en) * 2017-09-18 2018-01-19 广州冠志新材料科技有限公司 Waterborne polyurethane modified acrylic acid ester emulsion and preparation method thereof and water-borne wood coating

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101974141A (en) * 2010-09-19 2011-02-16 广州市香港科大霍英东研究院 Preparation method of water-based polyacrylate modified polyurethane dispersion (PUD)
CN105199076A (en) * 2015-10-23 2015-12-30 青岛展辰新材料有限公司 Preparation method of water-based ultraviolet light-cured biology-base polyurethane acrylate resin
CN105368291A (en) * 2015-11-24 2016-03-02 三棵树涂料股份有限公司 Water-borne woodware coating containing modified polyurethane emulsion and preparation method thereof
KR20170105256A (en) * 2016-03-09 2017-09-19 최승환 Ceramic paint composition for fire-proof painting and method of fire-proof painting using thereof
CN107603400A (en) * 2017-09-18 2018-01-19 广州冠志新材料科技有限公司 Waterborne polyurethane modified acrylic acid ester emulsion and preparation method thereof and water-borne wood coating

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Title
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Application publication date: 20190402