CN105949916A - Water-resistant salt-spray-resistant coating for urban cast copper sculpture and preparation method of water-resistant salt-mist-resistant coating - Google Patents

Water-resistant salt-spray-resistant coating for urban cast copper sculpture and preparation method of water-resistant salt-mist-resistant coating Download PDF

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Publication number
CN105949916A
CN105949916A CN201610406494.2A CN201610406494A CN105949916A CN 105949916 A CN105949916 A CN 105949916A CN 201610406494 A CN201610406494 A CN 201610406494A CN 105949916 A CN105949916 A CN 105949916A
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China
Prior art keywords
water
resistant
salt
coating
component
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Pending
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CN201610406494.2A
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Chinese (zh)
Inventor
薛焕刚
安施军
刘勇
丁莉莉
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Tongling Qingtongshida Sculpture Co Ltd
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Tongling Qingtongshida Sculpture Co Ltd
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Priority to CN201610406494.2A priority Critical patent/CN105949916A/en
Publication of CN105949916A publication Critical patent/CN105949916A/en
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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
    • 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
    • C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers 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
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
    • C08F220/32—Esters containing oxygen in addition to the carboxy oxygen containing epoxy radicals
    • 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • 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
    • 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
    • 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
    • C08L2205/04—Polymer mixtures characterised by other features containing interpenetrating networks

Abstract

The invention discloses a water-resistant salt-spray -resistant coating for an urban cast copper sculpture. The water-resistant salt-spray-resistant coating is prepared from, by weight, 1-2 parts of tetraethoxysilane, 1-2 parts of gamma-glycidoxy propyl trimethoxy silane, 0.3-0.5 part of hydroxyethyl cellulose, 0.1-0.2 part of sodium molybdate, 1-2 parts of methacrylic acid, 6-8 parts of epoxypropyl methacrylate, 0.5-1 part of octamethylcyclotetrasiloxane, 0.03-0.05 part of ammonium persulfate, 0.1-0.15 part of lauryl sodium sulfate, 0.2-0.4 part of triethanolamine borate, 0.2-0.4 part of fluorocarbon surfactant FC-4430 and 0.3-0.5 part of zinc naphthenate. The coating can provide excellent corrosion resisting performance, has good flexibility, adhesiveness and mechanical performance, meanwhile, has the advantages of being high in water and salt mist resisting performance, and is suitable for being used in the salt-spray environment in coastal cities and high in practical value.

Description

A kind of water-fast salt spray resistance city copper casted sculpture coating and preparation method thereof
Technical field
The present invention relates to copper casted sculpture technical field of coatings, particularly relate to a kind of water-fast salt spray resistance city copper casted sculpture coating and preparation method thereof.
Background technology
The raising required along with people's City Life Quality, sculpture for city, as one of the specifically carrier having type of urban culture, is more and more paid attention to.Sculpture for city is to stand on the sculpture in public place, city, it stands in great numbers at high building, in road city in length and breadth, play and alleviate the plug crowded, urgent and stiff, single phenomenon brought because building concentrates, the most also can play on spacious place and increase the effect of balance, can not only beautifying urban environment, also embody urban culture, show zeitgeist.Wherein, copper casted sculpture is the important component part of sculpture for city culture and arts.
The history of cast copper is the longest, and technology maturation, and the restoration of artistic creation is good, is suitable for becoming the material of fine works, is liked widely, especially most commonly seen with figure sculpture.But cast copper requires height to storage environment condition, it is chronically in outdoor environment easily oxidation deterioration, maintenance difficulty, it is therefore desirable to take certain means that it is carried out surfacecti proteon.Copper is protected by document " the TEOS content impact on its antiseptic property in copper alloy surface Mercaptofunctional organic silicon sol-gel coat " by the method preparing organic silicon sol-gel coat on copper surface, the corrosion resistance of coating is preferable, but, organic silicon sol-gel coat also exist poor with the adhesive force of copper, crosslinking degree is low, pliability is poor, easy to crack, the problems such as antiseptic effect is the most relatively limited, be not suitable for carrying out actual application in copper casted sculpture field.Therefore, it is necessary to make improvements, it is provided that have the copper casted sculpture coating of good adhesion, ruggedness and antiseptic effect.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of have good mechanical properties and high tack and compactness is good, antiseptic property is excellent water-fast salt spray resistance city copper casted sculpture coating and preparation method thereof concurrently.
The present invention is achieved by the following technical solutions:
A kind of water-fast salt spray resistance city copper casted sculpture coating, it is to be prepared by the raw material of following weight parts:
Tetraethyl orthosilicate 1-2, γ-glycidyl ether oxygen propyl trimethoxy silicane 1-2, hydroxyethyl cellulose 0.3-0.5, sodium molybdate 0.1-0.2, methacrylic acid 1-2, glytidyl methacrylate 6-8, octamethylcy-clotetrasiloxane 0.5-1, Ammonium persulfate. 0.03-0.05, sodium lauryl sulphate 0.1-0.15, triethanolamine borate 0.2-0.4, fluorocarbon surfactant FC-4430 0.2-0.4, zinc naphthenate 0.3-0.5.
The preparation method of a kind of water-fast salt spray resistance city copper casted sculpture coating, comprises the following steps:
(1) under room temperature, 8-10h is stirred after first being mixed by the hydrochloric acid solution of tetraethyl orthosilicate with γ-glycidyl ether oxygen propyl trimethoxy silicane 1:10-1:12 with 0.01-0.015mol/L by weight, it is subsequently adding hydroxyethyl cellulose and sodium molybdate stirring and dissolving is complete, pH is adjusted to 5-6, obtains component A；
(2) first sodium lauryl sulphate is added to the water by weight 1:60-1:80 and stirs 5-10min, it is subsequently adding methacrylic acid, glytidyl methacrylate and octamethylcy-clotetrasiloxane 40-60 DEG C stirring 10-15min and obtains pre-emulsion, the solution that Ammonium persulfate. is configured to 3-5% obtains initiator, then the initiator of the pre-emulsion of 10-15% weight Yu 50-60% weight is added jointly 80-85 DEG C of stirring 0.5-1h in reactor, drip remaining initiator and pre-emulsion again, first stir 0.5-1h, then isothermal holding 2-4h, obtains B component after cooling；
(3) first component A is mixed and stirred for uniformly obtaining mixed liquor with remaining raw material in addition to B component, is then slowly added into B component and stirring at low speed is uniform, be filtered to remove impurity and i.e. obtain water-fast salt spray resistance city copper casted sculpture coating.
The invention have the advantage that
The present invention utilizes tetraethyl orthosilicate and γ-glycidyl ether oxygen propyl trimethoxy silicane hydrolysis to obtain hybrid inorganic-organic Ludox, improves mechanical performance and the weatherability of coating；Utilize and carry out polymerization formation inierpeneirating network structure complex emulsions into methacrylic acid, glytidyl methacrylate and octamethylcy-clotetrasiloxane, improve the pliability of coating, tack and compactness；By both synergism and the interpolation of remaining raw material and compounding, make the copper casted sculpture coating obtained strong with copper surface adhesion, uniform, fine and close coating can be formed on copper sculpture surface, both the decay resistance of excellence it had been provided that, also there is good pliability, tack and mechanical performance, the most also having feature water-fast, that salt spray resistance is high, be suitable in the salt mist environment of coastal city using, practical value is high.
Detailed description of the invention
A kind of water-fast salt spray resistance city copper casted sculpture coating, is prepared from by the component raw material of following weight (kg):
Tetraethyl orthosilicate 1, γ-glycidyl ether oxygen propyl trimethoxy silicane 1, hydroxyethyl cellulose 0.3, sodium molybdate 0.1, methacrylic acid 1, glytidyl methacrylate 6, octamethylcy-clotetrasiloxane 0.5, Ammonium persulfate. 0.03, sodium lauryl sulphate 0.1, triethanolamine borate 0.2, fluorocarbon surfactant FC-4430 0.2, zinc naphthenate 0.3.
The preparation method of a kind of water-fast salt spray resistance city copper casted sculpture coating, comprises the following steps:
(1) under room temperature, 8h is stirred after first being mixed by the hydrochloric acid solution of tetraethyl orthosilicate with γ-glycidyl ether oxygen propyl trimethoxy silicane 1:10 with 0.01mol/L by weight, it is subsequently adding hydroxyethyl cellulose and sodium molybdate stirring and dissolving is complete, pH is adjusted to 5, obtains component A；
(2) first sodium lauryl sulphate is added to the water by weight 1:60 and stirs 5min, it is subsequently adding methacrylic acid, glytidyl methacrylate and octamethylcy-clotetrasiloxane 40 DEG C stirring 10min and obtains pre-emulsion, the solution that Ammonium persulfate. is configured to 3% obtains initiator, then the pre-emulsion of 10% weight and the initiator of 50% weight are added jointly 80 DEG C of stirring 0.5h in reactor, drip remaining initiator and pre-emulsion again, first stir 0.5h, then isothermal holding 2h, obtains B component after cooling；
(3) first component A is mixed and stirred for uniformly obtaining mixed liquor with remaining raw material in addition to B component, is then slowly added into B component and stirring at low speed is uniform, be filtered to remove impurity and i.e. obtain water-fast salt spray resistance city copper casted sculpture coating.
Above-mentioned prepared coating property is as follows:
Adhesive force: 1 grade；
Acid resistance (immerses 5%H2SO4In solution): 15d is non-foaming, do not fall off；
Alkali resistance (immerse 5%NaOH solution in): 15d is non-foaming, do not fall off；
Resistance to salt water (immerse 5%NaCl solution in): 15d is non-foaming, do not fall off；
Thermostability (150 DEG C): 7d is non-foaming, do not fall off；
Salt fog resistance: 4000h is non-foaming, do not fall off；
Resistance to water: 3 months non-foaming, do not fall off.

Claims (2)

1. a water-fast salt spray resistance city copper casted sculpture coating, it is characterised in that it is to be prepared by the raw material of following weight parts:
Tetraethyl orthosilicate 1-2, γ-glycidyl ether oxygen propyl trimethoxy silicane 1-2, hydroxyethyl cellulose 0.3-0.5, sodium molybdate 0.1-0.2, methacrylic acid 1-2, glytidyl methacrylate 6-8, octamethylcy-clotetrasiloxane 0.5-1, Ammonium persulfate. 0.03-0.05, sodium lauryl sulphate 0.1-0.15, triethanolamine borate 0.2-0.4, fluorocarbon surfactant FC-4430 0.2-0.4, zinc naphthenate 0.3-0.5.
The preparation method of a kind of water-fast salt spray resistance city copper casted sculpture coating the most according to claim 1, it is characterised in that comprise the following steps:
(1) under room temperature, 8-10h is stirred after first being mixed by the hydrochloric acid solution of tetraethyl orthosilicate with γ-glycidyl ether oxygen propyl trimethoxy silicane 1:10-1:12 with 0.01-0.015mol/L by weight, it is subsequently adding hydroxyethyl cellulose and sodium molybdate stirring and dissolving is complete, pH is adjusted to 5-6, obtains component A；
(2) first sodium lauryl sulphate is added to the water by weight 1:60-1:80 and stirs 5-10min, it is subsequently adding methacrylic acid, glytidyl methacrylate and octamethylcy-clotetrasiloxane 40-60 DEG C stirring 10-15min and obtains pre-emulsion, the solution that Ammonium persulfate. is configured to 3-5% obtains initiator, then the initiator of the pre-emulsion of 10-15% weight Yu 50-60% weight is added jointly 80-85 DEG C of stirring 0.5-1h in reactor, drip remaining initiator and pre-emulsion again, first stir 0.5-1h, then isothermal holding 2-4h, obtains B component after cooling；
(3) first component A is mixed and stirred for uniformly obtaining mixed liquor with remaining raw material in addition to B component, is then slowly added into B component and stirring at low speed is uniform, be filtered to remove impurity and i.e. obtain water-fast salt spray resistance city copper casted sculpture coating.
CN201610406494.2A 2016-06-12 2016-06-12 Water-resistant salt-spray-resistant coating for urban cast copper sculpture and preparation method of water-resistant salt-mist-resistant coating Pending CN105949916A (en)

Priority Applications (1)

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CN201610406494.2A CN105949916A (en) 2016-06-12 2016-06-12 Water-resistant salt-spray-resistant coating for urban cast copper sculpture and preparation method of water-resistant salt-mist-resistant coating

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Application Number Priority Date Filing Date Title
CN201610406494.2A CN105949916A (en) 2016-06-12 2016-06-12 Water-resistant salt-spray-resistant coating for urban cast copper sculpture and preparation method of water-resistant salt-mist-resistant coating

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CN105949916A true CN105949916A (en) 2016-09-21

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101307194A (en) * 2008-06-27 2008-11-19 江苏科技大学 Organic-inorganic hybridization ultraviolet cured paint for protecting metallic surface
CN101423735A (en) * 2008-12-05 2009-05-06 武汉科技学院 Method for preparing environment-friendly type organosilicon modified acrylic ester binding agent

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101307194A (en) * 2008-06-27 2008-11-19 江苏科技大学 Organic-inorganic hybridization ultraviolet cured paint for protecting metallic surface
CN101423735A (en) * 2008-12-05 2009-05-06 武汉科技学院 Method for preparing environment-friendly type organosilicon modified acrylic ester binding agent

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
方劲戎等: "《企业信息手册》", 31 December 1985, 浙江科学技术出版社 *

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Application publication date: 20160921