CN106566328B - High damping properties damping paint - Google Patents
High damping properties damping paint Download PDFInfo
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- CN106566328B CN106566328B CN201610931038.XA CN201610931038A CN106566328B CN 106566328 B CN106566328 B CN 106566328B CN 201610931038 A CN201610931038 A CN 201610931038A CN 106566328 B CN106566328 B CN 106566328B
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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
- C09D125/00—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 an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated esters
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- 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
- C08F212/00—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 an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F212/06—Hydrocarbons
- C08F212/08—Styrene
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- 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
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
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- 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
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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
- 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
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- 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
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- C09D7/65—Additives macromolecular
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- 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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- 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
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
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- 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 proposes a kind of high damping properties damping paint, in parts by weight, including following raw material：585~615 parts of 145~155 parts of styrene-acrylic emulsion, 45~55 parts of antirust emulsion, 70~80 parts of plasticity acrylic emulsion, 170~180 parts of pure-acrylic emulsion, 13~17 parts of coalescents, 185~215 parts of fire retardant and functional stuffing.The damping paint damping capacity is excellent, and composite damping coefficient reaches 3 times of similar imported product or more, and high/low temperature performance is better.
Description
Technical field
The invention belongs to damping paint technical fields, and in particular to the good damping paint of composite damping coefficient performance.
Background technology
Damping paint type is more both at home and abroad at present, but has solvent type and aqueous type two from the solvent of coating to be divided to mainly
Kind.The former contains organic solvent and pitch mostly, and toxicity is high, volatility is big, pollution environment, application property are poor, less use.Afterwards
Person's damping paint has the low smell of low toxicity, low cost, easily construction, the feature of environmental protection, is city rail vehicle damping paint using water as solvent
Preferred product.
China development and production damping paint from the 1960s, up to the present also form more mature grind
System and production system, wherein just there is on May 13rd, 1998 to authorize：Patent No. CN1039342C, entitled water-based insulation
Damping paint, this coating are succeeded in developing by Dalian Locomotive Vehicle Factory's Sun Lian will et al., are ideal so far damping paints,
But there is also following shortcomings for this coating：It is smaller to damp recombination loss factor (tan η), η max=0.13 cannot meet existing
The vibration and noise reducing performance requirement of stage city rail vehicle, therefore uncomfortable cooperation city rail vehicle damping paint；Using asbestos fibre at
Part is too heavy, and big to human toxicity, no feature of environmental protection is also unsuitable for industrialized production；Not plus fire retardant, city rail vehicle resistance is not achieved
Fire security requirement.
With the development of technology, existing coating process requires aqueous damping coating wet film coating to be resistant to 100 ° can not toast
Bubble does not crack and not dusting, and it is 3 times of existing damping paint or more to require composite damping coefficient performance, however existing at present
There is the report of such damping paint.
Invention content
The present invention proposes a kind of high damping properties damping paint, and the damping paint damping capacity is excellent, composite damping coefficient
Reach 3 times or more of similar imported product, high/low temperature performance is better.
The technical proposal of the invention is realized in this way：
A kind of high damping properties damping paint, in parts by weight, including following raw material：Styrene-acrylic emulsion 145~155
Part, 45~55 parts of antirust emulsion, 70~80 parts of plasticity acrylic emulsion, 170~180 parts of pure-acrylic emulsion, coalescents 13~
585~615 parts of 17 parts, 185~215 parts of fire retardant and functional stuffing.
Further, the styrene-acrylic emulsion according to the number of parts by weight, including following raw material：
25~30 parts of seed emulsion, 395~405 parts of butyl acrylate, 348~354 parts of Isooctyl acrylate monomer, metering system
205~215 parts of sour methyl esters, 540~560 parts of styrene, 20~25 parts of acrylic acid, 4~7 parts of emulsifier, acrylic compounds function list
20~25 parts of body, 4.5~6.5 parts of thermal decomposition initiating, 1.3~1.9 parts of oxidation-reduction initiator system, sodium dithionite
768~867 parts of 0.8~1.0 part, 0.020~0.025 part of accelerating agent, 16~20 parts of pH adjusting agent, 3~5 parts of fungicide and water,
Wherein, the oxidation-reduction initiator system is made of 0.85~1.15 part and 0.45~0.75 part oxidant of inorganic reducing agent.
The preparation method of the styrene-acrylic emulsion, includes the following steps：
1) it weighs in 290~310 parts of water heating reaction kettles and is warming up to 80~84 DEG C, with 10~15 parts of water by 1.5~2.5
Part thermal decomposition initiating dissolves to obtain solution A, first by 25~30 parts of addition reaction kettles of seed emulsion, then solution A is added anti-
It answers in kettle, stirs, temperature of reaction kettle is then risen to 82 DEG C~86 DEG C；
2) by 395~405 parts of butyl acrylate, 348~354 parts of Isooctyl acrylate monomer, methyl methacrylate 205~
215 parts, 540~560 parts of styrene, 20~25 parts of acrylic acid, 4~7 parts of emulsifier be mixed with to obtain with 200~210 parts of water
3~4 parts of thermal decomposition initiatings are dissolved to obtain B solution, pre-emulsion are used simultaneously with B solution by pre-emulsion with 145~155 parts of water
When 5.8~6.2h be added dropwise as in reaction kettle, wherein when the half for also remaining original quality is added dropwise in pre-emulsion, by acrylic compounds function
20~25 parts of monomer is added in pre-emulsion, when 25~35min of subsequent continuation of insurance temperature is added dropwise in pre-emulsion and B solution；Wherein,
B solution rate of addition of the time of the first half during dropwise addition is one times of later half time rate of addition；
3) reaction kettle after keeping the temperature step 2) is cooled to 68~72 DEG C, and reaction is added for 0.020~0.025 part in accelerating agent
In kettle, 0.45 part~0.75 part oxidation-reduction initiator system is configured to C solution with 50~70 parts of water, with 50~70 parts of water
0.85 part~1.15 parts oxidation-reduction initiator systems are configured to solution D, C solution is added dropwise with 13~17min into reaction kettle
In, then solution in reaction kettle is transferred to and is adjusted in tank, and is cooled to 53 DEG C~57 DEG C, solution D is added dropwise to and is adjusted in tank,
Time for adding is 28~32min, continues to be cooled to 48 DEG C~52 DEG C, and sodium dithionite is added 8~12 parts for 0.8~1.0 part
It is configured to E solution in water, E solution is added dropwise into adjusting in tank, time for adding is 9~11min, and subsequent continuation of insurance temperature 13 is added dropwise
Then~17min weighs 16~20 parts of pH adjusting agent and instills in adjusting tank, time for adding is 13~17min；
4) by fungicide 3~5 parts obtain F solution with 15~25 parts of water dissolutions, step 3) is dripped to the tune of pH adjusting agent
Section tank is cooled to 38 DEG C~42 DEG C, is then added to F solution with 13~17min and adjusts in tank, 13~17min of insulated and stirred,
Then with 150 mesh filter screen impurity screenings, you can.
Further, the solid content of the seed emulsion be 48~52%, by methyl methacrylate, Isooctyl acrylate monomer with
Acrylic acid is made, and the accelerating agent is ferrous sulfate.
Further, the thermal decomposition initiating is ammonium persulfate, potassium peroxydisulfate, sodium peroxydisulfate or hydrogen peroxide, oxidation
Agent is tert-butyl hydroperoxide, and inorganic reducing agent is one or two kinds of in arabo-ascorbic acid and formaldehyde time conjunction niter cake.
Further, according to the number of parts by weight, the plasticity acrylic emulsion includes following raw material：
150~170 parts of butyl acrylate, 90~110 parts of styrene, 35~45 parts of methyl methacrylate, acrylic acid α-
112~122 parts of ethylhexyl, 10~14 parts of methacrylic acid, 8~11 parts of ammonium acrylate, 13~17 parts of acrylonitrile, water 390~
450 parts, 1.2~2.2 parts of thermal decomposition initiating, 1.4~2.2 parts of oxidation-reduction initiator system, 3~4 parts of pH adjusting agent, kill
0.5~1 part of 1~2 part of microbial inoculum and emulsifier, wherein the oxidation-reduction initiator system by 0.6~1 part of inorganic reducing agent and
0.8~1.2 part of oxidant composition.
Further, the thermal decomposition initiating is ammonium persulfate, potassium peroxydisulfate, sodium peroxydisulfate or hydrogen peroxide, oxidation
Agent is tert-butyl hydroperoxide, and inorganic reducing agent is sodium sulfite, sodium hydrogensulfite, sodium pyrosulfite, acetone conjunction bisulfite
Sodium, ferrous sulfate or formaldehyde time close niter cake.
The plasticity acrylic emulsion preparation method, includes the following steps：
1) it takes 330~350 parts of water to be added in reaction kettles, 3~4 parts of pH adjusting agents is added and are warming up to 78~82 DEG C, with 10~
15 parts of water dissolve 1~1.6 part of thermal decomposition initiating to obtain solution A, and solution A is added in reaction kettle, keep liquid in reaction kettle
Temperature is at 78~82 DEG C；
2) 150~170 parts of butyl acrylate, 90~110 parts of styrene, 35~45 parts of methyl methacrylate, third are weighed
Olefin(e) acid α -112~122 parts of ethylhexyl, 10~14 parts of methacrylic acid, 13~17 parts of 8~11 parts of ammonium acrylate and acrylonitrile into
Row is mixed to get monomer mixture, and it is mixed with 0.2~0.6 part of thermal decomposition initiating to weigh 15~25 parts of water, 0.5~1 part of emulsifier
Conjunction obtains B solution, and monomer mixture is added dropwise in the reaction kettle in step 1), and the dropwise addition duration is 3.8~4.2h, works as list
After body mixture is added dropwise in 28~32min, B solution is added dropwise, after monomer mixture is added dropwise with B solution, keeps in reaction kettle
Temperature be 80 DEG C~84 DEG C, the time be 0.8~1.2h；
3) reaction kettle after heat preservation in step 2) is first cooled to 63~67 DEG C, weighs oxidation-reduction initiator body
It it is 1.4~2.2 parts, wherein dispersion in 5~15 parts of water, which is added, in 0.8~1.2 part of oxidant obtains dispersion solution, inorganic reducing agent
0.6~1 part is mixed to get C solution with 25~35 parts of water, and then dispersion liquid and C solution are added in reaction kettle simultaneously, and the used time is
28~32min；
4) by fungicide 1~2 part obtain solution D with 5~10 parts of water dissolutions, the reaction kettle that finishes of step 3) reaction is cooled down
To 35~42 DEG C, then solution D is added to 8~12min in reaction kettle, is stirred, mixing time is 8~12min, has been stirred
120 mesh filter screen impurity screenings are crossed after finishing.
Further, the functional stuffing is the mixing of thick sepiolite, mica powder, floating bead, talcum powder, coarse whiting and Cab-O-sil
Object, wherein 70~80 parts of thick sepiolite, 70~80 parts of mica powder, 45~55 parts of floating bead, 70~80 parts of talcum powder, coarse whiting 23~27
145~155 parts of part and Cab-O-sil.
Further, the fire retardant is the mixture of decabromodiphenyl oxide, antimony oxide and melamine, wherein ten bromines join
35~45 parts of 75~85 parts of phenylate, 75~85 parts of antimony oxide and melamine.
Further, further include 23~27 portions of preservatives and 4~6 parts of black slurries.
The preparation method of the high damping properties damping paint of the present invention, includes the following steps：
Weigh 145~155 parts of styrene-acrylic emulsion, 45~55 parts of antirust emulsion, 70~80 parts of plasticity acrylic emulsion with it is pure
The mixing of 170~180 parts of acrylic emulsion, rotating speed 80r/min, time 10min or so, be then added coalescents with it is fire-retardant
Then functional filler, stirring 60min or so is added in agent, stirring 5min or so.
In one embodiment of the invention, styrene-acrylic emulsion is made of above-mentioned raw material and is had the following advantages：
There is good acidproof, alkaline-resisting and resistance to machine oil performance, pH value 8 or so simultaneously.Wherein, acid resistance >=for 24 hours without blistering,
The defects of falling off, be tacky, fading；Alkali resistance >=for 24 hours without blister, fall off, it is tacky, fade the defects of；Oil resistivity (0# diesel oil/machine
Oil) >=for 24 hours without blister, fall off, it is tacky, fade the defects of, allow light discolouration.
In one embodiment of the invention, plasticity acrylic emulsion is made using above-mentioned raw material with following
Advantage：
The plasticity acrylic emulsion pH value is 7~8, and solid content is 52~54%, and viscosity (25 DEG C of 60 turns of No. 3 rotors) is small
In 500 centipoises, 180~200nm of grain size.First monomer mixture is reacted with thermal decomposition initiating, then again with thermal decomposition
Initiator, emulsifier reaction, are conducive to stabilised in size size, prepare the lotion of 180~200nm of grain size in this way.
The plasticity acrylic emulsion can substitute plasticizer use.Substituting plasticizer can solve because a large amount of plasticising are added
Agent leads to prepare damping paint or the phenomenon that the general water paint later stage thickens, and is that product storage is more stable, at the same solve by
Cause after plasticizer is added technical barrier that product related performance indicators decline, in damping paint spraying process sagging technology
Problem and damping paint increase damping paint due to the technical barrier that spraying, atomization decline after addition plasticizer
Water-retaining property.
Advantageous effect of the present invention：
The high damping properties damping paint temperature of the present invention controls 100 degree and is coated in above proximate matter, toasts 6 hours, heat preservation 4
Room temperature is arrived after hour, baking is not blistering, does not crack and not dusting.Its solid content is 66% or so, has wider temperature range ,-
It is 60 DEG C~100 DEG C, acidproof, salt spray resistance ability is good.Storage stability：It easily stirs evenly again, 13~15mm of consistency.
The main performance index of the high damping properties damping paint prepared in the embodiment of the present invention is as shown in table 1：
The main performance of 1 high damping properties damping paint of table
Specific implementation mode
Embodiment 1
A kind of high damping properties damping paint, in parts by weight, including following raw material：150 parts of styrene-acrylic emulsion, antirust
50 parts of lotion, 75 parts of plasticity acrylic emulsion, 175 parts of pure-acrylic emulsion, 15 parts of coalescents, 80 parts of decabromodiphenyl oxide, three oxygen
Change 80 parts of two antimony, 40 parts of melamine, 75 parts of thick sepiolite, 75 parts of mica powder, 50 parts of floating bead, 75 parts of talcum powder, 25 parts of coarse whiting
With 150 parts, 25 portions preservatives of Cab-O-sil and 5 parts of black slurries.
Wherein, antirust emulsion is the DL-1065 antirust emulsions of Beijing Donglian Chemical Co., Ltd.'s production, solid content 41
± 1%, pH 7-7.5,20 DEG C of glass transition temperature, 30 DEG C of minimum film formation temperature, viscosity are less than 20cps, have high glaze, height hard
Degree, levelling is good and solvent resistance feature, there is excellent adhesive force, gloss height, good weatherability and good corrosion resistance to base material.
The solid content of pure-acrylic emulsion be 30 ± 2%, pH 7-7.5, -5 DEG C of glass transition temperature, 0 DEG C of minimum film formation temperature, glue
Degree is less than 20cps.
Styrene-acrylic emulsion according to the number of parts by weight, including following raw material：
28 parts of seed emulsion, 398 parts of butyl acrylate, 351 parts of Isooctyl acrylate monomer, 210 parts of methyl methacrylate, benzene
550 parts of ethylene, 23 parts of acrylic acid, 6 parts of alkyl polyoxyethylene acyl sodium sulfonate, 3- (methacryloxypropyl) propyl trimethoxy silicane
23 parts, 5.5 parts of ammonium sulfate, 1.6 parts of oxidation-reduction initiator system, 0.9 part of sodium dithionite, 0.023 part of ferrous sulfate,
818 parts of 18 parts of ammonium hydroxide, 4 parts of chlormethylisothiazo,ine ketone and water, wherein the oxidation-reduction initiator system includes 0.4 part of uncle
- 0.8 part of arabo-ascorbic acid of -0.2 part of formaldehyde Sodium Thiosulfate of butylhydroperoxide and 0.2 part of tert-butyl hydroperoxide.Seed
The solid content of lotion is 50%, is made of methyl methacrylate, Isooctyl acrylate monomer and acrylic acid.
Styrene-acrylic emulsion preparation method, includes the following steps：
1) it weighs in 300 parts of water heating reaction kettles and is warming up to 82 DEG C, by 2 parts of ammonium sulfate dissolve to obtain A with 12 parts of water molten
Liquid first by 28 parts of addition reaction kettles of seed emulsion, then solution A is added in reaction kettle, stirring, then by temperature of reaction kettle liter
To 84 DEG C；
2) by 398 parts of butyl acrylate, 351 parts of Isooctyl acrylate monomer, 210 parts of methyl methacrylate, styrene 550
Part, 23 parts of acrylic acid, 6 parts of alkyl polyoxyethylene acyl sodium sulfonate are mixed with to obtain pre-emulsion with 206 parts of water, will with 150 parts of water
3.5 parts of ammonium sulfate dissolve to obtain B solution, and by pre-emulsion, used time 6h is added dropwise as (B solution is being added dropwise in reaction kettle simultaneously with B solution
The rate of addition of the time of the first half is one times of later half time rate of addition in the process), wherein when pre-emulsion be added dropwise it is also surplus
Originally when the half of quality, 3- (methacryloxypropyl) propyl trimethoxy silicane is added in pre-emulsion for 23 parts, when pre- breast
Subsequent continuation of insurance temperature 30min is added dropwise with B solution in liquid；
3) reaction kettle after keeping the temperature step 2) is cooled to 70 DEG C, by 0.023 part of addition reaction kettle of ferrous sulfate, with 60
- 0.2 part of formaldehyde Sodium Thiosulfate of 0.4 part of tert-butyl hydroperoxide is configured to C solution by part water, with 60 parts of water by 0.2 part of tertiary fourth
- 0.8 part of arabo-ascorbic acid of base hydrogen peroxide is configured to solution D, and C solution is added dropwise with 15min into reaction kettle, then will reaction
Solution, which is transferred to, in kettle is adjusted in tank, and is cooled to 55 DEG C, and solution D is added dropwise to and is adjusted in tank, time for adding 30min, after
It is continuous to be cooled to 50 DEG C, it will be configured to E solution in sodium dithionite 0.9 part of addition, 10 parts of water, E solution will be added dropwise into adjusting tank
In, subsequent continuation of insurance temperature 15min is added dropwise in time for adding 10min, then weighs 18 parts of ammonium hydroxide and instills in adjusting tank, is added dropwise
Time is 15min；.
4) by chlormethylisothiazo,ine ketone 4 parts obtain F solution with 20 parts of water dissolutions, step 3) is dripped to the adjusting of ammonium hydroxide
Tank is cooled to 40 DEG C, is then added to F solution with 15min and adjusts in tank, insulated and stirred 15min, then with 150 mesh filter screen mistakes
Filter impurity, you can.
Plasticity acrylic emulsion according to the number of parts by weight, including following raw material：
160 parts of butyl acrylate, 100 parts of styrene, 40 parts of methyl methacrylate, acrylic acid α -117 parts of ethylhexyl,
12 parts of methacrylic acid, 9 parts of ammonium acrylate, 15 parts of acrylonitrile, 422 parts of water, 1.7 parts of ammonium persulfate, oxidation-reduction initiator body
It it is 1.8 parts, 2.5 parts of pH adjusting agent, 0.7 part of emulsifier and 1.5 parts of chlormethylisothiazo,ine ketone.Wherein, oxidation-reduction initiator
System is made of 0.8 part and 1 part oxidant of inorganic reducing agent, and oxidant is tert-butyl hydroperoxide, and inorganic reducing agent is formaldehyde
Secondary conjunction niter cake.
The preparation method of plasticity acrylic emulsion：
Include the following steps：
1) it takes 342 parts of water to be added in reaction kettles, 2.5 parts of pH adjusting agents is added and are warming up to 80 DEG C, with 12 parts of water by 1.3 parts of mistakes
Ammonium sulfate dissolves to obtain solution A, and solution A is added in reaction kettle, and fluid temperature is at 80 DEG C in holding reaction kettle；
2) 160 parts of butyl acrylate, 100 parts of styrene, 40 parts of methyl methacrylate, acrylic acid α-ethylhexyl are weighed
15 parts of 117 parts, 12 parts of methacrylic acid, 9 parts of ammonium acrylate and acrylonitrile carry out being mixed to get monomer mixture, weigh 20 parts
Water, 0.7 part of emulsifier are mixed to get B solution with 0.4 part of ammonium persulfate, reaction kettle monomer mixture being added dropwise in step 1)
In, the dropwise addition duration is 4h, after monomer mixture is added dropwise in 30min, B solution is added dropwise, monomer mixture is added dropwise with B solution
After, it is 82 DEG C to keep the temperature in reaction kettle, time 1h；
3) reaction kettle after heat preservation in step 2) is first cooled to 65 DEG C, weighs oxidation-reduction initiator system 1.8
Part, wherein dispersion in 8 parts of water, which is added, in 1 part of oxidant obtains dispersion solution, 0.8 part of inorganic reducing agent is mixed to get C with 30 parts of water
Then solution dispersion liquid and C solution is added in reaction kettle simultaneously, used time 30min；
4) by chlormethylisothiazo,ine ketone 1.5 parts obtain solution D with 10 parts of water dissolutions, step 3) is reacted into the reaction that finishes
Kettle is cooled to 40 DEG C, is then added to solution D in reaction kettle with 10min, and mixing time is 8~12min, mistake after stirring
120 mesh filter screen impurity screenings.
Embodiment 2
A kind of high damping properties damping paint, in parts by weight, including following raw material：145 parts of styrene-acrylic emulsion, antirust
55 parts of lotion, 70 parts of plasticity acrylic emulsion, 180 parts of pure-acrylic emulsion, 13 parts of coalescents, 75 parts of decabromodiphenyl oxide, three oxygen
Change 75 parts of two antimony, 35 parts of melamine, 70 parts of thick sepiolite, 70 parts of mica powder, 45 parts of floating bead, 70 parts of talcum powder, 23 parts of coarse whiting
With 145 parts, 23 portions preservatives of Cab-O-sil and 4 parts of black slurries.
Wherein, antirust emulsion is the DL-1065 antirust emulsions of Beijing Donglian Chemical Co., Ltd.'s production, solid content 41
± 1%, pH 7-7.5,20 DEG C of glass transition temperature, 30 DEG C of minimum film formation temperature, viscosity are less than 20cps, have high glaze, height hard
Degree, levelling is good and solvent resistance feature, there is excellent adhesive force, gloss height, good weatherability and good corrosion resistance to base material.
The solid content of pure-acrylic emulsion be 30 ± 2%, pH 7-7.5, -5 DEG C of glass transition temperature, 0 DEG C of minimum film formation temperature, glue
Degree is less than 20cps.
Styrene-acrylic emulsion according to the number of parts by weight, including following raw material：
25 parts of seed emulsion, 395 parts of butyl acrylate, 348 parts of Isooctyl acrylate monomer, 205 parts of methyl methacrylate, benzene
560 parts of ethylene, 25 parts of acrylic acid, 7 parts of alkyl polyoxyethylene acyl sodium sulfonate, 3- (methacryloxypropyl) propyl trimethoxy silicane
25 parts, 6.5 parts of potassium sulfate, 1.3 parts of oxidation-reduction initiator system, 0.8 part of sodium dithionite, 0.020 part of ferrous sulfate,
768 parts of 16 parts of ammonium hydroxide, 3 parts of chlormethylisothiazo,ine ketone and water, wherein the oxidation-reduction initiator system includes 0.3 part of uncle
- 0.7 part of arabo-ascorbic acid of -0.15 part of formaldehyde Sodium Thiosulfate of butylhydroperoxide and 0.15 part of tert-butyl hydroperoxide.Kind
The solid content of sub- lotion is 52%, is made of methyl methacrylate, Isooctyl acrylate monomer and acrylic acid.
Plasticity acrylic emulsion according to the number of parts by weight, including following raw material：
150 parts of butyl acrylate, 90 parts of styrene, 35 parts of methyl methacrylate, acrylic acid α -112 parts of ethylhexyl,
14 parts of methacrylic acid, 11 parts of ammonium acrylate, 17 parts of acrylonitrile, 390 parts of water, 1.2 parts of potassium peroxydisulfate, oxidation-reduction initiator
2 parts of 1.4 parts of system, 3 parts of pH adjusting agent, 0.5 part of emulsifier and chlormethylisothiazo,ine ketone, wherein oxidation-reduction initiator body
System is made of 0.6 part and 0.8 part oxidant of inorganic reducing agent, and oxidant is tert-butyl hydroperoxide, and inorganic reducing agent is acetone
Close sodium hydrogensulfite.
The preparation method of plasticity acrylic emulsion is identical as the plasticity acrylic emulsion preparation method in embodiment 1.
Embodiment 3
A kind of high damping properties damping paint, in parts by weight, including following raw material：155 parts of styrene-acrylic emulsion, antirust
45 parts of lotion, 80 parts of plasticity acrylic emulsion, 175 parts of pure-acrylic emulsion, 17 parts of coalescents, 85 parts of decabromodiphenyl oxide, three oxygen
Change 85 parts of two antimony, 45 parts of melamine, 80 parts of thick sepiolite, 80 parts of mica powder, 55 parts of floating bead, 80 parts of talcum powder, 27 parts of coarse whiting
With 155 parts, 27 portions preservatives of Cab-O-sil and 6 parts of black slurries.
Wherein, antirust emulsion is the DL-1065 antirust emulsions of Beijing Donglian Chemical Co., Ltd.'s production, solid content 41
± 1%, pH 7-7.5,20 DEG C of glass transition temperature, 30 DEG C of minimum film formation temperature, viscosity are less than 20cps, have high glaze, height hard
Degree, levelling is good and solvent resistance feature, there is excellent adhesive force, gloss height, good weatherability and good corrosion resistance to base material.
The solid content of pure-acrylic emulsion be 30 ± 2%, pH 7-7.5, -5 DEG C of glass transition temperature, 0 DEG C of minimum film formation temperature, glue
Degree is less than 20cps.
Styrene-acrylic emulsion is identical as the styrene-acrylic emulsion in embodiment 2.
According to the number of parts by weight, plasticity acrylic emulsion includes following raw material：
170 parts of butyl acrylate, 110 parts of styrene, 45 parts of methyl methacrylate, acrylic acid α -122 parts of ethylhexyl,
10 parts of methacrylic acid, 8 parts of ammonium acrylate, 13 parts of acrylonitrile, 450 parts of water, 2.2 parts of sodium peroxydisulfate, oxidation-reduction initiator body
Be 2.2 parts, 4 parts of pH adjusting agent, 1 part of emulsifier and 1 part of chlormethylisothiazo,ine ketone, wherein oxidation-reduction initiator system by
1 part and 1.2 parts oxidant compositions of inorganic reducing agent, oxidant is tert-butyl hydroperoxide, and inorganic reducing agent is sodium hydrogensulfite.
The preparation method of plasticity acrylic emulsion is identical as the plasticity acrylic emulsion preparation method in embodiment 1.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (8)
1. a kind of high damping properties damping paint, which is characterized in that in parts by weight, including following raw material：Styrene-acrylic emulsion
145~155 parts, 45~55 parts of antirust emulsion, 70~80 parts of plasticity acrylic emulsion, 170~180 parts of pure-acrylic emulsion, film forming
585~615 parts of 13~17 parts of auxiliary agent, 185~215 parts of fire retardant and functional stuffing；According to the number of parts by weight, the plasticity
Acrylic emulsion includes following raw material：
150~170 parts of butyl acrylate, 90~110 parts of styrene, 35~45 parts of methyl methacrylate, acrylic acid α-ethyl
112~122 parts of own ester, 10~14 parts of methacrylic acid, 8~11 parts of ammonium acrylate, 13~17 parts of acrylonitrile, water 390~450
Part, 1.2~2.2 parts of thermal decomposition initiating, 1.4~2.2 parts of oxidation-reduction initiator system, 3~4 parts of pH adjusting agent, fungicide
1~2 part with 0.5~1 part of emulsifier, wherein the oxidation-reduction initiator system is by 0.6~1 part of inorganic reducing agent and 0.8
~1.2 parts of oxidant compositions.
2. high damping properties damping paint according to claim 1, which is characterized in that the styrene-acrylic emulsion is according to parts by weight
Number calculates, including following raw material：
25~30 parts of seed emulsion, 395~405 parts of butyl acrylate, 348~354 parts of Isooctyl acrylate monomer, methyl methacrylate
205~215 parts of ester, 540~560 parts of styrene, 20~25 parts of acrylic acid, 4~7 parts of emulsifier, acrylic compounds function monomer 20
~25 parts, 4.5~6.5 parts of thermal decomposition initiating, 1.3~1.9 parts of oxidation-reduction initiator system, sodium dithionite 0.8~
768~867 parts of 1.0 parts, 0.020~0.025 part of accelerating agent, 16~20 parts of pH adjusting agent, 3~5 parts of fungicide and water, wherein
The oxidation-reduction initiator system is made of 0.85~1.15 part and 0.45~0.75 part oxidant of inorganic reducing agent.
3. high damping properties damping paint according to claim 2, which is characterized in that the solid content of the seed emulsion is
48~52%, it is made of methyl methacrylate, Isooctyl acrylate monomer and acrylic acid, the accelerating agent is ferrous sulfate.
4. high damping properties damping paint according to claim 2, which is characterized in that the thermal decomposition initiating is over cure
Sour ammonium, potassium peroxydisulfate, sodium peroxydisulfate or hydrogen peroxide, oxidant are tert-butyl hydroperoxide, and inorganic reducing agent is different anti-bad
Hematic acid and formaldehyde time close one or two kinds of in niter cake.
5. high damping properties damping paint according to claim 1, which is characterized in that the thermal decomposition initiating is over cure
Sour ammonium, potassium peroxydisulfate, sodium peroxydisulfate or hydrogen peroxide, oxidant are tert-butyl hydroperoxide, and inorganic reducing agent is sulfurous acid
Sodium, sodium hydrogensulfite, sodium pyrosulfite, 2-hydroxy-2-propane-sulfonic acid sodium salt, ferrous sulfate or formaldehyde time close niter cake.
6. high damping properties damping paint according to claim 1 or 2, which is characterized in that the functional stuffing is thick sea
The mixture of afrodite, mica powder, floating bead, talcum powder, coarse whiting and Cab-O-sil, wherein 70~80 parts of thick sepiolite, mica powder 70~
145~155 parts of 80 parts, 45~55 parts of floating bead, 70~80 parts of talcum powder, 23~27 parts of coarse whiting and Cab-O-sil.
7. high damping properties damping paint according to claim 1 or 2, which is characterized in that the fire retardant joins for ten bromines
The mixture of phenylate, antimony oxide and melamine, wherein 75~85 parts of decabromodiphenyl oxide, 75~85 parts of antimony oxide with
35~45 parts of melamine.
8. high damping properties damping paint according to claim 1, which is characterized in that further include 23~27 portions of preservatives with
4~6 parts of black slurries.
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| CN107022252A (en) * | 2017-04-24 | 2017-08-08 | 盐城市天意密封材料有限公司 | A kind of environment protection type heat insulating damping paint |
| CN107418324A (en) * | 2017-08-03 | 2017-12-01 | 合肥泓定科技有限公司 | Fire resistance high resistant damping paint and preparation method thereof |
| CN108912925A (en) * | 2018-05-29 | 2018-11-30 | 芜湖市元奎新材料科技有限公司 | engine damping paint |
| CN116120800B (en) * | 2023-02-21 | 2023-10-20 | 中国人民解放军陆军工程大学 | Low-temperature-resistant water-based damping coating and preparation method thereof |
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| CN101891990B (en) * | 2010-07-22 | 2012-08-01 | 株洲时代新材料科技股份有限公司 | Water-based sound-proof damping coating and preparation method thereof |
| CN103980789B (en) * | 2014-05-30 | 2016-02-24 | 北京化工大学常州先进材料研究院 | A kind of passenger car damping noise reduction aqueous damping coating and preparation method thereof |
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