CN109054345A - A kind of preparation method of the embedded composite damping material of high temperature resistant - Google Patents
A kind of preparation method of the embedded composite damping material of high temperature resistant Download PDFInfo
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- CN109054345A CN109054345A CN201810795694.0A CN201810795694A CN109054345A CN 109054345 A CN109054345 A CN 109054345A CN 201810795694 A CN201810795694 A CN 201810795694A CN 109054345 A CN109054345 A CN 109054345A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- 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
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- 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
- C08L2205/06—Polymer mixtures characterised by other features having improved processability or containing aids for moulding methods
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- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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Abstract
The present invention relates to a kind of preparation methods of the embedded composite damping material of high temperature resistant, belong to field of rubber technology.The present invention mixes polyurethane with deionized water, obtains polyaminoester emulsion, and vinal is added in polyaminoester emulsion, stirs to obtain reinforcing material；Graphene powder and deionized water are mixed, ultrasonic disperse, obtains dispersion liquid, weighs dispersion liquid, DOP, neopelex, methyl silicon resin, potassium persulfate respectively, neopelex, methyl silicon resin and DOP are added in dispersion liquid, multiple emulsion is reacted to obtain；Multiple emulsion, acrylic rubber and reinforcing material are kneaded uniform, in a nitrogen atmosphere, N is added, accelerine and sulphur, it is stirred to react, obtains reaction mixture, and quickly pour into reaction mixture in the mold of polytetrafluoroethylene (PTFE), the embedded composite damping material of high temperature resistant is demoulded to obtain, the present invention has superior adhesive property, mechanical property, high temperature resistant, ageing-resistant performance.
Description
Technical field
The present invention relates to a kind of preparation methods of the embedded composite damping material of high temperature resistant, belong to field of rubber technology.
Background technique
Embedded co-curing composite material damping structure is by matrix phase (such as resin), reinforced phase (such as glass fibre) and to glue
A kind of elastic damping material (such as rubber) three-phase multiphase complex solid structure made of either physically or chemically has than strong
The advantages that degree is high, specific modulus is big, ageing-resistant and damping characteristic is excellent, the application in fields such as space flight and aviation, automobile, sport are wide
It is general.As the use condition of aviation vehicle, composite building material, high-precision meter disk etc. is more extreme, to the performance of ECCDS
It is required that it is also more harsh, since ECCDS has designability, including visco-elastic damping material, fiber and basis material type, choosing
Select the geometric dimension etc. of fiber content and paving mode and visco-elastic damping layer, these for ECCDS mechanical properties improve and
Extreme use environment provides possibility.Currently, the research of ECCDS be largely focused on low temperature, in mild high temperature use ring
Border.
Currently, embedded co-curing composite material damping structure is to utilize the designability of composite materials property by three
Kind material of different nature, a kind of multiphase solid being combined by method physically or chemically through artificial or modern crafts.
It is analyzed from its Nomenclature Composition and Structure of Complexes, wherein there is a phase to be substantially continuously known as matrix mutually such as resin in layer, and it is another
It is mutually dispersed in matrix, is known as reinforced phase such as carbon fiber by what matrix was contained, is isotropic viscoplasticity there are also a phase
Damping material.Its matrix phase, reinforced phase and visco-elastic damping material play coordinative role in performance, significantly mention to reach
The purpose of high composite element damping, obtains the comprehensive mechanical property that homogenous material hardly matches.With traditional damping structure
It is embedded in inside basis material compared to this prior impedance bundary form, has many advantages, such as not fall off, is anti-aging, navigating
The high-tech areas such as sky, space flight, bullet train have a wide range of applications.However the high temperature resistance of this material is as one
It is a it is important consider its application range of Index Influence, the embedded co-curing damping of highest solidification temperature (180 DEG C) is compound at present
Materials'use temperature is at best able to reach 150 DEG C, under more high environment temperature, damping material by quick aging, cause intensity and
Coating combination performance declines rapidly, leads to embedded co-curing damp composite material structural failure.Conventional damping material is first solid
Vibration and noise reducing effect has been connect after chemical conversion viscoelastic body with vibration position, but common damping material has been solid state, for
The application environments such as the filling after having protection shell in collet are not applicable.Therefore, developing one kind can be in mold
Interior form, after sufficiently solidify long-term high temperature resistant and with the damping material compared with the high-damping factor to meeting certain Special Forces
Environmental demand is very necessary, and this damping material must application with higher and market value.
Summary of the invention
The technical problems to be solved by the invention: under the high temperature conditions for ECCDS, damping material causes quick aging
It the problem of making intensity and Coating combination performance decline rapidly, lead to embedded co-curing damp composite material structural failure, provides
A kind of preparation method of the embedded composite damping material of high temperature resistant.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
(1) in mass ratio 1: 5 polyurethane is mixed with deionized water, is dispersed with stirring, obtains polyaminoester emulsion, by vinal
It is added in polyaminoester emulsion, continues 30~40min of stirring, obtain reinforcing material；
(2) according to parts by weight, weigh respectively 30~50 parts of dispersion liquids, 8~12 parts of DOP, 2~9 parts of neopelexes,
20~26 parts of methyl silicon resins, 4~8 parts of potassium persulfates, neopelex, methyl silicon resin and DOP are added to
In dispersion liquid, 20~25min of ultrasound is slowly added to potassium persulfate in a nitrogen atmosphere, and agitation grinding obtains multiple emulsion；
(3) according to parts by weight, 20~30 parts of multiple emulsions, 15~19 parts of reinforcing materials, 18~25 parts of acrylic acid are weighed respectively
Ester rubber, 1~4 part of promotor, 3~5 parts of vulcanizing agents, uniformly by the mixing of multiple emulsion, acrylic rubber and reinforcing material,
Under nitrogen atmosphere, promotor and vulcanizing agent is added, after being stirred to react 1~2h at being 80~100 DEG C in temperature, mixing must be reacted
Object, and quickly pouring into reaction mixture in the mold of polytetrafluoroethylene (PTFE), in the case where temperature is 60~70 DEG C, the reaction was continued 6~8h
Afterwards, it demoulds, obtains the embedded composite damping material of high temperature resistant.
It is dispersed with stirring described in step (1) to be 600~700r/min in revolving speed, temperature is to be dispersed with stirring at 40~50 DEG C
20~30min.
Vinal described in step (1) and polyaminoester emulsion in mass ratio 1: 3 mix.
Dispersion liquid described in step (2) mixes graphene powder and deionized water in mass ratio 1: 15, ultrasonic disperse
15~20min.
Agitation grinding described in step (2) be 80~100 DEG C in temperature at 4~6h of agitation grinding.
6. a kind of preparation method of the embedded composite damping material of high temperature resistant according to claim 1, feature exist
In: promotor described in step (3) is N, accelerine.
Vulcanizing agent described in step (3) is sulphur.
The present invention is compared with other methods, and advantageous effects are:
(1) the embedded composite damping material of high temperature resistant prepared by the present invention is mixed with vinal and aqueous polyurethane
As reinforcing material, graphene modified methyl silicone resin is matrix phase, and acrylic rubber is visco-elastic damping material, obtained
Composite damping material has superior adhesive property, mechanical property, high temperature resistant, ageing-resistant performance, and vinal has very
Good mechanical performance, intensity is high, modulus is high, elongation is low, and resistance to acid and alkali, chemical proof are strong, and light resistance, corrosion resistance are good
Good, vinal good dispersion, adhesion, good with the compatibilities such as cement, plastics, adhesive strength is high, to human body and environment
Nontoxic, polyurethane has high resiliency, good flexibility, higher elasticity modulus and excellent wear-resisting property, will gather
Urethane and vinal mixing, in the C=O and vinal in polyurethane-OH between hydrogen bond reciprocation,
Make polyurethane and vinal that there is good compatibility, contains great amount of hydroxy group in vinal, hydrone and multiple
Condensation material forms a large amount of hydrogen bond action, as hydrone is gradually spread to inner layer from vinal appearance, composite material
Volume expansion, so that the mechanical strength of composite material improves；
(2) present invention utilizes graphene modified methyl silicone resin by being blended, and improves the glass transition temperature of methyl silicon resin, stone
Black alkene has excellent mechanical property and hot property, and graphene is made to impart the excellent heating conduction of methyl silicon resin, acrylic acid
Ester rubber has superior adhesive property, mechanical property, high temperature resistant, ageing-resistant performance.
Specific embodiment
In mass ratio 1: 5 mixes polyurethane with deionized water, is 600~700r/min in revolving speed, temperature is 40~50
It is dispersed with stirring 20~30min at DEG C, obtains polyaminoester emulsion, vinal is added to polyaminoester emulsion by mass ratio 1: 3
In, continue 30~40min of stirring, obtains reinforcing material；In mass ratio 1: 15 mixes graphene powder and deionized water, ultrasound point
15~20min is dissipated, dispersion liquid is obtained, according to parts by weight, weighs 30~50 parts of dispersion liquids, 8~12 parts of DOP, 2~9 part ten respectively
Dialkyl benzene sulfonic acids sodium, 20~26 parts of methyl silicon resins, 4~8 parts of potassium persulfates, by neopelex, methyl silicon
Resin and DOP are added in dispersion liquid, and 20~25min of ultrasound is slowly added to potassium persulfate in a nitrogen atmosphere, in temperature
It is 4~6h of agitation grinding at 80~100 DEG C, obtains multiple emulsion；According to parts by weight, weigh respectively 20~30 parts of multiple emulsions,
15~19 parts of reinforcing materials, 18~25 parts of acrylic rubber, 1~4 part of n,N-Dimethylaniline, 3~5 parts of sulphur, will be compound
Lotion, acrylic rubber and reinforcing material are kneaded uniformly, in a nitrogen atmosphere, n,N-Dimethylaniline and sulphur are added,
Temperature is after being stirred to react 1~2h at 80~100 DEG C, to obtain reaction mixture, and reaction mixture is quickly poured into polytetrafluoroethyl-ne
In the mold of alkene, in the case where temperature is 60~70 DEG C, after the reaction was continued 6~8h, demoulding obtains the embedded composite damping material of high temperature resistant
Material.
In mass ratio 1: 5 mixes polyurethane with deionized water, is 600r/min in revolving speed, temperature is stirring point at 40 DEG C
20min is dissipated, obtains polyaminoester emulsion, in mass ratio 1: 3 is added to vinal in polyaminoester emulsion, continues to stir
30min obtains reinforcing material；In mass ratio 1: 15 mixes graphene powder and deionized water, and ultrasonic disperse 15min must disperse
Liquid, according to parts by weight, weigh respectively 30 parts of dispersion liquids, 8 parts of DOP, 2 parts of neopelexes, 20 parts of methyl silicon resins,
4 parts of potassium persulfates, neopelex, methyl silicon resin and DOP are added in dispersion liquid, ultrasonic 20min, in nitrogen
Under gas atmosphere, it is slowly added to potassium persulfate, agitation grinding 4h at being 80 DEG C in temperature obtains multiple emulsion；According to parts by weight,
20 parts of multiple emulsions, 15 parts of reinforcing materials, 18 parts of acrylic rubber, 1 part of n,N-Dimethylaniline, 3 parts of sulphur are weighed respectively,
Multiple emulsion, acrylic rubber and reinforcing material are kneaded uniformly, in a nitrogen atmosphere, n,N-Dimethylaniline and sulphur is added
Sulphur obtains reaction mixture, and reaction mixture is quickly poured into polytetrafluoroethylene (PTFE) after being stirred to react 1h at being 80 DEG C in temperature
In mold, in the case where temperature is 60 DEG C, after the reaction was continued 6h, demoulding obtains the embedded composite damping material of high temperature resistant.
In mass ratio 1: 5 mixes polyurethane with deionized water, is 650r/min in revolving speed, temperature is stirring point at 45 DEG C
25min is dissipated, obtains polyaminoester emulsion, in mass ratio 1: 3 is added to vinal in polyaminoester emulsion, continues to stir
35min obtains reinforcing material；In mass ratio 1: 15 mixes graphene powder and deionized water, and ultrasonic disperse 17min must disperse
Liquid weighs 40 parts of dispersion liquids, 10 parts of DOP, 5 parts of neopelexes, 23 parts of methyl silicon trees according to parts by weight respectively
Rouge, 6 parts of potassium persulfates, neopelex, methyl silicon resin and DOP are added in dispersion liquid, ultrasonic 23min,
In a nitrogen atmosphere, it is slowly added to potassium persulfate, agitation grinding 5h at being 90 DEG C in temperature obtains multiple emulsion；By weight
Number meter, weighs 25 parts of multiple emulsions, 17 parts of reinforcing materials, 21 parts of acrylic rubber, 3 parts of n,N-Dimethylaniline, 4 parts respectively
Multiple emulsion, acrylic rubber and reinforcing material are kneaded uniformly by sulphur, in a nitrogen atmosphere, N, N- dimethyl benzene are added
Amine and sulphur obtain reaction mixture, and reaction mixture is quickly poured into polytetrafluoro after being stirred to react 1h at being 90 DEG C in temperature
In the mold of ethylene, in the case where temperature is 65 DEG C, after the reaction was continued 7h, demoulding obtains the embedded composite damping material of high temperature resistant.
In mass ratio 1: 5 mixes polyurethane with deionized water, is 700r/min in revolving speed, temperature is stirring point at 50 DEG C
30min is dissipated, obtains polyaminoester emulsion, in mass ratio 1: 3 is added to vinal in polyaminoester emulsion, continues to stir
40min obtains reinforcing material；In mass ratio 1: 15 mixes graphene powder and deionized water, and ultrasonic disperse 20min must disperse
Liquid weighs 50 parts of dispersion liquids, 12 parts of DOP, 9 parts of neopelexes, 26 parts of methyl silicon trees according to parts by weight respectively
Rouge, 8 parts of potassium persulfates, neopelex, methyl silicon resin and DOP are added in dispersion liquid, ultrasonic 25min,
In a nitrogen atmosphere, it is slowly added to potassium persulfate, agitation grinding 6h at being 100 DEG C in temperature obtains multiple emulsion；By weight
Number meter, weighs 30 parts of multiple emulsions, 19 parts of reinforcing materials, 25 parts of acrylic rubber, 4 parts of n,N-Dimethylaniline, 5 parts respectively
Multiple emulsion, acrylic rubber and reinforcing material are kneaded uniformly by sulphur, in a nitrogen atmosphere, N, N- dimethyl benzene are added
Amine and sulphur obtain reaction mixture, and reaction mixture is quickly poured into poly- four after being stirred to react 2h at being 100 DEG C in temperature
In the mold of vinyl fluoride, in the case where temperature is 70 DEG C, after the reaction was continued 8h, demoulding obtains the embedded composite damping material of high temperature resistant.
The common damping material that the embedded composite damping material of high temperature resistant prepared by the present invention and Guangzhou company are produced
It is detected, specific testing result such as following table table 1:
Detection method:
The embedded composite damping material of the high temperature resistant that above embodiments are prepared GB/T18258-2000 according to national standards
It is tested for the property.
The embedded composite damping material performance characterization of 1 high temperature resistant of table
The embedded composite damping material of high temperature resistant prepared by the present invention as shown in Table 1, excellent in mechanical performance, heat resisting temperature is high, tool
There are wide market value and application prospect.
Claims (7)
1. a kind of preparation method of the embedded composite damping material of high temperature resistant, it is characterised in that specific steps are as follows:
(1) in mass ratio 1: 5 polyurethane is mixed with deionized water, is dispersed with stirring, obtains polyaminoester emulsion, by vinal
It is added in polyaminoester emulsion, continues 30~40min of stirring, obtain reinforcing material；
(2) according to parts by weight, weigh respectively 30~50 parts of dispersion liquids, 8~12 parts of DOP, 2~9 parts of neopelexes,
20~26 parts of methyl silicon resins, 4~8 parts of potassium persulfates, neopelex, methyl silicon resin and DOP are added to
In dispersion liquid, 20~25min of ultrasound is slowly added to potassium persulfate in a nitrogen atmosphere, and agitation grinding obtains multiple emulsion；
(3) according to parts by weight, 20~30 parts of multiple emulsions, 15~19 parts of reinforcing materials, 18~25 parts of acrylic acid are weighed respectively
Ester rubber, 1~4 part of promotor, 3~5 parts of vulcanizing agents, uniformly by the mixing of multiple emulsion, acrylic rubber and reinforcing material,
Under nitrogen atmosphere, promotor and vulcanizing agent is added, after being stirred to react 1~2h at being 80~100 DEG C in temperature, mixing must be reacted
Object, and quickly pouring into reaction mixture in the mold of polytetrafluoroethylene (PTFE), in the case where temperature is 60~70 DEG C, the reaction was continued 6~8h
Afterwards, it demoulds, obtains the embedded composite damping material of high temperature resistant.
2. a kind of preparation method of the embedded composite damping material of high temperature resistant according to claim 1, it is characterised in that: step
Suddenly it is dispersed with stirring described in (1) to be 600~700r/min in revolving speed, temperature is to be dispersed with stirring 20~30min at 40~50 DEG C.
3. a kind of preparation method of the embedded composite damping material of high temperature resistant according to claim 1, it is characterised in that: step
Suddenly vinal described in (1) and polyaminoester emulsion in mass ratio 1: 3 mix.
4. a kind of preparation method of the embedded composite damping material of high temperature resistant according to claim 1, it is characterised in that: step
Suddenly dispersion liquid described in (2) mixes graphene powder and deionized water in mass ratio 1: 15,15~20min of ultrasonic disperse.
5. a kind of preparation method of the embedded composite damping material of high temperature resistant according to claim 1, it is characterised in that: step
Suddenly agitation grinding described in (2) be 80~100 DEG C in temperature at 4~6h of agitation grinding.
6. a kind of preparation method of the embedded composite damping material of high temperature resistant according to claim 1, it is characterised in that: step
Suddenly promotor described in (3) is N, accelerine.
7. a kind of preparation method of the embedded composite damping material of high temperature resistant according to claim 1, it is characterised in that: step
Suddenly vulcanizing agent described in (3) is sulphur.
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| CN201810795694.0A CN109054345A (en) | 2018-07-19 | 2018-07-19 | A kind of preparation method of the embedded composite damping material of high temperature resistant |
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| CN201810795694.0A CN109054345A (en) | 2018-07-19 | 2018-07-19 | A kind of preparation method of the embedded composite damping material of high temperature resistant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111704794A (en) * | 2020-06-29 | 2020-09-25 | 深圳市象形科技有限公司 | Anti-seismic barrier foam and preparation method thereof |
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| JP2008120928A (en) * | 2006-11-13 | 2008-05-29 | Kitagawa Ind Co Ltd | Damping material and damping device |
| CN102604239A (en) * | 2012-02-13 | 2012-07-25 | 青岛理工大学 | Embedded type high-temperature co-curing high-damping composite material and preparation process thereof |
| CN106543500A (en) * | 2015-09-16 | 2017-03-29 | 国网智能电网研究院 | A kind of composite damping foam rubber material and preparation method thereof |
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2018
- 2018-07-19 CN CN201810795694.0A patent/CN109054345A/en active Pending
Patent Citations (4)
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| JPS56100836A (en) * | 1980-01-16 | 1981-08-13 | Nok Corp | Rubber material |
| JP2008120928A (en) * | 2006-11-13 | 2008-05-29 | Kitagawa Ind Co Ltd | Damping material and damping device |
| CN102604239A (en) * | 2012-02-13 | 2012-07-25 | 青岛理工大学 | Embedded type high-temperature co-curing high-damping composite material and preparation process thereof |
| CN106543500A (en) * | 2015-09-16 | 2017-03-29 | 国网智能电网研究院 | A kind of composite damping foam rubber material and preparation method thereof |
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| 张东兴等: "《聚合物基复合材料科学与工程》", 30 June 2017, 哈尔滨工程大学出版社 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111704794A (en) * | 2020-06-29 | 2020-09-25 | 深圳市象形科技有限公司 | Anti-seismic barrier foam and preparation method thereof |
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