CN106751727A - A kind of polyurethane vibration-absorptive material and preparation method thereof - Google Patents
A kind of polyurethane vibration-absorptive material and preparation method thereof Download PDFInfo
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- CN106751727A CN106751727A CN201611225743.4A CN201611225743A CN106751727A CN 106751727 A CN106751727 A CN 106751727A CN 201611225743 A CN201611225743 A CN 201611225743A CN 106751727 A CN106751727 A CN 106751727A
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond
- C08K5/5419—Silicon-containing compounds containing oxygen containing at least one Si—O bond containing at least one Si—C bond
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5425—Silicon-containing compounds containing oxygen containing at least one C=C bond
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76498—Pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76531—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76655—Location of control
- B29C2945/76658—Injection unit
- B29C2945/76688—Injection unit nozzle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76655—Location of control
- B29C2945/76732—Mould
-
- 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
Abstract
The present invention relates to a kind of polyurethane vibration-absorptive material and preparation method thereof, the preparation method of polyurethane vibration-absorptive material is comprised the following steps：After by shear thickening gel and compatilizer mixing uniformly, add into the polyurethane elastomer for kneading, continue to knead to uniform, obtain polyurethane vibration-absorptive material.The preparation method of above-mentioned polyurethane vibration-absorptive material, using conventional urethane elastomer formation method, process is simple is with low cost, and stable performance, technique is simple and efficient.Above-mentioned polyurethane vibration-absorptive material, shear thickening gel is when by percussion, spontaneously can be transformed into from softness hard, and energy absorption, so as to play protective action, polyurethane elastomer as structural matrix, when being acted on, polyurethane skeleton structure is played a supporting role, and is acted on simultaneously with filler and is played a part of damping, buffering.Temperature in use scope is not only expanded, damping energy absorption ability is also improved, shear thickening gel is dispersed in polyurethane matrix well by the method for adding compatilizer.
Description
Technical field
The present invention relates to vibration-absorptive material field, more particularly to a kind of polyurethane vibration-absorptive material and preparation method thereof.
Background technology
Damping, buffering material on the market relies primarily on elastic properties of materials deformation and compressibility material and is inhaled as energy now
Receive material.On the one hand, when this materials application is damping property in the shortcoming being primarily present in physical protection or precision instrument protection
Can be limited, when by severe impact, common protective materials fully can not effectively dissipate impact energy, still
Very strong impact force action is had on human body or equipment, personal injury or device damage can be caused.
On the other hand, the current rubber expanded material commonly used, the temperature in use of polyurethane foam material are limited in scope, no
Suitable for long-term applied at elevated temperature.The D3O products of such as Britain, matrix uses polyurethane, and temperature in use scope is -10 DEG C
~+80 DEG C, for physical protection, it is impossible to be used in temperature environment higher, such as engine, Long-term Vibration heat position.
The content of the invention
Based on this, it is necessary to which it is wide to provide a kind of temperature in use scope, the strong polyurethane vibration-absorptive material of damping energy absorption ability and
Its preparation method.
A kind of preparation method of polyurethane vibration-absorptive material, comprises the following steps：
Polyurethane elastomer is kneaded, the polyurethane elastomer for being kneaded；
Shear thickening gel and compatilizer mixing is uniform, obtain kneading uniform shear thickening gel and compatilizer；
The uniform shear thickening gel of mixing is added into the polyurethane elastomer for kneading with compatilizer,
Continue to knead to uniform, obtain the polyurethane vibration-absorptive material.
Wherein in one embodiment, the mass fraction of the shear thickening gel and the mass fraction of the compatilizer
Ratio is 100:0.1~5.
Wherein in one embodiment, the mass fraction of the uniform shear thickening gel of the mixing and compatilizer with it is described
The ratio of the mass fraction of the polyurethane elastomer for kneading is 1~40:100.
Wherein in one embodiment, the compatilizer be dimethyl silicone polymer-polyethylene glycol, poly glycidyl ester,
Divinyl tetramethyl disiloxane, vinyl triethoxyl siloxanes, vinyl trichlorosilane, (the beta-methoxy second of vinyl three
Epoxide) silane, γ-glycidylpropyl-trimethoxy silane, γ-methacryloxypropyl-trimethoxy silane, N-
(β-aminoethyl)-γ-aminopropyl-Methyl-trimethoxy silane, γ-chloropropyl-trimethoxy silicon, γ-mercapto propyl group-trimethoxy
At least one in base silane and N- (β-aminoethyl)-γ-aminopropyl-trimethoxy silane.
Wherein in one embodiment, it is described the step of polyurethane elastomer is kneaded in, the temperature of mixing is 180
DEG C~210 DEG C, the time of mixing is 3min~10min.
Wherein in one embodiment, during shear thickening gel and compatilizer kneaded into uniform step, the temperature of mixing
It it is 70 DEG C~120 DEG C, the time of mixing is 2min~5min.
Wherein in one embodiment, the uniform shear thickening gel of mixing is added to the mixing with compatilizer
In good polyurethane elastomer, continue to knead into uniform step, the temperature of mixing is 170 DEG C~200 DEG C, the time of mixing
It is 3min~10min.
Wherein in one embodiment, the uniform shear thickening gel of mixing is added to the mixing with compatilizer
In good polyurethane elastomer, continue to knead to uniform step, also comprise the following steps：
After adding vulcanizing agent cumyl peroxide, mixing uniform toward product of the mixing after uniform, slice obtains glue
Material, place 24h~72h after, the sizing material is placed in compression molding agent and is vulcanized, temperature be 190 DEG C~210 DEG C, pressure
It is 5MPa~20MPa, time 5min~10min.
Wherein in one embodiment, the uniform shear thickening gel of mixing is added to the mixing with compatilizer
In good polyurethane elastomer, continue to knead to uniform step, also comprise the following steps：
Product extruding pelletization, the then injection moulding on injection machine by pellet, spray on extruder after kneading uniformly
Mouth temperature is 170 DEG C~200 DEG C, injection pressure 30MPa~80MPa, dwell time 30s~120s, mold temperature 40 DEG C~80
℃。
Additionally, also providing the polyurethane damping material that a kind of preparation method using above-mentioned polyurethane vibration-absorptive material is prepared
Material.
The preparation method of above-mentioned polyurethane vibration-absorptive material, using conventional urethane elastomer formation method, process is simple, into
This is cheap, and stable performance, technique is simple and efficient, and the polyurethane vibration-absorptive material for obtaining has excellent heat-resisting quantity.
Above-mentioned polyurethane vibration-absorptive material, using shear thickening gel as filler, polyurethane elastomer increases as matrix, shearing
Thick gel can spontaneously be transformed into hard, energy absorption during being somebody's turn to do, so that effectively when by percussion from softness
Protective action is played, used as structural matrix, when being acted on, polyurethane skeleton structure plays certain branch to polyurethane elastomer
Support is acted on, and is acted on simultaneously with filler and is played a part of damping, buffering.Temperature in use scope is not only expanded, damping is also improve
Energy absorption ability, also makes shear thickening gel be dispersed in polyurethane matrix well by adding the method for compatilizer.
Brief description of the drawings
Fig. 1 is the flow chart of the preparation method of the polyurethane vibration-absorptive material of an implementation method.
Specific embodiment
To enable the above objects, features and advantages of the present invention more obvious understandable, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.Elaborate many details in order to fully understand this hair in the following description
It is bright.But the present invention can be implemented with being much different from other manner described here, and those skilled in the art can be not
Similar improvement is done in the case of running counter to intension of the present invention, therefore the present invention is not limited by following public specific implementation.
As shown in figure 1, the preparation method of the polyurethane vibration-absorptive material of an implementation method, comprises the following steps：
S10, polyurethane elastomer is kneaded, the polyurethane elastomer for being kneaded.
Wherein, in the step of polyurethane elastomer being kneaded, the temperature of mixing can be 180 DEG C~210 DEG C, mixing
Time can be 3min~10min.
It is S20, shear thickening gel and compatilizer mixing is uniform, obtain kneading uniform shear thickening gel with it is compatible
Agent.
Wherein, compatilizer can be dimethyl silicone polymer-polyethylene glycol, poly glycidyl ester, divinyl tetramethyl
Disiloxane, vinyl triethoxyl siloxanes, vinyl trichlorosilane, vinyl three (beta-methoxy ethyoxyl) silane, γ-contracting
Water glycerine propyl-trimethoxysilane, γ-methacryloxypropyl-trimethoxy silane, N- (β-aminoethyl)-γ-ammonia
Propyl-methyl-trimethoxy silane, γ-chloropropyl-trimethoxy silicon, γ-mercapto propyl-trimethoxysilane, N- (β-ammonia second
Base) at least one in-γ-aminopropyl-trimethoxy silane.
By in shear thickening gel and the uniform step of compatilizer mixing, the temperature of mixing can be 70 DEG C~120 DEG C, mix
The time of refining can be 2min~5min.
Wherein, the ratio of the mass fraction of the mass fraction of shear thickening gel and compatilizer can be 100:0.1~5.
S30, the uniform shear thickening gel of mixing is added into the polyurethane elastomer for kneading with compatilizer, continuation
Mixing obtains polyurethane vibration-absorptive material to uniform.
Uniform shear thickening gel will be kneaded to be added into the polyurethane elastomer for kneading with compatilizer, continue to knead
Into uniform step, the temperature of mixing can be 170 DEG C~200 DEG C, and the time of mixing can be 3min~10min.
Wherein, the mass fraction and the polyurethane elastomer for kneading of uniform shear thickening gel and compatilizer are kneaded
The ratio of mass fraction can be 1~40:100.
Wherein in one embodiment, also comprise the following steps after S30：
After adding vulcanizing agent cumyl peroxide (DCP), mixing uniform toward product of the mixing after uniform, slice is obtained
To sizing material, after placing 24h~72h, sizing material being placed in compression molding agent and is vulcanized, temperature is 190 DEG C~210 DEG C, pressure
It is 5MPa~20MPa, time 5min~10min.
In another embodiment, also comprise the following steps after S30：
Product extruding pelletization, the then injection moulding on injection machine by pellet, spray on extruder after kneading uniformly
Mouth temperature is 170 DEG C~200 DEG C, injection pressure 30MPa~80MPa, dwell time 30s~120s, mold temperature 40 DEG C~80
℃。
Additionally, also providing the polyurethane damping material that a kind of preparation method using above-mentioned polyurethane vibration-absorptive material is prepared
Material.
Above-mentioned polyurethane vibration-absorptive material, polyurethane elastomer has good mechanical property, tensile strength, tear-resistant intensity
Height, is provided simultaneously with corrosion resistance, ageing-resistant performance.Shear thickening gel temperature in use scope is wide.Using shear thickening gel as
Filler, polyurethane elastomer, by adding certain compatilizer, prepares the damping protection material of shock-absorbing capacity high as matrix
Material.Show as more soft gel under shear thickening gel normal state, but state when by percussion can be spontaneous
Ground is transformed into hard, energy absorption during being somebody's turn to do, so as to effectively act as protective action, polyurethane elastomer conduct from softness
Structural matrix, when being acted on, polyurethane skeleton structure plays certain supporting role, is acted on simultaneously with filler and plays damping
The effect of buffering.Temperature in use scope is not only expanded, can be used at a temperature of less than or equal to 150 DEG C, also improve
Damping energy absorption ability, increases by 20% cushioning ability than polyurethane elastomer material, also makes shearing by adding the method for compatilizer
Thickened gel is dispersed in polyurethane matrix well, improves the performance of polyurethane vibration-absorptive material.
The preparation method of above-mentioned polyurethane vibration-absorptive material, using conventional urethane elastomer formation method, process is simple, into
This is cheap, and stable performance, technique is simple and efficient, and the polyurethane vibration-absorptive material for obtaining has excellent heat-resisting quantity and damping property
Energy.
Below with reference to specific embodiment, further to the preparation method of the polyurethane vibration-absorptive material of embodiment of the present invention
Illustrate.
Embodiment 1
Polyurethane elastomer is kneaded, melting temperature is 190 DEG C, and mixing time is 5min, what is kneaded is poly-
Urethane elastomer.
Then 100 parts of shear thickening gels are kneaded on a mill with 0.1 part of dimethyl silicone polymer-polyethylene glycol,
Melting temperature is 100 DEG C, and mixing time is 2min.
Uniform 20 parts of shear thickening gels will be kneaded to be added to the 100 parts of polyurethane elastomers for kneading with compatilizer
In, continuing to knead, melting temperature is 190 DEG C, and mixing time is 6min.Vulcanizing agent DCP is added after mixing is uniform, is kneaded afterwards
A period of time slice.Sizing material is placed in compression molding agent after 24h is vulcanized, temperature is 190 DEG C, and pressure is 10MPa, time
7min.Obtain final samples piece.
Embodiment 2
Polyurethane elastomer is kneaded, melting temperature is 200 DEG C, and mixing time is 3min, what is kneaded is poly-
Urethane elastomer.
Then 100 parts of shear thickening gels are kneaded on a mill with 0.5 part of divinyl tetramethyl disiloxane, is mixed
Refining temperature is 80 DEG C, and mixing time is 5min.
Uniform 20 parts of shear thickening gels will be kneaded to be added to the 100 parts of polyurethane elastomers for kneading with compatilizer
In, continuing to knead, melting temperature is 180 DEG C, and mixing time is 8min.Then, the product after kneading uniformly is on extruder
Extruding pelletization.Then the injection moulding on injection machine by pellet, nozzle temperature is 190 DEG C, injection pressure 50MPa, dwell time
60s, 50 DEG C of mold temperature obtains final products.
Embodiment 3
Polyurethane elastomer is kneaded, melting temperature is 180 DEG C, and mixing time is 10min, what is kneaded is poly-
Urethane elastomer.
Then 100 parts of shear thickening gels are kneaded on a mill with 5 parts of vinyl triethoxyl siloxanes, mixing temperature
It is 70 DEG C to spend, and mixing time is 5min.
Uniform 40 parts of shear thickening gels will be kneaded to be added to the 100 parts of polyurethane elastomers for kneading with compatilizer
In, continuing to knead, melting temperature is 170 DEG C, and mixing time is 10min.Then, the product after kneading uniformly is on extruder
Extruding pelletization.Then the injection moulding on injection machine by pellet, nozzle temperature is 200 DEG C, injection pressure 80MPa, dwell time
30s, 40 DEG C of mold temperature obtains final products.
Embodiment 4
Polyurethane elastomer is kneaded, melting temperature is 210 DEG C, and mixing time is 3min, what is kneaded is poly-
Urethane elastomer.
Then 100 parts of shear thickening gels are kneaded on a mill with 5 parts of vinyl trichlorosilanes, melting temperature is
120 DEG C, mixing time is 2min.
Uniform 1 part of shear thickening gel will be kneaded to be added into the 100 parts of polyurethane elastomers for kneading with compatilizer,
Continue to knead, melting temperature is 200 DEG C, and mixing time is 3min.Then, the product after kneading uniformly is extruded on extruder
Granulation.Then the injection moulding on injection machine by pellet, nozzle temperature is 170 DEG C, injection pressure 30MPa, dwell time 120s,
80 DEG C of mold temperature obtains final products.
Embodiment 5
Polyurethane elastomer is kneaded, melting temperature is 210 DEG C, and mixing time is 3min, what is kneaded is poly-
Urethane elastomer.
Then 100 parts of shear thickening gels are kneaded on a mill with 5 parts of γ-chloropropyl-trimethoxy silicon, mixing temperature
It is 80 DEG C to spend, and mixing time is 3min.
Uniform 20 parts of shear thickening gels will be kneaded to be added to the 100 parts of polyurethane elastomers for kneading with compatilizer
In, continuing to knead, melting temperature is 190 DEG C, and mixing time is 6min.Vulcanizing agent DCP is added after mixing is uniform, is kneaded afterwards
A period of time slice.Sizing material is placed in compression molding agent after 72h is vulcanized, temperature is 210 DEG C, and pressure is 20MPa, time
10min.Obtain final samples piece.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Shield scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of preparation method of polyurethane vibration-absorptive material, it is characterised in that comprise the following steps：
Polyurethane elastomer is kneaded, the polyurethane elastomer for being kneaded；
Shear thickening gel and compatilizer mixing is uniform, obtain kneading uniform shear thickening gel and compatilizer；
The uniform shear thickening gel of mixing is added into the polyurethane elastomer for kneading with compatilizer, is continued
Mixing obtains the polyurethane vibration-absorptive material to uniform.
2. the preparation method of polyurethane vibration-absorptive material as claimed in claim 1, it is characterised in that the shear thickening gel
The ratio of the mass fraction of mass fraction and the compatilizer is 100:0.1~5.
3. the preparation method of polyurethane vibration-absorptive material as claimed in claim 1, it is characterised in that the mixing is uniformly sheared
Thickened gel is 1~40 with the ratio of the mass fraction of the polyurethane elastomer for kneading with the mass fraction of compatilizer:
100。
4. the preparation method of polyurethane vibration-absorptive material as claimed in claim 1, it is characterised in that the compatilizer is poly- diformazan
Radical siloxane-polyethylene glycol, poly glycidyl ester, divinyl tetramethyl disiloxane, vinyl triethoxyl siloxanes, second
Alkenyl trichlorosilane, vinyl three (beta-methoxy ethyoxyl) silane, γ-glycidylpropyl-trimethoxy silane, γ-methyl
Acryloxypropyl-trimethoxy silane, N- (β-aminoethyl)-γ-aminopropyl-Methyl-trimethoxy silane, γ-chlorine third
In base-trimethoxy silicon, γ-mercapto propyl-trimethoxysilane and N- (β-aminoethyl)-γ-aminopropyl-trimethoxy silane
It is at least one.
5. the preparation method of polyurethane vibration-absorptive material as claimed in claim 1, it is characterised in that described by polyurethane elastomer
In the step of being kneaded, the temperature of mixing is 180 DEG C~210 DEG C, and the time of mixing is 3min~10min.
6. the preparation method of polyurethane vibration-absorptive material as claimed in claim 1, it is characterised in that by shear thickening gel and phase
Hold in the uniform step of agent mixing, the temperature of mixing is 70 DEG C~120 DEG C, the time of mixing is 2min~5min.
7. the preparation method of polyurethane vibration-absorptive material as claimed in claim 1, it is characterised in that uniformly cut the mixing
Cut thickened gel to be added into the polyurethane elastomer for kneading with compatilizer, continue to knead into uniform step, mix
The temperature of refining is 170 DEG C~200 DEG C, and the time of mixing is 3min~10min.
8. the preparation method of polyurethane vibration-absorptive material as claimed in claim 1, it is characterised in that uniformly cut the mixing
Cut thickened gel to be added into the polyurethane elastomer for kneading with compatilizer, continue to knead to uniform step, also
Comprise the following steps：
After adding vulcanizing agent cumyl peroxide, mixing uniform toward product of the mixing after uniform, slice obtains sizing material, puts
After putting 24h~72h, the sizing material is placed in compression molding agent and is vulcanized, temperature is 190 DEG C~210 DEG C, and pressure is 5MPa
~20MPa, time 5min~10min.
9. the preparation method of polyurethane vibration-absorptive material as claimed in claim 1, it is characterised in that uniformly cut the mixing
Cut thickened gel to be added into the polyurethane elastomer for kneading with compatilizer, continue to knead to uniform step, also
Comprise the following steps：
To knead it is uniform after product on extruder extruding pelletization, the then injection moulding on injection machine by pellet, nozzle temperature
It is 170 DEG C~200 DEG C to spend, injection pressure 30MPa~80MPa, dwell time 30s~120s, 40 DEG C~80 DEG C of mold temperature.
10. a kind of preparation method using polyurethane vibration-absorptive material as claimed in any one of claims 1-9 wherein is prepared
Polyurethane vibration-absorptive material.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109181276A (en) * | 2018-08-13 | 2019-01-11 | 濮阳市恒信橡塑有限公司 | A kind of track resilient cushion and preparation method thereof |
| CN109280404A (en) * | 2018-10-31 | 2019-01-29 | 湖南御邦华安新材料科技有限公司 | Shock-absorbing composite material and its preparation method and application |
| CN109438666A (en) * | 2018-10-31 | 2019-03-08 | 湖南御邦华安新材料科技有限公司 | Low temperature resistant, anti-ballistic materials and its preparation method and application |
| CN109666219A (en) * | 2018-12-14 | 2019-04-23 | 万华化学集团股份有限公司 | Polypropylene/shear thickening gel complex material and its application in bumper |
| CN113265136A (en) * | 2020-01-30 | 2021-08-17 | 纳米及先进材料研发院有限公司 | Thermoplastic energy-absorbing composite material and preparation method thereof |
| CN116656117A (en) * | 2023-07-11 | 2023-08-29 | 扬州市天宇鞋业有限公司 | Intelligent toe-protecting elastomer toe cap material for safety shoes and preparation method thereof |
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| CN109438666A (en) * | 2018-10-31 | 2019-03-08 | 湖南御邦华安新材料科技有限公司 | Low temperature resistant, anti-ballistic materials and its preparation method and application |
| CN109666219A (en) * | 2018-12-14 | 2019-04-23 | 万华化学集团股份有限公司 | Polypropylene/shear thickening gel complex material and its application in bumper |
| CN113265136A (en) * | 2020-01-30 | 2021-08-17 | 纳米及先进材料研发院有限公司 | Thermoplastic energy-absorbing composite material and preparation method thereof |
| US11618819B2 (en) | 2020-01-30 | 2023-04-04 | Nano And Advanced Materials Institute Limited | Thermoplastic energy absorbing composites and methods of preparation thereof |
| CN116656117A (en) * | 2023-07-11 | 2023-08-29 | 扬州市天宇鞋业有限公司 | Intelligent toe-protecting elastomer toe cap material for safety shoes and preparation method thereof |
| CN116656117B (en) * | 2023-07-11 | 2023-11-14 | 扬州市天宇鞋业有限公司 | Intelligent toe-protecting elastomer toe cap material for safety shoes and preparation method thereof |
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