CN109280404A - Shock-absorbing composite material and its preparation method and application - Google Patents
Shock-absorbing composite material and its preparation method and application Download PDFInfo
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- CN109280404A CN109280404A CN201811287023.XA CN201811287023A CN109280404A CN 109280404 A CN109280404 A CN 109280404A CN 201811287023 A CN201811287023 A CN 201811287023A CN 109280404 A CN109280404 A CN 109280404A
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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
- C08L101/00—Compositions of unspecified macromolecular compounds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/3605—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by their material
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2224/00—Materials; Material properties
- F16F2224/02—Materials; Material properties solids
- F16F2224/025—Elastomers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2226/00—Manufacturing; Treatments
Abstract
The present invention relates to field of compound material, a kind of shock-absorbing composite material and its preparation method and application is disclosed.The raw material of the composite material contains thermoplastic elastomer TPR and shear thickening gel, and the mass parts of the thermoplastic elastomer TPR are 70-99 parts, and the mass parts of the shear thickening gel are 1-30 parts.The raw material of the composite material also contains plasticizer and compatilizer, and the mass parts of the plasticizer are 4-6 parts, and the mass parts of the compatilizer are 3-5 parts.The preparation method include: (1) by above-mentioned shear thickening gel and compatilizer 70-90 DEG C at a temperature of be uniformly mixed, obtain component A；(2) by above-mentioned thermoplastic elastomer TPR heating stirring to molten condition, plasticizer is added and stirs evenly, obtains B component；(3) component A is added in B component, keeps temperature to stir 5-15min, is then granulated while hot.The composite material that the present invention prepares has good impact resistance and cushioning ability, while having preferable cementability.
Description
Technical field
The present invention relates to field of compound material, and in particular to a kind of shock-absorbing composite material and its preparation method and application.
Background technique
With the rapid development of modern industry, noise and vibration have become every field development needed for face seriously ask
Topic.It will affect the quality of product, reduce the precision of operation, shorten the service life of product, while also polluting the environment, and influence surrounding
The life and health of crowd.Therefore, the technology of control vibration and noise is studied and grasps, it is great to be that various countries' industrial development is faced
Problem, and be the main solution for overcoming these problems using damper.
Damper material on the market is mostly rubber damping now, due to rubber have elasticity is good, quality is small, it is easy to install and
Quick detachable advantage is widely used in the vibration of vibration source generation etc. of industrial machinery, vehicle, office automation, household electrical appliance.So
And with the development of society, the rubber shock absorber on existing market has the limitation used in certain specific places, such as exist
Under high vibration, General Purpose Rubber subtracts device and then shows out of strength, or even exceeds its elastic range, to lose damping capacity.
Summary of the invention
The purpose of the invention is to overcome rubber absorbers of the existing technology to lose under conditions of high vibration to subtract
The problem of shake ability, provides a kind of shock-absorbing composite material, which has the advantages that low intrinsic frequency, low transport.
To achieve the goals above, one aspect of the present invention provides a kind of shock-absorbing composite material, the raw material of the composite material
Containing thermoplastic elastomer TPR and shear thickening gel, the mass parts of the thermoplastic elastomer TPR are 70-99 parts, and the shearing increases
The mass parts of thick gel are 1-30 parts.
Preferably, the mass parts of the thermoplastic elastomer TPR are 85-95 parts, and the mass parts of the shear thickening gel are
5-15 parts.
Preferably, the shear thickening gel is made by method comprising the following steps:
(1) 6-15 mass parts boric acid is added into 80-150 mass parts dimethyl silicone polymer and 5-20 mass parts is hollow micro-
Ball is 13-15KPa in pressure, and temperature is mixed 2-5h under conditions of being 150-180 DEG C, is added after being cooled to 50-100 DEG C
0.05-3 mass parts oleic acid and 3-12 mass parts silica, are made into base-material after being stirred 2-3h；
(2) base-material is mixed with dimethicone, the shear thickening gel, the dimethyl relative to every 100mL is made
Silicone oil, the dosage of base-material are 20-50g.
Preferably, the tiny balloon is selected from 3M hollow glass micro-ball and/or 3M hollow ceramic microspheres.
Preferably, the raw material of the composite material also contains plasticizer and compatilizer, and the mass parts of the plasticizer are 4-6
Part, the mass parts of the compatilizer are 3-5 parts.
Preferably, the plasticizer is phthalic acid two (2- ethyl hexyl) ester, repefral, O-phthalic
One of sour di-sec-octyl, diisononyl phthalate and diethyl phthalate are a variety of.
Preferably, the compatilizer is gamma-aminopropyl-triethoxy-silane, γ-(2,3- the third oxygen of epoxy) propyl trimethoxy
Base silane, γ-methacryloxypropyl trimethoxy silane and N- (β-aminoethyl)-γ-aminopropyltrimethoxysilane
One of or it is a variety of.
Second aspect of the present invention provides a kind of preparation method of shock-absorbing composite material, and the preparation method includes following step
It is rapid:
(1) 1-30 mass parts shear thickening gel and 1-6 mass parts compatilizer is equal in 80 ± 10 DEG C of at a temperature of mixing
It is even, obtain component A；
(2) 70-99 mass parts thermoplastic elastomer TPR is heated to 150 ± 10 DEG C, 3-10 is added in stirring to molten condition
Mass parts plasticizer stirs evenly, and obtains B component；
(3) component A being added in B component, holding temperature is 150 ± 10 DEG C of stirring 5-15min, and 150 ±
10 DEG C of granulations.
Third aspect present invention provides a kind of shock-absorbing composite material prepared by the above method.
Fourth aspect present invention provides a kind of application for preparing raw material of shock-absorbing composite material as damper.
Through the above technical solutions, can lead to the advantage that
(1) thermoplastic viscosity for being increased material by using plasticizer is conducive to raising material and is being molded into damping metal
During part with the concatenation ability of damping metalwork.
(2) the resistance performance and damping performance of material can be improved by adding shear thickening gel.
(3) tensile strength for the shock-absorbing composite material prepared using the present invention is greater than 8MPa, and elongation at break reaches
800%.
Specific embodiment
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
In a first aspect, the present invention provides a kind of shock-absorbing composite material, the raw material of the composite material contains thermoplastic elastomer
TPR and shear thickening gel, the mass parts of the thermoplastic elastomer TPR are 70-99 parts, the mass parts of the shear thickening gel
It is 1-30 parts.
Preferably, the mass parts of the thermoplastic elastomer TPR be 85-95 parts (such as 85 parts, 87 parts, 89 parts, 91 parts, 93 parts,
Arbitrary value between 95 parts or aforementioned value)；The mass parts of the shear thickening gel are 5-15 parts of (such as 5 parts, 7 parts, 9 parts, 11
Arbitrary value between part, 13 parts, 15 parts or aforementioned value).
The thermoplastic elastomer TPR can be commercially available, it is preferable that the thermoplastic elastomer TPR is purchased from Dong Guandong
Bright plastic cement Co., Ltd, product type DCYB001.
The shear thickening gel is self-control, it is preferable that the shear thickening gel passes through method comprising the following steps
It is made:
(1) 6-15 mass parts boric acid is added into 80-150 mass parts dimethyl silicone polymer and 5-20 mass parts is hollow micro-
Ball is 13-15KPa in pressure, and temperature is mixed 2-5h under conditions of being 150-180 DEG C, is added after being cooled to 50-100 DEG C
0.05-3 mass parts oleic acid and 3-12 mass parts silica, are made into base-material after being stirred 2-3h；
(2) base-material is mixed with dimethicone, the shear thickening gel, the dimethyl relative to every 100mL is made
Silicone oil, the dosage of base-material are 20-50g.
Preferably, the viscosity of the polydimethylsiloxane is 10cs-100cs；Preferably the polydimethylsiloxane of 10cs and
The mixture of the polydimethylsiloxane of 100cs.
Preferably, the mass ratio of 100cs polydimethylsiloxane and 10cs polydimethylsiloxane is 1 in the mixture:
0.2-1.2, preferably 1:0.4-0.9, further preferably 7:6.
Preferably, the tiny balloon is selected from 3M tiny balloon, and the 3M tiny balloon is selected from 3M hollow glass micro-ball
And/or 3M hollow ceramic microspheres.
Preferably, the partial size of the silica is 50-800nm, preferably 100-500nm.
Preferably, the raw material of the composite material also contains plasticizer and compatilizer, and the mass parts of the plasticizer are 4-6
Part (arbitrary value between such as 4 parts, 4.5 parts, 5 parts, 5.5 parts, 6 parts or aforementioned value)；The mass parts of the compatilizer are 3-5 parts
(arbitrary value between such as 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts or aforementioned value).
The plasticizer can be common plasticizer in polymer material molding and processing.Preferably, the plasticizer
It is that phthalic acid two (2- ethyl hexyl) ester, repefral, di-sec-octyl phthalate, phthalic acid two are different
One of nonyl ester and diethyl phthalate are a variety of.
The compatilizer can be common compatilizer in polymer material molding and processing.Preferably, the compatilizer
It is gamma-aminopropyl-triethoxy-silane, γ-(the third oxygen of 2,3- epoxy) propyl trimethoxy silicane, γ-methacryloxy third
One of base trimethoxy silane and N- (β-aminoethyl)-γ-aminopropyltrimethoxysilane are a variety of.
Second aspect, the present invention provide a kind of preparation method of shock-absorbing composite material, and the preparation method includes following step
It is rapid:
(1) 1-30 mass parts shear thickening gel and 1-6 mass parts compatilizer is equal in 80 ± 10 DEG C of at a temperature of mixing
It is even, obtain component A；
(2) 70-99 mass parts thermoplastic elastomer TPR is heated to 150 ± 10 DEG C, 3-10 is added in stirring to molten condition
Mass parts plasticizer stirs evenly, and obtains B component；
(3) component A being added in B component, holding temperature is 150 ± 10 DEG C of stirring 5-15min, and 150 ±
10 DEG C of granulations.
The third aspect, the present invention provide a kind of shock-absorbing composite material prepared by the above method.
Fourth aspect, the present invention provide a kind of application for preparing raw material of shock-absorbing composite material as damper.
The present invention will be described in detail by way of examples below.
The dimethyl silicone polymer purchase is in Guangzhou Hong Hai Chemical Co., Ltd., product type PMX-200；Described two
Silica is bought in Nanjing Tian Hang new material Co., Ltd, product type TSP-H10；The 3M tiny balloon purchase is in Shanghai
Kai Yin Chemical Co., Ltd.；Gamma-aminopropyl-triethoxy-silane is purchased from Jinan Huai Zheng Chemical Co., Ltd., product type KH-
550；γ-(2,3- the third oxygen of epoxy) propyl trimethoxy silicane is purchased from Jinan Huai Zheng Chemical Co., Ltd., product type KH-
560；γ-methacryloxypropyl trimethoxy silane is purchased from Jinan Huai Zheng Chemical Co., Ltd., product type KH-
570；N- (β-aminoethyl)-γ-aminopropyltrimethoxysilane is in Jinan Huai Zheng Chemical Co., Ltd., product type KH-
792；Phthalic acid two (2- ethyl hexyl) ester, repefral, di-sec-octyl phthalate, phthalic acid two
Different nonyl ester and diethyl phthalate are purchased from Shanghai Kai Yin Chemical Co., Ltd., and product is that chemistry is pure.
INV1601B type vibration experiment instrument is by Beijing Orient vibration and noise technique research institute and Tsinghua University's engineering forces
System is learned in relation to teaching the novel vibrating instrument succeeded in developing with doctor's joint research and development；The durable positive nation's detection of vibration measurement instrument Dongguan City
Equipment Co., Ltd, model BA-3100；Tensile testing machine is purchased from sea up to instrument, product type HD-B615A-S.
Preparation example 1
6 mass parts boric acid and 5 mass parts 3M hollow glass micro-balls are added into 80 mass parts dimethyl silicone polymers, are pressing
Power is 13KPa, and temperature is mixed 5h under conditions of being 150 DEG C, 0.05 mass parts oleic acid and 3 mass are added after being cooled to 50 DEG C
Part silica, is made into base-material after being stirred 2h；20g base-material is mixed to form shear thickening with 100mL dimethicone to coagulate
Glue.
Preparation example 2
15 mass parts boric acid and 20 mass parts hollow ceramic microspheres are added into 150 mass parts dimethyl silicone polymers,
Pressure is 15KPa, and temperature is mixed 2h under conditions of being 180 DEG C, 3 mass parts oleic acid and 12 matter are added after being cooled to 100 DEG C
Part silica is measured, is made into base-material after being stirred 3h；50g base-material and 100mL dimethicone are mixed to form shear thickening
Gel.
Embodiment 1
Take shear thickening gel in 15 mass parts preparation examples 1 and 5 mass parts gamma-aminopropyl-triethoxy-silanes 80 ±
10 DEG C be uniformly mixed it is spare.
85 mass parts thermoplastic elastomer TPR are stirred to molten condition under conditions of 160 ± 10 DEG C, 4 mass parts are added
Phthalic acid two (2- ethyl hexyl) ester, stirs evenly, then by above-mentioned ready shear thickening gel and γ-aminopropyl three
The material that Ethoxysilane mixes is added thereto, and temperature is kept to stir 10min.Then be put into while hot in pelletizer 150 ±
It is granulated under conditions of 10 DEG C.It in temperature is 175 DEG C by 300g particle, pressure is moulded in aluminum metal and subtracts under conditions of being 60MPa
It shakes on piece and forms damper.
Embodiment 2
Take shear thickening gel in 5 mass parts preparation examples 1 and 3 mass parts gamma-aminopropyl-triethoxy-silanes 80 ±
10 DEG C be uniformly mixed it is spare.
95 mass parts thermoplastic elastomer TPR are stirred to molten condition under conditions of 160 ± 10 DEG C, 6 mass parts are added
Phthalic acid two (2- ethyl hexyl) ester, stirs evenly, then by above-mentioned ready shear thickening gel and γ-aminopropyl three
The material that Ethoxysilane mixes is added thereto, and temperature is kept to stir 10min.Then be put into while hot in pelletizer 150 ±
It is granulated under conditions of 10 DEG C.It in temperature is 175 DEG C by 300g particle, pressure is moulded in aluminum metal and subtracts under conditions of being 60MPa
It shakes on piece and forms damper.
Embodiment 3
Take shear thickening gel in 10 mass parts preparation examples 1 and 5 mass parts gamma-aminopropyl-triethoxy-silanes 80 ±
10 DEG C be uniformly mixed it is spare.
90 mass parts thermoplastic elastomer TPR are stirred to molten condition under conditions of 160 ± 10 DEG C, 4 mass parts are added
Phthalic acid two (2- ethyl hexyl) ester, stirs evenly, then by above-mentioned ready shear thickening gel and γ-aminopropyl three
The material that Ethoxysilane mixes is added thereto, and temperature is kept to stir 10min.Then be put into while hot in pelletizer 150 ±
It is granulated under conditions of 10 DEG C.It in temperature is 175 DEG C by 300g particle, pressure is moulded in aluminum metal and subtracts under conditions of being 60MPa
It shakes on piece and forms damper.
Embodiment 4
Take shear thickening gel in 1 mass parts preparation example 1 and 5 mass parts gamma-aminopropyl-triethoxy-silanes 80 ±
10 DEG C be uniformly mixed it is spare.
99 mass parts thermoplastic elastomer TPR are stirred to molten condition under conditions of 160 ± 10 DEG C, 4 mass parts are added
Phthalic acid two (2- ethyl hexyl) ester, stirs evenly, then by above-mentioned ready shear thickening gel and γ-aminopropyl three
The material that Ethoxysilane mixes is added thereto, and temperature is kept to stir 10min.Then be put into while hot in pelletizer 150 ±
It is granulated under conditions of 10 DEG C.It in temperature is 175 DEG C by 300g particle, pressure is moulded in aluminum metal and subtracts under conditions of being 60MPa
It shakes on piece and forms damper.
Embodiment 5
Take shear thickening gel in 30 mass parts preparation examples 1 and 5 mass parts gamma-aminopropyl-triethoxy-silanes 80 ±
10 DEG C be uniformly mixed it is spare.
70 mass parts thermoplastic elastomer TPR are stirred to molten condition under conditions of 160 ± 10 DEG C, 4 mass parts are added
Phthalic acid two (2- ethyl hexyl) ester, stirs evenly, then by above-mentioned ready shear thickening gel and γ-aminopropyl three
The material that Ethoxysilane mixes is added thereto, and temperature is kept to stir 10min.Then be put into while hot in pelletizer 150 ±
It is granulated under conditions of 10 DEG C.It in temperature is 175 DEG C by 300g particle, pressure is moulded in aluminum metal and subtracts under conditions of being 60MPa
It shakes on piece and forms damper.
Embodiment 6
Take the shear thickening gel and 5 mass parts γ-(the third oxygen of 2,3- epoxy) propyl trimethoxy in 15 mass parts preparation examples 1
Base silane is uniformly mixed spare at 80 ± 10 DEG C.
85 mass parts thermoplastic elastomer TPR are stirred to molten condition under conditions of 160 ± 10 DEG C, 1 mass parts are added
Repefral and 3 mass parts di-sec-octyl phthalates, stir evenly, and then increase above-mentioned ready shearing
The material that thick gel and γ-(2,3- the third oxygen of epoxy) propyl trimethoxy silicane mix is added thereto, and keeps temperature stirring
10min.Then it is put into pelletizer and is granulated under conditions of 150 ± 10 DEG C while hot.By 300g particle temperature be 175 DEG C, pressure
Power is moulded on aluminum metal vibration damping sheet under conditions of being 60MPa and forms damper.
Embodiment 7
Take shear thickening gel, 2 mass parts N- (β-aminoethyl)-γ-aminopropyl trimethoxy in 15 mass parts preparation examples 1
Base silane and 3 mass parts γ-methacryloxypropyl trimethoxy silane are uniformly mixed spare at 80 ± 10 DEG C.
85 mass parts thermoplastic elastomer TPR are stirred to molten condition under conditions of 160 ± 10 DEG C, 4 mass parts are added
Diisononyl phthalate stirs evenly, then by above-mentioned ready shear thickening gel, N- (β-aminoethyl)-γ-ammonia
The material that propyl trimethoxy silicane and γ-methacryloxypropyl trimethoxy silane mix is added thereto, and is kept
Temperature stirs 10min.Then it is put into pelletizer and is granulated under conditions of 150 ± 10 DEG C while hot.It is in temperature by 300g particle
175 DEG C, pressure is moulded on aluminum metal vibration damping sheet under conditions of being 60MPa and forms damper.
Embodiment 8
Take shear thickening gel in 15 mass parts preparation examples 1 and 5 mass parts gamma-aminopropyl-triethoxy-silanes 80 ±
10 DEG C be uniformly mixed it is spare.
85 mass parts thermoplastic elastomer TPR are stirred under conditions of 160 ± 10 DEG C to molten condition, 4 parts of adjacent benzene are added
Dicarboxylate stirs evenly, and then mixes above-mentioned ready shear thickening gel with gamma-aminopropyl-triethoxy-silane
The material got togather is added thereto, and temperature is kept to stir 10min.Then it is put into while hot in pelletizer under conditions of 150 ± 10 DEG C
It is granulated.It in temperature is 175 DEG C by 300g particle, pressure is moulded in be formed on aluminum metal vibration damping sheet and subtracts under conditions of being 60MPa
Shake device.
Comparative example 1
5 mass parts gamma-aminopropyl-triethoxy-silanes are taken to be uniformly mixed at 80 ± 10 DEG C spare.
85 mass parts thermoplastic elastomer TPR are stirred to molten condition under conditions of 160 ± 10 DEG C, 3 mass parts are added
Phthalic acid two (2- ethyl hexyl) ester, stirs evenly, then by above-mentioned ready shear thickening gel and γ-aminopropyl three
The material that Ethoxysilane mixes is added thereto, and temperature is kept to stir 10min.Then be put into while hot in pelletizer 150 ±
It is granulated under conditions of 10 DEG C.It in temperature is 175 DEG C by 300g particle, pressure is moulded in aluminum metal and subtracts under conditions of being 60MPa
It shakes on piece and forms damper.
Test case
Using INV1601B type vibration experiment instrument to embodiment 1-8 and comparative example 1 on INV1601T type vibration experiment table
In prepared material measure its intrinsic frequency under conditions of test temperature is 23 ± 2 DEG C, pass through INV1601 type DASP software
Read related data.Its transport is measured under conditions of test temperature is 23 ± 2 DEG C by INV9812 acceleration transducer.
Relevant test data is as follows:
Endurance test, test vibration direction: X, Y, Z axis three are carried out by material of the durable vibration measurement instrument to above-mentioned preparation
A direction；Test vibration mode: it carries out random vibration and determines the complex vibration of frequency vibration；Duration: function vibrates every axial direction
1h, the durable every axial direction 4.5h of vibration.
Vibration level table
By tensile testing machine according to " GB/T 6344-2008 flexible foam polymeric material stretches after measuring endurance test
The measurement of intensity and elongation at break " standard measures the tensile strength and extension at break amount of product, obtain following data:
| Tensile strength/MPa | Elongation at break/% | |
| Embodiment 1 | 8.62 | 890 |
| Embodiment 2 | 8.88 | 873 |
| Embodiment 3 | 9.21 | 1012 |
| Embodiment 4 | 7.34 | 723 |
| Embodiment 5 | 8.19 | 824 |
| Embodiment 6 | 8.45 | 834 |
| Embodiment 7 | 8.23 | 878 |
| Embodiment 8 | 8.11 | 798 |
| Comparative example 1 | 7.22 | 732 |
By comparison comparative example 1 and other group experimental datas it is found that be added shear thickening material tensile strength and
Elongation at break is better than that the material of shear thickening gel is not added.Related experiment personnel observation according to the present invention, is sheared being added
After thickened gel, bond effect of the material on metal can be improved.
The preferred embodiment of the present invention has been described above in detail, and still, the present invention is not limited thereto.In skill of the invention
In art conception range, can with various simple variants of the technical solution of the present invention are made, including each technical characteristic with it is any its
Its suitable method is combined, and it should also be regarded as the disclosure of the present invention for these simple variants and combination, is belonged to
Protection scope of the present invention.
Claims (10)
1. a kind of shock-absorbing composite material, which is characterized in that the raw material of the composite material contains thermoplastic elastomer TPR and shearing increases
Thick gel, the mass parts of the thermoplastic elastomer TPR are 70-99 parts, and the mass parts of the shear thickening gel are 1-30 parts.
2. shock-absorbing composite material according to claim 1, which is characterized in that the mass parts of the thermoplastic elastomer TPR are
85-95 parts, the mass parts of the shear thickening gel are 5-15 parts.
3. shock-absorbing composite material according to claim 1 or 2, which is characterized in that the raw material of the composite material also contains
Plasticizer and compatilizer, the mass parts of the plasticizer are 4-6 parts, and the mass parts of the compatilizer are 3-5 parts.
4. shock-absorbing composite material according to claim 3, which is characterized in that
The plasticizer be phthalic acid two (2- ethyl hexyl) ester, repefral, di-sec-octyl phthalate,
One of diisononyl phthalate and diethyl phthalate are a variety of；
The compatilizer is gamma-aminopropyl-triethoxy-silane, γ-(the third oxygen of 2,3- epoxy) propyl trimethoxy silicane, γ-first
One of base acryloyloxypropyltrimethoxysilane and N- (β-aminoethyl)-γ-aminopropyltrimethoxysilane are more
Kind.
5. shock-absorbing composite material according to claim 1 or 2, which is characterized in that the shear thickening gel is by including following
The method of step is made:
(1) 6-15 mass parts boric acid and 5-20 mass parts tiny balloon are added into 80-150 mass parts dimethyl silicone polymer,
It is 13-15KPa in pressure, temperature is mixed 2-5h under conditions of being 150-180 DEG C, is added after being cooled to 50-100 DEG C
0.05-3 mass parts oleic acid and 3-12 mass parts silica, are made into base-material after being stirred 2-3h；
(2) base-material is mixed with dimethicone, the shear thickening gel is made, relative to the dimethicone of every 100mL,
The dosage of base-material is 20-50g.
6. a kind of preparation method of shock-absorbing composite material, which is characterized in that the preparation method comprises the following steps:
(1) by 1-30 mass parts shear thickening gel and 1-6 mass parts compatilizer 80 ± 10 DEG C at a temperature of be uniformly mixed, obtain
To component A；
(2) 70-99 mass parts thermoplastic elastomer TPR is heated to 150 ± 10 DEG C, 3-10 mass is added in stirring to molten condition
Part plasticizer stirs evenly, and obtains B component；
(3) component A is added in B component, holding temperature is 150 ± 10 DEG C of stirring 5-15min, and at 150 ± 10 DEG C
It is granulated.
7. the preparation method of shock-absorbing composite material according to claim 6, which is characterized in that the shear thickening gel passes through packet
The method for including following steps is made:
(1) 6-15 mass parts boric acid and 5-20 mass parts tiny balloon are added into 80-150 mass parts dimethyl silicone polymer,
It is 13-15KPa in pressure, temperature is mixed 2-5h under conditions of being 150-180 DEG C, is added after being cooled to 50-100 DEG C
0.05-3 mass parts oleic acid and 3-12 mass parts silica, are made into base-material after being stirred 2-3h；
(2) base-material is mixed with dimethicone, the shear thickening gel is made, relative to the dimethicone of every 100mL,
The dosage of base-material is 20-50g.
8. the preparation method of shock-absorbing composite material according to claim 6, which is characterized in that
The plasticizer be phthalic acid two (2- ethyl hexyl) ester, repefral, di-sec-octyl phthalate,
One of diisononyl phthalate and diethyl phthalate are a variety of；
The compatilizer is gamma-aminopropyl-triethoxy-silane, γ-(the third oxygen of 2,3- epoxy) propyl trimethoxy silicane, γ-first
One of base acryloyloxypropyltrimethoxysilane and N- (β-aminoethyl)-γ-aminopropyltrimethoxysilane are more
Kind.
9. shock-absorbing composite material made from method described in claim 6-8.
10. the application for preparing raw material of the shock-absorbing composite material described in any one of claim 1-5 and 9 as damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287023.XA CN109280404A (en) | 2018-10-31 | 2018-10-31 | Shock-absorbing composite material and its preparation method and application |
Applications Claiming Priority (1)
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