CN107722638A - Tear-resistant type silicon rubber composite material and preparation method thereof - Google Patents
Tear-resistant type silicon rubber composite material and preparation method thereof Download PDFInfo
- Publication number
- CN107722638A CN107722638A CN201711126997.5A CN201711126997A CN107722638A CN 107722638 A CN107722638 A CN 107722638A CN 201711126997 A CN201711126997 A CN 201711126997A CN 107722638 A CN107722638 A CN 107722638A
- Authority
- CN
- China
- Prior art keywords
- parts
- silicon rubber
- carbon fiber
- reinforcing agent
- composite material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/002—Methods
- B29B7/007—Methods for continuous mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
-
- 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
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/04—After-treatment of articles without altering their shape; Apparatus therefor by wave energy or particle radiation, e.g. for curing or vulcanising preformed articles
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- 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
- C08L2312/00—Crosslinking
- C08L2312/06—Crosslinking by radiation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Reinforced Plastic Materials (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of tear-resistant type silicon rubber composite material and preparation method thereof, the formula composition of the silicon rubber composite material is calculated as by weight：100 parts of silicon rubber, 10~40 parts of main reinforcing agent, increase 0.1~0.4 part of flux, 12~16 parts of constitution controller, help 5~10 parts of reinforcing agent；The main reinforcing agent is the carbon fibre fabric that hole spacing is 0.5~5.0 millimeter.The present invention to the carbon fibre fabric for being used as main reinforcing agent by carrying out surface preparation, significantly improve its interface fusion with silastic-layer, and carbon fiber is formed by the cross-meshed of the bridge linking effect and silicon rubber that increase flux by means of crosslinking with radiation and connect, it is achieved thereby that the strong combination of the two, simultaneously, a small amount of white carbon is added during rubber compounding, chopped strand or its mixed thing are as reinforcing agent is helped properly increasing the mechanical strength of silastic-layer, so as to avoid the interface sliding inside body phase caused by external force, the mechanical strength of composite is significantly lifted.
Description
Technical field
The invention belongs to elastomeric material and its advanced composite material technical field, and in particular to a kind of tear-resistant type silicon rubber
Composite and preparation method thereof.
Background technology
Silicon rubber has good high and low temperature resistance, oil resistance, gas permeability, biologically inert etc., but because it is line
Type polymer, mechanical strength is poor, although its mechanical performance can be improved by way of chemical crosslinking or crosslinking with radiation, but its
Intermolecular force is weaker, therefore is difficult that the self-supporting material with desired mechanical strength is made so that it is applied with silicon rubber
Limitation to a certain extent.Mixed under normal circumstances, it is necessary to add white carbon, chopped strand etc. in cured bodies of silicone rubber system
Use mixedly to effectively improve its mechanical performance (such as tearing strength), so as to which the silicon rubber composite wood with certain mechanical strength be made
Material.But this lifting amplitude for silastic material mechanical property is also very limited, especially for the resistance to of lifting material
Tear resistance, and necessarily cause drastically reducing and mixed refining process difficulty and safety wind for material flexibility when addition is excessive
Danger greatly improves.Simultaneously as make the particles such as white carbon, chopped strand or highly uniform point of powder by prior art means
Dissipate and be difficult in silicone rubber matrix, thus also frequently result in the mechanical strength deviation between obtained silastic material batch compared with
Greatly, technique reappearance is poor.The feature performance benefit of silicon rubber how is kept, and evades its performance shortcomings and difficulty of processing, always
It is the difficult point of research.Therefore, the simple and direct environmentally friendly new type silicone rubber composite of tear-resistant and preparation technology is studied with very long-pending
The meaning of pole.
The content of the invention
It is an object of the invention to solve at least the above and/or defect, and provide at least will be described later it is excellent
Point.
In order to realize according to object of the present invention and further advantage, there is provided a kind of tear-resistant type silicon rubber composite wood
Material, the formula composition of the silicon rubber composite material are calculated as by weight：100 parts of silicon rubber, 10~40 parts of main reinforcing agent, increase and melt
0.1~0.4 part of agent, 12~16 parts of constitution controller, help 5~10 parts of reinforcing agent；The main reinforcing agent is carbon fiber, uses preceding volume
It is made into the fabric or directly use similar carbon fibre fabric that hole spacing is 0.5~5.0 millimeter.
Preferably, the formula composition of the silicon rubber composite material is calculated as by weight：100 parts of silicon rubber, main reinforcement
30 parts of agent, increase 0.3 part of flux, 14 parts of constitution controller, help 6 parts of reinforcing agent.
Preferably, the silicon rubber is methyl vinyl silicone rubber or methyl vinyl phenyl silicon rubber；
The flux that increases is any one in epoxy resin；
The constitution controller is hydroxy silicon oil；
Described to help any one that reinforcing agent is white carbon, chopped carbon fiber or its mixed thing, mixed ratio is 1~3:1
~3.
Preferably, the carbon fiber is polyacrylonitrile-based carbon fibre, asphalt base carbon fiber, viscose-based carbon fiber, phenolic aldehyde
One or more of combinations in base carbon fibre.
Preferably, the epoxy resin is bisphenol A type epoxy resin, bisphenol f type epoxy resin, phenolic epoxy tree
Any one in fat, rosin epoxy resin, terpenyl epoxy resin.
The present invention provides a kind of preparation method of above-mentioned tear-resistant type silicon rubber composite material, comprises the following steps：
Step 1: by weight, will increase flux add in acetone or ethyl acetate solution be configured to mass concentration for 1.0~
2.0% treatment fluid；The carbon fiber preform that hole spacing is 0.5~5.0 millimeter is immersed in treatment fluid, immersion 24~36 is small
Shi Hou, it is dried under reduced pressure 4~8 hours at 60~80 DEG C, the main reinforcing agent pre-processed；
Step 2: by weight, 50 parts of silicon rubber are inserted in double rod mills, plasticated at room temperature 5~8 minutes, then
Sequentially add 6~8 parts of constitution controller, help 2.5~5 parts of reinforcing agent, be kneaded 15~20 minutes；Material after mixing is placed in mould
In frame, the sizing material thin slice that thickness is 0.3~0.6 millimeter is struck out on tablet press machine, then presss from both sides pretreated main reinforcing agent
Between the two layer sizing thin slices suppressed, be placed in it is framed in 100~120kg.cm of pressure-2With 80~100 DEG C of conditions of temperature
Lower pressurize 5~10 minutes, it is prepared into the sheet material that thickness is 0.5~1.0 millimeter；
Step 3: the plastic packaging after sheet material is cooled to room temperature, is placed in gamma-ray irradiation field, its total absorbed dose is set to keep 50
~100kGy carries out crosslinking with radiation；After completing irradiation, plastic packaging is removed, sanction goes to edge, produces tear-resistant type silicon rubber composite material.
Preferably, the silicon rubber is methyl vinyl silicone rubber or methyl vinyl phenyl silicon rubber；Described increase is melted
Agent is any one in epoxy resin；The constitution controller is hydroxy silicon oil；It is described to help reinforcing agent as white carbon, chopped carbon
Any one of fiber or its mixed thing, mixed ratio are 1~3:1~3.
Preferably, the carbon fiber is polyacrylonitrile-based carbon fibre, asphalt base carbon fiber, viscose-based carbon fiber, phenolic aldehyde
One or more of combinations in base carbon fibre；The epoxy resin is bisphenol A type epoxy resin, bisphenol f type epoxy resin, phenol
Any one in aldehyde type epoxy resin, rosin epoxy resin, terpenyl epoxy resin.
Preferably, the carbon fiber is modified carbon fiber；The preparation method of the modified carbon fiber is：By weight,
Take 20~30 parts of carbon fiber, 50~80 parts of 2~5mol/L salpeter solutions to add in the sealing container with stirring, then seal this
Container, which is placed in 1.5MeV, 30mA electron accelerator, to carry out irradiating stir process 60min, filtering, by the carbon fiber after filtering
Add in toluene and be ultrasonically treated 30min；Then dry, the carbon fiber after being aoxidized；Take the carbon fiber after 20~25 parts of oxidations
With 5~10 parts of acidifying carragheens, add in supercritical reaction apparatus, while add 15~20 parts of butyl acrylate, allyl sulfide
10~15 parts of urea, 0.05~0.25 part of ammonium persulfate, 80~100 parts of water, be passed through after device sealing carbon dioxide to 30~
Stirring reaction 2~3 hours under conditions of 40MPa, 70~80 DEG C of temperature, pressure carbon dioxide is then shed, add 10~15 parts
Dodecyl benzyl dimethyl ammonium chloride, it is 40~60MPa then to re-inject carbon dioxide to pressure, and stirring 0.5~1 is small
When, release, filtering, washed with ethanol, dry, obtain modified carbon fiber.
Preferably, 2~5mol/L 10~15 parts of sulfuric acid is added in the salpeter solution；The system of the acidifying carragheen
Preparation Method is：Take 10~30 parts of carragheens to be immersed in 12~24h in 0.5~1mol/L hydrochloric acid solution, then filter, dry,
Obtain being acidified carragheen；For the dosage used that irradiates for 100~400kGy, mixing speed is 100~200r/min.
The present invention comprises at least following beneficial effect：
(1) present invention pass through to be used as main reinforcing agent carbon fibre fabric carry out surface preparation, hence it is evident that improve its with
The interface fusion of silastic-layer, and make carbon fiber by increasing the crosslinking of the bridge linking effect and silicon rubber of flux by means of crosslinking with radiation
Grid protocol connects, it is achieved thereby that the strong combination of the two, meanwhile, a certain amount of hard charcoal is added during rubber compounding
Black, chopped strand or its mixed thing are as reinforcing agent is helped to properly increase the mechanical strength of silastic-layer, so as to avoid body
Interface sliding inside phase caused by external force, the mechanical strength of silicon rubber composite material are significantly lifted, tearing strength
Up to 20.63KN.m-1, tensile strength is up to 11.89MPa.
(2) present invention is by introducing carbon fibre fabric between two layers of silicon rubber thin slice, effectively and substantially improving silicon
Rubber composite resistance to tearing energy, while the pressurize of formative stage not only improves the interface fusion of carbon fibre fabric and silicon rubber
It is also beneficial in fabric tow and the exclusion of interface bubble, this is for obtaining that pliability is excellent and mechanical property is steady between batch
Fixed silicon rubber composite material is highly profitable.
(3) present invention only adds a small amount of reinforcing agent that helps in the mixed refining process stage, and main reinforcing agent is complete in mixed refining process
Into introducing afterwards, the good characteristic of carbon fibre fabric is both farthest maintained, also greatly reduces the difficulty of mixed refining process
Degree and security risk.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Brief description of the drawings：
Fig. 1 is the scanning electron microscope (SEM) photograph of tear-resistant type silicon rubber composite material section prepared by the embodiment of the present invention 1.
Embodiment：
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of individual other elements or its combination.
Embodiment 1：
A kind of tear-resistant type silicon rubber composite material, the formula composition of the silicon rubber composite material are calculated as by weight：
100 parts of silicon rubber, 20 parts of main reinforcing agent, increase 0.2 part of flux, 12 parts of constitution controller, help 5 parts of reinforcing agent；The main reinforcing agent
For polyacrylonitrile-based carbon fibre；The silicon rubber is methyl vinyl silicone rubber；The increasing flux is bisphenol A type epoxy resin；
The constitution controller is hydroxy silicon oil；It is described that to help reinforcing agent be white carbon.
A kind of above-mentioned tear-resistant type silicon rubber composite material, comprises the following steps：
Step 1: by weight, it will increase in flux addition acetone and be configured to the treatment fluid that mass concentration is 1.0%；By 20
The carbon fibre fabric that part hole spacing is 1 millimeter is immersed in 30 parts for the treatment of fluids, and after soaking 24 hours, it is small to be dried under reduced pressure 8 at 60 DEG C
When, the main reinforcing agent that is pre-processed；To being weighed by carbon fiber before and after the processing, parts by weight difference is 0.2 part, that is, is increased molten
The amount of agent is 0.2 part；
Step 2: by weight, 50 parts of silicon rubber are inserted in double rod mills, plasticated at room temperature 5 minutes, then successively
Add 6 parts of constitution controller, help 2.5 parts of reinforcing agent, be kneaded 15 minutes；By the material after mixing be placed in it is framed in, in tablet press machine
On to strike out thickness be 0.3 millimeter of sizing material thin slice, then pretreated main reinforcing agent is sandwiched in two layer sizings suppressed
Between thin slice, be placed in it is framed in pressure 100kg.cm-2With pressurize under the conditions of 80 DEG C of temperature 10 minutes, thickness was prepared into as 0.5
The sheet material of millimeter；
Step 3: the plastic packaging after sheet material is cooled to room temperature, is placed in gamma-ray irradiation field, keep its total absorbed dose
50kGy carries out crosslinking with radiation；After completing irradiation, plastic packaging is removed, sanction goes to edge, produces tear-resistant type silicon rubber composite material.
Performance test is carried out to the tear-resistant type silicon rubber foam material of preparation：Tearing strength, 20.04KN.m-1；Stretching is strong
Degree, 11.33MPa.
Embodiment 2：
A kind of tear-resistant type silicon rubber composite material, the formula composition of the silicon rubber composite material are calculated as by weight：
100 parts of silicon rubber, 10 parts of main reinforcing agent, increase 0.3 part of flux, 16 parts of constitution controller, help 7 parts of reinforcing agent；The main reinforcing agent
For polyacrylonitrile-based carbon fibre；The silicon rubber is methyl vinyl silicone rubber；The increasing flux is bisphenol A type epoxy resin；
The constitution controller is hydroxy silicon oil；It is described that to help reinforcing agent be white carbon.
A kind of above-mentioned tear-resistant type silicon rubber composite material, comprises the following steps：
Step 1: by weight, it will increase in flux addition ethyl acetate and be configured to the treatment fluid that mass concentration is 2.0%；
The carbon fibre fabric that 10 parts of hole spacing are 1 millimeter is immersed in 10 parts for the treatment of fluids, after soaking 24 hours, is dried under reduced pressure at 60 DEG C
8 hours, the main reinforcing agent pre-processed；To being weighed by carbon fiber before and after the processing, parts by weight difference is 0.3 part, i.e.,
The amount for increasing flux is 0.3 part；
Step 2: by weight, 50 parts of silicon rubber are inserted in double rod mills, plasticated at room temperature 5 minutes, then successively
Add 6 parts of constitution controller, help 3.5 parts of reinforcing agent, be kneaded 20 minutes；By the material after mixing be placed in it is framed in, in tablet press machine
On to strike out thickness be 0.6 millimeter of sizing material thin slice, then pretreated main reinforcing agent is sandwiched in two layer sizings suppressed
Between thin slice, be placed in it is framed in pressure 120kg.cm-2With pressurize under the conditions of 100 DEG C of temperature 8 minutes, thickness was prepared into as 1 milli
The sheet material of rice；
Step 3: the plastic packaging after sheet material is cooled to room temperature, is placed in gamma-ray irradiation field, keep its total absorbed dose
100kGy carries out crosslinking with radiation；After completing irradiation, plastic packaging is removed, sanction goes to edge, produces tear-resistant type silicon rubber composite material.
Performance test is carried out to the tear-resistant type silicon rubber foam material of preparation：Tearing strength, 12.05KN.m-1；Stretching is strong
Degree, 8.63MPa.
Embodiment 3：
A kind of tear-resistant type silicon rubber composite material, the formula composition of the silicon rubber composite material are calculated as by weight：
100 parts of silicon rubber, 30 parts of main reinforcing agent, increase 0.3 part of flux, 16 parts of constitution controller, help 5 parts of reinforcing agent；The main reinforcing agent
For polyacrylonitrile-based carbon fibre；The silicon rubber is methyl vinyl silicone rubber；The increasing flux is bisphenol A type epoxy resin；
The constitution controller is hydroxy silicon oil；It is described that to help reinforcing agent be chopped carbon fiber.
A kind of above-mentioned tear-resistant type silicon rubber composite material, comprises the following steps：
Step 1: by weight, it will increase in flux addition ethyl acetate and be configured to the treatment fluid that mass concentration is 1.0%；
The carbon fibre fabric that 30 parts of hole spacing are 1 millimeter is immersed in 40 parts for the treatment of fluids, after soaking 30 hours, is dried under reduced pressure at 70 DEG C
6 hours, the main reinforcing agent pre-processed；To being weighed by carbon fiber before and after the processing, parts by weight difference is 0.3 part, i.e.,
The amount for increasing flux is 0.3 part；
Step 2: by weight, 50 parts of silicon rubber are inserted in double rod mills, plasticated at room temperature 8 minutes, then successively
Add 8 parts of constitution controller, help 2.5 parts of reinforcing agent, be kneaded 15 minutes；By the material after mixing be placed in it is framed in, in tablet press machine
On to strike out thickness be 0.3 millimeter of sizing material thin slice, then pretreated main reinforcing agent is sandwiched in two layer sizings suppressed
Between thin slice, be placed in it is framed in pressure 120kg.cm-2With pressurize under the conditions of 100 DEG C of temperature 10 minutes, thickness was prepared into as 0.5
The sheet material of millimeter；
Step 3: the plastic packaging after sheet material is cooled to room temperature, is placed in gamma-ray irradiation field, keep its total absorbed dose
80kGy carries out crosslinking with radiation；After completing irradiation, plastic packaging is removed, sanction goes to edge, produces tear-resistant type silicon rubber composite material.
Performance test is carried out to the tear-resistant type silicon rubber foam material of preparation：Tearing strength, 17.63KN.m-1；Stretching is strong
Degree, 8.97MPa.
Embodiment 4：
A kind of tear-resistant type silicon rubber composite material, the formula composition of the silicon rubber composite material are calculated as by weight：
100 parts of silicon rubber, 40 parts of main reinforcing agent, increase 0.3 part of flux, 16 parts of constitution controller, help 10 parts of reinforcing agent；The main reinforcing agent
For polyacrylonitrile-based carbon fibre；The silicon rubber is methyl vinyl silicone rubber；The increasing flux is bisphenol A type epoxy resin；
The constitution controller is hydroxy silicon oil；It is described that to help reinforcing agent be chopped carbon fiber and white carbon.
A kind of above-mentioned tear-resistant type silicon rubber composite material, comprises the following steps：
Step 1: by weight, it will increase in flux addition acetone and be configured to the treatment fluid that mass concentration is 1.0%；By 40
The carbon fiber preform that part hole spacing is 1 millimeter is immersed in 40 parts for the treatment of fluids, and after soaking 36 hours, 8 are dried under reduced pressure at 60 DEG C
Hour, the main reinforcing agent pre-processed；To being weighed by carbon fiber before and after the processing, parts by weight difference is 0.3 part, that is, is increased
The amount of flux is 0.3 part；
Step 2: by weight, 50 parts of silicon rubber are inserted in double rod mills, plasticated at room temperature 5 minutes, then successively
8 parts of constitution controller, 2.5 parts of chopped carbon fiber, 2.5 parts of white carbon are added, is kneaded 20 minutes；Material after mixing is placed in mould
In frame, the sizing material thin slice that thickness is 0.3 millimeter is struck out on tablet press machine, pretreated main reinforcing agent is then sandwiched in compacting
Between two good layer sizing thin slices, be placed in it is framed in pressure 120kg.cm-2With pressurize under the conditions of 100 DEG C of temperature 8 minutes, prepare
Into the sheet material that thickness is 0.5 millimeter；
Step 3: the plastic packaging after sheet material is cooled to room temperature, is placed in gamma-ray irradiation field, keep its total absorbed dose
60kGy carries out crosslinking with radiation；After completing irradiation, plastic packaging is removed, sanction goes to edge, produces tear-resistant type silicon rubber composite material.
Performance test is carried out to the tear-resistant type silicon rubber foam material of preparation：Tearing strength, 20.63KN.m-1；Stretching is strong
Degree, 11.89MPa.
Embodiment 5：
A kind of tear-resistant type silicon rubber composite material, the formula composition of the silicon rubber composite material are calculated as by weight：
100 parts of silicon rubber, 40 parts of main reinforcing agent, increase 0.3 part of flux, 16 parts of constitution controller, help 9 parts of reinforcing agent；The main reinforcing agent
For polyacrylonitrile-based carbon fibre；The silicon rubber is methyl vinyl silicone rubber；The increasing flux is bisphenol A type epoxy resin；
The constitution controller is hydroxy silicon oil；It is described that to help reinforcing agent be chopped carbon fiber and white carbon.
A kind of above-mentioned tear-resistant type silicon rubber composite material, comprises the following steps：
Step 1: by weight, it will increase in flux addition ethyl acetate and be configured to the treatment fluid that mass concentration is 1.0%；
The carbon fibre fabric that 40 parts of hole spacing are 1 millimeter is immersed in 40 parts for the treatment of fluids, after soaking 36 hours, is dried under reduced pressure at 60 DEG C
8 hours, the main reinforcing agent pre-processed；To being weighed by carbon fiber before and after the processing, parts by weight difference is 0.3 part, i.e.,
The amount for increasing flux is 0.3 part；
Step 2: by weight, 50 parts of silicon rubber are inserted in double rod mills, plasticated at room temperature 6 minutes, then successively
8 parts of constitution controller, 1.5 parts of chopped carbon fiber, 3 parts of white carbon are added, is kneaded 18 minutes；Material after mixing is placed in framed
In, the sizing material thin slice that thickness is 0.6 millimeter is struck out on tablet press machine, then pretreated main reinforcing agent is sandwiched in and suppressed
Two layer sizing thin slices between, be placed in it is framed in pressure 120kg.cm-2With pressurize under the conditions of 100 DEG C of temperature 10 minutes, prepare
Into the sheet material that thickness is 1 millimeter；
Step 3: the plastic packaging after sheet material is cooled to room temperature, is placed in gamma-ray irradiation field, keep its total absorbed dose
50kGy carries out crosslinking with radiation；After completing irradiation, plastic packaging is removed, sanction goes to edge, produces tear-resistant type silicon rubber composite material.
Performance test is carried out to the tear-resistant type silicon rubber foam material of preparation：Tearing strength, 17.82KN.m-1；Stretching is strong
Degree, 9.14MPa.
Embodiment 6：
A kind of tear-resistant type silicon rubber composite material, the formula composition of the silicon rubber composite material are calculated as by weight：
100 parts of silicon rubber, 30 parts of main reinforcing agent, increase 0.3 part of flux, 16 parts of constitution controller, help 6 parts of reinforcing agent；The main reinforcing agent
For asphalt base carbon fiber；The silicon rubber is methyl vinyl silicone rubber；The increasing flux is bisphenol A type epoxy resin；It is described
Constitution controller is hydroxy silicon oil；It is described that to help reinforcing agent be chopped carbon fiber and white carbon.
A kind of above-mentioned tear-resistant type silicon rubber composite material, comprises the following steps：
Step 1: by weight, it will increase in flux addition ethyl acetate and be configured to the treatment fluid that mass concentration is 1.0%；
The carbon fibre fabric that 30 parts of hole spacing are 1 millimeter is immersed in 40 parts for the treatment of fluids, after soaking 36 hours, is dried under reduced pressure at 60 DEG C
8 hours, the main reinforcing agent pre-processed；To being weighed by carbon fiber before and after the processing, parts by weight difference is 0.3 part, i.e.,
The amount for increasing flux is 0.3 part；
Step 2: by weight, 50 parts of silicon rubber are inserted in double rod mills, plasticated at room temperature 6 minutes, then successively
8 parts of constitution controller, 1.5 parts of chopped carbon fiber, 1.5 parts of white carbon are added, is kneaded 18 minutes；Material after mixing is placed in mould
In frame, the sizing material thin slice that thickness is 0.6 millimeter is struck out on tablet press machine, pretreated main reinforcing agent is then sandwiched in compacting
Between two good layer sizing thin slices, be placed in it is framed in pressure 120kg.cm-2With pressurize under the conditions of 100 DEG C of temperature 10 minutes, system
It is standby into the sheet material that thickness is 1 millimeter；
Step 3: the plastic packaging after sheet material is cooled to room temperature, is placed in gamma-ray irradiation field, keep its total absorbed dose
80kGy carries out crosslinking with radiation；After completing irradiation, plastic packaging is removed, sanction goes to edge, produces tear-resistant type silicon rubber composite material.
Performance test is carried out to the tear-resistant type silicon rubber foam material of preparation：Tearing strength, 20.40KN.m-1；Stretching is strong
Degree, 10.32MPa.
Embodiment 7：
The carbon fiber is modified polypropene carbon fiber；The preparation method of the modified polypropene carbon fiber is：By weight
Part, take 30 parts of carbon fiber, 80 parts of 5mol/L salpeter solutions to add in the sealing container with stirring, be then placed in the sealing container
Carry out irradiating stir process 60min in 1.5MeV, 30mA electron accelerator, filtering, the carbon fiber after filtering is added into toluene
Middle supersound process 30min；Then dry, the carbon fiber after being aoxidized；Take the carbon fiber after 20 parts of oxidations and 10 parts of acidifying cards
Glue is drawn, is added in supercritical reaction apparatus, while add 20 parts of butyl acrylate, 10 parts of allylthiourea, ammonium persulfate 0.15
Part, 80 parts of water, the stirring reaction 3 hours under conditions of carbon dioxide to 30MPa, temperature 70 C is passed through after device seals, then
Pressure carbon dioxide is shed, 15 parts of dodecyl benzyl dimethyl ammonium chlorides is added, then re-injects carbon dioxide to pressure
For 60MPa, stir 1 hour, release, filtering, washed with ethanol, dry, obtain modified carbon fiber.Added in the salpeter solution
15 parts of 5mol/L sulfuric acid；It is described acidifying carragheen preparation method be：20 parts of carragheens are taken to be immersed in 0.5mol/L hydrochloric acid
24h in solution, is then filtered, and is dried, and obtains being acidified carragheen；For 100kGy, mixing speed is the dosage used that irradiates
200r/min.By above-mentioned method of modifying, modified carbon fiber tissue layer is set in two layers of the middle of sheet rubber, drastically increased
The tensile strength and resistance to tearing energy of silicon rubber foam material.
Remaining technological parameter and process with it is identical in embodiment 1；To the tear-resistant type silicon rubber foam material of preparation
Material carries out performance test：Tearing strength, 21.25KN.m-1；Tensile strength, 12.58MPa.
Embodiment 8：
The carbon fiber is modified polypropene carbon fiber；The preparation method of the modified polypropene carbon fiber is：By weight
Part, take 25 parts of carbon fiber, 60 parts of 4mol/L salpeter solutions to add in the sealing container with stirring, be then placed in the sealing container
Carry out irradiating stir process 60min in 1.5MeV, 30mA electron accelerator, filtering, the carbon fiber after filtering is added into toluene
Middle supersound process 30min；Then dry, the carbon fiber after being aoxidized；Take the carbon fiber after 25 parts of oxidations and 8 parts of acidifying OK a karaoke clubs
Glue, add supercritical reaction apparatus in, while add 15 parts of butyl acrylate, 15 parts of allylthiourea, 0.1 part of ammonium persulfate,
100 parts of water, stirring reaction 3 hours, is then unloaded under conditions of carbon dioxide to 35MPa, temperature 70 C is passed through after device seals
Pressure carbon dioxide is removed, adds 12 parts of dodecyl benzyl dimethyl ammonium chlorides, then re-injecting carbon dioxide to pressure is
50MPa, stir 1 hour, release, filtering, washed with ethanol, dry, obtain modified carbon fiber；Added in the salpeter solution
15 parts of 5mol/L sulfuric acid；It is described acidifying carragheen preparation method be：10 parts of carragheens are taken to be immersed in 0.5mol/L hydrochloric acid
24h in solution, is then filtered, and is dried, and obtains being acidified carragheen；For 200kGy, mixing speed is the dosage used that irradiates
200r/min。
Remaining technological parameter and process with it is identical in embodiment 1；To the tear-resistant type silicon rubber foam material of preparation
Material carries out performance test：Tearing strength, 21.15KN.m-1；Tensile strength, 12.87MPa.
Embodiment 9：
The carbon fiber is modified pitch base carbon fibre；The preparation method of the modified pitch base carbon fibre is：By weight
Part, take 30 parts of carbon fiber, 60 parts of 5mol/L salpeter solutions to add in the sealing container with stirring, be then placed in the sealing container
Carry out irradiating stir process 60min in 1.5MeV, 30mA electron accelerator, filtering, the carbon fiber after filtering is added into toluene
Middle supersound process 30min；Then dry, the carbon fiber after being aoxidized；Take the carbon fiber after 25 parts of oxidations and 8 parts of acidifying OK a karaoke clubs
Glue, add supercritical reaction apparatus in, while add 20 parts of butyl acrylate, 15 parts of allylthiourea, 0.1 part of ammonium persulfate,
100 parts of water, stirring reaction 3 hours, is then unloaded under conditions of carbon dioxide to 35MPa, temperature 70 C is passed through after device seals
Pressure carbon dioxide is removed, adds 12 parts of dodecyl benzyl dimethyl ammonium chlorides, then re-injecting carbon dioxide to pressure is
50MPa, stir 1 hour, release, filtering, washed with ethanol, dry, obtain modified carbon fiber；Added in the salpeter solution
15 parts of 5mol/L sulfuric acid；It is described acidifying carragheen preparation method be：10 parts of carragheens are taken to be immersed in 0.5mol/L hydrochloric acid
24h in solution, is then filtered, and is dried, and obtains being acidified carragheen；For 400kGy, mixing speed is the dosage used that irradiates
200r/min。
Remaining technological parameter and process with it is identical in embodiment 6；To the tear-resistant type silicon rubber foam material of preparation
Material carries out performance test：Tearing strength, 22.55KN.m-1；Tensile strength, 12.27MPa.
Embodiment 10：
The carbon fiber is modified pitch base carbon fibre；The preparation method of the modified pitch base carbon fibre is：By weight
Part, take 28 parts of carbon fiber, 60 parts of 5mol/L salpeter solutions to add in the sealing container with stirring, be then placed in the sealing container
Carry out irradiating stir process 60min in 1.5MeV, 30mA electron accelerator, filtering, the carbon fiber after filtering is added into toluene
Middle supersound process 30min；Then dry, the carbon fiber after being aoxidized；Take the carbon fiber after 20 parts of oxidations and 5 parts of acidifying OK a karaoke clubs
Glue, add supercritical reaction apparatus in, while add 18 parts of butyl acrylate, 12 parts of allylthiourea, 0.15 part of ammonium persulfate,
100 parts of water, stirring reaction 3 hours, is then unloaded under conditions of carbon dioxide to 35MPa, temperature 70 C is passed through after device seals
Pressure carbon dioxide is removed, adds 12 parts of dodecyl benzyl dimethyl ammonium chlorides, then re-injecting carbon dioxide to pressure is
50MPa, stir 1 hour, release, filtering, washed with ethanol, dry, obtain modified carbon fiber；Added in the salpeter solution
15 parts of 5mol/L sulfuric acid；It is described acidifying carragheen preparation method be：The hydrochloric acid for taking 10 parts of carragheens to be immersed in 1mol/L is molten
24h in liquid, is then filtered, and is dried, and obtains being acidified carragheen；For 200kGy, mixing speed is the dosage used that irradiates
200r/min。
Remaining technological parameter and process with it is identical in embodiment 6；To the tear-resistant type silicon rubber foam material of preparation
Material carries out performance test：Tearing strength, 22.35KN.m-1；Tensile strength, 12.38MPa.
Embodiment 11：
Using carbon fiber in the modified polyacrylonitrile-based carbon fiber alternative embodiment 2 prepared in embodiment 7；Remaining technique is joined
Number and process with it is identical in embodiment 2.
Performance test is carried out to the tear-resistant type silicon rubber foam material of preparation：Tearing strength, 14.62KN.m-1；Stretching is strong
Degree, 10.58MPa.
Embodiment 12：
Using carbon fiber in the modified polyacrylonitrile-based carbon fiber alternative embodiment 3 prepared in embodiment 7；Remaining technique is joined
Number and process with it is identical in embodiment 3.
Performance test is carried out to the tear-resistant type silicon rubber foam material of preparation：Tearing strength, 18.72KN.m-1, stretching is by force
Degree, 10.58MPa.
Embodiment 13：
Using carbon fiber in the modified polyacrylonitrile-based carbon fiber alternative embodiment 4 prepared in embodiment 7；Remaining technique is joined
Number and process with it is identical in embodiment 4.
Performance test is carried out to the tear-resistant type silicon rubber foam material of preparation：Tearing strength, 22.65KN.m-1, stretching is by force
Degree, 13.89MPa.
Embodiment 14：
Using carbon fiber in the modified polyacrylonitrile-based carbon fiber alternative embodiment 5 prepared in embodiment 7；Remaining technique is joined
Number and process with it is identical in embodiment 5.
Performance test is carried out to the tear-resistant type silicon rubber foam material of preparation：Tearing strength, 20.38KN.m-1, stretching is by force
Degree, 12.38MPa.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details and shown here as the legend with description.
Claims (10)
1. a kind of tear-resistant type silicon rubber composite material, it is characterised in that the formula composition of the silicon rubber composite material is by weight
Amount part is calculated as：100 parts of silicon rubber, 10~40 parts of main reinforcing agent, increase 0.1~0.4 part of flux, 12~16 parts of constitution controller, help
5~10 parts of reinforcing agent；The main reinforcing agent is carbon fiber, be woven into before use hole spacing be 0.5~5.0 millimeter fabric or
Directly use similar carbon fibre fabric.
2. tear-resistant type silicon rubber composite material as claimed in claim 1, it is characterised in that the silicon rubber composite material
Formula composition is calculated as by weight：100 parts of silicon rubber, 30 parts of main reinforcing agent, increase 0.3 part of flux, 14 parts of constitution controller, help benefit
Strong 6 parts of agent.
3. tear-resistant type silicon rubber composite material as claimed in claim 1, it is characterised in that the silicon rubber is ethylene methacrylic
Base silicon rubber or methyl vinyl phenyl silicon rubber；
The flux that increases is any one in epoxy resin；
The constitution controller is hydroxy silicon oil；
Described to help any one that reinforcing agent is white carbon, chopped carbon fiber or its mixed thing, mixed ratio is 1~3:1~3.
4. tear-resistant type silicon rubber composite material as claimed in claim 3, it is characterised in that the carbon fiber is polyacrylonitrile
One or more of combinations in base carbon fibre, asphalt base carbon fiber, viscose-based carbon fiber, phenolic aldehyde base carbon fibre.
5. tear-resistant type silicon rubber composite material as claimed in claim 3, it is characterised in that the epoxy resin is bisphenol-A
Appointing in type epoxy resin, bisphenol f type epoxy resin, phenol aldehyde type epoxy resin, rosin epoxy resin, terpenyl epoxy resin
Meaning is a kind of.
A kind of 6. preparation method of tear-resistant type silicon rubber composite material as claimed in claim 1 or 2, it is characterised in that bag
Include following steps：
Step 1: by weight, will increase flux add in acetone or ethyl acetate solution be configured to mass concentration for 1.0~
2.0% treatment fluid；The carbon fiber preform that hole spacing is 0.5~5.0 millimeter is immersed in treatment fluid, immersion 24~36 is small
Shi Hou, it is dried under reduced pressure 4~8 hours at 60~80 DEG C, the main reinforcing agent pre-processed；
Step 2: by weight, 50 parts of silicon rubber are inserted in double rod mills, plasticated at room temperature 5~8 minutes, then successively
Add 6~8 parts of constitution controller, help 2.5~5 parts of reinforcing agent, be kneaded 15~20 minutes；Material after mixing is placed in framed
In, the sizing material thin slice that thickness is 0.3~0.6 millimeter is struck out on tablet press machine, is then sandwiched in pretreated main reinforcing agent
Between the two layer sizing thin slices suppressed, be placed in it is framed in 100~120kg.cm of pressure-2Under the conditions of 80~100 DEG C of temperature
Pressurize 5~10 minutes, it is prepared into the sheet material that thickness is 0.5~1.0 millimeter；
Step 3: the plastic packaging after sheet material is cooled to room temperature, is placed in gamma-ray irradiation field, make its total absorbed dose keep 50~
100kGy carries out crosslinking with radiation；After completing irradiation, plastic packaging is removed, sanction goes to edge, produces tear-resistant type silicon rubber composite material.
7. the preparation method of tear-resistant type silicon rubber composite material as claimed in claim 6, it is characterised in that the silicon rubber
For methyl vinyl silicone rubber or methyl vinyl phenyl silicon rubber；The flux that increases is any one in epoxy resin；Institute
It is hydroxy silicon oil to state constitution controller；It is described to help any one that reinforcing agent is white carbon, chopped carbon fiber or its mixed thing, mix
It is 1~3 with ratio:1~3.
8. the preparation method of tear-resistant type silicon rubber composite material as claimed in claim 6, it is characterised in that the carbon fiber
For one or more of groups in polyacrylonitrile-based carbon fibre, asphalt base carbon fiber, viscose-based carbon fiber, phenolic aldehyde base carbon fibre
Close；The epoxy resin is bisphenol A type epoxy resin, bisphenol f type epoxy resin, phenol aldehyde type epoxy resin, abietyl asphalt mixtures modified by epoxy resin
Any one in fat, terpenyl epoxy resin.
9. the preparation method of tear-resistant type silicon rubber composite material as claimed in claim 6, it is characterised in that the carbon fiber
For modified carbon fiber；The preparation method of the modified carbon fiber is：By weight, 20~30 parts of carbon fiber, 2~5mol/L nitre are taken
50~80 parts of acid solution is added in the sealing container with stirring, and then electronics that the sealing container is placed in 1.5MeV, 30mA adds
Carry out irradiating stir process 60min in fast device, filtering, the carbon fiber after filtering is added in toluene and is ultrasonically treated 30min；Then
Drying, the carbon fiber after being aoxidized；The carbon fiber after 20~25 parts of oxidations and 5~10 parts of acidifying carragheens are taken, adds super face
In boundary's reaction unit, while add 15~20 parts of butyl acrylate, 10~15 parts of allylthiourea, ammonium persulfate 0.05~0.25
Part, 80~100 parts of water, stirring is anti-under conditions of carbon dioxide to 30~40MPa, 70~80 DEG C of temperature is passed through after device sealing
Answer 2~3 hours, then shed pressure carbon dioxide, add 10~15 parts of dodecyl benzyl dimethyl ammonium chlorides, then again
It is 40~60MPa to inject carbon dioxide to pressure, is stirred 0.5~1 hour, release, filtering, is washed with ethanol, dries, is changed
Property carbon fiber.
10. the preparation method of tear-resistant type silicon rubber composite material as claimed in claim 9, it is characterised in that the nitric acid
2~5mol/L 10~15 parts of sulfuric acid is added in solution；It is described acidifying carragheen preparation method be：Take 10~30 parts of carragheens
12~24h in 0.5~1mol/L hydrochloric acid solution is immersed in, is then filtered, is dried, obtains being acidified carragheen；The irradiation is adopted
Dosage is 100~400kGy, and mixing speed is 100~200r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711126997.5A CN107722638B (en) | 2017-11-15 | 2017-11-15 | Tear-resistant silicone rubber composite material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711126997.5A CN107722638B (en) | 2017-11-15 | 2017-11-15 | Tear-resistant silicone rubber composite material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107722638A true CN107722638A (en) | 2018-02-23 |
| CN107722638B CN107722638B (en) | 2020-10-09 |
Family
ID=61214666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711126997.5A Active CN107722638B (en) | 2017-11-15 | 2017-11-15 | Tear-resistant silicone rubber composite material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107722638B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289115A (en) * | 2019-02-22 | 2019-09-27 | 西南科技大学 | A kind of high-strength silicon rubber base flexibility neutron shielding material and preparation method thereof |
| CN113527888A (en) * | 2020-04-22 | 2021-10-22 | 北京化工大学 | High-tear-resistance white carbon black/methyl vinyl silicone rubber composite material and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB903201A (en) * | 1959-10-19 | 1962-08-15 | Dow Corning | Vulcanisation of silicone rubber |
| CN104893312A (en) * | 2015-07-01 | 2015-09-09 | 中国工程物理研究院核物理与化学研究所 | Composite enhanced high-flexibility microporous silicone rubber foam material and preparation method thereof |
| CN105199244A (en) * | 2015-10-10 | 2015-12-30 | 中国工程物理研究院核物理与化学研究所 | Ethylene propylene diene monomer rubber composite material and preparation method thereof |
| CN106380860A (en) * | 2016-09-29 | 2017-02-08 | 中国工程物理研究院核物理与化学研究所 | Self-adhesion silicon rubber material and preparation method thereof |
| CN107057334A (en) * | 2017-05-12 | 2017-08-18 | 四川恒领皓睿塑胶科技有限公司 | Toughness reinforcing strengthens the preparation method of polymer composites |
-
2017
- 2017-11-15 CN CN201711126997.5A patent/CN107722638B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB903201A (en) * | 1959-10-19 | 1962-08-15 | Dow Corning | Vulcanisation of silicone rubber |
| CN104893312A (en) * | 2015-07-01 | 2015-09-09 | 中国工程物理研究院核物理与化学研究所 | Composite enhanced high-flexibility microporous silicone rubber foam material and preparation method thereof |
| CN105199244A (en) * | 2015-10-10 | 2015-12-30 | 中国工程物理研究院核物理与化学研究所 | Ethylene propylene diene monomer rubber composite material and preparation method thereof |
| CN106380860A (en) * | 2016-09-29 | 2017-02-08 | 中国工程物理研究院核物理与化学研究所 | Self-adhesion silicon rubber material and preparation method thereof |
| CN107057334A (en) * | 2017-05-12 | 2017-08-18 | 四川恒领皓睿塑胶科技有限公司 | Toughness reinforcing strengthens the preparation method of polymer composites |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289115A (en) * | 2019-02-22 | 2019-09-27 | 西南科技大学 | A kind of high-strength silicon rubber base flexibility neutron shielding material and preparation method thereof |
| CN110289115B (en) * | 2019-02-22 | 2022-08-30 | 中国工程物理研究院核物理与化学研究所 | High-strength silicone rubber-based flexible neutron shielding material and preparation method thereof |
| CN113527888A (en) * | 2020-04-22 | 2021-10-22 | 北京化工大学 | High-tear-resistance white carbon black/methyl vinyl silicone rubber composite material and preparation method thereof |
| CN113527888B (en) * | 2020-04-22 | 2022-11-29 | 北京化工大学 | High-tear-resistance white carbon black/methyl vinyl silicone rubber composite material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107722638B (en) | 2020-10-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107815122A (en) | High-strength tear-resistant type silicon rubber foam material and preparation method thereof | |
| CN105968717B (en) | A kind of preparation of carbon fiber/graphite alkene/carbon nano tube/epoxy resin prepreg and carbon fibre composite | |
| CN105199244B (en) | A kind of ternary ethlene propyene rubbercompound material and preparation method thereof | |
| CN105647119B (en) | A kind of preparation method of three-dimensional porous graphene reinforced epoxy composite | |
| CN107722638A (en) | Tear-resistant type silicon rubber composite material and preparation method thereof | |
| CN104262967B (en) | Sensitive material used in pressure sensor and preparation method thereof | |
| CN107159070A (en) | Self-repairing microcapsule and preparation method thereof, coating, coating and epoxy resin composite material | |
| Luo et al. | Investigation of properties of nano-silica modified epoxy resin films and composites using RFI technology | |
| CN107619487A (en) | A kind of preparation method of the calcium cross-linked sodium alginate electric drive film of chlorination | |
| CN109608668A (en) | A kind of preparation of carbon fiber/graphene oxide/epoxy prepreg and carbon fibre composite | |
| CN105669920A (en) | Low-shrinkage unsaturated polyester resin and fiber-glass-reinforced board prepared from resin | |
| CN107383443B (en) | A kind of gutta-percha and the laminated film of nano-cellulose and preparation method thereof | |
| CN104448844A (en) | Preparation method of water-insoluble flexible silk fibroin membrane | |
| Mandal et al. | Studies on bamboo/glass fiber reinforced USP and VE resin | |
| CN107903831A (en) | A kind of preparation method of earthwork synthetic material adhesive | |
| CN105401261A (en) | Electrolytic oxidization method for preparing coal asphalt based carbon fiber | |
| CN106633888A (en) | Liquid crystal elastomer composite material with continuous fiber as reinforcement phase and preparation method | |
| CN107815123A (en) | Organic reinforced type silicon rubber foam material and preparation method thereof | |
| CN102514209B (en) | Defoaming method and defoaming device | |
| JP3891441B2 (en) | Manufacturing method of fiber reinforced polyimide composite material | |
| CN114227863B (en) | Mineral plate with gold-copper ore pressure neutralization slag recycled and production method thereof | |
| CN108912580A (en) | The preparation method of copper nanometer rods enhancing pitch planted roof root resistance material | |
| CN109608704A (en) | A method of composite conducting rubber is prepared using supercritical fluid technique | |
| CN107458066A (en) | A kind of preparation method of toughening carbon fiber reinforced polymer matrix composites | |
| CN103172882A (en) | Preparation method of synergistically reinforced and toughened epoxy resin composite material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |