CN108373555A - A kind of abrasion resistant fire blocking heat-conducting insulation material and preparation method thereof - Google Patents
A kind of abrasion resistant fire blocking heat-conducting insulation material and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of abrasion resistant fire blocking heat-conducting insulation materials and preparation method thereof, include the raw material of following parts by weight：Compound 80 120 parts of rubber, 10 20 parts of wear-resisting additive, modified 8 14 parts of reinforcing fiber, 10 14 parts of fire-retardant additive, 35 parts of coupling agent, 79 parts of processing aid, 68 parts of auxiliary agent of increasing property, 79 parts of modified Nano additive.The present invention has good insulation, stretch-proof and wear-resisting performance, and material conducts heat flame retardant effect is excellent, and cold-and-heat resistent impact, toughness are strong, and nontoxic free from extraneous odour, intensity high resiliency is good, and service life is longer, safety and environmental protection；The preparation method cost of the present invention is relatively low simultaneously, raw material is easy to get, technique is concise, has higher practical value and good application prospect.
Description
Technical field
The present invention relates to abrasion-proof insulating field of material technology, and in particular to a kind of abrasion resistant fire blocking heat-conducting insulation material and its system
Preparation Method.
Background technology
In recent years, China's electric utility is quickly grown, and network system working voltage grade is continuously improved, and network size is gradually
Expansion, superelevation or UHV transmission network are the skeleton and core for the intelligent grid that national grid is being made with all strength, are built special
High-voltage transmission network can significantly promote the conveying capacity of China's power grid, reduce long range power Transmission and be lost, but higher
Voltage class and direct current transportation significant challenge is proposed to the security reliability for being widely used in the insulating materials of electrical equipment,
High Performance Insulation material is to constitute high pressure, extra-high voltage electric transmission and transformation equipment and the technological core at network and key, electric property
Height has been directly related to the voltage class and safety of entire power transmission network with stablizing, and therefore, develops High Performance Insulation material, right
Building security is reliably, the defeated change network of DC ultra-high-voltage of stability and high efficiency, the transmission of electricity of promotion China is horizontal and saves resource with important
Meaning, existing power cable insulating materials is anticorrosive, high heat resistance energy force difference, influences the service life of power cable.
It needs to use insulation sheet rubber, the working environment of certain power equipments in many components of another aspect power equipment
Temperature is higher, and power equipment itself also will produce partial heat, these heats can improve the temperature of insulation sheet rubber, insulation
The mechanical performance of itself can reduce after the temperature of sheet rubber increases, and rubber colloid softening, tensile resistance reduces, and elasticity weakens,
Sealing performance and cushion performance can be deteriorated, this brings security risk to the operation of power equipment, serious or even can influence to set
Standby normal use.
In addition, most electro-insulating rubber pad is due to the chemical action between various additives, reinforcing agent and rubber body,
Pungent peculiar smell may be volatilized in use, and this unpleasant taste in the high temperature environment can be more obvious.
Invention content
In view of the drawbacks of the prior art, the object of the present invention is to provide a kind of abrasion resistant fire blocking heat-conducting insulation material, the insulation
Material has good insulation, stretch-proof and wear-resisting performance, and material conducts heat flame retardant effect is excellent, and cold-and-heat resistent impact, toughness are strong,
Nontoxic free from extraneous odour, intensity high resiliency is good, and service life is longer, safety and environmental protection；The preparation method cost of the present invention is relatively low, former simultaneously
Material is easy to get, technique is concise, has higher practical value and good application prospect.
The present invention solves technical problem and adopts the following technical scheme that：
The present invention provides a kind of abrasion resistant fire blocking heat-conducting insulation materials, include the raw material of following parts by weight：
Compound 80-120 part of rubber, it is additive 10-20 parts wear-resisting, modification 8-14 parts of reinforcing fiber, it is additive 10-14 parts fire-retardant,
3-5 parts of coupling agent, 7-9 parts of processing aid, 6-8 parts of auxiliary agent of increasing property, 7-9 parts of modified Nano additive.
Preferably, the abrasion resistant fire blocking heat-conducting insulation material includes the raw material of following parts by weight：
It compounds 100 parts of rubber, 15 parts of wear-resisting additive, modified 11 parts of reinforcing fiber, 12 parts of fire-retardant additive, 4 parts of coupling agent, add
8 parts of work auxiliary agent, 7 parts of auxiliary agent of increasing property, 8 parts of modified Nano additive.
Preferably, the wear-resisting additive is calcium carbonate crystal whisker, barium sulfate crystal whisker and carbon nanotube according to weight ratio 3:2:1
The mixture of composition, the calcium carbonate crystal whisker and barium sulfate crystal whisker be tetrapod shaped whisker, the length of 20-40 μm, a diameter of 0
.05-1μm
Preferably, the compounding rubber be high cis-1,4-polyisoprene rubber, butadiene-styrene rubber and chlorosulfonated polyethylene rubber according to
Weight ratio 3:1:The mixture of 3 compositions.
Preferably, the preparation method of the modified reinforcing fiber is：According to weight ratio by high-strength glass fibre, carbon fiber,
Boron fibre is according to weight ratio 4:2:1 is placed in grinder and grinds 2-4h so that and the length of chopped carbon fiber is less than or equal to 0.5 μm,
Draw ratio is less than 10；The chopped carbon fiber after grinding is infiltrated using acrylic copolymer again；Low-carbon polyhydroxy is used later
Base alcohol to the chopped carbon fiber after infiltration coated to get.
Preferably, the fire-retardant additive is magnesium hydroxide, aluminium hydroxide and expansible graphite according to weight ratio 2:1:5 groups
At mixture；
The expansible graphite by natural graphite through concentrated sulfuric acid acidification, then through washing, filtering, it is dry after, then in 900-
It is puffing at 1000 DEG C to be made.
Preferably, the processing aid is vulcanizing agent, crosslinking agent, plasticizer according to weight ratio 3:1:The mixture of 1 composition,
The vulcanizing agent is Cosan, and the crosslinking agent is the dual-tert-butyl diisopropyl peroxide that substance content is more than 90%, described
Plasticizer is dioctyl adipate；
The increasing property auxiliary agent is antioxidant, lubricant, ultraviolet screener according to weight ratio 1:3:The mixture of 1 composition, it is described anti-
Oxygen agent is pentaerythritol ester, and the lubricant is zinc stearate and calcium stearate according to weight ratio 2:The mixture of 1 composition, it is described
UV resistant agent is benzophenone.
Preferably, the modified Nano additive preparation method is：By nanometer silicon carbide, nano aluminium oxide, nano oxidized
Zinc is according to weight ratio 4:3:1 send to surface processing trough, and barium stearate dispersant and water is then added, control temperature at 50-70 DEG C,
It is that 300-500r/min stirs 10-20min, then supersonic generator is added in dispersion liquid in rotating speed, adds alkyl naphthalene sulfonic acid
Salt and Sodium Polyacrylate composite modifier, the ultrasound 30-60min in the case where temperature is 50-70 DEG C, frequency is 50-70KHz, through filtering,
Dry, pulverize, sieving to get.
The present invention also provides a kind of preparation methods of abrasion resistant fire blocking heat-conducting insulation material, include the following steps：
Step 1 weighs each component raw material as required；
Step 2 wear-resisting additive, fire-retardant additive, modified Nano addition compound coupling agent is added in homogenizer, in temperature
Degree is 80-90 DEG C, under speed of agitator 300-400r/min, and stirring obtains mixture A until coupling agent melts to absorb；
Step 3: will compounding rubber, processing aid be 160-170 DEG C in temperature at mixing 10-14 minutes, add step 2 system
Standby mixture A is warming up to 180-200 DEG C, is kneaded 20-30 minutes, adds increasing property auxiliary agent and continues stirring mixing 3-5 minutes,
Obtain mixture B；
Mixture B prepared by step 3 is sent in open mill, thin 10-15 times logical through three rollers in open mill, roller by step 4
Temperature control is made as 80-90 DEG C, it is thin it is logical after the completion of sizing material is cut into corresponding size film it is spare, film is sent in molding machine,
The insulation sheet rubber of required specification is obtained by molding, the abrasion resistant fire blocking heat-conducting insulation material invented.
Preferably, the preparation process of the abrasion resistant fire blocking heat-conducting insulation material is：
Step 1 weighs each component raw material as required；
Step 2 wear-resisting additive, fire-retardant additive, modified Nano addition compound coupling agent is added in homogenizer, in temperature
Degree is 85 DEG C, under speed of agitator 350r/min, and stirring obtains mixture A until coupling agent melts to absorb；
Step 3: will compounding rubber, processing aid be 165 DEG C in temperature at mixing 12 minutes, add the mixed of step 2 preparation
Object A is closed, is warming up to 190 DEG C, is kneaded 25 minutes, increasing property auxiliary agent is added and continues stirring mixing 4 minutes, obtain mixture B；
Mixture B prepared by step 3 is sent in open mill by step 4, thin 13 times logical through three rollers in open mill, roller temperature
Control is 85 DEG C, it is thin it is logical after the completion of sizing material is cut into corresponding size film it is spare, film is sent in molding machine, by mould
Pressure obtains the insulation sheet rubber of required specification, the abrasion resistant fire blocking heat-conducting insulation material invented.
Compared with prior art, the present invention has following advantageous effect：
（1）A kind of abrasion resistant fire blocking heat-conducting insulation material of the present invention is added to wear-resisting additive, predominantly calcium carbonate crystal whisker, sulfuric acid
Barium whisker and carbon nanotube, one side can effectively improve intensity and toughness, the effect for improving its thermal stability of material, separately
On the one hand a few person's stable friction performances, heat fading and hot restorability are preferable, and the filling of especially calcium carbonate crystal whisker more rubs increasing
Anti-attrition is organically unified in a system, and high temperature friction and wear behavior is superior, can greatly improve the wear-resisting property of material.
（2）A kind of fire-retardant additive of abrasion resistant fire blocking heat-conducting insulation material addition of the present invention is magnesium hydroxide, hydroxide
Aluminium and expansible graphite, wherein magnesium hydroxide are a kind of additive flame retardants, low cigarette, it is nontoxic, acid in combustion process can be neutralized
Property, corrosive gas, therefore be a kind of environment-friendly fire retardant, expansible graphite forms tough and tensile layer of charcoal in Polymer Surface,
Combustible and heat source are separated, while largely being absorbed heat in expansion process, the temperature of system, a few person's compound actions, shape are reduced
At Compositional type flame retardant effect, the flame retardant property of the plastic material of invention is substantially increased, improves its ability for resisting risk.
（3）A kind of compounding fiber of abrasion resistant fire blocking heat-conducting insulation material addition of the present invention includes increasing modulus fibre and toughening fibre
Dimension can improve the modulus and temperature capability of material, toughened fiber is mainly carbon wherein it is mainly glass fibre to increase modulus fibre
Fiber, boron fibre, polyimide fiber can effectively improve the flexibility of material, enhance the tensile strength and power of material
Learn performance.
（4）A kind of modified fibre of abrasion resistant fire blocking heat-conducting insulation material addition of the present invention, predominantly high-strength glass fibre,
Carbon fiber, boron fibre are operated by modified, can be effectively merged with rubber matrix, can either improve material
Mechanical strength and tensile strength, and the insulation performance of material is improved, material structure more densification product stable quality can be made
Property it is high.
（5）A kind of modified Nano additive of abrasion resistant fire blocking heat-conducting insulation material addition of the present invention, predominantly nano-sized carbon
SiClx, nano aluminium oxide, nano zine oxide, it can effectively improve the wear-resisting and heat conductivility of material to one side, on the other hand
There can also be certain bactericidal effect, the generation of mould can be effectively prevent, further increase material ageing-resistant performance.
（6）A kind of compounding rubber of abrasion resistant fire blocking heat-conducting insulation material addition of the present invention, the predominantly poly- isoamyl of high-cis
Diene rubber, butadiene-styrene rubber and chlorosulfonated polyethylene rubber have more excellent wear-resisting, high-low temperature resistant, ageing-resistant performance
And curingprocess rate, and chlorosulfonated polyethylene rubber has elasticity, cold resistance and very high tensile strength well, in resistance to oxidation and
Resistance to tongue tear is higher than natural rubber under multiple deformation condition, and a few person's compound actions make product have good wear-resisting, resistance to height
Temperature, ageing-resistant performance.
（7）A kind of abrasion resistant fire blocking heat-conducting insulation material of the present invention has good insulation, stretch-proof and wear-resisting performance,
Material conducts heat flame retardant effect is excellent, and cold-and-heat resistent impact, toughness are strong, and nontoxic free from extraneous odour, intensity high resiliency is good, and service life is longer,
Safety and environmental protection；The preparation method cost of the present invention is relatively low simultaneously, raw material is easy to get, technique is concise, have higher practical value and
Good application prospect.
Specific implementation mode
With reference to specific embodiment, technical scheme in the embodiment of the invention is clearly and completely described, shows
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
Embodiment 1.
A kind of abrasion resistant fire blocking heat-conducting insulation material of the present embodiment, includes the raw material of following parts by weight：
Compound 80 parts of rubber, 10 parts of wear-resisting additive, modified 8 parts of reinforcing fiber, 10 parts of fire-retardant additive, 3 parts of coupling agent, processing
7 parts of auxiliary agent, 6 parts of auxiliary agent of increasing property, 7 parts of modified Nano additive.
Wear-resisting additive in the present embodiment is calcium carbonate crystal whisker, barium sulfate crystal whisker and carbon nanotube according to weight ratio 3:2:
The mixture of 1 composition, the calcium carbonate crystal whisker and barium sulfate crystal whisker are tetrapod shaped whisker, the length of 20-40 μm, a diameter of 0
.05-1μm
Compounding rubber in the present embodiment be high cis-1,4-polyisoprene rubber, butadiene-styrene rubber and chlorosulfonated polyethylene rubber according to
Weight ratio 3:1:The mixture of 3 compositions.
The preparation method of modification reinforcing fiber in the present embodiment is：According to weight ratio by high-strength glass fibre, carbon fiber,
Boron fibre is according to weight ratio 4:2:1 is placed in grinder and grinds 2h so that the length of chopped carbon fiber is less than or equal to 0.5 μm, long
Diameter ratio is less than 10；The chopped carbon fiber after grinding is infiltrated using acrylic copolymer again；Low-carbon polyhydroxy is used later
Alcohol to the chopped carbon fiber after infiltration coated to get.
Fire-retardant additive in the present embodiment is magnesium hydroxide, aluminium hydroxide and expansible graphite according to weight ratio 2:1:5
The mixture of composition；
The expansible graphite by natural graphite through concentrated sulfuric acid acidification, then through washing, filtering, it is dry after, then in 900-
It is puffing at 1000 DEG C to be made.
Processing aid in the present embodiment is vulcanizing agent, crosslinking agent, plasticizer according to weight ratio 3:1:The mixing of 1 composition
Object, the vulcanizing agent are Cosan, and the crosslinking agent is the dual-tert-butyl diisopropyl peroxide that substance content is more than 90%,
The plasticizer is dioctyl adipate；
The increasing property auxiliary agent is antioxidant, lubricant, ultraviolet screener according to weight ratio 1:3:The mixture of 1 composition, it is described anti-
Oxygen agent is pentaerythritol ester, and the lubricant is zinc stearate and calcium stearate according to weight ratio 2:The mixture of 1 composition, it is described
UV resistant agent is benzophenone.
Modified Nano additive preparation method in the present embodiment is：By nanometer silicon carbide, nano aluminium oxide, nano oxidized
Zinc is according to weight ratio 4:3:1 send to surface processing trough, and barium stearate dispersant and water is then added, control temperature at 50 DEG C,
Rotating speed is that 300r/min stirs 10min, then supersonic generator is added in dispersion liquid, adds alkylnaphthalene sulfonate and polypropylene
Sour sodium composite modifier, the ultrasound 30min in the case where temperature is 50 DEG C, frequency is 50KHz dry, pulverize through filtering, be sieved, i.e.,
.
The preparation method of the abrasion resistant fire blocking heat-conducting insulation material of the present embodiment, includes the following steps：
Step 1 weighs each component raw material as required；
Step 2 wear-resisting additive, fire-retardant additive, modified Nano addition compound coupling agent is added in homogenizer, in temperature
Degree is 80 DEG C, under speed of agitator 300r/min, and stirring obtains mixture A until coupling agent melts to absorb；
Step 3: will compounding rubber, processing aid be 160 DEG C in temperature at mixing 10 minutes, add the mixed of step 2 preparation
Object A is closed, is warming up to 180 DEG C, is kneaded 20 minutes, increasing property auxiliary agent is added and continues stirring mixing 3 minutes, obtain mixture B；
Mixture B prepared by step 3 is sent in open mill by step 4, thin 10 times logical through three rollers in open mill, roller temperature
Control is 80 DEG C, it is thin it is logical after the completion of sizing material is cut into corresponding size film it is spare, film is sent in molding machine, by mould
Pressure obtains the insulation sheet rubber of required specification, the abrasion resistant fire blocking heat-conducting insulation material invented.
Embodiment 2.
A kind of abrasion resistant fire blocking heat-conducting insulation material of the present embodiment, includes the raw material of following parts by weight：
It compounds 120 parts of rubber, 20 parts of wear-resisting additive, modified 14 parts of reinforcing fiber, 14 parts of fire-retardant additive, 5 parts of coupling agent, add
9 parts of work auxiliary agent, 8 parts of auxiliary agent of increasing property, 9 parts of modified Nano additive.
Wear-resisting additive in the present embodiment is calcium carbonate crystal whisker, barium sulfate crystal whisker and carbon nanotube according to weight ratio 3:2:
The mixture of 1 composition, the calcium carbonate crystal whisker and barium sulfate crystal whisker are tetrapod shaped whisker, the length of 20-40 μm, a diameter of 0
.05-1μm
Compounding rubber in the present embodiment be high cis-1,4-polyisoprene rubber, butadiene-styrene rubber and chlorosulfonated polyethylene rubber according to
Weight ratio 3:1:The mixture of 3 compositions.
The preparation method of modification reinforcing fiber in the present embodiment is：According to weight ratio by high-strength glass fibre, carbon fiber,
Boron fibre is according to weight ratio 4:2:1 is placed in grinder and grinds 4h so that the length of chopped carbon fiber is less than or equal to 0.5 μm, long
Diameter ratio is less than 10；The chopped carbon fiber after grinding is infiltrated using acrylic copolymer again；Low-carbon polyhydroxy is used later
Alcohol to the chopped carbon fiber after infiltration coated to get.
Fire-retardant additive in the present embodiment is magnesium hydroxide, aluminium hydroxide and expansible graphite according to weight ratio 2:1:5
The mixture of composition；
The expansible graphite by natural graphite through concentrated sulfuric acid acidification, then through washing, filtering, it is dry after, then in 900-
It is puffing at 1000 DEG C to be made.
Processing aid in the present embodiment is vulcanizing agent, crosslinking agent, plasticizer according to weight ratio 3:1:The mixing of 1 composition
Object, the vulcanizing agent are Cosan, and the crosslinking agent is the dual-tert-butyl diisopropyl peroxide that substance content is more than 90%,
The plasticizer is dioctyl adipate；
The increasing property auxiliary agent is antioxidant, lubricant, ultraviolet screener according to weight ratio 1:3:The mixture of 1 composition, it is described anti-
Oxygen agent is pentaerythritol ester, and the lubricant is zinc stearate and calcium stearate according to weight ratio 2:The mixture of 1 composition, it is described
UV resistant agent is benzophenone.
Modified Nano additive preparation method in the present embodiment is：By nanometer silicon carbide, nano aluminium oxide, nano oxidized
Zinc is according to weight ratio 4:3:1 send to surface processing trough, and barium stearate dispersant and water is then added, control temperature at 70 DEG C,
Rotating speed is that 500r/min stirs 20min, then supersonic generator is added in dispersion liquid, adds alkylnaphthalene sulfonate and polypropylene
Sour sodium composite modifier, the ultrasound 60min in the case where temperature is 70 DEG C, frequency is 70KHz dry, pulverize through filtering, be sieved, i.e.,
.
The preparation method of the abrasion resistant fire blocking heat-conducting insulation material of the present embodiment, includes the following steps：
Step 1 weighs each component raw material as required；
Step 2 wear-resisting additive, fire-retardant additive, modified Nano addition compound coupling agent is added in homogenizer, in temperature
Degree is 90 DEG C, under speed of agitator 400r/min, and stirring obtains mixture A until coupling agent melts to absorb；
Step 3: will compounding rubber, processing aid be 170 DEG C in temperature at mixing 14 minutes, add the mixed of step 2 preparation
Object A is closed, is warming up to 200 DEG C, is kneaded 30 minutes, increasing property auxiliary agent is added and continues stirring mixing 5 minutes, obtain mixture B；
Mixture B prepared by step 3 is sent in open mill by step 4, thin 15 times logical through three rollers in open mill, roller temperature
Control is 90 DEG C, it is thin it is logical after the completion of sizing material is cut into corresponding size film it is spare, film is sent in molding machine, by mould
Pressure obtains the insulation sheet rubber of required specification, the abrasion resistant fire blocking heat-conducting insulation material invented.
Embodiment 3.
A kind of abrasion resistant fire blocking heat-conducting insulation material of the present embodiment, includes the raw material of following parts by weight：
It compounds 100 parts of rubber, 15 parts of wear-resisting additive, modified 11 parts of reinforcing fiber, 12 parts of fire-retardant additive, 4 parts of coupling agent, add
8 parts of work auxiliary agent, 7 parts of auxiliary agent of increasing property, 8 parts of modified Nano additive.
Wear-resisting additive in the present embodiment is calcium carbonate crystal whisker, barium sulfate crystal whisker and carbon nanotube according to weight ratio 3:2:
The mixture of 1 composition, the calcium carbonate crystal whisker and barium sulfate crystal whisker are tetrapod shaped whisker, the length of 20-40 μm, a diameter of 0
.05-1μm
Compounding rubber in the present embodiment be high cis-1,4-polyisoprene rubber, butadiene-styrene rubber and chlorosulfonated polyethylene rubber according to
Weight ratio 3:1:The mixture of 3 compositions.
The preparation method of modification reinforcing fiber in the present embodiment is：According to weight ratio by high-strength glass fibre, carbon fiber,
Boron fibre is according to weight ratio 4:2:1 is placed in grinder and grinds 3h so that the length of chopped carbon fiber is less than or equal to 0.5 μm, long
Diameter ratio is less than 10；The chopped carbon fiber after grinding is infiltrated using acrylic copolymer again；Low-carbon polyhydroxy is used later
Alcohol to the chopped carbon fiber after infiltration coated to get.
Fire-retardant additive in the present embodiment is magnesium hydroxide, aluminium hydroxide and expansible graphite according to weight ratio 2:1:5
The mixture of composition；
The expansible graphite by natural graphite through concentrated sulfuric acid acidification, then through washing, filtering, it is dry after, then in 900-
It is puffing at 1000 DEG C to be made.
Processing aid in the present embodiment is vulcanizing agent, crosslinking agent, plasticizer according to weight ratio 3:1:The mixing of 1 composition
Object, the vulcanizing agent are Cosan, and the crosslinking agent is the dual-tert-butyl diisopropyl peroxide that substance content is more than 90%,
The plasticizer is dioctyl adipate；
The increasing property auxiliary agent is antioxidant, lubricant, ultraviolet screener according to weight ratio 1:3:The mixture of 1 composition, it is described anti-
Oxygen agent is pentaerythritol ester, and the lubricant is zinc stearate and calcium stearate according to weight ratio 2:The mixture of 1 composition, it is described
UV resistant agent is benzophenone.
Modified Nano additive preparation method in the present embodiment is：By nanometer silicon carbide, nano aluminium oxide, nano oxidized
Zinc is according to weight ratio 4:3:1 send to surface processing trough, and barium stearate dispersant and water is then added, control temperature at 60 DEG C,
Rotating speed is that 400r/min stirs 15min, then supersonic generator is added in dispersion liquid, adds alkylnaphthalene sulfonate and polypropylene
Sour sodium composite modifier, the ultrasound 45min in the case where temperature is 60 DEG C, frequency is 60KHz dry, pulverize through filtering, be sieved, i.e.,
.
The preparation method of the abrasion resistant fire blocking heat-conducting insulation material of the present embodiment, includes the following steps：
Step 1 weighs each component raw material as required；
Step 2 wear-resisting additive, fire-retardant additive, modified Nano addition compound coupling agent is added in homogenizer, in temperature
Degree is 85 DEG C, under speed of agitator 350r/min, and stirring obtains mixture A until coupling agent melts to absorb；
Step 3: will compounding rubber, processing aid be 165 DEG C in temperature at mixing 12 minutes, add the mixed of step 2 preparation
Object A is closed, is warming up to 190 DEG C, is kneaded 25 minutes, increasing property auxiliary agent is added and continues stirring mixing 4 minutes, obtain mixture B；
Mixture B prepared by step 3 is sent in open mill by step 4, thin 13 times logical through three rollers in open mill, roller temperature
Control is 85 DEG C, it is thin it is logical after the completion of sizing material is cut into corresponding size film it is spare, film is sent in molding machine, by mould
Pressure obtains the insulation sheet rubber of required specification, the abrasion resistant fire blocking heat-conducting insulation material invented.
A kind of abrasion resistant fire blocking heat-conducting insulation material of the present invention has good insulation, stretch-proof and wear-resisting performance, material
Expect heat conductive flame-retarding excellent effect, cold-and-heat resistent impact, toughness are strong, and nontoxic free from extraneous odour, intensity high resiliency is good, and service life is longer, peace
Loopful is protected；The preparation method cost of the present invention is relatively low simultaneously, raw material is easy to get, technique is concise, has higher practical value and good
Good application prospect.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (10)
1. a kind of abrasion resistant fire blocking heat-conducting insulation material, which is characterized in that include the raw material of following parts by weight：
Compound 80-120 part of rubber, it is additive 10-20 parts wear-resisting, modification 8-14 parts of reinforcing fiber, it is additive 10-14 parts fire-retardant,
3-5 parts of coupling agent, 7-9 parts of processing aid, 6-8 parts of auxiliary agent of increasing property, 7-9 parts of modified Nano additive.
2. a kind of abrasion resistant fire blocking heat-conducting insulation material according to claim 1, which is characterized in that the abrasion resistant fire blocking heat conduction
Insulating materials includes the raw material of following parts by weight：
It compounds 100 parts of rubber, 15 parts of wear-resisting additive, modified 11 parts of reinforcing fiber, 12 parts of fire-retardant additive, 4 parts of coupling agent, add
8 parts of work auxiliary agent, 7 parts of auxiliary agent of increasing property, 8 parts of modified Nano additive.
3. a kind of abrasion resistant fire blocking heat-conducting insulation material according to claim 1 or 2, which is characterized in that the wear-resisting addition
Object is calcium carbonate crystal whisker, barium sulfate crystal whisker and carbon nanotube according to weight ratio 3:2:The mixture of 1 composition, the calcium carbonate crystal whisker
It is tetrapod shaped whisker with barium sulfate crystal whisker, the length of 20-40 μm, a diameter of 0 .05-1 μm.
4. a kind of abrasion resistant fire blocking heat-conducting insulation material according to claim 1 or 2, which is characterized in that the compounding rubber
It is high cis-1,4-polyisoprene rubber, butadiene-styrene rubber and chlorosulfonated polyethylene rubber according to weight ratio 3:1:The mixture of 3 compositions.
5. a kind of abrasion resistant fire blocking heat-conducting insulation material according to claim 1 or 2, which is characterized in that the modified enhancing
The preparation method of fiber is：According to weight ratio by high-strength glass fibre, carbon fiber, boron fibre according to weight ratio 4:2:1 is placed in and grinds
2-4h is ground in grinding machine so that the length of chopped carbon fiber is less than or equal to 0.5 μm, and draw ratio is less than 10；It is total using acrylic acid again
Polymers infiltrates the chopped carbon fiber after grinding；Low-carbon polyhydroxy-alcohol is used to carry out the chopped carbon fiber after infiltration later
Cladding to get.
6. a kind of abrasion resistant fire blocking heat-conducting insulation material according to claim 1 or 2, which is characterized in that the fire-retardant addition
Object is magnesium hydroxide, aluminium hydroxide and expansible graphite according to weight ratio 2:1:The mixture of 5 compositions；
The expansible graphite by natural graphite through concentrated sulfuric acid acidification, then through washing, filtering, it is dry after, then in 900-
It is puffing at 1000 DEG C to be made.
7. a kind of abrasion resistant fire blocking heat-conducting insulation material according to claim 1 or 2, which is characterized in that the processing aid
It is vulcanizing agent, crosslinking agent, plasticizer according to weight ratio 3:1:The mixture of 1 composition, the vulcanizing agent are Cosan, the crosslinking
Agent is the dual-tert-butyl diisopropyl peroxide that substance content is more than 90%, and the plasticizer is dioctyl adipate；
The increasing property auxiliary agent is antioxidant, lubricant, ultraviolet screener according to weight ratio 1:3:The mixture of 1 composition, it is described anti-
Oxygen agent is pentaerythritol ester, and the lubricant is zinc stearate and calcium stearate according to weight ratio 2:The mixture of 1 composition, it is described
UV resistant agent is benzophenone.
8. a kind of abrasion resistant fire blocking heat-conducting insulation material according to claim 1 or 2, which is characterized in that the modified Nano
Additive preparation method is：By nanometer silicon carbide, nano aluminium oxide, nano zine oxide according to weight ratio 4:3:1 send to surface
Slot is managed, barium stearate dispersant and water is then added, control temperature is that 300-500r/min stirs 10- in rotating speed at 50-70 DEG C
20min, then supersonic generator is added in dispersion liquid, alkylnaphthalene sulfonate and Sodium Polyacrylate composite modifier are added,
Temperature is 50-70 DEG C, frequency is ultrasound 30-60min under 50-70KHz, through filtering, dry, pulverize, sieving to get.
9. a kind of method preparing abrasion resistant fire blocking heat-conducting insulation material as claimed in claim 1 or 2, which is characterized in that including with
Lower step：
Step 1 weighs each component raw material as required；
Step 2 wear-resisting additive, fire-retardant additive, modified Nano addition compound coupling agent is added in homogenizer, in temperature
Degree is 80-90 DEG C, under speed of agitator 300-400r/min, and stirring obtains mixture A until coupling agent melts to absorb；
Step 3: will compounding rubber, processing aid be 160-170 DEG C in temperature at mixing 10-14 minutes, add step 2 system
Standby mixture A is warming up to 180-200 DEG C, is kneaded 20-30 minutes, adds increasing property auxiliary agent and continues stirring mixing 3-5 minutes,
Obtain mixture B；
Mixture B prepared by step 3 is sent in open mill, thin 10-15 times logical through three rollers in open mill, roller by step 4
Temperature control is made as 80-90 DEG C, it is thin it is logical after the completion of sizing material is cut into corresponding size film it is spare, film is sent in molding machine,
The insulation sheet rubber of required specification is obtained by molding, the abrasion resistant fire blocking heat-conducting insulation material invented.
10. a kind of preparation method of abrasion resistant fire blocking heat-conducting insulation material according to claim 9, which is characterized in that described
Step is：
Step 1 weighs each component raw material as required；
Step 2 wear-resisting additive, fire-retardant additive, modified Nano addition compound coupling agent is added in homogenizer, in temperature
Degree is 85 DEG C, under speed of agitator 350r/min, and stirring obtains mixture A until coupling agent melts to absorb；
Step 3: will compounding rubber, processing aid be 165 DEG C in temperature at mixing 12 minutes, add the mixed of step 2 preparation
Object A is closed, is warming up to 190 DEG C, is kneaded 25 minutes, increasing property auxiliary agent is added and continues stirring mixing 4 minutes, obtain mixture B；
Mixture B prepared by step 3 is sent in open mill by step 4, thin 13 times logical through three rollers in open mill, roller temperature
Control is 85 DEG C, it is thin it is logical after the completion of sizing material is cut into corresponding size film it is spare, film is sent in molding machine, by mould
Pressure obtains the insulation sheet rubber of required specification, the abrasion resistant fire blocking heat-conducting insulation material invented.
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| CN110218413A (en) * | 2019-05-05 | 2019-09-10 | 武汉楚辰新材料科技有限公司 | It is a kind of for producing the composite material and its manufacturing method of choke transformer cabinet |
| CN115029946A (en) * | 2022-06-29 | 2022-09-09 | 界首市宏利塑料股份有限公司 | Wear-resistant PE plastic rope and production process thereof |
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