CN109135296A - Cable cracking resistance silicone rubber jacket material and preparation method thereof - Google Patents
Cable cracking resistance silicone rubber jacket material and preparation method thereof Download PDFInfo
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- CN109135296A CN109135296A CN201811013242.9A CN201811013242A CN109135296A CN 109135296 A CN109135296 A CN 109135296A CN 201811013242 A CN201811013242 A CN 201811013242A CN 109135296 A CN109135296 A CN 109135296A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/46—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes silicones
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention proposes a kind of cable cracking resistance silicone rubber jacket materials, including following raw material: methyl vinyl silicone rubber, natural rubber, polyurethane elastomer, vulcanizing agent, promotor, paraffin, hydroxy silicon oil, plasticizer, lubricant, carbon black, silicon powder, fire-retardant reinforcing agent and filler；Plasticizer is mixed by dibutyl phthalate and tri-n-butyl citrate, and fire-retardant reinforcing agent is mainly prepared by hydrotalcite powder, diatomite, nano silica, carboxymethyl cellulose and coupling agent.Preparation method: above-mentioned raw materials are put into mixer and carry out mixing, then it is transferred to the thin logical clot of open mill, the film that Bao Tonghou is broken into puts into three rollers and rolles over page machine rolling page, cutting, and chilling roll is opened into cooling water, film after cutting is passed through into chilling roll, it is then passed through isolation powder tank, film is made.Cable cracking resistance silicone rubber jacket material not only good flame-proof environmental protection performance, and tensile strength and crack resistance are excellent.
Description
Technical field
The invention belongs to field of cable technology, and in particular to a kind of cable cracking resistance silicone rubber jacket material and its preparation side
Method.
Background technique
You Duojia cable manufacturing enterprise of the country is researched and developed in recent years, produced low temperature resistant, UV resistant, oil resistant,
The cable for wind power generation of anti-torsion becomes enterprise's new growth engines.In recent years, all trades and professions are all advocating safety collar
It protects, certain wires and cables industry is no exception.
Silicon rubber is one kind using Si-O key as main chain, with organic group (such as methyl, vinyl, the benzene being connected with Si atom
Base etc.) be side chain cross-linkable solidifying macromolecular elastomer.Since silicon rubber has excellent high and low temperature resistance and anti-ageing
Change performance, it can be within the scope of very wide temperature the features such as (- 50 DEG C~200 DEG C) long-time services, at present in electric, machine
The fields such as tool, automobile, chemical industry, Aeronautics and Astronautics, ship are widely used and the common material of field of cables.But silicon rubber itself
Open fire meeting sustained combustion is encountered, deposits the less desirable defect of flame retardant property with its cable made, it is limited and is passed through in its people
The application in each field of Ji especially has the occasion of particular/special requirement to anti-flammability, generally requires to be modified it.
Methyl vinyl silicone rubber has the performances such as good high and low temperature resistance, corrosion resistance, oil resistant, solvent resistant, and
Incompressible permanent deformation performance is good, and compressed shape is lower, and has preferable supportive at high temperature, therefore can be used as cable cover(ing)
The raw material of material uses, but the mechanical performance of methyl vinyl silicone rubber is lower, and cracking resistance is lower, can greatly shorten cable
The service life of sheath material.
Summary of the invention
The present invention proposes a kind of cable cracking resistance silicone rubber jacket material, the cable with cracking resistance silicone rubber jacket material not only
Good flame-proof environmental protection performance, and tensile strength and crack resistance are excellent.
The technical scheme of the present invention is realized as follows:
A kind of cable cracking resistance silicone rubber jacket material, including following raw material:
75~85 parts of methyl vinyl silicone rubber, 10~15 parts of natural rubber, 16~22 parts of polyurethane elastomer, vulcanizing agent
3~9 parts, 1~3 part of promotor, 4~8 parts of paraffin, 0.4~0.8 part of hydroxy silicon oil, 8~16 parts of plasticizer, 2~6 parts of lubricant,
8~16 parts of carbon black, 5~10 parts of silicon powder, 5~10 parts of fire-retardant reinforcing agent and 4~8 parts of filler；The plasticizer is by O-phthalic
Dibutyl phthalate and tri-n-butyl citrate mix, and the fire-retardant reinforcing agent is mainly by hydrotalcite powder, diatomite, nano-silica
SiClx, carboxymethyl cellulose and coupling agent are prepared.
Preferably, the fire-retardant reinforcing agent preparation method the following steps are included:
1) 40~50 parts of hydrotalcite powder, 20~30 parts of diatomite, nano silica 10 according to the number of parts by weight, are weighed
~15 parts, 3~6 parts of carboxymethyl cellulose and 0.6~1.8 part of coupling agent are spare；
2) hydrotalcite powder, diatomite, nano silica and carboxymethyl cellulose are added to dimethyl acetamide first
In be stirred dispersion and obtain dispersion liquid；
3) dispersion liquid of step 2) is warming up to 80~90 DEG C of addition coupling agents to stir and evenly mix, keeps the temperature 3~4h, then cools down
To room temperature.
Preferably, the coupling agent is KH560, KH550 or KH570.
Preferably, the vulcanizing agent is the mixing of ethoxylated trimethylolpropane triacrylate and benzoyl peroxide
Object.
Preferably, the promotor is tetramethylthiuram disulfide.
Preferably, the lubricant is polyethylene wax, stearic acid or zinc stearate.
Preferably, the filler is clay or calcium carbonate.
It is a further object to provide a kind of cable preparation methods of cracking resistance silicone rubber jacket material, including with
Lower step:
1) methyl vinyl silicone rubber, natural rubber, polyurethane elastomer, vulcanizing agent, promotor, stone are weighed according to the proportion
Wax, hydroxy silicon oil, plasticizer, lubricant, carbon black, silicon powder, fire-retardant reinforcing agent and filler are spare；
2) primary to be kneaded: by methyl vinyl silicone rubber, natural rubber, polyurethane elastomer, paraffin, hydroxy silicon oil, profit
Lubrication prescription and plasticizer, which are added in mixer, puts down floating weight, and smelting temperature is 130~150 DEG C, 2~4min of mixing time, so
After lift floating weight, put down floating weight after 10~20s again, mixing 1~3 minute, lift floating weight, open Turnover bunker, will
Mixture is routed up, and is transferred to the thin logical clot of open mill, is parked be cooled to room temperature at room temperature；
3) secondary mixing: by the obtained mixture of step 2), promotor, carbon black, silicon powder, fire-retardant reinforcing agent and
Filler is added in mixer, puts down floating weight, and smelting temperature is 110~130 DEG C, then 30~60s of mixing time lifts top
Bolt places into vulcanizing agent, puts down floating weight, and smelting temperature is 140~160 DEG C, and 30~50s of mixing time lifts floating weight, opens
Turnover bunker is opened, mixture is routed up, is transferred to the thin logical clot of open mill；
4) roll over page slice: the film that Bao Tonghou is broken into puts into three rollers and rolles over page machine rolling page, cutting, and chilling roll is opened
Film after cutting is passed through chilling roll, is then passed through isolation powder tank, film is made by cooling water.
Beneficial effects of the present invention:
1, cable of the invention is used in cracking resistance silicone rubber jacket material mainly by hydrotalcite powder, diatomite, nanometer two
The fire-retardant reinforcing agent that silica, carboxymethyl cellulose and coupling agent are prepared carries out hydrotalcite powder by silane coupling agent
Modification can not only improve except the flame retardant property of its own, can be good with silicon rubber self-consistent, fire-retardant before avoiding
The problem of reinforcing agent additive amount excessive bring mechanical properties decrease.Cable cracking resistance silicone rubber jacket material oxygen of the invention refers to
Number is greater than 38, and testing vertical flammability passes through V-0 grades of UL94 standard.It is also added with silicon powder and carbon black in sheath material, not only may be used
The radiating efficiency of rubber is improved, the ageing-resistant of rubber, cold tolerance are good, and conductive and antistatic property is also remarkably reinforced.
2, methyl vinyl silicone rubber and polyurethane elastomer, natural rubber are mutually cooperated with proper ratio, can be with
Substantially improve the mechanical performance, tensile strength and toughness of methyl vinyl silicone rubber；With ethoxylated trimethylolpropane 3 third
The mixture of olefin(e) acid ester and benzoyl peroxide is as vulcanizing agent, it is easier to vulcanize to methyl vinyl silicone rubber, significantly
Improve the thermal stability of sheath material.
Specific embodiment
Embodiment 1
The preparation method of fire-retardant reinforcing agent the following steps are included:
1) 40 parts of hydrotalcite powder, 30 parts of diatomite, 10 parts of nano silica, carboxylic first according to the number of parts by weight, are weighed
3 parts of base cellulose and KH5600.6 parts of coupling agent it is spare；
2) hydrotalcite powder, diatomite, nano silica and carboxymethyl cellulose are added to dimethyl acetamide first
In be stirred dispersion and obtain dispersion liquid；
3) dispersion liquid of step 2) is warming up to 90 DEG C of addition coupling agent KH560 to stir and evenly mix, keeps the temperature 3h, is then cooled to
Room temperature.
Embodiment 2
The preparation method of fire-retardant reinforcing agent the following steps are included:
1) 50 parts of hydrotalcite powder, 20 parts of diatomite, 15 parts of nano silica, carboxylic first according to the number of parts by weight, are weighed
6 parts of base cellulose and KH5701.8 parts of coupling agent it is spare；
2) hydrotalcite powder, diatomite, nano silica and carboxymethyl cellulose are added to dimethyl acetamide first
In be stirred dispersion and obtain dispersion liquid；
3) dispersion liquid of step 2) is warming up to 80 DEG C of addition coupling agent KH570 to stir and evenly mix, keeps the temperature 4h, is then cooled to
Room temperature.
Embodiment 3
A kind of cable cracking resistance silicone rubber jacket material, including following raw material:
80 parts of methyl vinyl silicone rubber, 12 parts of natural rubber, 19 parts of polyurethane elastomer, ethoxylation trihydroxy methyl third
5 parts of alkane triacrylate, 2 parts of tetramethylthiuram disulfide, 6 parts of paraffin, 0.6 part of hydroxy silicon oil, 12 parts of plasticizer, polyethylene
4 parts of wax, 12 parts of carbon black, 7 parts of silicon powder, 8 parts of the fire-retardant reinforcing agent of embodiment 1 and 6 parts of diatomite.Plasticizer is by phthalic acid
Dibutyl ester and tri-n-butyl citrate mix.
The preparation method of cable cracking resistance silicone rubber jacket material:
1) methyl vinyl silicone rubber, natural rubber, polyurethane elastomer, ethoxylation trihydroxy methyl are weighed according to the proportion
Propane triacrylate, tetramethylthiuram disulfide, paraffin, hydroxy silicon oil, plasticizer, polyethylene wax, carbon black, silicon powder,
The fire-retardant reinforcing agent and clay of embodiment 1 are spare；
2) primary to be kneaded: by methyl vinyl silicone rubber, natural rubber, polyurethane elastomer, paraffin, hydroxy silicon oil, to gather
Ethylene waxes and plasticizer, which are added in mixer, puts down floating weight, and smelting temperature is 140 DEG C, then mixing time 3min lifts
Floating weight puts down floating weight after 15s again, mixing 2 minutes, lifts floating weight, open Turnover bunker, mixture is routed up, turn
Enter the thin logical clot of open mill, parks be cooled to room temperature at room temperature；
3) secondary mixing: by the obtained mixture of step 2), tetramethylthiuram disulfide, carbon black, silicon powder,
The fire-retardant reinforcing agent and diatomite of embodiment 1 are added in mixer, put down floating weight, and smelting temperature is 120 DEG C, mixing time
Then 40s lifts floating weight, place into ethoxylated trimethylolpropane triacrylate, puts down floating weight, and smelting temperature is
150 DEG C, mixing time 30s, lift floating weight, opens Turnover bunker, mixture is routed up, the thin logical clot of open mill is transferred to；
4) roll over page slice: the film that Bao Tonghou is broken into puts into three rollers and rolles over page machine rolling page, cutting, and chilling roll is opened
Film after cutting is passed through chilling roll, is then passed through isolation powder tank, film is made by cooling water.
Embodiment 4
A kind of cable cracking resistance silicone rubber jacket material, including following raw material:
75 parts of methyl vinyl silicone rubber, 10 parts of natural rubber, 22 parts of polyurethane elastomer, ethoxylation trihydroxy methyl third
3 parts of alkane triacrylate, 1 part of tetramethylthiuram disulfide, 8 parts of paraffin, 0.4 part of hydroxy silicon oil, 8 parts of plasticizer, stearic acid
2 parts of zinc, 8 parts of carbon black, 5 parts of silicon powder, 5 parts of the fire-retardant reinforcing agent of embodiment 2 and 4 parts of diatomite.Plasticizer is by phthalic acid
Dibutyl ester and tri-n-butyl citrate mix.
The preparation method of cable cracking resistance silicone rubber jacket material:
1) methyl vinyl silicone rubber, natural rubber, polyurethane elastomer, ethoxylation trihydroxy methyl are weighed according to the proportion
Propane triacrylate, tetramethylthiuram disulfide, paraffin, hydroxy silicon oil, plasticizer, zinc stearate, carbon black, silicon powder,
The fire-retardant reinforcing agent and clay of embodiment 2 are spare；
2) primary to be kneaded: by methyl vinyl silicone rubber, natural rubber, polyurethane elastomer, paraffin, hydroxy silicon oil, hard
Resin acid zinc and plasticizer, which are added in mixer, puts down floating weight, and smelting temperature is 130 DEG C, then mixing time 4min lifts
Floating weight puts down floating weight after 10s again, mixing 3 minutes, lifts floating weight, open Turnover bunker, mixture is routed up, turn
Enter the thin logical clot of open mill, parks be cooled to room temperature at room temperature；
3) secondary mixing: by the obtained mixture of step 2), tetramethylthiuram disulfide, carbon black, silicon powder,
The fire-retardant reinforcing agent and diatomite of embodiment 2 are added in mixer, put down floating weight, and smelting temperature is 110 DEG C, mixing time
Then 60s lifts floating weight, place into ethoxylated trimethylolpropane triacrylate, puts down floating weight, and smelting temperature is
140 DEG C, mixing time 50s, lift floating weight, opens Turnover bunker, mixture is routed up, the thin logical clot of open mill is transferred to；
4) roll over page slice: the film that Bao Tonghou is broken into puts into three rollers and rolles over page machine rolling page, cutting, and chilling roll is opened
Film after cutting is passed through chilling roll, is then passed through isolation powder tank, film is made by cooling water.
Embodiment 5
A kind of cable cracking resistance silicone rubber jacket material, including following raw material:
80 parts of methyl vinyl silicone rubber, 15 parts of natural rubber, 16 parts of polyurethane elastomer, ethoxylation trihydroxy methyl third
9 parts of alkane triacrylate, 3 parts of tetramethylthiuram disulfide, 4 parts of paraffin, 0.8 part of hydroxy silicon oil, 16 parts of plasticizer, stearic acid
6 parts, 16 parts of carbon black, 10 parts of silicon powder, 10 parts of the fire-retardant reinforcing agent of embodiment 1 and 8 parts of calcium carbonate.Plasticizer is by phthalic acid
Dibutyl ester and tri-n-butyl citrate mix.
The preparation method of cable cracking resistance silicone rubber jacket material:
1) methyl vinyl silicone rubber, natural rubber, polyurethane elastomer, ethoxylation trihydroxy methyl are weighed according to the proportion
Propane triacrylate, tetramethylthiuram disulfide, paraffin, hydroxy silicon oil, plasticizer, lubricant, carbon black, silicon powder, reality
Fire-retardant reinforcing agent and the filler for applying example 1 are spare；
2) primary to be kneaded: by methyl vinyl silicone rubber, natural rubber, polyurethane elastomer, paraffin, hydroxy silicon oil, hard
Resin acid and plasticizer, which are added in mixer, puts down floating weight, and smelting temperature is 150 DEG C, then mixing time 2min lifts
Bolt is pushed up, floating weight is put down after 20s again, mixing 1 minute, lifts floating weight, open Turnover bunker, mixture is routed up, is transferred to
The thin logical clot of open mill, parks be cooled to room temperature at room temperature；
3) secondary mixing: by the obtained mixture of step 2), tetramethylthiuram disulfide, carbon black, silicon powder,
The fire-retardant reinforcing agent and calcium carbonate of embodiment 1 are added in mixer, put down floating weight, and smelting temperature is 110 DEG C, mixing time
Then 30s lifts floating weight, place into ethoxylated trimethylolpropane triacrylate, puts down floating weight, and smelting temperature is
140 DEG C, mixing time 40s, lift floating weight, opens Turnover bunker, mixture is routed up, the thin logical clot of open mill is transferred to；
4) roll over page slice: the film that Bao Tonghou is broken into puts into three rollers and rolles over page machine rolling page, cutting, and chilling roll is opened
Film after cutting is passed through chilling roll, is then passed through isolation powder tank, film is made by cooling water.
Test example
The cable of embodiment 3~5 is tested for the property with cracking resistance silicone rubber jacket material, the results are shown in Table 1.
Table 1
| Standard | Embodiment 3 | Embodiment 4 | Embodiment 5 | |
| Tensile strength, MPa | GB/T528 | 16.8 | 16.5 | 17.1 |
| Shore hardness A | 60 | 59 | 62 | |
| Elongation at break, % | 265 | 261 | 268 |
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of cable cracking resistance silicone rubber jacket material, which is characterized in that according to the number of parts by weight, including following raw material:
75~85 parts of methyl vinyl silicone rubber, 10~15 parts of natural rubber, 16~22 parts of polyurethane elastomer, vulcanizing agent 3~9
Part, 1~3 part of promotor, 4~8 parts of paraffin, 0.4~0.8 part of hydroxy silicon oil, 8~16 parts of plasticizer, 2~6 parts of lubricant, carbon black
8~16 parts, 5~10 parts of silicon powder, 5~10 parts of fire-retardant reinforcing agent and 4~8 parts of filler；The plasticizer is by phthalic acid two
Butyl ester and tri-n-butyl citrate mix, and the fire-retardant reinforcing agent is mainly by hydrotalcite powder, diatomite, nanometer titanium dioxide
Silicon, carboxymethyl cellulose and coupling agent are prepared.
2. cable according to claim 1 cracking resistance silicone rubber jacket material, which is characterized in that the fire-retardant reinforcing agent
Preparation method the following steps are included:
1) 40~50 parts of hydrotalcite powder, 20~30 parts of diatomite, nano silica 10~15 according to the number of parts by weight, are weighed
Part, 3~6 parts of carboxymethyl cellulose and 0.6~1.8 part of coupling agent it is spare；
2) first by hydrotalcite powder, diatomite, nano silica and carboxymethyl cellulose be added in dimethyl acetamide into
Row is dispersed with stirring to obtain dispersion liquid；
3) dispersion liquid of step 2) is warming up to 80~90 DEG C of addition coupling agents to stir and evenly mix, keeps the temperature 3~4h, is then cooled to room
Temperature.
3. cable according to claim 2 cracking resistance silicone rubber jacket material, which is characterized in that the coupling agent is
KH560, KH550 or KH570.
4. cable according to claim 1 cracking resistance silicone rubber jacket material, which is characterized in that the vulcanizing agent is ethoxy
The mixture of base trimethylolpropane trimethacrylate and benzoyl peroxide.
5. cable according to claim 1 cracking resistance silicone rubber jacket material, which is characterized in that the promotor is two sulphur
Change tetra methylthiuram.
6. cable according to claim 1 cracking resistance silicone rubber jacket material, which is characterized in that the lubricant is poly- second
Alkene wax, stearic acid or zinc stearate.
7. cable according to claim 1 cracking resistance silicone rubber jacket material, which is characterized in that the filler be clay or
Person's calcium carbonate.
8. the cable as described in claim 1 preparation method of cracking resistance silicone rubber jacket material, which is characterized in that including following
Step:
1) weigh according to the proportion methyl vinyl silicone rubber, natural rubber, polyurethane elastomer, vulcanizing agent, promotor, paraffin,
Hydroxy silicon oil, plasticizer, lubricant, carbon black, silicon powder, fire-retardant reinforcing agent and filler are spare；
2) primary to be kneaded: by methyl vinyl silicone rubber, natural rubber, polyurethane elastomer, paraffin, hydroxy silicon oil, lubricant
And plasticizer is added in mixer and puts down floating weight, smelting temperature is 130~150 DEG C, then 2~4min of mixing time is mentioned
Floating weight is played, floating weight is put down after 10~20s again, mixing 1~3 minute, lifts floating weight, open Turnover bunker, will mix
Material is routed up, and is transferred to the thin logical clot of open mill, is parked be cooled to room temperature at room temperature；
3) secondary mixing: by the obtained mixture of step 2), promotor, carbon black, silicon powder, fire-retardant reinforcing agent and filler
It being added in mixer, puts down floating weight, smelting temperature is 110~130 DEG C, then 30~60s of mixing time lifts floating weight,
Vulcanizing agent is placed into, floating weight is put down, smelting temperature is 140~160 DEG C, and 30~50s of mixing time lifts floating weight, opens
Turnover bunker routs up mixture, is transferred to the thin logical clot of open mill；
4) roll over page slice: the film that Bao Tonghou is broken into puts into three rollers and rolles over page machine rolling page, cutting, and chilling roll is opened and is cooled down
Film after cutting is passed through chilling roll, is then passed through isolation powder tank, film is made by water.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110396263A (en) * | 2019-06-25 | 2019-11-01 | 安徽上华电缆有限公司 | A kind of underwater long-acting special antibacterial cable material and preparation method thereof |
| CN112029286A (en) * | 2020-09-08 | 2020-12-04 | 南京固工橡塑制品有限公司 | Environment-friendly flame-retardant ozone-resistant anti-aging marine rubber air duct gasket and preparation method thereof |
| CN112309630A (en) * | 2020-09-27 | 2021-02-02 | 新亚特电缆股份有限公司 | Subway cable of ageing resistance |
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| CN110396263A (en) * | 2019-06-25 | 2019-11-01 | 安徽上华电缆有限公司 | A kind of underwater long-acting special antibacterial cable material and preparation method thereof |
| CN112029286A (en) * | 2020-09-08 | 2020-12-04 | 南京固工橡塑制品有限公司 | Environment-friendly flame-retardant ozone-resistant anti-aging marine rubber air duct gasket and preparation method thereof |
| CN112309630A (en) * | 2020-09-27 | 2021-02-02 | 新亚特电缆股份有限公司 | Subway cable of ageing resistance |
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