CN108587008A - High mechanical properties cable cover(ing) and preparation method thereof - Google Patents
High mechanical properties cable cover(ing) and preparation method thereof Download PDFInfo
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
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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
- H01B3/44—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 vinyl resins; acrylic resins
- H01B3/443—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 vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
- H01B3/445—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 vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds from vinylfluorides or other fluoroethylenic compounds
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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
- C08L2205/03—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
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- Polymers & Plastics (AREA)
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Abstract
The invention discloses a kind of high mechanical properties cable cover(ing) and preparation method thereof, which includes by modified polytetrafluoroethylresin resin, ethylene propylene diene rubber, Oppanol, graphite, silica, dibutyl phthalate, polyethylene glycol, epoxidation triglyceride, citrate, vulcanization accelerator TMTD and styrene according to 100：20‑30：5‑10：30‑40：10‑15：25‑35：3‑5：6‑10：1‑5：3‑5：5 15 weight ratio carries out mixing, mediates obtained mixture M 1, by 1 extruding pelletization of the mixture M, processing；Wherein, the modified polytetrafluoroethylresin resin is made by zinc oxide, alumina fibre, glass fibre, chlorinated paraffin, polyacrylamide, trimethyl cetyl ammonium bromide and trimethyloctadecyl ammonium chloride.The high mechanical properties cable cover(ing) is with excellent weather resistance and with stronger anti-capability of electromagnetic shielding.
Description
Technical field
The present invention relates to cable production arts, and in particular, to a kind of high mechanical properties cable cover(ing) and preparation method thereof.
Background technology
For cable cover(ing) as a kind of important shielding material, the application in daily production is extremely wide, and is much leading
It is also widely used in domain, for example, in fields such as aerospaces.Certainly, because that can make to electricity in using for aerospace field
The requirement higher of cable sheath, thus, common cable cover(ing) often will appear service life drop when for aerospace field
The problems such as low, to greatly improve its use cost, and is once applied in aerospace field, then replacing also becomes extremely multiple
It is miscellaneous and unfavorable.
Therefore it provides a kind of having better shielding properties, so that being used in aerospace field can still have
Preferable service life and the space flight and aviation of electromagnetic shielding capability with anti-electromechanical cable shielding braid sheath be the present invention there is an urgent need for
It solves the problems, such as.
Invention content
The object of the present invention is to provide a kind of high mechanical properties cable cover(ing) and preparation method thereof, the high mechanical properties cables
Sheath is with excellent weather resistance and with stronger anti-capability of electromagnetic shielding.
To achieve the goals above, the present invention provides a kind of by modified polytetrafluoroethylresin resin, ethylene propylene diene rubber, gathers
Isobutene rubber, graphite, silica, dibutyl phthalate, polyethylene glycol, epoxidation triglyceride, citrate,
Vulcanization accelerator TMTD and styrene are according to 100：20-30：5-10：30-40：10-15：25-35：3-5：6-10：1-5：3-5：
The weight ratio of 5-15 carries out mixing, mediates obtained mixture M 1, by 1 extruding pelletization of the mixture M, processing；
Wherein, the modified polytetrafluoroethylresin resin is by zinc oxide, alumina fibre, glass fibre, chlorinated paraffin, poly- third
Acrylamide, trimethyl cetyl ammonium bromide and trimethyloctadecyl ammonium chloride are made.
The present invention also provides high mechanical properties cable cover(ing)s made from a kind of above-mentioned preparation method.
Through the above technical solutions, the present invention is by using zinc oxide, alumina fibre, glass fibre, chlorinated paraffin, poly-
Acrylamide, trimethyl cetyl ammonium bromide and trimethyloctadecyl ammonium chloride are modified processing to polytetrafluoroethylene (PTFE),
Further increase the weatherability of obtained cable for aviation and anti-capability of electromagnetic shielding.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
A kind of preparation method of high mechanical properties cable cover(ing) is provided in the present invention, the preparation method includes：
By modified polytetrafluoroethylresin resin, ethylene propylene diene rubber, Oppanol, graphite, silica, O-phthalic
Dibutyl phthalate, polyethylene glycol, epoxidation triglyceride, citrate, vulcanization accelerator TMTD and styrene are according to 100：20-
30：5-10：30-40：10-15：25-35：3-5：6-10：1-5：3-5：The weight ratio of 5-15 carries out mixing, mediates obtained mixing
Object M1, by 1 extruding pelletization of the mixture M, processing；
Wherein, the modified polytetrafluoroethylresin resin is by zinc oxide, alumina fibre, glass fibre, chlorinated paraffin, poly- third
Acrylamide, trimethyl cetyl ammonium bromide and trimethyloctadecyl ammonium chloride are made.
In above-mentioned technical proposal, the condition of the kneading can select in a wide range, but in order to further increase
The weather resistance and anti-capability of electromagnetic shielding of high mechanical properties cable cover(ing) obtained, it is preferable that the kneading meets following item
Part：The temperature of kneading is 160-180 DEG C, and the time of kneading is 30-40min.
In above-mentioned technical proposal, the condition of the extruding pelletization can select in a wide range, but in order to further
Improve the weather resistance of high mechanical properties cable cover(ing) obtained and anti-capability of electromagnetic shielding, it is preferable that the extruding pelletization
Temperature is 195-200 DEG C.
In above-mentioned technical proposal, the preparation method of modified polytetrafluoroethylresin resin can there are many selections, but in order into
One step improves the anti-capability of electromagnetic shielding of anti-electromagnetic assembled object and the weather resistance of cable cover(ing) obtained obtained, it is preferable that
The modified polytetrafluoroethylresin resin is made by following methods：
1) by zinc oxide, alumina fibre, glass fibre, chlorinated paraffin, polyacrylamide, trimethyl cetyl bromination
Ammonium and trimethyloctadecyl ammonium chloride are agitated, mix, and add polytetrafluoroethylene (PTFE) ball milling and obtain batch mixing；
2) the batch mixing cold moudling, sintering curing postcooling to room temperature, polishing processing are obtained into the cable with changing
Property polytetrafluoroethylene (PTFE).
In above-mentioned preparation method, the condition of the cold moudling can select in a wide range, but in order to improve system
Obtain the weather resistance of modified Teflon, it is preferable that the cold moudling meets the following conditions：Pressure is 40-50MPa, temperature
Degree is 20-30 DEG C, time 40-60min.
In above-mentioned technical proposal, the condition of the sintering curing can select in a wide range, but in order to improve system
Obtain the weather resistance of modified Teflon, it is preferable that the sintering curing meets the following conditions：From at room temperature with 50-60 DEG C/
The heating rate of h is warming up to 180 DEG C, then with the heating rate of 20-30 DEG C/h is warming up to 350-360 DEG C and at 350-360 DEG C
Keep the temperature 2-4h；Finally, it is cooled to 30-40 DEG C with 50-60 DEG C/h rate of temperature fall.
In above-mentioned technical proposal, the condition of the stirring can select in a wide range, but change to improve to be made
The efficiency of property polytetrafluoroethylene (PTFE), it is preferable that the condition of the stirring is：Rotating speed is 3000-5000rpm, time 30-50min.
In above-mentioned technical proposal, for the weatherability for further increasing modified Teflon obtained and anti-electromagnetic shielding
Performance, it is preferable that before carrying out the step 1), the glass fibre needs to carry out following pretreatment：
The glass fibre is placed in silane resin acceptor kh-550 solution, heat after 1-2h, drying is impregnated at 25-30 DEG C
Processing activation 1-2h.
During carrying out pretreated to glass fibre, the condition of the drying can select in a wide range, but
It is to improve pretreated efficiency, it is preferable that the condition of the drying is：Temperature is 50-70 DEG C, time 3-4h.
During carrying out pretreated to glass fibre, the temperature of the heat treatment activation can be selected in a wide range
It selects, but in order to improve the weather resistance of pretreated efficiency and glass fibre, it is preferable that the temperature of the heat treatment activation
It is 110-120 DEG C.
In the above-mentioned technical solutions, the specific dosage of each raw material can select in a wide range, but in order to further
Improve the weatherability of modified Teflon obtained and anti-capability of electromagnetic shielding, it is preferable that the polytetrafluoroethylene (PTFE), oxidation
Zinc, alumina fibre, glass fibre, chlorinated paraffin, polyacrylamide, trimethyl cetyl ammonium bromide and trimethyl octadecane
The weight proportion of ammonium chloride is 100：5-10：3-6：5-10：10-15：3-8：1-5：3-8.
High mechanical properties cable cover(ing) made from a kind of above-mentioned preparation method is additionally provided in the present invention.
The present invention will be described in detail by way of examples below.
Preparation example 1
1) by zinc oxide, alumina fibre, glass fibre, chlorinated paraffin, polyacrylamide, trimethyl cetyl bromination
Ammonium and the mixing of trimethyloctadecyl ammonium chloride stir 50min in 3000rpm, add polytetrafluoroethylene (PTFE) ball milling and obtain batch mixing；
Polytetrafluoroethylene (PTFE) used, zinc oxide, alumina fibre, glass fibre, chlorinated paraffin, polyacrylamide, trimethyl cetyl
The weight ratio of ammonium bromide and trimethyloctadecyl ammonium chloride is 100：5：3：5：10：3：1：3；
2) by the batch mixing pressure be 40MPa, cold moudling 60min at 20 DEG C；Then, from 20 DEG C of room temperature with 50
DEG C/heating rate of h is warming up to 180 DEG C, then 350 DEG C are warming up to the heating rate of 20 DEG C/h and 2h is kept the temperature at 350 DEG C；Most
Afterwards, it is cooled to 30 DEG C of sintering curing postcooling to 20 DEG C of room temperature, polishing processing with 50 DEG C/h rate of temperature fall and obtains the electricity
Cable modified Teflon, is denoted as W1；
Wherein, before carrying out the step 1), the glass fibre needs to carry out following pretreatment：
The glass fibre (10 μm) is placed in silane resin acceptor kh-550 solution, at 50 DEG C after immersion 2h at 25 DEG C
Dry 4h, then the heat treatment activation 2h at 110 DEG C.
Preparation example 2
1) by zinc oxide, alumina fibre, glass fibre, chlorinated paraffin, polyacrylamide, trimethyl cetyl bromination
Ammonium and the mixing of trimethyloctadecyl ammonium chloride stir 40min in 4000rpm, add polytetrafluoroethylene (PTFE) ball milling and obtain batch mixing；
Polytetrafluoroethylene (PTFE) used, zinc oxide, alumina fibre, glass fibre, chlorinated paraffin, polyacrylamide, trimethyl cetyl
The weight ratio of ammonium bromide and trimethyloctadecyl ammonium chloride is 100：8：5：8：13：6：3：6；
2) by the batch mixing pressure be 45MPa, cold moudling 50min at 25 DEG C；Then, from 25 DEG C of room temperature with 55
DEG C/heating rate of h is warming up to 180 DEG C, then 350 DEG C are warming up to the heating rate of 25 DEG C/h and 3h is kept the temperature at 350 DEG C；Most
Afterwards, it is cooled to 40 DEG C of sintering curing postcooling to 30 DEG C of room temperature, polishing processing with 55 DEG C/h rate of temperature fall and obtains the electricity
Cable modified Teflon, is denoted as W2；
Wherein, before carrying out the step 1), the glass fibre needs to carry out following pretreatment：
The glass fibre (15 μm) is placed in silane resin acceptor kh-550 solution, at 60 DEG C after immersion 1h at 30 DEG C
Dry 4h, then the heat treatment activation 1h at 120 DEG C.
Preparation example 3
1) by zinc oxide, alumina fibre, glass fibre, chlorinated paraffin, polyacrylamide, trimethyl cetyl bromination
Ammonium and the mixing of trimethyloctadecyl ammonium chloride stir 30min in 5000rpm, add polytetrafluoroethylene (PTFE) ball milling and obtain batch mixing；
Polytetrafluoroethylene (PTFE) used, zinc oxide, alumina fibre, glass fibre, chlorinated paraffin, polyacrylamide, trimethyl cetyl
The weight ratio of ammonium bromide and trimethyloctadecyl ammonium chloride is 100：10：6：10：15：8：5：8；
2) by the batch mixing pressure be 50MPa, cold moudling 40min at 30 DEG C；Then, from 30 DEG C of room temperature with 60
DEG C/heating rate of h is warming up to 180 DEG C, then 350 DEG C are warming up to the heating rate of 30 DEG C/h and 2h is kept the temperature at 350 DEG C；Most
Afterwards, it is cooled to 40 DEG C of sintering curing postcooling to 30 DEG C of room temperature, polishing processing with 60 DEG C/h rate of temperature fall and obtains the electricity
Cable modified Teflon, is denoted as W3；
Wherein, before carrying out the step 1), the glass fibre needs to carry out following pretreatment：
The glass fibre (15 μm) is placed in silane resin acceptor kh-550 solution, at 70 DEG C after immersion 1h at 30 DEG C
Dry 3h, then the heat treatment activation 1h at 120 DEG C.
Preparation example 4
Cable modified Teflon is made according to the method for preparation example 1, is denoted as W4；The difference is that before step 1)
Glass fibre is not pre-processed.
Preparation example 5
Cable modified Teflon is made according to the method for preparation example 1, is denoted as W5；The difference is that described in step 2)
The heating rate of batch mixing from direct 50 DEG C/h at 20 DEG C of room temperature are warming up to 350 DEG C of heat preservation 2h.
Preparation example 6
Cable modified Teflon is made according to the method for preparation example 1, is denoted as W6；The difference is that not adding in step 1)
Enter zinc oxide.
Preparation example 7
Cable modified Teflon is made according to the method for preparation example 1, is denoted as W7；The difference is that not adding in step 1)
Enter alumina fibre.
Preparation example 8
Cable modified Teflon is made according to the method for preparation example 1, is denoted as W8；The difference is that not adding in step 1)
Enter glass fibre.
Preparation example 9
Cable modified Teflon is made according to the method for preparation example 1, is denoted as W9；The difference is that not adding in step 1)
Enter polyacrylamide.
Preparation example 10
Cable modified Teflon is made according to the method for preparation example 1, is denoted as W10；The difference is that in step 1) not
Trimethyl cetyl ammonium bromide is added.
Preparation example 11
Cable modified Teflon is made according to the method for preparation example 1, is denoted as W11；The difference is that in step 1) not
Trimethyloctadecyl ammonium chloride is added.
Embodiment 1
By modified polytetrafluoroethylresin resin W1, ethylene propylene diene rubber, Oppanol, graphite, silica, adjacent benzene two
Formic acid dibutyl ester, polyethylene glycol, epoxidation triglyceride, citrate, vulcanization accelerator TMTD and styrene are according to 100：
20：5：30：10：25：3：6：1：3：5 weight ratio carries out mixing, mediates the obtained mixture Ms 1 of 40min at 160 DEG C, will be described mixed
It closes object M1 and high mechanical properties cable cover(ing) is made in 195 DEG C of extruding pelletizations, processing；It is denoted as A1.
Embodiment 2
By modified polytetrafluoroethylresin resin W2, ethylene propylene diene rubber, Oppanol, graphite, silica, adjacent benzene two
Formic acid dibutyl ester, polyethylene glycol, epoxidation triglyceride, citrate, vulcanization accelerator TMTD and styrene are according to 100：
25：8：35：12：30：4：8：3：4：10 weight ratio carries out mixing, mediates the obtained mixture Ms 1 of 35min at 170 DEG C, will be described
High mechanical properties cable cover(ing) is made in 200 DEG C of extruding pelletizations, processing in mixture M 1；It is denoted as A2.
Embodiment 3
By modified polytetrafluoroethylresin resin W3, ethylene propylene diene rubber, Oppanol, graphite, silica, adjacent benzene two
Formic acid dibutyl ester, polyethylene glycol, epoxidation triglyceride, citrate, vulcanization accelerator TMTD and styrene are according to 100：
30：10：40：15：35：5：10：5：5：15 weight ratio carries out mixing, mediates the obtained mixture Ms 1 of 30min at 180 DEG C, by institute
It states mixture M 1 and high mechanical properties cable cover(ing) is made in 200 DEG C of extruding pelletizations, processing；It is denoted as A3.
Embodiment 4
High mechanical properties cable cover(ing) is prepared Following the procedure of Example 1, is denoted as A4, the difference is that using modified polytetrafluoro
Vinyl W4 replaces W1.
Embodiment 5
High mechanical properties cable cover(ing) is prepared Following the procedure of Example 1；It is denoted as A5, the difference is that using modified polytetrafluoro
Vinyl W5 replaces W1.
Comparative example 1
High mechanical properties cable cover(ing) is prepared Following the procedure of Example 1, is denoted as D1；The difference is that using modified polytetrafluoro
Vinyl W6 replaces W1.
Comparative example 2
High mechanical properties cable cover(ing) is prepared Following the procedure of Example 1, is denoted as D2；The difference is that using modified polytetrafluoro
Vinyl W7 replaces W1.
Comparative example 3
High mechanical properties cable cover(ing) is prepared Following the procedure of Example 1, is denoted as D3；The difference is that using modified polytetrafluoro
Vinyl W8 replaces W1.
Comparative example 4
High mechanical properties cable cover(ing) is prepared Following the procedure of Example 1, is denoted as D4；The difference is that using modified polytetrafluoro
Vinyl W9 replaces W1.
Comparative example 5
High mechanical properties cable cover(ing) is prepared Following the procedure of Example 1, is denoted as D5；The difference is that using modified polytetrafluoro
Vinyl W10 replaces W1.
Comparative example 6
High mechanical properties cable cover(ing) is prepared Following the procedure of Example 1, is denoted as D6；The difference is that using modified polytetrafluoro
Vinyl W11 replaces W1.
Detect example 1
Above-mentioned A1-A5 and D1-D6 are detected into its shielding attenuation at 30MHz, meanwhile, it is detected according to GB/T2951.12
The anti-aging experiment of A1-A5 and D1-D6 simultaneously detects the elongation at break after aging, obtains that the results are shown in Table 1.
Table 1
| Number | Shielding attenuation (db) | Elongation at break (%) |
| A1 | 97 | 802 |
| A2 | 95 | 812 |
| A3 | 92 | 806 |
| A4 | 83 | 351 |
| A5 | 80 | 335 |
| D1 | 75 | 550 |
| D2 | 73 | 501 |
| D3 | 73 | 451 |
| D4 | 52 | 712 |
| D5 | 41 | 701 |
| D6 | 41 | 715 |
It can be seen from Table 1 that high mechanical properties cable cover(ing) is made within the scope of the present invention has very excellent electricity
Magnetic shield performance, especially component polypropylenes amide, trimethyl cetyl ammonium bromide and trimethyloctadecyl ammonium chloride pair
Its anti-capability of electromagnetic shielding has large effect；In addition, pretreatment to glass fibre and solid to the specific sintering of batch mixing
Change process substantially increases the weatherabilities such as the tensile property of modified Teflon；And then it is substantially increased in aerospace
Service life when being applied in field.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail can carry out a variety of simple variants to technical scheme of the present invention within the scope of the technical concept of the present invention, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. a kind of preparation method of high mechanical properties cable cover(ing), which is characterized in that the preparation method includes：
By modified polytetrafluoroethylresin resin, ethylene propylene diene rubber, Oppanol, graphite, silica, phthalic acid two
Butyl ester, polyethylene glycol, epoxidation triglyceride, citrate, vulcanization accelerator TMTD and styrene are according to 100：20-30：
5-10：30-40：10-15：25-35：3-5：6-10：1-5：3-5：The weight ratio of 5-15 carries out mixing, mediates obtained mixture
M1, by 1 extruding pelletization of the mixture M, processing；
Wherein, the modified polytetrafluoroethylresin resin is by zinc oxide, alumina fibre, glass fibre, chlorinated paraffin, polyacrylamide
Amine, trimethyl cetyl ammonium bromide and trimethyloctadecyl ammonium chloride are made.
2. preparation method according to claim 1, wherein the kneading meets the following conditions：The temperature of kneading is 160-
180 DEG C, the time of kneading is 30-40min.
3. preparation method according to claim 1, wherein the temperature of the extruding pelletization is 195-200 DEG C.
4. preparation method according to claim 1, wherein the modified polytetrafluoroethylresin resin is made by following methods：
1) by zinc oxide, alumina fibre, glass fibre, chlorinated paraffin, polyacrylamide, trimethyl cetyl ammonium bromide and
Trimethyloctadecyl ammonium chloride is agitated, mixes, and adds polytetrafluoroethylene (PTFE) ball milling and obtains batch mixing；
2) the batch mixing cold moudling, sintering curing postcooling to room temperature, polishing processing are obtained the cable and is modified and gathered
Tetrafluoroethene.
5. preparation method according to claim 4, wherein the cold moudling meets the following conditions：Pressure is 40-
50MPa, temperature are 20-30 DEG C, time 40-60min.
6. preparation method according to claim 4, wherein the sintering curing meets the following conditions：From at room temperature with 50-
The heating rate of 60 DEG C/h is warming up to 180 DEG C, then with the heating rate of 20-30 DEG C/h is warming up to 350-360 DEG C and in 350-
360 DEG C of heat preservation 2-4h；Finally, it is cooled to 30-40 DEG C with 50-60 DEG C/h rate of temperature fall.
7. preparation method according to claim 4, wherein the condition of the stirring is：Rotating speed is 3000-5000rpm, when
Between be 30-50min.
8. preparation method according to claim 4, wherein before carrying out the step 1), the glass fibre need into
The following pretreatment of row：
The glass fibre is placed in silane resin acceptor kh-550 solution, is heat-treated after 1-2h, drying are stirred at 25-30 DEG C
Activate 1-2h；
Preferably, the condition of the drying is：Temperature is 50-70 DEG C, time 3-4h；
It is further preferred that the temperature of the heat treatment activation is 110-120 DEG C.
9. preparation method according to claim 8, wherein the polytetrafluoroethylene (PTFE), zinc oxide, alumina fibre, glass
The weight proportion of fiber, chlorinated paraffin, polyacrylamide, trimethyl cetyl ammonium bromide and trimethyloctadecyl ammonium chloride
It is 100：5-10：3-6：5-10：10-15：3-8：1-5：3-8.
10. a kind of high mechanical properties cable cover(ing) is made by the preparation method described in any one of claim 1-9.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114736474A (en) * | 2022-04-11 | 2022-07-12 | 浙江元通线缆制造有限公司 | Non-stick material for insulating isolation sheath and preparation method thereof |
| CN115477818A (en) * | 2022-09-06 | 2022-12-16 | 浙江元通线缆制造有限公司 | Non-stick material for insulation isolation sheath of tensile cable and preparation method thereof |
-
2018
- 2018-04-27 CN CN201810392454.6A patent/CN108587008A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114736474A (en) * | 2022-04-11 | 2022-07-12 | 浙江元通线缆制造有限公司 | Non-stick material for insulating isolation sheath and preparation method thereof |
| CN115477818A (en) * | 2022-09-06 | 2022-12-16 | 浙江元通线缆制造有限公司 | Non-stick material for insulation isolation sheath of tensile cable and preparation method thereof |
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Application publication date: 20180928 |