CN103943285B - A kind of preparation method of Ultrathin coaxial cable crust - Google Patents
A kind of preparation method of Ultrathin coaxial cable crust Download PDFInfo
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- CN103943285B CN103943285B CN201410090232.0A CN201410090232A CN103943285B CN 103943285 B CN103943285 B CN 103943285B CN 201410090232 A CN201410090232 A CN 201410090232A CN 103943285 B CN103943285 B CN 103943285B
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Abstract
The invention discloses the preparation method of a kind of Ultrathin coaxial cable crust, this preparation method comprises the steps: a) selection dispensing, b) banburying batch mixing, c) extruded coated, d) one step cure, e) post vulcanization.Present invention is disclosed the preparation method of a kind of Ultrathin coaxial cable crust, this preparation method procedure arrangement is reasonable, preparation technology is easy, moderate cost, the crust effect prepared is unique, there is good antibiotic effect, growing of Ultrathin coaxial cable surface bacteria can be avoided, improve serviceability and the service life of Ultrathin coaxial cable to a certain extent.
Description
Technical field
The present invention relates to the preparation method of the crust of a kind of Ultrathin coaxial cable, particularly relate to a kind of stable performance, and there is the preparation method of the Ultrathin coaxial cable crust of antibiotic effect, belong to Ultrathin coaxial cable technical field.
Background technology
In recent years, along with the consumer electronics product that mobile phone, notebook computer are representative and communication, medical treatment, the continuous quickening of military electronic product miniaturization trend, performance requirement improves constantly, and the traditional wiring element such as the transmission ribbon cable of various frequency signals, flexible PCB is transmitted rapidly the Ultrathin coaxial cable that speed is higher, frequency band is wider and electromagnetism interference is strong and is replaced in these products.Particularly middle nineteen nineties in last century mobile communication is universal, promotes research and development and the large-scale production of Ultrathin coaxial cable especially.
The use frequency of the electronic product such as mobile phone, notebook computer is high, and occurs in the various environment of people's life, and the sealing property of electronic product is limited in addition, and multiple micronic dust and antibacterial are easy to invade；Meanwhile, under the influence of different humidity and temperature, the inside of electronic product is easy to breed bacteria.The crust of Ultrathin coaxial cable is the place of frequent breed bacteria, this not only lowers sanitary standard when electronic product uses, also can reduce serviceability and the life-span of Ultrathin coaxial cable crust, also can affect the serviceability that Ultrathin coaxial cable is overall time serious.
Summary of the invention
For the demand, the invention provides the preparation method of a kind of Ultrathin coaxial cable crust, this preparation method procedure arrangement is reasonable, it is easy to implement, the antibacterial filler increased in crust raw material makes crust have good antibiotic effect, effectively avoid growing of crust surface antibacterial, improve serviceability and the life-span of Ultrathin coaxial cable crust.
The present invention is the preparation method of a kind of Ultrathin coaxial cable crust, and this preparation method comprises the steps: a) selection dispensing, b) banburying batch mixing, c) extruded coated, d) one step cure, e) post vulcanization.
In a preferred embodiment of the present invention, in described step a), being mainly composed of of crust: high temperature silicone rubber, antibacterial filler, reinforcing filler, vulcanizing agent, heat-resisting additive, constitution controller etc.；Wherein, antibacterial filler is the nano silicon dioxide particles after selecting quaternary ammonium salt to process, and reinforcing filler selects gas-phase silica, and universal vulcanizing agent BP or DCBP selected by vulcanizing agent, and heat-resisting additive selects jeweler's rouge, and constitution controller selects diphenyl silanediol.
In a preferred embodiment of the present invention, the preprocessing process that described antibacterial filler is carried out before the use is as follows: first, prepares silane coupler solution, and this solution is formed by silane coupler, water, ethanol mixed preparing, and solution concentration is 10%；Then, antibacterial filler and silane coupler solution being imported agitator uniform stirring 30-40 minute, whipping temp controls at about 50 DEG C；Finally, antibacterial filler is filtered and takes out, in 45 DEG C of baking ovens, carry out drying and processing.
In a preferred embodiment of the present invention, in described step b), process is as follows: first, and high temperature silicone rubber puts into banbury, banburying 1-1.5 minute；Secondly, reinforcing filler is added banbury, banburying 3-3.5 minute；Then, constitution controller, heat-resisting additive and vulcanizing agent, banburying 2-3 minute are added successively；Then, sizing material being discharged and imported agitator, the discharge temperature of sizing material controls at 50 DEG C-55 DEG C；Finally, adding antibacterial filler, be sufficiently stirred for and heat in the agitator importing sizing material, the time controls at 15-20 minute, and temperature controls at about 50 DEG C；Banbury temperature in above-mentioned internal mixing pass controls at 40 DEG C-45 DEG C.
In a preferred embodiment of the present invention, in described step c), extruding machine selects the single-wormed screw of a diameter of 30mm, and draw ratio is 12:1, and extruding machine is installed T-shaped head；The temperature of whole extruded coated controls at 40 DEG C-45 DEG C, and extruder output controls at 1-1.1g/s, and the translational speed of cable controls at 0.15-0.2m/min.
In a preferred embodiment of the present invention, in described step d), vulcanization is normal pressure hot-air continuous vulcanization, vulcanization plant is horizontal tube electric furnace, the polling power controlling of traction apparatus is at 15-18N, and curing temperature controls at 320 DEG C-340 DEG C, and the time is the 45-48 second.
In a preferred embodiment of the present invention, in described step e), process is as follows: first, is placed in baking oven by the cable of cladding crust, and oven temperature is slowly increased to 150 DEG C-160 DEG C, and the process time is about 1 hour；Then, oven temperature is promoted to about 200 DEG C, processes 1-1.2 hour；Finally, by constant for oven temperature at 240 DEG C, constant temperature processes 4-4.5 hour.
Present invention is disclosed the preparation method of a kind of Ultrathin coaxial cable crust, this preparation method procedure arrangement is reasonable, preparation technology is easy, moderate cost, the crust effect prepared is unique, there is good antibiotic effect, growing of Ultrathin coaxial cable surface bacteria can be avoided, improve serviceability and the service life of Ultrathin coaxial cable to a certain extent.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings:
Fig. 1 is the process figure of the preparation method of embodiment of the present invention Ultrathin coaxial cable crust.
Detailed description of the invention
Below in conjunction with the accompanying drawings presently preferred embodiments of the present invention is described in detail, so that advantages and features of the invention can be easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention is made apparent clear and definite defining.
Fig. 1 is the process figure of the preparation method of embodiment of the present invention Ultrathin coaxial cable crust；This preparation method comprises the steps: a) selection dispensing, b) banburying batch mixing, c) extruded coated, d) one step cure, e) post vulcanization.
Embodiment 1
The concrete preparation process of what the present invention mentioned the have crust of mildew-resistant effect is as follows:
A) selection dispensing, main component and the percentage composition proportioning thereof of crust be: high temperature silicone rubber 54%, antibacterial filler 11%, reinforcing filler 27%, vulcanizing agent 1%, heat-resisting additive 4%, constitution controller 3%；Wherein, antibacterial filler is the nano silicon dioxide particles after selecting quaternary ammonium salt to process；The particle diameter of nano silicon dioxide particles is about 6um；Reinforcing filler selects gas-phase silica, and its particle diameter is about 14um；Universal vulcanizing agent BP selected by vulcanizing agent；Heat-resisting additive selects jeweler's rouge；Constitution controller selects diphenyl silanediol；
Above-mentioned antibacterial filler the most also needs to carry out pretreatment, and process is as follows: first, prepares silane coupler solution, and this solution is formed by silane coupler, water, ethanol mixed preparing, and solution concentration is 10%；Then, antibacterial filler and silane coupler solution being imported agitator uniform stirring 35 minutes, whipping temp controls at about 50 DEG C；Finally, antibacterial filler is filtered and takes out, in 45 DEG C of baking ovens, carry out drying and processing；
B) banburying batch mixing, process is as follows: first, and high temperature silicone rubber puts into banbury, banburying 1 minute；Secondly, reinforcing filler is added banbury, banburying 3 minutes；Then, constitution controller, heat-resisting additive and vulcanizing agent, banburying 2 minutes are added successively；Then, sizing material being discharged and imported agitator, the discharge temperature of sizing material controls at about 50 DEG C；Finally, adding antibacterial filler, be sufficiently stirred for and heat in the agitator importing sizing material, the time controls at about 15 minutes, and temperature controls at about 50 DEG C；In above-mentioned internal mixing pass, the Stress control of floating weight is at 0.5-0.55MPa, and banburying temperature controls at about 40 DEG C；
C) extruded coated, the single-wormed screw of the extruding machine a diameter of 30mm of selection, draw ratio is 12:1, and extruding machine is installed T-shaped head；The temperature of whole extruded coated controls at 40 DEG C-42 DEG C, and extruder output controls at 1-1.1g/s, and the translational speed of cable controls at 0.15-0.2m/min；
D) one step cure, vulcanization is normal pressure hot-air continuous vulcanization, and vulcanization plant is horizontal tube electric furnace, and the polling power controlling of traction apparatus is at 17-18N, and curing temperature controls at 330 DEG C-340 DEG C, and the time is the 45-46 second；
E) post vulcanization, process is as follows: first, is placed in baking oven by the cable of cladding crust, and oven temperature is slowly increased to about 150 DEG C, and the process time is about 1 hour；Then, oven temperature is promoted to about 200 DEG C, processes about 1 hour；Finally, by constant for oven temperature at 240 DEG C, constant temperature processes about 4 hours.
Embodiment 2
The concrete preparation process of what the present invention mentioned the have crust of mildew-resistant effect is as follows:
A) selection dispensing, main component and the percentage composition proportioning thereof of crust be: high temperature silicone rubber 55%, antibacterial filler 10%, reinforcing filler 28%, vulcanizing agent 1.5%, heat-resisting additive 3.5%, constitution controller 2%；Wherein, antibacterial filler is the nano silicon dioxide particles after selecting quaternary ammonium salt to process；The particle diameter of nano silicon dioxide particles is about 7um；Reinforcing filler selects gas-phase silica, and its particle diameter is about 15um；Universal vulcanizing agent DCBP selected by vulcanizing agent；Heat-resisting additive selects jeweler's rouge；Constitution controller selects diphenyl silanediol；
Above-mentioned antibacterial filler the most also needs to carry out pretreatment, and process is as follows: first, prepares silane coupler solution, and this solution is formed by silane coupler, water, ethanol mixed preparing, and solution concentration is 10%；Then, antibacterial filler and silane coupler solution being imported agitator uniform stirring 38 minutes, whipping temp controls at about 50 DEG C；Finally, antibacterial filler is filtered and takes out, in 45 DEG C of baking ovens, carry out drying and processing；
B) banburying batch mixing, process is as follows: first, and high temperature silicone rubber puts into banbury, banburying 1.5 minutes；Secondly, reinforcing filler is added banbury, banburying 3.5 minutes；Then, constitution controller, heat-resisting additive and vulcanizing agent, banburying 3 minutes are added successively；Then, sizing material being discharged and imported agitator, the discharge temperature of sizing material controls at about 55 DEG C；Finally, adding antibacterial filler, be sufficiently stirred for and heat in the agitator importing sizing material, the time controls at 18-20 minute, and temperature controls at about 50 DEG C；In above-mentioned internal mixing pass, the Stress control of floating weight is at 0.55-0.6MPa, and banburying temperature controls at about 45 DEG C；
C) extruded coated, the single-wormed screw of the extruding machine a diameter of 30mm of selection, draw ratio is 12:1, and extruding machine is installed T-shaped head；The temperature of whole extruded coated controls at 43 DEG C-44 DEG C, and extruder output controls at 1-1.1g/s, and the translational speed of cable controls at 0.15-0.2m/min；
D) one step cure, vulcanization is normal pressure hot-air continuous vulcanization, and vulcanization plant is horizontal tube electric furnace, and the polling power controlling of traction apparatus is at 15-16N, and curing temperature controls at 320 DEG C-330 DEG C, and the time is the 47-48 second；
E) post vulcanization, process is as follows: first, is placed in baking oven by the cable of cladding crust, and oven temperature is slowly increased to about 160 DEG C, and the process time is about 1 hour；Then, oven temperature is promoted to about 200 DEG C, processes about 1.2 hours；Finally, by constant for oven temperature at 240 DEG C, constant temperature processes about 4.5 hours.
Present invention is disclosed the preparation method of a kind of Ultrathin coaxial cable crust, this preparation method procedure arrangement is reasonable, preparation technology is easy, moderate cost, the crust effect prepared is unique, there is good antibiotic effect, growing of Ultrathin coaxial cable surface bacteria can be avoided, improve serviceability and the service life of Ultrathin coaxial cable to a certain extent.
The above; it is only the detailed description of the invention of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope that disclosed herein; the change can expected without creative work or replacement, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims are limited.
Claims (6)
1. the preparation method of a Ultrathin coaxial cable crust, it is characterised in that this preparation method comprises the steps: a) selection dispensing, b) banburying batch mixing, c) extruded coated, d) one step cure, e) post vulcanization；
In described step b), process is as follows: first, and high temperature silicone rubber puts into banbury, banburying 1-1.5 minute；Secondly, reinforcing filler is added banbury, banburying 3-3.5 minute；Then, constitution controller, heat-resisting additive and vulcanizing agent, banburying 2-3 minute are added successively；Then, sizing material being discharged and imported agitator, the discharge temperature of sizing material controls at 50 DEG C-55 DEG C；Finally, adding antibacterial filler, be sufficiently stirred for and heat in the agitator importing sizing material, the time controls at 15-20 minute, and temperature controls at about 50 DEG C；Banbury temperature in above-mentioned internal mixing pass controls at 40 DEG C-45 DEG C.
2. according to the preparation method of the Ultrathin coaxial cable crust described in claim 1, it is characterised in that in described step a), being mainly composed of of crust: high temperature silicone rubber, antibacterial filler, reinforcing filler, vulcanizing agent, heat-resisting additive, constitution controller；Wherein, antibacterial filler is the nano silicon dioxide particles after selecting quaternary ammonium salt to process, and reinforcing filler selects gas-phase silica, and universal vulcanizing agent BP or DCBP selected by vulcanizing agent, and heat-resisting additive selects jeweler's rouge, and constitution controller selects diphenyl silanediol.
3. according to the preparation method of the Ultrathin coaxial cable crust described in claim 2, it is characterized in that, the preprocessing process that described antibacterial filler is carried out before the use is as follows: first, preparation silane coupler solution, this solution is formed by silane coupler, water, ethanol mixed preparing, and solution concentration is 10%；Then, antibacterial filler and silane coupler solution being imported agitator uniform stirring 30-40 minute, whipping temp controls at about 50 DEG C；Finally, antibacterial filler is filtered and takes out, in 45 DEG C of baking ovens, carry out drying and processing.
4. according to the preparation method of the Ultrathin coaxial cable crust described in claim 1, it is characterised in that in described step c), extruding machine selects the single-wormed screw of a diameter of 30mm, and draw ratio is 12: 1, and extruding machine is installed T type head；The temperature of whole extruded coated controls at 40 DEG C-45 DEG C, and extruder output controls at 1-1.1g/s, and the translational speed of cable controls at 0.15-0.2m/min.
5. according to the preparation method of the Ultrathin coaxial cable crust described in claim 1, it is characterized in that, in described step d), vulcanization is normal pressure hot-air continuous vulcanization, vulcanization plant is horizontal tube electric furnace, the polling power controlling of traction apparatus is at 15-18N, and curing temperature controls at 320 DEG C-340 DEG C, and the time is the 45-48 second.
6. according to the preparation method of the Ultrathin coaxial cable crust described in claim 1, it is characterised in that in described step e), process is as follows: first, being placed in baking oven by the cable of cladding crust, oven temperature is slowly increased to 150 DEG C-160 DEG C, and the process time is about 1 hour；Then, oven temperature is promoted to about 200 DEG C, processes 1-1.2 hour；Finally, by constant for oven temperature at 240 DEG C, constant temperature processes 4-4.5 hour.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4106961A (en) * | 1974-06-28 | 1978-08-15 | N.K.F. Kabel B.V. | Method of manufacturing a longitudinally watertight telecommunication cable |
| CN101593584A (en) * | 2009-07-03 | 2009-12-02 | 华北电力科学研究院有限责任公司 | A kind of production method of bird damage resistant silicon fluoride insulated sleeve |
| CN102352074A (en) * | 2011-08-31 | 2012-02-15 | 沈阳远大铝业工程有限公司 | Ethylene-propylene-diene rubber compound and its preparation method |
| CN103396615A (en) * | 2013-06-24 | 2013-11-20 | 安徽龙庵电缆集团有限公司 | High performance crosslinked elastomeric insulation material |
-
2014
- 2014-03-13 CN CN201410090232.0A patent/CN103943285B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4106961A (en) * | 1974-06-28 | 1978-08-15 | N.K.F. Kabel B.V. | Method of manufacturing a longitudinally watertight telecommunication cable |
| CN101593584A (en) * | 2009-07-03 | 2009-12-02 | 华北电力科学研究院有限责任公司 | A kind of production method of bird damage resistant silicon fluoride insulated sleeve |
| CN102352074A (en) * | 2011-08-31 | 2012-02-15 | 沈阳远大铝业工程有限公司 | Ethylene-propylene-diene rubber compound and its preparation method |
| CN103396615A (en) * | 2013-06-24 | 2013-11-20 | 安徽龙庵电缆集团有限公司 | High performance crosslinked elastomeric insulation material |
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