CN103871687A - Preparation method of novel micro coaxial cable - Google Patents
Preparation method of novel micro coaxial cable Download PDFInfo
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- CN103871687A CN103871687A CN201410090296.0A CN201410090296A CN103871687A CN 103871687 A CN103871687 A CN 103871687A CN 201410090296 A CN201410090296 A CN 201410090296A CN 103871687 A CN103871687 A CN 103871687A
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Abstract
The invention discloses a preparation method of a novel micro coaxial cable. The preparation method comprises the following steps: a) preparing an inner conductor, b) preparing a paste insulator material, c) performing extrusion operation of the insulator layer, d) performing drying treatment to the insulator layer and e) wrapping an outer sheath layer. The preparation method of the novel micro coaxial cable disclosed by the invention has the advantages that the process arrangement is reasonable, the method is simple, convenient and scientific to implement, the insulator layer in the micro coaxial cable has dual effects of insulation and radio signal shielding, the structure and the preparation process of the micro coaxial cable are effectively simplified, the production cost is effectively controlled, the performance indexes of the prepared micro coaxial cable are stable and the use performance is outstanding.
Description
Technical field
The present invention relates to a kind of preparation method of Ultrathin coaxial cable, relate in particular to the preparation method of a kind of novel structure, stable performance, polar thin coaxial cable that preparation technology is easy, belong to Ultrathin coaxial cable technical field.
Background technology
In recent years, along with the continuous quickening of mobile phone, the notebook computer consumer electronics product that is representative and communication, medical treatment, the microminiaturized development trend of military electronic product, performance requirement improves constantly, and the traditional wiring such as flat cable, the flexible PCB element that transmits various frequency signals in these products is transmitted rapidly the Ultrathin coaxial cable that speed is higher, frequency band is wider and anti-electromagnetic interference is strong and replaces.Particularly middle nineteen nineties in last century mobile communication universal, promoted especially research and development and the large-scale production of Ultrathin coaxial cable.
In existing technology, Ultrathin coaxial cable is made up of inner wire, insulator, shield and crust mostly, and its preparation flow comprises: the wire drawing of inner wire, pipe strand, the extruding of insulator, the voluble wrapping of shield and the agent of crust job contract skill etc.In sum, traditional preparation technology's operation of Ultrathin coaxial cable is various, and preparation flow is long, and cost is higher; Meanwhile, due to the preparation link errors that cause, make Ultrathin coaxial cable Shortcomings aspect the stability of performance more, limited to a certain extent the high performance performance of Ultrathin coaxial cable.
Summary of the invention
For the demand, the invention provides a kind of preparation method of polar thin coaxial cable, this preparation method's procedure arrangement is reasonable, be easy to implement, the insulator layer making has the double effects of insulation and shield radio signal, has effectively simplified the preparation technology of Ultrathin coaxial cable, lowers its production cost, and the Ultrathin coaxial cable stable performance making, serviceability is good.
The present invention is a kind of preparation method of polar thin coaxial cable, and this preparation method comprises the steps: a) to prepare inner wire, b) preparation pasty state insulator material, c) insulator layer extrude operation, d) the dry processing of insulator layer, e) exodermis is coated.
In a preferred embodiment of the present invention, in described step a), inner wire can select solid copper wire or 7-10 root diameter to be about the silver-plated copper B alloy wire twisted wire of 0.03mm, and the diameter of inner wire is about 0.2-0.28mm.
In a preferred embodiment of the present invention, in described step b), the main component of pasty state insulator material is: Corvic, calcium carbonate powder, copper powder and relevant auxiliary agent; Plasticizer in auxiliary agent selects lipid plasticizer DOP and DOA, stabilization protective agent to select calcium stearate or barium stearate, heat stabilizer to select stearic acid, thinner to select polyoxyethylene nonyl phenol ether, lubricant to select Tissuemat E or microwax.
In a preferred embodiment of the present invention, the process for preparation of described pasty state insulator layered material is as follows: first, calcium carbonate powder in raw material and copper powder are imported to reactor, temperature of reaction kettle is controlled at 20 DEG C-30 DEG C, mixer rotating shaft rotating speed is controlled at 100-120r/min, and mixing time is 20-30 minute; Then, in reactor, add plasticizer, stabilization protective agent and the heat stabilizer in Corvic and auxiliary agent, temperature of reaction kettle is controlled at 30 DEG C-40 DEG C, and mixer rotating shaft is adjusted to top gear, rotating speed is controlled at 700-800r/min, and mixing time is 10-12 minute; Finally, in reactor, add thinner and the lubricant in auxiliary agent, temperature of reaction kettle is controlled at 35 DEG C-45 DEG C, and mixer rotating shaft is adjusted to low or first gear, and rotating speed is controlled at 35-45r/min, and mixing time is 30-40 minute.
In a preferred embodiment of the present invention, in described step c), the temperature of pasty state insulator material in the barrel of extruder is controlled at 40 DEG C of left and right; The extruded velocity of pasty state insulator material is controlled at 0.3-0.35m/min, pasty state insulator material in the coated THICKNESS CONTROL on inner wire surface at 0.1-0.12mm.
In a preferred embodiment of the present invention, in described step d), the semi-finished product of coated insulation body layer are placed in baking oven and are dried processing, oven temperature is controlled at 60 DEG C-70 DEG C, is about 30-35 minute drying time.
The present invention has disclosed a kind of preparation method of polar thin coaxial cable, this preparation method's procedure arrangement is reasonable, be easy to implement, science, insulator layer in Ultrathin coaxial cable has the double effects of insulation and shield radio signal, the structure and the preparation technology that have effectively simplified Ultrathin coaxial cable, effectively controlled production cost; Meanwhile, the property indices of the Ultrathin coaxial cable making is stable, and serviceability is outstanding.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the preparation method's of embodiment of the present invention polar thin coaxial cable process figure.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
Fig. 1 is the preparation method's of embodiment of the present invention polar thin coaxial cable process figure; This preparation method comprises the steps: a) to prepare inner wire, b) preparation pasty state insulator material, c) insulator layer extrude operation, d) the dry processing of insulator layer, e) exodermis is coated.
Embodiment 1
The concrete preparation process of the polar thin coaxial cable that the present invention mentions is as follows:
A) prepare inner wire, inner wire is selected solid copper wire, and the diameter of inner wire is about 0.2-0.24mm;
B) preparation pasty state insulator material, main component and the percentage composition proportioning thereof of pasty state insulator material are: Corvic 52%, calcium carbonate powder 12%, copper powder 26%, all the other are relevant auxiliary agent; Wherein, calcium carbonate powder is nano_scale particle, and its average grain diameter is about 40-45nm; Copper powder is fine level particulate, and its average grain diameter is about 120-130nm; Plasticizer in auxiliary agent selects lipid plasticizer DOP and DOA, stabilization protective agent to select calcium stearate, heat stabilizer to select stearic acid, thinner to select polyoxyethylene nonyl phenol ether, lubricant to select Tissuemat E; Ratio of quality and the number of copies between auxiliary agent is: 22 parts, plasticizer, 4 parts of stabilization protective agent, 2 parts of heat stabilizers, 2 parts of thinners, 5 parts of lubricants;
The process for preparation of pasty state insulator layered material is as follows: first, the calcium carbonate powder in raw material and copper powder are imported to reactor, temperature of reaction kettle is controlled at 20 DEG C-25 DEG C, and mixer rotating shaft rotating speed is controlled at 100-110r/min, and mixing time is 25-30 minute; Then, in reactor, add plasticizer, stabilization protective agent and the heat stabilizer in Corvic and auxiliary agent, temperature of reaction kettle is controlled at 30 DEG C-35 DEG C, and mixer rotating shaft is adjusted to top gear, rotating speed is controlled at 700-750r/min, and mixing time is 11-12 minute; Finally, in reactor, add thinner and the lubricant in auxiliary agent, temperature of reaction kettle is controlled at 35 DEG C-40 DEG C, and mixer rotating shaft is adjusted to low or first gear, and rotating speed is controlled at 35-40r/min, and mixing time is 35-40 minute, makes pasty state insulator material;
C) insulator layer extrude operation, the pasty state insulator material of preparation is imported in the barrel of extruder, barrel temperature is controlled at 40 DEG C of left and right; The extruded velocity of pasty state insulator material is controlled at 0.3-0.32m/min, pasty state insulator material in the coated THICKNESS CONTROL on inner wire surface at 0.11-0.12mm;
D) the dry processing of insulator layer, is placed in the semi-finished product of coated insulation body layer in baking oven and is dried processing, to remove unnecessary auxiliary agent, and forms the insulator layer with certain degree of hardness and good strength; Oven temperature is controlled at 60 DEG C-65 DEG C, is about 33-35 minute drying time;
E) exodermis is coated, and exodermis raw material can be selected polyethylene, polyurethane or silicon rubber etc., and coated THICKNESS CONTROL is at 0.06-0.07mm.
Embodiment 2
The concrete preparation process of the polar thin coaxial cable that the present invention mentions is as follows:
A) prepare inner wire, inner wire selects 7-10 root diameter to be about the silver-plated copper B alloy wire twisted wire of 0.03mm, and the diameter of inner wire is about 0.2-0.28mm;
B) preparation pasty state insulator material, main component and the percentage composition proportioning thereof of pasty state insulator material are: Corvic 55%, calcium carbonate powder 14%, copper powder 25%, all the other are relevant auxiliary agent; Wherein, calcium carbonate powder is nano_scale particle, and its average grain diameter is about 45-50nm; Copper powder is fine level particulate, and its average grain diameter is about 130-140nm; Plasticizer in auxiliary agent selects lipid plasticizer DOP and DOA, stabilization protective agent to select barium stearate, heat stabilizer to select stearic acid, thinner to select polyoxyethylene nonyl phenol ether, lubricant to select microwax; Ratio of quality and the number of copies between auxiliary agent is: 20 parts, plasticizer, 3 parts of stabilization protective agent, 1 part of heat stabilizer, 3 parts of thinners, 4 parts of lubricants;
The process for preparation of pasty state insulator layered material is as follows: first, the calcium carbonate powder in raw material and copper powder are imported to reactor, temperature of reaction kettle is controlled at 25 DEG C-30 DEG C, and mixer rotating shaft rotating speed is controlled at 110-120r/min, and mixing time is 20-25 minute; Then, in reactor, add plasticizer, stabilization protective agent and the heat stabilizer in Corvic and auxiliary agent, temperature of reaction kettle is controlled at 35 DEG C-40 DEG C, and mixer rotating shaft is adjusted to top gear, rotating speed is controlled at 750-800r/min, and mixing time is 10-11 minute; Finally, in reactor, add thinner and the lubricant in auxiliary agent, temperature of reaction kettle is controlled at 40 DEG C-45 DEG C, and mixer rotating shaft is adjusted to low or first gear, and rotating speed is controlled at 40-45r/min, and mixing time is 30-35 minute, makes pasty state insulator material;
C) insulator layer extrude operation, the pasty state insulator material of preparation is imported in the barrel of extruder, barrel temperature is controlled at 40 DEG C of left and right; The extruded velocity of pasty state insulator material is controlled at 0.32-0.35m/min, pasty state insulator material in the coated THICKNESS CONTROL on inner wire surface at 0.1-0.11mm;
D) the dry processing of insulator layer, is placed in the semi-finished product of coated insulation body layer in baking oven and is dried processing, to remove unnecessary auxiliary agent, and forms the insulator layer with certain degree of hardness and good strength; Oven temperature is controlled at 65 DEG C-70 DEG C, is about 30-32 minute drying time;
E) exodermis is coated, and exodermis raw material can be selected polyethylene, polyurethane or silicon rubber etc., and coated THICKNESS CONTROL is at 0.06-0.07mm.
The present invention has disclosed a kind of preparation method of polar thin coaxial cable, be characterized in: this preparation method's procedure arrangement is reasonable, be easy to implement, science, insulator layer in Ultrathin coaxial cable has the double effects of insulation and shield radio signal, the structure and the preparation technology that have effectively simplified Ultrathin coaxial cable, effectively controlled production cost; Meanwhile, the property indices of the Ultrathin coaxial cable making is stable, and serviceability is outstanding.
The above; it is only the specific embodiment of the present invention; but protection scope of the present invention is not limited to this; any those of ordinary skill in the art are in the disclosed technical scope of the present invention; the variation that can expect without creative work or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range that claims were limited.
Claims (6)
1. a preparation method for polar thin coaxial cable, is characterized in that, this preparation method comprises the steps: a) to prepare inner wire, b) preparation pasty state insulator material, c) insulator layer extrude operation, d) the dry processing of insulator layer, e) exodermis is coated.
2. the preparation method of polar thin coaxial cable according to claim 1, it is characterized in that, in described step a), inner wire can select solid copper wire or 7-10 root diameter to be about the silver-plated copper B alloy wire twisted wire of 0.03mm, and the diameter of inner wire is about 0.2-0.28mm.
3. the preparation method of polar thin coaxial cable according to claim 1, is characterized in that, in described step b), the main component of pasty state insulator material is: Corvic, calcium carbonate powder, copper powder and relevant auxiliary agent; Plasticizer in auxiliary agent selects lipid plasticizer DOP and DOA, stabilization protective agent to select calcium stearate or barium stearate, heat stabilizer to select stearic acid, thinner to select polyoxyethylene nonyl phenol ether, lubricant to select Tissuemat E or microwax.
4. the preparation method of polar thin coaxial cable according to claim 3, it is characterized in that, the process for preparation of described pasty state insulator layered material is as follows: first, calcium carbonate powder in raw material and copper powder are imported to reactor, temperature of reaction kettle is controlled at 20 DEG C-30 DEG C, mixer rotating shaft rotating speed is controlled at 100-120r/min, and mixing time is 20-30 minute; Then, in reactor, add plasticizer, stabilization protective agent and the heat stabilizer in Corvic and auxiliary agent, temperature of reaction kettle is controlled at 30 DEG C-40 DEG C, and mixer rotating shaft is adjusted to top gear, rotating speed is controlled at 700-800r/min, and mixing time is 10-12 minute; Finally, in reactor, add thinner and the lubricant in auxiliary agent, temperature of reaction kettle is controlled at 35 DEG C-45 DEG C, and mixer rotating shaft is adjusted to low or first gear, and rotating speed is controlled at 35-45r/min, and mixing time is 30-40 minute.
5. the preparation method of polar thin coaxial cable according to claim 1, is characterized in that, in described step c), the temperature of pasty state insulator material in the barrel of extruder is controlled at 40 DEG C of left and right; The extruded velocity of pasty state insulator material is controlled at 0.3-0.35m/min, pasty state insulator material in the coated THICKNESS CONTROL on inner wire surface at 0.1-0.12mm.
6. the preparation method of polar thin coaxial cable according to claim 1, it is characterized in that, in described step d), the semi-finished product of coated insulation body layer are placed in and in baking oven, are dried processing, oven temperature is controlled at 60 DEG C-70 DEG C, is about 30-35 minute drying time.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114639522A (en) * | 2022-03-24 | 2022-06-17 | 领亚电子科技股份有限公司 | Production method of flexible strip-shaped high-speed serial data transmission cable |
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| CN1571076A (en) * | 2003-04-15 | 2005-01-26 | 整体技术公司 | Low cost shielded cable manufactured from conductive loaded resin-based materials |
| CN101367958A (en) * | 2008-09-28 | 2009-02-18 | 华南理工大学 | Environment-friendly polyvinyl chloride elasticizer and method of preparing the same |
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Application publication date: 20140618 |