CN102709009A - Preparation method for high-density colored unsintered polytetrafluoroethylene dispersing resin small-section heat-resisting cable wrapping tape - Google Patents
Preparation method for high-density colored unsintered polytetrafluoroethylene dispersing resin small-section heat-resisting cable wrapping tape Download PDFInfo
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- CN102709009A CN102709009A CN201210177522XA CN201210177522A CN102709009A CN 102709009 A CN102709009 A CN 102709009A CN 201210177522X A CN201210177522X A CN 201210177522XA CN 201210177522 A CN201210177522 A CN 201210177522A CN 102709009 A CN102709009 A CN 102709009A
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Abstract
The invention relates to a preparation method for a high-density colored unsintered polytetrafluoroethylene dispersing resin small-section heat-resisting cable wrapping tape. The preparation method comprises the following steps of: (1) selecting a polytetrafluoroethylene dispersing resin with a medium/low compression ratio as a raw material; (2) standing the raw material for a certain time at low temperature; (3) mixing the resin raw material, a molecular chain segment lubricant and a dye at low temperature; (4) wetting the mixed materials at certain temperature; (5) preforming under certain pressure to obtain a cylindrical pasty blank; (6) performing paste extrusion to fibrillate a chain segment; (7) performing rolling to form a tape; (8) drying and thermosetting the tape; and (9) slitting and winding the tape to form the high-density colored unsintered polytetrafluoroethylene dispersing resin small-section heat-resisting cable wrapping tape. A small-section heat-resisting cable prepared by the product has the advantages of low machining risk, high cable flexibility, high insulating power and the like, can be widely applied to a plurality of fields of metallurgy, petroleum, chemistry, aviation, aerospace and the like, and is used as a control line, a data line or the like of various electrical appliances, instruments and automatic devices under high temperature conditions and in severe environments.
Description
(1) technical field
The present invention relates to a kind of preparation method of heatproof cable twining package tape, be specially the preparation method of the painted not sintering polytetrafluoroethylfilm of a kind of high density dispersion resin small bore heatproof cable twining package tape.
(2) background technology
Polytetrafluoroethylene (PTFE) is a kind of special engineering plastics with excellent combination property, and the good reputation of " plastics king " is arranged.It has broad serviceability temperature (long-term serviceability temperature-180～+ 250 ℃), the chemical stability of height, remarkable electrical insulating property; Desirable antistick characteristic; Outstanding self lubricity, long-term resistance to weathering, the performance of good noninflammability and moderate various excellences such as mechanical strength.At present, polytetrafluoroethylmaterial material has been widely used in numerous areas such as Aero-Space, national defence armament, petrochemical industry, electronic apparatus, communications and transportation, machinery, the energy, building, weaving, food, medicine.Press the difference of polymerization methods, polyflon is divided into suspending resin and dispersion resin two big classes.
Small bore heatproof cable is mainly used in high-end devices inside, is characterized in that insulating barrier is thinner, and operating ambient temperature is higher.Polytetrafluoroethylene small bore heatproof cable mainly is to twine preparation by the film that polytetrafluoroethylsuspending suspending resin prepares at present, but the cable pliability of this method preparation is undesirable, and suspending resin film explosive line when twining sintering, and the processing risk is higher.In addition, compare with dispersion resin, the particle of suspending resin is thicker, and its insulation property are not as dispersion resin.
(3) summary of the invention
The present invention is directed to existingly, the preparation method of the painted not sintering polytetrafluoroethylfilm of a kind of high density dispersion resin small bore heatproof cable twining package tape is provided by the existing weak point of suspending resin processing film small bore heatproof cable.
Method of the present invention realizes according to the following steps:
(1) choose mesolow contract than polytetrafluoroethyldispersion dispersion resin as raw material;
(2) raw material is left standstill a period of time at a lower temperature;
(3) resin raw material is mixed with molecule segment lubricant and pigment at low temperatures;
(4) mixed material is soaked at a certain temperature;
(5) under certain pressure, carry out preforming, make cylindrical paste shape blank;
(6) carry out paste and extrude, make the strand fibrillatable;
(7) roll into band;
(8) oven dry, thermal finalization;
(9) cut, rolling, process the painted not sintering polytetrafluoroethylfilm of high density dispersion resin small bore heatproof cable twining package tape.
In the said step (1), the compression ratio range that polytetrafluoroethyldispersion dispersion resin is fit to moulding is 20-750;
In the said step (2), resin raw material leaves standstill 18-24h under 12-19 ℃ of condition;
In the said step (3), mixing temperature is 12-19 ℃, and incorporation time 10-20min, molecule segment lubricant are a kind of or several mixing in solvent naphtha, kerosene or the paraffin oil, and the temperature resistant capability of pigment is above 350 ℃;
In the said step (4), infiltration temperature is 30-60 ℃, and infiltrating time is 12-24h;
In the said step (5), preforming pressure is 0.5-3.0MPa;
In the said step (6), the paste extrusion temperature is 40-70 ℃, and compression ratio is 20-250;
In the said step (7), rolling temperature is 40-70 ℃, and rolling velocity is 0.5-25m/min;
In the said step (8), bake out temperature is 120-220 ℃, and heat setting temperature is 240-320 ℃;
In the said step (9), the painted not sintering polytetrafluoroethylfilm of made high density dispersion resin small bore heatproof cable twining package tape thickness range is 0.05-0.2mm, width range 5-200mm, and density range is 1.5-1.7g/cm
3
The present invention is through selecting appropriate resin, molecule segment lubricant and pigment for use, and the parameters through in the control preparation process makes the painted not sintering polytetrafluoroethylfilm of high density dispersion resin small bore heatproof cable twining package tape product.With compare by suspending resin film preparation small bore heatproof cable; Small bore heatproof cable by preparation of product of the present invention has advantages such as the processing risk is lower, the cable flexibility is good, insulating capacity is strong; Can be widely used in numerous areas such as metallurgy, oil, chemical industry, Aeronautics and Astronautics, under hot conditions with adverse circumstances in as the control line of various electrical equipment, instrument and automatics, data wire etc.
(4) embodiment
Embodiment
The preparation method of the painted not sintering polytetrafluoroethylfilm of a kind of high density dispersion resin small bore heatproof cable twining package tape, its preparation process is following:
(1) choosing the moulding compression ratio is that the polytetrafluoroethyldispersion dispersion resin of 20-300 is as raw material;
(2) raw material is left standstill 24h under 18 ℃;
(3) resin raw material is mixed 20min with molecule segment lubricant and pigment under 18 ℃;
(4) mixed material is soaked into 12h down at 50 ℃;
(5) material after will soaking into carries out preforming under 2.5MPa, makes cylindrical paste shape blank;
(6) carry out paste and extrude, extrusion temperature is 70 ℃, and compression ratio is 180;
(7) roll into band, rolling velocity is 20m/min, and rolling temperature is 70 ℃;
(8) dry and thermal finalization, bake out temperature is 140 ℃, and heat setting temperature is 240 ℃;
(9) cut, rolling, processing thick 0.15mm, wide 10mm, density is 1.6g/cm
3The painted not sintering polytetrafluoroethylfilm of high density dispersion resin small bore heatproof cable twining package tape.
Claims (10)
1. the preparation method of the painted not sintering polytetrafluoroethylfilm of a high density dispersion resin small bore heatproof cable twining package tape is characterized in that carrying out according to the following steps:
(1) choose mesolow contract than polytetrafluoroethyldispersion dispersion resin as raw material;
(2) raw material is left standstill a period of time at a lower temperature;
(3) resin raw material is mixed with molecule segment lubricant and pigment at low temperatures;
(4) mixed material is soaked at a certain temperature;
(5) under certain pressure, carry out preforming, make cylindrical paste shape blank;
(6) carry out paste and extrude, make the strand fibrillatable;
(7) roll into band;
(8) oven dry, thermal finalization;
(9) cut, rolling, process the painted not sintering polytetrafluoroethylfilm of high density dispersion resin small bore heatproof cable twining package tape.
2. the preparation method of the painted not sintering polytetrafluoroethylfilm of a kind of high density as claimed in claim 1 dispersion resin small bore heatproof cable twining package tape; It is characterized in that in the said step (1) that it is 20-750 that polytetrafluoroethyldispersion dispersion resin is pressed the compression ratio range that is fit to moulding.
3. the preparation method of the painted not sintering polytetrafluoroethylfilm of a kind of high density as claimed in claim 1 dispersion resin small bore heatproof cable twining package tape is characterized in that in the said step (2), resin raw material leaves standstill 18-24h under 12-19 ℃ of condition.
4. the preparation method of the painted not sintering polytetrafluoroethylfilm of a kind of high density as claimed in claim 1 dispersion resin small bore heatproof cable twining package tape is characterized in that in the said step (3), mixing temperature is 12-19 ℃, incorporation time 10-20min.
5. the preparation method of the painted not sintering polytetrafluoroethylfilm of a kind of high density as claimed in claim 1 dispersion resin small bore heatproof cable twining package tape is characterized in that in the said step (4), infiltration temperature is 30-60 ℃, and infiltrating time is 12-24h.
6. the preparation method of the painted not sintering polytetrafluoroethylfilm of a kind of high density as claimed in claim 1 dispersion resin small bore heatproof cable twining package tape is characterized in that in the said step (5), preforming pressure is 0.5-3.0MPa.
7. the preparation method of the painted not sintering polytetrafluoroethylfilm of a kind of high density as claimed in claim 1 dispersion resin small bore heatproof cable twining package tape is characterized in that in the said step (6), the paste extrusion temperature is 40-70 ℃, and compression ratio is 20-250.
8. the preparation method of the painted not sintering polytetrafluoroethylfilm of a kind of high density as claimed in claim 1 dispersion resin small bore heatproof cable twining package tape is characterized in that in the said step (7), rolling temperature is 40-70 ℃, and rolling velocity is 0.5-25m/min.
9. the preparation method of the painted not sintering polytetrafluoroethylfilm of a kind of high density as claimed in claim 1 dispersion resin small bore heatproof cable twining package tape is characterized in that in the said step (8), bake out temperature is 120-220 ℃, and heat setting temperature is 240-320 ℃.
10. the preparation method of the painted not sintering polytetrafluoroethylfilm of a kind of high density as claimed in claim 1 dispersion resin small bore heatproof cable twining package tape; It is characterized in that in the said step (9); The painted not sintering polytetrafluoroethylfilm of made high density dispersion resin small bore heatproof cable twining package tape thickness range is 0.05-0.2mm; Width range is 5-200mm, and density range is 1.5-1.7g/cm
3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210177522XA CN102709009A (en) | 2012-06-01 | 2012-06-01 | Preparation method for high-density colored unsintered polytetrafluoroethylene dispersing resin small-section heat-resisting cable wrapping tape |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210177522XA CN102709009A (en) | 2012-06-01 | 2012-06-01 | Preparation method for high-density colored unsintered polytetrafluoroethylene dispersing resin small-section heat-resisting cable wrapping tape |
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| CN102709009A true CN102709009A (en) | 2012-10-03 |
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| CN201210177522XA Pending CN102709009A (en) | 2012-06-01 | 2012-06-01 | Preparation method for high-density colored unsintered polytetrafluoroethylene dispersing resin small-section heat-resisting cable wrapping tape |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963013A (en) * | 2012-12-04 | 2013-03-13 | 天津市天塑科技集团有限公司技术中心 | Method for preparing low-dielectric-loss temperature-resistance cable warping tape from unsintered polytetrafluoroethylene |
| CN104149369A (en) * | 2014-08-11 | 2014-11-19 | 天津市天塑科技集团有限公司 | Method for preparing colored non-sintered polytetrafluoroethylene small-section temperature-resistance cable wrapping tape |
| CN108752816A (en) * | 2018-05-04 | 2018-11-06 | 邵春雷 | A kind of polytetrafluoroethylene (PTFE) compound insulating materials and a kind of conducting wire and a kind of wire harness |
Citations (4)
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| US6190775B1 (en) * | 2000-02-24 | 2001-02-20 | Siemens Westinghouse Power Corporation | Enhanced dielectric strength mica tapes |
| CN101533688A (en) * | 2009-04-24 | 2009-09-16 | 曾燕飞 | Method for manufacturing smokeless incombustible temperature-resistant tetrafluoroethylene electric wire |
| CN101597379A (en) * | 2009-04-24 | 2009-12-09 | 曾燕飞 | The making method of the colored raw material band of winding and sintering tetrafluoroethylene |
| CN202205477U (en) * | 2011-08-10 | 2012-04-25 | 东莞市蓝姆材料科技有限公司 | Thin PTFE material belt for cables |
-
2012
- 2012-06-01 CN CN201210177522XA patent/CN102709009A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6190775B1 (en) * | 2000-02-24 | 2001-02-20 | Siemens Westinghouse Power Corporation | Enhanced dielectric strength mica tapes |
| CN101533688A (en) * | 2009-04-24 | 2009-09-16 | 曾燕飞 | Method for manufacturing smokeless incombustible temperature-resistant tetrafluoroethylene electric wire |
| CN101597379A (en) * | 2009-04-24 | 2009-12-09 | 曾燕飞 | The making method of the colored raw material band of winding and sintering tetrafluoroethylene |
| CN202205477U (en) * | 2011-08-10 | 2012-04-25 | 东莞市蓝姆材料科技有限公司 | Thin PTFE material belt for cables |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963013A (en) * | 2012-12-04 | 2013-03-13 | 天津市天塑科技集团有限公司技术中心 | Method for preparing low-dielectric-loss temperature-resistance cable warping tape from unsintered polytetrafluoroethylene |
| CN104149369A (en) * | 2014-08-11 | 2014-11-19 | 天津市天塑科技集团有限公司 | Method for preparing colored non-sintered polytetrafluoroethylene small-section temperature-resistance cable wrapping tape |
| CN108752816A (en) * | 2018-05-04 | 2018-11-06 | 邵春雷 | A kind of polytetrafluoroethylene (PTFE) compound insulating materials and a kind of conducting wire and a kind of wire harness |
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Address after: 300073, 52, West Lake village Avenue, Tianjin, Nankai District Applicant after: Technical Center of Tianjin Tiansu Science & Technology Group Co., Ltd. Address before: The 300384 Tianjin City Huayuan Industrial Zone Development Road six No. 6 Haitai green industry base building M7 Room 102 Applicant before: Technical Center of Tianjin Tiansu Science & Technology Group Co., Ltd. |
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Application publication date: 20121003 |