CN1715231A - Botelun fiber and its producing method - Google Patents
Botelun fiber and its producing method Download PDFInfo
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- CN1715231A CN1715231A CN 200510046542 CN200510046542A CN1715231A CN 1715231 A CN1715231 A CN 1715231A CN 200510046542 CN200510046542 CN 200510046542 CN 200510046542 A CN200510046542 A CN 200510046542A CN 1715231 A CN1715231 A CN 1715231A
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Abstract
The present invention provides a new kind of composite fiber, named Botelun fiber. The composite fiber has glass fiber base and coated heat resistant and anticorrosive flexible organic polymer film layer. The coated organic polymer may be PTFE, polyimide or polybenzoxazole, and the composite fiber may be filament or staple fiber. The present invention also provides the production process of Botelun filament and staple fiber, and the production process includes the steps of drawing glass fiber and subsequent hot dressing, soaking and hot melting or hot setting. The Botelun fiber of the present invention is used in weaving high temperature filtering cloth or base cloth and needle punched blanket.
Description
Technical field
The invention belongs to artificial filament's manufacturing and chemically treated technical field thereof, promptly propose a kind of advanced composite material fiber and manufacture method thereof.
Background technology
Glass fibre is a kind of inorganic materials fiber, and its chemical stability is better, and density is at 2.5～2.7g/cm
3About, specific tenacity surpasses other natural fiber, organic synthetic fibers and various alloy fiber.And it is compared with organic fibre and has good heat endurance, and its performance depends primarily on the composition of glass itself, usually with K contained in the glass
+, Na
+How many ionic is decided to be medium-alkali glass fiber and alkali-free glass fiber, and the softening temperature of these glass fibre is up to 550～750 ℃.Because These characteristics, glass fibre is processed into glasscloth, glasscloth and fiberglass needled mat as high-temperature-resistant filtering material, is widely used in multiple industries such as iron and steel, cement, electric power, waste incineration with cleaning high-temp flue gas and collection micro mist material.But because glass fibre is crisp easy to break, wear resisting property is relatively poor, and is also relatively poor to the solidity to corrosion of some chemical substance such as fluorochemical, and it is very restricted in application facet as high-temperature filter material.In recent years, people have made number of research projects for improving glass dimension high-temperature filter material performance, perhaps with other fiber and glass fibre interlayer manufacturing Nomex, or with other fiber and glass fibre blending with manufacturing blending glass cloth and blending Woven glass cloth.Though obtain certain effect, but still fail to overcome better the glass fibre built-in problem.
Summary of the invention
The objective of the invention is to seek a kind of method that overcomes the above-mentioned shortcoming of glass fibre, reach with this method and make the glass fibre modification, both kept glass fibre itself high temperature resistant, higher advantages such as specific tenacity are arranged; Can improve its flexibility and wear resisting property again, and the ability that improves its anti-fluorochemical and strong corrosive medium.
The invention provides a kind of New-type composite fibre of naming to the glass Telon, it coats one deck organic polymer thin film high temperature resistant, corrosion-resistant, that flexibility is good with the glass fibre outside surface and forms.
The New-type composite fibre of glass Telon of the present invention can be that long filament also can be a short-term.
The organic polymer that the present invention is coated on glass heart yearn outside surface can be tetrafluoroethylene, polyimide or polybenzoxazole.
Tetrafluoroethylene is a kind of high molecular synthetic material, and three kinds of granular, powdery and dispersion liquids are arranged.
Its molecular structure is:
It has remarkable resistance to chemical corrosion, and except that molten metal sodium and liquid fluorine, other all pharmaceutical chemicalss of ability boil also in chloroazotic acid and do not change.Its good heat resistance, minimum operating temperature-269 ℃; 250 ℃ of maximum operating temperatures.
Polyimide is a thermoplastic resin, and its molecular structure is:
R is-O-in the formula,
-CH
2-wait gene.
It has outstanding resistance to elevated temperatures, can keep favorable mechanical performance and electrical property in-310～+ 343 ℃ scope 250～280 ℃ of following long term operations.Polyimide can be used as engineering plastics, also can be in order to make materials such as synthon, film, coating and tackiness agent.
Polybenzoxazole is a kind of by 3, the high-temperature polymer that 3 ' one a dihydroxybiphenyl amine and a benzoyl chloride or the condensation of dioctyl phthalate phenyl ester form, and its molecular structure is:
Polybenzoxazole has good thermotolerance and thermo-oxidative stability, can use under 400～500 ℃ of temperature.
Corresponding with the said products invention, the invention provides a kind of method that is used to make aforementioned glass Telon New-type composite fibre filamentary material, operations such as the drawing that comprises glass fibre is shaped, lubricated, winding, unwinding, spinning, it is characterized in that drawing at glass fibre be added with coating in addition after being shaped, flood organic polymer thin film and heat fusing, the typing two procedures.
The present invention also provides a kind of method that is used to make the short wire material of aforementioned glass Telon New-type composite fibre, the drawing that comprises glass fibre is shaped, lubricated, twine, short cutting and operation such as spinning, it is characterized in that drawing and be added with coating in addition after being shaped, flood organic polymer thin film and heat fusing two procedures at glass fibre.
Glass Telon advanced composite material of the present invention except that having the total resistance toheat of glass fibre and surface refractory organic polymer, also has the high-tensile of glass fibre heart yearn; Erosion resistance, flexibility and scratch-resistant performance with organic polymer.With glass Telon complex fiber material manufacturing high-temperature filter cloth provided by the present invention or Nomex, the range of application that not only can greatly widen sack cleaner; And can prolong work-ing life of fly-ash separator greatly.
Description of drawings
The cross-sectional structure synoptic diagram of Fig. 1 Botelun fiber of the present invention;
The synoptic diagram of the vertical wire-drawing frame of one of device of Fig. 2 glass Telon of the present invention drawing process; 1 ball material feed device, 2 metal level robot control system(RCS)s, 3 are fiber drawing furnace, 4 thin film cladding devices (roll-type baster), 5 heat fusing devices, 6 lubricated liquid bath, 7 drawing wire machinees or winds among the figure;
Fig. 3 is horizontal wire-drawing frame synoptic diagram for two of the device of glass Telon drawing process of the present invention.3 is molten-glass pool, 4 thin film cladding devices among the figure---steeping vat, 5 heat fusing devices (coating apparatus for baking), 6 lubricated liquid baths, 7 drawing wire machinees or wind, 8 are bushing, 9 tractive reversing systems;
Fig. 4 is manufacturing process's structured flowchart of Botelun fiber of the present invention.
Embodiment
Narrate the specific embodiment of the present invention below in conjunction with accompanying drawing, and content of the present invention is further described and replenishes by embodiment.
Glass Telon of the present invention is to be heart yearn with middle alkali formula alkali free glass fibre, the tencel material of making at its organic polymer thin film that surface applied one deck is high temperature resistant, corrosion-resistant, flexibility is good.So its production technique is:
(1) drawn glass fiber.Glass fibre of the present invention is the above textile fibreglasses of 45 yarns.Its production technique can adopt vertical unit as shown in Figure 2, also can adopt horizontal type device as shown in Figure 3.
(2) coating organic polymer thin film.Below bushing, add the peace roll-type and be coated with " oil " device (see figure 2) or steeping vat (see figure 3).Tetrafluoroethylene melt or dispersion liquid or polyimide and polybenzoxazoles melt are housed in being coated with " oil " device or steeping vat, when glass installs by these two kinds, its surface just can be coated with uniformly applies this several organic polymer coatings, again through one section heat fusing or heat setting type passage with coated and dried, promptly become cross section Botelun fiber as shown in Figure 1.
(3) twine Botelun fiber.Botelun fiber after the oven dry is drawn to the lane of drawing wire machine or wind on tube through lubricated liquid bath.
(4) lubricated.It is in order further to improve the spinning properties of fiber that the Botelun fiber surface will be coated with lubricating fluid, and this is for satisfying the requirement of spinning technology parameter.
(5) unwinding or short cutting.Can select this two procedures that Botelun fiber is made long filament or short silk respectively.
(6) spinning.After the spinning of glass Telon long filament, can be used for weaving high heat filter fabric or base cloth; Short silk also can be weaved high heat filter fabric or base cloth after spinning, also can be directly used in the manufacturing Nomex.
Embodiment 1
C-glass marble is dropped in the molten-glass pool of vertical glass wire-drawing frame, 1350 ℃ of bath temperatures adopt for the platinum bushing 1150 ℃ of bushing temperature.With 1500 meters/minute pulling speeds the glass molten drop is drawn 45 macrofibers by small opening, fiber is that 350 ℃ roll-type is coated with " oil " device and is coated with and applies polytetrafluorethylecoatings coatings by temperature, and coat-thickness is about 0.1～0.5 μ m.Finalize the design through 300 ℃ hot blast again.With after the lubricating fluid groove is stained with spinning lubricant, be wound at last on the reel, just make Botelun fiber.
With the Botelun fiber reel, through unwinding, spinning, packing can be dispatched from the factory, or enters and weave the workshop it is made into high heat filter fabric or base cloth.
Embodiment 2
Middle alkali glass melt in the molten-glass pool among Fig. 3 from being leting slip a remark on 1150 ℃ the bushing, temperature is drawn, by temperature is the glass Telon that 500 ℃ polyimide coating steeping vat is made cross section such as Fig. 1, and the polyimide coat-thickness that is flooded is about 0.2～0.4 μ m.Successively through 400 ℃ heat setting type be coated with spinning lubricant, be entangled on the spinning reel by wind at last again.
Botelun fiber on the reel is cut through too short, spinned, weave cotton cloth and make high heat filter fabric or base cloth.Also can lack and cut after combing, folded net, acupuncture, operation such as singe are made Nomex, as high-temperature-resistant filtering material.
E-glass marble is dropped in the molten bath of vertical wire-drawing frame, about 1400 ℃ of bath temperature adopts the platinum rhodium bushing, and 1250 ℃ of plate surface temperatures are drawn into 80 macrofibers with 2000 meters/minute pulling speeds.Fiber is coated with " oil " device by 550 ℃ roll-type and is coated with and applies polybenzoxazole coating, and coat-thickness is 0.3 μ m.Handle, be coated with spinning lubricant through 500 ℃ of heat fusings again after making Botelun fiber, be wound into tube.
Long filament unwinding, spinning, weaving cotton cloth promptly can be made into high heat filter fabric or base cloth.
Embodiment 4
With embodiment 1, be drawn into silk with e-glass marble, coating polyimide coating, 500 ℃ of application temperatures, coat-thickness are about 0.4 μ m.400 ℃ of heat fusing temperature add spinning lubricant, are wound in tube.
The short weak point silk that is cut into, spinning, weaving cotton cloth is made into high heat filter fabric or base cloth.Or make Nomex by combing, folded net, acupuncture, operation such as singe, as high-temperature filter material.
With embodiment 2, be drawn into silk with non-alkali glass, the dipping polybenzoxazole.Dipping temperature is 550 ℃, and the heat fusing temperature is 500 ℃, makes the Botelun fiber core line diameter and is about 3 μ m, and coat-thickness is about 1 μ m.Be spun into long filament through lubricating, twine, bringing down a fever again; Or the short weak point silk that is cut into after twining.
With embodiment 1, be drawn into silk with c-glass marble.1500 meters/minute of drawing speeds, 45 yarns.Be coated with " oil " device coating polyimide with roll-type, applied thickness is about 0.2 μ m.Heat fusing under 400 ℃ of temperature.Lubricated through spinning lubricant again, twine on the reel.
Make high heat filter fabric or base cloth through unwinding, spinning; Or through short cutting direct combing, folded net, acupuncture, singe, have a shave etc. operation is made the Nomex high-temperature filter material.
From above cited the foregoing description as can be seen:
Technical characterictic of the present invention just is with the glass fibre to be core, and coating or dipping are gone up suitable organic polymer protective layer and made tensile strength height, high temperature resistant, corrosion-resistant and high-temperature-resistant filtering material that flexibility is good.The scope of this request patent protection just of the present invention.
Claims (6)
1, a kind of glass Telon conjugated fibre, it is matrix with the glass fibre, it is characterized in that coating on the outside surface of glass fibre the organic polymer thin film that one deck is high temperature resistant, corrosion-resistant and flexibility is good.
2, by the described glass Telon of claim 1 conjugated fibre, it is characterized in that said organic polymer can be tetrafluoroethylene, polyimide or polybenzoxazole.
3, by the described glass Telon of claim 1 conjugated fibre, it is characterized in that said glass fibre is a long filament.
4,, it is characterized in that said glass fibre is short silk by the described glass Telon of claim 1 conjugated fibre.
5, a kind of method of making claim 1,3 described glass Telon conjugated fibre long filaments, the drawing that comprises glass fibre is shaped, lubricated, winding, unwinding and spinning process, it is characterized in that glass fibre draws to be added with coating in addition or to be impregnated with organic polymer and heat fusing or typing two procedures after being shaped.
6, a kind of method of making claim 1, the short silk of 4 described glass Telon conjugated fibres, comprise that glass fibre draws moulding, lubricates, twines, lacks and cut and spinning process, after it is characterized in that glass fibre draws shaping, other is added with coating or is impregnated with organic polymer and heat fusing or heat setting type two procedures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100465423A CN1301227C (en) | 2005-05-30 | 2005-05-30 | Botelun fiber and its producing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100465423A CN1301227C (en) | 2005-05-30 | 2005-05-30 | Botelun fiber and its producing method |
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| CN1715231A true CN1715231A (en) | 2006-01-04 |
| CN1301227C CN1301227C (en) | 2007-02-21 |
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| CNB2005100465423A Expired - Fee Related CN1301227C (en) | 2005-05-30 | 2005-05-30 | Botelun fiber and its producing method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1944311B (en) * | 2006-09-13 | 2011-01-19 | 营口耐斯特滤料科技有限公司 | PTFE dip coated glass fiber and its producing method |
| CN102839478A (en) * | 2011-06-21 | 2012-12-26 | 江苏蓝天环保集团有限公司 | Acid-resistant sewing line for dust collecting bag and manufacturing method thereof |
| CN102909932A (en) * | 2012-10-31 | 2013-02-06 | 广东生益科技股份有限公司 | Method of applying high temperature-resistant buffer materials in glass cloth welding cloth |
| CN105837059A (en) * | 2016-04-22 | 2016-08-10 | 常州天马集团有限公司（原建材二五三厂） | Grey yarn for low-gram-weight glass fiber chopped strand felt and manufacturing method thereof |
| CN109939494A (en) * | 2019-03-27 | 2019-06-28 | 盐城工学院 | A kind of heat resist modification glass fibre filtrate for industrial flue gas cleaning |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100402132C (en) * | 2003-06-20 | 2008-07-16 | 上海过滤器厂 | Filter material of tefloncomposite membrane |
| CN1528819A (en) * | 2003-10-09 | 2004-09-15 | 林良云 | PTFE modified polyphenylene sulfide composite material and pelleting process thereof |
-
2005
- 2005-05-30 CN CNB2005100465423A patent/CN1301227C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1944311B (en) * | 2006-09-13 | 2011-01-19 | 营口耐斯特滤料科技有限公司 | PTFE dip coated glass fiber and its producing method |
| CN102839478A (en) * | 2011-06-21 | 2012-12-26 | 江苏蓝天环保集团有限公司 | Acid-resistant sewing line for dust collecting bag and manufacturing method thereof |
| CN102909932A (en) * | 2012-10-31 | 2013-02-06 | 广东生益科技股份有限公司 | Method of applying high temperature-resistant buffer materials in glass cloth welding cloth |
| CN102909932B (en) * | 2012-10-31 | 2015-03-25 | 广东生益科技股份有限公司 | Method of applying high temperature-resistant buffer materials in glass cloth welding cloth |
| CN105837059A (en) * | 2016-04-22 | 2016-08-10 | 常州天马集团有限公司（原建材二五三厂） | Grey yarn for low-gram-weight glass fiber chopped strand felt and manufacturing method thereof |
| CN109939494A (en) * | 2019-03-27 | 2019-06-28 | 盐城工学院 | A kind of heat resist modification glass fibre filtrate for industrial flue gas cleaning |
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| Publication number | Publication date |
|---|---|
| CN1301227C (en) | 2007-02-21 |
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Granted publication date: 20070221 Termination date: 20190530 |