CN102102252B - Heat-resistant complex glass fiber sewing thread and preparation method thereof - Google Patents
Heat-resistant complex glass fiber sewing thread and preparation method thereof Download PDFInfo
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- CN102102252B CN102102252B CN2011100688747A CN201110068874A CN102102252B CN 102102252 B CN102102252 B CN 102102252B CN 2011100688747 A CN2011100688747 A CN 2011100688747A CN 201110068874 A CN201110068874 A CN 201110068874A CN 102102252 B CN102102252 B CN 102102252B
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Abstract
The invention provides a heat-resistant complex glass fiber sewing thread which has high tensile strength, thermostability, good corrosion resistance, static resistance, low production cost and long service life, and a preparation method thereof so as to meet the using requirements of a sewing thread in environments with high temperature, strong corrosive performance, large static electricity, and the like. The heat-resistant complex glass fiber sewing thread comprises a plurality of glass fiber monofilaments and at least one metal filament which are twisted together, a sintered layer is arranged on the surface of the heat-resistant complex glass fiber sewing thread, and an impregnated layer is arranged on the surface of each glass fiber monofilament. The impregnated layer and the sintered layer can improve the flexibility, the folding resistance, the wear resistance, the corrosion resistance and the like of the crude filaments and the sewing thread.
Description
Technical field
The present invention relates to a kind of high temperature resistant sewing thread and preparation method thereof, especially a kind of heat-resistant composite glass fiber sewing thread and preparation method thereof.
Background technology
The glass fibre sewing thread is widely used in that high temperature resistant fabric is made, the dust removal and filtration bag make electrically insulating material, heat-insulating material, cable filler, fire proofing material, wick, seal, winding heating wire and heater element etc.
Especially aspect the processing of environmental protection dust removal and filtration bag, the glass fibre sewing thread can be used in and make various filter bags on the industry high speed seamer; Make corrosion resistance fabrics such as acidproof, alkaline-resisting.Can use at 260 ℃ long-term down, can satisfy the needs that industrial departments such as iron and steel, carbon black, metallurgy, cement sew up filter bag.
Existing ordinary sewing line exists problems such as tensile strength is lower, folding wears no resistance, resistance to elevated temperatures is general, chemical-resistance is general; Can't satisfy the instructions for use in some special places, like some to the applied environment and the bigger occasion of some static of having relatively high expectations such as powerful, corrosion-resistant.
Summary of the invention
The invention provides that a kind of tensile strength is high, high temperature resistant, good corrosion resistance, antistatic, production cost are low, long service life, heat-resistant composite glass fiber sewing thread that anti-wear performance is good and preparation method thereof, to satisfy the instructions for use of sewing thread under the environment such as high temperature, corrosivity is strong, static is big.
Realize the heat-resistant composite glass fiber sewing thread of one of the object of the invention; By many glass monofilament and above wire and twist with the fingers and form; There is one deck sinter layer on the surface of said heat-resistant composite glass fiber sewing thread, and there is one deck impregnate layer on the surface of said glass monofilament, and said glass monofilament directly soaks into processing when wire drawing; Form impregnate layer, can strengthen the ABRASION RESISTANCE of glass monofilament.Impregnate layer and sinter layer can improve pliability, folding resistance, ABRASION RESISTANCE, corrosion resistance of precursor and sewing thread etc.
The diameter of said glass monofilament is 3.8 μ m～5.5 μ m.
Said diameter wiry≤20 μ m, percentage elongation≤2.8%, tensile strength>=500MPa.
The impregnate layer of said glass monofilament forms through soaking into the emulsion dipping, and described infiltration emulsion contains film forming agent emulsion 15wt%～30wt%.
The sinter layer of said heat-resistant composite glass fiber sewing thread is dried through the impregnation process of mixed solution again, and sintering forms; Described mixed solution composition is: film forming agent 35wt%～45wt%; Water and oil repellent agent 6wt%～8wt%, emulsifying agent 0.9wt%～1.5wt%, coupling agent 0.4wt%～0.9wt%; Related medium 2wt%～5wt%, water surplus.
Realize the preparation method of two the heat-resistant composite glass fiber sewing thread of the object of the invention, comprise the steps:
(1) the glass monofilament draws and to soak into emulsion simultaneously and handle, and forms impregnate layer, adopts precursor directly to handle, and separates operation and is spun into yarn through moving back;
(2) yarn that moves back after separating is pooled capital with wire process and sth. made by twisting operation, adds to be twisted into required composite glass fiber sewing thread;
(3) with the impregnation process of the described composite glass fiber sewing thread of step (2), get into oven dry in the prebake machine then, get at last and carry out sintering in the sintering furnace, form sinter layer on composite glass fiber sewing thread surface through mixed solution.
Described infiltration emulsion contains film forming agent emulsion 15wt%～30wt%; Described mixed solution composition is: film forming agent 35wt%～45wt%, water and oil repellent agent 6wt%～8wt%, emulsifying agent 0.9wt%～1.5wt%, coupling agent 0.4wt%～0.9wt%, related medium 2wt%～5wt%, water surplus.
The speed of service of the described composite glass fiber sewing thread of step (2) in immersion system is 1～4m/min; In dryer with sintering furnace in the speed of service be 1.5～3.5m/min.
Described bake out temperature is 160 ℃; Described sintering temperature is 280 ℃.
Heat-resistant composite glass fiber sewing thread of the present invention behind glass and wire doubling twisting, is processed through the PTEE coating; Smooth surface, softness, wear-resisting, folding resistance good, have intensity height, great thermotolerance, resistance to chemical attack, premium properties such as antistatic; On high-speed industrial sewing machine, sewing does not produce the untwisting phenomenon, thereby can guarantee that line needle tracking in sewing is bright and clean, phozy, do not break, and makes or is applied in the various product, under 280 ℃ high temperature, uses, and broken string can not ftracture.
Description of drawings
Fig. 1 is a heat-resistant composite glass fiber sewing thread structural representation of the present invention.
The specific embodiment
Heat-resistant composite glass fiber sewing thread embodiment of the present invention is following:
As shown in Figure 1, heat-resistant composite glass fiber sewing thread of the present invention, by many glass monofilament 1 and an one metal wire 2 and twist with the fingers and form, there is one deck sinter layer 3 on the surface of said heat-resistant composite glass fiber sewing thread, and there is one deck impregnate layer 4 on the surface of said glass monofilament 1.Impregnate layer 4 and sinter layer 3 can improve the pliability, folding resistance, ABRASION RESISTANCE, corrosion resistance of precursor and sewing thread etc.
The diameter of glass monofilament 1 is 3.8 μ m in the heat-resistant composite glass fiber sewing thread of present embodiment; The diameter 20 μ m of wire 2, percentage elongation 2.8%, tensile strength 500MPa.
The preparation method of the heat-resistant composite glass fiber sewing thread of present embodiment comprises the steps:
(1) glass monofilament 1 draws and soaks into emulsion simultaneously and handle, and forms impregnate layer 4, adopts precursor directly to handle, and separates operation and is spun into yarn through moving back;
(2) yarn that moves back after separating is pooled capital with wire 2 processes and sth. made by twisting operation, adds to be twisted into required composite glass fiber sewing thread;
(3) with the impregnation process of the described composite glass fiber sewing thread of step (2), get into oven dry in the prebake machine then, get at last and carry out sintering in the sintering furnace, form sinter layer 3 through mixed solution.
Described infiltration emulsion contains film forming agent emulsion (ptfe emulsion) 15wt%, mylar 20%, coupling agent 1%, lubricant 5%, antistatic additive 2%, water surplus; Described mixed solution composition is: film forming agent (ptfe emulsion) 35wt%, water and oil repellent agent (AG710) 6wt%, emulsifying agent 0.9wt%, coupling agent 0.4wt%, related medium (glacial acetic acid) 2wt%, water surplus.
The speed of service of the described composite glass fiber sewing thread of step (2) in immersion system is 1m/min; In dryer with sintering furnace in the speed of service be 1.5m/min.
Described bake out temperature is 160 ℃; Described sintering temperature is 280 ℃.
The diameter of glass monofilament 1 is the diameter 10 μ m of 5.5 μ m wires 2 in the heat-resistant composite glass fiber sewing thread of present embodiment, percentage elongation 1.5%, tensile strength 800MPa.
The preparation method of the heat-resistant composite glass fiber sewing thread of present embodiment comprises the steps:
(1) glass monofilament 1 draws and soaks into emulsion simultaneously and handle, and forms impregnate layer 4, adopts precursor directly to handle, and separates operation and is spun into yarn through moving back;
(2) yarn that moves back after separating is pooled capital with wire 2 processes and sth. made by twisting operation, adds to be twisted into required composite glass fiber sewing thread;
(3) with the impregnation process of the described composite glass fiber sewing thread of step (2), get into oven dry in the prebake machine then, get at last and carry out sintering in the sintering furnace, form sinter layer 3 through mixed solution.
Described infiltration emulsion contains film forming agent emulsion (ptfe emulsion) 30wt%, mylar 20%, coupling agent 1%, lubricant 5%, antistatic additive 2%, water surplus; Described mixed solution composition is: film forming agent (ptfe emulsion) 45wt%, water and oil repellent agent (AG710) 8wt%, emulsifying agent 1.5wt%, coupling agent 0.9wt%, related medium (glacial acetic acid) 5wt%, water surplus.
The speed of service of the described composite glass fiber sewing thread of step (2) in immersion system is 4m/min; In dryer with sintering furnace in the speed of service be 3.5m/min.
Described bake out temperature is 160 ℃; Described sintering temperature is 280 ℃.
The advantage of the foregoing description 1 and 2 products is following:
1, heat-resistant composite glass fiber sewing thread of the present invention behind glass and wire doubling twisting, is processed through the PTEE coating; Smooth surface, softness, wear-resisting, folding resistance good, have intensity height, great thermotolerance, resistance to chemical attack, premium properties such as antistatic; On high-speed industrial sewing machine, sewing does not produce the untwisting phenomenon, thereby can guarantee that line needle tracking in sewing is bright and clean, phozy, do not break, and makes or is applied in the various product, under 280 ℃ high temperature, uses, and broken string can not ftracture.
2, the filament diameter of glass fibre is thin more; Folding resistance is just good more; 5.5 the glass of μ m is higher 2.5 times than the glass folding resistance of 8 μ m; Heat-resistant composite glass fiber sewing thread of the present invention adopts the ultra-fine glass plying of the alkali-free of filament diameter 3.8～5.5 μ m, twisting, and then processes after the post processing processing through special process; The tensile strength of sewing thread, folding, anti-wear performance significantly improve.
3, in the heat-resistant composite glass fiber sewing thread of the present invention, wire diameter≤20 μ m, percentage elongation≤2.8%, the wire of tensile strength>=500MPa and glass fibre also close back twisting, make the powerful whole of sewing thread promote nearly 15～20%.
4, heat-resistant composite glass fiber sewing thread of the present invention directly soaks into emulsion (containing film forming agent emulsion 15%～30% in its composition) processing when the glass wire drawing; Simplify the ABRASION RESISTANCE that technology has strengthened yarn simultaneously; Thereby reduce the wearing and tearing of spinning to yarn, and reduce broken end, boost productivity.
5, lower, the long service life of heat-resistant composite glass fiber sewing thread production cost of the present invention can fully satisfy the instructions for use of special industries such as high temperature, high burn into high strength.
6, the sinter layer of heat-resistant composite glass fiber sewing thread of the present invention adopts the mixed solution impregnation process of special proportioning; The oven dry sintering forms; Heat-resistant composite glass fiber sewing thread through after the mixed solution processing of said ratio has very high cost performance; The overall target of product reaches optimum state, and leading indicator is following:
Claims (9)
1. heat-resistant composite glass fiber sewing thread; It is characterized in that: by many glass monofilament and above wire and twist with the fingers and form; There is one deck sinter layer on the surface of said heat-resistant composite glass fiber sewing thread; There is one deck impregnate layer on the surface of said glass monofilament, and said glass monofilament directly soaks into processing when wire drawing, forms impregnate layer.
2. heat-resistant composite glass fiber sewing thread according to claim 1 is characterized in that: the diameter of said glass monofilament is 3.8 μ m～5.5 μ m.
3. heat-resistant composite glass fiber sewing thread according to claim 1 is characterized in that: said diameter wiry≤20 μ m, percentage elongation≤2.8%, tensile strength>=500MPa.
4. heat-resistant composite glass fiber sewing thread according to claim 1 is characterized in that: the impregnate layer of said glass monofilament forms through soaking into the emulsion dipping, and described infiltration emulsion contains film forming agent emulsion 15wt%～30wt%.
5. heat-resistant composite glass fiber sewing thread according to claim 1 is characterized in that: the sinter layer of said heat-resistant composite glass fiber sewing thread is dried through the impregnation process of mixed solution again, and sintering forms; Described mixed solution composition is: film forming agent 35wt%～45wt%, water and oil repellent agent 6wt%～8wt%, emulsifying agent 0.9wt%～1.5wt%, coupling agent 0.4wt%～0.9wt%, related medium 2wt%～5wt%, water surplus.
6. the preparation method of a heat-resistant composite glass fiber sewing thread is characterized in that: comprise the steps:
(1) the glass monofilament draws and to soak into emulsion simultaneously and handle, and forms impregnate layer, adopts precursor directly to handle, and separates operation and is spun into yarn through moving back;
(2) yarn that moves back after separating is pooled capital with wire process and sth. made by twisting operation, adds to be twisted into required composite glass fiber sewing thread;
(3) with the impregnation process of the described composite glass fiber sewing thread of step (2), get into oven dry in the prebake machine then, get at last and carry out sintering in the sintering furnace, form sinter layer on composite glass fiber sewing thread surface through mixed solution.
7. the preparation method of heat-resistant composite glass fiber sewing thread according to claim 6 is characterized in that: described infiltration emulsion contains film forming agent emulsion 15wt%～30wt%; Described mixed solution composition is: film forming agent 35wt%～45wt%, water and oil repellent agent 6wt%～8wt%, emulsifying agent 0.9wt%～1.5wt%, coupling agent 0.4wt%～0.9wt%, related medium 2wt%～5wt%, water surplus.
8. the preparation method of heat-resistant composite glass fiber sewing thread according to claim 6 is characterized in that: the speed of service of the described composite glass fiber sewing thread of step (2) in immersion system is 1～4m/min; In dryer with sintering furnace in the speed of service be 1.5～3.5m/min.
9. the preparation method of heat-resistant composite glass fiber sewing thread according to claim 6 is characterized in that: described bake out temperature is 160 ℃; Described sintering temperature is 280 ℃.
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| CN102357321B (en) * | 2011-07-19 | 2013-09-25 | 宋朋泽 | PTFE (polytetrafluoroethylene) composite filtering material and its manufacturing method |
| CN103184622A (en) * | 2011-12-28 | 2013-07-03 | 盐城市华跃织布厂 | Cored aramid fiber-polyethylene fiber fabric |
| CN102561035A (en) * | 2012-02-17 | 2012-07-11 | 武汉鑫友泰光电科技有限公司 | Method for preparing quartz fiber sewing thread |
| CN102784517B (en) * | 2012-08-10 | 2014-09-03 | 营口市洪源玻纤科技有限公司 | Ultra-fine glass fiber coated substrate and preparation method thereof |
| CN104963030B (en) * | 2015-06-01 | 2017-10-27 | 北京中铁润海科技有限公司 | A kind of corrosion-resistant high-toughness high-strength composite fibre and its production technology |
| CN114214764B (en) * | 2021-12-15 | 2022-12-23 | 浙江金旗新材料科技有限公司 | Elastic yarn manufacturing method |
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| GB2033443B (en) * | 1978-11-04 | 1982-12-01 | Ferodo Ltd | Impregnation of yarn |
| GB2096658A (en) * | 1981-04-10 | 1982-10-20 | Tba Industrial Products Ltd | Glass fibre yarns |
| JPS63270742A (en) * | 1987-04-30 | 1988-11-08 | Aisin Chem Co Ltd | Production of asbestos-free clutch facing |
| GB2214937B (en) * | 1988-02-09 | 1991-12-11 | Ppg Glass Fibres Limited | Improvements in and relating to glass fibre products |
| US6381940B1 (en) * | 2000-04-19 | 2002-05-07 | Supreme Elastic Corporation | Multi-component yarn and method of making the same |
| US6363703B1 (en) * | 2000-06-01 | 2002-04-02 | Supreme Elastic Corporation | Wire wrapped composite yarn |
| CN101328690A (en) * | 2008-07-30 | 2008-12-24 | 江苏九鼎新材料股份有限公司 | Fabrication process of glass fibre for enhanced tooth type belt |
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Effective date of registration: 20160824 Address after: 115004 Liaoning Province, Yingkou City West District No. 101 West Street wise Patentee after: Liaoning Xin Hongyuan environmental protection material Co. Ltd. Address before: 115000 Liaoning Province, Yingkou City West District No. 101 West Street wise Patentee before: Song Pengze |