CN1068640C - Process for producing fine denier polypropylene fiber short-staple - Google Patents
Process for producing fine denier polypropylene fiber short-staple Download PDFInfo
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- CN1068640C CN1068640C CN97106114A CN97106114A CN1068640C CN 1068640 C CN1068640 C CN 1068640C CN 97106114 A CN97106114 A CN 97106114A CN 97106114 A CN97106114 A CN 97106114A CN 1068640 C CN1068640 C CN 1068640C
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Abstract
The present invention belongs to an industrialized production and manufacture technology of a polypropylene fiber. The industrialized production and manufacture technology is named as a production and manufacture technology for a fine denier polypropylene short fiber. The fine denier polypropylene short fiber is formed by properly blending polypropylene slices and additives through the processing steps of front spinning and back spinning. The technology is simple and reasonable, and technological parameters are properly adjusted on original equipment for producing the polypropylene fiber. A garment material can be produced. The garment material has the advantages of rich raw material source, low price, same product hand feel as that of natural fiber, good ventilation property and good wicking effect, can fundamentally change the wax texture of a fiber article and can be suitable for popular consumption.
Description
The invention belongs to the manufacturing technique of a kind of suitability for industrialized production of polypropylene fiber, it is called the manufacturing process of fine-denier polypropylene staple fibre.
Present cotton spinning industry is all depressed, and its main cause is that aging cotton is in short supply in addition for product structure.Proverb is said right " skilful son's wife's difficulty makes bricks without straw ", is not having raw material, or under the situation of raw material sources wretched insufficiency, the development of cotton spinning industry: the one, lean on national policy; The 2nd, seek new raw material sources.Promptly to look for the best alternative fiber of cotton fiber.After practice makes people recognize that progressively fiber number when third fiber is less than 1.11dtex, just thoroughly eliminated the wax sense of synthetic fiber, its outward appearance and feel not only are as good as with the combed cotton of high-quality, and having than the better wicking of cotton, is one of a kind of desirable update product that solve current cotton fiber imbalance between supply and demand.Polypropylene fibre is a kind of fiber of cheapness, adds its light specific gravity (seeing the following form), and the material of equal weight can be produced more fabric, helps reducing cost.
The proportion of several fibers
Polypropylene fibre: 0.91～0.92 nylon: 1.14
Cotton: 1.50～1.55 terylene: 1.38～1.39
Viscose glue: 1.52 eyeball synthetic fibres: 1.14～1.17
Wool: 1.30～1.32 glasses: 2.54
Polypropylene fibre also has good anti-chemical, the concentrated sulfuric acid, concentrated hydrochloric acid almost do not have influence to polypropylene fibre, in 50% NaOH solution, or intensity reduces hardly in 28% the ammoniacal liquor, under the effect of strong oxidizer, the intensity of polypropylene fibre is almost constant, polypropylene fiber also has anti-insect, antimycotic performance, and regain is extremely low, and contamination property and contaminative are also very low, and gather static and be easy to characteristics such as washing for a short time, be a kind of cheap and good-quality raw material, but, make its application be subjected to very big restriction because the manufacturing fiber number of polypropylene fiber rests on the level at thick dawn for many years always.The manufacturing of fine-denier polypropylene staple fibre for many years still rests on the breadboard stage, does not form large-scale industrial production, and its main cause is owing to never design rational large-scale industrial production manufacturing technique.
The purpose of the present invention's design is to avoid above-mentioned the deficiencies in the prior art, and provide a kind of fine-denier polypropylene the short manufacturing process of tieing up, the large-scale industrial production of the fine-denier polypropylene staple fibre of 0.56～1.11dtex can be put into practice, its technological process is as follows: pass through after polypropylene P.P section and the suitable blend of additive again and before spin, after spin manufacturing procedure and finish, the additive that it is characterized in that first procedure is by antistatic additive, lubricant, mix by different proportionings, before spin manufacturing procedure and comprise the spinning cooling quench, reel, the bucket that falls, after spin operation and comprise, boundling, one drawing-off oil bath, two road drawing-offs, superheated steam, three road drawing-offs, finish application bath, curl, Re Dingre, cut off packing.It is the technological improvement of producing third fiber to existing, the technology advantages of simple, design the rational polymer-extruded expanded distribution plate and the draw ratio of spinnerets, can satisfy the requirement of cotton spinning machine to the fine-denier polypropylene staple fibre, on the basis of original production polypropylene fibre, suitably adjust fabrication process condition, can finish the present invention, raw material sources are very abundant, the product of being produced has the advantages that to improve fabric feeling and wearability, and cost is low, and price has only 80% of cotton fiber, it is the material of taking of suitable popular consumption, the wax sense of energy radical change chemical ﹠ blended fabric, wicking should be better than other chemical ﹠ blended fabrics, and gas permeability is good, feel has the same feel of natural fabric, can reach with genuine style of false generation.
To achieve these goals, the present invention can adopt following measure to realize, described fine-denier polypropylene staple fibre manufacturing process is as follows: pass through after polypropylene P.P section and the suitable blend of additive again and before spin, after spin manufacturing procedure, it is characterized in that additive is by anti-quiet dose, lubricant, mix by different proportionings, before spin manufacturing procedure and comprise cooling quench, reel, bucket falls, after spin manufacturing procedure and comprise, boundling, one drawing-off, oil bath, two road drawing-offs, superheated steam, three road drawing-offs, finish application bath, curl, HEAT SETTING, cut off packing, the temperature in screw rod five districts in the described fore-spinning is between 270～305 ℃, the temperature in flange district is controlled at: 270～280 ℃, bend pipe district: 265～275 ℃, spinning manifold: 265～275 ℃, quench air velocity: 0.4～0.6m/min, wind-warm syndrome: 15～25 ℃, spin speed: 700～850m/min, before spin and oil: 1～2.1%, precursor oil supply rate: the 12%-20% that wets.
To achieve these goals, the present invention can also adopt following measure to realize, spin its total denier of boundling in the manufacturing procedure after described at ten thousand dawn of 65-78, the total draft multiple is 3-4 (comprising one drawing-off, two road drawing-offs, three road drawing-off sums), draw speed is 80～120m/min (speed that refers to last wire vent), used steam is superheated steam: 110-125 ℃ in drafting process, and the crimping machine master presses: 1.8～2.0kg/cm
2, back pressure: 1.0～1.5kg/cm
2
To achieve these goals, the present invention can also adopt following measure to realize, the temperature in HEAT SETTING four districts in the manufacturing procedure of described back is respectively: a district: 90～110 ℃, and two districts: 110～120 ℃, three districts: 120～130 ℃, four districts: 90～100 ℃.
To achieve these goals, the present invention can also adopt following measure to realize, spins the used spinnerets diameter of worker before described to be: 160mm, and hole count is: 700-850, draw ratio is: 1: 3～3.5, the aperture is: 0.26～0.3mm.
To achieve these goals, the present invention can adopt following measure to realize, in the described cut-out packing process, and the shearing length of polypropylene fiber: 30～40mm.
Fig. 1 is the embodiments of the invention process charts:
In order to be illustrated more clearly in the present invention, the present invention is done further explanation below in conjunction with embodiment:
Embodiment 1:
The manufacturing process of fine-denier polypropylene staple fibre as shown in Figure 1 passes through after for polypropylene P.P section and the suitable blend of additive again and before spins, after spin manufacturing procedure and finish, additive is by antistatic additive: Zhu Bo Lasite 051 (being Drewp last051), lubricant: stearic acid etc., by a certain percentage: spin after compound the preparing that manufacturing procedure comprises cooling quench, coiling, boundling, one drawing-off, oil bath, two road drawing-offs, superheated steam, three road drawing-offs, finish application bath, curls, HEAT SETTING, cut-out packing.The temperature in screw rod five districts in the described fore-spinning is respectively: a district: 305 ℃, and two districts: 300 ℃, three districts: 295 ℃, four districts: 280 ℃, five districts: 275 ℃.The temperature in flange district is: 275 ℃, and the bend pipe district: 270 ℃, spinning manifold: 267 ℃, quench air velocity: 0.45m/min, wind-warm syndrome: 16 ℃, spin speed: 750m/min, preceding spinning oils: 1.5%, the precursor oil supply rate that wets: 15%.After spin boundling total denier in the manufacturing procedure: 660,000 dawn, the total draft multiple: 4, draw speed: 90m/min, draft temperature: 56 ℃ of oil baths, superheated steam: 110 ℃, the crimping machine master presses: 1.8kg/cm
2, back pressure: 1.2kg/cm
2Four district's temperature of HEAT SETTING are respectively: a district: 100 ℃, and two districts: 115 ℃, three districts: 125 ℃, four districts: the 95 ℃ of shearing length of cutting off the polypropylene fiber of packing process: 35mm.
Embodiment 2 with the difference of embodiment 1 is:
The spinning body temperature of spinning process is controlled at 270 ℃, quench air velocity: 0.5m/min, 20 ℃ of wind-warm syndrome are spun speed: 800m/min, before spin and oil 2%, the precursor oil supply rate that wets: 20%, after the boundling total denier that spins in the manufacturing procedure be controlled at for 700,000 dawn, total draft multiple: 3.5, draw speed: 100m/min, draft temperature: oil bath: 60 ℃, 115 ℃ of superheated steams, the crimping machine master presses two 1.9kg/cm
2, back pressure: 1.15kg/cm
2, shearing length 38mm.
Enforcement of the present invention has following advantage:
Fiber number is at the fine-denier polypropylene fiber of 0.56～1.11dtex, can carry out large-scale industrial production, the technology advantages of simple, on the equipment of original production polypropylene fibre, suitable adjusting process parameter, can produce, raw material sources are abundant, and cheap, the product of being produced has the advantages that to improve fabric feeling and wearability, it is the material of taking of suitable popular consumption, the wax sense of energy radical change chemical ﹠ blended fabric, wicking is better than other chemical ﹠ blended fabric, and gas permeability is good, feel has the same feel of natural fabric, and its style can reach with genuine degree of false generation.
Claims (5)
1, a kind of fine-denier polypropylene staple fibre manufacturing process, be before to spin by passing through again after polypropylene P.P section and the suitable blend of additive, after spin manufacturing procedure and finish, it is characterized in that additive is to be mixed by different proportionings with lubricant by antistatic additive, before spin manufacturing procedure and comprise cooling quench, reel, the bucket that falls, after spin manufacturing procedure and comprise boundling, one drawing-off, oil bath, two road drawing-offs, superheated steam, three road drawing-offs, finish application bath, curl, HEAT SETTING is cut off packing, and the temperature in screw rod five districts in the described fore-spinning is between 270～305 ℃, the temperature in flange district is controlled at 270～280 ℃, the bend pipe district: 265～275 ℃, spinning manifold: 265～275 ℃, quench air velocity: 0.4～0.6m/min, wind-warm syndrome: 15～25 ℃, spin speed: 700～850m/min, preceding spinning oils: 1～2.1%, the precursor oil supply rate that wets: 12%～20%.
2, a kind of according to the described fine-denier polypropylene staple fibre of claim 1 manufacturing process, spin its total denier of boundling in the manufacturing procedure after it is characterized in that at 65～780,000 dawn, the total draft multiple is 3-4, draw speed is 80-120m/min, used steam is superheated steam in drafting process: 110～125 ℃, the crimping machine master presses 1.8～2.0kg/cm
2, back pressure, 1.0～1.5kg/cm
2
3, a kind of according to the described fine-denier polypropylene staple fibre of claim 2 manufacturing process, the temperature that it is characterized in that HEAT SETTING four districts in the manufacturing procedure of back is respectively a district: 90-110 ℃, two districts: 110-120 ℃, three districts: 120-130 ℃, four districts: 90-100 ℃.
4, a kind of according to the described fine-denier polypropylene staple fibre of claim 3 manufacturing process, it is characterized in that spinning jet used diameter is in the described fore-spinning: 160mm, hole count is: the 700-850 hole, and draw ratio: 1: 3～3.5, the aperture is: 0.26～0.30mm.
5, a kind of according to the described fine-denier polypropylene staple fibre of claim 3 manufacturing process, it is characterized in that the cut-out packing process in, the shearing length of polypropylene fiber: 30-40mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97106114A CN1068640C (en) | 1997-09-24 | 1997-09-24 | Process for producing fine denier polypropylene fiber short-staple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97106114A CN1068640C (en) | 1997-09-24 | 1997-09-24 | Process for producing fine denier polypropylene fiber short-staple |
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| Publication Number | Publication Date |
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| CN1212299A CN1212299A (en) | 1999-03-31 |
| CN1068640C true CN1068640C (en) | 2001-07-18 |
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| CN97106114A Expired - Fee Related CN1068640C (en) | 1997-09-24 | 1997-09-24 | Process for producing fine denier polypropylene fiber short-staple |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100344803C (en) * | 2003-12-23 | 2007-10-24 | 上海联吉合纤有限公司 | Method and apparatus for preparing chemical staple fiber |
| CN101812736B (en) * | 2010-03-16 | 2011-09-14 | 江苏丝丝缘纤维有限公司 | Production method of superfine polypropylene composite fully-drawn wallpaper fiber |
| CN102392312A (en) * | 2011-08-22 | 2012-03-28 | 宁波华业材料科技有限公司 | Method for preparing regenerated return polypropylene fibrilled film fibers |
| CN103462268B (en) * | 2013-09-13 | 2016-03-02 | 句容市后白镇迎瑞印花厂 | A kind of preparation method of anti-static fabric |
| CN105876884B (en) * | 2016-05-16 | 2017-09-01 | 宏杰内衣股份有限公司 | A kind of intelligent ventilating massage brassiere and preparation method thereof |
| CN105962446B (en) * | 2016-05-16 | 2018-04-13 | 宏杰内衣股份有限公司 | A kind of water-fastness antibacterial, ventilating brassiere underwear and preparation method thereof |
| CN109295513A (en) * | 2018-12-17 | 2019-02-01 | 广东蒙泰高新纤维股份有限公司 | A kind of method that melt-spun-wet spinning technology prepares super High-strength low-shrinkage polypropylene filament yarn |
| CN115992399A (en) * | 2023-03-01 | 2023-04-21 | 湖北博韬合纤有限公司 | Preparation process of high-strength polypropylene staple fibers |
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1997
- 1997-09-24 CN CN97106114A patent/CN1068640C/en not_active Expired - Fee Related
Patent Citations (12)
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|---|---|---|---|---|
| FR1553761A (en) * | 1966-09-06 | 1969-01-17 | ||
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| EP0064802A2 (en) * | 1981-05-13 | 1982-11-17 | Imperial Chemical Industries Plc | Process of melt spinning polypropylene |
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| CN1212299A (en) | 1999-03-31 |
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Owner name: SHANDONG SHIJIKANG INDUSTRY CO.,LTD. Free format text: FORMER OWNER: HUSHAN INDUSTRIAL GROUP CO., LTD., SHANDONG PROV. Effective date: 20010831 |
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Effective date of registration: 20010831 Address after: 255400 Shandong Zibo Economic Development Zone, Linzi Patentee after: Shandong century Kang Industrial Co., Ltd. Address before: 255438 Shandong Province, Zibo city Linzi District Nanwang Economic Development Zone Patentee before: Hushan Industrial Group Co., Ltd., Shandong Prov. |
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