CN101275290A - Production process of colored and functional polypropylene industrial yarn - Google Patents
Production process of colored and functional polypropylene industrial yarn Download PDFInfo
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- CN101275290A CN101275290A CNA2007101340547A CN200710134054A CN101275290A CN 101275290 A CN101275290 A CN 101275290A CN A2007101340547 A CNA2007101340547 A CN A2007101340547A CN 200710134054 A CN200710134054 A CN 200710134054A CN 101275290 A CN101275290 A CN 101275290A
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- master batch
- melt
- industrial yarn
- coloured
- spinning
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- 239000004743 Polypropylene Substances 0.000 title claims abstract description 44
- -1 polypropylene Polymers 0.000 title claims abstract description 33
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 60
- 238000009987 spinning Methods 0.000 claims abstract description 31
- 238000001035 drying Methods 0.000 claims abstract description 18
- 230000003068 static effect Effects 0.000 claims abstract description 13
- 238000005516 engineering process Methods 0.000 claims description 18
- 230000004927 fusion Effects 0.000 claims description 13
- 238000010348 incorporation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 10
- 238000002347 injection Methods 0.000 abstract description 8
- 239000007924 injection Substances 0.000 abstract description 8
- 230000000704 physical effect Effects 0.000 abstract description 6
- 239000000155 melt Substances 0.000 abstract description 4
- 238000002844 melting Methods 0.000 abstract description 2
- 230000008018 melting Effects 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract description 2
- 230000014759 maintenance of location Effects 0.000 abstract 2
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 7
- 230000003115 biocidal effect Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000000844 anti-bacterial effect Effects 0.000 description 3
- 239000003063 flame retardant Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229920004934 Dacron® Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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- Artificial Filaments (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention discloses a production process of colored and functional polypropylene industrial yarn, which comprises the following steps: 1. drying master batches produced by a master batch hopper, and then putting the dried master batches into a small screw to be melted to form master batch melt; 2. directly injecting the master batch melt into a spinning metering pump in a spinning box through a melt pump, and uniformly mixing the master batch melt and the conventional high-viscosity slice melt prepared in a main screw rod in a static mixer in front of the spinning metering pump; 3. and (4) conveying the melt mixed in the step (2) to a spinning assembly for spinning. The invention adopts the master batch melt injection method, so that the master batch melting temperature is reduced, the retention time at high temperature is reduced and is only one third of the retention time in the prior art, thereby reducing the degradation of master batch melt to the maximum extent and keeping good physical properties of the master batch melt in the spinning process.
Description
Technical field
The present invention relates to a kind of production technology of coloured and functional polypropylene industrial yarn, be applied to the modification of polypropylene industrial yarn, in particular, be meant polypropylene industrial yarns such as employing master batch melt injection method is produced colored polypropylene industry silk and other is functional as fire-retardant, antistatic, antibiotic, uvioresistant, belong to textile technology field.
Background technology
Polypropylene fibre (PP) industry silk is compared with the civilian silk of polypropylene fibre, is characterized in having anti-aging, percent thermal shrinkage is little, intensity is high, high-tensile and anti-impact force, is the fibrous raw material that industrial field has competitiveness, thereby has industrial use widely.Carry out modification by polypropylene industrial yarn, can also develop polypropylene industrial yarns such as colored polypropylene industry silk and other functional form such as fire-retardant, antistatic, antibiotic, uvioresistant routine.
Existing coloured or functional form polypropylene industrial yarn production technology, generally adopt master batch and conventional PP section to be pre-mixed after, together by drum dried, drop into screw rod jointly and carry out spinning again.This technology has following shortcoming: (1) mixed section need be carried out redrying, wastes energy, and is difficult to guarantee with the master batch mixing uniformity.(2) master batch and conventional PP section uses same screw rod to carry out fusion, the master batch heated time is long, degraded is serious, influence the physical property of industry silk, adopt the polypropylene industrial yarn of this explained hereafter, its best fracture strength can only reach 5.0cN/dtex, and the fracture strength of conventional polypropylene industrial yarn is generally can reach 6.0cN/dtex. (3) change of product the time, because transition blend melt amount is bigger, can produce a large amount of useless transitional products, unit cost increases greatly.
Summary of the invention
For solving the above-mentioned defective of prior art, the object of the present invention is to provide a kind of production technology of coloured and functional polypropylene industrial yarn, reduce the adverse effect of modification to the physical property of polypropylene industrial yarn own, in modification, keep the intrinsic superior physical properties of polypropylene industrial yarn to greatest extent, improve the flexibility of producing simultaneously, adapt to differential modified product order characteristics little, various in style.
The technical scheme that the present invention is taked for achieving the above object is: a kind of coloured and functional polypropylene industrial yarn production technology comprises the steps:
1. the master batch that the master batch hopper is produced is put into fusion formation master batch melt in the small screw after drying; Described master batch is according to producing optional from color grain such as black, yellow, blueness, redness, green master batch etc. any one of needs, or any one of functional form master batch such as fire-retardant, antistatic, antibiotic, uvioresistant master batch etc.;
The drying of master batch adopts twin master batch drying system, promptly divide into the spiral agitating type drier of a 20L at the master batch hopper, bottom polyphone one cover 100L vertical filling formula drying tower, the spiral agitating type drying system helps producing flexibly various be pilots, the fill-type drying tower is used for more large batch of production, so just can change the line of production flexibly, and the waste material that produces in the process of changing the line of production is few;
In the above-mentioned master batch drying process, baking temperature is 130～170 ℃, is preferably 155 ℃, and be 6～12 hours drying time, is preferably 10 hours.Because the restriction of manufacturing technique, the intrinsic viscosity of master batch can only reach about 0.6 at present, a little higher than this value of viscosity of PP section, the temperature of master batch fusion is high more, the time of staying is long more, the degraded of master batch melt is serious more, in order to reduce the degraded of master batch melt as far as possible, keep better physical property, reduce master batch melt temperature of being heated and the time of being heated to greatest extent, the present invention adopts the small screw of a platform independent with the master batch fusion, 275～290 ℃ of temperature, preferred 280 ℃, 4～6 minutes melting times, preferred 5 minutes.
2. before above-mentioned master batch melt being injected directly into spinning pump in the manifold by Melt Pump, making in the static mixer of PP section melt before spinning pump for preparing in master batch melt and the driving screw and evenly mix; Through the PP of super-dry section fusion in driving screw, 285 ℃ of melt temperatures are injected into after the fusion in the static mixer, gage outfit pressure 150bar; Simultaneously, the master batch melt of fusion from small screw also is injected in the static mixer and PP section melt mixed through Melt Pump, and Melt Pump is injected ratio 3% ratio of total amount (injection rate with), injection pressure 130bar; 280 ℃ of temperature in the described static mixer, the time of staying of blend melt in static mixer was 10 seconds.
3. mixed melt Conveying in the step 2 is carried out spinning to filament spinning component.
The melt that mixes in the static mixer enters into filament spinning component through spinning pump, adopts conventional high strength yarn drawing-off winding process to carry out spinning and obtains polypropylene industrial yarn.
The invention has the beneficial effects as follows:
1. the present invention adopts master batch melt injection method, the master batch melt temperature is descended, the time of staying at high temperature reduces, it only is 1/3rd of original technology, in the common process, before entering filament spinning component, the master batch melt is about 15 minutes 300 ℃ of time of staying, severely degrade easily takes place in the master batch melt under this high temperature and time, the present invention adopts independent small screw that master batch is carried out fusion, mix with conventional section melt by the Melt Pump injection then, before entering filament spinning component, the master batch melt is 4～6 minutes 280 ℃ the following time of staying of temperature like this, the time of staying under 280 ℃ temperature was 10 seconds, only be 1/3rd of original time of staying, thereby reduced the degraded of master batch melt to greatest extent, make it in spinning process, to keep good physical property, spin the polypropylene industrial yarn that comes like this, fracture strength reaches 6.2cN/dtex, and extension at break 18%, dry-hot shrinkage are 6.5% (177 ℃, 1min, 0.05g/D)
2. the master batch drying process adopts twin master batch drying system, has greatly improved the flexibility of product conversion, compares with common process, produces the transition material of product conversion hardly.
Specific embodiment
Embodiment one: adopt black agglomerate to produce the black polypropylene industrial yarn
The black agglomerate that from the master batch hopper, comes out, in the dried device of spiral agitating type, drying is 10 hours under 150 ℃, enter fusion in the small screw then, 272 ℃ of temperature, 5 minutes time, 272 ℃ of master batch melt temperature controls, conventional PP section enters the driving screw fusion, and melt temperature is controlled at 285 ± 5 ℃, gage outfit pressure 150bar, before the master batch melt is injected to spinning pump in the manifold by Melt Pump, and evenly mix in the static mixer of conventional melt before spinning pump, Melt Pump is injected ratio 3%, injection pressure 130bar, 280 ℃ of temperature in the static mixer, the blend melt time of staying was 10 seconds, mixed melt is injected into spinning pump, enter into filament spinning component, adopt conventional 850D high tenacity pp filament drawing-off winding process to carry out spinning and produce the black polypropylene industrial yarn.
Embodiment two: adopt antibacterial matrices to produce antibiotic polypropylene industrial yarn
The antibacterial matrices that from the master batch hopper, comes out, in the dried device of spiral agitating type, drying is 6 hours under 170 ℃, enter fusion in the small screw then, 285 ℃ of temperature, 5 minutes time, 280 ℃ of master batch melt temperature controls, conventional PP section enters the driving screw fusion, and melt temperature is controlled at 282 ± 3 ℃, gage outfit pressure 140bar, before the master batch melt is injected to spinning pump in the manifold by Melt Pump, and evenly mix in the static mixer of conventional PP section melt before spinning pump, Melt Pump is injected ratio 4%, injection pressure 125bar, 280 ℃ of temperature in the static mixer, incorporation time were 12 seconds, and mixed melt is injected into spinning pump, enter into filament spinning component, adopt conventional 1000D high strength yarn drawing-off winding process to carry out spinning and get antibacterial dacron industry silk.
Claims (9)
1, a kind of production technology of coloured and functional form polypropylene industrial yarn, its feature comprises:
1. the master batch that the master batch hopper is produced is put into fusion in the small screw after drying, and melt temperature is 275～290 ℃, 4～6 minutes time;
2. before above-mentioned master batch melt being injected directly into spinning pump in the manifold by Melt Pump, making in the static mixer of conventional high sticking section melt before spinning pump for preparing in master batch melt and the driving screw and evenly mix;
3. with step 2. in mixed melt Conveying to filament spinning component, carry out spinning.
2, the production technology of a kind of coloured and functional form polypropylene industrial yarn according to claim 1 is characterized in that: described master batch is according to producing optional from color grain or functional form master batch any one of needs.
3, the production technology of a kind of coloured and functional form polypropylene industrial yarn according to claim 1 is characterized in that: the drying process of described master batch adopts twin master batch drying system.
4, the production technology of a kind of coloured and functional form polypropylene industrial yarn according to claim 1, it is characterized in that: the baking temperature of described master batch is 130～170 ℃, be 6～12 hours drying time.
5, the production technology of a kind of coloured and functional form polypropylene industrial yarn according to claim 4, it is characterized in that: the baking temperature of described master batch is 155 ℃, drying time is for being 10 hours.
6, the production technology of a kind of coloured and functional form polypropylene industrial yarn according to claim 1, it is characterized in that: described master batch melt temperature is 275～290 ℃, 5 minutes time.
7, the production technology of a kind of coloured and functional form polypropylene industrial yarn according to claim 6, it is characterized in that: described master batch melt temperature is 280 ℃, 5 minutes time.
8, the production technology of a kind of coloured and functional form polypropylene industrial yarn according to claim 1 is characterized in that: 285 ℃ of the conventional PP section melt temperatures in the described driving screw, gage outfit pressure 150bar.
9, the production technology of a kind of coloured and functional form polypropylene industrial yarn according to claim 1 is characterized in that: 280 ℃ of the temperature in the described static mixer, 10 seconds of incorporation time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101340547A CN101275290A (en) | 2007-10-18 | 2007-10-18 | Production process of colored and functional polypropylene industrial yarn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101340547A CN101275290A (en) | 2007-10-18 | 2007-10-18 | Production process of colored and functional polypropylene industrial yarn |
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| Publication Number | Publication Date |
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| CN101275290A true CN101275290A (en) | 2008-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101340547A Pending CN101275290A (en) | 2007-10-18 | 2007-10-18 | Production process of colored and functional polypropylene industrial yarn |
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| CN (1) | CN101275290A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102787376A (en) * | 2012-08-09 | 2012-11-21 | 浙江古纤道新材料股份有限公司 | Process for producing melt direct-spinning multifunctional PET (Polyester) industrial yarns |
| CN105908265A (en) * | 2016-05-20 | 2016-08-31 | 广东蒙泰纺织纤维有限公司 | Method for coloring polypropylene fiber through injection of color master batch flux |
| CN109371488A (en) * | 2018-08-26 | 2019-02-22 | 上海金慈实业有限公司 | A kind of modified superelevation strength polypropylene industrial yarn |
-
2007
- 2007-10-18 CN CNA2007101340547A patent/CN101275290A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102787376A (en) * | 2012-08-09 | 2012-11-21 | 浙江古纤道新材料股份有限公司 | Process for producing melt direct-spinning multifunctional PET (Polyester) industrial yarns |
| CN102787376B (en) * | 2012-08-09 | 2015-02-25 | 浙江古纤道新材料股份有限公司 | Process for producing melt direct-spinning multifunctional PET (Polyester) industrial yarns |
| CN105908265A (en) * | 2016-05-20 | 2016-08-31 | 广东蒙泰纺织纤维有限公司 | Method for coloring polypropylene fiber through injection of color master batch flux |
| CN109371488A (en) * | 2018-08-26 | 2019-02-22 | 上海金慈实业有限公司 | A kind of modified superelevation strength polypropylene industrial yarn |
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Open date: 20081001 |