CN103643309A - Manufacturing method of melt direct spinning polyester activation industrial yarns - Google Patents
Manufacturing method of melt direct spinning polyester activation industrial yarns Download PDFInfo
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- CN103643309A CN103643309A CN201310621862.1A CN201310621862A CN103643309A CN 103643309 A CN103643309 A CN 103643309A CN 201310621862 A CN201310621862 A CN 201310621862A CN 103643309 A CN103643309 A CN 103643309A
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Abstract
The invention discloses a manufacturing method of melt direct spinning polyester activation industrial yarns. The manufacturing method comprises step 1, viscosifying melts; step 2, performing direct spinning on the melts, wherein the high viscosity polyester melts are conveyed to the spinning positions to enter into a spinning box, jetted out of a spinneret plate after being metered and filtered and clustered and oiled after cross air blow cooling to enter into a spinning channel, the front pressure of a metering pump is 12 to 14 Mpa and the rear pressure of the pump is 23 to 25 Mpa, the temperature of the slow cooling area is 360 to 365 DEG C, the air speed of the cross air blow is 1 to 2 meters every second, the air temperature of the cross air blow is 30 to 35 DEG C, and the air humidity of the cross air blow is 75%; step 3, performing drafting and heat shaping which comprise performing the two-stage drafting, performing the relaxation heat shaping and performing activation treatment through activating oiling agents, wherein oiling comprises oiling spinning oil agents and the activating oiling agents and the total oiling rate is controlled to be 0.45%; step 4, performing winding forming, wherein fibers are formed through winding after weaving to obtain the products and the pressure of a stitching machine is 2 to 3 Mpa.According to the manufacturing method of the melt direct spinning polyester activation industrial yarns, the flow limitation of the melting of the traditional screw is broken through, the single head spinning fineness can reach 2000 deniers, the cost is low, and the efficiency is high.
Description
Technical field
The present invention relates to the manufacture method of smelt direct spinning terylene activated industrial silk.
Background technology
Activate at present the manufacture method of polyester industrial yarn, be subject to the flow restriction of traditional screw rod melting, cost is low, efficiency is high.
Summary of the invention
The manufacture method that the object of the present invention is to provide a kind of smelt direct spinning terylene activated industrial silk, it breaks through the flow restriction of traditional screw rod melting, and single unit spinning fiber number can reach for 2000 dawn, and cost is low, efficiency is high.
For achieving the above object, technical scheme of the present invention is the manufacture method of a kind of smelt direct spinning terylene activated industrial silk of design, comprises the steps:
1) melt tackify: the low sticky melt of polycondensation gained is delivered directly in vertical liquid-phase tackifying still and carries out the polymerization of melt liquid-phase tackifying, and the top of low sticky melt self-supporting liquid-phase tackifying still enters, and under Action of Gravity Field, natural film forming flows down; Described liquid-phase tackifying is that the low sticky melt that viscosity that polycondensation is obtained is 0.85～0.90dl/g carries out tackify in the film formation reaction still of vertical liquid-phase tackifying still, and reaction temperature is 265～270 ℃, and reaction pressure is 45～50Pa, 2～3 hours reaction time;
2) melt direct spinning: high viscosity polyester melt Conveying, to each spinning station, enters spinning manifold, melt is sprayed by spinnerets after metering, filtration, then after lateral blowing is cooling, boundling oils, and enters spinning shaft; Before measuring pump, pressing is 12～14MPa, presses 23～25MPa after pump; 360～365 ℃ of slow cooling district temperature; The wind speed of lateral blowing is 1～2m/s, 30～35 ℃ of wind-warm syndrome, rheumatism 75%;
3) drawing and heat-setting: carry out two-stage stretching, and relaxation heat setting, upper activation finish carries out activation processing; Oil and comprise spinning oil and activation finish, total oil applying rate is controlled at 0.45%;
4) coiling and molding: fiber is after network processes, and coiling and molding, makes product; Network device pressure is 2～3MPa.
Advantage of the present invention and beneficial effect are: a kind of manufacture method of smelt direct spinning terylene activated industrial silk is provided, and it breaks through the flow restriction of traditional screw rod melting, and single unit spinning fiber number can reach for 2000 dawn, and cost is low, efficiency is high.
The specific embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is further described.Following examples are only for technical scheme of the present invention is more clearly described, and can not limit the scope of the invention with this.
The concrete technical scheme of implementing of the present invention is:
Embodiment 1
A manufacture method for smelt direct spinning terylene activated industrial silk, comprises the steps:
1) melt tackify: the low sticky melt of polycondensation gained is delivered directly in vertical liquid-phase tackifying still and carries out the polymerization of melt liquid-phase tackifying, and the top of low sticky melt self-supporting liquid-phase tackifying still enters, and under Action of Gravity Field, natural film forming flows down; Described liquid-phase tackifying is that the low sticky melt that viscosity that polycondensation is obtained is 0.85dl/g carries out tackify in the film formation reaction still of vertical liquid-phase tackifying still, and reaction temperature is 265 ℃, and reaction pressure is 45Pa, 2 hours reaction time;
2) melt direct spinning: high viscosity polyester melt Conveying, to each spinning station, enters spinning manifold, melt is sprayed by spinnerets after metering, filtration, then after lateral blowing is cooling, boundling oils, and enters spinning shaft; Before measuring pump, press as 12MPa, after pump, press 23MPa; 360 ℃ of slow cooling district temperature; The wind speed of lateral blowing is 1m/s, 30 ℃ of wind-warm syndrome, rheumatism 75%;
3) drawing and heat-setting: carry out two-stage stretching, and relaxation heat setting, upper activation finish carries out activation processing; Oil and comprise spinning oil and activation finish, total oil applying rate is controlled at 0.45%;
4) coiling and molding: fiber is after network processes, and coiling and molding, makes product; Network device pressure is 2MPa.
Embodiment 2
A manufacture method for smelt direct spinning terylene activated industrial silk, comprises the steps:
1) melt tackify: the low sticky melt of polycondensation gained is delivered directly in vertical liquid-phase tackifying still and carries out the polymerization of melt liquid-phase tackifying, and the top of low sticky melt self-supporting liquid-phase tackifying still enters, and under Action of Gravity Field, natural film forming flows down; Described liquid-phase tackifying is that the low sticky melt that viscosity that polycondensation is obtained is 0.90dl/g carries out tackify in the film formation reaction still of vertical liquid-phase tackifying still, and reaction temperature is 270 ℃, and reaction pressure is 50Pa, 3 hours reaction time;
2) melt direct spinning: high viscosity polyester melt Conveying, to each spinning station, enters spinning manifold, melt is sprayed by spinnerets after metering, filtration, then after lateral blowing is cooling, boundling oils, and enters spinning shaft; Before measuring pump, press as 14MPa, after pump, press 25MPa; 365 ℃ of slow cooling district temperature; The wind speed of lateral blowing is 2m/s, 35 ℃ of wind-warm syndrome, rheumatism 75%;
3) drawing and heat-setting: carry out two-stage stretching, and relaxation heat setting, upper activation finish carries out activation processing; Oil and comprise spinning oil and activation finish, total oil applying rate is controlled at 0.45%;
4) coiling and molding: fiber is after network processes, and coiling and molding, makes product; Network device pressure is 3MPa.
Embodiment 3
A manufacture method for smelt direct spinning terylene activated industrial silk, comprises the steps:
1) melt tackify: the low sticky melt of polycondensation gained is delivered directly in vertical liquid-phase tackifying still and carries out the polymerization of melt liquid-phase tackifying, and the top of low sticky melt self-supporting liquid-phase tackifying still enters, and under Action of Gravity Field, natural film forming flows down; Described liquid-phase tackifying is that the low sticky melt that viscosity that polycondensation is obtained is 0.88dl/g carries out tackify in the film formation reaction still of vertical liquid-phase tackifying still, and reaction temperature is 268 ℃, and reaction pressure is 48Pa, 2.5 hours reaction time;
2) melt direct spinning: high viscosity polyester melt Conveying, to each spinning station, enters spinning manifold, melt is sprayed by spinnerets after metering, filtration, then after lateral blowing is cooling, boundling oils, and enters spinning shaft; Before measuring pump, press as 13MPa, after pump, press 24MPa; 363 ℃ of slow cooling district temperature; The wind speed of lateral blowing is 1.2m/s, 34 ℃ of wind-warm syndrome, rheumatism 75%;
3) drawing and heat-setting: carry out two-stage stretching, and relaxation heat setting, upper activation finish carries out activation processing; Oil and comprise spinning oil and activation finish, total oil applying rate is controlled at 0.45%;
4) coiling and molding: fiber is after network processes, and coiling and molding, makes product; Network device pressure is 2.3MPa.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (1)
1. the manufacture method of smelt direct spinning terylene activated industrial silk, is characterized in that, comprises the steps:
1) melt tackify: the low sticky melt of polycondensation gained is delivered directly in vertical liquid-phase tackifying still and carries out the polymerization of melt liquid-phase tackifying, and the top of low sticky melt self-supporting liquid-phase tackifying still enters, and under Action of Gravity Field, natural film forming flows down; Described liquid-phase tackifying is that the low sticky melt that viscosity that polycondensation is obtained is 0.85～0.90dl/g carries out tackify in the film formation reaction still of vertical liquid-phase tackifying still, and reaction temperature is 265～270 ℃, and reaction pressure is 45～50Pa, 2～3 hours reaction time;
2) melt direct spinning: high viscosity polyester melt Conveying, to each spinning station, enters spinning manifold, melt is sprayed by spinnerets after metering, filtration, then after lateral blowing is cooling, boundling oils, and enters spinning shaft; Before measuring pump, pressing is 12～14MPa, presses 23～25MPa after pump; 360～365 ℃ of slow cooling district temperature; The wind speed of lateral blowing is 1～2m/s, 30～35 ℃ of wind-warm syndrome, rheumatism 75%;
3) drawing and heat-setting: carry out two-stage stretching, and relaxation heat setting, upper activation finish carries out activation processing; Oil and comprise spinning oil and activation finish, total oil applying rate is controlled at 0.45%;
4) coiling and molding: fiber is after network processes, and coiling and molding, makes product; Network device pressure is 2～3MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310621862.1A CN103643309A (en) | 2013-11-30 | 2013-11-30 | Manufacturing method of melt direct spinning polyester activation industrial yarns |
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| CN201310621862.1A CN103643309A (en) | 2013-11-30 | 2013-11-30 | Manufacturing method of melt direct spinning polyester activation industrial yarns |
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| CN103643309A true CN103643309A (en) | 2014-03-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674357A (en) * | 2015-03-24 | 2015-06-03 | 海安县华荣化纤有限公司 | Production method for superfine-denier polyester filaments |
| CN108085756A (en) * | 2017-12-27 | 2018-05-29 | 无锡市兴盛新材料科技有限公司 | A kind of PBT fused mass directly spinnings fibre technology |
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| CN103088453A (en) * | 2013-02-04 | 2013-05-08 | 浙江古纤道新材料股份有限公司 | Manufacturing technique of melt direct spinning polyester activate industrial yarns |
| CN103088454A (en) * | 2013-02-04 | 2013-05-08 | 浙江古纤道新材料股份有限公司 | Production method of melt direct spinning high-modulus low-shrinkage polyester industrial filament |
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2013
- 2013-11-30 CN CN201310621862.1A patent/CN103643309A/en active Pending
Patent Citations (7)
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| KR20050057925A (en) * | 2003-12-11 | 2005-06-16 | 도레이새한 주식회사 | Manufacturing method of polyester ultra-fine filament drawn yarn having excellent uniformity and spinning work ability and contrivance for preparing thereof |
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| CN103088454A (en) * | 2013-02-04 | 2013-05-08 | 浙江古纤道新材料股份有限公司 | Production method of melt direct spinning high-modulus low-shrinkage polyester industrial filament |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104674357A (en) * | 2015-03-24 | 2015-06-03 | 海安县华荣化纤有限公司 | Production method for superfine-denier polyester filaments |
| CN108085756A (en) * | 2017-12-27 | 2018-05-29 | 无锡市兴盛新材料科技有限公司 | A kind of PBT fused mass directly spinnings fibre technology |
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Application publication date: 20140319 |