CN102443915A - Method for producing polyester ITY (Interlaced Texture Yarn) through flat drafting - Google Patents
Method for producing polyester ITY (Interlaced Texture Yarn) through flat drafting Download PDFInfo
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- CN102443915A CN102443915A CN2011102636380A CN201110263638A CN102443915A CN 102443915 A CN102443915 A CN 102443915A CN 2011102636380 A CN2011102636380 A CN 2011102636380A CN 201110263638 A CN201110263638 A CN 201110263638A CN 102443915 A CN102443915 A CN 102443915A
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Abstract
The invention discloses a method for producing polyester ITY (Interlaced Texture Yarn) through flat drafting. The method adopts a drafting machine to mix and combine FDY (Full Drawn Yarn) and POY (Polyester Pre-Oriented Yarn); the drafting machine comprises a yarn feeding pressure roller, a yarn feeding tension controlling roller, a first drafting disc, a hot plate, a second drafting disc, an interlacer and a winding roller; the yarn feeding pressure roller is pressed on the yarn feeding tension controlling roller; the method is characterized in that the finished FDY is produced by one stage process, the FDY and the POY together pass through the yarn feeding pressure roller and the yarn feeding tension controlling roller to realize yarn feeding, and together pass through the first drafting disc, the hot plate, the second drafting disc and the network device in sequence to finish the winding finally; and during the process, the first drafting disc is in a heating state, the hot plate and the second drafting disc are in a non-heating state. The ITY produced by the method has the advantages that the interlacing degree is high; the boiling water shrinkage is low and can be adjusted as needed; and the dyeing uniformity is good. Therefore, the ITY can be used to produce high-grade fabrics products, particularly knitted fabrics.
Description
Technical field
The present invention relates to a kind of production method of chemical fibre silk, the flat production method of leading the ITY silk of especially a kind of terylene.
Background technology
ITY is the abbreviation of English Interlaced Texture Yarn, in Chinese, is commonly referred to the merging network yarn of optimization type.Terylene is flat to be led the ITY silk and belongs to the how different composite fibre of chemical fibre manufacturing terylene, also belongs to new product at home.At present; The output in chemical fibre market sharply rises; Cause the dacron product situation that supply exceed demand to become increasingly conspicuous, add the influence that be obstructed by textile exports, the competition more and more fierce of home sale market fiber product; Enterprise will try to achieve under severe like this situation and further develop, must differential, the functional fiber of exploitation.
The flat ITY silk that leads of existing terylene adopts drawing machine to mix fine compound to UDY and POY; The drawing machine of existing conventional generally comprises into a pressure roller, advances thread tension control roller, the first drawing-off dish, hot plate, the second drawing-off dish, Network device and take up roll; Advancing a pressure roller is pressed in on the thread tension control roller; The ZH360-SM type parallel drafting of producing like the positive magnificent chemical fibre equipment in Shanxi Co., Ltd mixes fine machine and just comprises said structure; The production method (as shown in Figure 1) that existing terylene is flat to lead the ITY silk is as follows: UDY is successively through advancing a pressure roller, advance thread tension and control roller, the first drawing-off dish, hot plate, the second drawing-off dish, Network device and take up roll, wherein; Draw ratio between the first drawing-off dish and the second drawing-off dish is about 3.5 times; Promptly have speed difference between the first drawing-off dish and the second drawing-off dish, because speed difference, UDY can be stretched in running; The first drawing-off dish and hot plate all are in heated condition; UDY realizes stretching at the first drawing-off dish, is realizing processing FDY after the typing on the hot plate; POY directly mixes with aforesaid FDY after through Network device FDY and POY are mixed after the second drawing-off dish guiding; Reel at last and process finished product ITY, such production method exists following not enough: 1, the UDY step of processing FDY belongs to two step method system FDY, and UDY is easy to generate to beat in drafting process and causes drawing-off inhomogeneous; POY directly mixes the back to get into the second drawing-off dish with FDY; There is not effective Tension Control process; Therefore the ITY that produces like this is second-rate, and UDY and FDY are easy to generate the uneven situation of obvolvent, and the ITY network degree of final production is below 70; 2, POY is to mix the back directly to get into Network device with FDY, so POY is very big to the boiling water shrinkage influence of final ITY, and the ITY boiling water shrinkage can not be regulated; 3, FDY by two step method make, reason such as ITY network degree is low, boiling water shrinkage is big, directly cause the dyeability of final finished ITY poor, the ITY inferior quality that therefore adopts existing method to produce generally can only be used for low grade products, the market competitiveness is poor.
Summary of the invention
A kind of terylene that the objective of the invention is to design for the deficiency that solves above-mentioned technology is equalled the production method of leading the ITY silk; The ITY silk that adopts this method to produce have that the network degree is high, boiling water shrinkage is little and can adjust as required, advantage that dyeability is good, can be used for producing high-grade fabric product (particularly high-grade knitted fabric).
The flat production method of leading the ITY silk of the terylene that the present invention designed; It adopts drawing machine to mix fine compound to FDY and POY; This drawing machine comprises into a pressure roller, advances thread tension control roller, the first drawing-off dish, hot plate, the second drawing-off dish, Network device and take up roll; Advance a pressure roller and be pressed in on the thread tension control roller, it is characterized in that: the finished product FDY of said FDY for adopting one-step method to make; Described FDY and POY process together advance a pressure roller and advance thread tension control roller and realize into silk, and together successively through the first drawing-off dish, hot plate, second drawing-off dish and the Network device, accomplish coiling at last; Wherein: the first drawing-off dish is a heated condition, and described hot plate, the second drawing-off dish are heated condition not.
As preferably, the said draw ratio that advances between thread tension control roller and the said first drawing-off dish is 1.006; The said first drawing-off dish is identical with the second drawing-off dish rotating speed; Over feed rate(OFR) between described second drawing-off dish and the take up roll is 4%～6%, is preferably 5%.
As preferably, the said first drawing-off dish rotating speed is 600 meters/minute, and described Network device, its network pressure are 3 kilograms.
As preferably, described FDY specification is: 60dtex/24F;
Fracture strength: >=4.00CN/dtex;
Extension at break: 35 ± 3%;
Boiling water shrinkage :≤7.0%;
Oil content: 0.80 ± 0.10%;
Described POY specification is: 90dtex/48F;
Fracture strength: >=2.50CN/dtex;
Extension at break: 125 ± 5%;
Boiling water shrinkage: 60.0 ± 5.0%.
The flat beneficial effect that leads the production method of ITY silk of the terylene of gained of the present invention is:
1, POY and FDY advance silk together, owing to advance a pressure roller and the effect of advancing thread tension control roller, no matter how to rock before advancing silk, advance a pressure roller and advance thread tension control roller and all can eliminate this and rock the influence of follow-up obvolvent and strand bar being done the uniformity generation;
2, FDY adopts the finished product FDY that one-step method makes, and in follow-up production process, need not pass through the stretching (only need guarantee in running, to keep due tension force to get final product) than the high draft multiple, reduces the jumping effect in drafting process; And FDY is identical with the track of POY operation, more helps obvolvent, and the ITY network degree that therefore makes obviously is superior to prior art;
3, the first drawing-off dish heats FDY and POY jointly, compared with prior art, and POY is a many heating steps; Can effectively reduce the boiling water shrinkage of ITY silk; In addition, through regulating the heating for fixing shape temperature of the first drawing-off dish, the boiling water shrinkage of the final ITY silk of scalable; Thereby better improve product specification, meet customer need; In addition, hot plate, the second drawing-off dish are heated condition not, promptly stop the heating to it in process of production, can guarantee FDY and the cooling effect of POY behind the first drawing-off dish;
4, the finished product FDY dyeing uniformity that makes of one-step method is better, and higher network degree and lower boiling water shrinkage all can effectively improve the dyeing uniformity of final ITY silk.
Description of drawings
Fig. 1 is the flat production technology figure that leads the production method of ITY silk of existing terylene;
Fig. 2 is the flat production technology figure that leads the production method of ITY silk of embodiment 1 terylene;
Among the figure: advance a pressure roller 1, advance thread tension control roller 2, the first drawing-off dish 3, hot plate 4, the second drawing-off dishes 5, Network device 6, take up roll 7, thread guide 8.
The specific embodiment
Combine accompanying drawing that the present invention is done further description through embodiment below.
Embodiment 1:
As shown in Figure 1; The flat production method of leading the ITY silk of the described terylene of present embodiment; It adopts drawing machine to mix fine compound to FDY and POY; This drawing machine comprises into a pressure roller, advances thread tension control roller, the first drawing-off dish, hot plate, the second drawing-off dish, Network device and take up roll, advances a pressure roller and is pressed in on the thread tension control roller, it is characterized in that: the finished product FDY of said FDY for adopting one-step method to make; Described FDY specification is: 60dtex/24F;
Fracture strength: >=4.00CN/dtex;
Extension at break: 35 ± 3%;
Boiling water shrinkage :≤7.0%;
Oil content: 0.80 ± 0.10%;
Described POY specification is: 90dtex/48F;
Fracture strength: >=2.50CN/dtex;
Extension at break: 125 ± 5%;
Boiling water shrinkage: 60.0 ± 5.0%;
Described FDY and POY process together advance a pressure roller and advance thread tension control roller and realize into silk, and together successively through the first drawing-off dish, hot plate, second drawing-off dish and the Network device, accomplish coiling at last; Wherein: the first drawing-off dish is a heated condition, and described hot plate, the second drawing-off dish are heated condition not, and the said draw ratio that advances between thread tension control roller and the said first drawing-off dish is 1.006; The said first drawing-off dish is identical with the second drawing-off dish rotating speed; Over feed rate(OFR) between described second drawing-off dish and the take up roll is 5%, and the said first drawing-off dish rotating speed is 600 meters/minute, and described Network device, its network pressure are 3 kilograms.
The flat production method of leading the ITY silk of the described terylene of present embodiment has following characteristic:
1, product is mainly used in and produces high-grade knitted and Silk shell fabric, and particularly slim imitative silk fabrics belongs to the dacron fine-denier composite fibre; Its specification is 152dtex/72F, and is therefore quite high to the inherent quality requirement of fiber, relatively harsher to the requirement of dyeing uniformity; The spinning difficulty is bigger, the bar of former silk fiber is done uniformity have quite high requirement, therefore; Generally preferably adopt the precursor of fused mass directly spinning to produce; The dyeing uniformity of FDY precursor require preferably to be up to state standards 5 grades on ash card wherein, and the bar evenness CV value of POY precursor preferably reaches below 1.20%, could effectively satisfy the requirement of this project product quality.
2, in the mixed fibre and network process of this new product; We adopt the way of the non-drawing type traction of POY that tow is fed into thread tension control roller; And import the first modification sheave, and make the POY tow advance to realize the stretching of tension force property between a roller and first sheave, promptly draw ratio approaches 1 (actual is 1.006); Just by this method the POY inherent quality is destroyed; Particularly to the destruction of boiling water shrinkage, original about 60% the boiling water shrinkage of POY is become about 8.5%, the tow after shrinkage is destroyed is realized typing and modification through the heating of first sheave again.
3, through the POY tow of non-heating type modification since the temperature of this moment than higher; Must be through the cooling of certain hour; Be unlikely tow is mixed at second sheave cause serious beating when fine and influence and mix fine quality, therefore, the duty of hot plate, the second drawing-off dish is heated condition not;
4, in mixing fine process,, therefore adopted mixed fine speed generally to be controlled at 600 meters/minute because it is roughly all identical to advance the speed of silk control roller, first sheave, second sheave; With the normal operation of protection equipment components, prolong the service life of equipment, the setting temperature of first sheave is controlled at about 100 ℃; With the abundant typing after the modification of assurance POY silk, to guarantee the dyeing quality of product, in addition; When two tow mix the fibre web network, network pressure is controlled at about 3.0kg,, is unlikely the appearance that causes filoselle to guarantee the abundant obvolvent of two tow; Guarantee the smoothness of ITY fiber when weaving, reduced the appearance of fracture of wire and lousiness.
The mode that conventional hybrid yarn composite fiber generally all adopts UDY drawing-off, POY to be incorporated into the power networks realizes mixing fine; But its inherent quality receives the influence of many-sided factor; Make the coloration of textile materials quality can not get guaranteeing that the mode that we have adopted the non-drawing type modification of POY, FDY to be incorporated into the power networks is mixed fine, makes the factor that influences product quality reduce to minimum; Particularly the processing mode of fused mass directly spinning POY and two kinds of precursor of FDY can both guarantee the inherent quality of ITY silk well, has satisfied customer requirement.In the POY modifying process; The mode that has adopted non-stretching formula to destroy; Promptly adopted mode that drafting multiple approaches 1 (actual is 1.006) to the inherent index of POY particularly boiling water shrinkage destroy; And the mode that adopts the first modification sheave pitch of the laps heating for fixing shape realizes the modification of POY; Has adopted conventional relatively draft speed lower about 600 meters/minute mixed fine speed, about 100 ℃ setting temperature and the network pressure about 3.0kg simultaneously, guaranteed the uniformity of fully mixing fine and dyeing quality and inherent index of ITY silk, so the flat ITY silk product the key technical indexes of leading of the described terylene of present embodiment is following:
1, line density: 152dtex/72F
2, line density deviation ratio: ± 3.00%
3, fracture strength: >=1.80CN/dtex
4, elongation at break: 40.0% ± 8.0%
5, boiling water shrinkage: 8.0% ± 1.0%
6, oil content: 0.70% ± 0.35%
7, network degree: 92.0 ± 12.0/meter
8, dye uniformity: evenly (4 grades on >=ash card).
Specific embodiment described herein only is that design of the present invention is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims, as:
Over feed rate(OFR) between said draw ratio, the said first drawing-off dish and the second drawing-off dish rotating ratio, the described second drawing-off dish and the take up roll that advances between thread tension control roller and the said first drawing-off dish, the rotating speed of the first drawing-off dish, the network pressure of Network device; Those of ordinary skills can do trickle change according to above-mentioned teachings, and raw material FDY and POY also can adopt other performance parameter;
The ZH360-SM type parallel drafting that this optimal process adopts Shanxi positive magnificent chemical fibre equipment Co., Ltd to produce mixes fine machine, but as long as other conventional drawing machine satisfies above-mentioned production requirement, all can be used for producing;
For satisfy the client to product lead through or after processing needs; Fixed length also can be installed on equipment resets surely and puts; Control time of its coiling through silk speed inductor, realized the needs of ITY fixed length, and when the fused mass directly spinning spinning, adopt the mode of veneer spinning to control the line density of precursor; Guarantee the weight of deciding of ITY, make final ITY product reach the heavy surely high-class product requirement of fixed length.
Claims (4)
1. a terylene is equalled the production method of leading the ITY silk; It adopts drawing machine to mix fine compound to FDY and POY; This drawing machine comprises into a pressure roller, advances thread tension control roller, the first drawing-off dish, hot plate, the second drawing-off dish, Network device and take up roll; Advance a pressure roller and be pressed in on the thread tension control roller, it is characterized in that: the finished product FDY of said FDY for adopting one-step method to make; Described FDY and POY process together advance a pressure roller and advance thread tension control roller and realize into silk, and together successively through the first drawing-off dish, hot plate, second drawing-off dish and the Network device, accomplish coiling at last; Wherein: the first drawing-off dish is a heated condition, and described hot plate, the second drawing-off dish are heated condition not.
2. the flat production method of leading the ITY silk of terylene according to claim 1 is characterized in that the said draw ratio that advances between thread tension control roller and the said first drawing-off dish is 1.006; The said first drawing-off dish is identical with the second drawing-off dish rotating speed; Over feed rate(OFR) between described second drawing-off dish and the take up roll is 4%～6%.
3. the flat production method of leading the ITY silk of terylene according to claim 2 is characterized in that the said first drawing-off dish rotating speed is 600 meters/minute, and described Network device, its network pressure are 3 kilograms.
4. according to claim 1 or the flat production method of leading the ITY silk of 2 or 3 described terylene, it is characterized in that
Described FDY specification is: 60dtex/24F;
Fracture strength: >=4.00CN/dtex;
Extension at break: 35 ± 3%;
Boiling water shrinkage :≤7.0%;
Oil content: 0.80 ± 0.10%;
Described POY specification is: 90dtex/48F;
Fracture strength: >=2.50CN/dtex;
Extension at break: 125 ± 5%;
Boiling water shrinkage: 60.0 ± 5.0%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011102636380A CN102443915A (en) | 2011-09-07 | 2011-09-07 | Method for producing polyester ITY (Interlaced Texture Yarn) through flat drafting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102636380A CN102443915A (en) | 2011-09-07 | 2011-09-07 | Method for producing polyester ITY (Interlaced Texture Yarn) through flat drafting |
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| CN102443915A true CN102443915A (en) | 2012-05-09 |
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Cited By (3)
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| CN102995151A (en) * | 2012-12-17 | 2013-03-27 | 浙江华欣新材料股份有限公司 | Method for producing color composite polyester yarn through one step |
| CN103320930A (en) * | 2013-05-16 | 2013-09-25 | 桐乡锦瑞化纤有限公司 | Production device and production technology for dacron double-polyester double-splendor Liz silk |
| CN106245173A (en) * | 2016-08-19 | 2016-12-21 | 桐昆集团股份有限公司 | A kind of production method of terylene composite filament of trying to stop people from fighting each other |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106245173A (en) * | 2016-08-19 | 2016-12-21 | 桐昆集团股份有限公司 | A kind of production method of terylene composite filament of trying to stop people from fighting each other |
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Application publication date: 20120509 |