CN105133107A - Elasticizer-based production technology processing POY filament into DTY filament - Google Patents
Elasticizer-based production technology processing POY filament into DTY filament Download PDFInfo
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- CN105133107A CN105133107A CN201510468601.XA CN201510468601A CN105133107A CN 105133107 A CN105133107 A CN 105133107A CN 201510468601 A CN201510468601 A CN 201510468601A CN 105133107 A CN105133107 A CN 105133107A
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- poy
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Abstract
The invention discloses an elasticizer-based production technology processing a POY filament into a DTY filament; the POY protofilament goes with the following steps: POY protofilament-filament cutter-first roller-modification heat box-cooling plate-false twister-second roller-forming heat box-network device-third roller-oiling roller-winding roller-winding-grading examination-DTY filament package warehousing. The technology uses a series of steps to process the POY filament (pre-oriented filament) into the DTY filament; the production technology route is similar to a normal POY filament-DTY filament route yet with high automation level, technology operation is more stable, parameters are more reasonable, so the DTY filament has unique bulky performance, and size stability is excellent, thus removing most internal stress in deformation; the DTY filament is proper in bulky property, proper in elasticity, and a shrinkage in boiling water is smaller than or equal to 12%.
Description
Technical field
The present invention relates to textile raw material processing technique field, be specifically related to a kind of production technology based on elasticizer, POY silk being processed into DTY silk.
Background technology
China is a textile process big country, needs every year to consume a large amount of silk threads, and consumption is considerable.Current polyester filament finished product mainly contains two kinds.One stretches oneself and yawn silk, is DT the earliest, develops into section afterwards and spin FDY, and occur direct spin PET_FDY fairly large now, the quality of product is improving constantly, and cost is constantly reducing.Direct spin PET_FDY vitality is strong, and DT or section to spin FDY living space be commercially more and more less.
Another kind is exactly DTY silk, as everyone knows, is be DTY with DT the earliest, after use section instead and spin POY and be DTY, be fused mass directly spinning POY silk now, be DTY.It is much lower that fused mass directly spinning POY spins POY cost than section, and advantage is very large.But the fabric that the DTY polyester filament produced in prior art processes often is difficult to meet the smooth and soft requirement of people's feel.
Summary of the invention
The object of the invention is to: for the above-mentioned technical problem existed in prior art, a kind of production technology based on elasticizer, POY silk being processed into DTY silk is provided.
The present invention is achieved by the following technical solutions:
------first roller------------------------oil roller, and------put in storage Wound-up roller the 3rd roller Network device shaping heat box the second roller false twister coldplate the hot case of modification by winding---hierarchical verification------DTY silk packaging to cut a device based on elasticizer, POY silk to be processed into the production technology of DTY silk, by POY precursor successively through following steps: POY precursor.
As preferably, the cross section of described POY precursor is rounded or special-shaped.
As preferably, the linear velocity of described first roller is 410-450m/min, and the linear velocity of described second roller is 690-730m/min, and the linear velocity of described second roller is 690-730m/min.
As preferably, the temperature of the hot case of described modification is 197-198 DEG C.
As preferably, the temperature of described shaping heat box is 175 DEG C.
As preferably, the D/Y ratio of described DTY silk is 1.6-2.5, and drafting multiple is 1.6-1.7.
As preferably, described in the oil oil applying rate of roller be 2.0-4.0%.
As preferably, the mode of this DTY silk winding is biconial package or straightsided shape package.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
POY silk (pre-oriented yarn) adopts a series of production technology to be processed into DTY silk by the present invention, this production process route is close with conventional " POY silk-DTY silk " route, but automaticity is high, process operation is more stable, and parameter is more reasonable, DTY silk is made to have unique bulk performance, DIMENSIONAL STABILITY is good, and can eliminate the internal stress in major part distortion, DTY silk bulkiness is moderate, elasticity is moderate, and boiling water shrinkage is not more than 12.0%.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is present invention process schematic flow sheet;
Mark in figure: 1-cake, 2-first roller, the hot case of 3-modification, 4-coldplate, 5-false twister, the 6-the second roller, 7-shaping heat box, the 8-the three roller, 9-oil, 10-winding.
Detailed description of the invention
All features disclosed in this description, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this description (comprising any accessory claim, summary, accompanying drawing), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
I has two kinds of types, i.e. M type and V-type by company FK6-1000 type elasticizer, and wherein, H1 represents the hot case of modification, and H2 represents shaping heat box.
The long 1.46m of M type machine H1 long 2.5m, H2, the long 1.5m of coldplate.
The long 1.46m of V-type machine H1 long 2.0m, H2, the long 1.1m of coldplate.
As shown in Figure 1, precursor, after first roller feeding, is subject to the stretching of the second roller, is subject to the false twisting effect passed over from false twister simultaneously, enter the hot case of modification immediately, there is the change such as stretcher strain, HEAT SETTING in strand under the effect of tensile force, twisting twisting resistance and heat.After strand goes out the second roller, namely complete draw-texture process, fiber has certain strong, degree of stretching and bulkiness.In order to reduce the internal stress of strand, make the strand rate of crispaturaing drop to 15%-25%, curling stability brings up to 70%-80%, false-twist textured yarn is inputted the sizing of shaping heat box supplemental heat.Because shaping heat box keeps certain over feed rate(OFR), therefore strand has carried out in fact determining contraction heat sizing, and shrinkage factor is about 1%-2%.
Strand is entering modification hot case 15-25cm place, and when silk temperature reaches 90-100 DEG C, tensile stress obviously declines, and namely strand stretches.Therefore, the remainder role of hot case carries out nervous HEAT SETTING to the stretching of strand and twist distortion under tension.Strand from the hot case of modification out through the effect of coldplate be fixing strand thermal deformation, reduce its thermoplasticity, to make strand have certain rigidity, be more conducive to the transmission of the twist.
Embodiment 1
The DTY being now processed as 111dtex/48f for the POY of 177dtex/48f on folded disc type false twist texturing machine is described, and the step of degree of drawing shape processing parameter setting is as follows:
1, the setting of deformation processing speed:
First be select stretcher strain speed (getting 700m/min or 800m/min) according to this kind.
2, the setting of draw ratio:
According to stress---index or the empirical equations such as the strength and elongation of strain curve, POY of debugging POY, close and consider setting draw ratio.
(1) setting of D/Y ratio
First just determine a value by according to the material of navel and combination, then suitable D/Y ratio is set (from facts have proved according to the ratio K (T2/T1) of the false twist tension surveyed during debugging and false twist tension, excessive false twist tension is very unfavorable to the processing of fine denier filament, easy generation lousiness, easily broken, therefore should manage to reduce false twist tension during processing fine denier filament.D/Y is than the relation with false twist tension: reduce D/Y than playing the effect reducing false twist tension; Meanwhile, too high D/Y ratio, also easily makes fine denier filament be scratched, therefore fine denier filament is processed to select to compare as well compared with the D/Y at the end, but can not be too low, because D/Y is than too low, false twisting effect is bad, and untwister tension can increase, the tight point of easy generation, is generally advisable with control T2/T1=0.7 ± 0.1, neither affects false twisting effect, can dyeability be ensured again, reduce the generation of lousiness, stiff silk).
(2) setting of heater temperature t1 and t2:
According to selected first heater temperature of the physical index of processed POY, the second heater temperature.The degree of stretching of general POY is higher, and the first heater temperature also respective settings is high.Because the lower temperature that it can bear of filament number is lower, this is because filament number is low, specific area is large, easilier than conventional silk when superheated header is heated, and spinline temperature is high, is easily out of shape.So during processing fine denier filament, the first heater temperature T1 can be lower, generally more suitable with 175-190 DEG C.Temperature is too high, can increase lousiness, broken end, also may cause strand adhesion simultaneously, produces stiff silk, tight point.
(3) setting of sizing overfeeding and winding overfeeding:
According to finished silk winding tension of surveying during debugging, setting sizing overfeeding, winding overfeeding.When general radical is many, sizing overfeeding is got lower, otherwise strand easily rocks at the second hot case mouth of pipe place.
(4) setting winding traversing speed:
After start, then according to the size of actual winding tension, traversing speed is adjusted.Produce 100D, winding tension general control between 12-15g, to ensure good and that package hardness the is moderate package that is shaped.Now, our factory's inner quality standard weight of cutting into slices is that 6.0-6.1kg(refers to that roll diameter is the net weight of 250mm).Generally, traversing speed should not be got too high (preferably by adjustment winding overfeeding to adjust the weight of package), in order to avoid affect the unwinding of aft-loaded airfoil weaving process.Example: produce 111dtex/48f kind, machine speed 643m/min, traversing speed preferably controls at 300 turns/below min.
(5) setting of oiling roller rotating speed or dipstick height:
Set according to DTY oil content, oil content preferably controls 2.5 ± 0.3.General machine speed is high or fiber number is higher, and corresponding oiling roller rotating speed or dipstick height also get height.But be as the criterion according to measured oil content and get the parameter determining the best eventually.Current production kind 111dtex/48f kind, machine speed is 700m/min, and dipstick scale gets about 400mm (oiling roller rotating speed gets 18 turns/about min), also determines according to finish quality condition at that time and spindle pore size situation.
Embodiment 2
The present embodiment adopts above-mentioned production technology, and employing model is that 111dtex/72fDTY silk produced by the POY precursor of 187dtex/72f, and concrete optimum configurations is as follows:
| (1) speed of a motor vehicle: V=V2=750m/min |
| （2） D/Y=1.95 |
| (3) ingot group combination (6mm 1-7-1) |
| （4） H1=195 0C |
| （5） H2=160 0C |
| (6) OF2(sizing overfeeding)=6.0% |
| (7) OF3(winding overfeeding)=5.0% |
| (8) Oil(oil applying rate)=2rpm |
| （9） θ=28 0 |
| (10) T2(untwister tension)/T1(twisting tension)=1.05 |
| (11) T3(winding tension)=25g |
Above-described specific embodiment, further describes object of the present invention, technical scheme and beneficial effect, and institute it should be understood that and the foregoing is only specific embodiments of the invention, is not limited to the present invention.The present invention expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (8)
1. based on elasticizer, POY silk is processed into the production technology of DTY silk, it is characterized in that, by POY precursor successively through following steps: POY precursor that------first roller------------------------oil roller, and------put in storage Wound-up roller the 3rd roller Network device shaping heat box the second roller false twister coldplate the hot case of modification by winding---hierarchical verification------DTY silk packaging to cut a device.
2. the production technology based on elasticizer, POY silk being processed into DTY silk as claimed in claim 1, it is characterized in that, the cross section of described POY precursor is rounded or special-shaped.
3. the production technology based on elasticizer, POY silk being processed into DTY silk as claimed in claim 1, it is characterized in that, the linear velocity of described first roller is 410-450m/min, and the linear velocity of described second roller is 690-730m/min, and the linear velocity of described second roller is 690-730m/min.
4. the production technology based on elasticizer, POY silk being processed into DTY silk as claimed in claim 1, it is characterized in that, the temperature of the hot case of described modification is 197-198 DEG C.
5. the production technology based on elasticizer, POY silk being processed into DTY silk as claimed in claim 1, it is characterized in that, the temperature of described shaping heat box is 175 DEG C.
6. the production technology based on elasticizer, POY silk being processed into DTY silk as claimed in claim 1, it is characterized in that, the D/Y ratio of described DTY silk is 1.6-2.5, and drafting multiple is 1.6-1.7.
7. the as claimed in claim 1 production technology based on elasticizer, POY silk being processed into DTY silk, is characterized in that, described in the oil oil applying rate of roller be 2.0-4.0%.
8. the production technology based on elasticizer, POY silk being processed into DTY silk as claimed in claim 1, is characterized in that, the mode of this DTY silk winding is biconial package or straightsided shape package.
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| CN201510468601.XA CN105133107A (en) | 2015-08-04 | 2015-08-04 | Elasticizer-based production technology processing POY filament into DTY filament |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108660561A (en) * | 2017-03-28 | 2018-10-16 | 瑞德普佳（天津）实业股份有限公司 | Preparing DTY terylene greatly by POY dacron threads has the method for light flat filament |
| CN109554788A (en) * | 2018-11-21 | 2019-04-02 | 桐乡市宏洋化纤有限公司 | A kind of technique that elasticizer produces DTY |
| CN109778360A (en) * | 2019-03-14 | 2019-05-21 | 江苏中杰澳新材料有限公司 | Texturized terylene electrically conductive filament, its manufacturing method and its application |
| CN110965164A (en) * | 2019-12-20 | 2020-04-07 | 苏州龙杰特种纤维股份有限公司 | DTY (draw texturing yarn) process for regenerated sea-island composite yarn |
| CN111647988A (en) * | 2020-06-12 | 2020-09-11 | 浙江伊兰文科技股份有限公司 | Production process of hollow fiber and elastic yarn |
| CN111647991A (en) * | 2020-04-28 | 2020-09-11 | 苏州扬越高新材料有限公司 | Production process of fine denier high stretch yarn for improving subsequent manufacturing efficiency |
| CN111910310A (en) * | 2020-08-18 | 2020-11-10 | 浙江佳人新材料有限公司 | Production process of regenerated ultrahigh stretch yarn |
| CN113684637A (en) * | 2021-10-09 | 2021-11-23 | 南通斯雅淇纺织品有限公司 | Static DTY weaving silk intellectual detection system device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108660561A (en) * | 2017-03-28 | 2018-10-16 | 瑞德普佳（天津）实业股份有限公司 | Preparing DTY terylene greatly by POY dacron threads has the method for light flat filament |
| CN109554788A (en) * | 2018-11-21 | 2019-04-02 | 桐乡市宏洋化纤有限公司 | A kind of technique that elasticizer produces DTY |
| CN109778360A (en) * | 2019-03-14 | 2019-05-21 | 江苏中杰澳新材料有限公司 | Texturized terylene electrically conductive filament, its manufacturing method and its application |
| CN110965164A (en) * | 2019-12-20 | 2020-04-07 | 苏州龙杰特种纤维股份有限公司 | DTY (draw texturing yarn) process for regenerated sea-island composite yarn |
| CN111647991A (en) * | 2020-04-28 | 2020-09-11 | 苏州扬越高新材料有限公司 | Production process of fine denier high stretch yarn for improving subsequent manufacturing efficiency |
| CN111647988A (en) * | 2020-06-12 | 2020-09-11 | 浙江伊兰文科技股份有限公司 | Production process of hollow fiber and elastic yarn |
| CN111910310A (en) * | 2020-08-18 | 2020-11-10 | 浙江佳人新材料有限公司 | Production process of regenerated ultrahigh stretch yarn |
| CN113684637A (en) * | 2021-10-09 | 2021-11-23 | 南通斯雅淇纺织品有限公司 | Static DTY weaving silk intellectual detection system device |
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Application publication date: 20151209 |