CN103590140B - A kind of imitative multiple polyisocyanate of linen look is combined short fibre and manufacture method thereof - Google Patents
A kind of imitative multiple polyisocyanate of linen look is combined short fibre and manufacture method thereof Download PDFInfo
- Publication number
- CN103590140B CN103590140B CN201310483761.2A CN201310483761A CN103590140B CN 103590140 B CN103590140 B CN 103590140B CN 201310483761 A CN201310483761 A CN 201310483761A CN 103590140 B CN103590140 B CN 103590140B
- Authority
- CN
- China
- Prior art keywords
- viscosity
- polyester
- section
- temperature
- low
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The present invention relates to a kind of imitative multiple polyisocyanate of linen look and be combined short fibre and manufacture method thereof.It is in 0.90 0.95dl/g, weight portion 40% 60% including: polyester slice with high viscosity viscosity；Low-viscosity polyester intrinsic viscosity is in 0.42 0.45dl/g, weight portion 40% 60%；Wherein polyester slice with high viscosity is made up of high convergency section and normal polyester section, and the harmomegathus the most dry shrinkage factor size ratio of high convergency section and normal polyester section is between 2:1 ~ 7:1.The present invention why can produce many and close permanent be owing to there being general 0.48 ~ 0.50dl/g differences in viscosity between full-bodied compound material component and low-viscosity polyester from crimping the twist, this differences in viscosity be enough to as providing powerful power from curling；It addition, the existence of high convergency component, the power formed required for the curling can be reduced, many and close certainly crimp the twist, to reach the requirement required for super imitative leprosy lattice it is thus possible to formed.
Description
Technical field
The present invention relates to a kind of polyester staple fiber production technology of textile material field, particularly relate to a kind of novel multiple polyisocyanate composite short fiber manufacture with super imitative fiber crops effect.
Background technology
The short fibre that the linnet occurred on existing market is used, mostly it is to be prepared by one-component spinning, drawing-off, that effect of its imitative fiber crops is mainly formed by adding the external physical effect of heavy twist to fiber rather than by fiber realize from the curling twist mechanism of action.Its major defect is to form the most concavo-convex node needed for imitative fiber crops and good may just as well hanging down, and therefore the performance of its fabric imitative fiber crops immediate effect is poor, and imitative fiber crops effect persistency is poor.The cross section of existing linnet, uses circular cross-section more, and therefore moisture absorbing and sweat releasing and permeability are the most poor.
From 200710191330.3 inventions are analyzed it can be seen that relate to a kind of generalization fiber cotton type spun yarn line imitative fiber crops process technology, it be use by common cotton staple by processing method be spun into the pure technical scheme spun or after blended fibre knitwears yarn, this yarn is carried out heavy twist processing.The method uses physics to add the mode of heavy twist, compares with natural fiber crops, has preferable dyeability；There is certain concave-convex sense node and drapability simultaneously, but do not reach the effect of imitative fiber crops, also do not realize permanent imitative fiber crops.It addition, use the short fibre of ordinary polyester, cross sectional shape is circular, and moisture adsorption and releasing function and permeability are the most poor.
From 200510030314.7 inventions are analyzed it can be seen that the spinning engineering relating to caused by spinning industrial production, particularly imitation linen blended yarn and manufacture method thereof.The technical scheme of this invention, is to use abnormity heavy denier polyester fiber cross section to have Caulis et Folium Lini feature to spin scribbled with other fiber optimum organization.The linnet that the method prepares, has certain moisture absorbing and sweat releasing and ventilative function, has preferable dyeability simultaneously；But imitative numb concavo-convex node is inconspicuous, and outstanding the poorest.
Up to the present, market does not also occur a kind of short fibre for forever super imitative fiber crops, in it multiple polyisocyanate composite construction can produce and many and close the most certainly crimp the twist, thus the most concavo-convex node needed for fiber crops is imitated in formation；There is the performances such as fine drapability, smoothness, breathability and moisture absorbing and sweat releasing simultaneously, reach the effect of real imitative fiber crops, constrain high-grade clothing, the exploitation of family's textile fabric product.
Summary of the invention
It is an object of the invention to prepare the imitative flaxen fiber of a kind of novel multiple polyisocyanate composite construction so that it is possess good may just as well hang down, the performance such as breathability and moisture absorbing and sweat releasing, be widely used in high-grade clothing, on the fabric such as home textile.
For this technical solution used in the present invention it is: the present invention includes:
Polyester slice with high viscosity viscosity is in
0.90-0.95dl/g weight portion
40%-60%；
Low-viscosity polyester intrinsic viscosity is in
0.42-0.45dl/g weight portion
40%-60%；
Wherein polyester slice with high viscosity is made up of high convergency section and normal polyester section, and the harmomegathus the most dry shrinkage factor size ratio of high convergency section and normal polyester section is between 2:1 ~ 7:1.
The range of viscosities of high convergency section is 0.55 ~ 0.75 dl/g, and fusing point is 240-250 DEG C；
The range of viscosities of low-viscosity polyester section is 0.42 ~ 0.45dl/g, and fusing point is 255-265 DEG C；
The range of viscosities of normal polyester section is 0.65 ~ 0.70 dl/g, and fusing point is 255-265 DEG C.
Wherein high convergency section: normal polyester section=10%-15%:85%-90%.
A kind of multiple polyisocyanate of imitative linen look is combined the manufacture method of short fibre, follows the steps below:
1) being cut into slices by high convergency, by the addition of 10% ~ 15% weight portion, be uniformly blended in normal polyester section and form compound material, by tackifying equipment, this compound material is uniformly stated to 0.90 ~ 0.95dl/g, fusing point is about 272 DEG C；
2) low-viscosity polyester section, high viscosity compound material is crystallized, dry, after Screw Extrusion, entrance spinning manifold, and converge ejection through spinneret；
3) from spinneret spun filament out, dry through slow cooling, ring, oil, wind traction, feed, contain silk and obtain tow；
4) by tow through drawing-off, crimp, shape, cut off, pack, finally give this novel multiple polyisocyanate and be combined short fibre.
Step 2) in, the screw extruder design temperature of low-viscosity polyester is between 275 DEG C ~ 295 DEG C, and the spinning temperature of low-viscosity polyester is set between 285 DEG C ~ 295 DEG C.
Step 2) in, the screw extruder design temperature of high viscosity composite components is between 285 DEG C ~ 320 DEG C, and the spinning temperature of high viscosity composite components is set between 295 DEG C ~ 320 DEG C.
Step 3) in, low-viscosity polyester component and compound material component are respectively adopted the biphenyl heating system of two groups of independences and heat, ensure the melt temperature of each component, spun filament, ring cold air blast velocity 0.5 ~ 1.5m/s, ring blowing temperature 15 ~ 30 DEG C is formed by dosing pump, spinning manifold and figure of eight spinneret, ring blowing humidity 60 ~ 90%, carrying out cooling down, solidifying, use oil tanker to oil, spinning speed is 600 ~ 1200m/min.
In step 4), tow total draft multiple is between 2.5 ~ 3.8, and the first drawing-off accounts for 85%, and the second drawing-off accounts for 15%, draw speed 250 ~ 350m/min；Wherein the temperature of immersion cell is at 35 ~ 85 DEG C, and the bath temperature of drawing-off groove, at 80 ~ 100 DEG C, adds the vapor (steam) temperature of hot tank at 105 ~ 160 DEG C, the setting temperature of relaxation heat setting machine 100 ~ 130 DEG C.
Described spinneret is " 8 " font.
The invention have the advantage that 1) high convergency section: in PET macromole, introduce copolymerizing modifier, to reduce the crystallization composition in polyester molecule, increase amorphous regions, fiber is finally made to reach highly oriented low crystallization, and produce the effect of contraction, owing to chemical modification effect changes molecular structure, excellent permanent high-shrinkage fibre can be prepared, can be used for spinning the long filament of all size, chopped fiber, boiling water shrinkage can be controlled between 20%～70%；The increase of unformed component, beneficially dye molecule enter, it is easy to dyeing coloring；2) normal polyester section: its ester group and phenyl ring form the entirety of conjugation, soft segment can not individually rotate, can only make with phenyl ring to vibrate together with a common entirety, therefore PET macromolecular chain shows the biggest rigidity, rigid backbone is provided for forming the many and close twist of curling certainly, thering is provided the differences in viscosity power formed needed for the curling twist, Shi Hou road fabric has drapability simultaneously.3) low-viscosity polyester section: on the basis of normal polyester is cut into slices, by adding comonomer, reduces the viscosity of section, provides differences in viscosity power for being formed from the curling twist；4) this novel multiple polyisocyanate is combined the cross sectional shape of short fibre is " 8 " font, uses " 8 " font filament spinning component, makes through composite spinning, drawing-off.It can produce the many and close permanent from crimping the twist of inherence compared with similar products, it is thus possible to formed with the most concavo-convex node fiber crops, and drapability and smoothness fine；The use of " 8 " font filament spinning component simultaneously, forms the groove with capillary core sucting action at fiber surface, can reach preferable moisture absorbing and sweat releasing and ventilative effect；Owing to containing high convergency and low-viscosity polyester component, so dyeability is the most excellent, color and luster is beautiful, it is suitable for conventional textile dyeing and finishing processing.
The present invention why can produce many and close permanent be owing to there being general 0.48 ~ 0.50dl/g differences in viscosity between full-bodied compound material component and low-viscosity polyester from crimping the twist, this differences in viscosity be enough to as providing powerful power from curling；It addition, the existence of high convergency component, the power formed required for the curling can be reduced, many and close certainly crimp the twist, to reach the requirement required for super imitative leprosy lattice it is thus possible to formed.
Detailed description of the invention:
Below in conjunction with specific embodiment, the present invention is expanded on further, it should be understood that these embodiments are merely to illustrate the present invention, rather than limit the scope of the present invention.
Embodiment 1:
(1) with consumption be 40% weight portion low-viscosity polyester section be the first raw material A, enter crystallizing bed and drying tower, material is carried out continuous crystallisation, it is dried, make the dry section of low-viscosity polyester of moisture content ＜ 30ppm, enter the first screw extruder, melt extruded becomes can spinning polyester fondant, the melt extruded process of the first screw extruder is provided with five sections of thermals treatment zone, the heating-up temperature in each district is 275 DEG C, 285 DEG C, 287 DEG C, 289 DEG C, 290 DEG C (five district's screw rods), and this polyester fondant is transported in spinning manifold that (between the first screw extruder to spinning manifold, polyester fondant is through prefilter, large granular impurity in polyester fondant is removed), and be evenly distributed to further in parallel type composite component, it it is the first component.
(2) it is that 60% weight portion height glues compound slice raw material B(high convergency ratio and accounts for 10% ~ 15% with consumption), enter the continuous drying tower of material, the height making moisture content ＜ 40ppm glues composite dry section, subsequently into the second screw extruder, melt extruded through the second screw extruder becomes the height of spinning can glue compounding flux, the melt extruded process of the second screw extruder is provided with five sections of thermals treatment zone, the heating-up temperature in each district is 285 DEG C, 295 DEG C, 300 DEG C, 305 DEG C, 310 DEG C (five district's screw rods), and viscous for this height compounding flux is transported in spinning manifold, and be evenly distributed to further in parallel type composite component, it it is the second component.
(3) spun filament of molding in side. by-side conjugation spinning assembly is uniformly extruded, through annealing device, ring blowing (cooling molding), oil feeding system (oiling), by spinning shaft, enter into winding traction, feeding-wheel, fiber barrel, obtain tow.
(4) tow in fiber barrel is passed sequentially through creel, silk guide frame, eight roller guiding machines, immersion cell (temperature of oil groove is at 35 ~ 85 DEG C), slubbing seven roller drafting machine, water-bath drawing-off groove (temperature of water-bath is at 80 ~ 100 DEG C), two road seven roller drafting machines, steam heating box (vapor (steam) temperature is at 105 ~ 160 DEG C), three road seven roller drafting machines, folded silk machine, crimping machine, conveyer, relaxation heat setting machine (setting temperature 100 ~ 130 DEG C), traction tension machine, cutting machine, send cotton blower fan, baling press.Wherein, total draft multiple is between 2.5 ~ 3.8, and the first drawing-off accounts for 85%, and the second drawing-off accounts for 15%, draw speed 250 ~ 350m/min.
This novel multiple polyisocyanate composite fibre, its fracture strength >=2.5CN/dtex, elongation at break is between 15 ~ 30%, and yarn unevenness CV value ＜ 1.5%, xeothermic CR is more than 30%.
Embodiment 2:
Being the first raw material with the low-viscosity polyester section that consumption is 50% weight portion, be the second raw material with the high viscosity compound slice that consumption is 50% weight portion, remaining is with embodiment 1.
Embodiment 3:
Being the first raw material with the low-viscosity polyester section that consumption is 60% weight portion, be the second raw material with the high viscosity compound slice that consumption is 40% weight portion, remaining is with embodiment 1.
Claims (5)
1. the multiple polyisocyanate of imitative linen look is combined the manufacture method of short fibre, it is characterised in that composed of the following components:
Polyester slice with high viscosity viscosity is in 0.90-0.95dl/g weight portion 40%-60%；
Low-viscosity polyester intrinsic viscosity is in 0.42-0.45dl/g weight portion 40%-60%；
Wherein polyester slice with high viscosity is made up of high convergency section and normal polyester section, and the harmomegathus the most dry shrinkage factor size ratio of high convergency section and normal polyester section is between 2:1 ~ 7:1；
The range of viscosities of high convergency section is 0.55 ~ 0.75 dl/g, and fusing point is 240-250 DEG C；
The range of viscosities of low-viscosity polyester section is 0.42 ~ 0.45dl/g, and fusing point is 255-265 DEG C；
The range of viscosities of normal polyester section is 0.65 ~ 0.70 dl/g, and fusing point is 255-265 DEG C；
Wherein high convergency section: normal polyester section=10% ~ 15% weight portion: 85% ~ 90% weight portion；
Follow the steps below:
1) being cut into slices by high convergency, by the addition of 10% ~ 15% weight portion, be uniformly blended in normal polyester section and form compound material, by tackifying equipment, this compound material is uniformly stated to 0.90 ~ 0.95dl/g, fusing point is 272 DEG C；
2) low-viscosity polyester section, high viscosity compound material is crystallized, dry, after Screw Extrusion, enter spinning manifold, and sprays through spinneret is compound；
3) from spinneret spun filament out, dry through slow cooling, ring, oil, wind traction, feed, contain silk and obtain tow；
4) by tow through drawing-off, crimp, shape, cut off, pack, finally give this multiple polyisocyanate and be combined short fibre；
Step 3) in, low-viscosity polyester component and compound material component are respectively adopted the biphenyl heating system of two groups of independences and heat, ensure the melt temperature of each component, spun filament, ring cold air blast velocity 0.5 ~ 1.5m/s, ring blowing temperature 15 ~ 30 DEG C is formed by dosing pump, spinning manifold and figure of eight spinneret, ring blowing humidity 60 ~ 90%, carrying out cooling down, solidifying, use oil tanker to oil, spinning speed is 600 ~ 1200m/min.
A kind of multiple polyisocyanate of imitative linen look the most according to claim 1 is combined the manufacture method of short fibre, it is characterized in that, step 2) in, the screw extruder design temperature of low-viscosity polyester is between 275 DEG C ~ 295 DEG C, and the spinning temperature of low-viscosity polyester is set between 285 DEG C ~ 295 DEG C.
A kind of multiple polyisocyanate of imitative linen look the most according to claim 1 is combined the manufacture method of short fibre, it is characterized in that, step 2) in, the screw extruder design temperature of high viscosity compounding ingredients is between 285 DEG C ~ 320 DEG C, and the spinning temperature of high viscosity compounding ingredients is set between 295 DEG C ~ 320 DEG C.
A kind of multiple polyisocyanate of imitative linen look the most according to claim 1 is combined the manufacture method of short fibre, it is characterised in that in step 4), and tow total draft multiple is between 2.5 ~ 3.8, and the first drawing-off accounts for 85%, and the second drawing-off accounts for 15%, draw speed 250 ~ 350m/min；Wherein the temperature of immersion cell is at 35 ~ 85 DEG C, and the bath temperature of drawing-off groove, at 80 ~ 100 DEG C, adds the vapor (steam) temperature of hot tank at 105 ~ 160 DEG C, the setting temperature of loosening heat setting machine 100 ~ 130 DEG C.
A kind of multiple polyisocyanate of imitative linen look the most according to claim 1 is combined the manufacture method of short fibre, it is characterised in that described spinneret is figure of eight eyelet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310483761.2A CN103590140B (en) | 2013-10-16 | 2013-10-16 | A kind of imitative multiple polyisocyanate of linen look is combined short fibre and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310483761.2A CN103590140B (en) | 2013-10-16 | 2013-10-16 | A kind of imitative multiple polyisocyanate of linen look is combined short fibre and manufacture method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103590140A CN103590140A (en) | 2014-02-19 |
| CN103590140B true CN103590140B (en) | 2016-08-10 |
Family
ID=50080447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310483761.2A Expired - Fee Related CN103590140B (en) | 2013-10-16 | 2013-10-16 | A kind of imitative multiple polyisocyanate of linen look is combined short fibre and manufacture method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103590140B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109680349A (en) * | 2018-12-25 | 2019-04-26 | 南通新帝克单丝科技股份有限公司 | Composite spinning squeezes out unit |
| CN109853058B (en) * | 2018-12-28 | 2022-03-18 | 广东省化学纤维研究所 | In-line type three-difference composite fiber and preparation method thereof |
| CN111101211A (en) * | 2019-12-31 | 2020-05-05 | 深圳市宏翔新材料发展有限公司 | X-shaped fiber and preparation method thereof |
| CN111270323B (en) * | 2020-04-01 | 2021-10-01 | 广东省化学纤维研究所 | Preparation method of self-crimping terylene FDY fiber and prepared terylene FDY fiber |
| CN115522282A (en) * | 2022-10-25 | 2022-12-27 | 四川汇维仕化纤有限公司 | Antimony-free composite spinning hollow polyester fiber and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1944730A (en) * | 2005-10-08 | 2007-04-11 | 上海日舒棉纺织厂 | Imitation linen blended yarn and its producing method |
| CN101481831A (en) * | 2009-01-21 | 2009-07-15 | 张家港保税区长江塑化有限公司 | Crimped fibre |
| CN103225118A (en) * | 2013-03-27 | 2013-07-31 | 嘉兴学院 | Side by side composite fiber spinneret plate, method of preparing three-dimensional crimp antibacterial fiber with spinneret plate and application of three-dimensional crimp antibacterial fiber |
-
2013
- 2013-10-16 CN CN201310483761.2A patent/CN103590140B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1944730A (en) * | 2005-10-08 | 2007-04-11 | 上海日舒棉纺织厂 | Imitation linen blended yarn and its producing method |
| CN101481831A (en) * | 2009-01-21 | 2009-07-15 | 张家港保税区长江塑化有限公司 | Crimped fibre |
| CN103225118A (en) * | 2013-03-27 | 2013-07-31 | 嘉兴学院 | Side by side composite fiber spinneret plate, method of preparing three-dimensional crimp antibacterial fiber with spinneret plate and application of three-dimensional crimp antibacterial fiber |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103590140A (en) | 2014-02-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102517680B (en) | Multi-hole superfine denier polyamide 6 POY/FDY interlacing composite fiber, its preparation method and its device | |
| CN103590139B (en) | A kind of powerful three-dimensional crimp memory fiber and manufacture method thereof | |
| CN102493016B (en) | Porous superfine polyamide 6 fully-drawn yarn, preparation method thereof, and equipment thereof | |
| CN103590140B (en) | A kind of imitative multiple polyisocyanate of linen look is combined short fibre and manufacture method thereof | |
| CN102031575A (en) | Method for preparing superfine denier flat terylene drawn yarn | |
| CN104060343B (en) | Fine-denier and super fine denier nylon-6 fiber and manufacture method thereof | |
| CN101503832A (en) | Method for processing high shrinkage superfine denier polyester staple fiber | |
| CN106435781B (en) | A kind of moisture absorption is ventilative to imitate numb nylon fibre and preparation method thereof | |
| CN109023564B (en) | Preparation method of polylactic acid colored short fibers | |
| CN106283230A (en) | A kind of production method of brocade/wash high-strength compound monofilament | |
| CN109234820A (en) | A kind of preparation method of polylactic acid short-fiber | |
| CN108315830A (en) | A kind of production method producing rope elater using PTT and PET | |
| CN103938285A (en) | Modified nylon-6 cool DTY filament production method | |
| EP3974565A1 (en) | Elastic composite fiber and fabrication method therefor | |
| CN104562250B (en) | Porous micro-fine denier nylon 6 triisofiber and preparation method and application thereof | |
| CN101824666B (en) | Production method of polyster fiber | |
| CN106917150A (en) | A kind of high-strength wearable PLA long filament and its production method | |
| CN103741241B (en) | The slice spinning processing technology of coloured FDY strong fiber | |
| CN110117826A (en) | Preparation method of tri- component of PLA, PTT and PBT from Curl fiber | |
| CN104562241A (en) | Linen-like multi-multi-variance composite short fiber | |
| CN104294394B (en) | The processing technology of the pre-network long filament of POY bicomponent filament yarn multiple tracks | |
| CN101215734A (en) | Island type polyamide 6 fibre and preparing method thereof | |
| CN109853058B (en) | In-line type three-difference composite fiber and preparation method thereof | |
| CN101979727A (en) | Process for preparing figured superfine sea-island staple fibers for synthetic leather | |
| CN102605464B (en) | PBT (polybutylene terephthalate) modified fiber and production method of PBT modified fiber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20171016 |