CN104264241B - A kind of method of high degree of profile glossy polyester polyster fibre - Google Patents
A kind of method of high degree of profile glossy polyester polyster fibre Download PDFInfo
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- CN104264241B CN104264241B CN201410286762.2A CN201410286762A CN104264241B CN 104264241 B CN104264241 B CN 104264241B CN 201410286762 A CN201410286762 A CN 201410286762A CN 104264241 B CN104264241 B CN 104264241B
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
Abstract
The present invention relates to a kind of high degree of profile glossy polyester polyster fibre and preparation method thereof, polyester slice master batch is carried out melt spinning, and wherein spinnerets is profile spinneret; Obtain high degree of profile glossy polyester polyster fibre; Wherein yi word pattern spinneret orifice is evenly distributed on spinnerets; Yi word pattern spinneret orifice, its shape is imitative yi word pattern, and its upper end is the repetitive of semi arch and the equilateral triangle set gradually, and its lower surface is the repetitive of equilateral triangle and the semi arch set gradually.This project forms different micro-grooves pore shape on cross section, and the voidage between fiber is large, light weight, and that effectively can improve fiber leads wet moisture absorption, water conservation and gas permeability; The bio-based polyester slice of this project is conducive to environment, reduces the dependence to petroleum resources, meets the trend of Developing.
Description
[technical field]
The present invention relates to technical field of textile production, specifically, is a kind of high degree of profile glossy polyester polyster fibre and preparation method thereof.
[background technology]
Chinese Patent Application No. 201320117866.1 relates to the slim and graceful polyester fiber of a kind of high-voidage, described fiber is made up of the water-soluble polyester blend melt spinning adding 15% to 30% ratio in normal polyester, and the cross section of fiber is at least one in ten shapes, T-shaped, Y shape, H-shaped structure; Its radial degree of profile DR (%) is more than 30%; Fiber has comparatively bigger serface, and its branch degree Ba=L2/s is more than 18; Described fiber surface to fibrous inside is high-voidage cellular status; The density of fiber significantly declines; It can make fluff type fiber species such as comprising DTY, BCF, BSY; Fiber is applicable to make fluffy, slim and graceful, comfortable sportswear very much.
Chinese Patent Application No. 201110191779.6 relates to a kind of preparation method of novel Speciality Pet Fiber, after polyester raw material drying, extrude through spinning manifold through screw rod melting and extruding, form as-spun fibre after cooling quench cooling, as-spun fibre stretches through one-level and reels after secondary drawing and obtain Speciality Pet Fiber; In melt spinning process, the wind speed of described cooling quench is controlled by pulse signal and regularly changes, and described rule refers to that described wind speed meets equation V (t)=S+sin ω t; By the Programmed control of quench air velocity under melt extrusion spinnerets, namely wind speed is regulated to prepare the polyester fiber of differential condensed state structure and morphosis by pulse pump; It is the key area at polyester melt spinning cooling forming, adopt air-cooled differential method, solve and can ensure that polyester precursor is shaped, winding normally carries out, the difference of the inherent crystalline orientation of polyester fiber can be ensured again, the problem that polyester fiber morphosis degree of profile and degree of hollowness, degree of profile are differential.
Chinese Patent Application No. 201210364275.4 relate to ultra-fine X-shaped polyester fiber of a kind of porous and preparation method thereof.The spinneret orifice structure of its spinnerets is that symmetrical X is leaf, and its obtuse angle angle is 100 ~ 110 °, and leaf length-width ratio is 5 ~ 8: 1; Cooling formation process adopts Xu Leng and ring quenching to combine; First heat roller temperature of heat setting process is 88 ~ 92 DEG C, and the second heat roller temperature is 125 ~ 130 DEG C; Winding speed is 3800 ~ 4200m/min; The fiber degree of profile of preparation is high, cross section is formed different micro-grooves pore shape, voidage between fiber is large, light weight, that effectively can improve fiber leads wet moisture absorption, water conservation and gas permeability, and meanwhile, it is good that this fiber and the fabric made have dyeability, colouring easily, full color, the feature that gloss is beautiful, and give fabric there is fluffy and feel that is favorable elasticity.
Chinese Patent Application No. 201210365194.6 relates to a kind of word zigzag polyester fiber and preparation method thereof.The spinneret orifice of spinnerets is a word zigzag, and each spinneret orifice comprises four identical delthyriums, is interconnected or has interval between delthyrium; Each limit of delthyrium is the sag vertical curve of 8 ~ 10 ° of radians; The length-width ratio of each spinneret orifice is 4 ~ 6: 1; Adopt Xu Lenghe lateral blowing cooling combination, the angle of the blowing direction of lateral blowing and the spinneret orifice of zigzag spinnerets is 15 ~ 30 °, and the boundling technique that oils adopts nozzle and food tray to combine and oils; The word zigzag polyester fiber degree of profile prepared is large, and possess the effect of in-line or the good luster effect of pancake fiber and cross fibre moisture absorption, wet transmitting performance and moisturizing airing function characteristic simultaneously, the various advantage performances such as fabric sheen, bulkiness, hygroscopicity, elasticity and feel can be given.
Chinese Patent Application No. 200910100723.8 relates to a kind of multi-special shaped fiber filament and manufacture method thereof, and described multi-special shaped fiber filament is formed by the composite monofilament and two component cospinning monofilament boundlings with two kinds of different odd-shaped cross sections; Wherein every root composite monofilament is side by side containing the different shrinkage factor component of AB two kinds, and two kinds of cospinning monofilament are divided into component A low-shrinkage odd-shaped cross section cospinning monofilament and B component high shrinkage odd-shaped cross section cospinning monofilament; Described manufacture method, it adopts in PET, PA6, PA66, PTT, PBT, EDDP two kinds as spinning material, conventional chip drying equipment and bi-component composite spinning equipment is utilized to realize the manufacture of profiled filament product, make this chemical fibre have multi-level appropriate disorderly structure, there is natural fabric and chemical fibre premium properties separately.
Chinese Patent Application No. 201310002130.4 relates to and a kind ofly has polyester fiber of uvioresistant, far infrared transmission and wet guiding function and preparation method thereof concurrently; Described Multifunctional polyester fiber, it comprises formula (I) compound: Tix (OR1O) y (OOCC6H4COO) zH4 (I) of following general structure, wherein R1 is the alkyl of C2 ~ C4, x >=1, z >=1 and 2y+2z=4x+4; Preparation method comprises the following steps: 1) polyester slice and formula (I) compound are inserted double screw extruder and extruded, and section granulation obtains functional agglomerate; 2), after above-mentioned functions master batch and polyester blank being cut into slices and prepared according to formula (I) compounds content 0.1 ~ 0.5wt%, be placed in melt spinning device and carry out melt spinning; The interpolation of Multifunctional polyester fiber through type (I) compound provided polyester fiber is had concurrently the multi-functional such as uvioresistant and far infrared transmission; Preparation method makes functional components be uniformly dispersed, and improves the wet transmitting performance of fiber by cross profiled-cross-section.
Chinese Patent Application No. 200510044264.8 relates to the preparation method of a kind of uvioresistant, quick moisture absorption dry polyester fiber, belongs to chemical fiber field; Using easy alkaline hydrolysis polyester slice (COPET) as pore former, cut into slices with uvioresistant polyester and carry out co-blended spinning and obtain the anti-ultraviolet polyester fiber with hydroscopic fast-drying function; The adding proportion of COPET is 2-30%, micro-pore shape is selected to be the spinnerets of two C, three C or trilobal cross, by uvioresistant polyester section with after COPET cuts into slices and mixes, carry out melt spinning, the fiber obtained through aft-loaded airfoil has uvioresistant, hydroscopic fast-drying dual-use function.
Chinese Patent Application No. 200710042820.7 relates to a kind of spun polyester thread and the manufacture method thereof with high wet transmitting performance, this spun polyester thread is obtained by yi word pattern cross section polyster fibre and the blending of cross section polyster fibre, manufacturing step comprises: (1), by number of fiber ratio, chooses yi word pattern cross section polyster fibre and cross section polyster fibre; (2) through the mixed fine process of doubling, spun polyester thread is obtained; In the spun polyester thread preparing gained, pore quantity and porosity significantly increase, capillary wicking shows and improves, wet transmitting performance obviously improves, and this spun polyester thread separately or can become high with other fiber yarn hybrid woven and lead wet facing fabric, can be widely used in clothes, decoration and industrial field.
Chinese Patent Application No. 200410065523.0 relate to a kind of polyester non-drafted combined filament yarn, the two kind polyester filament tow different by dissolution velocity in alkaline aqueous solution form, and the fast polyester filament tow of dissolution velocity and the Comparative dissolution speed of the slow polyester filament tow of dissolution velocity in alkaline aqueous solution are more than 30 times, the mixed fine rate of the polyester filament tow that dissolution velocity is fast is 10 ~ 30%, and the extension at break rate Δ E of two kinds of polyester filament tow that dissolution velocity is different in alkaline aqueous solution is 0 ~ 20%; Polyester non-drafted combined filament yarn has silk processing characteristics superior in high order processing, and the fabric made can be made to have excellent bulkiness and elastic polyester non-drafted combined filament yarn.
High degree of profile glossy polyester polyster fibre becomes one of focus of current research.
[summary of the invention]
The object of the invention is to overcome the deficiencies in the prior art, a kind of high degree of profile glossy polyester polyster fibre and preparation method thereof is provided.
The object of the invention is to be achieved through the following technical solutions:
A preparation method for high degree of profile glossy polyester polyster fibre, its concrete steps are:
(1) nano barium sulfate is inorganization
Be dissolved in by nano barium sulfate in methanol solvate, the concentration of nano barium sulfate in methyl alcohol is 30 ~ 40kg/m
3, it is 8.2 ~ 8.4 that alcohol solvent pH controls, and then adds aminopropyl triethoxysilane and reacts; Carry out centrifugation after having reacted, vacuumize is carried out to solid and prepares amidized nano barium sulfate;
(2) preparation of the first polymers of CBT
Heated by CBT powder, temperature is 180 ~ 200 DEG C, and then adds the glutaric acid of bio-based, and add catalyst dihydroxyalkyl stannic chloride simultaneously, and carry out the end carboxyl of CBT, the reaction time is 10 ~ 15min, obtains carboxylic acid-terminated CBT just polymers;
Described catalyst is dihydroxyalkyl stannic chloride.
Described catalyst amount accounts for 0.15 ~ 0.25% of CBT powder and glutaric acid gross mass.
Described CBT powder and the mol ratio of glutaric acid are 1: 1.3 ~ 1: 1.7.
Described CBT powder has CBT160 to pulverize preparation; CBT is white solid particle at normal temperatures, can become the same liquid of water when temperature reaches 190 DEG C, and under identical viscosity, the viscosity of PBT is its 5000 times.And CBT and PBT, PET, PTT have good compatibility, wettability is strong.Can in-situ polymerization be there is when being heated to 220 DEG C, namely generating PBT material.
The glutaric acid of described bio-based, obtains glutaric acid from biological decomposition, is conducive to environmental protection;
(3) preparation of compound PBT
CBT prepared by step (2) just polymers heating, temperature is 210 ~ 240 DEG C, and adds amidized nano barium sulfate prepared by step (1) and react, and the reaction time is 2 ~ 4h, and then in-situ polymerization, prepares compound PBT;
Described amidized nano barium sulfate accounts for 0.55 ~ 0.85% of CBT powder and glutaric acid gross mass.
Nano barium sulfate is passed through chemical graft method in PBT material, be conducive to the requirement of high speed through compiling improving final products, and cut into slices compatibility better with PET, be conducive to the stability of spinning.
(4) preparation of polyester slice master batch
The material quality percentage of polyester slice master batch is:
Compound PBT section 1 ~ 3%
Bio-based polyester slice 10 ~ 15%
Large bright PET chips surplus
Cut into slices by compound PBT, bio-based polyester slice and have large light polyester slice to mix, through melt extruding, obtains polyester slice master batch;
(5) preparation of high degree of profile glossy polyester polyster fibre
Polyester slice master batch is carried out melt spinning, and wherein spinnerets is profile spinneret; Obtain high degree of profile glossy polyester polyster fibre.
A kind of profile spinneret, it is circular jetting filament plate, and yi word pattern spinneret orifice is evenly distributed on spinnerets; Yi word pattern spinneret orifice, its shape is imitative yi word pattern, its upper end is the repetitive of semi arch and the equilateral triangle set gradually, its lower surface is the repetitive of equilateral triangle and the semi arch set gradually, and upper end is identical with the repetitive number of lower surface, is connected between upper end and the two ends of lower surface by equilateral triangle; The spacing of upper end and lower surface is the diameter of semi arch; The semi arch of upper end and the semi arch of lower surface measure-alike; The equilateral triangle of upper end and the equilateral triangle of lower surface measure-alike;
Described spinnerets also arranges triangular duct, and the center of circle of the center of triangular duct and spinnerets is same point, and spinnerets is carried out trisection by triangular duct;
Described spinnerets also arranges three beeline channels, and beeline channel is crossing with three limit central vertical of triangular duct, and one end of beeline channel is connected with spinnerets, and one end is connected with triangular duct in addition; The width b of beeline channel is identical with the width of triangular duct a.
The repetitive number of described upper end and lower surface is four.
The diameter of described semi arch is identical with the length of side of equilateral triangle.
The spinnerets of this item setup, wherein built-in triangular duct, due to the quick cooling of tow, keep the quality of tow; Overcome the problem of inner fiber inhomogeneous cooling.
Compared with prior art, good effect of the present invention is:
The spinnerets of this item setup, its upper end of its spinneret orifice is the repetitive of semi arch and the equilateral triangle set gradually, its lower surface is the repetitive of equilateral triangle and the semi arch set gradually, its advantage is, the fiber gap prepared is large, groove is many, and triangular-section has good reflecting effect, and be conducive to the shape maintaining fiber itself, because fiber is when receiving pressure effect, the triangle of its evagination and circular arc have effect of absorption power, are namely similar to the cushioning effect of sponge.Be triangle and this asymmetrical shape of circular arc between its upper and lower end face, its advantage is that fiber is that any direction all has good light-dispersing effect, has again the good function of maintaining the statusquo; Simultaneously because groove is more, also have and good ventilatively lead wet effect; This is special feature and the innovation of the spinnerets of this project.
This project forms different micro-grooves pore shape on cross section, and the voidage between fiber is large, light weight, and that effectively can improve fiber leads wet moisture absorption, water conservation and gas permeability.
The bio-based polyester slice of this project is commercially available prod, and it is conducive to environment, reduces the dependence to petroleum resources, meets the trend of Developing.
[accompanying drawing explanation]
Chemical equation prepared by Fig. 1 compound PBT;
The schematic diagram of Fig. 2 spinnerets of the present invention;
The enlarged diagram of Fig. 3 yi word pattern spinneret orifice of the present invention.
The a certain partial cross section SEM of fiber of Fig. 4 embodiments of the invention 2 schemes.
[detailed description of the invention]
The detailed description of the invention of a kind of high degree of profile glossy polyester polyster fibre of the present invention and preparation method thereof is below provided.
Embodiment 1
A preparation method for high degree of profile glossy polyester polyster fibre, its concrete steps are:
(1) nano barium sulfate is inorganization
Be dissolved in by nano barium sulfate in methanol solvate, the concentration of nano barium sulfate in methyl alcohol is 30kg/m
3, it is 8.2 ~ 8.4 that alcohol solvent pH controls, and then adds aminopropyl triethoxysilane and reacts; Carry out centrifugation after having reacted, vacuumize is carried out to solid and prepares amidized nano barium sulfate;
(2) preparation of the first polymers of CBT
Heated by CBT powder, temperature is 180 ~ 200 DEG C, and then adds the glutaric acid of bio-based, and add catalyst dihydroxyalkyl stannic chloride simultaneously, and carry out the end carboxyl of CBT, the reaction time is 10 ~ 15min, obtains carboxylic acid-terminated CBT just polymers;
Described catalyst is dihydroxyalkyl stannic chloride.
Described catalyst amount accounts for 0.15 ‰ of CBT powder and glutaric acid gross mass.
Described CBT powder and the mol ratio of glutaric acid are 1: 1.3.
(3) preparation of compound PBT
CBT prepared by step (2) just polymers heating, temperature is 210 ~ 240 DEG C, and adds amidized nano barium sulfate prepared by step (1) and react, and the reaction time is 2 ~ 4h, and then in-situ polymerization, prepares compound PBT;
Described amidized nano barium sulfate accounts for 0.55% of CBT powder and glutaric acid gross mass.
Concrete course of reaction refers to accompanying drawing 1.
Nano barium sulfate is passed through chemical graft method in PBT material, be conducive to the requirement of high speed through compiling improving final products, and cut into slices compatibility better with PET, be conducive to the stability of spinning.
(4) preparation of polyester slice master batch
The material quality percentage of polyester slice master batch is:
Compound PBT section 1%
Bio-based polyester slice 10%
Large bright PET chips 89%
Cut into slices by compound PBT, bio-based polyester slice and have large light polyester slice to mix, through melt extruding, obtains polyester slice master batch;
(5) preparation of high degree of profile glossy polyester polyster fibre
Polyester slice master batch is carried out melt spinning, and wherein spinnerets is profile spinneret; Obtain high degree of profile glossy polyester polyster fibre.
Refer to attached Fig. 1 and 2, a kind of profile spinneret, it is circular jetting filament plate, and yi word pattern spinneret orifice is evenly distributed on spinnerets; Yi word pattern spinneret orifice, its shape is imitative yi word pattern, its upper end is the repetitive of semi arch and the equilateral triangle set gradually, its lower surface is the repetitive of equilateral triangle and the semi arch set gradually, and upper end is identical with the repetitive number of lower surface, is connected between upper end and the two ends of lower surface by equilateral triangle; The spacing of upper end and lower surface is the diameter R of semi arch; The semi arch of upper end and the semi arch of lower surface measure-alike; The equilateral triangle of upper end and the equilateral triangle of lower surface measure-alike;
Described spinnerets also arranges triangular duct, and the center of circle of the center of triangular duct and spinnerets is same point, and spinnerets is carried out trisection by triangular duct;
Described spinnerets also arranges three beeline channels, and beeline channel is crossing with three limit central vertical of triangular duct, and one end of beeline channel is connected with spinnerets, and one end is connected with triangular duct in addition; The width b of beeline channel is identical with the width of triangular duct a.
The repetitive number of described upper end and lower surface is four.
The diameter of described semi arch is identical with the length of side of equilateral triangle.
Embodiment 2
A preparation method for high degree of profile glossy polyester polyster fibre, its concrete steps are:
(1) nano barium sulfate is inorganization
Be dissolved in by nano barium sulfate in methanol solvate, the concentration of nano barium sulfate in methyl alcohol is 40kg/m
3, it is 8.4 that alcohol solvent pH controls, and then adds aminopropyl triethoxysilane and reacts; Carry out centrifugation after having reacted, vacuumize is carried out to solid and prepares amidized nano barium sulfate;
(2) preparation of the first polymers of CBT
Heated by CBT powder, temperature is 180 ~ 200 DEG C, and then adds the glutaric acid of bio-based, and add catalyst dihydroxyalkyl stannic chloride simultaneously, and carry out the end carboxyl of CBT, the reaction time is 10 ~ 15min, obtains carboxylic acid-terminated CBT just polymers;
Described catalyst is dihydroxyalkyl stannic chloride.
Described catalyst amount accounts for 0.25 ‰ of CBT powder and glutaric acid gross mass.
Described CBT powder and the mol ratio of glutaric acid are 1: 1.7.
(3) preparation of compound PBT
CBT prepared by step (2) just polymers heating, temperature is 210 ~ 240 DEG C, and adds amidized nano barium sulfate prepared by step (1) and react, and the reaction time is 2 ~ 4h, and then in-situ polymerization, prepares compound PBT;
Described amidized nano barium sulfate accounts for 0.85% of CBT powder and glutaric acid gross mass.
Concrete course of reaction refers to accompanying drawing 1.
Nano barium sulfate is passed through chemical graft method in PBT material, be conducive to the requirement of high speed through compiling improving final products, and cut into slices compatibility better with PET, be conducive to the stability of spinning.
(4) preparation of polyester slice master batch
The material quality percentage of polyester slice master batch is:
Compound PBT section 3%
Bio-based polyester slice 15%
Large bright PET chips 82%
Cut into slices by compound PBT, bio-based polyester slice and have large light polyester slice to mix, through melt extruding, obtains polyester slice master batch;
(5) preparation of high degree of profile glossy polyester polyster fibre
Polyester slice master batch is carried out melt spinning, and wherein spinnerets is profile spinneret; Obtain high degree of profile glossy polyester polyster fibre.
Refer to attached Fig. 1 and 2, a kind of profile spinneret, see embodiment 1.
White particles in Fig. 4 is barium sulfate, and dark space is PET matrix, and in figure, size is exaggerated " 10000 times ", and as can be seen from the figure, nano barium sulfate particle is uniformly dispersed in PET.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, without departing from the inventive concept of the premise; can also make some improvements and modifications, these improvements and modifications also should be considered within the scope of protection of the present invention.
Claims (5)
1. a preparation method for high degree of profile glossy polyester polyster fibre, it is characterized in that, concrete steps are:
(1) nano barium sulfate is inorganization
Be dissolved in by nano barium sulfate in methanol solvate, the concentration of nano barium sulfate in methyl alcohol is 30 ~ 40kg/m
3, it is 8.2 ~ 8.4 that alcohol solvent pH controls, and then adds aminopropyl triethoxysilane and reacts; Carry out centrifugation after having reacted, vacuumize is carried out to solid and prepares amidized nano barium sulfate;
(2) preparation of the first polymers of CBT
Heated by CBT powder, temperature is 180 ~ 200 DEG C, and then adds the glutaric acid of bio-based, and add catalyst dihydroxyalkyl stannic chloride simultaneously, and carry out the end carboxyl of CBT, the reaction time is 10 ~ 15min, obtains carboxylic acid-terminated CBT just polymers;
(3) preparation of compound PBT
(4) preparation of polyester slice master batch
The material quality percentage of polyester slice master batch is:
Compound PBT section 1 ~ 3%
Bio-based polyester slice 10 ~ 15%
Large bright PET chips surplus
(5) preparation of high degree of profile glossy polyester polyster fibre
Polyester slice master batch is carried out melt spinning, and wherein spinnerets is profile spinneret; Obtain high degree of profile glossy polyester polyster fibre.
2. the preparation method of a kind of high degree of profile glossy polyester polyster fibre as claimed in claim 1, is characterized in that, in described step (2), described catalyst amount accounts for 0.15 ~ 0.25 ‰ of CBT powder and glutaric acid gross mass.
3. the preparation method of a kind of high degree of profile glossy polyester polyster fibre as claimed in claim 1, is characterized in that, in described step (2), described CBT powder and the mol ratio of glutaric acid are 1: 1.3 ~ 1: 1.7.
4. the preparation method of a kind of high degree of profile glossy polyester polyster fibre as claimed in claim 1, it is characterized in that, in described step (3), the preparation of compound PBT refers to: CBT step (2) prepared just polymers heating, temperature is 210 ~ 240 DEG C, and adds amidized nano barium sulfate prepared by step (1) and react, and the reaction time is 2 ~ 4h, and then in-situ polymerization, prepare compound PBT.
5. the preparation method of a kind of high degree of profile glossy polyester polyster fibre as claimed in claim 4, it is characterized in that, described amidized nano barium sulfate accounts for 0.55 ~ 0.85% of CBT powder and glutaric acid gross mass.
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| CN201510069474.6A CN104674358B (en) | 2014-06-17 | 2014-06-17 | Specially-shaped spinneret plate |
| CN201410286762.2A CN104264241B (en) | 2014-06-17 | 2014-06-17 | A kind of method of high degree of profile glossy polyester polyster fibre |
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| CN109208148A (en) * | 2017-07-05 | 2019-01-15 | 上海水星家用纺织品股份有限公司 | There is the method for weaving of light triangle profile polyester fiber Yu tencel fiber color textile fabric |
| CN116288761B (en) * | 2023-05-12 | 2023-08-29 | 江苏德力化纤有限公司 | Flash hollow polyester filament yarn and production equipment and preparation method thereof |
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| CH454344A (en) * | 1967-04-06 | 1968-04-15 | Inventa Ag | Device for producing composite threads |
| US4791026A (en) * | 1986-11-27 | 1988-12-13 | Teijin Limited | Synthetic polymer multifilament yarn useful for bulky yarn and process for producing the same |
| JPS6426711A (en) * | 1987-07-20 | 1989-01-30 | Mitsubishi Rayon Co | Production of special flat yarn |
| JPH07243124A (en) * | 1994-03-07 | 1995-09-19 | Asahi Chem Ind Co Ltd | Copolyester fiber with excellent gloss characteristics |
| CN201236231Y (en) * | 2008-07-25 | 2009-05-13 | 江苏恒力化纤有限公司 | Spinneret plate for producing large bright flat fibers |
| CN103290507B (en) * | 2013-05-07 | 2016-03-02 | 桐乡市中辰化纤有限公司 | A kind of preparation method being polymerized micro-modification lustrous polyester fiber |
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