CN109252242A - A kind of terylene short fiber and preparation method thereof - Google Patents
A kind of terylene short fiber and preparation method thereof Download PDFInfo
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- CN109252242A CN109252242A CN201810904585.8A CN201810904585A CN109252242A CN 109252242 A CN109252242 A CN 109252242A CN 201810904585 A CN201810904585 A CN 201810904585A CN 109252242 A CN109252242 A CN 109252242A
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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
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/181—Acids containing aromatic rings
- C08G63/183—Terephthalic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
- C08G63/681—Polyesters containing atoms other than carbon, hydrogen and oxygen containing elements not provided for by groups C08G63/682 - C08G63/698
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Artificial Filaments (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
The present invention relates to a kind of terylene short fiber and preparation method thereof, the preparation methods of terylene short fiber, comprising the following steps: (1) mixes terephthalic acid (TPA) and ethylene glycol under the conditions of 50-60 DEG C；Then heat to 150-160 DEG C of progress esterification；(2) dimethyl propylene glycol, 52 are added in the product after esterification, 5- dimethyl -2,5- acetylenic glycols, 2- butene-1,4- di-n-butyl, two (hexanes -1,6- glycol) titanium, complex function additive, terephthalic acid (TPA) and glycol ester, then first time polymerization reaction and second of polymerization reaction are successively carried out, copolyesters melt is obtained；(3) copolyesters melt is subjected to melt spinning；(4) melt is squeezed out and is cooled down through spinneret；(5) terylene short fiber successively is obtained through nozzle oiling cluster, seal wire, thermal finalization and coiling and molding.The terylene short fiber that the present invention obtains has the advantages that thermal property is good.
Description
Technical field
The present invention relates to textile technology, in particular to a kind of terylene short fiber and preparation method thereof.
Background technique
Terylene short fiber be by polyester (i.e. polyethylene terephthalate, abbreviation PET, be polymerized by PTA and MEG) again
It is spun into the fiber obtained after tow cutting.PET be in rice-shaped or sheet, it is numerous in variety vary in color (usually we contact very
The main component of more beverage bottles is exactly polyester, he is sliced, and twice master operation is generally spun with after by preceding spinning to produce
Terylene short fiber out can be cut into the terylene short fiber of different size by different demands in rear spinning, usually 4D-22D's,
It is segmented into two kinds of two and three dimensions again by the case where its curling).75% is used for chemical fibre terylene, by textile industry requirement, system
Make terylene short fiber peacekeeping polyester filament.
In the prior art, the thermal property of terylene short fiber can not meet warming demand well.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of terylene short fiber and preparation method thereof that thermal property is good.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows:
A kind of preparation method of terylene short fiber, comprising the following steps:
(1) ethylene glycol of the terephthalic acid (TPA) of 300 parts by weight and 50 parts by weight is mixed under the conditions of 50-60 DEG C；
Then heat to 150-160 DEG C of progress esterification, reaction time 10-15min；
(2) the dimethyl propylene glycol of 8-10 parts by weight, the 2,5- of 5-10 parts by weight are added in the product after esterification
Dimethyl -2,5- acetylenic glycols, 5-15 parts by weight 2- butene-1, two (hexane -1,6- of 4- di-n-butyl, 5-10 parts by weight
Glycol) titanium, the complex function additive of 5-10 parts by weight, the terephthalic acid (TPA) of 100 parts by weight and 50 parts by weight glycol ester,
200-250 DEG C is then heated to, 10-15min is reacted under 200-300Pa vacuum condition, carries out first time polymerization reaction；Then at
5-10min is reacted under 230-260 DEG C and 250-350Pa vacuum condition, is carried out second of polymerization reaction, is obtained copolyesters melt；
The complex function additive is silica, germanium dioxide, aluminium oxide and surface-modified aluminium-doped zinc oxide powder
Mixture, the silica, germanium dioxide, aluminium oxide and surface-modified aluminium-doped zinc oxide powder mass ratio successively
It is 1:(2-4): 1:(2-4)；
(3) copolyesters melt is subjected to melt spinning；
(4) melt is squeezed out and is cooled down through profile spinneret；
(5) terylene short fiber successively is obtained through nozzle oiling cluster, seal wire, thermal finalization and coiling and molding.
A kind of terylene short fiber is prepared by the preparation method of above-mentioned terylene short fiber.
The beneficial effects of the present invention are:
(1) design complex function additive is that silica, germanium dioxide, aluminium oxide and surface-modified aluminium adulterate oxygen
Change the mixture of zinc powder, and design above-mentioned mass ratio, terylene short fiber can be made to obtain good far-infrared transmitting function, in turn
Good thermal property is obtained, and the design of powder diameter can be cooperated, further increases its thermal property；
(2) dimethyl propylene glycol, 2,5- dimethyl-the 2,5- acetylenic glycols, 2- butene-1 being added, 4- di-n-butyl, two
(hexane -1,6- glycol) titanium, can be used as regulator, can be with for controlling the molecular structure of the polymer obtained after polymerization reaction
Above-mentioned complex function additive is used cooperatively, and then the terylene short fiber prepared is promoted to have good thermal property, fracture
Intensity and regain.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the profile spinneret of the embodiment of the present invention.
Label declaration:
1, profile spinneret；11, spinneret orifice；12, closed hoop structure.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, below in conjunction with embodiment and cooperate attached
Figure is explained.
The most critical design of the present invention is: designing above-mentioned complex function additive, obtain the terylene short fiber prepared
Obtain thermal property.
A kind of preparation method of terylene short fiber, comprising the following steps:
(1) ethylene glycol of the terephthalic acid (TPA) of 300 parts by weight and 50 parts by weight is mixed under the conditions of 50-60 DEG C；
Then heat to 150-160 DEG C of progress esterification, reaction time 10-15min；
(2) the dimethyl propylene glycol of 8-10 parts by weight, the 2,5- of 5-10 parts by weight are added in the product after esterification
Dimethyl -2,5- acetylenic glycols, 5-15 parts by weight 2- butene-1, two (hexane -1,6- of 4- di-n-butyl, 5-10 parts by weight
Glycol) titanium, the complex function additive of 5-10 parts by weight, the terephthalic acid (TPA) of 100 parts by weight and 50 parts by weight glycol ester,
200-250 DEG C is then heated to, 10-15min is reacted under 200-300Pa vacuum condition, carries out first time polymerization reaction；Then at
5-10min is reacted under 230-260 DEG C and 250-350Pa vacuum condition, is carried out second of polymerization reaction, is obtained copolyesters melt；
The complex function additive is silica, germanium dioxide, aluminium oxide and surface-modified aluminium-doped zinc oxide powder
Mixture, the silica, germanium dioxide, aluminium oxide and surface-modified aluminium-doped zinc oxide powder mass ratio successively
It is 1:(2-4): 1:(2-4)；
(3) copolyesters melt is subjected to melt spinning；
(4) melt is squeezed out and is cooled down through profile spinneret；
(5) terylene short fiber successively is obtained through nozzle oiling cluster, seal wire, thermal finalization and coiling and molding.
A kind of terylene short fiber is prepared by the preparation method of above-mentioned terylene short fiber.
As can be seen from the above description, the beneficial effects of the present invention are:
(1) design complex function additive is that silica, germanium dioxide, aluminium oxide and surface-modified aluminium adulterate oxygen
Change the mixture of zinc powder, and design above-mentioned mass ratio, terylene short fiber can be made to obtain good far-infrared transmitting function, in turn
Good thermal property is obtained, and the design of powder diameter can be cooperated, further increases its thermal property；
(2) dimethyl propylene glycol, 2,5- dimethyl-the 2,5- acetylenic glycols, 2- butene-1 being added, 4- di-n-butyl, two
(hexane -1,6- glycol) titanium, can be used as regulator, can be with for controlling the molecular structure of the polymer obtained after polymerization reaction
Above-mentioned complex function additive is used cooperatively, and then the terylene short fiber prepared is promoted to have good thermal property, fracture
Intensity and regain.
Further, the step (3) specifically: copolyesters melt is passed through into melt pipe and booster pump pressure-increasing unit extremely
Spinning manifold, through metering pump to filament spinning component, spinning temperature is 278 ± 2 DEG C.
Further, the step (4) specifically: melt is extruded as melt stream through spinneret, then uses side
Quenching technique solidifies out into strand；The condition of the side-blown air-cooling process are as follows: cross air blasting is speed 0.30m/s-
0.50m/s, 18 ± 2 DEG C of side-blown air temperature, side-blown wind moisture 75 ± 5%.
Further, the step (5) specifically: the tow input speed after nozzle oiling cluster is 3105-
The lower draw-off godet of 3610m/min, then enters back into the heated godet that speed is 3105-3610m/min, temperature is 120-135 DEG C
Carry out thermal finalization；It is wound molding with the winding speed of 3100-3600m/mi, obtains the terylene short fiber.
Further, the silica, germanium dioxide, aluminium oxide and surface-modified aluminium-doped zinc oxide powder
Mass ratio is followed successively by 1:2:1:3.
Further, the profile spinneret 1 is ring structure, and the profile spinneret 1 is equipped at least three spray
Silk micropore 11, the spinneret orifice 11 are herringbone, and the both ends of the bottom of every three lambdoid spinneret orifices successively connect from beginning to end
It connects, forms a closed hoop structure 12, the spacing at the both ends of the bottom of the lambdoid spinneret orifice is 0.35-0.85mm.
Seen from the above description, in the structure design of above-mentioned profile spinneret, the bottom of every three lambdoid spinneret orifices
The both ends in portion are sequentially connected end to end, and form a closed hoop structure, the middle part of closed hoop structure be it is hollow, melt is via closure
The middle part of cyclic structure is continuous, squeeze out in an orderly manner after, the stabilization of short fine structure can be kept, on the one hand to prepare good fiber
Performance provides good basis；On the one hand, after melt extrusion, it can get special three-dimensional structure, lambdoid spinneret orifice can
Fiber surface is set to obtain distinguished groove structure feature, and then because groove structure makes fiber with good performance.
Further, the silica, germanium dioxide, aluminium oxide and surface-modified aluminium-doped zinc oxide powder
Partial size is 10-30 microns.
Please refer to Fig. 1, the embodiment of the present invention one are as follows:
The preparation method of the terylene short fiber of the present embodiment, comprising the following steps:
(1) terephthalic acid (TPA) of 300 parts by weight and the ethylene glycol of 50 parts by weight are mixed under the conditions of 55 DEG C；Then
It is warming up to 155 DEG C of progress esterifications, reaction time 12min；
(2) the dimethyl propylene glycol of 9 parts by weight, the 2,5- dimethyl-of 8 parts by weight are added in the product after esterification
2,5- acetylenic glycols, 10 parts by weight 2- butene-1, two (hexane -1,6- glycol) titaniums, 8 weight of 4- di-n-butyl, 8 parts by weight
The complex function additive, the terephthalic acid (TPA) of 100 parts by weight and the glycol ester of 50 parts by weight of part, then heat to 230 DEG C,
12min is reacted under 250Pa vacuum condition, carries out first time polymerization reaction；It is reacted under 240 DEG C and 300Pa vacuum condition
8min carries out second of polymerization reaction, obtains copolyesters melt；The complex function additive be silica, germanium dioxide,
The mixture of aluminium oxide and surface-modified aluminium-doped zinc oxide powder, the silica, germanium dioxide, aluminium oxide and warp
The mass ratio of the modified aluminium-doped zinc oxide powder in surface is followed successively by 1:2:1:3；The silica, germanium dioxide, aluminium oxide
Partial size with surface-modified aluminium-doped zinc oxide powder is 20 microns；
(3) copolyesters melt is passed through into melt pipe and booster pump pressure-increasing unit to spinning manifold, through metering pump to spinning
Component, spinning temperature are 278 DEG C；
(4) melt is extruded as melt stream through profile spinneret 1, is then solidified out into using side-blown air-cooling process
Strand；The condition of the side-blown air-cooling process are as follows: cross air blasting is speed 0.40m/s, 18 DEG C of side-blown air temperature, side-blown wind moisture
75%；The profile spinneret 1 is ring structure, and the profile spinneret is equipped at least three spinneret orifice 11, described
Spinneret orifice 11 is herringbone, and the both ends of the bottom of every three lambdoid spinneret orifices 11 are sequentially connected end to end, and forms one and closes
Cyclic structure 12 is closed, the spacing at the both ends of the bottom of the lambdoid spinneret orifice 11 is 0.60mm；
(5) the tow input speed after nozzle oiling cluster is the lower draw-off godet of 3500m/min, then enters back into speed
The heated godet for being 128 DEG C for 3500m/min, temperature carries out thermal finalization；It is wound molding with the winding speed of 3400m/mi,
Obtain the terylene short fiber.
Please refer to Fig. 1, the embodiment of the present invention two are as follows:
The preparation method of the terylene short fiber of the present embodiment, comprising the following steps:
(1) terephthalic acid (TPA) of 300 parts by weight and the ethylene glycol of 50 parts by weight are mixed under the conditions of 50 DEG C；Then
It is warming up to 150 DEG C of progress esterifications, reaction time 10min；
(2) the dimethyl propylene glycol of 8 parts by weight, the 2,5- dimethyl-of 5 parts by weight are added in the product after esterification
2,5- acetylenic glycols, 5 parts by weight 2- butene-1, two (hexane -1,6- glycol) titaniums, 5 weight of 4- di-n-butyl, 5 parts by weight
The complex function additive, the terephthalic acid (TPA) of 100 parts by weight and the glycol ester of 50 parts by weight of part, then heat to 200 DEG C,
10min is reacted under 200Pa vacuum condition, carries out first time polymerization reaction；It is reacted under 230 DEG C and 250Pa vacuum condition
5min carries out second of polymerization reaction, obtains copolyesters melt；The complex function additive be silica, germanium dioxide,
The mixture of aluminium oxide and surface-modified aluminium-doped zinc oxide powder, the silica, germanium dioxide, aluminium oxide and warp
The mass ratio of the modified aluminium-doped zinc oxide powder in surface is followed successively by 1:2:1:2；The silica, germanium dioxide, aluminium oxide
Partial size with surface-modified aluminium-doped zinc oxide powder is 10 microns；
(3) copolyesters melt is passed through into melt pipe and booster pump pressure-increasing unit to spinning manifold, through metering pump to spinning
Component, spinning temperature are 276 DEG C；
(4) melt is extruded as melt stream through profile spinneret 1, is then solidified out into using side-blown air-cooling process
Strand；The condition of the side-blown air-cooling process are as follows: cross air blasting is speed 0.30m/s, 16 DEG C of side-blown air temperature, side-blown wind moisture
70%；The profile spinneret 1 is ring structure, and the profile spinneret is equipped at least three spinneret orifice 11, described
Spinneret orifice 11 is herringbone, and the both ends of the bottom of every three lambdoid spinneret orifices 11 are sequentially connected end to end, and forms one and closes
Cyclic structure 12 is closed, the spacing at the both ends of the bottom of the lambdoid spinneret orifice 11 is 0.35mm；
(5) the tow input speed after nozzle oiling cluster is the lower draw-off godet of 3105m/min, then enters back into speed
The heated godet for being 120 DEG C for 3105m/min, temperature carries out thermal finalization；It is wound molding with the winding speed of 3100m/mi,
Obtain the terylene short fiber.
Please refer to Fig. 1, the embodiment of the present invention three are as follows:
The preparation method of the terylene short fiber of the present embodiment, comprising the following steps:
(1) terephthalic acid (TPA) of 300 parts by weight and the ethylene glycol of 50 parts by weight are mixed under the conditions of 60 DEG C；Then
It is warming up to 160 DEG C of progress esterifications, reaction time 10-15min；
(2) the dimethyl propylene glycol of 10 parts by weight, the 2,5- diformazan of 10 parts by weight are added in the product after esterification
Base -2,5- acetylenic glycols, 15 parts by weight 2- butene-1,4- di-n-butyl, 10 parts by weight two (hexane -1,6- glycol) titaniums,
The glycol ester of the complex function additive of 10 parts by weight, the terephthalic acid (TPA) of 100 parts by weight and 50 parts by weight, then heats to
250 DEG C, 15min is reacted under 300Pa vacuum condition, carries out first time polymerization reaction；Then at 260 DEG C and 350Pa vacuum condition
Lower reaction 10min carries out second of polymerization reaction, obtains copolyesters melt；The complex function additive is silica, two
The mixture of germanium oxide, aluminium oxide and surface-modified aluminium-doped zinc oxide powder, the silica, germanium dioxide, oxygen
The mass ratio for changing aluminium and surface-modified aluminium-doped zinc oxide powder is followed successively by 1:4:1:4；The silica, titanium dioxide
The partial size of germanium, aluminium oxide and surface-modified aluminium-doped zinc oxide powder is 30 microns；
(3) copolyesters melt is passed through into melt pipe and booster pump pressure-increasing unit to spinning manifold, through metering pump to spinning
Component, spinning temperature are 280 DEG C；
(4) melt is extruded as melt stream through profile spinneret 1, is then solidified out into using side-blown air-cooling process
Strand；The condition of the side-blown air-cooling process are as follows: cross air blasting is speed 0.50m/s, 20 DEG C of side-blown air temperature, side-blown wind moisture
80%；The profile spinneret 1 is ring structure, and the profile spinneret is equipped at least three spinneret orifice 11, described
Spinneret orifice 11 is herringbone, and the both ends of the bottom of every three lambdoid spinneret orifices 11 are sequentially connected end to end, and forms one and closes
Cyclic structure 12 is closed, the spacing at the both ends of the bottom of the lambdoid spinneret orifice 11 is 0.85mm；
(5) the tow input speed after nozzle oiling cluster is the lower draw-off godet of 3610m/min, then enters back into speed
The heated godet for being 135 DEG C for 3610m/min, temperature carries out thermal finalization；It is wound molding with the winding speed of 3600m/mi,
Obtain the terylene short fiber.
Performance test
1, according to GB/T6503-2008, the breaking strength of the terylene short fiber obtained to embodiment one to embodiment three gets damp again
Rate is tested respectively, and test result is shown in Table 1；
Table 1
| Test group | Breaking strength (cN/dtex) | Regain (%) |
| Embodiment one | 4.3 | 2.3 |
| Embodiment two | 4.5 | 2.1 |
| Embodiment three | 4.2 | 2.6 |
According to table 1, the breaking strength and regain for the terylene short fiber that embodiment one is obtained to embodiment three meet
Standard requirements.
2, embodiment one to the terylene short fiber that embodiment three obtains is spun into fabric respectively, then carries out far infrared respectively
It can test, test result is shown in Table 2.
Table 2
| Test group | Normal emittance | The standard requirements of normal emittance | Conclusion |
| Embodiment one | 0.97 | ≥0.80 | It is qualified |
| Embodiment two | 0.96 | ≥0.80 | It is qualified |
| Embodiment three | 0.95 | ≥0.80 | It is qualified |
According to table 2, the normal emittance for the fabric that embodiment one is spun into the terylene short fiber that embodiment three obtains is equal
Greater than standard requirements, have the function of warming.
In conclusion terylene short fiber provided by the invention has the advantages that thermal property is good.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, similarly include
In scope of patent protection of the invention.
Claims (8)
1. a kind of preparation method of terylene short fiber, which comprises the following steps:
(1) ethylene glycol of the terephthalic acid (TPA) of 300 parts by weight and 50 parts by weight is mixed under the conditions of 50-60 DEG C；Then
It is warming up to 150-160 DEG C of progress esterification, reaction time 10-15min；
(2) the dimethyl propylene glycol of 8-10 parts by weight, the 2,5- diformazan of 5-10 parts by weight are added in the product after esterification
Base -2,5- acetylenic glycols, 5-15 parts by weight 2- butene-1, two (hexane -1,6- glycol) of 4- di-n-butyl, 5-10 parts by weight
Titanium, the complex function additive of 5-10 parts by weight, the terephthalic acid (TPA) of 100 parts by weight and 50 parts by weight glycol ester, then
It is warming up to 200-250 DEG C, 10-15min is reacted under 200-300Pa vacuum condition, carries out first time polymerization reaction；Then at 230-
5-10min is reacted under 260 DEG C and 250-350Pa vacuum condition, is carried out second of polymerization reaction, is obtained copolyesters melt；It is described
Complex function additive is the mixing of silica, germanium dioxide, aluminium oxide and surface-modified aluminium-doped zinc oxide powder
Object, the silica, germanium dioxide, aluminium oxide and surface-modified aluminium-doped zinc oxide powder mass ratio be followed successively by 1:
(2-4):1:(2-4)；
(3) copolyesters melt is subjected to melt spinning；
(4) melt is squeezed out and is cooled down through profile spinneret；
(5) terylene short fiber successively is obtained through nozzle oiling cluster, seal wire, thermal finalization and coiling and molding.
2. the preparation method of terylene short fiber according to claim 1, which is characterized in that the step (3) specifically: will be total to
Polyester fondant is by melt pipe and booster pump pressure-increasing unit to spinning manifold, and through metering pump to filament spinning component, spinning temperature is
278±2℃。
3. the preparation method of terylene short fiber according to claim 1, which is characterized in that the step (4) specifically: will melt
Body is extruded as melt stream through spinneret, then solidifies out into strand using side-blown air-cooling process；The side-blown air cooling
The condition of technique are as follows: cross air blasting is speed 0.30m/s-0.50m/s, 18 ± 2 DEG C of side-blown air temperature, side-blown wind moisture 75 ± 5%.
4. the preparation method of terylene short fiber according to claim 1, which is characterized in that the step (5) specifically: through spraying
The lower draw-off godet that tow input speed after mouth oiling cluster is 3105-3610m/min, then entering back into speed is 3105-
3610m/min, the heated godet that temperature is 120-135 DEG C carry out thermal finalization；It is rolled up with the winding speed of 3100-3600m/mi
Around molding, the terylene short fiber is obtained.
5. the preparation method of terylene short fiber according to claim 1, which is characterized in that the silica, germanium dioxide,
The mass ratio of aluminium oxide and surface-modified aluminium-doped zinc oxide powder is followed successively by 1:2:1:3.
6. the preparation method of terylene short fiber according to claim 1, which is characterized in that the profile spinneret is ring junction
Structure, the profile spinneret are equipped at least three spinneret orifice, and the spinneret orifice is herringbone, and every three lambdoid
The both ends of the bottom of spinneret orifice are sequentially connected end to end, and form a closed hoop structure, the bottom of the lambdoid spinneret orifice
The spacing at the both ends in portion is 0.35-0.85mm.
7. the preparation method of terylene short fiber according to claim 1, which is characterized in that the silica, germanium dioxide,
The partial size of aluminium oxide and surface-modified aluminium-doped zinc oxide powder is 10-30 microns.
8. a kind of terylene short fiber, which is characterized in that by the preparation method system of terylene short fiber as claimed in any one of claims 1 to 6
It is standby to obtain.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111041572A (en) * | 2019-12-03 | 2020-04-21 | 北京航空航天大学 | Novel structural fiber for ultra-fast directional liquid transportation and preparation method thereof |
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| CN111100433A (en) * | 2019-12-26 | 2020-05-05 | 闽江学院 | Preparation method of oxygen barrier type PET bottle and product thereof |
| CN113638110A (en) * | 2021-09-16 | 2021-11-12 | 福州市晟浩纺织科技有限公司 | Manufacturing method of quick-drying polyester fabric |
| CN115928246A (en) * | 2022-11-17 | 2023-04-07 | 福建经纬新纤科技实业有限公司 | Preparation method of polyester staple fibers |
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| CN109252242B (en) | 2022-01-18 |
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