CN104831403A - Three-blade irregular cationic terylene FDY filament and production method thereof - Google Patents
Three-blade irregular cationic terylene FDY filament and production method thereof Download PDFInfo
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- CN104831403A CN104831403A CN201510206798.XA CN201510206798A CN104831403A CN 104831403 A CN104831403 A CN 104831403A CN 201510206798 A CN201510206798 A CN 201510206798A CN 104831403 A CN104831403 A CN 104831403A
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- 239000005020 polyethylene terephthalate Substances 0.000 title claims abstract description 62
- 229920004933 Terylene® Polymers 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title abstract description 4
- 125000002091 cationic group Chemical group 0.000 title abstract 4
- 230000001788 irregular Effects 0.000 title abstract 4
- 229920000139 polyethylene terephthalate Polymers 0.000 claims abstract description 41
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 26
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 17
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 17
- 238000009987 spinning Methods 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000002270 dispersing agent Substances 0.000 claims abstract description 7
- 239000000314 lubricant Substances 0.000 claims abstract description 7
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000011734 sodium Substances 0.000 claims abstract description 4
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 4
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims abstract description 4
- 150000001768 cations Chemical class 0.000 claims description 40
- 238000005098 hot rolling Methods 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 10
- 239000003921 oil Substances 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 9
- 238000004378 air conditioning Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 238000010791 quenching Methods 0.000 claims description 5
- 230000000171 quenching effect Effects 0.000 claims description 5
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 5
- HCILJBJJZALOAL-UHFFFAOYSA-N 3-(3,5-ditert-butyl-4-hydroxyphenyl)-n'-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyl]propanehydrazide Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)NNC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 HCILJBJJZALOAL-UHFFFAOYSA-N 0.000 claims description 3
- ZCILGMFPJBRCNO-UHFFFAOYSA-N 4-phenyl-2H-benzotriazol-5-ol Chemical compound OC1=CC=C2NN=NC2=C1C1=CC=CC=C1 ZCILGMFPJBRCNO-UHFFFAOYSA-N 0.000 claims description 3
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical group CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- 241000283725 Bos Species 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims description 2
- 230000002745 absorbent Effects 0.000 abstract 2
- 239000002250 absorbent Substances 0.000 abstract 2
- 150000002500 ions Chemical class 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 7
- 206010013786 Dry skin Diseases 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 229920000728 polyester Polymers 0.000 description 3
- 229920004934 Dacron® Polymers 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 229940114926 stearate Drugs 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229940114930 potassium stearate Drugs 0.000 description 1
- ANBFRLKBEIFNQU-UHFFFAOYSA-M potassium;octadecanoate Chemical compound [K+].CCCCCCCCCCCCCCCCCC([O-])=O ANBFRLKBEIFNQU-UHFFFAOYSA-M 0.000 description 1
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- Artificial Filaments (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention relates to a three-blade irregular cationic terylene FDY filament and a production method thereof. The filament comprises first PET slice (60 to 80 wt%) and cationic master batch (20 to 40 wt%); wherein the cationic master batch comprises the following raw materials in parts by weight: 30 to 50 parts of m-phthalic acid digylcol ester-5-sodium sulfonate, 0.3 to 0.5 part of lubricant, 1 to 3 parts of antioxidant, 10 to 20 parts of dispersant, 0.01 to 0.1 part of UV absorbent, and 20 to 50 parts of second PET slice. By adding master batch, which is prepared from lubricant, antioxidant, dispersant, UV absorbent, and second PET slice, into the first PET slice, the filament can be dyed by a negative ion dye. Besides, the spinning component adopts a three-blade irregular plate, the angles between the blades are 120 degrees, the ratio of length to width of each blade is 5-10:1, and thus three-blade irregular FDY filaments can be produced.
Description
Technical field
The invention belongs to polymeric material field, relate to a kind of polyester FDY long filament, be specifically related to a kind of three leaf abnormity CATION terylene FDY filament and production methods thereof.
Background technology
Dacron and people live closely bound up, are closely connected, for drapery, bedding, adornment, case and bag articles for use, tent etc.Polyester FDY (full name Fully Drawn Yarn, fullly drawn yarn (FDY)) introduces stretching action in spinning process, can obtain the undrawn yarn with high-orientation and crystalline medium degree.The smooth softness of polyester FDY fabric feel, is often used in and weaves silk-like fabric, has been widely used in clothes and family spin.Meanwhile, the productive rate in chemical fibre market sharply rises, and causes the dacron product situation that supply exceed demand to become increasingly conspicuous, and adds national more and more higher to the requirement of environmental protection, is necessary to develop FDY filament that is differential, functionalization.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of three leaf abnormity CATION terylene FDY filament.
For achieving the above object, the technical solution used in the present invention is: a kind of three leaf abnormity CATION terylene FDY filament, comprise the component of following weight fraction in its composition of raw materials: a PET section 60 ~ 80%, CATION master batch 20 ~ 40%, described CATION master batch comprises the raw material of following parts by weight:
M-phthalic acid binaryglycol ester-5-sodium sulfonate 30 ~ 50 parts;
Lubricant 0.3 ~ 0.5 part;
1 ~ 3 part, antioxidant;
Dispersant 10 ~ 20 parts;
Ultraviolet absorber 0.01 ~ 0.1 part;
2nd PET section 20 ~ 50 parts.
Optimally, its fiber number is 40 ~ 70dtex, and monofilament radical is 30 ~ 50f.
Optimally, described lubricant is the mixture of one or more compositions in stearate, described antioxidant is antioxidant 1010, antioxidant 215, antioxidant 225, antioxidant 300 or antioxidant 1024, described dispersant is PE wax or PP wax, and described ultraviolet absorber is that dihydroxy benaophenonel is or/and hydroxy-phenyl benzotriazole.
Another object of the present invention is the preparation method providing a kind of above-mentioned three leaf abnormity CATION terylene FDY filament, and it comprises the following steps:
An a PET section that () takes formula ratio is pre-crystallized, dry, and the CATION master batch taking formula ratio is pre-crystallized, dry;
B () makes PET melt by after a dried PET section and the mixing of dried CATION master batch through screw extruder;
C () produces as-spun fibre by being assigned to each spinning pack through measuring pump after described PET melt filter-press, the pressure of described spinning pack is 18 ~ 20MPa, it adopts three leaf profile spinnerets, and the angle between described spinnerets blade is 120 °, and described spinnerets blade length-width ratio is 5 ~ 10:1;
D described as-spun fibre oils through ring quenching, oil nozzle by (), set-stretching, add coiling and molding after grid.
Optimally, in step (a), a described PET pre-crystallized temperature of cutting into slices is 165 ~ 170 DEG C, and baking temperature is 170 ~ 175 DEG C, and dry air pressure is 0.18 ~ 0.22MPa, and dry air dew point controls below-80 DEG C; The pre-crystallized temperature of described CATION master batch is 165 ~ 170 DEG C, and baking temperature is 130 ~ 150 DEG C.
Optimally, in step (b), screw rod each district temperature of described screw extruder is: 270 ~ 275 DEG C, a district, 280 ~ 285 DEG C, 2nd district, 285 ~ 290 DEG C, 3rd district, 285 ~ 290 DEG C, 4th district, 290 ~ 293 DEG C, 5th district, 292 ~ 295 DEG C, 6th district, and the temperature of described PET melt is 290 ~ 295 DEG C.
Optimally, in described step (d), ring blowing temperature is 20 ~ 25 DEG C, and air conditioning exhausting blast 400 ~ 600Pa, the blast entering ring blow head is 25 ~ 30Pa, and humidity is 70 ~ 80%.
Optimally, in described step (d), the first hot-rolling speed is 1500 ~ 2000m/min, and temperature is 80 ~ 90 DEG C; Second hot-rolling speed is 4000 ~ 4500m/min, and temperature is 120 ~ 130 DEG C; Winding speed is 4000 ~ 4500m/min, and Winding Tension Controlling is 10 ~ 15 li of oxen.
Because technique scheme is used, the present invention compared with prior art has following advantages: the present invention three leaf abnormity CATION terylene FDY filament, by adding in a PET section because lubricant, antioxidant, dispersant, ultraviolet absorber, the 2nd PET cut into slices the CATION master batch be made into, can be dyeed by anionic dye; Spinning pack adopts three leaf profile spinnerets on the other hand, and the angle between this spinnerets blade is 120 °, and blade length-width ratio is 5 ~ 10:1, thus forms three leaf abnormity FDY filament.
Detailed description of the invention
To be described in detail to the preferred embodiment of the invention below:
Embodiment 1
The present embodiment provides a kind of three leaf abnormity CATION terylene FDY filament, the component of following weight fraction is comprised: a PET section 60%(inherent viscosity 0.648dl/g in its composition of raw materials, fusing point 260 DEG C, Yizheng Chemical Fiber Co., Ltd., SINOPEC), CATION master batch 40%, CATION master batch comprises following parts by weight raw material: M-phthalic acid binaryglycol ester-5-sodium sulfonate (SIPE) 30 parts, calcium stearate 0.3 part, antioxidant 1010 is 1 part, 10 parts, PE wax, dihydroxy benaophenonel 0.01 part, 2nd PET cuts into slices 20 parts of (inherent viscosity 0.648dl/g, fusing point 260 DEG C, Yizheng Chemical Fiber Co., Ltd., SINOPEC),
Its preparation method and parameter specific as follows:
An a PET section that () takes formula ratio 165 DEG C pre-crystallized, with being placed on 170 DEG C of dryings (dry air pressure is 0.18MPa, and dew point is-80 DEG C), the CATION master batch taking formula ratio 165 DEG C pre-crystallized, with being placed on 130 DEG C of dryings;
(b) by dried one PET section and dried CATION master batch mix after through screw extruder, screw rod each district temperature of screw extruder is: 270 DEG C, a district, 280 DEG C, 2nd district, 285 DEG C, 3rd district, 285 DEG C, 4th district, 290 DEG C, 5th district, 292 DEG C, 6th district, makes PET melt;
C () is assigned to each spinning pack by after PET melt filter-press through measuring pump, the pressure of spinning pack is 18MPa, and it adopts three leaf profile spinnerets, and the angle between spinnerets blade is 120 °, and its length-width ratio is 5:1; ;
D () is by ring quenching (the air conditioning exhausting blast 400Pa of described as-spun fibre through 20 DEG C, the blast entering ring blow head is 25Pa, humidity is 70%), oil nozzle oils, (adopt two hot-rollings to stretch, the first hot-rolling speed is 1500m/min, and temperature is 80 DEG C after set-stretching; Second hot-rolling speed is 4000m/min, and temperature is 120 DEG C), coiling and molding (winding speed of take up roll is 4000m/min, and Winding Tension Controlling is 10cN).
Embodiment 2
The present embodiment provides a kind of three leaf abnormity CATION terylene FDY filament, the component of following weight fraction is comprised: a PET section 80%(inherent viscosity 0.648dl/g in its composition of raw materials, fusing point 260 DEG C, Yizheng Chemical Fiber Co., Ltd., SINOPEC), CATION master batch 6%, CATION master batch comprises following parts by weight raw material: SIPE 50 parts, odium stearate 0.5 part, antioxidant 215 is 3 parts, 20 parts, PP wax, hydroxy-phenyl benzotriazole 0.1 part, 2nd PET cuts into slices 50 parts of (inherent viscosity 0.648dl/g, fusing point 260 DEG C, Yizheng Chemical Fiber Co., Ltd., SINOPEC),
Its preparation method and parameter specific as follows:
An a PET section that () takes formula ratio 170 DEG C pre-crystallized, with being placed on 175 DEG C of dryings (dry air pressure is 0.22MPa, and dew point is-85 DEG C), the CATION master batch taking formula ratio 170 DEG C pre-crystallized, with being placed on 150 DEG C of dryings;
(b) by dried one PET section and dried CATION master batch mix after through screw extruder, screw rod each district temperature of screw extruder is: 275 DEG C, a district, 285 DEG C, 2nd district, 290 DEG C, 3rd district, 290 DEG C, 4th district, 293 DEG C, 5th district, 295 DEG C, 6th district, makes PET melt;
C () is assigned to each spinning pack by after PET melt filter-press through measuring pump, the pressure of spinning pack is 20MPa, and it adopts three leaf profile spinnerets, and the angle between spinnerets blade is 120 °, and its length-width ratio is 10:1;
D () is by ring quenching (the air conditioning exhausting blast 600Pa of described as-spun fibre through 25 DEG C, the blast entering ring blow head is 30Pa, humidity is 80%), oil nozzle oils, (adopt two hot-rollings to stretch, the first hot-rolling speed is 2000m/min, and temperature is 90 DEG C after set-stretching; Second hot-rolling speed is 4500m/min, and temperature is 130 DEG C), coiling and molding (winding speed of take up roll is 4500m/min, and Winding Tension Controlling is 15cN).
Embodiment 3
The invention provides a kind of three leaf abnormity CATION terylene FDY filament, the component of following weight fraction is comprised: a PET section 70%(inherent viscosity 0.648dl/g in its composition of raw materials, fusing point 260 DEG C, Yizheng Chemical Fiber Co., Ltd., SINOPEC), CATION master batch 30%, CATION master batch comprises following parts by weight raw material: SIPE 40 parts, potassium stearate 0.4 part, (wherein antioxidant 225 is 0.5 part to antioxidant composition 2 parts, antioxidant 300 is 0.5 part and antioxidant 1024 is 1 part), 8 parts, PE wax and 8 parts, PP wax, dihydroxy benaophenonel 0.05 part, 2nd PET cuts into slices 30 parts of (inherent viscosity 0.648dl/g, fusing point 260 DEG C, Yizheng Chemical Fiber Co., Ltd., SINOPEC, it and the 2nd PET are sliced into point identical),
Its preparation method and parameter specific as follows:
An a PET section that () takes formula ratio 168 DEG C pre-crystallized, with being placed on 172 DEG C of dryings (dry air pressure is 0.20MPa, and dew point is-82 DEG C), the CATION master batch taking formula ratio 168 DEG C pre-crystallized, with being placed on 140 DEG C of dryings;
(b) by dried one PET section and dried CATION master batch mix after through screw extruder, screw rod each district temperature of screw extruder is: 272 DEG C, a district, 282 DEG C, 2nd district, 288 DEG C, 3rd district, 289 DEG C, 4th district, 292 DEG C, 5th district, 294 DEG C, 6th district, makes PET melt;
C () is assigned to each spinning pack by after PET melt filter-press through measuring pump, the pressure of spinning pack is 20MPa, and it adopts three leaf profile spinnerets, and the angle between spinnerets blade is 120 °, and its length-width ratio is 8:1;
D () is by ring quenching (the air conditioning exhausting blast 500Pa of described as-spun fibre through 22 DEG C, the blast entering ring blow head is 28Pa, humidity is 75%), oil nozzle oils, (adopt two hot-rollings to stretch, the first hot-rolling speed is 1800m/min, and temperature is 85 DEG C after set-stretching; Second hot-rolling speed is 4200m/min, and temperature is 125 DEG C), coiling and molding (winding speed of take up roll is 4200m/min, and Winding Tension Controlling is 12cN).
Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and implement according to this; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (8)
1. three leaf abnormity CATION terylene FDY filament, it is characterized in that: the component comprising following weight fraction in its composition of raw materials: a PET section 60 ~ 80%, CATION master batch 20 ~ 40%, described CATION master batch comprises the raw material of following parts by weight:
M-phthalic acid binaryglycol ester-5-sodium sulfonate 30 ~ 50 parts;
Lubricant 0.3 ~ 0.5 part;
1 ~ 3 part, antioxidant;
Dispersant 10 ~ 20 parts;
Ultraviolet absorber 0.01 ~ 0.1 part;
2nd PET section 20 ~ 50 parts.
2. three leaf abnormity CATION terylene FDY filament according to claim 1, is characterized in that: its fiber number is 40 ~ 70dtex, and monofilament radical is 30 ~ 50f.
3. three leaf abnormity CATION terylene FDY filament according to claim 1, it is characterized in that: described lubricant is the mixture of one or more compositions in stearate, described antioxidant is antioxidant 1010, antioxidant 215, antioxidant 225, antioxidant 300 or antioxidant 1024, described dispersant is PE wax or PP wax, and described ultraviolet absorber is that dihydroxy benaophenonel is or/and hydroxy-phenyl benzotriazole.
4. the preparation method of arbitrary described three leaves abnormity CATION terylene FDY filament in claims 1 to 3, it is characterized in that, it comprises the following steps:
An a PET section that () takes formula ratio is pre-crystallized, dry, and the CATION master batch taking formula ratio is pre-crystallized, dry;
B () makes PET melt by after a dried PET section and the mixing of dried CATION master batch through screw extruder;
C () produces as-spun fibre by being assigned to each spinning pack through measuring pump after described PET melt filter-press, the pressure of described spinning pack is 18 ~ 20MPa, it adopts three leaf profile spinnerets, and the angle between described spinnerets blade is 120 °, and described spinnerets blade length-width ratio is 5 ~ 10:1;
D described as-spun fibre oils through ring quenching, oil nozzle by (), set-stretching, add coiling and molding after grid.
5. the preparation method of three leaves abnormity CATION terylene FDY filament according to claim 4, it is characterized in that: in step (a), a described PET pre-crystallized temperature of cutting into slices is 165 ~ 170 DEG C, baking temperature is 170 ~ 175 DEG C, dry air pressure is 0.18 ~ 0.22MPa, and dry air dew point controls below-80 DEG C; The pre-crystallized temperature of described CATION master batch is 165 ~ 170 DEG C, and baking temperature is 130 ~ 150 DEG C.
6. the preparation method of three leaves abnormity CATION terylene FDY filament according to claim 4, it is characterized in that: in step (b), screw rod each district temperature of described screw extruder is: 270 ~ 275 DEG C, a district, 280 ~ 285 DEG C, 2nd district, 285 ~ 290 DEG C, 3rd district, 285 ~ 290 DEG C, 4th district, 290 ~ 293 DEG C, 5th district, 292 ~ 295 DEG C, 6th district, and the temperature of described PET melt is 290 ~ 295 DEG C.
7. the preparation method of three leaves abnormity CATION terylene FDY filament according to claim 4, it is characterized in that: in described step (d), ring blowing temperature is 20 ~ 25 DEG C, air conditioning exhausting blast 400 ~ 600Pa, the blast entering ring blow head is 25 ~ 30Pa, and humidity is 70 ~ 80%.
8. the preparation method of three leaves abnormity CATION terylene FDY filament according to claim 4, it is characterized in that: in described step (d), the first hot-rolling speed is 1500 ~ 2000m/min, and temperature is 80 ~ 90 DEG C; Second hot-rolling speed is 4000 ~ 4500m/min, and temperature is 120 ~ 130 DEG C; Winding speed is 4000 ~ 4500m/min, and Winding Tension Controlling is 10 ~ 15 li of oxen.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510206798.XA CN104831403A (en) | 2015-04-28 | 2015-04-28 | Three-blade irregular cationic terylene FDY filament and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510206798.XA CN104831403A (en) | 2015-04-28 | 2015-04-28 | Three-blade irregular cationic terylene FDY filament and production method thereof |
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| CN104831403A true CN104831403A (en) | 2015-08-12 |
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| CN106801265A (en) * | 2016-12-29 | 2017-06-06 | 江苏恒科新材料有限公司 | Hollow FDY, shape polyester fiber of a kind of 8 words and preparation method thereof |
| CN106835338A (en) * | 2016-12-29 | 2017-06-13 | 江苏恒科新材料有限公司 | FDY, a kind of pancake polyester fiber and preparation method thereof |
| CN106835335A (en) * | 2016-12-29 | 2017-06-13 | 江苏恒科新材料有限公司 | A kind of Direct-spinning of PET Fiber method for reducing die swell ratio |
| CN106835337A (en) * | 2016-12-29 | 2017-06-13 | 江苏恒科新材料有限公司 | HOY, a kind of triangle profile polyester fiber and preparation method thereof |
| CN106835336A (en) * | 2016-12-29 | 2017-06-13 | 江苏恒科新材料有限公司 | FDY, a kind of square hollow polyester fiber and preparation method thereof |
| CN106835334A (en) * | 2016-12-29 | 2017-06-13 | 江苏恒科新材料有限公司 | A kind of leafy FDY, hollow shape polyester fiber and preparation method thereof |
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- 2015-04-28 CN CN201510206798.XA patent/CN104831403A/en active Pending
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| CN106835338A (en) * | 2016-12-29 | 2017-06-13 | 江苏恒科新材料有限公司 | FDY, a kind of pancake polyester fiber and preparation method thereof |
| CN106835335A (en) * | 2016-12-29 | 2017-06-13 | 江苏恒科新材料有限公司 | A kind of Direct-spinning of PET Fiber method for reducing die swell ratio |
| CN106835337A (en) * | 2016-12-29 | 2017-06-13 | 江苏恒科新材料有限公司 | HOY, a kind of triangle profile polyester fiber and preparation method thereof |
| CN106835336A (en) * | 2016-12-29 | 2017-06-13 | 江苏恒科新材料有限公司 | FDY, a kind of square hollow polyester fiber and preparation method thereof |
| CN106835334A (en) * | 2016-12-29 | 2017-06-13 | 江苏恒科新材料有限公司 | A kind of leafy FDY, hollow shape polyester fiber and preparation method thereof |
| CN106801265A (en) * | 2016-12-29 | 2017-06-06 | 江苏恒科新材料有限公司 | Hollow FDY, shape polyester fiber of a kind of 8 words and preparation method thereof |
| CN106801265B (en) * | 2016-12-29 | 2019-08-27 | 江苏恒科新材料有限公司 | Hollow FDY, shape polyester fiber of 8 words of one kind and preparation method thereof |
| CN107245768B (en) * | 2016-12-29 | 2020-06-05 | 江苏恒科新材料有限公司 | Superfine denier polyester fiber FDY (fully drawn yarn) and preparation method thereof |
| CN106835335B (en) * | 2016-12-29 | 2020-06-05 | 江苏恒科新材料有限公司 | Polyester spinning method for reducing extrusion swelling ratio |
| CN110983575A (en) * | 2019-12-29 | 2020-04-10 | 江苏恒力化纤股份有限公司 | Preparation method of oxford fabric |
| CN113774504A (en) * | 2021-09-08 | 2021-12-10 | 广东蒙泰高新纤维股份有限公司 | Polypropylene bulked filament for environment-friendly fiber bundle filter and preparation method thereof |
| CN113774504B (en) * | 2021-09-08 | 2023-11-24 | 广东蒙泰高新纤维股份有限公司 | Polypropylene bulked filament for environment-friendly fiber bundle filter and preparation method thereof |
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