CN101235592A - Terylene FDY nano spinning finish and its preparing process - Google Patents

Terylene FDY nano spinning finish and its preparing process Download PDF

Info

Publication number
CN101235592A
CN101235592A CNA2008100186518A CN200810018651A CN101235592A CN 101235592 A CN101235592 A CN 101235592A CN A2008100186518 A CNA2008100186518 A CN A2008100186518A CN 200810018651 A CN200810018651 A CN 200810018651A CN 101235592 A CN101235592 A CN 101235592A
Authority
CN
China
Prior art keywords
polyester fiber
inorganic nano
spinning oil
oil
additive
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.)
Pending
Application number
CNA2008100186518A
Other languages
Chinese (zh)
Inventor
王良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUJIANG LIANGYAN TEXTILE AUXILIARY AGENT PLANT
Original Assignee
WUJIANG LIANGYAN TEXTILE AUXILIARY AGENT PLANT
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WUJIANG LIANGYAN TEXTILE AUXILIARY AGENT PLANT filed Critical WUJIANG LIANGYAN TEXTILE AUXILIARY AGENT PLANT
Priority to CNA2008100186518A priority Critical patent/CN101235592A/en
Publication of CN101235592A publication Critical patent/CN101235592A/en
Pending legal-status Critical Current

Links

Landscapes

  • Artificial Filaments (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

The invention relates to polyester FDY nanometer spinning oil solution and a method for preparing the polyester FDY nanometer spinning oil solution, wherein the polyester FDY nanometer spinning oil solution takes the oil solution total weight as benchmark and comprises: smoothing agent 46-48%, emulsifier 28-32%, anstatic agent 9-10%, balance adjuster 5-7% and inorganic nanometer additive 5-7%. Each component of the oil solution is rationally mixed and mutually coordinated, and the oil solution has good comprehensive property. The method for preparing the polyester FDY nanometer spinning oil solution comprises: preparing inorganic nanometer additive, adding the smoothing agent, the emulsifier and the anstatic agent into a reactor, heating and stirring until the mixture becomes even, cooling the mixture which is evenly stirred, filtering, and obtaining the oil solution products. The method for preparing is simple and easy to operate.

Description

Nanometer polyester fiber FDY spinning oil preparation and preparation method thereof
Technical field
The invention belongs to the processing technique field of synthetic fiber, particularly relate to a kind of high-speed spinning oil for terylene fibres and manufacture method thereof.
Background technology
Because synthetic fiber do not have surface of natural fibers that special adhesiveness is arranged like that, in order to guarantee that synthetic fiber carry out spinning under certain condition smoothly, improve the quality of fibre property and silk, the value of raising fibre, in spinning process, must use finish, the static that produces in minimizing and the release spinning process, the cohesive force between the control tow, prevent wearing and tearing, the demand that makes spinning can carry out and make spun fiber can satisfy later process and make processing smoothly.Finish of the prior art mainly is made up of smooth agent, collecting agent, antistatic additive, emulsifying agent and equilibrium modifier, in preparation finish process, depend merely on the requirement that a kind of surfactant is difficult to adapt to each side, must be together with dissimilar surfactant compounds, learn from other's strong points to offset one's weaknesses mutually, bring into play its coordinating effect, according to HLB value theory and practice experience, the finish product that utilizes the dedicated experiments technology to make to satisfy application demand.
Polyster fibre is in the FDY spinning process, tow need pass through preheating and stretching, by hot-rolling and thread guide, these operations are all finished under the speed of 2000~4800m/min, therefore in order to guarantee carrying out smoothly of polyester FDY spinning technique, improve fibre property and quality, must use high performance spinning oil.But the FDY spinning oil of using in the prior art, because it constitutes the difference of forming, the cooperation of each component is bad, causes occurring easily lousiness, broken end phenomenon in spinning process, and has corrosivity, is difficult to adapt to the user demand of high speed PET spinning.
Summary of the invention
Technical problem to be solved by this invention provides a kind of nanometer polyester fiber FDY spinning oil preparation, and rationally composite, the mutual coordination of its each component makes this spinning oil good combination property, can adapt to the technological requirement of high speed PET spinning.
The present invention also will provide a kind of preparation method of above-mentioned nanometer polyester fiber FDY spinning oil preparation, and this method is simple, easy to operate.
For achieving the above object, the technical solution used in the present invention is:
A kind of nanometer polyester fiber FDY spinning oil preparation is a benchmark with the gross weight of nanometer polyester fiber FDY spinning oil preparation, and it consists of: smooth agent 46~48%, emulsifying agent 28~32%, antistatic additive 9~10%, equilibrium modifier 5~7%, inorganic nano additive 5~7%.
Smooth agent is preferably any one or the multiple mixture in vegetable oil, animal oil, mineral oil and the Synthetic Oil, and Synthetic Oil is preferably any one or the multiple mixture in aliphatic acid alcohol ester, polyol resin, Tissuemat E and the silicone oil.
Emulsifying agent is preferably any one or the multiple mixture in alkyl ether type surfactant, alkylphenyl group ether type surfactant, the Imidazoline Surfactants.
Equilibrium modifier is preferably water-based silicone oil, the C of molecular weight 1500~2500 8~C 22Fatty alcohol and C 6~C 20In the aliphatic acid any one or multiple mixture.
The inorganic nano additive is preferably any one or the multiple mixture in titanium dioxide, alundum (Al, calcium carbonate, talcum powder and the silica.
A kind of preparation method of nanometer polyester fiber FDY spinning oil preparation, it in turn includes the following steps:
(1), the preparation of inorganic nano additive: in reactor, add deionized water, inorganic nano material and surfactant, the mass ratio of inorganic nano material, surfactant, deionized water is 1: 1.8~2.1: 12~20, carry out ultrasonic to reactor, inorganic nano material is uniformly dispersed under action of ultrasonic waves, obtains described inorganic nano additive;
(2), in above-mentioned inorganic nano additive, add smooth agent, emulsifying agent and the antistatic additive of formula ratio, and be heated to 70~80 degrees centigrade, the back that stirs adds the equilibrium modifier of formula ratio, is stirred to evenly.
(3), the mixture in the reactor is cooled to room temperature, filter and obtain described nanometer polyester fiber FDY spinning oil preparation.
Because the technique scheme utilization, the present invention compared with prior art has following advantage:
Under the prerequisite that makes full use of the coordinating effect principle, by a large amount of experiments, improve to form each component rationally composite of finish, this FDY nano spinning finish is smoothly functional, and no abnormal broken end can obviously improve the high-class product rate under same process conditions; Emulsion-stabilizing, no layering, free from extraneous odour; Emulsion has good wettability to tow, makes the tow of high-speed cruising can adsorb finish rapidly, and extends rapidly on fiber surface, reaches evenly to oil; The finish good heat resistance, be fuming less, no coking, have excellent antistatic properties, convergence is good.
The specific embodiment
The present invention is further described to enumerate embodiment below, but the present invention is not only limited to these embodiment.
Embodiment 1:
Nanometer polyester fiber FDY spinning oil preparation is a benchmark with the gross weight of finish, and it consists of:
Inorganic nano additive 6%, smooth agent 46%, emulsifying agent 32%, antistatic additive 9%, equilibrium modifier 7%.
Its preparation process is as follows:
(1), the preparation of inorganic nano additive: accurately take by weighing 1.0 kilograms of dodecyl sodium sulfates in 17.0 kilograms of deionized waters, add 0.15 kilogram of nano zine oxide, 0.15 kilogram of nano titanium oxide, 0.15 kilogram of nano silicon, 0.15 kilogram of calcium carbonate then, under the ultrasonic wave effect, high-speed stirred is uniformly dispersed the various nano materials of above-mentioned adding.
(2), the smooth agent with accurate weighing, emulsifying agent, antistatic additive add in the reactor, is heated to about 75 degrees centigrade, 100 rev/mins of mixing speeds stirred about 30 minutes, the back of waiting to stir adds equilibrium modifier, is stirred to even;
(3), the cooling of the mixture in the above-mentioned reactor, filtration are obtained nanometer polyester fiber FDY spinning oil preparation.Wherein, consisting of of described smooth agent: 0.9 kilogram of olein, 0.9 kilogram of decanedioic acid dibutyl ester, 1.8 kilograms of adipic acid two oleyl alcohol esters, 1.0 kilograms in mineral oil;
Consisting of of emulsifying agent: 1.1 kilograms of castor oil Macrogol Esters, 1.0 kilograms of polyoxyethylene nonylphenol ether, 1.1 kilograms of Brijs;
Antistatic additive: 0.9 kilogram of polyoxyethylene nonylphenol ether phosphate ester salt;
Equilibrium modifier: 0.7 kilogram of water-based silicone oil.
Embodiment 2:
Nanometer polyester fiber FDY spinning oil preparation is a benchmark with the gross weight of finish, and it consists of:
Inorganic nano additive 5%, smooth agent 48%, emulsifying agent 32%, antistatic additive 9%, equilibrium modifier 6%.
Its preparation method is:
(1), the preparation of inorganic nano additive: accurately take by weighing 0.8 kilogram of dodecyl sodium sulfate in 15.0 kilograms of deionized waters, add 0.2 kilogram of nano zine oxide, 0.2 kilogram of nano silicon, 0.1 kilogram of calcium carbonate then, under the ultrasonic wave effect, high-speed stirred is disperseed the various nano materials of above-mentioned adding.
(2), the smooth agent with accurate weighing, emulsifying agent, antistatic additive add in the reactor, is heated to about 75 degrees centigrade, 100 rev/mins of mixing speeds stirred about 30 minutes, the back of waiting to stir adds equilibrium modifier, is stirred to even;
(3), the cooling of the mixture in the above-mentioned reactor, filtration are obtained nanometer polyester fiber FDY spinning oil preparation.
Wherein, consisting of of smooth agent: 0.9 kilogram of olein, 0.9 kilogram of decanedioic acid dibutyl ester, 2.0 kilograms of adipic acid two oleyl alcohol esters, 1.0 kilograms of colza oil;
Consisting of of emulsifying agent: 1.6 kilograms of castor oil polyoxyethylene ethers, 1.6 kilograms of polyoxyethylene nonylphenol ether;
Antistatic additive: 0.4 kilogram of amphoteric phosphate ammonia salt, 0.5 kilogram of polyoxyethylene nonylphenol ether phosphate ester salt;
Equilibrium modifier: 0.6 kilogram of water-based silicone oil.
Embodiment 3:
Nanometer polyester fiber FDY spinning oil preparation is a benchmark with the gross weight of finish, and it consists of:
Inorganic nano additive 5%, smooth agent 48%, emulsifying agent 30%, antistatic additive 10%, equilibrium modifier 7%.
The same example of preparation method.
The performance indications of the FDY nano spinning finish that obtains according to prescription of the present invention and preparation method and import FDY finish (KB12 of German DO KA company spinning oil) comparative result are referring to table 1:
Table 1 physical and chemical performance index test result
Technical indicator The import finish Embodiment 1 Embodiment 2
Outward appearance Light yellow transparent oily liquid Light yellow transparent oily liquid Light yellow transparent oily liquid
Ion-type Nonionic/anion Anionic/nonionic Anionic/nonionic
The pH value 6.8 6.8 6.8
10%, 2 ℃ of emulsion room temperature stability, 7d Translucent, blue-fluorescence, no change Translucent, blue-fluorescence, no change Translucent, blue-fluorescence, no change
10%, 60 ℃ of emulsion high-temperature stability, 72h Stable, a small amount of scum silica frost is arranged Stable Stable
Smoke point ℃ 134 134 134
Volatile los %, 150 ℃, 1h 2.3 1.5 1.5
Viscosity CP, 40 ℃ 65 68 68
Surface tension, 10% 35.1 28.5 28.5
The rate that oils, % 0.8 0.9 0.9
Emulsion conductance 10%, μ s/cm 595 200 200
In addition, the fibre property test result then shows, this nanometer polyester fiber FDY spinning oil preparation more than or equal to 98%, and does not have the lousiness phenomenon to the dyeing M rate of fiber, and moulding is good.
From physical and chemical indexes and actual use interpretation of result, every index of nanometer polyester fiber FDY spinning oil preparation of the present invention all reaches or is higher than the level of external similar finish.
In sum, nanometer polyester fiber FDY spinning oil preparation of the present invention has better spinnability and back processability, and the chemical fibre silk of having gone up this finish can both be suitable for common applicable to spinning (circle) fiber, profiled filament to woven, knitting back processing; Fine count fiber and superfine Denier fibre; Spin about 5500 meters/minute of scooters.

Claims (6)

1, a kind of nanometer polyester fiber FDY spinning oil preparation, it is characterized in that: the gross weight with nanometer polyester fiber FDY spinning oil preparation is a benchmark, and it consists of: smooth agent 46~48%, emulsifying agent 28~32%, antistatic additive 9~10%, equilibrium modifier 5~7%, inorganic nano additive 5~7%.
2, nanometer polyester fiber FDY spinning oil preparation according to claim 1, it is characterized in that: described smooth agent is any one or the multiple mixture in vegetable oil, animal oil, mineral oil and the Synthetic Oil, and described Synthetic Oil is any one or the multiple mixture in aliphatic acid alcohol ester, polyol resin, Tissuemat E and the silicone oil.
3, nanometer polyester fiber FDY spinning oil preparation according to claim 1 is characterized in that: described emulsifying agent is any one or the multiple mixture in alkyl ether type surfactant, alkylphenyl group ether type surfactant, the Imidazoline Surfactants.
4, nanometer polyester fiber FDY spinning oil preparation according to claim 1 is characterized in that: described equilibrium modifier is water-based silicone oil, the C of molecular weight 1500~2500 8~C 22Fatty alcohol and C 6~C 20In the aliphatic acid any one or multiple mixture.
5, nanometer polyester fiber FDY spinning oil preparation according to claim 1 is characterized in that: described inorganic nano additive is any one or the multiple mixture in titanium dioxide, alundum (Al, calcium carbonate, talcum powder and the silica.
6, a kind of preparation method of nanometer polyester fiber FDY spinning oil preparation as claimed in claim 1, it is characterized in that: it in turn includes the following steps:
(1), the preparation of inorganic nano additive: in reactor, add deionized water, inorganic nano material and surfactant, deionized water, the mass ratio of inorganic nano material, surfactant, deionized water is 1: 1.8~2.1: 12~20, reactor is carried out ultrasonic, inorganic nano material is uniformly dispersed under action of ultrasonic waves and obtains described inorganic nano additive;
(2), in above-mentioned inorganic nano additive, add smooth agent, emulsifying agent and the antistatic additive of formula ratio, and be heated to 70~80 degrees centigrade, the back that stirs adds the equilibrium modifier of formula ratio, is stirred to evenly.
(3), the mixture in the above-mentioned reactor is cooled to room temperature, filter and obtain nanometer polyester fiber FDY spinning oil preparation.
CNA2008100186518A 2008-03-07 2008-03-07 Terylene FDY nano spinning finish and its preparing process Pending CN101235592A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2008100186518A CN101235592A (en) 2008-03-07 2008-03-07 Terylene FDY nano spinning finish and its preparing process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2008100186518A CN101235592A (en) 2008-03-07 2008-03-07 Terylene FDY nano spinning finish and its preparing process

Publications (1)

Publication Number Publication Date
CN101235592A true CN101235592A (en) 2008-08-06

Family

ID=39919476

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2008100186518A Pending CN101235592A (en) 2008-03-07 2008-03-07 Terylene FDY nano spinning finish and its preparing process

Country Status (1)

Country Link
CN (1) CN101235592A (en)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101469509B (en) * 2007-12-27 2012-12-12 竹本油脂株式会社 Treating agent for synthetic fiber, method for treating synthetic fiber, and synthetic fiber
CN103147168A (en) * 2013-03-06 2013-06-12 常州市灵达化学品有限公司 Spinning finish and preparation method thereof
CN103469568A (en) * 2013-09-26 2013-12-25 江苏立新化纤科技有限公司 Oiling agent for fluorine-containing polyester FDY fiber and preparation method of oiling agent
CN104611912A (en) * 2015-01-26 2015-05-13 江苏文凤化纤集团有限公司 Chinlon spinning additive
CN104631095A (en) * 2015-01-26 2015-05-20 江苏文凤化纤集团有限公司 Preparation method for nano additive
CN104674547A (en) * 2015-01-26 2015-06-03 海安巨丰化纤有限公司 Nano additive for spinning and oiling agent
CN104878606A (en) * 2015-05-08 2015-09-02 苏州锴诚缝制设备有限公司 Smoothing agent for fabrics and preparation method thereof
CN105133306A (en) * 2015-08-26 2015-12-09 蚌埠市东方金河毛纺有限公司 Emulsified oil for woolen and fur and preparation method of emulsified oil
CN106065527A (en) * 2016-07-08 2016-11-02 苏州夏尔植物油脂科技有限公司 Polyester filament FDY spinning oil and preparation method thereof
CN106120343A (en) * 2016-07-08 2016-11-16 苏州夏尔植物油脂科技有限公司 A kind of terylene, cotton synthetic fibre silk oil preparation, preparation method and applications
CN106381696A (en) * 2016-08-29 2017-02-08 海安县锦荣化纤有限公司 Oil agent for spinning
CN108130731A (en) * 2017-12-15 2018-06-08 江苏新瑞贝科技股份有限公司 A kind of polyester filament spinning oil and preparation method thereof
CN108221387A (en) * 2018-01-31 2018-06-29 江苏文凤化纤集团有限公司 The preparation method of polyamide fibre FDY finishes
CN108442115A (en) * 2018-02-10 2018-08-24 戴琪 A kind of preparation method of spinning oil
CN108517585A (en) * 2018-02-09 2018-09-11 海盐县硕创服装研究所 Spinning oil and preparation method thereof for cord fabric thread
CN108532302A (en) * 2018-01-31 2018-09-14 江苏文凤化纤集团有限公司 Polyamide fibre FDY finishes
CN110325674A (en) * 2016-12-21 2019-10-11 格罗兹-贝克特公司 The supatex fabric for producing the method for fiber and supatex fabric by solution blowing spinning and thus producing
CN115404570A (en) * 2022-09-22 2022-11-29 桐乡市恒隆化工有限公司 FDY oil agent for superfine denier fibers and preparation method thereof
CN116556056A (en) * 2023-01-18 2023-08-08 浙江恒翔新材料有限公司 Polyester POY (polyester pre-oriented yarn) oiling agent and preparation method thereof

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101469509B (en) * 2007-12-27 2012-12-12 竹本油脂株式会社 Treating agent for synthetic fiber, method for treating synthetic fiber, and synthetic fiber
CN103147168B (en) * 2013-03-06 2017-06-16 常州市灵达化学品有限公司 A kind of spinning oil and preparation method
CN103147168A (en) * 2013-03-06 2013-06-12 常州市灵达化学品有限公司 Spinning finish and preparation method thereof
CN103469568A (en) * 2013-09-26 2013-12-25 江苏立新化纤科技有限公司 Oiling agent for fluorine-containing polyester FDY fiber and preparation method of oiling agent
CN104611912A (en) * 2015-01-26 2015-05-13 江苏文凤化纤集团有限公司 Chinlon spinning additive
CN104631095A (en) * 2015-01-26 2015-05-20 江苏文凤化纤集团有限公司 Preparation method for nano additive
CN104674547A (en) * 2015-01-26 2015-06-03 海安巨丰化纤有限公司 Nano additive for spinning and oiling agent
WO2016119483A1 (en) * 2015-01-26 2016-08-04 江苏文凤化纤集团有限公司 Chinlon spinning additive
CN104611912B (en) * 2015-01-26 2016-09-07 江苏文凤化纤集团有限公司 Extrusion spinning additive
CN104878606A (en) * 2015-05-08 2015-09-02 苏州锴诚缝制设备有限公司 Smoothing agent for fabrics and preparation method thereof
CN105133306A (en) * 2015-08-26 2015-12-09 蚌埠市东方金河毛纺有限公司 Emulsified oil for woolen and fur and preparation method of emulsified oil
CN106065527A (en) * 2016-07-08 2016-11-02 苏州夏尔植物油脂科技有限公司 Polyester filament FDY spinning oil and preparation method thereof
CN106120343A (en) * 2016-07-08 2016-11-16 苏州夏尔植物油脂科技有限公司 A kind of terylene, cotton synthetic fibre silk oil preparation, preparation method and applications
CN106381696A (en) * 2016-08-29 2017-02-08 海安县锦荣化纤有限公司 Oil agent for spinning
CN110325674A (en) * 2016-12-21 2019-10-11 格罗兹-贝克特公司 The supatex fabric for producing the method for fiber and supatex fabric by solution blowing spinning and thus producing
CN108130731A (en) * 2017-12-15 2018-06-08 江苏新瑞贝科技股份有限公司 A kind of polyester filament spinning oil and preparation method thereof
CN108221387A (en) * 2018-01-31 2018-06-29 江苏文凤化纤集团有限公司 The preparation method of polyamide fibre FDY finishes
CN108532302A (en) * 2018-01-31 2018-09-14 江苏文凤化纤集团有限公司 Polyamide fibre FDY finishes
CN108517585A (en) * 2018-02-09 2018-09-11 海盐县硕创服装研究所 Spinning oil and preparation method thereof for cord fabric thread
CN108442115A (en) * 2018-02-10 2018-08-24 戴琪 A kind of preparation method of spinning oil
CN115404570A (en) * 2022-09-22 2022-11-29 桐乡市恒隆化工有限公司 FDY oil agent for superfine denier fibers and preparation method thereof
CN116556056A (en) * 2023-01-18 2023-08-08 浙江恒翔新材料有限公司 Polyester POY (polyester pre-oriented yarn) oiling agent and preparation method thereof
CN116556056B (en) * 2023-01-18 2024-04-26 浙江恒翔新材料有限公司 Polyester POY (polyester pre-oriented yarn) oiling agent and preparation method thereof

Similar Documents

Publication Publication Date Title
CN101235592A (en) Terylene FDY nano spinning finish and its preparing process
CN100385061C (en) Nanometer polyester fiber FDY spinning oil prepn and its prepn process
CN103981712B (en) The anti-DTY finish and preparation method thereof that splashes of a kind of polyamide fibre
CN100378267C (en) Oil agent used for polyester industrial filament
CN104179005A (en) Fiber fully drawn yarn (FDY) spinning oil and preparation method thereof
CN109183281B (en) PE spun-bonded non-woven fabric and manufacturing method thereof
CN101629383A (en) Terylene FDY spinning oil and preparation process thereof
CN103526540A (en) Compound emulsifier of high-speed spinning polyester low-stretch yarn post-processing oiling agent and preparation method thereof
CN104328531B (en) Direct fabrics hydro-entangled non-woven fabric hydrophilic polyester staple fibre manufacture method
CN101307564B (en) Polyester staple fiber double-component assembled oil solution and preparation method
CN104179019A (en) Preparation method of carbon fiber precursor oil agent
CN101696547A (en) Polypropylene spinning oil agent and manufacturing method thereof
CN102767075A (en) Oiling agent for producing high-F terylene DTY and production method thereof
CN105803766A (en) Superfine filament spinning oil agent and preparation method
CN105088772A (en) Environmentally-friendly anti-yellowing polyester DTY oiling agent and preparation method thereof
CN103806268A (en) Polyester DTY (draw texturing yarn) oil agent and preparation method thereof
CN108624995A (en) A kind of preparation method of polyamide spinning finisher
CN102344608B (en) Composite material special for PP (Polypropylene) spun-bond non-woven fabric
CN107227612A (en) A kind of spinning oil of resistance to volatile-type
CN102691213B (en) Modified flame-retardant oil agent for fiber field and preparation method of modified flame-retardant oil agent
CN113969436A (en) Chinlon spinning oil and preparation method thereof
CN105155007B (en) A kind of three leaf abnormity FDY fibers and preparation method thereof
CN102071571A (en) Wool lubricant
CN101463564A (en) Terylene middle strength filament oil solution and production method thereof
CN105064029B (en) A kind of superbright light polyester DTY fiber and preparation method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Open date: 20080806