CN110527262A - Photochromic polyester fiber master batch and preparation method thereof - Google Patents
Photochromic polyester fiber master batch and preparation method thereof Download PDFInfo
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- CN110527262A CN110527262A CN201910869045.5A CN201910869045A CN110527262A CN 110527262 A CN110527262 A CN 110527262A CN 201910869045 A CN201910869045 A CN 201910869045A CN 110527262 A CN110527262 A CN 110527262A
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- photochromic
- polyester fiber
- master batch
- pbt
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
-
- 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
- D01F1/06—Dyes
-
- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention provides a kind of photochromic polyester fiber master batch, it is composed of the following components by weight: 0-90 parts of PET, 0-90 parts of PBT, 1-30 parts of photochromic powders, 0-20 parts of dyestuffs, 0.5-2.5 parts of mixtures, 0.5-1.5 parts of dispersing aiies, wherein the mixture includes heat stabilizer and antioxidant, the inherent viscosity of the PET is 0.66-0.82dL/g, and the fusing point of PET is 180-253 DEG C；The inherent viscosity of PBT is 0.82-1.0dL/g, and the fusing point of PBT is 180-230 DEG C.The present invention also provides the preparation methods of above-mentioned photochromic polyester fiber master batch.Master batch of the invention is suitable for the production of polyester fiber, and has photochromic characteristic, can solve the problems, such as existing to be made that photochromic fabric bring persistence is poor, comfort is poor, poor air permeability and environmental pollution of coating way.
Description
Technical field
The present invention relates to a kind of photochromic polyester fiber master batches and preparation method thereof.
Background technique
Currently, photochromic material can be used as the ornaments such as nail varuish, carved lacquerware craftwork, T-shirt, wall paper.In order to suitable
Different needs are answered, photochromic compound can be added in the auxiliary agents such as adhesive, the diluent of general ink or coating
It is mixed and made into screen printing ink or coating；Photochromic material can be also made to packaging film, the dimming glass window of building, vapour
Vehicle and the windscreen of aircraft etc. protect solar radiation, guarantee safety.
The photochromic fabric having in the market is obtained using the method for coating, and fabric poor air permeability, and hand are caused
It is poor to feel, while bringing certain environmental pollution.In addition, being easy to fall off in washing process floating coat, color changeable effect cannot be lasting.Cause
This, is badly in need of a kind of photochromic polyester fiber master batch to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of photochromic polyester fiber master batch and preparation method thereof, which is applicable in
In the production of polyester fiber, and there is photochromic characteristic, existing use coating way can be solved, photochromic fabric band is made
The persistence come is poor, comfort is poor, poor air permeability and the problem of environmental pollution.
To achieve the above object, the present invention provides a kind of photochromic polyester fiber master batches, by weight by with
The following group is grouped as:
0-90 parts of PET,
0-90 parts of PBT,
1-30 parts of photochromic powders,
0-20 parts of dyestuffs,
0.5-2.5 parts of mixtures,
0.5-1.5 parts of dispersing aiies,
Wherein, the mixture includes heat stabilizer and antioxidant, and the inherent viscosity of the PET is 0.66-0.82dL/g, and
The fusing point of PET is 180-253 DEG C；The inherent viscosity of PBT is 0.82-1.0dL/g, and the fusing point of PBT is 180-230 DEG C.
Preferably, the inherent viscosity of the PET is 0.82dl/g, and the fusing point of PET is 190-230 DEG C.
Preferably, the inherent viscosity of the PBT is 1dl/g, and the fusing point of PBT is 190-230 DEG C.
Preferably, the dispersing aid is ethylene bis stearic acid amide, titanate coupling agent, silane coupling agent, silicone
One or more of auxiliary agent.
Preferably, the heat stabilizer is that alkali type thermal stabilizing agent, fatty acid soap heat stabilizer, organic compound heat are steady
Determine one of agent, composite type heat stabilizer, Themstab series heat stabilizer.
Preferably, the antioxidant is one or more of aromatic amine antioxidant, Hinered phenols antioxidant.
Preferably, the dyestuff is one of anthraquinone dye, heterocyclic solvent dye, methylene base class solvent dye or several
Kind.
Preferably, the photochromic powder is spiro-pyrans class, diarylethene, the liquor-saturated class of fulgenic acid, discoloration microcapsules
One or more of.
The present invention also provides the preparation methods of above-mentioned photochromic polyester fiber master batch, include the following steps:
1) the following raw material is taken by weight:
0-90 parts of PET,
0-90 parts of PBT,
1-30 parts of photochromic powders,
0-20 parts of dyestuffs,
0.5-2.5 parts of mixtures,
0.5-1.5 parts of dispersing aiies,
Wherein, the mixture includes heat stabilizer and antioxidant；
2) by above-mentioned raw materials PET and PBT be dried, drying temperature is 95-105 DEG C, and vacuum degree≤- 0.08MPa is dry
Time is 6-12 hours, puts into batch mixer together with the other components in raw material later, mixing is sufficiently stirred；Double spiral shells are put into again
Extruding pelletization in bar extruder；The material of mixing, which is sheared after being sufficiently plasticized in twin-screw through the dispersive element in twin-screw, to be dispersed
Uniformly, it is drawn to pelleter through circular hole die extrusion, sink cooling, tie rod and is cut into long 3mm ± 1mm, diameter 2.5mm ± 1.5mm
Cylindrical type particle；The double screw extruder is furnished with vacuum evacuation device, and the draw ratio of the double screw extruder is not less than 40:
1；Technological temperature when extrusion is 165-240 DEG C.
Preferably, in step 2, before mixing first by heat stabilizer, antioxidant, dispersing aid and photochromic powder into
Row premix, and suitably heat, layer protecting film is formed on photochromic powder.
Advantages and advantages of the present invention are to provide a kind of photochromic polyester fiber master batch and its preparation side
Method, which is suitable for the production of polyester fiber, and has photochromic characteristic, can solve existing use coating way and light is made
Cause that color-changing face fabric bring persistence is poor, comfort is poor, poor air permeability and the problem of environmental pollution.
Specific embodiment
With reference to embodiment, the specific embodiment of the present invention is further described.Following embodiment is only used for more
Add and clearly demonstrate technical solution of the present invention, and not intended to limit the protection scope of the present invention.
The technical solution that the present invention embodies is:
It is composed of the following components by weight the present invention provides a kind of photochromic polyester fiber master batch:
30 parts of PET,
40 parts of PBT,
25 parts of photochromic powders,
3 parts of dyestuffs,
1.5 parts of mixtures,
0.5 part of dispersing aid,
Wherein, the mixture is made of 1 part of heat stabilizer and 0.5 part of antioxidant, and the inherent viscosity of the PET is 0.82dL/
G, and the fusing point of PET is 180-223 DEG C；The inherent viscosity of the PBT is 1.0dL/g, and the fusing point of PBT is 180-210 DEG C；
The partial size of the photochromic powder is 0.5-5.0um；The dispersing aid is ethylene bis stearic acid amide, titanate esters coupling
One or more of agent, silane coupling agent, silicone analog assistant, the heat stabilizer are alkali type thermal stabilizing agent, fatty acid soaps
One of type thermal stabilizing agent, organic compound heat stabilizer, composite type heat stabilizer, Themstab series heat stabilizer,
The antioxidant is one or more of aromatic amine antioxidant, Hinered phenols antioxidant, and the dyestuff is anthraquinone dye, miscellaneous
One or more of ring class solvent dye, methylene base class solvent dye, the photochromic powder are spiro-pyrans class, diaryl
One or more of the liquor-saturated class of vinyl, fulgenic acid, discoloration microcapsules.
The present invention also provides the preparation methods of above-mentioned photochromic polyester fiber master batch, include the following steps:
1) the following raw material is taken by weight:
30 parts of PET,
40 parts of PBT,
25 parts of photochromic powders,
3 parts of anthraquinone dyes,
1.5 parts of mixtures,
0.5 part of silane coupling agent,
Wherein, the mixture is made of 1 part of heat stabilizer and 0.5 part of antioxidant；
2) by above-mentioned raw materials PET and PBT be dried, drying temperature is 95-105 DEG C, and vacuum degree≤- 0.08MPa is dry
Time is 6-12 hours, then heat stabilizer, antioxidant, silane coupling agent and photochromic powder are premixed, and is suitably added
Temperature forms layer protecting film on photochromic powder, puts into together with PET and PBT after anthraquinone dye and drying later
In batch mixer, mixing is sufficiently stirred；Extruding pelletization in double screw extruder is put into again；The material of mixing is sufficiently moulded in twin-screw
It is uniformly dispersed after change through the dispersive element shearing in twin-screw, is drawn to pelleter through circular hole die extrusion, sink cooling, tie rod
It is cut into long 3mm ± 1mm, the cylindrical type particle of diameter 2.5mm ± 1.5mm；The double screw extruder is furnished with vacuum evacuation device, institute
The draw ratio of double screw extruder is stated not less than 40:1；Technological temperature when extrusion is 165-240 DEG C.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of photochromic polyester fiber master batch, which is characterized in that composed of the following components by weight:
0-90 parts of PET,
0-90 parts of PBT,
1-30 parts of photochromic powders,
0-20 parts of dyestuffs,
0.5-2.5 parts of mixtures,
0.5-1.5 parts of dispersing aiies,
Wherein, the mixture includes heat stabilizer and antioxidant, and the inherent viscosity of the PET is 0.66-0.82dL/g, and
The fusing point of PET is 180-253 DEG C；The inherent viscosity of PBT is 0.82-1.0dL/g, and the fusing point of PBT is 180-230 DEG C.
2. photochromic polyester fiber master batch according to claim 1, which is characterized in that the inherent viscosity of the PET
For 0.82dl/g, and the fusing point of PET is 190-230 DEG C.
3. photochromic polyester fiber master batch according to claim 2, which is characterized in that the inherent viscosity of the PBT
For 1dl/g, and the fusing point of PBT is 190-230 DEG C.
4. photochromic polyester fiber master batch according to claim 3, which is characterized in that the dispersing aid is ethylene
One or more of double stearic amides, titanate coupling agent, silane coupling agent, silicone analog assistant.
5. photochromic polyester fiber master batch according to claim 4, which is characterized in that the heat stabilizer is alkali
Type thermal stabilizing agent, fatty acid soap heat stabilizer, organic compound heat stabilizer, composite type heat stabilizer, Themstab system
One of column heat stabilizer.
6. photochromic polyester fiber master batch according to claim 5, which is characterized in that the antioxidant is aromatic amine
One or more of kind antioxidant, Hinered phenols antioxidant.
7. photochromic polyester fiber master batch according to claim 6, which is characterized in that the dyestuff is anthraquinone dye
One or more of material, heterocyclic solvent dye, methylene base class solvent dye.
8. photochromic polyester fiber master batch according to claim 7, which is characterized in that the photochromic powder is
One or more of the liquor-saturated class of spiro-pyrans class, diarylethene, fulgenic acid, discoloration microcapsules.
9. the preparation method of photochromic polyester fiber master batch described in any one of claims 1 to 8, which is characterized in that packet
Include following steps:
1) the following raw material is taken by weight:
0-90 parts of PET,
0-90 parts of PBT,
1-30 parts of photochromic powders,
0-20 parts of dyestuffs,
0.5-2.5 parts of mixtures,
0.5-1.5 parts of dispersing aiies,
Wherein, the mixture includes heat stabilizer and antioxidant；
2) by above-mentioned raw materials PET and PBT be dried, drying temperature is 95-105 DEG C, and vacuum degree≤- 0.08MPa is dry
Time is 6-12 hours, puts into batch mixer together with the other components in raw material later, mixing is sufficiently stirred；Double spiral shells are put into again
Extruding pelletization in bar extruder；The material of mixing, which is sheared after being sufficiently plasticized in twin-screw through the dispersive element in twin-screw, to be dispersed
Uniformly, it is drawn to pelleter through circular hole die extrusion, sink cooling, tie rod and is cut into long 3mm ± 1mm, diameter 2.5mm ± 1.5mm
Cylindrical type particle；The double screw extruder is furnished with vacuum evacuation device, and the draw ratio of the double screw extruder is not less than 40:
1；Technological temperature when extrusion is 165-240 DEG C.
10. the preparation method of photochromic polyester fiber master batch according to claim 9, which is characterized in that in step
2) in, first heat stabilizer, antioxidant, dispersing aid and photochromic powder are premixed before mixing, and suitably heats, in light
Layer protecting film is formed on mutagens toner body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910869045.5A CN110527262A (en) | 2019-09-16 | 2019-09-16 | Photochromic polyester fiber master batch and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910869045.5A CN110527262A (en) | 2019-09-16 | 2019-09-16 | Photochromic polyester fiber master batch and preparation method thereof |
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| Publication Number | Publication Date |
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| CN110527262A true CN110527262A (en) | 2019-12-03 |
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| CN201910869045.5A Pending CN110527262A (en) | 2019-09-16 | 2019-09-16 | Photochromic polyester fiber master batch and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110591303A (en) * | 2019-09-20 | 2019-12-20 | 苏州宝丽迪材料科技股份有限公司 | Photochromic color master batch for skin-core structure fiber core layer and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103436178A (en) * | 2013-09-04 | 2013-12-11 | 广西大学 | Long-term storage method of rosin pentaerythritol ester |
| CN104817827A (en) * | 2015-04-17 | 2015-08-05 | 苏州宝力塑胶材料有限公司 | Terylene colorful fiber master batch with ultraviolet protection function and preparation method thereof |
| CN106189123A (en) * | 2016-08-29 | 2016-12-07 | 佛山市高明区尚润盈科技有限公司 | A kind of preparation method of photochromic PET/PTT alloy |
| CN106519415A (en) * | 2016-11-16 | 2017-03-22 | 广东顺德鲁华光电新材料实业有限公司 | Flame-retardant plastic with photochromic and antistatic functions and preparation method thereof |
| CN106700439A (en) * | 2016-12-13 | 2017-05-24 | 苏州宝力塑胶材料有限公司 | Flat polyester fiber master batch applicable to spun dyeing process and preparation method of master batch |
| CN106947204A (en) * | 2017-04-11 | 2017-07-14 | 华南协同创新研究院 | 3D printing reversible sensitization discoloration PHA composites and its preparation method and purposes |
| CN110128798A (en) * | 2019-05-23 | 2019-08-16 | 浙江金彩新材料有限公司 | A kind of terylene light becomes master batch and preparation method thereof |
-
2019
- 2019-09-16 CN CN201910869045.5A patent/CN110527262A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103436178A (en) * | 2013-09-04 | 2013-12-11 | 广西大学 | Long-term storage method of rosin pentaerythritol ester |
| CN104817827A (en) * | 2015-04-17 | 2015-08-05 | 苏州宝力塑胶材料有限公司 | Terylene colorful fiber master batch with ultraviolet protection function and preparation method thereof |
| CN106189123A (en) * | 2016-08-29 | 2016-12-07 | 佛山市高明区尚润盈科技有限公司 | A kind of preparation method of photochromic PET/PTT alloy |
| CN106519415A (en) * | 2016-11-16 | 2017-03-22 | 广东顺德鲁华光电新材料实业有限公司 | Flame-retardant plastic with photochromic and antistatic functions and preparation method thereof |
| CN106700439A (en) * | 2016-12-13 | 2017-05-24 | 苏州宝力塑胶材料有限公司 | Flat polyester fiber master batch applicable to spun dyeing process and preparation method of master batch |
| CN106947204A (en) * | 2017-04-11 | 2017-07-14 | 华南协同创新研究院 | 3D printing reversible sensitization discoloration PHA composites and its preparation method and purposes |
| CN110128798A (en) * | 2019-05-23 | 2019-08-16 | 浙江金彩新材料有限公司 | A kind of terylene light becomes master batch and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110591303A (en) * | 2019-09-20 | 2019-12-20 | 苏州宝丽迪材料科技股份有限公司 | Photochromic color master batch for skin-core structure fiber core layer and preparation method thereof |
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