CN114957934A - Antibacterial antistatic polyester chip and preparation method thereof - Google Patents
Antibacterial antistatic polyester chip and preparation method thereof Download PDFInfo
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- CN114957934A CN114957934A CN202210735452.9A CN202210735452A CN114957934A CN 114957934 A CN114957934 A CN 114957934A CN 202210735452 A CN202210735452 A CN 202210735452A CN 114957934 A CN114957934 A CN 114957934A
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- 229920000728 polyester Polymers 0.000 title claims abstract description 59
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 50
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- SLJKGFLQONTCTF-UHFFFAOYSA-N 2,5-bis(chloromethyl)-1,3,4-oxadiazole Chemical compound ClCC1=NN=C(CCl)O1 SLJKGFLQONTCTF-UHFFFAOYSA-N 0.000 claims abstract description 36
- AFHXHUBTTHIEHJ-UHFFFAOYSA-N 2-[2-[2-hydroxyethyl(3-trimethoxysilylpropyl)amino]ethyl-(3-trimethoxysilylpropyl)amino]ethanol Chemical compound CO[Si](OC)(OC)CCCN(CCO)CCN(CCO)CCC[Si](OC)(OC)OC AFHXHUBTTHIEHJ-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000011347 resin Substances 0.000 claims abstract description 30
- 229920005989 resin Polymers 0.000 claims abstract description 30
- 229920000554 ionomer Polymers 0.000 claims abstract description 22
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 18
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 15
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 8
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 8
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000008117 stearic acid Substances 0.000 claims abstract description 8
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 51
- 239000003960 organic solvent Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 16
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 15
- 238000001125 extrusion Methods 0.000 claims description 15
- 238000009826 distribution Methods 0.000 claims description 14
- 238000002390 rotary evaporation Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 239000012043 crude product Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 4
- 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 compound 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 4
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000004595 color masterbatch Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000003242 anti bacterial agent Substances 0.000 description 3
- 239000002216 antistatic agent Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 238000004040 coloring Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000010409 ironing Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
- D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
-
- 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
- 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
- D01F1/103—Agents inhibiting growth of microorganisms
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Abstract
The invention discloses an antibacterial antistatic polyester chip which is characterized by comprising the following raw materials in parts by weight: 60-80 parts of PET resin, 10-20 parts of PBT resin, 10-15 parts of N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine/2, 5-bischloromethyl-1, 3, 4-oxadiazole ionomer, 10-20 parts of graphene oxide, 1-2 parts of antioxidant and 0.1-0.3 part of stearic acid. The invention also discloses a preparation method of the antibacterial and antistatic polyester chip. The antibacterial and antistatic polyester chip disclosed by the invention has the advantages of good antibacterial and antistatic performance, sufficient performance stability, good environmental protection performance and long service life.
Description
Technical Field
The invention relates to the technical field of polyester materials, in particular to an antibacterial and antistatic polyester chip and a preparation method thereof.
Background
Polyester chips are sheet-shaped particles of about 4 x 5 x 2 mm, which are processed from polyester raw materials obtained by polymerization production, are very important textile raw materials, generally, dibasic acid, dihydric alcohol and additives are mixed into slurry and then are prepared into finished polyester through a direct esterification method, and when the polyester chips are used as fiber materials, the polyester chips have the advantages of good crease resistance and shape retention, high strength, fastness, durability, crease resistance, no ironing and no wool sticking, and are widely applied to shirts, coats, children's clothing, interior decoration fabrics, carpets, medical industrial fabrics, flock, linings and the like.
The existing common polyester chips have no antibacterial and antistatic performance, and when the common polyester chips are applied to scenes frequently touched with human bodies, the common polyester chips are easy to breed some bacteria and become transmission paths of pathogens entering the human bodies to cause diseases. In addition, in a dry season, static electricity becomes a problem, and the static electricity generally causes polyester chip products to be prone to fluffing and pilling, easily infected with dust and dirt, close to the skin and accompanied with electric shock feeling and the like. Therefore, the polyester chip is endowed with an antibacterial and antistatic function.
At present, the antibacterial and antistatic polyester chip is realized by adding an antibacterial and antistatic agent into a common polyester chip, however, the antibacterial and antistatic agent and a polyester material often have compatibility problems, so that the performance stability is poor, the service life is short, and the existing antibacterial and antistatic agent also has the defects of poor environmental protection property and insufficient water washing resistance.
For example, chinese invention patent CN201910563595.4 discloses an antibacterial antistatic graphene polyester spinning color master batch and a preparation method thereof, wherein the preparation method comprises the following steps: preparing graphene dye color paste, mixing the graphene dye color paste and natural color polyester chips to form a coloring polyester mixture, smelting the coloring polyester mixture, co-extruding the mixture, and granulating to obtain the antibacterial antistatic graphene polyester spinning color master batch. Compared with the prior art, the color master batch for graphene polyester spinning is prepared by mixing the graphene dye color paste with the polyester chips and performing melt extrusion, the preparation process is stable, simple and controllable, the prepared color master batch has uniform electrical property, and the antibacterial and antistatic properties are durable and washable. However, due to the compatibility problem between the graphene and the polyester substrate, the product has insufficient antibacterial and antistatic stability and short service life.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an antibacterial and antistatic polyester chip with good antibacterial and antistatic performance, sufficient performance stability, good environmental protection performance and long service life and a preparation method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that: the antibacterial antistatic polyester chip is characterized by comprising the following raw materials in parts by weight: 60-80 parts of PET resin, 10-20 parts of PBT resin, 10-15 parts of N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine/2, 5-bischloromethyl-1, 3, 4-oxadiazole ionomer, 10-20 parts of graphene oxide, 1-2 parts of antioxidant and 0.1-0.3 part of stearic acid.
Preferably, the antioxidant is at least one of antioxidant 1010, antioxidant 1076, antioxidant 168 and antioxidant 164.
Preferably, the preparation method of the N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine/2, 5-bischloromethyl-1, 3, 4-oxadiazole ionomer comprises the following steps: adding N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine and 2, 5-bischloromethyl-1, 3, 4-oxadiazole into an organic solvent, stirring and reacting for 4-6 hours at 40-60 ℃, then performing rotary evaporation to remove the solvent, washing the crude product with diethyl ether for 3-6 times, and finally performing rotary evaporation to remove the diethyl ether to obtain the N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine/2, 5-bischloromethyl-1, 3, 4-oxadiazole ionomer.
Preferably, the molar ratio of the N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine to the 2, 5-bischloromethyl-1, 3, 4-oxadiazole to the organic solvent is 1:1 (6-10).
Preferably, the organic solvent is any one of ethyl acetate, diethyl ether and acetone.
Preferably, the PBT resin has a number average molecular weight of 66780g/mol and a molecular weight distribution of 1.68.
Preferably, the number average molecular weight of the PET resin is 31650g/mol, and the molecular weight distribution is 1.35.
The invention also provides a preparation method of the antibacterial antistatic polyester chip, which comprises the following steps: uniformly mixing the raw materials in parts by weight to obtain a mixed material, adding the mixed material into a double-screw extruder for extrusion, and then cooling, granulating and drying to obtain the antibacterial and antistatic polyester chip.
Preferably, the extrusion process parameters are as follows: temperature of each zone of the twin-screw extruder: a first area: 205 ℃ and 215 ℃; a second zone: 255 ℃ and 265 ℃; and (3) three zones: 270 ℃ and 275 ℃; and (4) four areas: 280 ℃ and 285 ℃; and a fifth zone: 275 ℃ and 280 ℃; a sixth zone: 275 ℃ and 280 ℃; seven areas: 275 ℃ and 280 ℃; and eight regions: 275 ℃ and 280 ℃; nine areas: 265 ℃ and 270 ℃; screw pressure: 0.3-0.6 Mpa; screw rotation speed: 180-350 rpm.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the antibacterial and antistatic polyester chip provided by the invention, through reasonable selection of raw material components, molecular structures and a preparation method, the prepared product has the advantages of good antibacterial and antistatic performance, sufficient performance stability, good environmental protection performance and long service life. Meanwhile, the preparation method of the antibacterial and antistatic polyester chip provided by the invention can be realized by adopting conventional equipment and processes, has a short preparation period and is suitable for continuous industrial production.
Detailed Description
The following detailed description of preferred embodiments of the invention will be made. The scope of the invention is not limited thereto:
example 1
The antibacterial antistatic polyester chip is characterized by comprising the following raw materials in parts by weight: 60 parts of PET resin, 10 parts of PBT resin, 10 parts of N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine/2, 5-bischloromethyl-1, 3, 4-oxadiazole ionomer, 10 parts of graphene oxide, 1 part of antioxidant and 0.1 part of stearic acid; the antioxidant is antioxidant 1010.
The preparation method of the N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine/2, 5-bischloromethyl-1, 3, 4-oxadiazole ionomer comprises the following steps: adding N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine and 2, 5-bischloromethyl-1, 3, 4-oxadiazole into an organic solvent, stirring at 40 ℃ for reaction for 4 hours, then performing rotary evaporation to remove the solvent, washing the crude product with diethyl ether for 3-6 times, and finally performing rotary evaporation to remove the diethyl ether to obtain N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine/2, 5-bischloromethyl-1, 3, 4-oxadiazole ionomer; the molar ratio of the N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine to the 2, 5-bischloromethyl-1, 3, 4-oxadiazole to the organic solvent is 1:1: 6; the organic solvent is ethyl acetate.
The number average molecular weight of the PBT resin is 66780g/mol, and the molecular weight distribution is 1.68; the number average molecular weight of the PET resin is 31650g/mol, and the molecular weight distribution is 1.35.
A preparation method of the antibacterial antistatic polyester chip comprises the following steps: uniformly mixing the raw materials in parts by weight to obtain a mixed material, adding the mixed material into a double-screw extruder for extrusion, and then cooling, granulating and drying to obtain the antibacterial and antistatic polyester chip; the extrusion process parameters are as follows: temperature of each zone of the twin-screw extruder: a first area: 205 deg.C; a second zone: 255 ℃; and (3) three zones: 270 ℃; and (4) four areas: 280 ℃; and a fifth zone: 275 ℃; a sixth zone: 275 ℃; seven areas: 275 ℃; and eight regions: 275 ℃; nine areas: 265 ℃ of water; screw pressure: 0.3 Mpa; screw rotation speed: 180 rpm.
Example 2
The antibacterial antistatic polyester chip is characterized by comprising the following raw materials in parts by weight: 65 parts of PET resin, 12 parts of PBT resin, 12 parts of N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine/2, 5-bischloromethyl-1, 3, 4-oxadiazole ionomer, 13 parts of graphene oxide, 1.2 parts of antioxidant and 0.15 part of stearic acid; the antioxidant is an antioxidant 1076.
The preparation method of the N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine/2, 5-bischloromethyl-1, 3, 4-oxadiazole ionomer comprises the following steps: adding N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine and 2, 5-bischloromethyl-1, 3, 4-oxadiazole into an organic solvent, stirring and reacting for 4.5 hours at 45 ℃, then performing rotary evaporation to remove the solvent, washing the crude product with diethyl ether for 4 times, and finally performing rotary evaporation to remove the diethyl ether to obtain N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine/2, 5-bischloromethyl-1, 3, 4-oxadiazole ionomer; the molar ratio of the N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine to the 2, 5-bischloromethyl-1, 3, 4-oxadiazole to the organic solvent is 1:1: 7; the organic solvent is diethyl ether.
The number average molecular weight of the PBT resin is 66780g/mol, and the molecular weight distribution is 1.68; the number average molecular weight of the PET resin is 31650g/mol, and the molecular weight distribution is 1.35.
A preparation method of the antibacterial antistatic polyester chip comprises the following steps: uniformly mixing the raw materials in parts by weight to obtain a mixed material, adding the mixed material into a double-screw extruder for extrusion, and then cooling, granulating and drying to obtain the antibacterial and antistatic polyester chip; the extrusion process parameters are as follows: temperature of each zone of the twin-screw extruder: a first area: 207 deg.C; and a second zone: 258 ℃; and (3) three zones: 272 ℃ C; and (4) four areas: 282 ℃; and a fifth zone: 277 degrees centigrade; a sixth zone: 277 degrees centigrade; a seventh region: 277 degrees centigrade; and eight regions: 277 degrees centigrade; nine areas: 267 ℃; screw pressure: 0.4 Mpa; screw rotation speed: 200 rpm.
Example 3
The antibacterial antistatic polyester chip is characterized by comprising the following raw materials in parts by weight: 70 parts of PET resin, 15 parts of PBT resin, 13 parts of N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine/2, 5-bischloromethyl-1, 3, 4-oxadiazole ionomer, 15 parts of graphene oxide, 1.5 parts of antioxidant and 0.2 part of stearic acid; the antioxidant is antioxidant 168.
The preparation method of the N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine/2, 5-bischloromethyl-1, 3, 4-oxadiazole ionomer comprises the following steps: adding N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine and 2, 5-bischloromethyl-1, 3, 4-oxadiazole into an organic solvent, stirring and reacting for 5 hours at 50 ℃, then performing rotary evaporation to remove the solvent, washing the crude product for 5 times by using diethyl ether, and finally performing rotary evaporation to remove the diethyl ether to obtain the N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine/2, 5-bischloromethyl-1, 3, 4-oxadiazole ionomer; the molar ratio of the N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine to the 2, 5-bischloromethyl-1, 3, 4-oxadiazole to the organic solvent is 1:1: 8; the organic solvent is acetone.
The number average molecular weight of the PBT resin is 66780g/mol, and the molecular weight distribution is 1.68; the number average molecular weight of the PET resin is 31650g/mol, and the molecular weight distribution is 1.35.
A preparation method of the antibacterial antistatic polyester chip comprises the following steps: uniformly mixing the raw materials in parts by weight to obtain a mixed material, adding the mixed material into a double-screw extruder for extrusion, and then cooling, granulating and drying to obtain the antibacterial and antistatic polyester chip; the extrusion process parameters are as follows: temperatures of zones of the twin-screw extruder: a first area: at 210 ℃; and a second zone: 260 ℃; and (3) three zones: 273 ℃; and (4) four areas: 283 ℃; and a fifth zone: 278 ℃; a sixth zone: 278 ℃; seven areas: 278 ℃; and eight regions: 278 ℃; nine areas: 268 ℃; screw pressure: 0.45 Mpa; screw rotation speed: 270 rpm.
Example 4
The antibacterial antistatic polyester chip is characterized by comprising the following raw materials in parts by weight: 75 parts of PET resin, 18 parts of PBT resin, 14 parts of N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine/2, 5-bischloromethyl-1, 3, 4-oxadiazole ionomer, 19 parts of graphene oxide, 1.8 parts of antioxidant and 0.25 part of stearic acid; the antioxidant is a mixture formed by mixing an antioxidant 1010, an antioxidant 1076, an antioxidant 168 and an antioxidant 164 according to a mass ratio of 1:3:1: 2.
The preparation method of the N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine/2, 5-bischloromethyl-1, 3, 4-oxadiazole ionomer comprises the following steps: adding N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine and 2, 5-bischloromethyl-1, 3, 4-oxadiazole into an organic solvent, stirring and reacting at 40-60 ℃ for 4-6 hours, then performing rotary evaporation to remove the solvent, washing the crude product with diethyl ether for 3-6 times, and finally performing rotary evaporation to remove the diethyl ether to obtain N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine/2, 5-bischloromethyl-1, 3, 4-oxadiazole ionomer; the molar ratio of the N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine to the 2, 5-bischloromethyl-1, 3, 4-oxadiazole to the organic solvent is 1:1: 9.5; the organic solvent is ethyl acetate.
The number average molecular weight of the PBT resin is 66780g/mol, and the molecular weight distribution is 1.68; the number average molecular weight of the PET resin is 31650g/mol, and the molecular weight distribution is 1.35.
A preparation method of the antibacterial antistatic polyester chip comprises the following steps: uniformly mixing the raw materials in parts by weight to obtain a mixed material, adding the mixed material into a double-screw extruder for extrusion, and then cooling, granulating and drying to obtain the antibacterial and antistatic polyester chip; the extrusion process parameters are as follows: temperature of each zone of the twin-screw extruder: a first area: 213 ℃; and a second zone: 263 deg.C; and (3) three zones: 273 ℃; and (4) four areas: 284 ℃; and a fifth zone: 278 ℃; a sixth zone: 279 deg.C; seven areas: 279 deg.C; and eight regions: 278 ℃; nine areas: 269 ℃; screw pressure: 0.55 Mpa; screw rotation speed: 330 rpm.
Example 5
The antibacterial antistatic polyester chip is characterized by comprising the following raw materials in parts by weight: 80 parts of PET resin, 20 parts of PBT resin, 15 parts of N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine/2, 5-bischloromethyl-1, 3, 4-oxadiazole ionomer, 20 parts of graphene oxide, 2 parts of antioxidant and 0.3 part of stearic acid; the antioxidant is 1010.
The preparation method of the N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine/2, 5-bischloromethyl-1, 3, 4-oxadiazole ionomer comprises the following steps: adding N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine and 2, 5-bischloromethyl-1, 3, 4-oxadiazole into an organic solvent, stirring and reacting at 60 ℃ for 6 hours, then performing rotary evaporation to remove the solvent, washing the crude product with diethyl ether for 6 times, and finally performing rotary evaporation to remove the diethyl ether to obtain the N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine/2, 5-bischloromethyl-1, 3, 4-oxadiazole ionomer; the molar ratio of the N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine to the 2, 5-bischloromethyl-1, 3, 4-oxadiazole to the organic solvent is 1:1: 10; the organic solvent is ethyl acetate.
The number average molecular weight of the PBT resin is 66780g/mol, and the molecular weight distribution is 1.68; the number average molecular weight of the PET resin is 31650g/mol, and the molecular weight distribution is 1.35.
A preparation method of the antibacterial and antistatic polyester chip comprises the following steps: uniformly mixing the raw materials in parts by weight to obtain a mixed material, adding the mixed material into a double-screw extruder for extrusion, and then cooling, granulating and drying to obtain the antibacterial and antistatic polyester chip.
The extrusion process parameters are as follows: temperature of each zone of the twin-screw extruder: a first area: 215 ℃ of water; a second zone: 265 ℃ of water; and (3) three zones: 275 ℃; and (4) four areas: 285 ℃; and a fifth zone: 280 ℃; a sixth zone: 280 ℃; seven areas: 280 ℃; and eight regions: 280 ℃; nine areas: 270 ℃; screw pressure: 0.6 Mpa; screw rotation speed: 350 rpm.
The above-mentioned embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (9)
1. The antibacterial antistatic polyester chip is characterized by comprising the following raw materials in parts by weight: 60-80 parts of PET resin, 10-20 parts of PBT resin, 10-15 parts of N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine/2, 5-bischloromethyl-1, 3, 4-oxadiazole ionomer, 10-20 parts of graphene oxide, 1-2 parts of antioxidant and 0.1-0.3 part of stearic acid.
2. The antibacterial antistatic polyester chip according to claim 1, wherein the antioxidant is at least one of antioxidant 1010, antioxidant 1076, antioxidant 168 and antioxidant 164.
3. The antibacterial antistatic polyester chip of claim 1, wherein the preparation method of N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine/2, 5-bischloromethyl-1, 3, 4-oxadiazole ionomer comprises the following steps: adding N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine and 2, 5-bischloromethyl-1, 3, 4-oxadiazole into an organic solvent, stirring and reacting for 4-6 hours at 40-60 ℃, then performing rotary evaporation to remove the solvent, washing the crude product with diethyl ether for 3-6 times, and finally performing rotary evaporation to remove the diethyl ether to obtain the N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine/2, 5-bischloromethyl-1, 3, 4-oxadiazole ionomer.
4. The antibacterial and antistatic polyester chip as claimed in claim 3, wherein the molar ratio of N, N '-bis (2-hydroxyethyl) -N, N' -bis (trimethoxysilylpropyl) ethylenediamine, 2, 5-bischloromethyl-1, 3, 4-oxadiazole and organic solvent is 1:1 (6-10).
5. The antibacterial antistatic polyester chip of claim 3, wherein the organic solvent is any one of ethyl acetate, diethyl ether and acetone.
6. The antibacterial and antistatic polyester chip as claimed in claim 1, wherein the number average molecular weight of the PBT resin is 66780g/mol, and the molecular weight distribution is 1.68.
7. The antibacterial antistatic polyester chip according to claim 1, wherein the PET resin has a number average molecular weight of 31650g/mol and a molecular weight distribution of 1.35.
8. An antibacterial and antistatic polyester chip as claimed in any one of claims 1 to 7, comprising: uniformly mixing the raw materials in parts by weight to obtain a mixed material, adding the mixed material into a double-screw extruder for extrusion, and then cooling, granulating and drying to obtain the antibacterial and antistatic polyester chip.
9. The method for preparing the antibacterial antistatic polyester chip according to claim 8, wherein the extrusion process parameters are as follows: temperature of each zone of the twin-screw extruder: a first area: 205 ℃ and 215 ℃; and a second zone: 255 ℃ and 265 ℃; and (3) three zones: 270 ℃ and 275 ℃; and (4) four areas: 280 ℃ and 285 ℃; and a fifth zone: 275 ℃ and 280 ℃; a sixth zone: 275 ℃ and 280 ℃; a seventh region: 275 ℃ and 280 ℃; and eight regions: 275 ℃ and 280 ℃; nine areas: 265 ℃ and 270 ℃; screw pressure: 0.3-0.6 Mpa; screw rotation speed: 180-350 rpm.
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