CN116656093A - Organic/inorganic composite ultraviolet-resistant extinction polyester master batch, preparation method and application thereof - Google Patents

Organic/inorganic composite ultraviolet-resistant extinction polyester master batch, preparation method and application thereof Download PDF

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CN116656093A
CN116656093A CN202310367217.5A CN202310367217A CN116656093A CN 116656093 A CN116656093 A CN 116656093A CN 202310367217 A CN202310367217 A CN 202310367217A CN 116656093 A CN116656093 A CN 116656093A
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ultraviolet
organic
inorganic composite
resistant
master batch
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袁文华
陈明
周施恩
杨位辉
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Zhejiang Hengyi Petrochemical Research Institute Co Ltd
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Zhejiang Hengyi Petrochemical Research Institute Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/20Compounding polymers with additives, e.g. colouring
    • C08J3/22Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • C08J3/226Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2467/00Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2467/02Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2237Oxides; Hydroxides of metals of titanium
    • C08K2003/2241Titanium dioxide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/002Physical properties
    • C08K2201/005Additives being defined by their particle size in general
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/13Phenols; Phenolates
    • C08K5/132Phenols containing keto groups, e.g. benzophenones
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/16Nitrogen-containing compounds
    • C08K5/34Heterocyclic compounds having nitrogen in the ring
    • C08K5/3467Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
    • C08K5/3472Five-membered rings
    • C08K5/3475Five-membered rings condensed with carbocyclic rings
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00Use of pretreated ingredients
    • C08K9/04Ingredients treated with organic substances
    • C08K9/06Ingredients treated with organic substances with silicon-containing compounds
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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    • Y02E10/50Photovoltaic [PV] energy

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  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
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  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

The application relates to the technical field of high polymer materials, and discloses an organic/inorganic composite ultraviolet-resistant extinction polyester master batch, a preparation method and application thereof, wherein the master batch comprises the following components in parts by mass: 30-70 parts of polyester matrix, 30-65 parts of organic/inorganic composite anti-ultraviolet nano powder, 0.01-1.0 part of light stabilizer, 0.05-2.0 parts of antioxidant and 0.2-2.0 parts of dispersing agent; the organic/inorganic composite anti-ultraviolet nanometer material is an anti-ultraviolet material formed by compositing an inorganic anti-ultraviolet material and an organic ultraviolet absorbent through a coupling agent and an initiator, and the material is prepared from raw materials in a specific proportion, has multiple anti-ultraviolet effects, and can efficiently absorb ultraviolet rays; the preparation method has the advantages of simple process and low cost, and the organic/inorganic composite ultraviolet-resistant nano material has good dispersibility when being added into the polyester matrix, and the prepared organic/inorganic composite ultraviolet-resistant extinction polyester master batch has good mechanical property and high ultraviolet resistance when being applied to the fiber obtained in spinning.

Description

Organic/inorganic composite ultraviolet-resistant extinction polyester master batch, preparation method and application thereof
Technical Field
The application relates to the technical field of high polymer materials, in particular to an organic/inorganic composite ultraviolet-resistant extinction polyester master batch, a preparation method and application thereof.
Background
In order to solve the above problems, many anti-ultraviolet materials have been developed in the prior art, which mainly include inorganic anti-ultraviolet materials and organic ultraviolet absorbers, wherein the inorganic anti-ultraviolet materials can reflect and refract ultraviolet rays, so as to weaken and even isolate the damage of ultraviolet rays to the materials, and chemical groups in the organic ultraviolet absorbers can absorb ultraviolet rays, so that the effect that the materials are not damaged by ultraviolet rays is achieved.
The synthetic fiber is made of organic polyester, and after the organic polyester fiber is irradiated by ultraviolet rays, chemical bonds among fiber molecules can be broken, so that the problems of ageing, breakage and the like of the fiber are caused. In the prior art, organic polyester is modified by an anti-ultraviolet material, so that the finally prepared synthetic fiber has anti-ultraviolet performance. The application discloses a nano titanium nitride ultraviolet-resistant polyester fiber, which is prepared by carrying out slice blending on inorganic nano titanium nitride ultraviolet-resistant master batch and polyester, so that the polyester fiber has ultraviolet-resistant performance. And as disclosed in publication No. CN102031580A, the method is to blend inorganic anti-ultraviolet master batch and organic anti-ultraviolet additive into polyester chips, so that the anti-ultraviolet performance of the polyester fiber is improved.
The inorganic anti-ultraviolet material and the organic anti-ultraviolet material adopted in the prior art are used independently, and the anti-ultraviolet mode is single; the damage of ultraviolet rays to the polyester material cannot be shielded efficiently. In addition, in actual production, when two materials are added independently, the two materials are difficult to disperse, and the problems of complex process and high cost exist.
Disclosure of Invention
In order to overcome the problems in the prior art, the application provides an organic/inorganic composite ultraviolet-resistant extinction polyester master batch, a preparation method and application thereof, wherein the master batch comprises organic/inorganic composite ultraviolet-resistant nano powder, the organic/inorganic composite ultraviolet-resistant nano powder is an ultraviolet-resistant material formed by compounding an inorganic ultraviolet-resistant material and an organic ultraviolet absorbent through a coupling agent and an initiator, and the material is prepared from raw materials in a specific proportion and has multiple ultraviolet-resistant effects; in addition, the material is added into polyester to have little influence on the mechanical properties of polyester fibers, and has simple process and low cost.
The specific technical scheme of the application is as follows:
the organic/inorganic composite ultraviolet-resistant extinction polyester master batch comprises the following components in parts by mass:
30-70 parts of polyester matrix;
30-65 parts of organic/inorganic composite ultraviolet-resistant nano material;
0.01 to 1.0 part of light stabilizer;
0.05 to 2.0 portions of antioxidant;
0.2 to 2.0 portions of dispersing agent.
The organic/inorganic composite uvioresistant nanomaterial comprises the following preparation steps:
the weight ratio is 90-98: 0.2 to 3.0:2.0 to 5.0:0.1 to 2.0 percent, inorganic anti-ultraviolet material, coupling agent, ultraviolet absorber and initiator are reacted to prepare the organic/inorganic composite anti-ultraviolet nano material.
Preferably, the inorganic anti-ultraviolet material is titanium dioxide, and the particle size of the titanium dioxide is 100-500 nm.
Preferably, the coupling agent is selected from one or more of vinyltrimethoxysilane (A-171), vinyltris (beta-methoxyethoxy) (A-172), gamma- (methacryloyloxy) propyltrimethoxysilane (A-174) and vinyltriethoxysilane (A-151).
Preferably, the ultraviolet absorber is selected from one or more of 2- (2 '-hydroxy-5' -methacryloyloxyethyl phenyl) -2H-benzotriazole, 2-hydroxy 4- (3-methacrylate-2-hydroxypropoxy) benzophenone and 2-hydroxy-4-methacrylate-based benzophenone.
Preferably, the initiator is selected from Azobisisobutyronitrile (AIBN) and/or Benzoyl Peroxide (BPO).
The application provides an organic/inorganic composite ultraviolet-resistant extinction polyester master batch, which comprises an organic/inorganic composite ultraviolet-resistant nano material, wherein the material is a special structural material prepared from an inorganic ultraviolet-resistant material, a coupling agent, an ultraviolet absorber and an initiator in a specific proportion; one end of the coupling agent contains double bonds, the other end of the coupling agent contains silane groups, the double bonds of the coupling agent can react with the ultraviolet absorbent with double bonds under the action of an initiator, and the silane groups of the coupling agent can carry out crosslinking reaction with hydroxyl groups on the surface of the inorganic ultraviolet-resistant material, so that the ultraviolet absorbent is modified on the surface of the inorganic ultraviolet-resistant absorbent and a special structure with the inorganic ultraviolet absorbent as a core and the ultraviolet-resistant absorbent as a shell is formed. In the using process of the organic/inorganic composite ultraviolet-resistant extinction polyester master batch, ultraviolet firstly needs to pass through a cross-linked net shell formed by an ultraviolet-resistant absorbent, one part of ultraviolet is absorbed by the ultraviolet absorbent, the other part of ultraviolet is irradiated onto an inorganic ultraviolet absorbent core through a gap of a net, the inorganic ultraviolet-resistant material core reflects the ultraviolet back into the ultraviolet-resistant absorbent cross-linked net shell through reflection and is absorbed by the ultraviolet absorbent, the ultraviolet can be efficiently absorbed through multiple ultraviolet-resistant actions, the ultraviolet is prevented from overflowing, and the damage of the ultraviolet to the polyester master batch can be extremely efficiently shielded.
Further, the reaction steps are as follows: the inorganic anti-ultraviolet material is placed in an organic solvent to be heated, stirred and dispersed in an ultrasonic way to prepare a mixture, the heating temperature is 40-80 ℃, then the coupling agent, the ultraviolet absorbent and the initiator are injected into the mixture to react for 2-6 hours, after the reaction is finished, the precipitate is removed by centrifugation, and then the precipitate is cleaned, dried and ground to prepare the organic/inorganic composite anti-ultraviolet nano material.
The preparation method of the organic/inorganic composite ultraviolet-resistant extinction polyester master batch comprises the following preparation steps:
and mixing the polyester matrix, the organic/inorganic composite ultraviolet-resistant nano material, the light stabilizer, the antioxidant and the dispersing agent, and extruding the mixture to prepare the organic/inorganic composite ultraviolet-resistant extinction polyester master batch.
Preferably, the polyester matrix is selected from one or more of polyethylene terephthalate (PET), polytrimethylene terephthalate (PTT) and polybutylene terephthalate (PBT);
preferably, the light stabilizer is 2, 2-thiobis (4-tert-octylphenol) n-butylamine nickel salt (UV-1084);
preferably, the antioxidant is selected from pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate (antioxidant 1010) and/or tris (2, 4-di-tert-butylphenyl) phosphite (antioxidant 168);
preferably, the dispersing agent is one or more selected from white oil, calcium stearate, low-density homo-wax, ethylene acrylic acid copolymer and maleic anhydride graft.
Further, the mixing conditions include: the mixing rotating speed is 1000-3000 r/min, and the mixing time is 20-40 min; the mixing conditions include: the mixing extrusion temperature is 210-250 ℃, and the mixing extrusion rotating speed is 300-600 r/min.
The application also provides a preparation method of the organic/inorganic composite ultraviolet-resistant extinction polyester master batch, which has simple preparation process and low cost. And the organic/inorganic composite ultraviolet-resistant nano material has good dispersibility when being added into a polyester matrix, and the prepared organic/inorganic composite ultraviolet-resistant extinction polyester master batch has good mechanical property and high ultraviolet resistance.
An organic/inorganic composite anti-ultraviolet extinction polyester master batch or an application of the preparation method of the organic/inorganic composite anti-ultraviolet extinction polyester master batch.
Compared with the prior art, the application has the following technical effects:
(1) The organic/inorganic composite ultraviolet resistant nanometer material is an ultraviolet resistant material formed by compositing an inorganic ultraviolet resistant material and an organic ultraviolet absorbent through a coupling agent and an initiator, is prepared from raw materials in a specific proportion, has multiple ultraviolet resistant effects, and can efficiently absorb ultraviolet rays;
(2) The preparation method provided by the application has the advantages of simple process and low cost, and the organic/inorganic composite ultraviolet-resistant nano material added into the polyester matrix has good dispersibility, and the prepared organic/inorganic composite ultraviolet-resistant extinction polyester master batch has good mechanical property and high ultraviolet resistance.
Detailed Description
The application is further described below with reference to examples.
Example 1:
the organic/inorganic composite ultraviolet-resistant extinction polyester master batch comprises the following components in parts by mass:
60 parts of polyester matrix, wherein the polyester matrix is PET (polyethylene terephthalate) slices;
35 parts of organic/inorganic composite anti-ultraviolet nano powder;
0.2 part of light stabilizer, wherein the light stabilizer is UV-1084;
0.3 part of antioxidant, wherein the antioxidant is antioxidant 1010;
2.0 parts of dispersing agent which is white oil;
the organic/inorganic composite uvioresistant nanomaterial comprises the following preparation steps:
dispersing inorganic anti-ultraviolet material in organic solvent, ultrasonic dispersing for 30min, heating and stirring at 60 ℃, and then adding coupling agent, organic ultraviolet absorbent and initiator respectively; after reacting for 4 hours, centrifugally taking out the precipitate, washing the precipitate with water and alcohol, drying the precipitate for 24 hours at 80 ℃ in a vacuum oven, and finally grinding to obtain the organic/inorganic composite ultraviolet-resistant nano material;
the mass ratio of the inorganic anti-ultraviolet material to the coupling agent to the organic ultraviolet absorbent to the initiator is 97:0.2:2.0:0.8;
the inorganic anti-ultraviolet material is titanium dioxide powder, and the particle size of the titanium dioxide powder is 200nm;
the organic solvent is ethanol;
the coupling agent is A-172;
the organic ultraviolet absorbent is 2- (2 '-hydroxy-5' -methacryloyloxyethyl phenyl) -2H-benzotriazole;
the initiator is AIBN;
the preparation method of the organic/inorganic composite ultraviolet-resistant extinction polyester master batch comprises the following preparation steps:
according to the formula proportion of the organic/inorganic composite ultraviolet-resistant extinction polyester master batch, adding the dried polyester matrix, the organic/inorganic composite ultraviolet-resistant nano powder, the light stabilizer, the antioxidant and the dispersing agent into a high-speed mixer for mixing, and conveying the obtained mixed powder into a double screw by a feeding system for dispersing, mixing, extruding and granulating to obtain the organic/inorganic composite ultraviolet-resistant extinction polyester master batch; the rotating speed of the high-speed mixer is 2000r/min, and the mixing time is 30min; the temperature of the twin-screw extruder was 220℃and the rotational speed was 500r/min.
Example 2:
the organic/inorganic composite ultraviolet-resistant extinction polyester master batch comprises the following components in parts by mass:
65 parts of polyester matrix, wherein the polyester matrix is a PET (polyethylene terephthalate) slice and a PBT slice, and the mass ratio of the PET slice to the PBT slice is 8:2; 30 parts of organic/inorganic composite anti-ultraviolet nano powder;
0.5 part of light stabilizer, wherein the light stabilizer is UV-1084;
0.5 part of antioxidant, wherein the antioxidant is antioxidant 1010 and antioxidant 168, and the mass ratio of the antioxidant 1010 to the antioxidant 168 is 1:1;
1.0 part of dispersing agent, wherein the dispersing agent is ethylene acrylic acid copolymer;
the organic/inorganic composite uvioresistant nanomaterial comprises the following preparation steps:
dispersing inorganic anti-ultraviolet material in organic solvent, ultrasonic dispersing for 30min, heating and stirring at 60 ℃, and then adding coupling agent, organic ultraviolet absorbent and initiator respectively; after reacting for 4 hours, centrifugally taking out the precipitate, washing the precipitate with water and alcohol, drying the precipitate for 24 hours at 80 ℃ in a vacuum oven, and finally grinding to obtain the organic/inorganic composite ultraviolet-resistant nano material;
the mass ratio of the inorganic anti-ultraviolet material to the coupling agent to the organic ultraviolet absorbent to the initiator is 95:2.0:2.0:1.0;
the inorganic anti-ultraviolet material is titanium dioxide powder, and the particle size of the titanium dioxide powder is 200nm;
the organic solvent is ethanol; the coupling agent is A-172;
the organic ultraviolet absorbent is 2-hydroxy 4- (3-methacrylate-2-hydroxy propoxy) benzophenone;
the initiator is AIBN;
the preparation method of the organic/inorganic composite ultraviolet-resistant extinction polyester master batch comprises the following preparation steps:
according to the formula proportion of the organic/inorganic composite ultraviolet-resistant extinction polyester master batch, adding the dried polyester matrix, the organic/inorganic composite ultraviolet-resistant nano powder, the light stabilizer, the antioxidant and the dispersing agent into a high-speed mixer for mixing, and conveying the obtained mixed powder into a double screw by a feeding system for dispersing, mixing, extruding and granulating to obtain the organic/inorganic composite ultraviolet-resistant extinction polyester master batch; the rotating speed of the high-speed mixer is 2500r/min, and the mixing time is 40min; the temperature of the twin-screw extruder was 215℃and the rotational speed was 400r/min.
Example 3:
the organic/inorganic composite ultraviolet-resistant extinction polyester master batch comprises the following components in parts by mass:
50 parts of a polyester matrix, wherein the polyester matrix is PTT slices;
40 parts of organic/inorganic composite anti-ultraviolet nano powder;
1.0 part of light stabilizer, wherein the light stabilizer is UV-1084;
1.0 part of antioxidant, wherein the antioxidant is antioxidant 1010 and antioxidant 168, and the mass ratio of the antioxidant 1010 to the antioxidant 168 is 1:2;
3.0 parts of a dispersing agent, wherein the dispersing agent is low-density homo-wax;
the organic/inorganic composite uvioresistant nanomaterial comprises the following preparation steps:
dispersing inorganic anti-ultraviolet material in organic solvent, ultrasonic dispersing for 30min, heating and stirring at 40 ℃, and then adding coupling agent, organic ultraviolet absorbent and initiator respectively; after reacting for 6 hours, centrifugally taking out the precipitate, washing the precipitate with water and alcohol, drying the precipitate for 24 hours at 80 ℃ in a vacuum oven, and finally grinding to obtain the organic/inorganic composite ultraviolet-resistant nano material;
the mass ratio of the inorganic anti-ultraviolet material to the coupling agent to the organic ultraviolet absorbent to the initiator is 95:2.0:2.0:1.0;
the inorganic anti-ultraviolet material is titanium dioxide powder, and the particle size of the titanium dioxide powder is 300nm;
the organic solvent is ethanol; the coupling agent is A-172;
the organic ultraviolet absorbent is 2- (2 '-hydroxy-5' -methacryloyloxyethyl phenyl) -2H-benzotriazole;
the initiator is BPO;
the preparation method of the organic/inorganic composite ultraviolet-resistant extinction polyester master batch comprises the following preparation steps:
according to the formula proportion of the organic/inorganic composite ultraviolet-resistant extinction polyester master batch, adding the dried polyester matrix, the organic/inorganic composite ultraviolet-resistant nano powder, the light stabilizer, the antioxidant and the dispersing agent into a high-speed mixer for mixing, and conveying the obtained mixed powder into a double screw by a feeding system for dispersing, mixing, extruding and granulating to obtain the organic/inorganic composite ultraviolet-resistant extinction polyester master batch; the rotating speed of the high-speed mixer is 2000r/min, and the mixing time is 30min; the temperature of the twin-screw extruder was 215℃and the rotational speed was 500r/min.
Example 4:
the organic/inorganic composite ultraviolet-resistant extinction polyester master batch comprises the following components in parts by mass:
50 parts of a polyester matrix, wherein the polyester matrix is PET (polyethylene terephthalate) slices;
40 parts of organic/inorganic composite anti-ultraviolet nano powder;
1.0 part of light stabilizer, wherein the light stabilizer is UV-1084;
1.0 part of antioxidant, wherein the antioxidant is antioxidant 1010 and antioxidant 168, and the mass ratio of the antioxidant 1010 to the antioxidant 168 is 1:2;
3.0 parts of dispersing agent, wherein the dispersing agent is low-density homo-wax and ethylene acrylic acid copolymer, and the mass ratio of the low-density homo-wax to the ethylene acrylic acid copolymer is 1:1;
the organic/inorganic composite uvioresistant nanomaterial comprises the following preparation steps:
dispersing inorganic anti-ultraviolet material in organic solvent, ultrasonic dispersing for 30min, heating and stirring at 60 ℃, and then adding coupling agent, organic ultraviolet absorbent and initiator respectively; after reacting for 4 hours, centrifugally taking out the precipitate, washing the precipitate with water and alcohol, drying the precipitate for 24 hours at 80 ℃ in a vacuum oven, and finally grinding to obtain the organic/inorganic composite ultraviolet-resistant nano material;
the mass ratio of the inorganic anti-ultraviolet material to the coupling agent to the organic ultraviolet absorbent to the initiator is 94:2.0:3.0:1.0;
the inorganic anti-ultraviolet material is titanium dioxide powder, and the particle size of the titanium dioxide powder is 300nm;
the organic solvent is ethanol;
the coupling agent is A-172;
the organic ultraviolet absorbent is 2-hydroxy-4-methyl acrylate benzophenone;
the initiator is AIBN;
the preparation method of the organic/inorganic composite ultraviolet-resistant extinction polyester master batch comprises the following preparation steps:
according to the formula proportion of the organic/inorganic composite ultraviolet-resistant extinction polyester master batch, adding the dried polyester matrix, the organic/inorganic composite ultraviolet-resistant nano powder, the light stabilizer, the antioxidant and the dispersing agent into a high-speed mixer for mixing, and conveying the obtained mixed powder into a double screw by a feeding system for dispersing, mixing, extruding and granulating to obtain the organic/inorganic composite ultraviolet-resistant extinction polyester master batch; the rotating speed of the high-speed mixer is 2000r/min, and the mixing time is 40min; the temperature of the twin-screw extruder was 220℃and the rotational speed was 400r/min.
Example 5:
the organic/inorganic composite ultraviolet-resistant extinction polyester master batch comprises the following components in parts by mass:
50 parts of a polyester matrix, wherein the polyester matrix is a PET (polyethylene terephthalate) slice and a PBT slice, and the mass ratio of the PET slice to the PBT slice is 8:2; 40 parts of organic/inorganic composite anti-ultraviolet nano powder;
1.0 part of light stabilizer, wherein the light stabilizer is UV-1084;
1.0 part of antioxidant, wherein the antioxidant is antioxidant 1010 and antioxidant 168, and the mass ratio of the antioxidant 1010 to the antioxidant 168 is 1:1;
3.0 parts of dispersing agent, wherein the dispersing agent is ethylene acrylic acid copolymer and maleic anhydride graft, and the mass ratio of the ethylene acrylic acid copolymer to the maleic anhydride graft is 2:1;
the organic/inorganic composite uvioresistant nanomaterial comprises the following preparation steps:
dispersing inorganic anti-ultraviolet material in organic solvent, ultrasonic dispersing for 30min, heating and stirring at 80 ℃, and then adding coupling agent, organic ultraviolet absorbent and initiator respectively; after reacting for 2 hours, centrifugally taking out the precipitate, washing the precipitate with water and alcohol, drying the precipitate for 24 hours at 80 ℃ in a vacuum oven, and finally grinding to obtain the organic/inorganic composite ultraviolet-resistant nano material;
the mass ratio of the inorganic anti-ultraviolet material to the coupling agent to the organic ultraviolet absorbent to the initiator is 96:1.0:2.5:0.5;
the inorganic anti-ultraviolet material is titanium dioxide powder, and the particle size of the titanium dioxide powder is 300nm;
the organic solvent is ethanol;
the coupling agent is A-151;
the organic ultraviolet absorbent is 2- (2 '-hydroxy-5' -methacryloyloxyethyl phenyl) -2H-benzotriazole;
the initiator is BPO;
the preparation method of the organic/inorganic composite ultraviolet-resistant extinction polyester master batch comprises the following preparation steps:
according to the formula proportion of the organic/inorganic composite ultraviolet-resistant extinction polyester master batch, adding the dried polyester matrix, the organic/inorganic composite ultraviolet-resistant nano powder, the light stabilizer, the antioxidant and the dispersing agent into a high-speed mixer for mixing, and conveying the obtained mixed powder into a double screw by a feeding system for dispersing, mixing, extruding and granulating to obtain the organic/inorganic composite ultraviolet-resistant extinction polyester master batch; the rotating speed of the high-speed mixer is 3000r/min, and the mixing time is 30min; the temperature of the twin-screw extruder was 215℃and the rotational speed was 400r/min.
Example 6:
the organic/inorganic composite ultraviolet-resistant extinction polyester master batch comprises the following components in parts by mass:
50 parts of a polyester matrix, wherein the polyester matrix is PTT slices;
45 parts of organic/inorganic composite anti-ultraviolet nano powder;
1.0 part of light stabilizer, wherein the light stabilizer is UV-1084;
0.5 part of antioxidant, wherein the antioxidant is antioxidant 1010 and antioxidant 168, and the mass ratio of the antioxidant 1010 to the antioxidant 168 is 1:1;
1.0 part of dispersing agent which is maleic anhydride graft;
the organic/inorganic composite uvioresistant nanomaterial comprises the following preparation steps:
dispersing inorganic anti-ultraviolet material in organic solvent, ultrasonic dispersing for 30min, heating and stirring at 80 ℃, and then adding coupling agent, organic ultraviolet absorbent and initiator respectively; after reacting for 2 hours, centrifugally taking out the precipitate, washing the precipitate with water and alcohol, drying the precipitate for 24 hours at 80 ℃ in a vacuum oven, and finally grinding to obtain the organic/inorganic composite ultraviolet-resistant nano material;
the mass ratio of the inorganic anti-ultraviolet material to the coupling agent to the organic ultraviolet absorbent to the initiator is 96:1.0:2.5:0.5;
the inorganic anti-ultraviolet material is titanium dioxide powder, and the particle size of the titanium dioxide powder is 200nm;
the organic solvent is ethanol;
the coupling agent is A-171;
the organic ultraviolet absorbent is 2- (2 '-hydroxy-5' -methacryloyloxyethyl phenyl) -2H-benzotriazole;
the initiator is BPO;
the preparation method of the organic/inorganic composite ultraviolet-resistant extinction polyester master batch comprises the following preparation steps:
according to the formula proportion of the organic/inorganic composite ultraviolet-resistant extinction polyester master batch, adding the dried polyester matrix, the organic/inorganic composite ultraviolet-resistant nano powder, the light stabilizer, the antioxidant and the dispersing agent into a high-speed mixer for mixing, and conveying the obtained mixed powder into a double screw by a feeding system for dispersing, mixing, extruding and granulating to obtain the organic/inorganic composite ultraviolet-resistant extinction polyester master batch; the rotating speed of the high-speed mixer is 2000r/min, and the mixing time is 40min; the temperature of the twin-screw extruder was 220℃and the rotational speed was 500r/min.
Comparative example 1: (inorganic anti-ultraviolet Material)
Compared with example 1, the master batch formula in comparative example 1 adopts inorganic nano titanium dioxide, does not adopt organic/inorganic composite anti-ultraviolet nano powder, and has the same other conditions as in example 1.
Comparative example 2: (organic ultraviolet absorber)
In comparison with example 1, the master batch formulation of comparative example 2 uses the organic ultraviolet absorber 2- (2 '-hydroxy-5' -methacryloyloxyethyl phenyl) -2H-benzotriazole, and does not use the organic/inorganic composite uvioresistant nano powder, and the other conditions are the same as in example 1.
Comparative example 3: (mixing inorganic UV-resistant material with organic UV absorber)
Compared with example 1, the master batch formula in comparative example 3 adopts inorganic nano titanium dioxide and an organic ultraviolet absorber 2- (2 '-hydroxy-5' -methacryloyloxyethyl phenyl) -2H-benzotriazole, does not adopt organic/inorganic composite ultraviolet resistant nano powder, and is respectively added with the inorganic nano titanium dioxide and the organic ultraviolet absorber in the preparation method, and the rest conditions are the same as those in example 1.
Test case
The anti-ultraviolet polyester master batches prepared in examples 1 to 6 and comparative examples 1 to 3 are applied to polyester fiber spinning, and comprise the following steps: and (3) drying the uvioresistant polyester master batch and the conventional PET slice for 20 hours at 120 ℃, uniformly mixing according to a mass ratio of 1:22, and spinning at a spinning temperature of 260-285 ℃ to obtain the uvioresistant polyester fiber, wherein the draft multiple is controlled to be 3.5-4.5.
The ultraviolet protection value (UPF) and mechanical property (breaking strength and breaking elongation) of the prepared ultraviolet resistant polyester fiber are tested, wherein the ultraviolet protection value test step is referred to GB/T18830-2009, the mechanical property test step is referred to GB/T1040.2-2022, and the test result is shown in Table 1;
TABLE 1 UPF value and mechanical characterization of UV resistant fibers
UPF value Breaking strength (cN/dtex) Elongation at break (%)
Example 1 59.46 4.09 20.45
Example 2 58.48 3.96 21.06
Example 3 58.66 3.66 24.56
Example 4 58.47 3.73 23.52
Example 5 59.28 3.82 22.19
Example 6 58.84 3.68 24.28
Comparative example 1 52.58 4.12 19.13
Comparative example 2 46.34 3.73 31.45
Comparative example 3 58.28 4.05 20.13
As shown in table 1, the UPF values of examples 1 to 6 are significantly higher than those of comparative examples 1 to 2, and the UPF value of example 1 is higher than that of comparative example 3, and as can be seen from the above results, the organic/inorganic composite uv-resistant nanomaterial provided by the present application can significantly improve the uv-resistant performance of polyester fibers, and the uv-resistant performance of the composite uv-resistant nanomaterial is higher than that of a simple combination of a single uv-resistant material and a single uv-resistant material; furthermore, as can be obtained from the mechanical property results of example 1 and comparative example 3, the mechanical property of the composite uv-resistant nanomaterial is higher than that of a simple combination of single uv-resistant materials, which results because the dispersion effect of the inorganic nanomaterial and the organic uv-absorbent added respectively in the polyester matrix is lower than that of the composite uv-resistant nanomaterial in the polyester matrix; as can be obtained from the UPF values of examples 1 to 6, the proportion of the masterbatch influences the anti-uv effect and the mechanical properties of the final product fibres.
The foregoing description is only a preferred embodiment of the present application, and is not intended to limit the present application, and any simple modification, variation and equivalent transformation of the above embodiment according to the technical substance of the present application still fall within the scope of the technical solution of the present application.

Claims (10)

1. The organic/inorganic composite ultraviolet-resistant extinction polyester master batch is characterized by comprising the following components in parts by mass:
30-70 parts of a polyester matrix;
30-65 parts of organic/inorganic composite anti-ultraviolet nano powder;
0.01-1.0 part of light stabilizer;
0.05-2.0 parts of an antioxidant;
0.2-2.0 parts of dispersing agent;
the organic/inorganic composite uvioresistant nanomaterial comprises the following preparation steps:
the weight ratio of the components is 90-98: 0.2 to 3.0:2.0 to 5.0: and (0.1-2.0 g), reacting the inorganic anti-ultraviolet material, the coupling agent, the ultraviolet absorber and the initiator to prepare the organic/inorganic composite anti-ultraviolet nano material.
2. The organic/inorganic composite ultraviolet-resistant extinction polyester master batch as claimed in claim 1, wherein the inorganic ultraviolet-resistant material is titanium dioxide, and the particle size of the titanium dioxide is 100-500 nm.
3. The organic/inorganic composite ultraviolet-resistant extinction polyester master batch as claimed in claim 1, wherein said coupling agent is selected from vinyl trimethoxy silane, vinyl tri [ ]β-methoxyethoxy),γOne or more of- (methacryloxy) propyl trimethoxy silane and vinyl triethoxy silane.
4. The organic/inorganic composite ultraviolet-resistant extinction polyester masterbatch as claimed in claim 1, wherein the ultraviolet absorber is selected from one or more of 2- (2 '-hydroxy-5' -methacryloyloxyethyl phenyl) -2H-benzotriazole, 2-hydroxy 4- (3-methacrylate-2-hydroxypropoxy) benzophenone and 2-hydroxy-4-methacrylate-based benzophenone.
5. An organic/inorganic composite uv-blocking polyester masterbatch according to claim 1 wherein said initiator is selected from azobisisobutyronitrile and/or benzoyl peroxide.
6. The organic/inorganic composite ultraviolet-resistant extinction polyester masterbatch according to claim 1 or 2 or 3 or 4 or 5, characterized in that the reaction steps are: and (3) placing the inorganic anti-ultraviolet material in an organic solvent, heating, stirring, ultrasonically dispersing to prepare a mixture, heating to 40-80 ℃, injecting a coupling agent, an ultraviolet absorbent and an initiator into the mixture for reaction for 2-6 hours, centrifuging to remove precipitate after the reaction is finished, and cleaning, drying and grinding the precipitate to prepare the organic/inorganic composite anti-ultraviolet nano material.
7. A method for preparing the organic/inorganic composite ultraviolet-resistant extinction polyester master batch as claimed in any one of claims 1 to 6, which is characterized by comprising the following preparation steps:
and mixing the polyester matrix, the organic/inorganic composite ultraviolet-resistant nano material, the light stabilizer, the antioxidant and the dispersing agent, and extruding the mixture to prepare the organic/inorganic composite ultraviolet-resistant extinction polyester master batch.
8. The method of claim 7, wherein the polyester matrix is selected from one or more of polyethylene terephthalate, polypropylene terephthalate, and polybutylene terephthalate;
the light stabilizer is 2, 2-thiobis (4-tert-octylphenol) n-butylamine nickel salt;
the antioxidant is selected from four [β- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid]Pentaerythritol esters and/or tris (2, 4-di-tert-butylphenyl) phosphite;
the dispersing agent is one or more selected from white oil, calcium stearate, low-density homo-wax, ethylene acrylic acid copolymer and maleic anhydride graft.
9. The organic/inorganic composite uv-blocking polyester master batch according to claim 7, wherein the mixing conditions comprise: the mixing rotating speed is 1000-3000 r/min, and the mixing time is 20-40 min; the mixing conditions include: the mixing extrusion temperature is 210-250 ℃, and the mixing extrusion rotating speed is 300-600 r/min.
10. Use of the organic/inorganic composite anti-ultraviolet extinction polyester master batch as claimed in claims 1-6 or the organic/inorganic composite anti-ultraviolet extinction polyester master batch as claimed in claims 7-9.
CN202310367217.5A 2023-04-07 2023-04-07 Organic/inorganic composite ultraviolet-resistant extinction polyester master batch, preparation method and application thereof Pending CN116656093A (en)

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