CN116891622A - Long-acting anti-aging master batch and preparation method thereof - Google Patents
Long-acting anti-aging master batch and preparation method thereof Download PDFInfo
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- 230000003712 anti-aging effect Effects 0.000 title claims abstract description 48
- 239000004594 Masterbatch (MB) Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 229920005989 resin Polymers 0.000 claims abstract description 80
- 239000011347 resin Substances 0.000 claims abstract description 80
- 239000000843 powder Substances 0.000 claims abstract description 45
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 32
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 32
- 239000004970 Chain extender Substances 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 23
- 239000002131 composite material Substances 0.000 claims abstract description 17
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000002270 dispersing agent Substances 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 41
- 239000000203 mixture Substances 0.000 claims description 23
- 238000001125 extrusion Methods 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 13
- 238000009792 diffusion process Methods 0.000 claims description 10
- 238000000227 grinding Methods 0.000 claims description 10
- 238000005469 granulation Methods 0.000 claims description 9
- 230000003179 granulation Effects 0.000 claims description 9
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical group CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims description 9
- 238000005303 weighing Methods 0.000 claims description 9
- VETPHHXZEJAYOB-UHFFFAOYSA-N 1-n,4-n-dinaphthalen-2-ylbenzene-1,4-diamine Chemical compound C1=CC=CC2=CC(NC=3C=CC(NC=4C=C5C=CC=CC5=CC=4)=CC=3)=CC=C21 VETPHHXZEJAYOB-UHFFFAOYSA-N 0.000 claims description 8
- 239000003242 anti bacterial agent Substances 0.000 claims description 7
- WGKLOLBTFWFKOD-UHFFFAOYSA-N tris(2-nonylphenyl) phosphite Chemical compound CCCCCCCCCC1=CC=CC=C1OP(OC=1C(=CC=CC=1)CCCCCCCCC)OC1=CC=CC=C1CCCCCCCCC WGKLOLBTFWFKOD-UHFFFAOYSA-N 0.000 claims description 7
- 150000002500 ions Chemical class 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 2
- 229920006238 degradable plastic Polymers 0.000 abstract description 12
- 239000004033 plastic Substances 0.000 abstract description 8
- 229920003023 plastic Polymers 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 4
- 239000012752 auxiliary agent Substances 0.000 abstract description 2
- 239000004631 polybutylene succinate Substances 0.000 description 44
- 229920002961 polybutylene succinate Polymers 0.000 description 44
- 239000000049 pigment Substances 0.000 description 32
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 24
- 239000004408 titanium dioxide Substances 0.000 description 12
- 150000001450 anions Chemical class 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000007385 chemical modification Methods 0.000 description 3
- -1 polybutylene succinate Polymers 0.000 description 3
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- 206010051246 Photodermatosis Diseases 0.000 description 2
- 239000004599 antimicrobial Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000004224 protection Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- PJZDODDUSMVLPX-YRNVUSSQSA-N COC(C=C(/C=C/C(NC1(CCCC1)C(O)=O)=O)C=C1)=C1OCC1=CC=C(C(F)(F)F)C=C1 Chemical group COC(C=C(/C=C/C(NC1(CCCC1)C(O)=O)=O)C=C1)=C1OCC1=CC=C(C(F)(F)F)C=C1 PJZDODDUSMVLPX-YRNVUSSQSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000008845 photoaging Effects 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 229920001896 polybutyrate Polymers 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 150000003608 titanium Chemical class 0.000 description 1
- 239000001038 titanium pigment Substances 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2469/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
- C08K5/18—Amines; Quaternary ammonium compounds with aromatically bound amino groups
-
- 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
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl 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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
A long-acting anti-aging master batch and a preparation method thereof belong to the technical field of plastic materials. The composite material is characterized by comprising the following components in parts by weight: 120-150 parts of PBS resin, 180-220 parts of PPC resin, 70-90 parts of modified titanium dioxide, 0.5-7 parts of toner, 10-15 parts of dispersing agent, 15-25 parts of dispersing powder, 50-70 parts of antioxidant and 0.1-1 part of chain extender. The anti-aging master batch is clung to the degradable plastic technology, so that the anti-aging auxiliary agent can be effectively dispersed in the product. The anti-aging master batch prepared by the invention is convenient for post-process use, can be directly mixed with downstream degradable plastic particles, and has simple process and lower cost.
Description
Technical Field
A long-acting anti-aging master batch and a preparation method thereof belong to the technical field of plastic materials.
Background
The anti-aging master batch is a granular product which is prepared from raw materials such as an antioxidant, a light stabilizer, a surfactant and the like by a special process. Has antioxidant and dampproof effects. The color-changing agent is mainly used for coloring plastic and rubber products, improving the physical and mechanical properties of the products, and the like, is mainly used for whitening, filling modification and the like in the plastic, and can also be used for producing food packaging bags. The addition of an appropriate amount of an anti-aging agent to the thermoplastic resin can prevent degradation of the polymer and impart a certain color and gloss to the polymer as well as other specific physicochemical properties such as heat resistance, weather resistance, etc.
The Chinese patent CN113174128A discloses an ultraviolet-resistant anti-aging master batch which comprises the following components in parts by weight: 100-150 parts of titanium dioxide, 10-16 parts of toner, 10-15 parts of dispersing agent, 20-30 parts of diffusion powder, 70-100 parts of antioxidant, 100-150 parts of UV powder and 580-620 parts of PC resin. According to the ultraviolet-resistant anti-aging master batch provided by the invention, the master batch has the ultraviolet-resistant anti-aging effect through the combined use of the UV powder and the PC resin. The master batch is mainly aimed at resisting photo-aging, and the aging resistance of the master batch to corrosive liquids and oxidizing environments is still obviously insufficient.
Disclosure of Invention
The invention aims to solve the technical problems that: overcomes the defects of the prior art, and provides a long-acting anti-aging master batch with more comprehensive anti-aging capability and stronger environmental adaptability and a preparation method thereof.
The technical scheme adopted for solving the technical problems is as follows: the long-acting anti-aging master batch is characterized by comprising the following components in parts by weight: 120-150 parts of PBS resin, 180-220 parts of PPC resin, 70-90 parts of modified titanium dioxide, 0.5-7 parts of toner, 10-15 parts of dispersing agent, 15-25 parts of dispersing powder, 50-70 parts of antioxidant and 0.1-1 part of chain extender.
The invention provides an anti-aging master batch, which is particularly suitable for the existing degradable plastics, and the degradable plastics have insufficient anti-aging effect because the degradable capability of the degradable plastics after being abandoned is maintained, so that the application of the degradable materials in a plurality of fields is affected; according to the invention, a certain proportion of polybutylene succinate (PBS) and polymethyl ethylene carbonate (PPC) are used as base materials, and the difference of the performances of the PBS and the PPC is large. Meanwhile, PBS and PPC can not influence the degradability of the degradable plastic.
The components in parts by weight are preferably as follows: 130-140 parts of PBS resin, 195-210 parts of PPC resin, 75-85 parts of modified titanium dioxide, 3-5 parts of toner, 12-14 parts of dispersing agent, 18-22 parts of diffusion powder, 55-65 parts of antioxidant and 0.3-0.8 part of chain extender. Under the preferable composition proportion, better anti-aging effect can be achieved.
Preferably, in the long-acting anti-aging master batch, the particle size of the modified titanium dioxide is 10-20 mu m, and the modified titanium dioxide is chemically modified titanium dioxide with acetic acid. The preferred modified titanium dioxide can be better combined with PBS and PPC, and can have better anti-photoaging effect. The titanium dioxide chemically modified by the acetic acid specifically comprises the following components: and (3) grinding the titanium dioxide powder with the particle size into an acetic acid solution with the mass concentration of 50% -60%, stirring and reacting for 15-25 min at the temperature of 35-40 ℃, filtering the titanium dioxide powder, and drying the titanium dioxide powder. After the acetic acid with proper concentration is used for reaction modification with the titanium dioxide, the surface roughness of the titanium dioxide is increased, the bonding strength of the titanium dioxide with PBS and PPC can be increased, the surface morphology of the titanium dioxide can be improved, the diffuse reflection of light can be improved, and the light resistance of the material can be enhanced.
The invention can adapt to most dispersing agents in the anti-aging field and has promotion effect on the uniform dispersion of each functional component. Preferably, in the long-acting anti-aging master batch, the dispersing agent is ethylene bis stearamide dispersing agent. The functional components can be more uniformly dispersed in the base material combined by PBS and PPC, and the anti-aging performance is better ensured.
Preferably, in the long-acting anti-aging master batch, the toner is pigment yellow, pigment red, pigment blue and/or pigment black.
Preferably, in the long-acting anti-aging master batch, the antioxidant is a composite antioxidant of tris (nonylphenyl) phosphite and N, N' -bis (2-naphthyl) -1, 4-phenylenediamine according to the mass ratio of 1:0.7-1.9. The invention also provides a composite antioxidant which is especially suitable for the base material of the invention, and through matching the two antioxidants according to a certain proportion, the base material combined by PBS and PPC can be uniformly dispersed and form stable combination points, and the anti-oxidative aging capability is well improved.
Preferably, in the long-acting anti-aging master batch, the molecular weight Mn of the PBS resin is 5×10 4 ~8×10 4 The molecular weight Mn of the PPC resin is 1.3X10 5 ~1.7×10 5 . The PBS and PPC with the molecular weight are mutually easier to combine under the action of the chain extender, are more uniformly mixed, and can better combine the advantages of the PBS and the PPC.
Preferably, in the long-acting anti-aging master batch, the composition by weight parts further comprises: 10-20 parts of negative ion powder and 15-30 parts of antibacterial agent. The basic material of the invention has better inclusion, and can also have corresponding effect after adding negative ion powder and antibacterial agent.
The PBS and the PPC have insufficient compatibility and poor blending performance, and the molecular chains of the two materials are connected by using a trace amount of chain extender to promote the combination of the two base materials, so that the mixed use and reprocessing of the master batch and other plastics are not affected. The chain extender is isocyanate chain extender, so that the above effects can be better ensured.
The preparation method of the long-acting anti-aging master batch comprises the following preparation steps:
1) Weighing materials except PBS resin, PPC resin and chain extender, adding into a grinder, and co-grinding and mixing to obtain a fine powder mixture;
2) Mixing the fine powder mixture, PBS resin, PPC resin and chain extender uniformly by a high-speed mixer, and extruding and granulating by an extruding granulator to obtain the final product.
Specifically, in the preparation method of the long-acting anti-aging master batch, the feeding temperature of extrusion granulation is 115-125 ℃, and the temperature of a machine head is 180-190 ℃. Preferred extrusion conditions allow good and stable mixing of the raw materials according to the invention.
Compared with the prior art, the long-acting anti-aging master batch and the preparation method thereof have the following beneficial effects: the anti-aging master batch is mainly used in the anti-aging field of degradable plastics, and has better anti-aging capability when applied to traditional plastics. The degradable plastic prepared from the anti-aging master batch has the characteristics of high efficiency, durability, ultraviolet resistance, oxidation resistance and seawater aging resistance after being applied, and has good mechanical property protection effect, wherein the maximum retention rate is more than 80% after the degradable plastic is subjected to accelerated aging for 200 hours. The anti-aging master batch is uniformly mixed with the degradable plastic resin, so that the degradability of the material is not affected. The anti-aging master batch is clung to the downstream degradable plastic process, and can realize the effective dispersion of the anti-aging auxiliary agent in the product. The anti-aging master batch prepared by the invention is convenient for post-process use, can be directly mixed with downstream degradable plastic particles, and has simple process and lower cost.
Detailed Description
The present invention will be specifically described below by way of examples. All materials are commercially available, unless otherwise indicated.
Example 1
1) The anti-microbial agent is prepared from 135 parts of PBS resin, 200 parts of PPC resin, 80 parts of acetic acid chemical modified titanium dioxide with the particle size of 10-20 microns, 4 parts of toner, 13 parts of ethylene bis stearamide, 20 parts of diffusion powder, 60 parts of antioxidant, 0.5 part of MDI, 15 parts of anion powder and 20 parts of antibacterial agent. Wherein the antioxidant is a composite antioxidant of tris (nonylphenyl) phosphite and N, N' -bis (2-naphthyl) -1, 4-phenylenediamine according to the mass ratio of 1:1.3; the toner is a composite toner of pigment yellow, pigment red, pigment blue and pigment black according to the mass ratio of 5:1.5:1.5:0.8; PBS resin has a molecular weight Mn of 6.5X10 4 The molecular weight Mn of the PPC resin is 1.4X10 5 。
2) Weighing materials except PBS resin, PPC resin and chain extender, adding into a grinder, and co-grinding and mixing to obtain a fine powder mixture;
3) The fine powder mixture, PBS resin, PPC resin and chain extender are evenly mixed by a high-speed mixer, and then are extruded and granulated by an extrusion granulator, wherein the feeding temperature of extrusion granulation is 120 ℃, and the temperature of a machine head is 185 ℃.
Example 2
1) 130 parts of PBS resin, 210 parts of PPC resin, 75 parts of acetic acid chemical modified titanium dioxide with the weight of 10-20 mu m, 5 parts of toner, 12 parts of ethylene bis stearamide, 22 parts of diffusion powder, 55 parts of antioxidant, 0.8 part of MDI, 10 parts of anion powder and an antibacterial agent30 parts of a material is prepared. Wherein the antioxidant is a composite antioxidant of tris (nonylphenyl) phosphite and N, N' -bis (2-naphthyl) -1, 4-phenylenediamine according to the mass ratio of 1:1; the toner is a composite toner of pigment yellow, pigment red, pigment blue and pigment black according to the mass ratio of 1.5:1.7:1.2:0.7; PBS resin has a molecular weight Mn of 6.5X10 4 The molecular weight Mn of the PPC resin is 1.4X10 5 。
2) Weighing materials except PBS resin, PPC resin and chain extender, adding into a grinder, and co-grinding and mixing to obtain a fine powder mixture;
3) The fine powder mixture, PBS resin, PPC resin and chain extender are evenly mixed by a high-speed mixer, and then are extruded and granulated by an extrusion granulator, wherein the feeding temperature of extrusion granulation is 120 ℃, and the temperature of a machine head is 185 ℃.
Example 3
1) 140 parts of PBS resin, 195 parts of PPC resin, 85 parts of acetic acid chemical modified titanium pigment with the particle size of 10-20 mu m, 3 parts of toner, 14 parts of ethylene bis stearamide, 18 parts of diffusion powder, 65 parts of antioxidant, 0.3 part of MDI, 20 parts of anion powder and 15 parts of antibacterial agent. Wherein the antioxidant is a composite antioxidant of tris (nonylphenyl) phosphite and N, N' -bis (2-naphthyl) -1, 4-phenylenediamine according to the mass ratio of 1:1.5; the toner is a composite toner of pigment yellow, pigment red, pigment blue and pigment black according to the mass ratio of 2.5:0.8:1.7:0.8; PBS resin has a molecular weight Mn of 6.5X10 4 The molecular weight Mn of the PPC resin is 1.4X10 5 。
2) Weighing materials except PBS resin, PPC resin and chain extender, adding into a grinder, and co-grinding and mixing to obtain a fine powder mixture;
3) The fine powder mixture, PBS resin, PPC resin and chain extender are evenly mixed by a high-speed mixer, and then are extruded and granulated by an extrusion granulator, wherein the feeding temperature of extrusion granulation is 120 ℃, and the temperature of a machine head is 185 ℃.
Example 4
1) According to the weight parts of 135 parts of PBS resin, 200 parts of PPC resin, 80 parts of acetic acid chemical modification titanium dioxide with the thickness of 10-20 mu m, 4 parts of toner, 13 parts of ethylene bis stearamide, 20 parts of diffusion powder and tris (nonylphenyl) phosphorous60 parts of acid ester, 0.5 part of MDI, 15 parts of anion powder and 20 parts of antibacterial agent. Wherein the toner is a composite toner of pigment yellow, pigment red, pigment blue and pigment black according to the mass ratio of 5:1.5:1.5:0.8; PBS resin has a molecular weight Mn of 6.5X10 4 The molecular weight Mn of the PPC resin is 1.4X10 5 。
2) Weighing materials except PBS resin, PPC resin and chain extender, adding into a grinder, and co-grinding and mixing to obtain a fine powder mixture;
3) The fine powder mixture, PBS resin, PPC resin and chain extender are evenly mixed by a high-speed mixer, and then are extruded and granulated by an extrusion granulator, wherein the feeding temperature of extrusion granulation is 120 ℃, and the temperature of a machine head is 185 ℃.
Example 5
1) The anti-microbial agent is prepared from 135 parts of PBS resin, 200 parts of PPC resin, 80 parts of acetic acid chemical modified titanium dioxide with the particle size of 10-20 microns, 4 parts of toner, 13 parts of ethylene bis stearamide, 20 parts of diffusion powder, 60 parts of antioxidant, 0.5 part of MDI, 15 parts of anion powder and 20 parts of antibacterial agent. Wherein the antioxidant is a composite antioxidant of tris (nonylphenyl) phosphite and N, N' -bis (2-naphthyl) -1, 4-phenylenediamine according to the mass ratio of 1:1.3; the toner is a composite toner of pigment yellow, pigment red, pigment blue and pigment black according to the mass ratio of 5:1.5:1.5:0.8; PBS resin has a molecular weight Mn of 1.2X10 5 The molecular weight Mn of the PPC resin is 7 multiplied by 10 4 。
2) Weighing materials except PBS resin, PPC resin and chain extender, adding into a grinder, and co-grinding and mixing to obtain a fine powder mixture;
3) The fine powder mixture, PBS resin, PPC resin and chain extender are evenly mixed by a high-speed mixer, and then are extruded and granulated by an extrusion granulator, wherein the feeding temperature of extrusion granulation is 120 ℃, and the temperature of a machine head is 185 ℃.
Example 6
1) 120 parts of PBS resin, 220 parts of PPC resin, 70 parts of acetic acid chemical modification titanium dioxide with the thickness of 10-20 mu m, 7 parts of toner, 10 parts of ethylene bis stearamide, 25 parts of diffusion powder, 50 parts of antioxidant, 1 part of MDI and 10 parts of anion powder. Wherein the antioxidant is tri (nonylphenyl) subunitA composite antioxidant of phosphate and N, N' -di (2-naphthyl) -1, 4-phenylenediamine according to the mass ratio of 1:1.9; the toner is a composite toner of pigment yellow, pigment red, pigment blue and pigment black according to the mass ratio of 1:2:1; PBS resin has a molecular weight Mn of 5X 10 4 The molecular weight Mn of the PPC resin is 1.7X10 5 。
2) Weighing materials except PBS resin, PPC resin and chain extender, adding into a grinder, and co-grinding and mixing to obtain a fine powder mixture;
3) The fine powder mixture, PBS resin, PPC resin and chain extender are evenly mixed by a high-speed mixer, and then are extruded and granulated by an extrusion granulator, wherein the feeding temperature of extrusion granulation is 115 ℃, and the temperature of a machine head is 180 ℃.
Example 7
1) 150 parts of PBS resin, 180 parts of PPC resin, 90 parts of acetic acid chemical modification titanium dioxide with the thickness of 10-20 mu m, 0.5 part of toner, 15 parts of ethylene bis stearamide, 15 parts of diffusion powder, 70 parts of antioxidant and 0.1 part of MDI. Wherein the antioxidant is a composite antioxidant of tris (nonylphenyl) phosphite and N, N' -bis (2-naphthyl) -1, 4-phenylenediamine according to the mass ratio of 1:0.7; the toner is a composite toner of pigment yellow, pigment red, pigment blue and pigment black according to the mass ratio of 3:0.5:2:0.5; PBS resin has a molecular weight Mn of 8×10 4 The molecular weight Mn of the PPC resin is 1.3X10 5 。
2) Weighing materials except PBS resin, PPC resin and chain extender, adding into a grinder, and co-grinding and mixing to obtain a fine powder mixture;
3) The fine powder mixture, PBS resin, PPC resin and chain extender are evenly mixed by a high-speed mixer, and then are extruded and granulated by an extrusion granulator, wherein the feeding temperature of extrusion granulation is 125 ℃, and the temperature of a machine head is 180 ℃.
Comparative example 1
The basic composition and preparation method are the same as in example 1, except that the same amount of non-acetic acid chemically modified titanium dioxide is used to replace the acetic acid chemically modified titanium dioxide with a thickness of 10-20 μm.
Comparative example 2
The basic composition and preparation method were the same as in example 1, except that no chain extender was added.
4% of the master batches prepared in each example are respectively added into PBAT plastics to prepare anti-aging plastic samples. The burn-in test was performed according to the criteria of table 1:
table 1 test criteria
The test results are shown in Table 2:
table 2 test results
The above description is only a preferred embodiment of the present invention, and is not intended to limit the invention in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (9)
1. The long-acting anti-aging master batch is characterized by comprising the following components in parts by weight: 120-150 parts of PBS resin, 180-220 parts of PPC resin, 70-90 parts of modified titanium dioxide, 0.5-7 parts of toner, 10-15 parts of dispersing agent, 15-25 parts of dispersing powder, 50-70 parts of antioxidant and 0.1-1 part of chain extender.
2. The long-acting anti-aging master batch according to claim 1, wherein the long-acting anti-aging master batch comprises the following components in parts by weight: 130-140 parts of PBS resin, 195-210 parts of PPC resin, 75-85 parts of modified titanium dioxide, 3-5 parts of toner, 12-14 parts of dispersing agent, 18-22 parts of diffusion powder, 55-65 parts of antioxidant and 0.3-0.8 part of chain extender.
3. The long-acting anti-aging master batch according to claim 1 or 2, wherein the particle size of the modified titanium dioxide is 10-20 μm, and the modified titanium dioxide is chemically modified titanium dioxide with acetic acid.
4. The long-acting anti-aging master batch according to claim 1 or 2, wherein the dispersant is an ethylene bis stearamide dispersant.
5. The long-acting anti-aging master batch according to claim 1 or 2, wherein the antioxidant is a composite antioxidant of tris (nonylphenyl) phosphite and N, N' -bis (2-naphthyl) -1, 4-phenylenediamine according to a mass ratio of 1:0.7-1.9.
6. The long-acting anti-aging master batch according to claim 1 or 2, wherein the molecular weight Mn of the PBS resin is 5 x 10 4 ~8×10 4 The molecular weight Mn of the PPC resin is 1.3X10 5 ~1.7×10 5 。
7. The long-acting anti-aging master batch according to claim 1 or 2, wherein the composition of the parts by weight further comprises: 10-20 parts of negative ion powder and 15-30 parts of antibacterial agent.
8. The method for preparing the long-acting anti-aging master batch according to any one of claims 1 to 7, which is characterized by comprising the following steps:
1) Weighing materials except PBS resin, PPC resin and chain extender, adding into a grinder, and co-grinding and mixing to obtain a fine powder mixture;
2) Mixing the fine powder mixture, PBS resin, PPC resin and chain extender uniformly by a high-speed mixer, and extruding and granulating by an extruding granulator to obtain the final product.
9. The preparation method of the long-acting anti-aging master batch according to claim 8, wherein the feeding temperature of extrusion granulation is 115-125 ℃, and the temperature of a machine head is 180-190 ℃.
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