CN114573917A - Preparation method of special laminating color master batch for outdoor tarpaulin - Google Patents
Preparation method of special laminating color master batch for outdoor tarpaulin Download PDFInfo
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- CN114573917A CN114573917A CN202210244168.1A CN202210244168A CN114573917A CN 114573917 A CN114573917 A CN 114573917A CN 202210244168 A CN202210244168 A CN 202210244168A CN 114573917 A CN114573917 A CN 114573917A
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- master batch
- color master
- parts
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- flame retardant
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- 239000004595 color masterbatch Substances 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title claims abstract description 33
- 238000010030 laminating Methods 0.000 title claims abstract description 31
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000003063 flame retardant Substances 0.000 claims abstract description 44
- 239000000945 filler Substances 0.000 claims abstract description 38
- 239000004743 Polypropylene Substances 0.000 claims abstract description 35
- 229920001155 polypropylene Polymers 0.000 claims abstract description 35
- -1 polypropylene Polymers 0.000 claims abstract description 24
- 239000011347 resin Substances 0.000 claims abstract description 24
- 229920005989 resin Polymers 0.000 claims abstract description 24
- 239000002270 dispersing agent Substances 0.000 claims abstract description 16
- 239000003381 stabilizer Substances 0.000 claims abstract description 16
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 15
- 239000004626 polylactic acid Substances 0.000 claims abstract description 15
- CTENFNNZBMHDDG-UHFFFAOYSA-N Dopamine hydrochloride Chemical compound Cl.NCCC1=CC=C(O)C(O)=C1 CTENFNNZBMHDDG-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229960001149 dopamine hydrochloride Drugs 0.000 claims abstract description 14
- 239000007822 coupling agent Substances 0.000 claims abstract description 12
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 42
- 238000003756 stirring Methods 0.000 claims description 31
- 239000002131 composite material Substances 0.000 claims description 30
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 28
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 24
- JRFBNCLFYLUNCE-UHFFFAOYSA-N zinc;oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[Ti+4].[Zn+2] JRFBNCLFYLUNCE-UHFFFAOYSA-N 0.000 claims description 22
- 239000011787 zinc oxide Substances 0.000 claims description 21
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 18
- 238000000576 coating method Methods 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 15
- 239000004408 titanium dioxide Substances 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 13
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 12
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 claims description 12
- 229920005629 polypropylene homopolymer Polymers 0.000 claims description 12
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 10
- 238000006116 polymerization reaction Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 44
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 39
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 38
- 238000006243 chemical reaction Methods 0.000 description 35
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 33
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 27
- 229940007718 zinc hydroxide Drugs 0.000 description 26
- 229910021511 zinc hydroxide Inorganic materials 0.000 description 26
- 229910052757 nitrogen Inorganic materials 0.000 description 24
- 238000010926 purge Methods 0.000 description 22
- 239000000843 powder Substances 0.000 description 21
- 239000011592 zinc chloride Substances 0.000 description 19
- 235000005074 zinc chloride Nutrition 0.000 description 19
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 16
- 206010037544 Purging Diseases 0.000 description 14
- 230000000694 effects Effects 0.000 description 13
- 229910052782 aluminium Inorganic materials 0.000 description 12
- 238000000227 grinding Methods 0.000 description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 11
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 11
- SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 description 9
- 229920001690 polydopamine Polymers 0.000 description 9
- 238000001132 ultrasonic dispersion Methods 0.000 description 9
- 238000001914 filtration Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000004570 mortar (masonry) Substances 0.000 description 8
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 8
- 238000005507 spraying Methods 0.000 description 8
- 238000009210 therapy by ultrasound Methods 0.000 description 8
- 238000001238 wet grinding Methods 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 239000004744 fabric Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 238000007664 blowing Methods 0.000 description 4
- VYFYYTLLBUKUHU-UHFFFAOYSA-N dopamine Chemical compound NCCC1=CC=C(O)C(O)=C1 VYFYYTLLBUKUHU-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000007888 film coating Substances 0.000 description 3
- 238000009501 film coating Methods 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 239000011147 inorganic material Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical group [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000004594 Masterbatch (MB) Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 229960003638 dopamine Drugs 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- AOJJSUZBOXZQNB-VTZDEGQISA-N 4'-epidoxorubicin Chemical group O([C@H]1C[C@@](O)(CC=2C(O)=C3C(=O)C=4C=CC=C(C=4C(=O)C3=C(O)C=21)OC)C(=O)CO)[C@H]1C[C@H](N)[C@@H](O)[C@H](C)O1 AOJJSUZBOXZQNB-VTZDEGQISA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- MAZJFWHKKPFVND-UHFFFAOYSA-N aluminum propan-2-ol propan-2-olate Chemical compound [Al+3].CC(C)O.CC(C)[O-].CC(C)[O-].CC(C)[O-] MAZJFWHKKPFVND-UHFFFAOYSA-N 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- DLINORNFHVEIFE-UHFFFAOYSA-N hydrogen peroxide;zinc Chemical compound [Zn].OO DLINORNFHVEIFE-UHFFFAOYSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical group [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- LLZRNZOLAXHGLL-UHFFFAOYSA-J titanic acid Chemical compound O[Ti](O)(O)O LLZRNZOLAXHGLL-UHFFFAOYSA-J 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
-
- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/14—Copolymers of propene
-
- 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
- C08J2467/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
-
- 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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
- 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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
- C08K9/10—Encapsulated ingredients
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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)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to the technical field of laminating, and particularly relates to a preparation method of a special laminating color master batch for outdoor tarpaulin, which provides that the color master batch comprises the following components in percentage by mass: 40-80 parts of polypropylene resin, 20-30 parts of filler, 5-10 parts of dopamine hydrochloride, 5-10 parts of dispersing agent, 10-20 parts of polylactic acid, 8-15 parts of flame retardant, 2-5 parts of coupling agent and 2-4 parts of stabilizer, and further provides a preparation method of the color master batch. The invention solves the defects of the existing laminating color master batch, effectively improves the mechanical property and the processability of the laminating film by utilizing the tensile strength and the ductility of the polylactic acid, and simultaneously improves the problems of hard hand feeling and poor comfort of the laminating film.
Description
Technical Field
The invention belongs to the technical field of laminating, and particularly relates to a preparation method of a special laminating color master batch for outdoor tarpaulin.
Background
Tarpaulin is also known as tarpaulin, waterproof cloth, tarpaulin and tarpaulin, and the fabric is firm and folding resistant, has good waterproof performance, and is widely used for covering of automobile transportation and open-air warehouses, tent building in the field and the like. The traditional tarpaulin has a simple structure and is not protected by a plastic layer, so that the tarpaulin has poor performances of water resistance, mildew resistance, cold resistance, aging resistance and the like, and is difficult to meet the outdoor use requirement. To solve the problem, upgrading products such as PVC canvas, TPU tarpaulin, knife scraping cloth, biaxial cloth, plastic-coated cloth and the like appear in the market. With the development of the technology, the coating is tasteless, nontoxic, wear-resistant and rubbing-resistant, can be used for tarpaulin in various ecological or physical and chemical environments such as infrared rays, ultraviolet rays, laser or wind, frost, rain, snow, acid and alkali for a long time, and the like, but the coating has the problems of hard hand feeling and poor comfort, and is difficult to meet the requirements of the tarpaulin. Therefore, the market urgently needs a laminating material with good hand feeling and high comfort level.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a preparation method of a special laminating color master batch for outdoor tarpaulin, which solves the defects of the existing laminating color master batch, effectively improves the mechanical property and the processability of a laminating film by utilizing the tensile strength and the extensibility of polylactic acid, and simultaneously improves the problems of hard hand feeling and poor comfort of the laminating film.
In order to achieve the technical purpose, the technical scheme of the invention is as follows:
a preparation method of special laminating color master batch for outdoor tarpaulin comprises the following steps:
40-80 parts of polypropylene resin, 20-30 parts of filler, 5-10 parts of dopamine hydrochloride, 5-10 parts of dispersant, 10-20 parts of polylactic acid, 8-15 parts of flame retardant, 2-5 parts of coupling agent and 2-4 parts of stabilizer.
The polypropylene resin is a composite polypropylene resin formed by combining co-polypropylene and homo-polypropylene, the mass ratio of the co-polypropylene to the homo-polypropylene is 2:3-5, the co-polypropylene and the homo-polypropylene both use polypropylene as base materials, certain performance difference exists, and the combination of the co-polypropylene and the homo-polypropylene has good compatibility and forms performance complementation.
The filler adopts a titanium dioxide-zinc oxide composite system, the molar ratio of the titanium dioxide to the zinc oxide is 2-3:1, the titanium dioxide and the zinc oxide both adopt nano-scale materials, the filler has good filler effect, and the surfaces of the titanium dioxide and the zinc oxide have active hydroxyl groups which are stably connected with resin, so that the curing effect of the filler is greatly improved, and the problem of filler falling off is prevented; be used for outdoor tarpaulin based on masterbatch, very easily contact the sunlight in service environment, zinc dioxide and zinc oxide can arrive the effect of shielding the ultraviolet light, but the zinc oxide is extremely easy to arouse, cause the inside impaired of drenching the membrane that the masterbatch formed, therefore, titanium dioxide wraps up the zinc oxide with the mode of shielding agent, and form heterojunction structure, make the quick transmission of active group on zinc oxide surface, reduce the influence of zinc oxide, zinc oxide is subject to the parcel of titanium dioxide simultaneously, self exposure has been reduced, greatly reduced the activity excitation of zinc oxide under the illumination. The preparation method of the titanium dioxide-zinc oxide composite system comprises the following steps: 1, dissolving zinc chloride in glycerol, stirring uniformly until the zinc chloride is completely dissolved, slowly adding sodium hydroxide for ultrasonic dispersion for 20-30min, carrying out centrifugal filtration and washing with ethanol to obtain nano zinc hydroxide, wherein the concentration of the zinc chloride in the glycerol is 100-200g/L, the molar weight of the sodium hydroxide is 200-210% of that of the zinc chloride, the ultrasonic frequency of the ultrasonic dispersion is 50-60kHz, and the temperature is 40-60 ℃; in the process, zinc chloride and sodium hydroxide are converted into zinc hydroxide, and simultaneously sodium chloride is formed as an impurity, in order to solve the problem of the impurity of the zinc chloride, glycerol is used as a solvent, so that the zinc chloride and the sodium hydroxide can be dissolved, and the sodium chloride can be dissolved, therefore, the zinc hydroxide is used as a precipitate in the process, the sodium hydroxide can be ensured to be uniformly dispersed into the glycerol based on batch addition and ultrasonic dispersion of the sodium hydroxide, and the nano zinc hydroxide can be stably formed by matching with the viscosity of the glycerol so as to prevent the sodium hydroxide from agglomerating; a2, adding nano zinc hydroxide into n-butyl titanate, homogenizing and stirring to form slurry, then pouring into a mortar for fully mixing and wet grinding for 10min to obtain coated zinc hydroxide, wherein the molar ratio of the zinc hydroxide to the n-butyl titanate is 1:2-3, and the wet grinding temperature is 40-50 ℃; a3, spraying the zinc hydroxide coated with the film into a water-containing reaction kettle for reaction for 20-30min, and then purging for 3-4h to obtain a prefabricated zinc oxide-titanium dioxide composite system; the atmosphere of the water-containing reaction kettle is a water-nitrogen mixed atmosphere, the volume ratio of water is 5-7%, and the reaction temperature is 90-100 ℃; the blowing treatment adopts dry nitrogen, and the temperature of the nitrogen is 130-170 ℃; in the step, the coating zinc hydroxide forms hydrolysis reaction in the water-containing atmosphere of the reaction kettle, is converted into titanic acid coating zinc hydroxide, and is gradually converted into zinc oxide and titanium dioxide in the purging treatment, and the zinc hydroxide forms water molecules inside and releases the water molecules from inside to outside to achieve the complete hydrolysis of the n-butyl titanate; a4, performing microwave reaction on the prefabricated zinc oxide-titanium dioxide complex system in a reaction kettle for 2-4h to obtain the zinc oxide-titanium dioxide complex, wherein the temperature of the microwave reaction is 180-200 ℃, and the microwave power is 300-500W. The process promotes the zinc hydroxide and the n-butyl titanate to be fully mixed by utilizing a grinding coating mode, so that the surface coating effect is realized, the zinc hydroxide and the n-butyl titanate are converted into a zinc oxide and titanium oxide structure in hydrolysis reaction and blowing reaction, the active connection of the zinc oxide and the titanium dioxide can be formed based on the early-stage coating effect, the activity of the zinc oxide and the titanium dioxide is rapidly increased in further microwave treatment, the bonding of the zinc oxide and the titanium dioxide is promoted, and the heterojunction structure is formed. The zinc oxide-titanium dioxide heterojunction structure not only maintains the function of the nano filler, but also has good ultraviolet shielding performance on titanium dioxide and zinc oxide, improves the light stability, and reduces the problem of zinc oxide light dissolution by utilizing the heterojunction structure.
The polydopamine is formed by self-polymerization of dopamine hydrochloride. The polydopamine has good adhesion and can be adhered to the surfaces of different inorganic, organic or biological materials, and in the proportion, the polydopamine forms a stable connection effect on raw materials, so that an inorganic system of the filler and the flame retardant is promoted to be stably solidified in color master batches, and the problems of layering, frosting, patterns and the like are reduced; and secondly, the polydopamine has good stability, can absorb active substances to form oxidative self-polymerization, can synergistically promote the effect by matching with the filler, promotes the conversion of dopamine to the polydopamine, and simultaneously promotes the curing connection of the filler and the organic resin.
The dispersing agent is a mixture of heavy calcium carbonate and stearic acid amide, and the mass ratio of the heavy calcium carbonate to the stearic acid amide is 1-2: 4. The stearic acid amide not only has a good dispersing effect and improves the integral dispersibility, but also has good lubricating property and demolding property, plays a role of a tapping agent and provides convenience for subsequent film forming treatment. The heavy calcium carbonate has the characteristics of soft quality and good dispersibility, can be uniformly distributed in the stearic acid amide, cannot influence the whole color master batch, and can be used as a filler to reduce the use of hard fillers.
The polylactic acid has good mechanical property and physical property, greatly improves the processing property of the color master batch, has the best tensile strength and ductility, improves the defects of polypropylene in temperature resistance, weather resistance and hand feeling, and also improves the problems of hard hand feeling and poor comfort of the laminating film.
The flame retardant is an aluminum composite flame retardant, the aluminum composite flame retardant is composed of aluminum oxide and aluminum hydroxide, and the aluminum oxide is wrapped by the aluminum hydroxide. The aluminum hydroxide has good flame retardance and can be used as a flame retardant material, but the aluminum hydroxide belongs to a covalent bond, the heat conducting property is general, local high heat is easy to generate, the temperature is caused to be over-expanded, the aluminum oxide serves as a core and plays a role in quickly transferring heat, the single aluminum hydroxide is subjected to flame retardance and is converted into regional protection, and the effect of dispersing heat is achieved. The preparation method of the aluminum composite flame retardant comprises the following steps: b1, adding aluminum hydroxide into a mortar for constant-temperature grinding for 2-3h to obtain fine powder, wherein the constant-temperature grinding temperature is 180-190 ℃, and the grinding pressure is 0.3-0.5MPa, and the grinding treatment not only converts the aluminum hydroxide into active aluminum oxide, but also completely crushes the aluminum hydroxide in the grinding process to form stable and dispersed fine powder; b2, adding aluminum isopropoxide into isopropanol, uniformly stirring to form a dissolved solution, then adding fine powder into the dissolved solution, performing ultrasonic treatment for 20-40min, filtering and drying to obtain coated fine powder, wherein the mass ratio of the aluminum isopropoxide to the isopropanol is 2:5-7, the stirring speed is 100-200r/min, the concentration of the fine powder in the dissolved solution is 20-30g/L, the ultrasonic treatment temperature is 50-80 ℃, the ultrasonic frequency is 50-80kHz, and the drying temperature is 80-85 ℃; b3, spraying the film coating fine powder into the reaction kettle, ventilating and purging for 2-3h, and then carrying out secondary nitrogen purging treatment for 3-5h to obtain the aluminum hydroxide coated aluminum oxide, namely the aluminum composite flame retardant, wherein the ventilating and purging adopt nitrogen containing water vapor, the volume ratio of the water vapor to the nitrogen is 1:20-30, the temperature is 80-90 ℃, and the nitrogen purging adopts dry nitrogen, and the temperature is 120-140 ℃. The process directly converts aluminum hydroxide into an active aluminum oxide structure by using a mode of combining heating decomposition and ball milling dispersion phase, and adsorbs the aluminum hydroxide in an aluminum isopropoxide-isopropanol solution by ultrasonic waves, and based on homogenization of aluminum ions, the aluminum isopropoxide is adsorbed on the surface of the active aluminum oxide to form a liquid film; meanwhile, the liquid film is formed, so that the self-polymerization phenomenon of the activated alumina is effectively prevented, and the aluminum material with good dispersity is obtained.
The coupling agent adopts monoalkoxy titanate.
The stabilizer is polyester wax.
The preparation method of the color master batch comprises the following steps:
step 1, adding dopamine hydrochloride into ethanol, stirring uniformly at 50-60 ℃ to form dissolution, adding a filler and a flame retardant, continuously stirring for 20-30min, drying, and carrying out self-polymerization reaction in an alkaline humid environment to obtain a coated filler and a coated flame retardant, wherein the humidity in the alkaline humid environment is 10%, the alkaline pH is 8.5, the temperature is 60-70 ℃, and in the environment, the dopamine hydrochloride can form a surface liquid film, and the liquid film is alkaline, so that the dopamine hydrochloride can form self-polymerization reaction.
Step 2, uniformly mixing the polypropylene resin, the polylactic acid, the coating filler and the coating flame retardant, and then adding the dispersant, the flame retardant and the stabilizer to stir at a high speed for 2-3 hours to obtain a mixture;
step 3, plasticizing and extruding the mixture by using a screw extruder, wherein the extruder adopts 5 temperature zones, and the temperature is 170 ℃, 180 ℃, 190 ℃;
and 4, cooling the extrudate and then granulating to obtain the color master batch.
From the above description, it can be seen that the present invention has the following advantages:
1. the invention solves the defects of the existing laminating color master batch, effectively improves the mechanical property and the processability of the laminating film by utilizing the tensile strength and the ductility of the polylactic acid, and simultaneously improves the problems of hard hand feeling and poor comfort of the laminating film.
2. The invention introduces polydopamine into the color master batch, ensures the stable connection between inorganic materials and organic resin by utilizing the excellent adhesiveness of the polydopamine, and simultaneously, the coupling agent is matched to stably solidify inactive inorganic materials such as calcium carbonate and the like, thereby realizing the effect of uniform inside and outside; meanwhile, the long-acting property in the color master batch is ensured by the self-characteristic of the polydopamine, and the dopamine in the matching process preferentially wraps the flame retardant and the filler, so that the activity of the filler and the particles in the flame retardant is effectively reduced, and the service life of the color master batch is prolonged.
3. The polydopamine is provided with a large amount of hydroxyl and amino, belongs to a good secondary reaction system, and achieves multidirectional chemical bonding in the subsequent mixing process, so that the stability of the color master batch is improved.
Detailed Description
The present invention is described in detail with reference to examples, but the present invention is not limited to the claims.
Example 1
A preparation method of special laminating color master batch for outdoor tarpaulin comprises the following steps:
40 parts of polypropylene resin, 20 parts of filler, 5 parts of dopamine hydrochloride, 5 parts of dispersant, 10-20 parts of polylactic acid, 8 parts of flame retardant, 2 parts of coupling agent and 2 parts of stabilizer.
The polypropylene resin is a composite polypropylene resin formed by combining co-polypropylene and homo-polypropylene, and the mass ratio of the co-polypropylene to the homo-polypropylene is 2: 3.
The filler adopts a titanium dioxide-zinc oxide composite system, and the molar ratio of the titanium dioxide to the zinc oxide is 2: 1. The preparation method of the titanium dioxide-zinc oxide composite system comprises the following steps: 1, dissolving zinc chloride in glycerol, stirring uniformly until the zinc chloride is completely dissolved, slowly adding sodium hydroxide, performing ultrasonic dispersion for 20min, performing centrifugal filtration, and washing with ethanol to obtain nano zinc hydroxide, wherein the concentration of the zinc chloride in the glycerol is 100g/L, the molar weight of the sodium hydroxide is 200% of that of the zinc chloride, the ultrasonic frequency of the ultrasonic dispersion is 50kHz, and the temperature is 40 ℃; a2, adding nano zinc hydroxide into n-butyl titanate, homogenizing and stirring to form slurry, then pouring into a mortar for fully mixing and wet grinding for 10min to obtain coated zinc hydroxide, wherein the molar ratio of the zinc hydroxide to the n-butyl titanate is 1:2, and the wet grinding temperature is 40 ℃; a3, spraying the coated zinc hydroxide into a water-containing reaction kettle for reaction for 20min, and then purging for 3h to obtain a prefabricated zinc oxide-titanium dioxide composite system; the atmosphere of the water-containing reaction kettle is a water-nitrogen mixed atmosphere, the volume of water accounts for 5%, and the reaction temperature is 90 ℃; the blowing treatment adopts dry nitrogen, and the temperature of the nitrogen is 130 ℃; a4, performing microwave reaction on the prefabricated zinc oxide-titanium dioxide complex system in a reaction kettle for 2 hours to obtain the zinc oxide-titanium dioxide complex, wherein the temperature of the microwave reaction is 180 ℃, and the microwave power is 300W.
The dispersing agent is a mixture of heavy calcium carbonate and stearic acid amide, and the mass ratio of the heavy calcium carbonate to the stearic acid amide is 1: 4.
The preparation method of the aluminum-based composite flame retardant comprises the following steps: b1, adding aluminum hydroxide into a mortar, and grinding at the constant temperature of 180 ℃ for 2h to obtain fine powder, wherein the grinding pressure is 0.3 MPa; b2, adding aluminum isopropoxide into isopropanol, uniformly stirring to form a dissolved solution, then adding fine powder into the dissolved solution, performing ultrasonic treatment for 20min, filtering and drying to obtain coated fine powder, wherein the mass ratio of the aluminum isopropoxide to the isopropanol is 2:5, the stirring speed is 100r/min, the concentration of the fine powder in the dissolved solution is 20g/L, the ultrasonic treatment temperature is 50 ℃, the ultrasonic frequency is 50kHz, and the drying temperature is 80 ℃; 3, spraying the coating fine powder into the reaction kettle, ventilating and purging for 2 hours, and then performing secondary nitrogen purging treatment for 3 hours to obtain the aluminum hydroxide coated aluminum oxide, namely the aluminum composite flame retardant, wherein the ventilating and purging adopt nitrogen containing water vapor, the volume ratio of the water vapor to the nitrogen is 1:20, the temperature is 80 ℃, and the nitrogen purging adopts dry nitrogen, and the temperature is 120 ℃.
The coupling agent adopts monoalkoxy titanate.
The stabilizer is polyester wax.
The preparation method of the color master batch comprises the following steps:
step 1, adding dopamine hydrochloride into ethanol, uniformly stirring at 50 ℃ to form a solution, adding a filler and a flame retardant, continuously stirring for 20min, drying, and performing self-polymerization reaction in an alkaline humid environment to obtain a coated filler and a coated flame retardant, wherein the humidity in the alkaline humid environment is 10%, the alkaline pH is 8.5, and the temperature is 60 ℃;
step 2, uniformly mixing the polypropylene resin, the polylactic acid, the coating filler and the coating flame retardant, adding the dispersant, the flame retardant and the stabilizer, and stirring at a high speed for 2 hours to obtain a mixture;
step 3, plasticizing and extruding the mixture by using a screw extruder, wherein the extruder adopts 5 temperature zones, and the temperature is 170 ℃, 180 ℃, 190 ℃;
and 4, cooling the extrudate and then granulating to obtain the color master batch.
Through detection, the color master batch prepared in the embodiment has the limiting oxygen index of 31%, the vertical burning grade of V-0 grade, the heat-resistant temperature of 337 ℃, no precipitation on the surface after being boiled in boiling water for 48 hours, and no reduction of the limiting oxygen index after being continuously baked at 120 ℃ for 150 hours. The color master batch has smooth appearance, no obvious color difference and no particle adhesion.
Example 2
A preparation method of special laminating color master batch for outdoor tarpaulin comprises the following steps:
80 parts of polypropylene resin, 30 parts of filler, 10 parts of dopamine hydrochloride, 10 parts of dispersant, 20 parts of polylactic acid, 15 parts of flame retardant, 5 parts of coupling agent and 4 parts of stabilizer.
The polypropylene resin is a composite polypropylene resin formed by combining co-polypropylene and homo-polypropylene, and the mass ratio of the co-polypropylene to the homo-polypropylene is 2: 5.
The filler adopts a titanium dioxide-zinc oxide composite system, and the molar ratio of the titanium dioxide to the zinc oxide is 23: 1. The preparation method of the titanium dioxide-zinc oxide composite system comprises the following steps: 1, dissolving zinc chloride in glycerol, stirring uniformly until the zinc chloride is completely dissolved, slowly adding sodium hydroxide, performing ultrasonic dispersion for 30min, performing centrifugal filtration, and washing with ethanol to obtain nano zinc hydroxide, wherein the concentration of the zinc chloride in the glycerol is 200g/L, the molar weight of the sodium hydroxide is 210% of that of the zinc chloride, the ultrasonic frequency of the ultrasonic dispersion is 60kHz, and the temperature is 60 ℃; a2, adding nano zinc hydroxide into n-butyl titanate, homogenizing and stirring to form slurry, then pouring into a mortar for fully mixing and wet grinding for 10min to obtain coated zinc hydroxide, wherein the molar ratio of the zinc hydroxide to the n-butyl titanate is 1:3, and the wet grinding temperature is 50 ℃; a3, spraying the coated zinc hydroxide into a water-containing reaction kettle for reaction for 30min, and then purging for 4h to obtain a prefabricated zinc oxide-titanium dioxide composite system; the atmosphere of the water-containing reaction kettle is a water-nitrogen mixed atmosphere, the volume ratio of water is 7%, and the reaction temperature is 100 ℃; the blowing treatment adopts dry nitrogen, and the temperature of the nitrogen is 170 ℃; a4, performing microwave reaction on the prefabricated zinc oxide-titanium dioxide complex system in a reaction kettle for 4 hours to obtain the zinc oxide-titanium dioxide complex, wherein the temperature of the microwave reaction is 200 ℃, and the microwave power is 500W.
The dispersing agent is a mixture of heavy calcium carbonate and stearic acid amide, and the mass ratio of the heavy calcium carbonate to the stearic acid amide is 2: 4.
The preparation method of the aluminum-based composite flame retardant comprises the following steps: b1, adding aluminum hydroxide into a mortar, and grinding at the constant temperature of 190 ℃ for 3h to obtain fine powder, wherein the grinding pressure is 0.5 MPa; b2, adding aluminum isopropoxide into isopropanol, uniformly stirring to form a dissolved solution, then adding fine powder into the dissolved solution, performing ultrasonic treatment for 40min, filtering and drying to obtain coated fine powder, wherein the mass ratio of the aluminum isopropoxide to the isopropanol is 2:7, the stirring speed is 200r/min, the concentration of the fine powder in the dissolved solution is 30g/L, the ultrasonic treatment temperature is 80 ℃, the ultrasonic frequency is 80kHz, and the drying temperature is 85 ℃; b3, spraying the film coating fine powder into the reaction kettle, ventilating and purging for 3 hours, and then carrying out secondary nitrogen purging treatment for 5 hours to obtain the aluminum hydroxide coated aluminum oxide, namely the aluminum composite flame retardant, wherein the ventilating and purging adopt nitrogen containing water vapor, the volume ratio of the water vapor to the nitrogen is 1:30, the temperature is 90 ℃, and the nitrogen purging adopts dry nitrogen, and the temperature is 140 ℃.
The coupling agent adopts monoalkoxy titanate.
The stabilizer is polyester wax.
The preparation method of the color master batch comprises the following steps:
step 1, adding dopamine hydrochloride into ethanol, uniformly stirring at 60 ℃ to form a solution, adding a filler and a flame retardant, continuously stirring for 30min, drying, and performing self-polymerization reaction in an alkaline humid environment to obtain a coated filler and a coated flame retardant, wherein the humidity in the alkaline humid environment is 10%, the alkaline pH is 8.5, and the temperature is 70 ℃;
step 2, uniformly mixing the polypropylene resin, the polylactic acid, the coating filler and the coating flame retardant, and then adding the dispersant, the flame retardant and the stabilizer to stir at a high speed for 3 hours to obtain a mixture;
step 3, plasticizing and extruding the mixture by using a screw extruder, wherein the extruder adopts 5 temperature zones, and the temperature is 170 ℃, 180 ℃, 190 ℃;
and 4, cooling the extrudate and then granulating to obtain the color master batch.
Through detection, the color master batch prepared in the embodiment has the limiting oxygen index of 32%, the vertical burning grade of V-0 grade, the heat-resistant temperature of 345 ℃, no precipitation on the surface after being boiled in boiling water for 48 hours, and the limiting oxygen index does not decrease after being continuously baked at 120 ℃ for 150 hours. The color master batch has smooth appearance, no obvious color difference and no particle adhesion.
Example 3
A preparation method of special laminating color master batch for outdoor tarpaulin comprises the following steps:
60 parts of polypropylene resin, 25 parts of filler, 8 parts of dopamine hydrochloride, 7 parts of dispersant, 15 parts of polylactic acid, 10 parts of flame retardant, 4 parts of coupling agent and 3 parts of stabilizer.
The polypropylene resin is a composite polypropylene resin formed by combining co-polypropylene and homo-polypropylene, and the mass ratio of the co-polypropylene to the homo-polypropylene is 2: 4.
The filler adopts a titanium dioxide-zinc oxide composite system, and the molar ratio of the titanium dioxide to the zinc oxide is 2: 1. The preparation method of the titanium dioxide-zinc oxide composite system comprises the following steps: a1, dissolving zinc chloride in glycerol, stirring uniformly until the zinc chloride is completely dissolved, slowly adding sodium hydroxide, performing ultrasonic dispersion for 25min, performing centrifugal filtration, and washing with ethanol to obtain nano zinc hydroxide, wherein the concentration of the zinc chloride in the glycerol is 150g/L, the molar weight of the sodium hydroxide is 205% of that of the zinc chloride, the ultrasonic frequency of the ultrasonic dispersion is 55kHz, and the temperature is 50 ℃; a2, adding nano zinc hydroxide into n-butyl titanate, homogenizing and stirring to form slurry, then pouring into a mortar for fully mixing and wet grinding for 10min to obtain coated zinc hydroxide, wherein the molar ratio of the zinc hydroxide to the n-butyl titanate is 1:2, and the wet grinding temperature is 45 ℃; a3, spraying the coated zinc hydroxide into a water-containing reaction kettle for reaction for 25min, and then purging for 3-4h to obtain a prefabricated zinc oxide-titanium dioxide composite system; the atmosphere of the water-containing reaction kettle is a water-nitrogen mixed atmosphere, the volume ratio of water is 6%, and the reaction temperature is 95 ℃; the purging treatment adopts dry nitrogen, and the temperature of the nitrogen is 160 ℃; a4, performing microwave reaction on the prefabricated zinc oxide-titanium dioxide complex system in a reaction kettle for 3 hours to obtain the zinc oxide-titanium dioxide complex, wherein the temperature of the microwave reaction is 190 ℃, and the microwave power is 400W.
The dispersing agent is a mixture of heavy calcium carbonate and stearic acid amide, and the mass ratio of the heavy calcium carbonate to the stearic acid amide is 1: 4.
The preparation method of the aluminum-based composite flame retardant comprises the following steps: b1, adding aluminum hydroxide into a mortar, and grinding at the constant temperature of 185 ℃ for 3 hours to obtain fine powder, wherein the grinding pressure is 0.4 MPa; b2, adding aluminum isopropoxide into isopropanol, uniformly stirring to form a dissolved solution, then adding fine powder into the dissolved solution, performing ultrasonic treatment for 30min, filtering and drying to obtain coated fine powder, wherein the mass ratio of the aluminum isopropoxide to the isopropanol is 2:6, the stirring speed is 150r/min, the concentration of the fine powder in the dissolved solution is 25g/L, the ultrasonic treatment temperature is 70 ℃, the ultrasonic frequency is 70kHz, and the drying temperature is 83 ℃; b3, spraying the film coating fine powder into the reaction kettle, ventilating and purging for 3 hours, and then carrying out secondary nitrogen purging treatment for 4 hours to obtain the aluminum hydroxide coated aluminum oxide, namely the aluminum composite flame retardant, wherein the ventilating and purging adopt nitrogen containing water vapor, the volume ratio of the water vapor to the nitrogen is 1:25, the temperature is 85 ℃, and the nitrogen purging adopts dry nitrogen, and the temperature is 130 ℃.
The coupling agent adopts mono-alkoxy titanate.
The stabilizer is polyester wax.
The preparation method of the color master batch comprises the following steps:
step 1, adding dopamine hydrochloride into ethanol, uniformly stirring at 55 ℃ to form a solution, adding a filler and a flame retardant, continuously stirring for 25min, drying, and performing self-polymerization reaction in an alkaline humid environment to obtain a coated filler and a coated flame retardant, wherein the humidity in the alkaline humid environment is 10%, the alkaline pH is 8.5, and the temperature is 65 ℃;
step 2, uniformly mixing the polypropylene resin, the polylactic acid, the coating filler and the coating flame retardant, and then adding the dispersant, the flame retardant and the stabilizer to stir at a high speed for 3 hours to obtain a mixture;
step 3, plasticizing and extruding the mixture by using a screw extruder, wherein the extruder adopts 5 temperature zones, and the temperature is 170 ℃, 180 ℃, 190 ℃;
and 4, cooling the extrudate and granulating to obtain the color master batch.
Through detection, the color master batch prepared in the embodiment has the limiting oxygen index of 31 percent, the vertical combustion grade of V-0 grade, the heat-resistant temperature of 342 ℃, no precipitation on the surface after being boiled in boiling water for 48 hours, and no reduction of the limiting oxygen index after being continuously baked at 120 ℃ for 150 hours. The color master batch has smooth appearance, no obvious color difference and no particle adhesion.
It should be understood that the detailed description of the invention is merely illustrative of the invention and is not intended to limit the invention to the specific embodiments described. It will be appreciated by those skilled in the art that the present invention may be modified or substituted equally as well to achieve the same technical result; as long as the use requirements are met, the method is within the protection scope of the invention.
Claims (9)
1. A preparation method of special laminating color master batch for outdoor tarpaulin is characterized by comprising the following steps: the preparation method comprises the following steps of:
40-80 parts of polypropylene resin, 20-30 parts of filler, 5-10 parts of dopamine hydrochloride, 5-10 parts of dispersant, 10-20 parts of polylactic acid, 8-15 parts of flame retardant, 2-5 parts of coupling agent and 2-4 parts of stabilizer.
2. The preparation method of the special laminating color master batch for outdoor tarpaulin of claim 1, wherein the color master batch comprises the following steps: the polypropylene resin is a composite polypropylene resin formed by combining co-polypropylene and homo-polypropylene, and the mass ratio of the co-polypropylene to the homo-polypropylene is 2: 3-5.
3. The preparation method of the special laminating color master batch for outdoor tarpaulin of claim 1, wherein the color master batch comprises the following steps: the filler adopts a titanium dioxide-zinc oxide composite system, and the molar ratio of the titanium dioxide to the zinc oxide is 2-3: 1.
4. The preparation method of the special laminating color master batch for outdoor tarpaulin of claim 1, wherein the color master batch comprises the following steps: the dispersing agent is a mixture of heavy calcium carbonate and stearic acid amide, and the mass ratio of the heavy calcium carbonate to the stearic acid amide is 1-2: 4.
5. The preparation method of the special laminating color master batch for outdoor tarpaulin of claim 1, wherein the color master batch comprises the following steps: the flame retardant is an aluminum-series composite flame retardant, the aluminum-series composite flame retardant is composed of aluminum oxide and aluminum hydroxide, and the aluminum oxide is wrapped by the aluminum hydroxide.
6. The preparation method of the special laminating color master batch for outdoor tarpaulin of claim 1, wherein the color master batch comprises the following steps: the coupling agent adopts monoalkoxy titanate.
7. The preparation method of the special laminating color master batch for outdoor tarpaulin of claim 1, wherein the color master batch comprises the following steps: the stabilizer is polyester wax.
8. The preparation method of the special laminating color master batch for outdoor tarpaulin of claim 1, wherein the color master batch comprises the following steps: the preparation method of the color master batch comprises the following steps:
step 1, adding dopamine hydrochloride into ethanol, uniformly stirring at 50-60 ℃ to form a solution, adding a filler and a flame retardant, continuously stirring for 20-30min, drying, and performing self-polymerization reaction in an alkaline humid environment to obtain a coated filler and a coated flame retardant;
step 2, uniformly mixing the polypropylene resin, the polylactic acid, the coating filler and the coating flame retardant, and then adding the dispersant, the flame retardant and the stabilizer to stir at a high speed for 2-3 hours to obtain a mixture;
step 3, plasticizing and extruding the mixture by using a screw extruder, wherein the extruder adopts 5 temperature zones, and the temperature is 170 ℃, 180 ℃, 190 ℃;
and 4, cooling the extrudate and then granulating to obtain the color master batch.
9. The preparation method of the special laminating color master batch for outdoor tarpaulin of claim 8, wherein the color master batch comprises the following steps: the humidity in the alkaline humid environment in the step 1 is 10%, the pH of the alkaline environment is 8.5, and the temperature is 60-70 ℃.
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| CN114573917B (en) | 2024-06-07 |
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