CN115975287B - Enhanced high-weather-resistance color master batch and preparation method thereof - Google Patents
Enhanced high-weather-resistance color master batch and preparation method thereof Download PDFInfo
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- 239000004595 color masterbatch Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title description 12
- CERQOIWHTDAKMF-UHFFFAOYSA-N alpha-methacrylic acid Natural products CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims abstract description 59
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 23
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 20
- 239000004014 plasticizer Substances 0.000 claims abstract description 13
- -1 polypropylene Polymers 0.000 claims description 19
- 239000004743 Polypropylene Substances 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 16
- 229920001155 polypropylene Polymers 0.000 claims description 16
- 229920005989 resin Polymers 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 8
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical group CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims description 8
- 230000004048 modification Effects 0.000 claims description 7
- 238000012986 modification Methods 0.000 claims description 7
- HCILJBJJZALOAL-UHFFFAOYSA-N 3-(3,5-ditert-butyl-4-hydroxyphenyl)-n'-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyl]propanehydrazide Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)NNC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 HCILJBJJZALOAL-UHFFFAOYSA-N 0.000 claims description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 6
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 6
- 229920000459 Nitrile rubber Polymers 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
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- 239000002994 raw material Substances 0.000 claims description 5
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- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- QSRJVOOOWGXUDY-UHFFFAOYSA-N 2-[2-[2-[3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propanoyloxy]ethoxy]ethoxy]ethyl 3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C)=CC(CCC(=O)OCCOCCOCCOC(=O)CCC=2C=C(C(O)=C(C)C=2)C(C)(C)C)=C1 QSRJVOOOWGXUDY-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000004709 Chlorinated polyethylene Substances 0.000 claims description 3
- 244000248349 Citrus limon Species 0.000 claims description 3
- 235000005979 Citrus limon Nutrition 0.000 claims description 3
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 3
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 3
- BZDKYAZTCWRUDZ-UHFFFAOYSA-N buta-1,3-diene;methyl 2-methylprop-2-enoate;prop-2-enenitrile;styrene Chemical compound C=CC=C.C=CC#N.COC(=O)C(C)=C.C=CC1=CC=CC=C1 BZDKYAZTCWRUDZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 3
- 229920012128 methyl methacrylate acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 238000006735 epoxidation reaction Methods 0.000 claims description 2
- 239000001038 titanium pigment Substances 0.000 claims description 2
- 230000000052 comparative effect Effects 0.000 description 7
- 239000004594 Masterbatch (MB) Substances 0.000 description 6
- 230000005012 migration Effects 0.000 description 5
- 238000013508 migration Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
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- 239000003086 colorant Substances 0.000 description 2
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- 239000004033 plastic Substances 0.000 description 2
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
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- 229910052739 hydrogen Inorganic materials 0.000 description 1
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
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- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
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Abstract
The invention discloses an enhanced high-weather-resistance color master batch which comprises the following components in parts by weight: 30-70 parts of carrier, 0.1-5 parts of antioxidant, 0.5-10 parts of plasticizer and 10-30 parts of modified toner; wherein the modified toner is modified by (methyl) acrylic acid modified epoxidized organosilicon and carbon quantum dots, and the mass ratio of the toner to the (methyl) acrylic acid modified epoxidized organosilicon and carbon quantum dots is 100: 2-30: 0.5 to 10. The enhanced high-weather-resistance color master batch is obtained by modifying the (methyl) acrylic acid modified epoxidized organosilicon and the carbon quantum dots.
Description
Technical Field
The invention relates to the technical field of masterbatch production, in particular to an enhanced high-weather-resistance masterbatch and a preparation method thereof.
Background
Silica gel and products thereof are widely applied to constructional engineering, electronic and electric appliance keys, automobile protective covers, baby nipples, rubber tubes, face masks and the like, and generally, according to the functions and application characteristics of products, different colors are required to be endowed to the silica gel and products thereof, and the main functional raw materials for endowing the required colors are toner or color paste. In the current industrial production technology, raw rubber or silicone oil is adopted to directly mix with toner for coloring silica gel and products thereof, and the processes of kneading, mixing, high-speed dispersing and the like are adopted to color the silica gel and the products thereof, but the problems of uneven toner dispersion, easy layering, precipitation and the like exist, and particularly, the plasticizer for domestic production of the rubber is mainly white oil or methyl silicone oil, but the toner contains polar groups such as hydroxyl, carbonyl, amino or cyano and the like, the dispersibility and the compatibility of nonpolar white oil or methyl silicone oil are poor, and the problems are more prominent under the low-temperature condition.
In addition, the low temperature weather resistance of the toner and its products is poor. For example, CN110066480B discloses a method for improving the weather resistance, mechanical properties and optical properties of PVC electrical bushings by adding color master batches, which has the advantages of low cost, high color master batch coloring carrier content, low pigment content, reduced weather resistance of products, and stress whitening phenomenon during bending.
Therefore, how to improve the low temperature weather resistance of the toner and its products and the color fastness of the toner are the problems to be solved.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an enhanced high-weather-resistance color master batch, which is modified and optimized to obtain the toner with improved low-temperature weather resistance and color fastness.
The invention also aims at providing a preparation method of the enhanced high-weather-resistance color master batch.
In order to achieve the above object, the present invention adopts the following technical scheme:
the enhanced high-weather-resistance color master batch comprises the following components in parts by weight: 30-70 parts of carrier, 0.1-5 parts of antioxidant, 0.5-10 parts of plasticizer and 10-30 parts of modified toner;
wherein the modified toner is modified by (methyl) acrylic acid modified epoxidized organosilicon and carbon quantum dots, and the mass ratio of the toner to the (methyl) acrylic acid modified epoxidized organosilicon and carbon quantum dots is 100: 2-30: 0.5 to 10.
In a specific embodiment, the composition comprises the following components in parts by weight: 35-65 parts of carrier, 0.5-3 parts of antioxidant, 1-8 parts of plasticizer and 12-25 parts of modified toner.
In a specific embodiment, the mass ratio of toner to (meth) acrylic modified epoxidized silicone and carbon quantum dots is 100: 5-25: 1 to 8.
In a specific embodiment, the carrier is selected from one or more of PVC resin, polypropylene resin, ethylene-vinyl acetate copolymer, methyl methacrylate-acrylonitrile-butadiene-styrene, nitrile rubber, chlorinated polyethylene.
In a specific embodiment, the antioxidant is selected from one or more of antioxidant 1024, antioxidant 1330, antioxidant 1010, antioxidant 1076, antioxidant 245, antioxidant 168, antioxidant 3114.
In a specific embodiment, the plasticizer is selected from tributyl phosphate.
In a specific embodiment, the toner is selected from any one of carbon powder, titanium dioxide, iron oxide toner, or lemon yellow powder.
In a specific embodiment, the structural general formula of the (meth) acrylic-modified epoxidized organosilicon is shown in formula (1):
wherein R represents an epoxy group or a (meth) acryloyloxy group, m=1 to 100, and n=0 to 100.
In a specific embodiment, the modification step of the modified toner is: adding carbon quantum dots into the (methyl) acrylic acid modified epoxidized organosilicon, then adding toner into the mixture, stirring the mixture to react for 0.5 to 5 hours, and drying the mixture to obtain the toner modified by the (methyl) acrylic acid modified epoxidized organosilicon and the carbon quantum dots.
In another aspect of the invention, the preparation method of the enhanced high weather-resistant color master batch comprises the steps of putting the raw materials of each component into a high-speed stirrer, and stirring and mixing; and then adding the uniformly mixed materials into a double-screw extruder for melting, plasticizing, extruding and granulating to obtain the color master batch.
Compared with the prior art, the invention has the following advantages:
1) The toner is modified by adopting the (methyl) acrylic acid modified epoxidized organosilicon and the carbon quantum dots, the (methyl) acrylic acid modified epoxidized organosilicon and the polar groups on the surface of the toner form hydrogen bonds to graft the (methyl) acrylic acid modified epoxidized organosilicon macromolecules on the surface of the toner, and the carbon quantum dots are added, so that the low-temperature weather resistance of the toner and products thereof is effectively improved, meanwhile, the compatibility of the toner and a carrier is good, and the dispersibility in the carrier is good.
2) The toner of the invention is also added with carbon quantum dots, and the color fastness of the toner is finally and unexpectedly improved by utilizing the characteristic that the carbon quantum dots have a plurality of fluorescent active centers of various types and can respond to light excitation of different wavelengths and the modification of (methyl) acrylic acid modified epoxidized organosilicon.
Detailed Description
In order to make the technical problems to be solved, the technical scheme and the beneficial effects of the invention more clear, the invention is further described in detail below with reference to the embodiment. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The enhanced high-weather-resistance color master batch comprises the following components in parts by weight: 30-70 parts of carrier, 0.1-5 parts of antioxidant, 0.5-10 parts of plasticizer and 10-30 parts of modified toner; wherein the modified toner is modified by (methyl) acrylic acid modified epoxidized organosilicon and carbon quantum dots, and the mass ratio of the toner to the (methyl) acrylic acid modified epoxidized organosilicon and carbon quantum dots is 100: 2-30: 0.5 to 10.
In a preferred scheme, the enhanced high weather-resistant color master batch comprises the following components in parts by weight: 35-65 parts of carrier, 0.5-3 parts of antioxidant, 1-8 parts of plasticizer and 12-25 parts of modified toner; wherein the modified toner is modified by (methyl) acrylic acid modified epoxidized organosilicon and carbon quantum dots, and the mass ratio of the toner to the (methyl) acrylic acid modified epoxidized organosilicon and carbon quantum dots is 100: 5-25: 1 to 8.
In the present invention, the carrier is not particularly limited, and may be a carrier commonly used in the art, for example, a resin-based carrier, and specifically, may be one or more selected from PVC resin, polypropylene resin, ethylene-vinyl acetate copolymer, methyl methacrylate-acrylonitrile-butadiene-styrene, nitrile rubber, chlorinated polyethylene. In general, in what material the toner is applied to, it is preferable that the resin corresponding to the material be used as a carrier; for example, the toner may be selected from PVC resin as a carrier when added to PVC tubing, and from nitrile rubber as a carrier when added to nitrile rubber product.
In the present invention, the weight part of the carrier is 30 to 70 parts, including, for example, but not limited to, 30 parts, 35 parts, 40 parts, 45 parts, 50 parts, 55 parts, 60 parts, 65 parts, 70 parts, and preferably 35 to 65 parts.
The antioxidant is selected from one or more of antioxidant 1024, antioxidant 1330, antioxidant 1010, antioxidant 1076, antioxidant 245, antioxidant 168 and antioxidant 3114, for example, any one of the above antioxidants, or a combination of two or more of the above antioxidants; when the antioxidant is a combination of several antioxidants, the proportion of each antioxidant to be combined is not particularly limited, and may be any proportion, for example, equal proportion.
In the present invention, the antioxidant is 0.1 to 5 parts by weight, including, for example, but not limited to, 0.1 part, 0.5 part, 1 part, 1.5 parts, 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts, and preferably 0.5 to 3 parts.
To facilitate extrusion processing, the toner of the present invention also incorporates a plasticizer, such as tributyl phosphate. In the present invention, the plasticizer is 0.5 to 10 parts by weight, including, for example, but not limited to, 0.5 part, 1 part, 1.5 parts, 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts, 5.5 parts, 6 parts, 6.5 parts, 7 parts, 7.5 parts, 8 parts, 8.5 parts, 9 parts, 9.5 parts, 10 parts, preferably 1 to 8 parts.
The toner may be one selected from organic toner or inorganic toner, for example, any one selected from carbon powder, titanium pigment, iron oxide toner or lemon yellow powder. The toner is modified into modified toner through (methyl) acrylic acid modified epoxy organic silicon and carbon quantum dots. The modified toner is 10 to 30 parts by weight, including, for example, but not limited to, 10 parts, 15 parts, 20 parts, 25 parts, 30 parts, and preferably 12 to 25 parts.
The mass ratio of the toner to the (methyl) acrylic acid modified epoxidized organosilicon and the carbon quantum dots in the modified toner is 100: 2-30: 0.5 to 10, for example 100:2:0.5, 100:5: 1. 100:10: 5. 100:15: 8. 100:20: 5. 100:30:10, etc., the mass ratio of the toner to the (meth) acrylic-modified epoxidized silicone and carbon quantum dots is preferably 100: 5-25: 1 to 8.
The specific modification steps are, for example: adding carbon quantum dots into the (methyl) acrylic acid modified epoxy organic silicon according to the weight portion ratio, after uniform dispersion, adding toner into the mixture, stirring the mixture to react for 0.5 to 5 hours, and drying the mixture to obtain the toner modified by the (methyl) acrylic acid modified epoxy organic silicon and the carbon quantum dots.
Wherein the structural general formula of the (methyl) acrylic acid modified epoxidation organosilicon is shown as a formula (1):
wherein R represents an epoxy group or a (meth) acryloyloxy group, m=1 to 100, and n=0 to 100.
According to the toner disclosed by the invention, through the modification of the (methyl) acrylic acid modified epoxidized organosilicon and the carbon quantum dots, the mechanical properties such as the strength and the like of the toner are enhanced, and the low-temperature weather resistance of the toner is improved; while unexpectedly improving the color fastness of the toner.
The preparation method of the enhanced high weather-resistant color master batch comprises the steps of putting the raw materials of all the components into a high-speed stirrer, and stirring and mixing; and then adding the uniformly mixed materials into a double-screw extruder for melting, plasticizing, extruding and granulating to obtain the color master batch. Wherein the melting temperature is dependent on the carrier selected, and can be routinely determined by one skilled in the art based on the particular type of carrier selected. For example, when polypropylene resin is used as a carrier, the temperature of the twin-screw extruder is 170-200 ℃, and the rotating speed of the twin-screw is 200-350rpm.
The invention is further illustrated, but not limited, by the following more specific examples.
The main raw materials are as follows:
toner climbing steel titanium dioxide R258;
carrier PVC resin inflite P450;
carbon quantum dots were purchased from ruixi organisms;
antioxidant 1024, 1076 Nanjing Milan chemical industry;
tributyl phosphate was purchased from Sigma-Aldrich;
methacrylic acid modified epoxidised organosilicon was prepared as described in example 1 of CN 101555386B.
The performance test method comprises the following steps:
compatibility and dispersibility detection: the appearance was examined, whether the pipe had color spots or not was observed by human eyes, and the uniformity of the dispersion of the toner was evaluated.
Weather resistance detection: the low-temperature weather resistance is detected, the pipe is placed in an oven at 60 ℃ for 72 hours, cooled to room temperature, and then placed in a low-temperature box at-10 ℃ for 24 hours. And (5) impacting the pipe and checking the weather resistance of the pipe.
The color fastness, namely the migration resistance grade, of the color is evaluated according to the GB/T251-2008 test method: the migration resistance of the pigment selected from the color master batch refers to migration of the pigment from the inside of the plastic to the surface of the product (bloom) or into adjacent plastic products and solvents. Class 1 worst (severe migration), class 5 best (no migration).
Preparation example preparation of modified toner
Adding 5g of carbon quantum dots into 15g of methacrylic acid modified epoxidized organosilicon, uniformly stirring, then adding 100g of toner into the mixture, stirring and reacting for 3h, and drying at 80 ℃ for 6h to obtain the toner modified by the methacrylic acid modified epoxidized organosilicon and the carbon quantum dots.
Example 1
Preparing polypropylene color master batch: adding 35g of polypropylene, 1g of antioxidant 1024, 1g of tributyl phosphate and 15g of modified toner prepared in the preparation example into a high-speed mixer, uniformly mixing, and then feeding into a double-screw extruder, and carrying out melt extrusion granulation, wherein the temperature of the double-screw extruder is as follows: the polypropylene masterbatch is obtained by the twin-screw rotation speed of 300r/min at 170-180 ℃ in the first region, 180-190 ℃ in the second region, 200-210 ℃ in the third region, 210-220 ℃ in the fourth region, 200-210 ℃ in the fifth region and 190-200 ℃ in the sixth region.
Example 2
Preparing polypropylene color master batch: 60g of polypropylene, 1g of antioxidant 1024, 1g of antioxidant 1076, 5g of tributyl phosphate and 20g of modified toner prepared in the preparation example are added into a high-speed mixer, and the mixture is fed into a double-screw extruder after being uniformly mixed, and the temperature of the double-screw extruder is as follows: the polypropylene masterbatch is obtained by the twin-screw rotation speed of 300r/min at 170-180 ℃ in the first region, 180-190 ℃ in the second region, 200-210 ℃ in the third region, 210-220 ℃ in the fourth region, 200-210 ℃ in the fifth region and 190-200 ℃ in the sixth region.
Example 3
Preparing polypropylene color master batch: 70g of polypropylene, 5g of antioxidant 1076, 10g of tributyl phosphate and 30g of modified toner prepared in the preparation example are added into a high-speed mixer, the mixture is evenly mixed and then fed into a double-screw extruder, and the temperature of the double-screw extruder is as follows: the polypropylene masterbatch is obtained by the twin-screw rotation speed of 300r/min at 170-180 ℃ in the first region, 180-190 ℃ in the second region, 200-210 ℃ in the third region, 210-220 ℃ in the fourth region, 200-210 ℃ in the fifth region and 190-200 ℃ in the sixth region.
Example 4
Preparing polypropylene color master batch: 30g of polypropylene, 0.1g of antioxidant 1076, 0.5g of tributyl phosphate and 10g of modified toner prepared in the preparation example are added into a high-speed mixer, and the mixture is fed into a double-screw extruder after being uniformly mixed, and the temperature of the double-screw extruder is as follows: the polypropylene masterbatch is obtained by the twin-screw rotation speed of 300r/min at 170-180 ℃ in the first region, 180-190 ℃ in the second region, 200-210 ℃ in the third region, 210-220 ℃ in the fourth region, 200-210 ℃ in the fifth region and 190-200 ℃ in the sixth region.
Comparative example 1
In comparison with example 1, the modified toner was not added with methacrylic acid modified epoxidized silicone, except that the conditions were exactly the same.
Comparative example 2
In comparison with example 1, the modified toner was not added with carbon quantum dots, and the other conditions were exactly the same.
Comparative example 3
In comparison with example 1, the toner was used as it was without any modification in combination with a carrier, a plasticizer and an antioxidant, all under the same conditions.
Comparative example 4
In comparison with example 1, methacrylic acid modified epoxidized silicone was substituted for the usual silane coupling agent KH550, with the other conditions being exactly the same.
Comparative example 5
In comparison with example 1, the carbon quantum dots were replaced with common carbon black, and the other conditions were exactly the same.
The color master batches obtained in the examples and the comparative examples are added into the mixture in proportion to prepare pipes, and the pipes are subjected to performance detection, and the test results are shown in Table 1.
Table 1 test data for the performance of the examples and comparative examples
As can be seen from the table, the enhanced high weather-resistant color master batch is prepared by modifying (methyl) acrylic acid modified epoxidized organosilicon and carbon quantum dots.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (7)
1. The enhanced high-weather-resistance color master batch is characterized by comprising the following components in parts by weight: 30-70 parts of carrier, 0.1-5 parts of antioxidant, 0.5-10 parts of plasticizer and 10-30 parts of modified toner;
wherein the modified toner is modified by (methyl) acrylic acid modified epoxidized organosilicon and carbon quantum dots, and the mass ratio of the toner to the (methyl) acrylic acid modified epoxidized organosilicon and carbon quantum dots is 100: 2-30: 0.5 to 10;
the modification steps of the modified toner are as follows: adding carbon quantum dots into the (methyl) acrylic acid modified epoxidized organosilicon, then adding toner into the mixture, stirring the mixture to react for 0.5 to 5 hours, and drying the mixture to obtain the toner modified by the (methyl) acrylic acid modified epoxidized organosilicon and the carbon quantum dots;
the carrier is one or more selected from PVC resin, polypropylene resin, ethylene-vinyl acetate copolymer, methyl methacrylate-acrylonitrile-butadiene-styrene, nitrile rubber and chlorinated polyethylene;
the structural general formula of the (methyl) acrylic acid modified epoxidation organosilicon is shown as a formula (1):
wherein R represents a (meth) acryloyloxy group, m=1 to 100, and n=0 to 100.
2. The enhanced highly weatherable color master batch according to claim 1, comprising the following components in parts by weight: 35-65 parts of carrier, 0.5-3 parts of antioxidant, 1-8 parts of plasticizer and 12-25 parts of modified toner.
3. The enhanced highly weatherable color master batch according to claim 1, wherein the mass ratio of the toner to the (meth) acrylic modified epoxidized silicone and the carbon quantum dots is 100: 5-25: 1 to 8.
4. The enhanced highly weatherable color master batch according to any one of claims 1 to 3, wherein the antioxidant is one or more selected from the group consisting of antioxidant 1024, antioxidant 1330, antioxidant 1010, antioxidant 1076, antioxidant 245, antioxidant 168, and antioxidant 3114.
5. The enhanced highly weatherable color master batch according to any one of claims 1 to 3, wherein the plasticizer is selected from tributyl phosphate.
6. The enhanced highly weatherable color master batch according to any one of claims 1 to 3, wherein the toner is selected from any one of carbon powder, titanium pigment, iron oxide toner or lemon yellow powder.
7. The method for preparing the enhanced highly weather-resistant color master batch according to any one of claims 1 to 6, which is characterized by comprising the steps of putting the raw materials of each component into a high-speed stirrer, stirring and mixing; and then adding the uniformly mixed materials into a double-screw extruder for melting, plasticizing, extruding and granulating to obtain the color master batch.
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