CN117777714A - High-performance yellow masterbatch and preparation method thereof - Google Patents
High-performance yellow masterbatch and preparation method thereof Download PDFInfo
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- CN117777714A CN117777714A CN202311637927.1A CN202311637927A CN117777714A CN 117777714 A CN117777714 A CN 117777714A CN 202311637927 A CN202311637927 A CN 202311637927A CN 117777714 A CN117777714 A CN 117777714A
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- 239000004594 Masterbatch (MB) Substances 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- QPQKUYVSJWQSDY-UHFFFAOYSA-N 4-phenyldiazenylaniline Chemical compound C1=CC(N)=CC=C1N=NC1=CC=CC=C1 QPQKUYVSJWQSDY-UHFFFAOYSA-N 0.000 claims abstract description 29
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 25
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 20
- 239000004952 Polyamide Substances 0.000 claims abstract description 14
- 239000003094 microcapsule Substances 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 229920002647 polyamide Polymers 0.000 claims abstract description 14
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 13
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 13
- 239000002270 dispersing agent Substances 0.000 claims abstract description 13
- 239000002904 solvent Substances 0.000 claims abstract description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 12
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 12
- LXEJRKJRKIFVNY-UHFFFAOYSA-N terephthaloyl chloride Chemical compound ClC(=O)C1=CC=C(C(Cl)=O)C=C1 LXEJRKJRKIFVNY-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000012074 organic phase Substances 0.000 claims abstract description 9
- 239000012071 phase Substances 0.000 claims abstract description 9
- 229920005989 resin Polymers 0.000 claims abstract description 9
- 239000011347 resin Substances 0.000 claims abstract description 9
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 8
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims abstract description 6
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 5
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 238000001035 drying Methods 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims abstract description 4
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 230000001105 regulatory effect Effects 0.000 claims abstract description 4
- 238000005406 washing Methods 0.000 claims abstract description 4
- 239000004595 color masterbatch Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical group ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 10
- 229960001701 chloroform Drugs 0.000 claims description 6
- 229920002302 Nylon 6,6 Polymers 0.000 claims description 5
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 claims description 5
- 229950011008 tetrachloroethylene Drugs 0.000 claims description 5
- OLFNXLXEGXRUOI-UHFFFAOYSA-N 2-(benzotriazol-2-yl)-4,6-bis(2-phenylpropan-2-yl)phenol Chemical compound C=1C(N2N=C3C=CC=CC3=N2)=C(O)C(C(C)(C)C=2C=CC=CC=2)=CC=1C(C)(C)C1=CC=CC=C1 OLFNXLXEGXRUOI-UHFFFAOYSA-N 0.000 claims description 4
- XITRBUPOXXBIJN-UHFFFAOYSA-N bis(2,2,6,6-tetramethylpiperidin-4-yl) decanedioate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)CCCCCCCCC(=O)OC1CC(C)(C)NC(C)(C)C1 XITRBUPOXXBIJN-UHFFFAOYSA-N 0.000 claims description 4
- 239000002250 absorbent Substances 0.000 claims description 3
- 230000002745 absorbent Effects 0.000 claims description 3
- 238000007605 air drying Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical group 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 2
- OCKWAZCWKSMKNC-UHFFFAOYSA-N [3-octadecanoyloxy-2,2-bis(octadecanoyloxymethyl)propyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(COC(=O)CCCCCCCCCCCCCCCCC)(COC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC OCKWAZCWKSMKNC-UHFFFAOYSA-N 0.000 claims description 2
- 239000002105 nanoparticle Substances 0.000 claims 2
- 239000006096 absorbing agent Substances 0.000 claims 1
- 238000013508 migration Methods 0.000 abstract description 14
- 230000005012 migration Effects 0.000 abstract description 14
- 239000004677 Nylon Substances 0.000 abstract description 12
- 229920001778 nylon Polymers 0.000 abstract description 12
- 230000032683 aging Effects 0.000 abstract description 5
- 238000009835 boiling Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 4
- 239000005083 Zinc sulfide Substances 0.000 abstract description 2
- 229910052984 zinc sulfide Inorganic materials 0.000 abstract description 2
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 16
- 239000000047 product Substances 0.000 description 15
- 238000010025 steaming Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 7
- 238000001746 injection moulding Methods 0.000 description 5
- 239000003086 colorant Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000049 pigment Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000000975 dye Substances 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 238000012695 Interfacial polymerization Methods 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 239000000986 disperse dye Substances 0.000 description 2
- 239000012847 fine chemical Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- ABFKYPFPQRDCGM-UHFFFAOYSA-N 14832-14-5 Chemical class [Cu+2].[N-]1C(N=C2C3=C(Cl)C(Cl)=C(Cl)C(Cl)=C3C(N=C3C4=C(Cl)C(Cl)=C(Cl)C(Cl)=C4C(=N4)[N-]3)=N2)=C(C(Cl)=C(Cl)C(Cl)=C2Cl)C2=C1N=C1C2=C(Cl)C(Cl)=C(Cl)C(Cl)=C2C4=N1 ABFKYPFPQRDCGM-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- GNBHRKFJIUUOQI-UHFFFAOYSA-N fluorescein Chemical compound O1C(=O)C2=CC=CC=C2C21C1=CC=C(O)C=C1OC1=CC(O)=CC=C21 GNBHRKFJIUUOQI-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 238000002464 physical blending Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000992 solvent dye Substances 0.000 description 1
- 229940037312 stearamide Drugs 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Landscapes
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a high-performance yellow masterbatch, which comprises the following raw materials in percentage by weight: 60-85% of resin carrier, 0.3-2% of nano titanium dioxide, 10-30% of solvent yellow modified toner, 2-7% of dispersing agent, 1-3% of ultraviolet absorber and 1-3% of antioxidant. The preparation method of the solvent yellow modified toner comprises the following steps: (1) Dissolving a certain amount of terephthaloyl chloride and solvent yellow in the solvent to form an organic phase; (2) Adding 1% of emulsifying agent and 1% of polyethylene glycol into water, stirring uniformly by using a magnetic stirrer, and regulating the PH to 12-13 by using 25% of NaOH solution to form a water phase; (3) Mixing the organic phase with the water phase, stirring, slowly adding 1, 6-hexamethylenediamine in the later period of stirring, and stirring for 10min after the dripping is finished. (4) Filtering, washing and drying to obtain the polyamide coated solvent yellow microcapsule. The high-performance yellow master batch disclosed by the invention is a bright yellow product series master batch, solves the problems of poor temperature resistance and easy color change and migration in water boiling of the traditional master batch in a nylon product, and further improves the aging performance of the product by changing the traditional zinc sulfide or titanium dioxide into nano-scale titanium dioxide.
Description
Technical Field
The invention relates to the field of plastic processing, in particular to a high-performance yellow masterbatch and a preparation method thereof.
Background
The color master batch is a novel polymer composite coloring material which is prepared by taking synthetic resin as a carrier, adding additives such as high-proportion toner, dispersing agent and the like and adopting the processes of physical blending, melt mixing, dispersing, extruding, granulating and the like, and is used as a special coloring agent for polymer materials, also called as a toner preparation. The color master batch has the advantages of uniform toner dispersion, high color stability and good coloring effect in the use process, can avoid the environmental pollution problems such as dust, sewage and the like, simplify the downstream production process and reduce the comprehensive use cost. In the storage process, the paint is not easy to absorb water and can keep better color powder chemical stability.
The electric tool has various kinds and wide application fields, can be used in almost all industries, has quite large market capacity, and mainly relates to plastic materials such as reinforced nylon, reinforced polypropylene and partially toughened products, so that the reinforced nylon is most widely used. The single electric tool material has more color types, the order is smaller, the order quantity is greatly influenced by the market, and the color master batch is just suitable for the color matching of the electric tool material.
The electric tool reinforced nylon material has bright colors, mainly comprises striking red, yellow and orange colors, has higher requirements on weather resistance, steaming migration resistance, boiling color stability and temperature resistance of the material, meets the requirements on high weather resistance, low migration, boiling resistance, high-temperature resistance and high-performance color toner on the market at the same time, and especially cannot meet the use requirements of high-end products, and needs to develop high-performance color toner with bright colors.
Polyamide microcapsules are intensively studied at home and abroad, but the synthesis method of the polyamide microcapsules is mainly introduced, so that the research on the modification of the toner is less, and particularly, the temperature resistance and the steaming migration resistance of the toner for nylon are improved.
The patent application 202180016935.7 discloses a polyamide microcapsule, and the invention relates to a polyamide microcapsule. The process for preparing polyamide microcapsules is also an object of the present invention. The perfuming compositions and consumer products, in particular perfumed consumer products in the form of home care or personal care products, comprising said microcapsules do not involve toner modification.
Lu Rong, wang Feili et al used the interfacial polymerization of terephthaloyl chloride with different diamine monomers to prepare polyamide microcapsule disperse dye 2BLN, optimized the processing technology and determined the slow release performance of microcapsule dye in acetone, the disperse dye is used in the textile dyeing and finishing field, and has a great difference from the solvent dye used in the plastic processing, and the effect after the coating treatment is also quite different.
The modified phthalocyanine green G pigment is dispersed in tetrachloroethylene to be used as a capsule core, and the polyamide-coated phthalocyanine green microcapsule is prepared by adopting an interfacial polymerization method, so that the synthesis process is optimized, the application evaluation of the modified toner is not performed, the actual application situation is unknown, and the structural difference between the pigment and the dye is large, so that the selection of materials and manufacturing methods is different when the microcapsule dye is prepared.
Disclosure of Invention
Aiming at the technical problems that the toner with bright yellow color is easy to migrate under the condition of steaming in water, and the color is unstable when the toner is used for preparing a fiber-added nylon product by injection molding, and the like in the prior art, the invention provides the high-performance yellow color master batch and the preparation method thereof, aiming at the modification of the toner, the toner with bright yellow color, but low heat resistance and poor steaming migration resistance is selected, and polyamide coating treatment is carried out on the toner while the vividness of the toner is maintained, so that the heat-resistant color stability and steaming migration resistance of the toner are improved, the color master batch is processed, and the light aging resistance and other performances of the product can be further improved by adding an auxiliary agent in the subsequent extrusion process. In the polyamide microencapsulation process, paraphthaloyl chloride and 1, 6-hexamethylenediamine are specially selected as wall materials, so that the notification of the compatibility of the wall materials with plastic base materials is ensured, and the internal toner is protected from being damaged. The high-performance yellow masterbatch can well solve the problem of color migration in the process of water boiling and steaming of nylon materials, and can still well keep the original bright color when the nylon product is prepared by high-temperature injection molding.
The high-performance yellow masterbatch comprises the following raw materials in percentage by weight:
60-85% of resin carrier
0.3 to 2 percent of nano titanium dioxide
Solvent yellow modified toner 10-30%
Dispersant 2-7%
1-3% of ultraviolet absorber
Antioxidant 1-3%
The preparation method of the solvent yellow modified toner comprises the following steps: (1) Dissolving a certain amount of terephthaloyl chloride and solvent yellow in the solvent to form an organic phase; (2) Adding 1% of emulsifying agent and 1% of polyethylene glycol into water, stirring uniformly by using a magnetic stirrer, and regulating the PH to 12-13 by using 25% of NaOH solution to form a water phase; (3) Mixing the organic phase with the water phase, stirring, slowly adding 1, 6-hexamethylenediamine in the later period of stirring, and stirring for 10min after the dripping is finished. (4) Filtering, washing and drying to obtain the polyamide coated solvent yellow microcapsule.
The solvent is trichloromethane and/or tetrachloroethylene;
the emulsifier is OP-10 and/or NP-10;
the solvent yellow is fluorescent yellow 8G and/or fluorescent yellow 10GN.
In the preparation method of the solvent yellow modified toner, the reaction speed is controlled not to be too high by controlling the proportions of terephthaloyl chloride, hexamethylenediamine and solvent yellow, the adding speed of the hexamethylenediamine, the PH value of the solution and other key steps, so that a tight polyamide coating layer is formed on the surface of the solvent yellow, the contact between the solvent yellow and a nylon base material is reduced, and the contact between the toner and a glass fiber material is reduced by an external color mixing method, so that the integrity of the solvent yellow in the processing process is ensured to the greatest extent.
In order to obtain better invention effect, the technical scheme of the invention is as follows:
preferably, the carrier resin is polyamide 66, and specifically, EPR27 of Tokushan Goldmae engineering plastics Co., ltd.
Preferably, the nano-scale titanium dioxide is rutile-type nano-scale titanium dioxide. Further preferably, the nano-scale titanium dioxide can be specifically JWN-OR15 of Ningbo very little nano new material limited company.
Preferably, the dispersing agent is vinyl bis-stearamide EBS and/or pentaerythritol tetrastearate PETS. More preferably, the dispersant is EBS, and specifically EB-FF of Kao corporation may be used.
Preferably, the ultraviolet absorber is basf Tinuvin 770 and/or basf Tinuvin 234. Further preferably, the ultraviolet absorber is basf Tinuvin 770 and basf Tinuvin 234, and the ratio of the two is 1:1.
Preferably, the antioxidant is antioxidant 168 and/or antioxidant S-9228. Further preferably, the antioxidant is S-9228, and specifically, S-9228 of the chemical company of America Dou Fu can be used.
In order to achieve better coating effect and better heat aging resistance and light aging resistance color stability of the obtained color master batch, the invention optimizes the raw material types, properties, addition amount, technological parameter conditions and the like in the preparation method of the modified toner as follows:
preferably, the terephthaloyl chloride may be used in particular as an AR analytically pure product from the company limited of western chemistry.
The solvent Huang Youxuan is fluorescein 10GN, specifically, can be Liaoning Jiahe fine chemical company Limited.
The solvent is preferably chloroform, and can be specifically a reagent grade product of the Maoque chemical industry Co., ltd.
The emulsifier is preferably OP-10, and specifically OP-10 of Guangzhou Jihua chemical industry Co., ltd.
Preferably, the addition ratio of the terephthaloyl chloride, solvent yellow and 1, 6-hexamethylenediamine is 1-3 g:2-4 g: 1-2 g.
Preferably, the organic phase and the water phase are mixed in proportion, and the mixing proportion is 10-20:90-80.
Preferably, the total time of the stirring treatment is 20-40 min, and the stirring speed is 600-800 r/min.
Preferably, the 1, 6-hexamethylenediamine is specifically an AR analytically pure product of Toyo Toyota chemical Co., ltd.
The invention also provides a preparation method of the color master batch, which comprises the steps of uniformly mixing the carrier resin, the nano-scale titanium dioxide, the solvent yellow modified toner, the dispersing agent, the antioxidant and the ultraviolet absorbent according to a proportion, and then carrying out banburying, melt blending, extrusion, bracing, water cooling, air drying and granulating to obtain the color master batch. The specific technological parameter conditions can refer to the conventional color master batch preparation process in the prior art.
Compared with the prior art, the invention has the main advantages that: the high-performance yellow master batch disclosed by the invention is a bright yellow product series master batch, solves the problems of poor temperature resistance and easy color change and migration in water boiling of the traditional master batch in a nylon product, and further improves the aging performance of the product by changing the traditional zinc sulfide or titanium dioxide into nano-scale titanium dioxide.
Detailed description of the preferred embodiments
The invention will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. The methods of operation, under which specific conditions are not noted in the examples below, are generally in accordance with conventional conditions, or in accordance with the conditions recommended by the manufacturer.
The information of the manufacturer, brand and the like of the raw materials used in the following examples and comparative examples is as follows:
carrier resin nylon 6: hangzhou polymeric cis New Material Co., ltd, J2600
Dispersant EBS: EB-FF of Huawang Co Ltd
An antioxidant: american Dou Fu chemical Co, S9228
Nanoscale titanium dioxide: ningbo Minn New Material Co., ltd., JWN-OR15
Dispersing agent: EB-FF of Huawang Co Ltd
Ultraviolet absorber: basiff incorporated, tinuvin 770, tinuvin 234
Terephthaloyl chloride: AR Analyzer from Western chemical technology Co., ltd
Solvent yellow: liaoning Jiahe Fine chemical Co Ltd, fluorescence 10GN
1, 6-hexanediamine: AR analytically pure from Tong Tai chemical Co., ltd
Solvent chloroform: reagent grade product of MaoMing City wetting chemical industry Co., ltd
Solvent tetrachloroethylene: reagent grade product of MaoMing City wetting chemical industry Co., ltd
Emulsifier OP-10: OP-10, a chemical industry Co.Ltd
Polyethylene glycol (PVA): anhui Wanwei group Limited liability company
The formulations of examples 1 to 4 and comparative examples 1 to 3 are shown in Table 1 in parts by weight. Examples 1-4 are prepared by uniformly mixing carrier resin, nano titanium dioxide, solvent yellow modified toner, dispersing agent, antioxidant and ultraviolet absorbent according to a proportion, carrying out banburying melt blending, extruding at 230 ℃, bracing, water cooling, air drying and granulating to obtain color master batches, and carrying out blending 280 ℃ on the prepared color master batches and dried nylon materials (PA 66+30% GF) containing 30% glass fibers according to a weight ratio of 1:99 to obtain the color plate through injection molding. The solvent used in the preparation process of the solvent yellow modified toner in examples 1-3 is chloroform; the solvent used in example 4 was tetrachloroethylene. Comparative examples 1-3 were formulations of color plaques, directly blending unmodified toner with antioxidant, dispersant, dry nylon material containing 30% glass fiber (PA 66+30% GF) in proportions to form a 280℃injection molded color plaque.
The preparation method of the modified toner in examples 1 to 4 includes: (1) Dissolving a certain amount of terephthaloyl chloride and solvent yellow in the solvent to form an organic phase; (2) Adding 1% of emulsifying agent and 1% of polyethylene glycol into water, stirring uniformly by using a magnetic stirrer, and regulating the PH to 12-13 by using 25% of NaOH solution to form a water phase; (3) Mixing the organic phase with the water phase, stirring, slowly adding 1, 6-hexamethylenediamine in the later period of stirring, and stirring for 10min after the dripping is finished. (4) Filtering, washing and drying to obtain the polyamide coated solvent yellow microcapsule.
TABLE 1
The color plates obtained by injection molding of examples 1 to 4 and comparative examples 1 to 3 were evaluated for steaming migration resistance by steaming test. Steaming migration resistance performance measurement: the color plates prepared in examples 1 to 4 and comparative examples 1 to 3 were put in a steaming box and steamed for 4 hours, the surfaces were wiped with white cotton gauze after taking out, and the steaming migration resistance was evaluated by a comparative color chart, and the steaming migration resistance was the best grade 5 and the worst grade 1, and the results are shown in table 2.
TABLE 2
Comparing examples 1 to 4 with comparative examples 1 to 3, it was found that the unmodified fluorescent yellow 10GN powder was directly injection molded at 280℃to give a panel, the color change was extremely large, the change in the color master after the treatment was small, and the results are shown in Table 3.
TABLE 3 Table 3
As can be seen from tables 2 and 3, chloroform is preferred as the solvent in the process of preparing the solvent yellow modified toner. After the modified toner is prepared into master batches, the master batches are externally mixed with PA66 plus 30 percent GF for injection molding to form a plate, so that the temperature resistance and the steaming migration resistance are obviously improved, and the plate can be popularized and used. The modification method of the fluorescent yellow 10GN specific bright pigment and the mode of preparing the color master batch can obviously improve the temperature resistance and the steaming migration resistance color stability of the pigment.
Claims (10)
1. The high-performance yellow masterbatch is characterized by comprising the following raw materials in percentage by weight:
60-85% of a resin carrier;
0.3% -2% of nano titanium dioxide;
10-30% of solvent yellow modified toner;
2-7% of dispersing agent;
1-3% of ultraviolet absorber;
1-3% of an antioxidant;
the preparation method of the solvent yellow modified toner comprises the following steps: (1) Dissolving a certain amount of terephthaloyl chloride and solvent yellow in the solvent to form an organic phase; (2) Adding 1% of emulsifying agent and 1% of polyethylene glycol into water, stirring uniformly by using a magnetic stirrer, and regulating the PH to 12-13 by using 25% of NaOH solution to form a water phase; (3) Mixing the organic phase with the water phase, stirring, slowly adding 1, 6-hexamethylenediamine in the later period of stirring, and stirring for 10min after the dripping is finished; (4) Filtering, washing and drying to obtain the polyamide coated solvent yellow microcapsule.
2. The solvent is trichloromethane and/or tetrachloroethylene; the emulsifier is OP-10 and/or NP-10; the solvent yellow is fluorescent yellow 8G and/or fluorescent yellow 10GN.
3. The masterbatch according to claim 1 wherein the carrier resin is polyamide 66.
4. The masterbatch according to claim 1, wherein said nano-sized titanium dioxide is rutile nano-sized titanium dioxide.
5. The masterbatch according to claim 1, characterized in that the dispersant is vinylbisstearamide EBS and/or pentaerythritol tetrastearate PETS.
6. The masterbatch according to claim 1, characterized in that the uv absorber is basf Tinuvin 770 and/or basf Tinuvin 234.
7. The masterbatch according to claim 1, characterized in that the antioxidant is antioxidant 168 and/or antioxidant S-9228.
8. The masterbatch according to claim 1, characterized in that the ratio of terephthaloyl chloride, solvent yellow, 1, 6-hexamethylenediamine is 1-3 g:2-4 g: 1-2 g.
9. The masterbatch according to claim 1, characterized in that the total time of the stirring treatment is 20-40 min, and the stirring speed is 600-800 r/min.
10. The method for preparing the color master batch according to any one of claims 1 to 8, wherein the carrier resin, the nano-scale titanium dioxide, the solvent yellow modified toner, the dispersing agent, the antioxidant and the ultraviolet absorbent are uniformly mixed according to the proportion, and then the color master batch is prepared by banburying, melt blending, extrusion, bracing, water cooling, air drying and granulating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311637927.1A CN117777714A (en) | 2023-12-02 | 2023-12-02 | High-performance yellow masterbatch and preparation method thereof |
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| CN202311637927.1A CN117777714A (en) | 2023-12-02 | 2023-12-02 | High-performance yellow masterbatch and preparation method thereof |
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