Fused ring aromatic pigment and polymer material mixture, preparation method and downstream product thereof
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A technology of polymer materials and aromatic compounds, applied in the field of pigments, can solve the problems of unavoidable waste liquid and achieve good compatibility
Active Publication Date: 2020-01-14
CAICAI TECH CO LTD
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Similarly, J.APPL.POLYM.SCI.2015, DOI: 10.1002 / APP.42172 also reported the synthesis of polymerizable naphthalimide fluorescent dyes to prepare polyethylene fluorescent polymers, but the polymerizable naphthalimide It also needs to be synthesized by traditional methods, and the waste liquid cannot be avoided.
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[0044] A method for preparing a mixture of fused-ring aromatic pigments and polymer materials, comprising the following steps:
[0045] The thermoplastic macromolecule material is mixed with reactants for forming condensed ring aromatic pigments, and kneaded or extruded to obtain a mixture of condensed ring aromatic pigments and polymer materials.
[0046] Wherein, the reactants for forming the condensed-ring aromatic pigments include acid anhydride functionalized condensed-ring aromatic compound derivatives, o-diamine compounds and catalysts.
[0047] It should be noted that during the kneading or extrusion process, the anhydride-functionalized condensed-ring aromatic compound derivative and the ortho-diamine compound can react under the action of a catalyst to obtain a condensed-ring aromatic pigment.
[0048] Further, the acid anhydride functionalized condensed ring aromatic compound derivative is selected from at least one of the following compounds:
[0049]
[0050] ...
Embodiment 1-6
[0085]
Embodiment 1～6
[0086] Embodiment 1~6 are all prepared according to the following method:
[0087] Mix 0.5kg of PMMA, (32g, 119mmol) compound (1-1), (25g, 231mmol) compound (1-2) and catalyst, extrude the reaction in a single-screw extruder, cool, dry and pelletize to obtain Crude color masterbatch containing compound (1-3).
[0088] Embodiments 1 to 6 are basically the same, except for the type and consumption of the catalyst, specifically as shown in Table 1:
[0089] Table 1
[0090]
[0091]
[0092] figure 1 The color masterbatch crude product prepared for embodiment 4 is mixed with ABS injection molding at a concentration of 1% to obtain the reflectance spectrum of a 1mm thick plastic sheet, which is obtained by figure 1 It can be seen that its absorption is mainly in the blue to orange light region, which is similar to the mixture of Pigment Orange 43 and Pigment Red 194.
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Abstract
The invention relates to a fused ring aromatic pigment and polymer material mixture, a preparation method and a downstream product thereof. According to the method, different thermoplastic polymer materials can be selected and mixed with reactants for generating fused ring aromatic pigments; by adjusting the reaction molar ratio of the raw materials and the use amounts of the raw materials in thewhole reaction system, the mixture of the reactant and the high polymer material can be extruded or kneaded to obtain the fused ring aromatic pigment and polymer material mixture in one step; and compared with the pigments, the mixture of the invention has the following characteristics that the raw material reactants of the pigment have good dispersity in the high polymer material so as to directly generate and uniformly disperse the pigment in the polymer material through extruding or kneading, the solvent is not required to be added in the extrusion or kneading process, the o-diamine compound is almost completely consumed, the obtained mixture does not need to be purified, the generation of three-waste in the traditional pigment synthesis process is avoided, the process flow is greatly simplified, and the energy consumption is reduced.
Description
technical field [0001] The invention relates to the technical field of pigments, in particular to a mixture of condensed ring aromatic pigments and polymer materials, a preparation method and downstream products thereof. Background technique [0002] Fused-ring aromatic vat dyes (Vat Dyes) have bright color and excellent fastness, especially in light fastness and solvent resistance. However, due to the poor dispersion of fused-ring aromatic compounds in the production process, it is necessary to use high-boiling-point, difficult-to-remove solvents, resulting in a large amount of waste liquid, and because the purification of dye molecules is also very difficult, so that the reaction yield of such dyes is low and the price is low. High, and the processing technology is relatively more complicated, which greatly limits the application and development of this type of dye. [0003] US20080139813 uses metal catalysts such as ammonium molybdate, molybdenum oxide, molybdenum carbon...
Claims
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