Boiling-resistant color master batch, preparation method and applications thereof
A water-resistant and color masterbatch technology, which is applied in the field of nylon color masterbatch, can solve the problems of large color difference, achieve more colorful, bright and uniform colors, and meet the effects of product performance and appearance
Inactive Publication Date: 2020-02-11
中广核俊尔(浙江)新材料有限公司 +1
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Problems solved by technology
[0007] The purpose of the present invention is to solve the problem that the traditional masterbatch is applied to nylon products, and the color difference of nylon products before and after boiling is large. The color masterbatch provided by the present invention is applied to nylon products. The difference △E≤1.0, and different colors can be obtained according to different toner combinations
Method used
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Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1-5 and comparative example 1-4
[0037] The composition of raw materials in Examples and Comparative Examples is shown in Table 1 by weight percentage.
[0038] Raw material composition in the embodiment and comparative example of table 1
[0039]
[0040]Mix the toner compound and dispersant evenly according to the composition of the above raw materials, then mix them again with the carrier resin and other additives, and then add them to the twin-screw extruder for melt blending. The extrusion temperature is 230°C. Strips, air-dried and granulated to obtain the boil-resistant color masterbatch.
[0041] Add 1wt% of the prepared water-resistant masterbatch to the nylon preparation, blend and granulate, directly inject the obtained colored particles into a color plate, measure the color difference before and after boiling, and judge the water-resistant property of the prepared water-resistant color masterbatch.
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The invention relates to the technical field of nylon color masterbatch, and discloses uses of a toner complex in improvement of color stability in a nylon boiling process, wherein the toner complex comprises an organic pigment and a solvent dye according to a weight ratio of 1:0.2-2. The invention further discloses a boiling-resistant color master batch, which comprises the following raw materials by weight: 30-70% of a carrier resin, 20-40% of a toner complex, 5-20% of a dispersing agent and 5-10% of other auxiliary agents. The preparation method of the boiling-resistant color master batch comprises: uniformly mixing a toner complex and a dispersing agent, and carrying out melt blending on the mixture, a carrier resin and other auxiliary agents in blending equipment to obtain the boiling-resistant color master batch. According to the invention, the color master batch prepared from the toner complex compounded by the organic pigment and the solvent dye is applied to nylon products, sothat the color retention degree of the products can be improved, and the color difference value [delta]E of the nylon products before and after boiling is less than or equal to 1.0 while the productperformance and the appearance are met.
Description
technical field [0001] The invention relates to the technical field of nylon color masterbatch, in particular to a boiling-resistant color masterbatch and its preparation method and application. Background technique [0002] Color masterbatch is an aggregate obtained by uniformly loading super-normal pigments in resin, that is, a system formed by pigments, carrier resins, and additives. A small amount of color masterbatch and uncolored resin are used during processing. Mixing, can achieve the coloring resin or product of the designed pigment concentration. Processing pigments into masterbatches can prolong the storage time of pigments, simplify the production process, improve production efficiency and improve the production environment. [0003] In plastic processing, for crystalline polymers, the rapid cooling after injection molding will make the material unable to crystallize naturally, so that there will be strong internal stress inside the material, which needs to be i...
Claims
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IPC IPC(8): C08L77/00C08L77/02C08L77/06C08K3/30C08J3/22
CPCC08J3/226C08J2377/00C08J2477/02C08J2477/06C08K2003/3036
Inventor 陈莺莺陈晓敏赵义智郑京连张磊
Owner 中广核俊尔(浙江)新材料有限公司
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