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Method for preparing high-dispersity high-concentration monochromatic master batch and application of high-dispersity high-concentration monochromatic master batch

A high-dispersion, high-concentration technology, which is applied in the method of high-dispersion and high-concentration single-color masterbatch and its application field, can solve the problems of color difference, color point, and the influence of product appearance on the coloring, and achieve the reduction of dispersion, The effect of blemish improvement

Pending Publication Date: 2021-03-05
福建紫牛塑业科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a high-dispersibility and high-concentration single-color masterbatch method and its application, so as to solve the problem that some masterbatches proposed in the above-mentioned background technology will still appear colored and form color difference or color points when they are actually used. problems, which ultimately lead to the problem that the appearance of the product is affected to a certain extent

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Step one, heavy. Weigh 40% of carrier resin, 30% of colorant, 5% of compatibilizer, 5% of light stabilizer and 10% of calcium carbonate according to the mass percentage ratio of the raw materials.

[0035] Step 2, stereotypes. Add the heavy finished material in step 1 to the high-low speed mixer, the mixing time is 10-30min, and mix until the raw material forms a lump;

[0036] Step 3, adding auxiliary materials. Stop the mixer, add sodium methylene bis-naphthalene sulfonate with a mass percentage ratio of 10% of raw materials into the mixer, start the mixer again, and mix for 2 to 5 minutes.

[0037] Step four, grinding. The mixed raw materials are taken out from the mixer, and added to a three-roll mill for grinding until uniformly dispersed;

[0038] Step five, making. Put the ground raw materials into a single-screw extruder to extrude and pelletize. The particle size of the masterbatch should be greater than 3mm.

[0039] Step six, drying and finalizing. Put...

Embodiment 2

[0042] Step one, heavy. Weigh 40% of carrier resin, 30% of colorant, 5% of compatibilizer, 5% of light stabilizer and 10% of calcium carbonate according to the mass percentage ratio of the raw materials.

[0043] Step 2, stereotypes. Add the heavy finished material in step 1 to the high-low speed mixer, the mixing time is 10-30min, and mix until the raw material forms a lump;

[0044] Step 3, adding auxiliary materials. Stop the mixer, add sodium methylene bis-naphthalene sulfonate with a mass percentage ratio of 10% of raw materials into the mixer, start the mixer again, and mix for 2 to 5 minutes.

[0045] Step four, grinding. The mixed raw materials are taken out from the mixer, and added to a three-roll mill for grinding until uniformly dispersed;

[0046] Step five, making. Put the ground raw materials into a single-screw extruder to extrude and pelletize.

[0047] Step six, drying and finalizing. Put the masterbatch into the dryer for drying, and the drying time s...

Embodiment 3

[0050] Step one, heavy. Weigh 40% of carrier resin, 30% of colorant, 5% of compatibilizer, 5% of light stabilizer and 10% of calcium carbonate according to the mass percentage ratio of the raw materials.

[0051] Step 2, stereotypes. Add the heavy finished material in step 1 to the high-low speed mixer, the mixing time is 10-30min, and mix until the raw material forms a lump;

[0052] Step 3, adding auxiliary materials. Stop the mixer, add sodium methylene bis-naphthalene sulfonate with a mass percentage ratio of 10% of raw materials into the mixer, start the mixer again, and mix for 2 to 5 minutes.

[0053] Step four, grinding. The mixed raw materials are taken out from the mixer, and added to a three-roll mill for grinding until uniformly dispersed;

[0054]Step five, making. Put the ground raw materials into a single-screw extruder to extrude and pelletize, and the particle size of the masterbatch is 6mm.

[0055] Step six, drying and finalizing. Put the masterbatch ...

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Abstract

The invention relates to the technical field of monochromatic master batch preparation, in particular to a method for preparing a high-dispersity high-concentration monochromatic master batch and application of the high-dispersity high-concentration monochromatic master batch. The high-dispersity high-concentration monochromatic master batch comprises carrier resin, a coloring agent, a bulking agent, a light stabilizer, calcium carbonate and sodium methylene bis-naphthalene sulfonate. The method comprises the following specific steps: weighing the raw materials in percentage by mass; and adding part of the weighed raw materials into a high-low speed mixer; adding the sodium methylene bis-naphthalene sulfonate into the mixer; adding the ground raw materials into a single-screw extruder, andconducting extruding and dicing; taking out the mixed raw materials from the mixer, and adding the mixed raw materials into a three-roll grinder for grinding until the raw materials are uniformly dispersed; and drying the master batch in a dryer. By comparing six preparation methods of the high-dispersity and high-concentration monochromatic master batch, the six preparation methods can achieve high dispersity and high degree of the monochromatic master batch, and the probability of flaws in a finished product is improved.

Description

technical field [0001] The invention relates to the technical field of monochrome masterbatch preparation, in particular to a method for high-dispersibility and high-concentration monochrome masterbatch and its application. Background technique [0002] Masterbatch alias Masterbatch is composed of excess chemical additives, carrier resin and dispersant. Masterbatch is an aggregate obtained by uniformly loading super-normal pigments (dye) in resin. Master batch means that in the process of plastic processing and molding, for the convenience of operation, the required various additives, fillers and a small amount of carrier resin are first mixed and kneaded, and the obtained pellets are called master batches. The limit of additives or the content of filler in masterbatch is several times to ten times higher than the actual demand in plastic products. During the molding process, the ratio of the masterbatch to the matrix resin must be adjusted according to the content of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J3/22C08L101/00C08K3/26C08K5/42C08K3/013C08K13/02
CPCC08J3/226C08J2400/00C08K13/02C08K2003/265C08K5/52C08K3/013
Inventor 谢秉昆林帮浩费明
Owner 福建紫牛塑业科技有限责任公司
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