Color crystal and method for coloring plastic using the same

A color crystal and plastic technology, applied in the field of polymer material coloring, to achieve the effects of improved uniformity, easy inventory, and inventory control

Active Publication Date: 2009-02-25
广东波斯科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to solve the problems existing in the coloring of existing plastic products, and to provide a coloring method for plastic products that has good color stability, is suitable for mass production, and can easily solve inventory problems

Method used

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  • Color crystal and method for coloring plastic using the same

Examples

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Embodiment Construction

[0027] Examples 1-5 are the formulations of ABS color crystals, see Table 1. Using a twin-screw extruder to melt and knead under the condition of 160-200°C, press into tablets with a three-roller machine, and then break into color crystals.

[0028] Table 1 ABS color crystal formula

[0029] Material Example 1 Example 2 Example 3 Example 4 Example 5 ABS 40 60 30 40 50 Zinc stearate 1 0 1 0.5 1 polyethylene wax 3 2 1.5 5 7 Oxidized polyethylene wax 2 1 0.5 0 3 super dispersant 2 1 4 5 3 Titanium dioxide 40 0 0 0 0 ultramarine 0 10 0 0 0 Titanium Yellow 0 0 15 0 0 Phthalo green 0 0 0 8 0 carbon black 0 0 0 0 5 Antioxidant 1076 0.2 0.2 0.2 0.2 0.2 Antioxidant 168 0.4 0.4 0.4 0.4 0.4 calcium carbonate 9.4 0 0 40.9 30.4 Barium sulfate 0 34.6 0 0 0 talcum powder 0 0 59.6 0 0 color

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Abstract

The invention discloses a color crystal and a method for coloring plastics by the color crystal. The color crystal consists of the following components by weight parts: 0.1-80 parts of carrier, 0.1-30 parts of lubricant, 0.1-20 parts of super dispersant, 0.1-50 parts of pigment, 0.1-5 parts of antioxidant and 0.1-30 parts of packing material. All the components are proportionally weighted, evenly mixed by a high-speed mixer, melted and milled by a double-roll plasticator or a three-roll grinder, and crushed into the color crystal. The color crystal has the advantages of small volume, large number, a plurality of coloring spots, and significantly enhanced coloring stability and uniformity. The color crystal of single color is taken as a color library, the required color can be obtained by combining the color crystals, thus the storage is easily controlled and the waste is reduced. The color crystal is applicable to an automatic feeding system, the coloring agent can be directly used without pre-mixing and the automatic feeding system is used for dosing, which is significant to keep the workshop clean, reduce the labor intensity of workers, avoid the high temperature in the workshop caused by drying materials, etc.

Description

technical field [0001] The invention relates to the technical field of polymer material coloring, in particular to a color crystal and a method for coloring plastics. Background technique [0002] Plastic coloring has gone through several development stages from toner coloring, dyeing granulation coloring and masterbatch. With the continuous improvement of people's living standards, the coloring of plastic products has become an indispensable and important link. The advancement of plastic coloring technology is conducive to improving the appearance of products, and is of great significance for increasing the added value of products. [0003] When using toner for coloring, due to the small amount of toner (generally 0.4 to 1%), problems such as color instability, color streaks, flow lines, and serious environmental pollution are prone to occur. Although the dyeing and granulation technology can solve the disadvantages of toner coloring, it is gradually replaced by masterbat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J3/20C08K5/524C08K5/10C08K5/14C08K3/00
Inventor 阳范文卢俊文
Owner 广东波斯科技股份有限公司
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