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Solid-color PC color master batch with toughening effect, and preparation method thereof

A color masterbatch, solid color technology, applied in the field of polycarbonate toughening color masterbatch colored with high concentration pigment and its manufacturing field, can solve the problem of difficult processing of PC color masterbatch, and achieve excellent toughness and impact performance. Improve the effect of simple and easy-to-use methods

Active Publication Date: 2015-07-08
NINGBO COLOR MASTER BATCH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a solid-color PC masterbatch with a toughening effect for the above-mentioned problems in the coloring of the existing PC masterbatch, which is impact modified by adding acrylates to ABS resin and PC resin. The PC masterbatch is prepared by using an additive alloy, which not only successfully prepares PC masterbatch with high concentration of pigment, but also makes the notched impact strength of polycarbonate plastic products have a certain degree of notch impact strength than the existing PC masterbatch injection molding products. Improvement, solved the problem of difficult processing of PC color masterbatch

Method used

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  • Solid-color PC color master batch with toughening effect, and preparation method thereof

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Effect test

Embodiment 1

[0016] The raw materials for the preparation of the color masterbatch in this embodiment include the following components in weight percentage: 30% of ABS resin, 30% of PC resin, 6% of acrylic rubber copolymer, 30.4% of toner, 3% of polyethylene wax, stearic acid Magnesium 0.6%.

[0017] Under normal temperature and pressure, weigh the following components in parts by mass: 30kg of ABS 757 resin, 30kg of R902 titanium dioxide, 0.1kg of whitening agent, 0.3kg of ultramarine blue, 3kg of polyethylene wax, and 0.6kg of magnesium stearate. Put the above components into a high-speed mixer in proportion, mix for 20 minutes, make each component fully dry, and fully refine the titanium dioxide and pigment, and then mix the remaining components: PC resin 30kg (pre-dried), acrylic acid Put 6kg of rubber-like copolymer into the original mixer, mix at high speed for 15 minutes, after discharging, use a twin-screw extruder to control the temperature at 240-280°C, carry out melt blending, e...

Embodiment 2

[0019] The raw materials for the preparation of the color masterbatch in this embodiment include the following components in weight percentage: 35% ABS resin, 35% PC resin, 7% acrylic rubber copolymer, 20.4% toner, 2% polyethylene wax, stearic acid Magnesium 0.6%.

[0020] Under normal temperature and pressure, weigh the following components in parts by mass: 35kg of ABS 757 resin, 20kg of R902 titanium dioxide, 0.1kg of whitening agent, 0.3kg of ultramarine blue, 2kg of polyethylene wax, and 0.6kg of magnesium stearate. Put the above components into a high-speed mixer in proportion, mix for 20 minutes, make each component fully dry, and fully refine the titanium dioxide and pigment, and then mix the remaining components: PC resin 35kg (pre-dried), acrylic acid Put 7kg of rubber-like copolymer into the original mixer, mix at high speed for 15 minutes, after discharging, use a twin-screw extruder to control the temperature at 240-280°C, carry out melt blending, extrude, granula...

Embodiment 3

[0022] The raw materials for the preparation of the color masterbatch in this embodiment include the following components in percentage by weight: 40% ABS resin, 40% PC resin, 8% acrylic rubber copolymer, 9% toner, 2% polyethylene wax, stearic acid Magnesium 1%.

[0023] Under normal temperature and pressure, weigh the following components in parts by mass: ABS757 resin 40kg, R902 titanium dioxide 4kg, phthalocyanine blue 5kg, polyethylene wax 2kg, magnesium stearate 1kg, put the above components in proportion to In a high-speed mixer, mix for 20 minutes to fully dry the components, and fully refine the titanium dioxide and pigments, and then mix the remaining components: 40kg of PC resin (pre-dried), 8kg of acrylic rubber copolymer, Put it into the original mixer, mix at high speed for 15 minutes, after discharging, control the temperature at 240-280°C with a twin-screw extruder, carry out melt blending, extrude, granulate, and dry to obtain the masterbatch of the present inv...

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Abstract

The invention provides a solid-color PC color master batch with a toughening effect. The solid-color PC color master batch with a toughening effect is prepared from 50-96wt% of carrier resin, 3-10wt% of an impact modifier, 0.01-30wt% of a toner, 0.01-5wt% of a dispersant and 0.01-5wt% of a processing assistant. A preparation method of the solid-color PC color master batch comprises the following steps: mixing ABS resin, the toner, the dispersant and the processing assistant for 15-30min; adding pre-dried PC resin and the impact modifier, and mixing for 10-20min; and carrying out blending extruding granulation through using a double screw extruder at 240-280DEG C, and drying to prepare the color master batch. The acrylate impact modifier is added to the ABS resin and the PC resin, so the high-concentration pigment color master batch is successfully prepared, and the notch impact strength of polycarbonate plastic products using the color master batch provided by the invention is higher than that of present PC color master batch injection molded products, thereby the difficult processing problem of PC color master batches is solved.

Description

technical field [0001] The invention relates to the field of polycarbonate (ie PC resin) plastic coloring, in particular to a polycarbonate toughened color masterbatch colored with high-concentration pigments and a manufacturing method thereof. Background technique [0002] PC is a linear carbonated polyester, and the carbonic acid groups in the molecule are alternately arranged with other aromatic and aliphatic groups. Generally speaking, PC has good toughness, but it is easy to hydrolyze at high temperature, and its toughness will gradually decrease when it is exposed to high temperature and stress for a long time. Also, it has insufficient hydrolytic stability and is sensitive to notches. [0003] The existing processing method of PC color masterbatch is to use PC and a small amount of pigments and auxiliary materials to directly blend and extrude granulation, especially when the concentration of pigments gradually increases, and the organic solvents in processing aids a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08L69/00C08L33/04C08K13/02C08K3/22C08K5/098
Inventor 李兴达任卫庆赵茂华洪寅陈建国
Owner NINGBO COLOR MASTER BATCH