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High-concentration white polyolefine agglomerate and its prepn process

A white masterbatch and polyolefin technology, which is applied in the field of plastic coloring, can solve the problems of polyolefins such as insufficient compatibility, poor dispersion, and many crystal points, and achieve the effect of strong hiding power, less added amount, and high whiteness

Inactive Publication Date: 2004-04-07
山东色母料厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the main disadvantages of this masterbatch are poor dispersion, many crystal points, and poor compatibility with polyolefins, which affects the wide use of this masterbatch to a certain extent.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1 prepares 100 kilograms of high concentration polyolefin white master batches

[0023] 1. The weight of each component is:

[0024] Titanium dioxide 60 kg

[0025] Phthalocyanine 0.167 kg

[0026] Brightener 0.833 kg

[0027] Low molecular weight polyethylene wax 5.0 kg

[0028] Zinc stearate 1.0 kg

[0029] Volume extender 0.5 kg

[0030] N.N'-Ethylene bis stearic acid amide derivative 0.5 kg

[0031] 1.5 kg liquid paraffin

[0032] Coupling agent 0.5 kg

[0033] Linear Low Density Polyethylene 24.5kg

[0034] LDPE 5.5 kg

[0035] 2. Preparation method:

[0036] First add the low molecular weight polyethylene wax, zinc stearate, bright lubricant, volume extender and carrier resin in the pigment and plastic additives into a high-speed mixer with a rotation speed of 800 rpm and mix for 15 minutes; Then add the mixture of coupling agent and liquid paraffin, and then stir at high speed for 15 minutes; finally, send the above-mentioned mixed material ...

Embodiment 2

[0037] Embodiment 2 prepares 100 kilograms of high concentration polyolefin white master batches

[0038] 1. The weight of each component is:

[0039] Titanium dioxide 55 kg

[0040] Ultramarine 0.2kg

[0041] Brightener 1.8kg

[0042] Low molecular weight polyethylene wax 5.0 kg

[0043] Zinc stearate 1.0 kg

[0044] Volume extender 0.5 kg

[0045] N.N'-Ethylene bis stearic acid amide derivative 0.5 kg

[0046] Liquid paraffin 2.5 kg

[0047] Coupling agent 0.5 kg

[0048] Linear Low Density Polyethylene 26.5kg

[0049] LDPE 6.5 kg

[0050] 2. The preparation method is the same as in Example 1.

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Abstract

The high-concentration white polyolefin agglomerate consists of pigment, plastic assistants and carrier resin, nd the plstic assistants include polyvinyl wax, zinc stearate, bright lubricant, compatibilizer-bulking material, crosslinking agent and liquid paraffin. The preparation process includes mixing via high speed stirring, extruding the mixture in a double-screw extruder, cooling, stoving, and pelletizing. The present invention has the features of high whiteness, low consumption, high dispersivity, etc., and is suitable for plastic product with polyethylene, polypropylene or their copolymer as basic material and suitable for injection molding, blowing to film, hollow forming and extruding to produce sheet, flat belt, wire and pipe.

Description

Technical field [0001] The invention relates to the technical field of plastic coloring, in particular to a high-concentration white master batch for polyolefin plastic coloring and a preparation method thereof. [0002] The invention also relates to a preparation method of the polyolefin plastic white masterbatch. Background technique [0003] The existing white masterbatch increases the cost of the product because of its low concentration and high addition amount. In particular, this kind of masterbatch has a certain selectivity to the base material of the product. If the base material is not selected properly, it will often affect the mechanical properties and printing performance of the product. The currently used high-concentration white masterbatch for polyolefins has strong market competitiveness due to its high concentration of white pigments, high performance-price ratio, and greatly reduced production costs. However, the main disadvantages of this kind of masterb...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J3/20C08K5/11C08L23/00
Inventor 王培利曹智欧阳秋英刘学伦张培华梁英芬
Owner 山东色母料厂
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