High-concentration polyolefin calcium carbonate filled white master batch and preparation method thereof

A technology of polyolefin calcium carbonate and white masterbatch, which is applied in the field of plastic coloring, can solve the problems of insufficient polyolefin compatibility, poor dispersibility, and many crystal points, and achieves low cost, strong covering ability and high whiteness. Effect

Inactive Publication Date: 2014-07-23
SHANGHAI YUCHENG POLYMER MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

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

Method used

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  • High-concentration polyolefin calcium carbonate filled white master batch and preparation method thereof
  • High-concentration polyolefin calcium carbonate filled white master batch and preparation method thereof
  • High-concentration polyolefin calcium carbonate filled white master batch and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1, preparation 1000g high concentration polyolefin calcium carbonate fills white masterbatch

[0021] 1. The weight of each component is:

[0022]

[0023]

[0024] 2. Preparation method:

[0025] First, add the low-molecular polyethylene wax, zinc stearate, bright lubricant, compatibilization extender, nano-calcium carbonate and carrier resin in the pigment and plastic additives into the high-mixer at a speed of 600 rpm and mix for 15 minutes. Minutes; then add the mixture of coupling agent and liquid paraffin, and then stir at high speed for 10 minutes; finally extrude the above-mentioned mixed material into the Songwu twin-screw extruder, cool, dry, and cut into pellets to make filled white masterbatch.

Embodiment 2

[0026] Embodiment 2, prepare the weight of each component of 1000g high concentration polyolefin calcium carbonate filling masterbatch:

[0027]

[0028] 2. Preparation method:

[0029] First, add the low-molecular polyethylene wax, zinc stearate, bright lubricant, compatibilization extender, nano-calcium carbonate and carrier resin in the pigment and plastic additives into the high-mixer at a speed of 600 rpm and mix for 15 minutes. Minutes; then add the mixture of coupling agent and liquid paraffin, and then stir at high speed for 10 minutes; finally extrude the above-mentioned mixed material into the Songwu twin-screw extruder, cool, dry, and cut into pellets to make filled white masterbatch.

Embodiment 3

[0030] Embodiment 3, prepare the weight of each component of 1000g high concentration polyolefin calcium carbonate filling masterbatch:

[0031]

[0032] 2. Preparation method:

[0033] First, add the low-molecular polyethylene wax, zinc stearate, bright lubricant, compatibilization extender, nano-calcium carbonate and carrier resin in the pigment and plastic additives into the high-mixer at a speed of 600 rpm and mix for 15 minutes. Minutes; then add the mixture of coupling agent and liquid paraffin, and then stir at high speed for 10 minutes; finally extrude the above-mentioned mixed material into the Songwu twin-screw extruder, cool, dry, and cut into pellets to make filled white masterbatch.

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Abstract

The invention discloses a high-concentration polyolefin calcium carbonate filled white master batch which comprises a pigment, calcium carbonate, additives for plastics, and a carrier resin, wherein the additives for plastics comprises low-molecular polyethylene wax, zinc stearate, a brightening and lubricating agent, a compatibilizing and extending agent, a coupling agent and liquid paraffin. The high-concentration polyolefin calcium carbonate filled white master batch comprises the following components in percentage by weight: 50-70% of pigment, 10-30% of calcium carbonate, 5-10% of low-molecular polyethylene wax, 1-2% of zinc stearate, 0.5-1% of brightening and lubricating agent, 0.5-1% of compatibilizing and extending agent, 0.5-7% of coupling agent, 1-5% of liquid paraffin and 10-30% of carrier resin. The filled white master batch has the advantages of small addition amount, high tendency to dispersion, high whiteness, strong covering power, low cost and the like. The invention also discloses a preparation method of the high-concentration polyolefin calcium carbonate filled white master batch.

Description

technical field [0001] The invention relates to a plastic coloring technology, in particular to a white masterbatch filled with high-concentration polyolefin calcium carbonate and a preparation method thereof. Background technique [0002] The existing white masterbatch increases the product cost 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 masterbatch are poor dispersion, many crystal points, and poor compatibility with polyolefins, which affects the wide use ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/08C08L23/06C08K3/26C08K3/22C08J3/22
CPCC08K2003/2241C08L23/0815C08K2201/011C08L23/06C08L2205/025C08L2205/035C08L2207/066C08L2310/00
Inventor 戴成章
Owner SHANGHAI YUCHENG POLYMER MATERIAL CO LTD
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