A kind of PP plastic with phosphogypsum as filler and preparation method thereof

A technology of phosphogypsum and plastics, applied in the field of PP plastics, can solve the problems of poor antistatic effect of PP plastics, unsatisfactory antistatic effect, high cost of PP plastics, achieve excellent antistatic effect, improve antistatic effect, and reduce crystal water The effect of content

Active Publication Date: 2018-02-02
GUIZHOU KAILIN PHOSPHOGYPSUM INTEGRATION UTILIZATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the antistatic effect of PP plastic is poor. For this reason, some researchers adjusted the formula of PP plastic to improve the antistatic effect of PP plastic.
However, for such a widely used PP plastic, it not only has the defect of unsatisfactory antistatic effect, but also has the disadvantages of high preparation cost and high bulk density of the obtained product.
For this reason, a large number of researchers start from the perspective of fillers for PP plastic production, improve the structure and porosity of fillers, and then make the fillers a honeycomb structure, reduce the density of fillers, and reduce the density of fillers by adding a large amount of fillers. The purpose of product bulk density; however, traditional PP plastics use calcium carbonate powder as a filler. Due to its high density, after adding it to the raw material composition, not only will the bulk density of the product increase with the increase in the amount added, Moreover, the performance of the prepared PP plastic product is relatively poor, especially the antistatic effect is relatively poor.
[0004] In view of this, some researchers modified the calcium carbonate powder to make the calcium carbonate powder form a powder with a void structure, thereby reducing the density of calcium carbonate per unit volume and improving the bulk density of the prepared PP plastic. Increased the amount of calcium carbonate added as a filler in PP plastics; however, the existing above-mentioned calcium carbonate modification treatment technology is complex, difficult to process, and high in cost, which still makes the cost of obtaining PP plastics relatively high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A PP plastic with phosphogypsum as a filler. Its raw material components are PVC1, phosphogypsum 10, PP90, PE1, titanium dioxide 1, nano silica 1, lauric acid diethanolamide 0.4, by weight (unit: kg) 3-Aminopropyltriethoxysilane 0.1, (3-lauramidopropyl)trimethylammonium methyl sulfate 0.5, solid paraffin 0.1.

[0024] The preparation method of PP plastic with phosphogypsum as a filler includes the following steps:

[0025] (1) After mixing the phosphogypsum with nano-silica, place it in a wok at a temperature of 150°C and fry for 50 minutes, then place it in a grinder to grind, pass through a 120-mesh sieve, and control the bottom of the sieve After passing the 325 mesh sieve, the sieve residue is less than or equal to 13%; then add the titanium dioxide, and place it in a wok at a temperature of 180°C for 20 minutes, then place it in a grinder and grind it over 300 Sieve, and control the sieve residue of the bottom material of the 580 mesh sieve to be ≤5%; then add paraffin...

Embodiment 2

[0028] A PP plastic with phosphogypsum as a filler. The raw material components are PVC3, phosphogypsum 30, PP110, PE4, titanium dioxide 3, nano silica 3, lauric acid diethanolamide 0.7, 3-aminopropyltriethoxysilane 0.3, (3-lauramidopropyl)trimethylammonium methyl sulfate 1.3, paraffin 0.3.

[0029] The nano-silica has a particle size of 300 nm. The paraffin wax is liquid paraffin wax.

[0030] The preparation method of PP plastic with phosphogypsum as a filler includes the following steps:

[0031] (1) After mixing the phosphogypsum and nano-silica, place it in a wok at a temperature of 180°C and fry for 70 minutes, then place it in a grinder to grind, pass through a 120 mesh sieve, and control the bottom of the sieve The sieve residue of the material through the 325 mesh sieve is less than or equal to 13%; then add the titanium dioxide, and place it in a wok at a temperature of 200 ℃ for 30 minutes, then place it in a grinder to grind, and pass 500 Mesh screen, and control the s...

Embodiment 3

[0034] A PP plastic with phosphogypsum as a filler. Its raw material components are PVC2, phosphogypsum 20, PP100, PE3, titanium dioxide 2, nano silica 2, lauric acid diethanolamide 0.5, 3 by weight (unit: kg) -Aminopropyltriethoxysilane 0.2, (3-lauramidopropyl)trimethylammonium methyl sulfate 0.9, paraffin 0.2.

[0035] The nano-silica has a particle size of 500 nm.

[0036] The paraffin wax is liquid paraffin wax.

[0037] The preparation method of PP plastic with phosphogypsum as a filler includes the following steps:

[0038] (1) After mixing the phosphogypsum with nano silica, place it in a wok at a temperature of 160℃ and fry for 60 minutes, then place it in a grinder to grind, pass through a 120 mesh sieve, and control the bottom of the sieve After passing the 325 mesh sieve, the sieve residue is less than or equal to 13%; then add the titanium dioxide, and place it in a wok at a temperature of 190℃, and fry it for 25 minutes, then place it in a grinder to grind it over 400 S...

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Abstract

The invention relates to the technical field of PP (Polypropylene) plastic and particularly relates to PP plastic taking ardealite as packing and a preparation method of the PP plastic. The PP plastic is prepared by carrying out proportion design on the ardealite, titanium dioxide, nano silicon dioxide, paraffin, PVC (Polyvinyl Chloride), PP, PE (Polyethylene), lauric alkanolamide, 3-aminotriethoxysilane and (3-lauramidepropyl)trimethyl ammonium methosuflate, so that the obtained PP plastic has a relatively good antistatic effect, and relatively good tensile strength, impact strength, bending strength and bending modulus; the ardealite can be used as the packing for producing the PP plastic, so that the stockpiling pressure of the ardealite in a phosphorus chemical industry is alleviated, the comprehensive utilization rate of the ardealite is improved, the effective resource utilization of ardealite resources is realized, and the environment pollution is reduced.

Description

Technical field [0001] The invention relates to the technical field of PP plastics, in particular to a PP plastic with phosphogypsum as a filler and a preparation method thereof. Background technique [0002] General-purpose plastics generally refer to plastics with large output, wide use, good formability, and low prices. There are five varieties of general-purpose granular materials, namely polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), polystyrene (PS) and acrylonitrile-butadiene-styrene copolymer (ABS) . [0003] PP is a kind of thermoplastic resin made by polymerization of propylene. It has good heat resistance. The products can be sterilized at a temperature above 100°C, and will not deform at 150°C without external force. Polypropylene has good chemical stability. In addition to being corroded by concentrated sulfuric acid and concentrated nitric acid, it is relatively stable to various other chemical reagents. Polypropylene is suitable for making various...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/12C08L27/06C08L23/06C08L91/06C08K13/06C08K9/02C08K3/30C08K3/22C08K5/20C08K5/544C08K5/41
CPCC08L23/12C08L2205/02C08L2205/035C08L27/06C08L23/06C08L91/06C08K13/06C08K9/02C08K2003/3045C08K2003/2241C08K5/20C08K5/544C08K5/41
Inventor 杨步雷杨永彬向前勇王伟李泽钢
Owner GUIZHOU KAILIN PHOSPHOGYPSUM INTEGRATION UTILIZATION
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