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A kind of modified polypropylene material and its preparation method and application

A polypropylene material and modification technology, applied in the field of polypropylene materials, can solve the problems of material performance decline, affecting product functions, etc., and achieve the effects of low cost, improved production efficiency, and simple processing technology

Active Publication Date: 2015-08-26
XIAMEN RUNNER IND CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is easy to react with highly polar materials or small molecular monomers in PP materials, resulting in a decrease in material performance and ultimately affecting the function of the product

Method used

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  • A kind of modified polypropylene material and its preparation method and application
  • A kind of modified polypropylene material and its preparation method and application
  • A kind of modified polypropylene material and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] According to the following formula: homopolypropylene 35%; copolymerized polypropylene 15%; polypropylene grafted maleic anhydride 5%; polystyrene 10%; talc 33%; 3-aminopropyltriethoxysilane 1% ; Ethylene bis stearamide 1% blending extrusion granulation into PP modified materials and molding products and post-processing.

[0030] The specific implementation steps are:

[0031] Step 1: Weigh the talcum powder according to the mass ratio, add it into the high-speed mixer and stir for 20-30 minutes (rotation speed is 1000r / min), dry the talcum powder and the temperature reaches 120°C.

[0032] Step 2: Weigh the 3-aminopropyltriethoxysilane coupling agent according to the mass ratio, and evenly spray the 3-aminopropyltriethoxysilane coupling agent on the stirring talcum powder.

[0033] Step 3: After spraying the coupling agent, continue to stir at high speed for 20-30 minutes (rotation speed: 2000r / min), add ethylene bis-stearamide weighed according to the mass ratio, and...

Embodiment 2

[0040] According to the following formula: homopolypropylene 15%; copolymerized polypropylene 35%; polypropylene grafted maleic anhydride 5%; polystyrene 10%; calcium carbonate powder 33%; Acyloxy) titanate 1%; Ethylene bis stearamide 1% blending, extruding, granulating into PP modified material and forming products and post-processing.

[0041] The specific implementation steps are:

[0042] Step 1: Weigh the calcium carbonate powder according to the mass ratio, add it into the high-speed mixer and stir for 20-30 minutes (the speed is 1000r / min), so that the calcium carbonate powder is dried and the temperature reaches 120°C.

[0043] Step 2: Weigh tetraisopropyl bis (dioctyl phosphite acyloxy) titanate coupling agent according to the mass ratio, and couple tetraisopropyl bis (dioctyl phosphite acyl) titanate The joint agent is evenly sprayed onto the calcium carbonate powder being stirred.

[0044] Step 3: After spraying the coupling agent, continue to stir at high speed f...

Embodiment 3

[0051] According to the following formula: homopolypropylene 15%; copolymerized polypropylene 35%; polypropylene grafted maleic anhydride 5%; polystyrene 20%; alumina powder 10%; calcium carbonate powder 13%; (Dioctyl phosphite acyloxy) titanate 1%; Ethylene bis stearamide 1% blending extrusion granulation into PP modified material and molding products and post-treatment.

[0052] The specific implementation steps are:

[0053] Step 1: Weigh the alumina powder and calcium carbonate powder according to the mass ratio, add them into a high-speed mixer and stir for 20-30 minutes (rotation speed: 1000r / min), dry the alumina powder and calcium carbonate powder and the temperature reaches 120°C.

[0054] Step 2: Weigh tetraisopropyl bis (dioctyl phosphite acyloxy) titanate coupling agent according to the mass ratio, and couple tetraisopropyl bis (dioctyl phosphite acyl) titanate The joint agent is evenly sprayed onto the calcium carbonate powder being stirred.

[0055] Step 3: Aft...

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PUM

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Abstract

The invention relates to a polypropylene material and provides a modified polypropylene material, and a preparation method and application thereof, and the modified polypropylene material can withstand chloramine corrosion test and has a high bonding force with a coating. The modified polypropylene material comprises 50 to 75% of polypropylene, 3 to 5% of a compatilizer, 5 to 20% of polystyrene, 10 to 35% of inorganic mineral powder, 0.3 to 1% of a lubricant and 0.5 to 1% of a coupling agent. Granules of the modified polypropylene material are obtained by mixing, stirring and drying the inorganic mineral powder, sprinkling the coupling agent onto the inorganic mineral powder, carrying out stirring, then adding the lubricant, continuing stirring, adding polypropylene, polystyrene and the compatilizer, resuming stirring to obtain a mixed raw material, placing the mixed raw material into a twin-screw extrusion granulator, carrying out melt extrusion to form wires and carrying out cooling and grain cutting.

Description

technical field [0001] The invention relates to a polypropylene material, in particular to a modified polypropylene (PP) material with good bonding force with an organic coating and its preparation method and application. Background technique [0002] In the bathroom industry, many products are decorated with traditional water electroplating after injection molding of ABS materials, such as shower heads, plastic faucets, shower heads, etc. Ordinary ABS material products after water electroplating, have a metal appearance decoration and improve the corrosion resistance and aging resistance of the product. Make the product have better use function. However, the traditional ABS water electroplating is a seriously polluting operation method, which will produce a large amount of wastewater containing heavy metals, so it will gradually be eliminated by the market. At present, the process that can replace water electroplating on the market is the process of painting combined with...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/14C08L23/12C08L25/06C08L51/06C08L51/00C08K9/04C08K9/06C08K3/34C08K3/26C08K3/22B29C47/92B29C48/92
CPCB29C47/92B29C47/0066B29C47/0011B29C47/8815B29C48/0022B29C48/04B29C48/05B29C48/40B29C48/911
Inventor 黄贤明陈明辉李明仁
Owner XIAMEN RUNNER IND CORP
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