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PP (polypropylene) nano plastic and preparation method thereof

A nano-plastic and nano-technology, applied in the field of PP nano-plastics and its preparation, can solve the problems of low tensile strength, low hardness, and low impact strength of nano-plastics, and achieve the best friction and wear resistance, high strength, and low cost. Effect

Inactive Publication Date: 2016-05-25
张哲夫
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Aiming at the above technical problems, the present application provides a PP nanoplastic and its preparation method to solve the technical problems of low tensile strength, low hardness and low impact strength of existing nanoplastics.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Weigh 100 parts of PP according to the ratio of parts by weight; 3 parts of nano-organic montmorillonite; 2 parts of octadecyltrimethylammonium bromide; 2 parts of polydimethylsilane; 5 parts of PP grafted maleic anhydride; 1 part of silicon dioxide; 4 parts of nano-calcium carbonate; 6 parts of maleic anhydride grafted polyethylene; 1.5 parts of nano-mullite; 1.5 parts of silane coupling agent KH-570; 4 parts of nano-calcium oxide; 0.5 parts of aluminum.

[0025] Nano-organic montmorillonite is intercalated with octadecyltrimethylammonium bromide, and then mixed with polydimethylsiloxane in a high-speed mixer, and nano-silica, nano-calcium carbonate, malay Anhydride-grafted polyethylene, nano-mullite, nano-calcium oxide and nano-alumina were dried at 70°C for 10 minutes and then treated with silane coupling agent KH-570. The treated organic montmorillonite and the remaining raw materials were put into a reaction kettle equipped with a stirrer and a thermometer, heated...

Embodiment 2

[0029]Weigh 100 parts of PP according to the ratio of parts by weight; 7 parts of nano-organic montmorillonite; 6 parts of octadecyltrimethylammonium bromide; 8 parts of polydimethylsilane; 25 parts of PP grafted maleic anhydride; 5 parts of silicon dioxide; 8 parts of nano calcium carbonate; 10 parts of maleic anhydride grafted polyethylene; 5.5 parts of nano mullite; 3.5 parts of silane coupling agent KH-570; 8 parts of nano calcium oxide; Aluminum 4.5 parts.

[0030] Nano-organic montmorillonite is intercalated with octadecyltrimethylammonium bromide, and then mixed with polydimethylsiloxane in a high-speed mixer, and nano-silica, nano-calcium carbonate, malay Anhydride-grafted polyethylene, nano-mullite, nano-calcium oxide and nano-alumina were dried at 90°C for 30 minutes and then treated with silane coupling agent KH-570. The treated organic montmorillonite and the remaining raw materials were put into a reaction kettle equipped with a stirrer and a thermometer, heated ...

Embodiment 3

[0034] Weigh 100 parts of PP according to the ratio of parts by weight; 4 parts of nano-organic montmorillonite; 3 parts of octadecyltrimethylammonium bromide; 3 parts of polydimethylsilane; 10 parts of PP grafted maleic anhydride; 2 parts of silicon dioxide; 5 parts of nano calcium carbonate; 7 parts of maleic anhydride grafted polyethylene; 2.5 parts of nano mullite; 2 parts of silane coupling agent KH-570; 5 parts of nano calcium oxide; Aluminum 1.5 parts.

[0035] Nano-organic montmorillonite is intercalated with octadecyltrimethylammonium bromide, and then mixed with polydimethylsiloxane in a high-speed mixer, and nano-silica, nano-calcium carbonate, malay Anhydride-grafted polyethylene, nano-mullite, nano-calcium oxide and nano-alumina were dried at 70°C for 10 minutes and then treated with silane coupling agent KH-570. The treated organic montmorillonite and the remaining raw materials were put into a reaction kettle equipped with a stirrer and a thermometer, heated to...

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Abstract

The invention discloses a PP (polypropylene) nano plastic and a preparation method thereof. The PP nano plastic is prepared from nano organic montmorillonite, octadecyltrimethyl ammonium bromide, dimethyl polysiloxane PP grafted maleic anhydride, nano silicon dioxide, nano calcium carbonate, maleic anhydride grafted polyethylene, nano mullite, a silane coupling agent KH-570, nano aluminum oxide and nano calcium oxide. The product has high strength, the tensile strength is 45-65 MPa, and the Rockwell hardness is 120-140. The impact strength is 80-100 KJ / m<2>, and the Vicat softening point is 165-185 DEG C. The shrinkage is 0.3-0.7%, the bending strength is 55-75 MPa, and the bending modulus is 2500-4500 MPa. The melt flow index is 11.3-11.7 g / 10 minutes, and the elongation at break is 45-85%. The PP nano plastic has the advantages of excellent frictional wear and low cost, is simple to operate, and can be widely produced and continuously substituted for the existing materials.

Description

technical field [0001] The application belongs to the field of nano-plastic materials, and in particular relates to a PP nano-plastic and a preparation method thereof. Background technique [0002] Nanomaterials is a completely new scientific field that has just emerged in recent years. It involves knowledge in many fields such as aggregate physics, chemistry, materials, and biology. The core content of "nanotechnology" is how to solve the problem of agglomeration of nanoparticles. Since nanoparticles themselves are very easy to agglomerate, it is very difficult to obtain single dispersed nanoparticles. How to make nanoparticles evenly disperse into the matrix is ​​"nanotechnology". key technologies. [0003] At present, from the analysis of the application research reports of "nanotechnology", there are two methods that can be industrialized: 1. Nano intercalation technology, that is, n-MMT processed by intercalation is made with a certain degree of compactness and a certa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L83/16C08L51/06C08K13/06C08K9/04C08K3/34C08K3/36C08K3/26C08K3/22B29C47/92B29C48/92
CPCC08L23/12B29C48/92B29C2948/9258B29C2948/92704C08K2201/011C08L2205/025C08L2205/035C08L83/16C08L51/06C08K13/06C08K9/04C08K3/346C08K3/36C08K2003/265C08K2003/2227
Inventor 张哲夫
Owner 张哲夫
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