Nano modified high-impact geogrid and preparation method thereof

A nano-modified, high-impact technology, applied in the field of geogrid manufacturing, can solve the problems of rising product weight per unit area, decreasing polymer tensile elongation, short geogrid stretching, etc., to achieve impact strength The effect of improving, increasing tensile elongation, and eliminating brittleness

Inactive Publication Date: 2015-01-28
ANHUI JIEAOMAKE SYNTHETIC MATERIAL TECH
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Problems solved by technology

However, after using glass fiber and carbon fiber, the tensile elongation of the polymer will be greatly reduced, resulting in a very short stretch of the geogrid, and an increase in the weight per unit area of ​​the product, which will increase the production cost instead, which is not conducive to achieving low cost. the goal of

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  • Nano modified high-impact geogrid and preparation method thereof

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Embodiment Construction

[0015] Below in conjunction with embodiment the present invention will be further described,

[0016] A nano-modified high-impact grid, which is processed from the following components by weight (kg): PP resin 70-80, MLLDPE 20-30, maleic anhydride grafted propylene 8-10, talcum powder 8 -10, titanate 1-2, nano strong powder 5-10, ZnO 0.2-0.4, antioxidant 1010 0.3-0.5, modified filler 15-20,

[0017] Wherein, the preparation method of the modified filler: a, take the following component raw materials by weight: calcium carbonate 75, kaolin 15, sodium polyacrylate 0.4, white oil 2, antioxidant 1010 0.2, stearic acid 0.3, concentration is 14 % sodium hydroxide solution 45, Tween 80 0.2, barium stearate 3, aluminum hydroxide 5, triethanolamine borate 1.5; b. Add calcium carbonate and kaolin to the sodium hydroxide solution, Grind down for 20-30 minutes, then add sodium polyacrylate, white oil, stearic acid, continue grinding for 5-10 minutes, then add Tween 80, barium ...

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Abstract

The invention relates to a nano modified high-impact geogrid. The nano modified high-impact geogrid is processed by the following raw material components in parts by weight: 70-80 parts of PP (polypropylene) resin, 20-30 parts of MLLDPE (metallocene polyethylene), 8-10 parts of maleic anhydride-grafted propylene, 8-10 parts of talcum powder, 1-2 parts of titanate, 5-10 parts of nano strong powder, 0.2-0.4 part of ZnO, 0.3-0.5 part of an antioxidant 1010 and 15-20 parts of modified filler. A preparation method of the nano modified high-impact geogrid comprises the following steps: mixing and extruding materials to obtain melt, molding the melt into a plate by virtue of a three-roller calender, punching the plate by virtue of a punching machine, stretching a pore plate after heating to obtain the geogrid. The geogrid processed by the preparation method disclosed by the invention has good mechanical performance, high impact strength and low cost.

Description

technical field [0001] The invention relates to the manufacture of geotechnical grids, in particular to a nano-modified high-impact grid and a preparation method thereof. Background technique [0002] With the development of the geosynthetics industry, more and more geogrid products have been introduced to the market. The main competition of geogrids is product performance and price and cost competition. Due to the wide range of fields and application areas of polypropylene geogrids, geogrids are required to have various properties. However, it is difficult to achieve these properties with only one polymer, so it is an inevitable trend in this industry to modify the geogrid formulation. Fiber reinforcement is a common and effective method in the preparation of high-performance materials, and the fibers used for reinforcement are generally glass fibers, carbon fibers, etc. The resin reinforcement effect obtained by filling these fibers is obvious, which can make the geogr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L23/08C08L51/06C08K13/06C08K3/34C08K3/22C08K5/134C08K9/04C08K3/26
CPCC08L23/12C08K2201/011C08K2201/014C08L2205/02C08L2205/03C08L2314/06C08L23/0815C08L51/06C08K13/06C08K9/00C08K2003/265C08K3/346C08K3/34C08K2003/2296C08K5/1345
Inventor 叶磊
Owner ANHUI JIEAOMAKE SYNTHETIC MATERIAL TECH
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