Fiber-modified antioxidant geogrid and preparation method thereof

A geogrid and fiber modification technology, applied in the field of geogrid, can solve the problems of poor compatibility of dispersed matrix, limited application field and use effect, insoluble in water and organic dissolution, etc., to achieve delay Oxidative degradation process, improve antioxidant performance, avoid the effect of free radical decomposition

CN105949582AInactive Publication Date: 2016-09-21ANHUI JIEAOMAKE SYNTHETIC MATERIAL TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2016-09-21
Estimated Expiration
Not applicable · inactive patent
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Abstract

The invention discloses a fiber-modified antioxidant geogrid. The fiber-modified antioxidant geogrid comprises the following raw materials in parts by weight: 0.7 to 1 part of calcium fluoride, 3 to 4 parts of polyurethane, 10 to 17 parts of poly propyleneimine, 6 to 8 parts of tert-Butyl acrylate, 0.1 to 0.3 part of lithium aluminium hydride, 0.3 to 1 part of 4-dimethylamino pyridine, 0.4 to 1 part of an antioxidant 1010, 10 to 15 parts of multiwalled carbon nanotube, 0.6 to 1 part of an antioxidant 1680, 140 to 160 parts of high-density polyethylene, 2 to 3 parts of cellulose propionate, 1 to 2 parts of sodium carboxymethyl cellulose, 0.3 to 1 part of polydimethylsiloxane, 2 to 3 parts of ammonium zirconium hexafluoride, 0.1 to 0.2 part of pyromellitic dianhydride, 1 to 2 parts of tetrahydrofurfuryl alcohol, and 10 to 13 parts of calcined kaolin. According to the fiber-modified antioxidant geogrid, cellulose propionate and sodium carboxymethyl cellulose are added, so that the dispersity of fillers in a polymer can be effectively improved, and as a result, the intensity of a finished product can be improved.
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Description

technical field

[0001] The invention relates to the technical field of geogrids, in particular to a fiber-modified anti-oxidation geogrid and a preparation method thereof. Background technique

[0002] As a typical one-dimensional nanomaterial, carbon nanotubes have a large aspect ratio, ultra-high elastic modulus and bending strength, unique electrical conductivity, excellent thermal conductivity, and strong acid resistance compared with traditional fillers. , strong alkali and other advantages. Studies have shown that by combining carbon nanotubes and polyolefins to fully combine their respective properties, a multifunctional polyolefin / carbon nanotube composite material with excellent mechanical, electrical conductivity, and flame-retardant properties can be prepared. The potential huge advantages of polyolefin / carbon nanotube composite materials have attracted extensive attention from researchers at home and abroad;

[0003] Although compared with ordinary polymer mate...

Examples

Embodiment Construction

[0019] A fiber modified anti-oxidation geogrid, which is composed of the following raw materials in parts by weight:

[0020] Calcium fluoride 0.7, polyurethane 3, polypropylene imine 10, tert-butyl acrylate 6, lithium aluminum hydride 0.1, 4 dimethylaminopyridine 0.3, antioxidant 10100.4, multi-walled carbon nanotubes 10, antioxidant Agent 1680.6, high-density polyethylene 140, cellulose propionate 2, sodium carboxymethyl cellulose 1, polydimethylsiloxane 0.3, ammonium fluorozirconate 2, pyromellitic dianhydride 0.1, tetrahydrofurfuryl alcohol 1 10. Calcined kaolin.

[0021] A preparation method of the fiber-modified anti-oxidation geogrid comprises the following steps:

[0022] (1) Add the above-mentioned polypropyleneimine to 70 times its weight of anhydrous methanol, dropwise add the above-mentioned tert-butyl acrylate under nitrogen atmosphere, stir at room temperature for 20 hours after the dropwise addition, and vacuum-dry at 36°C for 24 hours , added to tetrahydrofur...