A kind of graphene oxide, sepiolite, polyamide 6 composite material and preparation method thereof

A composite material and sepiolite technology, applied in the direction of single-component polyamide rayon, rayon manufacturing, fiber chemical characteristics, etc., can solve problems such as poor modification effect, poor dispersion, and flammability of polyamide 6 , to achieve the effect of low modification cost, uniform dispersion and full dissolution

Active Publication Date: 2019-02-26
CHANGZHOU HIGHBERY NEW NANO MATERIALS TECH CO LTD +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the problems of poor dispersion, poor modification effect and flammability of polyamide 6 existing in modified polyamide 6 fiber, the present invention provides a graphene oxide, sepiolite, polyamide 6 composite material and a preparation method thereof. The invention is achieved by grafting and modifying the graphene oxide mixed solution and modified sepiolite to obtain a grafted modified product, and then polymerizing the graphene oxide and sepiolite grafted modified product and monomer caprolactam The purpose of modifying polyamide-6 with graphene oxide and sepiolite

Method used

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  • A kind of graphene oxide, sepiolite, polyamide 6 composite material and preparation method thereof
  • A kind of graphene oxide, sepiolite, polyamide 6 composite material and preparation method thereof
  • A kind of graphene oxide, sepiolite, polyamide 6 composite material and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Step 1, spray-dry 100kg graphene oxide slurry to obtain graphene oxide powder, the solid content of the graphene oxide slurry is 3%, purchased from Changzhou Sixth Element Materials Technology Co., Ltd.; then deionized The graphene oxide powder is washed and suction-filtered multiple times with water to obtain a graphene oxide filter cake, and the graphene oxide filter cake is microwave-dried to obtain pure graphene oxide powder. The purpose of washing and suction filtration is to remove Ka, Na, Mn, Ca, Mg, Al and other metal ions remaining in the graphene oxide preparation process.

[0032] Step 2, disperse the graphene oxide powder obtained in step 1 in 100kg of DMF solution, and obtain the graphene oxide DMF dispersion liquid through the composite mixing and dispersion mode of ultrasonic, shearing and emulsification simultaneously, and spray the dispersion liquid Dry to obtain nanoscale graphene oxide powder with a high monolayer rate, the obtained graphene oxide pow...

Embodiment 2

[0040] Step 1, 100kg of graphene oxide slurry is spray-dried to obtain graphene oxide powder, then the graphene oxide powder is washed and suction-filtered several times with deionized water to obtain a graphene oxide filter cake, and the graphene oxide powder is The filter cake was dried by microwave to obtain pure graphene oxide powder.

[0041] In step 2, ultrasonically disperse the graphene oxide powder obtained in step 1 in 100kg of N-methylpyrrolidone, and process it through high-frequency ultrasonic, high-speed shearing, and emulsification composite technology for 2 hours to obtain an N-methylpyrrolidone dispersion of graphene oxide, The dispersion liquid is spray-dried to obtain nanoscale graphene oxide powder with a high single-layer ratio. The obtained graphene oxide powder has a sheet diameter of 500 nm and a sheet thickness of 1.0 nm.

[0042] In step 3, the graphene oxide powder obtained in step 2 is dispersed in the aminocaproic acid aqueous solution at a ratio o...

Embodiment 3

[0049] Step 1, 100kg of graphene oxide slurry is spray-dried to obtain graphene oxide powder, then the graphene oxide powder is washed and suction-filtered several times with deionized water to obtain a graphene oxide filter cake, and the graphene oxide powder is The filter cake was dried by microwave to obtain pure graphene oxide powder.

[0050] Step 2, ultrasonically disperse the graphene oxide powder obtained in step 1 in 100kg of tetrahydrofuran, and process it for 3 hours through high-frequency ultrasonic, high-speed shearing, and emulsification composite technology to obtain a tetrahydrofuran dispersion of graphene oxide, and spray-dry the dispersion Nanoscale graphene oxide powder with a high monolayer ratio is obtained. The sheet diameter of the obtained graphene oxide powder is about 350 nm, and the sheet thickness is about 1.5 nm.

[0051] Step 3, the graphene oxide powder obtained in step 2 is dispersed in the aminocaproic acid aqueous solution according to the rat...

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Abstract

The invention discloses a composite material of graphene oxide, sepiolite and polyamide 6, and a preparation method thereof, and belongs to the field of polymer materials. In view of an inflammable problem of polyamide 6 fibers, the invention discloses the flame retardant polyamide 6 composite material for spinning; a graft-modified product is obtained by grafting modification of a graphene oxidemixed solution and modified sepiolite, and then the graphene oxide and sepiolite graft-modified product and a monomer caprolactam are subjected to a polymerization reaction to achieve the purpose of modification of polyamide 6 by graphene oxide and sepiolite. The polyamide 6 composite material not only has flame retardancy but also has multifunctionality.

Description

technical field [0001] The invention belongs to the field of polymer materials, and more specifically relates to a graphene oxide, sepiolite, polyamide 6 composite material and a preparation method thereof. Background technique [0002] Polyamide-6 fiber is a polycaprolactam fiber obtained by ring-opening polymerization and spinning of monomer caprolactam, also known as nylon 6 or nylon 6. It has the advantages of high mechanical strength, good toughness, wear resistance, and weak acid and alkali resistance. It is used in the fields of spinning and engineering plastics. However, with the acceleration of industrial modernization, traditional polyamide-6 can no longer meet people's needs, and multifunctional polyamide-6 fibers have become a development trend. [0003] At present, the main modification method is to modify the matrix resin containing polyamide-6, generally introducing glass fiber, nano-silica, carbon nanotubes, montmorillonite, mica, nano-silver, copper, zinc, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G69/16C08K9/06C08K9/02C08K3/34C08K3/04D01F6/90D01F1/10D01F1/07
CPCC08G69/16C08K3/04C08K3/346C08K9/02C08K9/06C08K2201/005D01F1/07D01F1/103D01F6/90
Inventor 梁燕曹建鹏蒋炎黄荣庆马宏明刘雪静戴树洌周露周良艳吴华杰姜文静高宇辉
Owner CHANGZHOU HIGHBERY NEW NANO MATERIALS TECH CO LTD
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