Polyacrylonitrile material and preparation method thereof

A technology of polyacrylonitrile and grafted polypropylene is applied in the field of polyacrylonitrile material and its preparation, which can solve the problems of easy fracture of products, affecting service life, poor mechanical strength, etc., and achieves easy industrial production and good mechanical strength. , the effect of good surface properties

Inactive Publication Date: 2015-12-16
SUZHOU YUNSHU NEW MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing polyacrylonitrile composite materials have poor mechanical strength, and the products are prone to breakage, which affects their service life, so their applications are greatly restricted in many fields

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] (1) Weigh 79kg of polyacrylonitrile, 15kg of polyamide fiber, 7kg of maleic anhydride grafted polypropylene, 5kg of triethylene glycol dimethacrylate, 1,8-diazabicyclo (5,4,0 ) 2kg of 7-undecene, 2kg of ethylene glycol montan cerate, 0.5kg of di-n-butyltin dilaurate, mix well;

[0033] (2) Add the above components into a high-pressure homogenizer at 68°C and 18Mpa and mix evenly, slowly add a mixture of 0.02kg of tung oil anhydride and 3kg of propylene oxide butyl ether, and add it to a twin-screw extruder, 20kg of glass fibers and 0.5kg of barium metaborate were added to the side feeding port of the machine, melted, extruded, dried, and pelletized to obtain polyacrylonitrile materials.

[0034] The temperature of each section of the twin-screw extruder is as follows: the temperature of the first zone is 180°C, the temperature of the second zone is 210°C, the temperature of the third zone is 240°C, and the temperature of the fourth zone is 220°C.

[0035] The performan...

Embodiment 2

[0037] (1) Weigh 79kg of polyacrylonitrile, 15kg of polyamide fiber, 7kg of maleic anhydride grafted polypropylene, 5kg of triethylene glycol dimethacrylate, 1,8-diazabicyclo (5,4,0 ) 2kg of 7-undecene, 2kg of ethylene glycol montan cerate, 0.5kg of di-n-butyltin dilaurate, 2kg of trimethyl metasilicate, mix well;

[0038] (2) Add the above components into a high-pressure homogenizer at 68°C and 18Mpa and mix evenly, slowly add a mixture of 0.02kg of tung oil anhydride and 3kg of propylene oxide butyl ether, and add it to a twin-screw extruder, 20kg of glass fibers and 0.5kg of barium metaborate were added to the side feeding port of the machine, melted, extruded, dried, and pelletized to obtain polyacrylonitrile materials.

[0039] The temperature of each section of the twin-screw extruder is as follows: the temperature of the first zone is 180°C, the temperature of the second zone is 210°C, the temperature of the third zone is 240°C, and the temperature of the fourth zone is...

Embodiment 3

[0042] (1) Weigh 86kg of polyacrylonitrile, 25kg of polyamide fiber, 9kg of maleic anhydride grafted polypropylene, 11kg of triethylene glycol dimethacrylate, 1,8-diazabicyclo (5,4,0 ) 6kg of 7-undecene, 3kg of ethylene glycol montan cerate, 2kg of di-n-butyltin dilaurate, 2kg of trimethyl metasilicate, mix well;

[0043] (2) Add the above components into a high-pressure homogenizer at 75°C and 21Mpa and mix evenly, slowly add a mixture of 1.5kg of tung oil anhydride, 7kg of propylene oxide butyl ether and 2kg of ethyl cellulose, and then add it into a twin-screw extruder In the process, 25 kg of montmorillonite and 1 kg of barium metaborate were added to the side feeding port of the twin-screw extruder, melted, extruded, dried, and pelletized to obtain polyacrylonitrile materials.

[0044] The temperature of each section of the twin-screw extruder is as follows: the temperature of the first zone is 200°C, the temperature of the second zone is 240°C, the temperature of the thi...

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PUM

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Abstract

The invention discloses a polyacrylonitrile material and a preparation method thereof. The polyacrylonitrile material is prepared from components in parts by weight as follows: 79-86 parts of polyacrylonitrile, 20-25 parts of inorganic filler, 15-25 parts of polyamide fiber, 7-9 parts of maleic anhydride grafted polypropylene, 5-11 parts of triethylene-glycol dimethacrylate, 3-7 parts of epoxypropane butyl ether, 2-6 parts of 1,8-diazabicyclo(5,4,0)-undec-7-ene, 2-3 parts of montan wax acid ethylene diester, 0.5-2 parts of dibutyltin dilaurate, 0.5-1 part of barium metaborate and 0.02-1.5 parts of tung oil anhydride. The invention further provides a preparation method of the polyacrylonitrile material.

Description

technical field [0001] The invention belongs to the field of polymer materials, in particular to a polyacrylonitrile material and a preparation method thereof. Background technique [0002] Polyacrylonitrile is obtained by free radical polymerization of monomer acrylonitrile. The acrylonitrile units in the macromolecular chain are linked by linker-tail. It is mainly used to prepare polyacrylonitrile fiber. The strength of polyacrylonitrile fiber is not high, and its wear resistance and fatigue resistance are also poor. The advantage of polyacrylonitrile fiber is that it has good weather resistance and sun resistance, and it can maintain 77% of its original strength after being placed outdoors for 18 months. It is also resistant to chemical agents, especially mineral acids, bleaching powder, hydrogen peroxide and general organic agents. [0003] The existing polyacrylonitrile composite materials have poor mechanical strength, and the produced products are prone to breakage...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L33/20C08L77/00C08L51/06C08L1/28C08K13/04C08K7/14C08K7/10C08K7/20C08K3/38C08K3/34C08K5/1515B29C47/92B29C48/92
Inventor 戴晓宸
Owner SUZHOU YUNSHU NEW MATERIAL TECH
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