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Amino-functionalized-polyolefin-elastomer-toughened nylon composite material and production method thereof

A technology of polyolefin elastomer and nylon composite materials, which is applied in the field of polymer composite materials to achieve good tensile strength, excellent mechanical properties, poor toughness, non-toxic and tasteless effects

Active Publication Date: 2019-05-07
WANHUA CHEM GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

U.S. Patent US3755279 and document J.Am.Chem.Soc.1992,114,9679 both reported the synthesis method of amine-functionalized polyolefin, but the case of the above-mentioned amine-functionalized polyolefin toughened modified nylon has not yet been reported

Method used

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  • Amino-functionalized-polyolefin-elastomer-toughened nylon composite material and production method thereof
  • Amino-functionalized-polyolefin-elastomer-toughened nylon composite material and production method thereof
  • Amino-functionalized-polyolefin-elastomer-toughened nylon composite material and production method thereof

Examples

Experimental program
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Effect test

preparation example 1

[0020] Synthesis steps of amino-functionalized polyolefin elastomer: adopt cationic metallocene coordination polymerization method, add 80g of octene and 30g of allylamine to 1L of alkane mixed solvent, make a solution with a concentration of 1g / 10ml, and then add it to the reaction In the kettle, after heating up to 120°C, ethylene gas was introduced to control the pressure inside the kettle to 2.5MPa. Add 1 mg of the main catalyst dimethylsilyl-tert-butylaminoindenyl titanium dichloride and 0.25 ml of the co-catalyst 10 wt % methylalumoxane toluene solution into the reactor, stir and react for 15 minutes to obtain a reactant solution, and transfer the reaction solution to The solid was precipitated in absolute ethanol, filtered and dried to obtain an amino-functionalized polyolefin elastomer with an insertion rate of the amino-functionalized monomer used in Examples 1-5 of 5 wt%.

preparation example 2

[0022] Synthesis steps of amino-functionalized polyolefin elastomer: adopt cationic metallocene coordination polymerization method, add 90g of octene and 10g of allylamine to 1L of alkane mixed solvent, make a solution with a concentration of 1g / 10ml, and then add it to the reaction In the kettle, after heating up to 120°C, ethylene gas was introduced to control the pressure inside the kettle to 2.5MPa. Add 1 mg of the main catalyst dimethylsilyl-tert-butylaminoindenyl titanium dichloride and 0.25 ml of the co-catalyst 10 wt % methylalumoxane toluene solution into the reactor, stir and react for 15 minutes to obtain the reactant solution, and transfer the reaction solution to The solid was precipitated into absolute ethanol, filtered and dried to obtain an amino-functionalized polyolefin elastomer with an insertion rate of the amino-functionalized monomer used in Example 6 of 2 wt%.

preparation example 3

[0024] Synthesis steps of amino-functionalized polyolefin elastomer: adopt cationic metallocene coordination polymerization method, add 75g of octene and 25g of allylamine to 1L of alkane mixed solvent, make a solution with a concentration of 1g / 10ml, and then add it to the reaction In the kettle, after heating up to 120°C, ethylene gas was introduced to control the pressure inside the kettle to 2.5MPa. Add 1 mg of the main catalyst dimethylsilyl-tert-butylaminoindenyl titanium dichloride and 0.25 ml of the co-catalyst 10 wt % methylalumoxane toluene solution into the reactor, stir and react for 15 minutes to obtain the reactant solution, and transfer the reaction solution to The solid was precipitated into absolute ethanol, filtered and dried to obtain an amino-functionalized polyolefin elastomer with an insertion rate of the amino-functionalized monomer used in Example 7 of 4 wt%.

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Abstract

The invention discloses an amino-functionalized-polyolefin-elastomer-toughened super-tough nylon composite material and a production method thereof. A peroxy cross-linking agent and polar monomer arenot required in a production process of the composite material, thus side reaction of cross-linking, degradation and the like in a processing process are effectively avoided, the produced high-tenacity nylon composite material has good processing performance, and has good tensile strength and excellent tenacity at the same time, balance of rigidity and tenacity is achieved certainly, and application prospects of the nylon material are broadened. The high-tenacity nylon comprises the following components of 50-97 parts by weight of nylon resin, 2-50 parts by weight of amino-functionalized polyolefin elastomer and 0-0.8 parts by weight of antioxidant.

Description

technical field [0001] The invention belongs to the field of polymer composite materials, in particular to a nylon composite material toughened by amino-functionalized polyolefin elastomer and a preparation method thereof. Background technique [0002] Nylon is the earliest developed and most widely used variety of thermoplastic engineering plastics, and it is also one of the most produced varieties of polyamide plastics. PA66 has excellent comprehensive properties such as high mechanical strength, good electrical properties, wear resistance, shock resistance and sound absorption, oil resistance, acid and alkali resistance, wide operating temperature range and organic solvents. It is widely used in automobiles, mechanical parts, electrical appliances, packaging, etc. etc., but at the same time, there are also disadvantages such as low dry and low temperature impact strength, poor toughness, and high melt fluidity, which greatly limit its application range. Polyolefin elasto...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/06C08L23/08
Inventor 黄玲燕黄明路刘帮明林小杰王勤隆陈杰王丹王雷雷卢福广李祥陈冠良张田财石正喜王金强
Owner WANHUA CHEM GRP CO LTD
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