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Quaternary copolymerized polyaryletherketone as well as preparation method and application thereof

A technology for quaternary copolymerization of polyarylether and aryl ether ketone, which is applied in the field of quaternary copolymerization of polyarylether ketone and its preparation, can solve problems such as limitations, achieve low crystallization rate, increase molecular steric hindrance, and good mechanical properties Effect

Active Publication Date: 2021-06-15
黑龙江英创新材料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The Chinese patent with the publication number CN 104761717 B discloses a method for preparing a series of polyaryletherketone resins through a four-member copolymerization method. The molecular chain of the polyaryletherketone tetrapolymer includes a nitrogen-containing heteroatom structure. The interaction between the lone pair of electrons on the surface and the metal matrix makes the copolymer have better adhesion to the metal substrate to improve the binding ability of polyaryletherketone and metal. Although it is a quaternary copolymerization, its polyaryl ether ketone The etherketone tetrapolymer structure is non-crystalline polyetheretherketone, which limits its application

Method used

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  • Quaternary copolymerized polyaryletherketone as well as preparation method and application thereof
  • Quaternary copolymerized polyaryletherketone as well as preparation method and application thereof
  • Quaternary copolymerized polyaryletherketone as well as preparation method and application thereof

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preparation example Construction

[0040] The present invention provides a preparation method of the quaternary copolymerized poly(aryl ether ketone) described in the above technical scheme, comprising the following steps:

[0041] Mixing difluoro monomers, diphenol monomers, catalysts, and organic solvents to perform a salt-forming reaction to obtain the first product;

[0042] The first product is subjected to a polymerization reaction to obtain a quaternary copolymerized polyaryletherketone;

[0043] The difluoromonomer includes 4,4'-difluorobenzophenone, and the difluoromonomer also includes 1,4-bis(4-fluorobenzoyl)benzene or 1,3-bis(4- (fluorobenzoyl)benzene;

[0044] The diphenol monomer is hydroquinone, resorcinol, diphenol, 4,4'-dihydroxybiphenyl, 3,4'-dihydroxybiphenyl, 3,3'-dihydroxybiphenyl Benzene, 4,4'-dihydroxydiphenyl ether, 3,4'-dihydroxydiphenyl ether, 3,3'-dihydroxydiphenyl ether, 1,4-bis(4-hydroxyphenoxy)benzene, 1,3-bis(3-hydroxyphenoxy)benzene, 1,3-bis(4-hydroxyphenoxy)benzene, 1,4-bis(3...

Embodiment 1

[0066] Add 0.080mol of 4,4'-difluorobenzophenone, 0.020mol of 1,4-bis(4-fluorobenzoyl)benzene, 0.080mol of hydroquinone, 0.020 mol of resorcinol, 0.20 mol of potassium carbonate and 139.6 g of diphenyl sulfone to make the solid content of the resulting mixed system 20%, feed nitrogen gas as a protective gas, heat the reaction system until the temperature reaches 160°C and keep the temperature for 2 hours to carry out the salt-forming reaction Finally, when the temperature in the reaction vessel is raised to 240°C, the polymerization is carried out at a constant temperature for 2 hours; the polymerization is carried out at a constant temperature of 315°C for 4 hours; Dry, obtain quaternary copolymerization polyaryletherketone, be denoted as sample 1, structural formula is:

[0067] And n=10-800.

Embodiment 2

[0069] Add 0.080mol of 4,4'-difluorobenzophenone, 0.020mol of 1,4-bis(4-fluorobenzoyl)benzene, 0.080mol of hydroquinone, 0.020 mol of 4,4'-dihydroxybiphenyl, 0.20 mol of sodium carbonate and 109.2 g of diphenyl sulfone, so that the solid content of the resulting mixed system is 25%, nitrogen gas is passed in as a protective gas, and the temperature of the reaction system reaches 170°C by heating. After the salt-forming reaction at a constant temperature for 2 hours, when the temperature in the reaction vessel is raised to 255°C, the polymerization is carried out at a constant temperature for 3 hours; continue heating to a temperature of 320°C, and the polymerization reaction is carried out at a constant temperature for 3 hours; after the reaction is completed, the obtained products are sequentially discharged , washing, pulverizing and drying to obtain quaternary copolymerized polyaryletherketone, which is designated as sample 2, and the structural formula is:

[0070] And n...

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Abstract

The invention provides quaternary copolymerized polyaryletherketone as well as a preparation method and application thereof, and belongs to the technical field of polyaryletherketone resin synthesis. According to the quaternary copolymerized polyaryletherketone provided by the invention, a quaternary copolymerized structure of the quaternary copolymerized polyaryletherketone can increase a molecular chain distortion structure, increase molecular steric hindrance and effectively limit an ordering process and an ordering degree of a molecular chain, so that the crystallization rate and the melting point of a polymer are greatly reduced. The quaternary copolymerized polyaryletherketone provided by the invention has the characteristics of low melting point and low crystallization rate, so that the resin has a very wide processing window, the requirements of a long-time processing method and secondary processing can be met, and conditions are easier to control; and after processing and molding, the crystallization degree of the product can be regulated and controlled through heat processing of the product, so that the product has good mechanical properties and is particularly suitable for injection molding, extrusion molding and molding of thermoplastic composite materials.

Description

technical field [0001] The invention relates to the technical field of synthesis of polyaryletherketone resins, in particular to a quaternary copolymerized polyaryletherketone and its preparation method and application. Background technique [0002] Polyaryletherketone is an important special engineering plastic with excellent comprehensive properties such as heat resistance, wear resistance and radiation resistance, and has important applications in the fields of aerospace, mechanization, and electrical electronics. Traditional polyaryletherketone is a kind of thermoplastic semi-crystalline polymer, and the existence of semi-crystalline structure makes polyaryletherketone products have excellent mechanical properties. However, the existence of semi-crystalline structure also makes the processing temperature of polyaryletherketone materials high, so the requirements for the temperature resistance level and dimensional accuracy of processing equipment are very high, resulting...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G65/40
CPCC08G65/4012C08G2650/40
Inventor 王大明周宏伟赵晓刚陈春海
Owner 黑龙江英创新材料有限公司
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