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Polyaryletherketone resin containing side carboxyl group and synthesis method thereof

A polyaryletherketone and a synthesis method technology are applied to polyaryletherketone resins, polyaryletherketone resins containing carboxyl side groups and their synthesis fields, which can solve the problems of complex reaction process, imprecise reaction and random experimental results. It is easy to control the content and easy to operate.

Pending Publication Date: 2022-02-01
ZHEJIANG PFLUON CHEM +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, because the graft modification only changes on the surface and does not involve the overall change, it is beneficial to preserve the excellent mechanical properties of PEEK, but the reaction process is complicated, the reaction is not precise enough, the repeatability is poor, and the experimental results are random. The grafting method needs further research on its mechanism
[0005] Chinese patent CN101381307A discloses 4-ethyl benzoate phenyl hydroquinone and its preparation method and application, by adopting homemade 4-ethyl benzoate phenyl hydroquinone and 4,4-difluorobenzoic acid Preparation of polyarylether polymers containing carboxyl side groups by reacting with ketones; Chinese patent CN106076128A introduces monomers containing phenolphthalein structure into the molecular chain to synthesize polyarylethers, and obtains carboxyl-containing polyarylethers by hydrolysis. Hydrophilic ultrafiltration membrane ;Because the 4-ethyl benzoate phenyl and phenolphthalein structure side groups introduced in the above-mentioned patents have a large steric hindrance, which inhibits the crystallization of polymers and affects the mechanical properties of the resin

Method used

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  • Polyaryletherketone resin containing side carboxyl group and synthesis method thereof
  • Polyaryletherketone resin containing side carboxyl group and synthesis method thereof
  • Polyaryletherketone resin containing side carboxyl group and synthesis method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] A kind of synthetic method that contains the polyaryletherketone resin of carboxyl side group, concrete steps are as follows:

[0044] Step 1: Into a 500ml four-necked reaction flask A equipped with a thermometer, an air inlet pipe, a reflux separator, and a stirrer with a torque display, nitrogen is introduced to remove oxygen, and then 10.9 grams (0.05mol) of 4,4'- Difluorobenzophenone, 4.2 grams of 2,5-dihydroxybenzoate, 1.85 grams of lithium carbonate, 0.7 grams of potassium carbonate, 90 grams of sulfolane and 20 grams of xylene, stirred, heated to 110 ° C, xylene and When the water azeotrope evaporates, the xylene is refluxed into the reactor through the reflux separator, and the water is released and weighed. When the temperature reaches 160°C, close the reflux valve to evaporate all the xylene, continue heating to 215°C, and keep the temperature constant for 60 minutes.

[0045]Step 2: In the same configuration of 1000ml four-port reactor B, pass nitrogen gas t...

Embodiment 2

[0050] A polyaryletherketone resin containing carboxyl side groups and a synthesis method thereof, the specific steps are as follows:

[0051] According to the same method as in Example 1, only the weight of the input materials in reactor A is adjusted to 21.8 grams of 4,4'-difluorobenzophenone, 8.4 grams of 2,5-dihydroxybenzoate, and 3.7 grams of lithium carbonate , 1.5 grams of potassium carbonate, 100 grams of sulfolane and 20 grams of xylene to finally obtain the polyaryletherketone polymer TS-2 containing carboxyl side groups.

Embodiment 3

[0053] A polyaryletherketone resin containing carboxyl side groups and a synthesis method thereof, the specific steps are as follows:

[0054] By the same method as in Example 1, except that the weight of raw materials added to reactor A is adjusted to 16.4 grams of 4,4'-difluorobenzophenone, 6.8 grams of 2,5-dihydroxybenzoic acid ethyl ester, and 2.8 grams of lithium carbonate , 1 gram of salt of wormwood and 100 grams of sulfolane and 20 grams of dimethylbenzene, the amount of raw materials added in the reactor B is adjusted to 30.8 grams of hydroquinone, 29.5 grams of sodium carbonate and 3 grams of potassium carbonate, and finally obtain the poly Aryl ether ketone polymer TS-3.

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Abstract

The invention relates to polyaryletherketone resin, in particular to polyaryletherketone resin containing a side carboxyl group and a synthesis method of the polyaryletherketone resin, belonging to the technical field of high polymer materials. The polyaryletherketone resin containing the side carboxyl group has a structural formula as shown in the specification. In the structural formula, (Ar) is a structure as shown in the specification, a ratio of m: n is equal to 1: (0.01-1), and m and n are mole numbers. The synthesis method of the polyaryletherketone resin containing the side carboxyl group is simple and convenient to operate, and the content of the side carboxyl group on a product molecular chain is easy to control.

Description

technical field [0001] The invention relates to a polyaryletherketone resin, in particular to a polyaryletherketone resin containing carboxyl side groups and a synthesis method thereof, belonging to the technical field of polymer materials. Background technique [0002] Polyether ether ketone (PEEK) has an elastic modulus similar to that of human natural bone, and has good biocompatibility and chemical stability, and has become a popular material for bone implants. In the late 1990s, PEEK was approved by the US FDA as an implantable biomaterial. However, the surface of PEEK implants is smooth and hydrophobic, showing biological inertness, and the implants are not easy to bond with bone tissue, which may lead to poor osseointegration, resulting in clinical implant failure, which limits its wider clinical application. [0003] According to the composition and structure of bone tissue, many methods have been proposed to change the structure of PEEK and functionalize the surfac...

Claims

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Application Information

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IPC IPC(8): C08G65/40
CPCC08G65/4012C08G65/4093
Inventor 陆学庆王锡铭
Owner ZHEJIANG PFLUON CHEM
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