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Bisphenol Z containing polyaryletherketone random segmented copolymer and preparation method thereof

A kind of random block, polyaryl ether ketone technology, applied in the field of polymer material preparation

Inactive Publication Date: 2013-05-22
JILIN ZHONGYAN HIGH PERFORMANCE PLASTIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Obviously, polyaryletherketone products with limited varieties are difficult to meet the needs of current industrial development. Therefore, it is necessary to develop new varieties of polyaryletherketones with easy-to-process characteristics, so as to overcome the poor solubility of commonly used polyaryletherketones in solvents. To facilitate the processing of polyaryletherketone and meet the needs of various applications

Method used

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  • Bisphenol Z containing polyaryletherketone random segmented copolymer and preparation method thereof
  • Bisphenol Z containing polyaryletherketone random segmented copolymer and preparation method thereof
  • Bisphenol Z containing polyaryletherketone random segmented copolymer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] In a three-necked flask reactor equipped with a stirring device and a reflux condensation water separation device, under nitrogen protection, add 44.31 g (0.2 mol) of 4,4'-difluorobenzophenone and 19.82 g (0.18 mol) of hydroquinone , bisphenol Z 5.367g (0.02 mol), 120 g diphenylsulfone and anhydrous potassium carbonate 26.40 g (0.197 mol), at 200-300 o Slowly raise the temperature between C and form salt for 2.5 hours, and then at 320 o C polymerized for 4 hours. The reaction product was poured into water for precipitation, crushed, washed with acetone backflush for 5 times, boiled with water for 5 times, filtered and dried (130 o C) Obtain ηi=0.80 dL / g (0.1% concentrated sulfuric acid solution, 25 o C) the polyaryletherketone block copolymer containing bisphenol Z, the productive rate is 95%.

[0023] The thermogravimetric analysis curve and stress-strain curve of the obtained block copolymer are as figure 1 and figure 2 shown. From figure 1 It can be seen that...

Embodiment 2

[0025] In a three-necked flask reactor equipped with a stirring device and a reflux condensation water separation device, under nitrogen protection, add 44.31 g (0.2 mol) of 4,4'-difluorobenzophenone and 19.82 g (0.18 mol) of hydroquinone , bisphenol Z 5.367g (0.02 mol), 120 mL sulfolane and toluene 100mL, stir to dissolve, add anhydrous potassium carbonate 26.40 g (0.197 mol), stir and heat up to 120 o C salt-forming reaction for 2h, the water generated by the reaction is taken out, and then the temperature is raised to the next reaction temperature range, and toluene is released during the heating process, and the temperature is raised to 200 o After C reacted for 1h, continue to raise the temperature to 230 o C reacted for 4h. The reaction product was poured into water for precipitation, crushed, washed with acetone backflush for 5 times, boiled with water for 5 times, filtered and dried (130 o C) Obtain ηi=0.78 dL / g (0.1% concentrated sulfuric acid solution, 25 o C) the...

Embodiment 3

[0027] The method is the same as in Example 1, keeping the molar number of 4,4'-difluorobenzophenone unchanged (0.2 mol), changing the molar content of bisphenol Z to 0.06 mol, 0.08 mol, 0.10 mol, and 0.12 mol in sequence, while for The molar content of hydroquinone was changed to 0.14 mol, 0.12 mol, 0.10 mol, and 0.08 mol in turn. After the same steps as in Example 1, polyaryletherketone block copolymers with different bisphenol Z group contents were obtained, producing The rate is between 95% and 98%. The inherent viscosity ηi is between 0.60 dl / g and 0.92 dl / g. The obtained product has thermal properties and mechanical properties close to those of Example 1.

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Abstract

The invention relates to a bisphenol Z containing polyaryletherketone random segmented copolymer and a preparation method thereof. The method comprises the following step of performing nucleophilic substitution polycondensation in a reaction medium to prepare the bisphenol Z containing polyaryletherketone random segmented copolymer based on bisphenol Z, hydroquinone and 4, 4-difluoro benzophenone as reaction monomers and an alkali metal salt as a salt-forming agent and catalyst. The bisphenol Z containing polyaryletherketone random segmented copolymer prepared by the invention is good in solubility, thermal stability and mechanical property, the raw materials are easy to obtain, and the preparation method is simple and suitable for industrialized production, so that the copolymer has good application prospect in the fields of functional structural materials, high-temperature-resisting coatings, high-temperature-resisting separation films, solvent coatings, micro-electronics and the like.

Description

technical field [0001] The invention relates to a preparation method of a polymer material, in particular to a polyaryletherketone random block copolymer containing bisphenol Z and a preparation method thereof. Background technique [0002] Polyaryletherketone, as a fully aromatic semi-crystalline polymer, has very excellent chemical, mechanical and heat resistance properties, so it is widely used in the fields of electronic appliances, mechanical instruments, transportation, aerospace and other fields. A high-performance polymer with great development prospects. [0003] For most polyaryletherketone varieties, due to the rigidity and crystallinity of molecular chains, the molecular chains are tightly packed, resulting in poor solubility and high melting temperature, so only thermoforming methods and processing methods can be used. single, which limits their applications. [0004] Chen Jianding and others mentioned in the patent ZL200910044951.8 entitled "Hexafluoroisoprop...

Claims

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Application Information

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IPC IPC(8): C08G65/40
Inventor 李智亮
Owner JILIN ZHONGYAN HIGH PERFORMANCE PLASTIC
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