POLY(2,6-DIMETHYL-1,4-PHENYLENE OXIDE) Chemische Eigenschaften,Einsatz,Produktion Methoden

Chemische Eigenschaften

white to off-white powder

Verwenden

Imidazolium modified PPO with liquid ionic graphene oxide can be used as an anion exchange membrane (AEM) composite with a peak power density of 136 mW cm^?2 for use in the fabrication of high performance fuel cells. It may also be sulfonated to form a long chained polymeric structure with an efficiency of 81.8% at a current density of 120 mA cm^?2 for potentiall use in vanadium redox flow batteries (VRFBs) as effective energy storage systems. It may also be used in the formation of AEMs, which can be used in the development of microbial desalination cell system (MDCS).

synthetische

Oxidative coupling is readily accomplished by passing oxygen into a reaction mixture containing 2,6-xylenol, pyridine and cuprous chloride. (The molar ratio of pyridine to cuprous ion is generally in the range 10: 1 to 100: 1.) External heating is unnecessary; during the course of the reaction the temperature rises to about 70??C. The polymer is precipitated with dilute hydrochloric acid and collected by filtration.
It is generally accepted that aryloxy radicals are intermediates in the polymerization reaction since ESR studies have shown the presence of both monomeric and polymeric aryloxy radicals in polymerizing solutions of 2,6- xylenol. The simplest mechanism that can be suggested for the reaction is aromatic substitution:

Allgemeine Beschreibung

Poly(2,6-dimethyl-1,4-phenylene oxide) (PPO) is an anion exchange membrane (AEM) material that is mainly used as a cross-linker in which the methyl groups are used to bond with ultraviolet (UV) excited ketones.

POLY(2,6-DIMETHYL-1,4-PHENYLENE OXIDE) Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte

POLY(2,6-DIMETHYL-1,4-PHENYLENE OXIDE) Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

Firmenname	Telefon	E-Mail	Land	Produktkatalog	Edge Rate
Hangzhou Verychem Science And Technology Co.Ltd	+86-86-57188162785 13606544505	lucy@verychem.com	China	1054	58
Shanghai Daken Advanced Materials Co.,Ltd	+86-371-66670886	info@dakenam.com	China	18751	58
Zhengzhou Alfa Chemical Co.,Ltd	+8618530059196	sale04@alfachem.cn	China	11817	58
Shanghai UCHEM Inc.	+862156762820 +86-13564624040	sales@myuchem.com	China	7629	58
Alfa Chemistry		Info@alfa-chemistry.com	United States	24072	58
SUZHOU SENFEIDA CHEMICAL CO.,LTD	+86-0512-83500002 +8615195660023	sales@senfeida.com	China	23046	58
LEAPCHEM CO., LTD.	+86-852-30606658	market18@leapchem.com	China	43340	58
Shanghai Acmec Biochemical Technology Co., Ltd.	+undefined18621343501	product@acmec-e.com	China	33338	58
Aladdin Scientific	+1-+1(833)-552-7181	sales@aladdinsci.com	United States	52924	58
SHANGHAI KEAN TECHNOLOGY CO., LTD.	+8613817748580	cooperation@kean-chem.com	China	40066	58

25134-01-4()Verwandte Suche:

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