Oxy-1,4-phenylene-sulfonyl

The resulting poly(oxy-1,4-phenylene sulfonyl-1,4-phenylene) (PES), CAS 25667-42-9, is a valuable polymer used to make various household appliances, medical devices, automotive parts, etc. The polymer can be shaped by thermoforming and is used in various composite materials. It has good fire safety characteristics and meets the requirements for direct food contact. Other polyethersulfones with structures similar to PES also have important practical applications and are used for the manufacturing of different appliances, cookware, automotive and aerospace components, etc. 

Table 12.2.4. Compounds identified in the pyrogram of poly(oxy-1,4-phenylene-sulfonyl-1,4-phenylene) as shown in Figure 12.2.2.

Oxy-1,4-phenylene-sulfonyl- 1.4- phenylene oxy-2,6-diisopropyl- 1.4- phenylene isopropylidene 3.5- diisopropyl-l, 4-phenylene Modulus-temperature I had 13-16 % AN R17... 

Poy(tris-(oxy-1,4-phenylene)-sulfonyl-1,4-phenylene) Poly(oxy-4,4 -diphenylene-oxy-l,4-phenylene Benzene, phenol (major product), diphenyl oxide, p-hydroxydiphenyl, or p-hydroxydiphenyl oxide 203... 

The class of poly(ether sulfones) includes a number of compounds obtained by polycondensations similar to that between bisphenol A and 4,4 -dichlorodiphenylsulfone, which generates PES. Among more common poly(ether sulfones) are poly[oxy(1, T-biphenyl)-4,4 -diyloxy-1,4-phenylene-sulfonyl-1,4-phenylene] (PPSF) CAS 25608-64-4, which is synthesized from the reaction of 4,4 -dichlorodiphenyl-sulfone with 1, T-biphenyl-4,4 diol in the presence of a base, and poly[oxy-1,4-phenylenesulfonyl-1,4-phenyleneoxy-1,4-phenylene(1-methylethylidene)-1,4-phenylene] (PSF) CAS 25135-51-7, which is obtained from bisphenol A and 4,4 -dichlorodiphenylsulfone. 

Poly [tri(oxy-1,4-pheny lene)sulfonyl-1,4-phenylene] 453 Mechanical method 116... 

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