Polyphenyl ether
http://dbpedia.org/resource/Polyphenyl_ether an entity of type: WikicatLubricants
Phenyl ether polymers are a class of polymers that contain a phenoxy or a thiophenoxy group as the repeating group in ether linkages. Commercial phenyl ether polymers belong to two chemical classes: polyphenyl ethers (PPEs) and polyphenylene oxides (PPOs). The phenoxy groups in the former class of polymers do not contain any substituents whereas those in the latter class contain 2 to 4 alkyl groups on the phenyl ring. The structure of an oxygen-containing PPE is provided in Figure 1 and that of a 2, 6-xylenol derived PPO is shown in Figure 2. Either class can have the oxygen atoms attached at various positions around the rings.
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Les polyaryléthers ou polyéthers aromatiques (PAE) sont une famille de polymères qui contiennent des liaisons éther aromatique dans leur chaîne principale. Ils présentent une bonne résistance à la chaleur. On distingue les éthers « modifiés », facilement transformables, qui sont des mélanges thermoplastiques techniques.
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Polyaryléther
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Polyphenyl ether
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12269011
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1079453575
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Phenyl ether polymers are a class of polymers that contain a phenoxy or a thiophenoxy group as the repeating group in ether linkages. Commercial phenyl ether polymers belong to two chemical classes: polyphenyl ethers (PPEs) and polyphenylene oxides (PPOs). The phenoxy groups in the former class of polymers do not contain any substituents whereas those in the latter class contain 2 to 4 alkyl groups on the phenyl ring. The structure of an oxygen-containing PPE is provided in Figure 1 and that of a 2, 6-xylenol derived PPO is shown in Figure 2. Either class can have the oxygen atoms attached at various positions around the rings.
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Les polyaryléthers ou polyéthers aromatiques (PAE) sont une famille de polymères qui contiennent des liaisons éther aromatique dans leur chaîne principale. Ils présentent une bonne résistance à la chaleur. On distingue les éthers « modifiés », facilement transformables, qui sont des mélanges thermoplastiques techniques.
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18343
