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O wa nibi: Ile » Awọn ọja » Awọn afikun roba Phenolic Resini

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Ri to phenolic resini jẹ ofeefee, sihin, amorphous ibi-nkan nkan, nitori ti o ni free phenol ati reddish, awọn apapọ pato walẹ ti nkankan jẹ nipa 1.7, tiotuka ninu oti, insoluble ninu omi, idurosinsin si omi, lagbara acid, alailagbara ojutu alkali. Resini ṣe ti phenol ati formaldehyde polycondensation, didoju ati fifọ omi labẹ awọn ipo ayase. Nitori awọn ayase ti o yatọ ti a ti yan, o le pin si awọn ẹka meji: thermosetting ati thermoplastic. Resini Phenolic ni resistance acid ti o dara, awọn ohun-ini ẹrọ ati resistance ooru, ati pe o lo pupọ ni imọ-ẹrọ ipata, awọn adhesives, awọn ohun elo idaduro ina, iṣelọpọ kẹkẹ lilọ ati awọn ile-iṣẹ miiran.

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