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Wowɔ ha: Fie » Nneɛma a wɔyɛ » Rɔba a Wɔde Ka Ho » Phenolic Resin

Solid phenolic resin yɛ kɔkɔɔ, transparent, amorphous mass ade, efisɛ ɛwɔ free phenol ne kɔkɔɔ, sɛ wɔkyekyem pɛpɛɛpɛ a, ade no tumi pɔtee a ɛtwe ade ba fam no bɛyɛ 1.7, ɛtumi nwura nsa mu, ɛntumi nwura nsuo mu, ɛgyina nsuo mu, acid a ɛyɛ mmerɛw, alkali solution a ɛyɛ mmerɛw. Resin a wɔde phenol ne formaldehyde polycondensation, neutralization ne nsuo a wɔhohoro wɔ catalyst tebea mu. Esiane nneɛma ahorow a ɛma nneɛma yɛ kɛse a wɔpaw nti, wobetumi akyekyɛ mu abien: thermosetting ne thermoplastic. Phenolic resin wɔ acid pa a ɛko tia, mfiridwuma su ne ɔhyew a ɛko tia, na wɔde di dwuma kɛse wɔ anti-corrosion engineering, adhesives, ogya retardant nneɛma, grinding wheel manufacturing ne nnwuma afoforo.

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