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Koj nyob ntawm no: Tsev » Cov khoom » Roj Hmab Additives » Phenolic Resin

Yam khoom

Cov khoom phenolic resin yog daj, pob tshab, amorphous pawg tshuaj, vim hais tias nws muaj phenol dawb thiab reddish, qhov nruab nrab lub ntiajteb txawj nqus ntawm qhov chaw yog hais txog 1.7, soluble nyob rau hauv cawv, insoluble nyob rau hauv dej, ruaj khov rau dej, qaug zog acid, qaug zog alkali daws. Resin ua los ntawm phenol thiab formaldehyde polycondensation, neutralization thiab dej ntxuav nyob rau hauv catalyst tej yam kev mob. Vim muaj cov catalysts sib txawv xaiv, nws tuaj yeem muab faib ua ob pawg: thermosetting thiab thermoplastic. Phenolic resin muaj cov kua qaub zoo, cov khoom siv kho tshuab thiab cov cua sov, thiab yog siv dav hauv kev tiv thaiv corrosion engineering, adhesives, nplaim retardant cov ntaub ntawv, sib tsoo log manufacturing thiab lwm yam lag luam.

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