Dzina lazogulitsa:phenolic utomoni

Mtundu wa mamolekyulu:

Nambala ya CAS:9003-35-4

Mankhwala maselo kapangidwe:

Chemical Properties:

Phenol-formaldehyde resin imakonzedwa motere:
C6H5OH+H2C=O —> [-C6H2(OH)CH2-]n
One-Stage Resins.Chiŵerengero cha formaldehyde ndi phenol ndi chokwanira kuti ndondomeko ya thermosetting ichitike popanda kuwonjezera magwero ena ogwirizanitsa.
Magawo Awiri Resins.Chiyerekezo cha formaldehyde ndi phenol ndi chochepa kwambiri kuti chitetezeke kuti thermosetting ichitike popanga utomoni.Panthawiyi utomoniwo umatchedwa novolac resin.Pambuyo pake, hexamethylenetetramine imaphatikizidwa muzinthu kuti ikhale ngati gwero la mankhwala ophatikizirapo panthawi yopangira (ndi kutembenuzidwa ku thermoset kapena kuchiritsidwa).

Mitundu yaphenolic utomonis:

1, Phenolic Resins for Friction Materials
2, mphira wa matayala
3, Phenolic resins kwa abrasives simenti
4, Phenolic utomoni kwa nsungwi ndi matabwa zipangizo
5, Phenolic Resins kwa Oilfield
6, Phenolic resins kwa akamaumba mankhwala
7, Phenolic resins kwa zipangizo impregnated
8, resins kwa mafakitale ❖ kuyanika
9, Phenolic resins kwa zipangizo matenthedwe kutchinjiriza
10, Phenolic utomoni kwa TACHIMATA abrasives

Ntchito:

Phenolic resins amagwiritsidwa ntchito pazigawo zotsika mtengo zomwe zimafuna zabwino zotchingira magetsi, kukana kutentha, kapena kukana mankhwala.Avereji ya alumali ya utomoni umenewu ndi pafupifupi mwezi umodzi pa 21.1°C.Izi zitha kukulitsidwa pozisunga mufiriji pa 1.6 mpaka 10°C.Kusiyanitsa chothandizira (malinga ndi makulidwe a kuponyedwa) ndikukweza kutentha kwa machiritso kufika pa 93 ° C kudzasintha nthawi yochizira kuchokera ku 8 h mpaka 15 min.
Kuchepa kwina kumachitika pomaliza kuponya (0.012 mpaka 0.6 mm/mm), kutengera kuchuluka kwa zodzaza, kuchuluka kwa chothandizira, komanso machiritso.Kuchiritsa kwachangu kumabweretsa kuchepa kwakukulu.Popeza machiritso amatha kuchulukitsidwa, ma phenolics amagwiritsidwa ntchito pochita ntchito zazifupi.
Zigawo zotayira za phenolic zimachotsedwa mosavuta mu nkhungu ngati zotsatsira zomwe zimalimbikitsidwa ndi ogulitsa zikugwiritsidwa ntchito.Posteuring imawongolera zinthu zoyambira pakuponya komalizidwa.