Sunan samfur:phenolic guduro

Tsarin kwayoyin halitta:

Lambar CAS:9003-35-4

Tsarin kwayoyin halitta:

Abubuwan Sinadarai:

An shirya resin phenol-formaldehyde kamar haka:
C6H5OH+H2C=O —> [-C6H2(OH)CH2-]n
Resins-Mataki Daya.Matsakaicin formaldehyde zuwa phenol yana da girma sosai don ba da damar tsarin thermosetting ya faru ba tare da ƙari na wasu hanyoyin haɗin giciye ba.
Resins mataki biyu.Matsakaicin formaldehyde zuwa phenol ya yi ƙasa sosai don hana yanayin zafin jiki daga faruwa yayin kera resin.A wannan lokaci ana kiran resin novolac resin.Daga baya, an shigar da hexamethylenetetramine a cikin kayan don yin aiki azaman tushen hanyoyin haɗin gwiwar sinadarai yayin aikin gyare-gyaren (da jujjuyawar yanayin zafi ko yanayin warkewa).

Nau'o'inphenolic guduros:

1.Phenolic Resins don Abubuwan Gogayya
2. Taya roba guduro
3.Phenolic resins ga ciminti abrasives
4, Phenolic resins ga bamboo da itace kayan
5.Phenolic Resins don Filin Mai
6. Phenolic resins don gyare-gyaren mahadi
7. Phenolic resins ga impregnated kayan
8. Resins for shafi masana'antu
9, Phenolic resins for thermal rufi kayan
10.Phenolic resins ga mai rufi abrasives

Aikace-aikace:

Ana amfani da resins na phenolic don ɓangarorin masu rahusa waɗanda ke buƙatar kyawawan kaddarorin kariya na lantarki, juriya mai zafi, ko juriya na sinadarai.Matsakaicin rayuwar shiryayye na wannan guduro yana kusan wata 1 a 21.1°C.Ana iya ƙara wannan ta hanyar adana shi a cikin firiji a 1.6 zuwa 10 ° C.Canza mai kara kuzari (bisa ga kaurin simintin gyaran kafa) da haɓaka zafin magani zuwa 93°C zai canza lokacin magani daga tsawon sa'o'i 8 zuwa gajere kamar mintuna 15.
Wasu raguwa suna faruwa a cikin ƙãre simintin (0.012 zuwa 0.6 mm/mm), dangane da adadin filler, adadin mai kara kuzari, da adadin magani.Saurin sake zagayowar magani yana haifar da mafi girma na raguwa.Tunda za'a iya haɓaka sake zagayowar magani, ana amfani da phenolics a cikin ayyukan ɗan gajeren lokaci.
Ana iya cire sassan simintin simintin gyare-gyare cikin sauƙi daga ƙirar idan an yi amfani da wakilan rabuwa da mai siyarwa ya ba da shawarar.Posteuring yana inganta ainihin kaddarorin simintin gyaran kafa.