Aha ngwaahịa:phenolic resin

Ụdị mkpụrụ ndụ:

Nọmba CAS:9003-35-4

Ọdịdị molekụla ngwaahịa:

Njirimara kemịkalụ:

A na-edozi resin phenol-formaldehyde dị ka ndị a:
C6H5OH+H2C=O —> [-C6H2(OH)CH2-] n
Resins nke otu ọkwa.Ogo nke formaldehyde na phenol dị elu nke ọma iji mee ka usoro ikpo ọkụ na-eme na-enweghị mgbakwunye nke isi mmalite ndị ọzọ nke njikọ njikọ.
Resins nke agba abụọ.Oke formaldehyde na phenol dị ala nke ukwuu iji gbochie mmeghachi omume temometa ka ọ na-eme n'oge nrụpụta resin.N'oge a, a na-akpọ resin novolac.N'ikpeazụ, a na-etinye hexamethylenetetramine n'ime ihe iji mee ihe dị ka isi iyi nke njikọ njikọ kemịkalụ n'oge arụ ọrụ ịkpụzi (na ntụgharị na thermoset ma ọ bụ ọnọdụ a gwọrọ).

Ụdị nkephenolic resins:

1. Phenolic resins maka esemokwu ihe
2. Taya roba resins
3. Phenolic resins maka cimented abrasives
4, Phenolic resins maka achara na osisi ihe
5. Phenolic resins maka Oilfield
6, Phenolic resins maka ịkpụzi ogige
7, Phenolic resins maka impregnated ihe
8, Resins maka mkpuchi ụlọ ọrụ
9, Phenolic resins maka thermal mkpuchi ihe
10, Phenolic resins maka ntekwasa abrasives

Ngwa:

A na-eji resins phenolic maka akụkụ dị ọnụ ala na-achọ ezigbo ihe mkpuchi ọkụ eletrik, nguzogide okpomọkụ, ma ọ bụ nguzogide kemịkalụ.Nkezi ndụ nchekwa nke resin a bụ ihe dịka otu ọnwa na 21.1°C.Enwere ike ịgbatị nke a site na ịchekwa ya na friji na 1.6 ruo 10 Celsius.Ịgbanwe ihe na-akpali akpali (dị ka ọkpụkpụ nke nkedo ahụ siri dị) na iwelite okpomọkụ ọgwụgwọ ahụ ruo 93 Celsius ga-agbanwe oge ọgwụgwọ site na awa 8 ruo ihe dị mkpirikpi ka nkeji iri na ise.
Ụfọdụ mbelata na-apụta na nkedo emechara (0.012 ruo 0.6 mm/mm), dabere na ọnụọgụ nke ndochi, ọnụọgụ ihe na-akpata, na usoro ọgwụgwọ.Usoro ọgwụgwọ ngwa ngwa na-emepụta ọnụ ọgụgụ dị elu nke mbelata.Ebe ọ bụ na usoro ọgwụgwọ ahụ nwere ike ịbawanye ngwa ngwa, a na-eji phenolics na-arụ ọrụ nkenke na-agba ọsọ.
A na-ewepụ akụkụ phenolic nkedo n'ụzọ dị mfe na ebu ma ọ bụrụ na ejiri ihe nkewa nke onye na-ebubata ya kwadoro.Ngosipụta na-eme ka njirimara bụ isi nke nkedo emechara.