A na-akpọkwa resin phenolicbakelite, nke a makwaara dị ka ntụ ntụ bakelite.Na mbụ ihe na-enweghị agba (ọcha) ma ọ bụ na-acha odo odo-agba aja aja, ahịa ahụ na-agbakwụnye ihe ndị na-eme ka ọ dị na-acha uhie uhie, odo, nwa, akwụkwọ ndụ akwụkwọ ndụ, aja aja, acha anụnụ anụnụ na agba ndị ọzọ, ọ bụkwa granular na powdery.Na-eguzogide acid na-adịghị ike na alkali na-adịghị ike, ọ ga-emebi ma ọ bụrụ na acid siri ike na corrode ma ọ bụrụ na alkali siri ike.Soluble na acetone, mmiri, mmanya na ihe ndị ọzọ organic mgbaze.A na-enweta ya site na polycondensation nke phenolic aldehyde ma ọ bụ ihe mmepụta ya.Resin siri ike phenolic bụ odo, transperent, amorphous blocky umi, ọbara ọbara n'ihi free phenol, nkezi ike ndọda nke ihe dị ka 1.7, mfe soluble na mmanya, insoluble na mmiri, kwụsiri ike na mmiri, adịghị ike acid na adịghị ike alkali ngwọta.Ọ bụ resin nke polycondensation nke phenol na formaldehyde mere n'okpuru ọnọdụ na-akpali akpali, neutralization na ịsacha mmiri.N'ihi nhọrọ nke catalyst, enwere ike kewaa ya ụzọ abụọ: thermosetting na thermoplastic.Phenolic resin nwere ezigbo nguzogide acid, akụrụngwa akụrụngwa na nguzogide okpomọkụ, a na-ejikwa ya n'ọtụtụ ebe na injinia mgbochi corrosion, adhesives, ihe na-egbochi ire ọkụ, nrụpụta wiil na-egweri na ụlọ ọrụ ndị ọzọ.
Phenolic resin ntụ ntụ bụ ụdị thermoplastic phenolic resin nke polycondensation nke phenol na formaldehyde mere na ọkara acidic.Enwere ike ịgbaze ya na ethanol wee ghọọ thermosetting site na ịgbakwunye 6-15% urotropine.Enwere ike ime ya na ogo 150°C ma nwee ụfọdụ ike n'ibu.na ihe mkpuchi ọkụ eletrik.
Akụkụ bụ isi nke resin phenolic bụ nguzogide okpomọkụ dị elu, ọ pụkwara ịnọgide na-eguzosi ike n'ezi ihe nhazi ya na nkwụsi ike akụkụ ọbụna na oke okpomọkụ.Ya mere, a na-eji resins phenolic eme ihe na mpaghara okpomọkụ dị elu, dị ka ihe mgbagha, ihe mgbagha, adhesives na ụlọ ọrụ mmepụta ihe.
Ngwa dị mkpa nke resin phenolic dị ka ihe nkedo.Phenolic resins bụ vasatail na dakọtara na ụdị dịgasị iche iche nke organic na inorganic fillers.Resins phenolic emebere nke ọma na-ata mmiri nke ukwuu.Na mgbe njikọta gafere, ọ nwere ike ịnye ike nrụpụta achọrọ, nguzogide okpomọkụ na akụrụngwa eletriki maka ngwaọrụ abrasive, ihe mgbagha, ihe mgbakasị na bakelite.
Mmiri-soluble phenolic resins ma ọ bụ mmanya-soluble phenolic resins na-eji impregnate akwụkwọ, owu ákwà, iko, asbestos na ndị ọzọ yiri bekee na-enye ha na n'ibu ike, eletriki Njirimara, wdg Atụrụ na-agụnye eletriki mkpuchi na n'ibu lamination n'ichepụta, ipigide. diski na akwụkwọ nzacha maka nzacha ụgbọ ala.
Njirimara resin phenolic:
Ọrụ okpomọkụ dị elu: Akụkụ kachasị mkpa nke resin phenolic bụ nguzogide okpomọkụ dị elu, ọbụlagodi na oke okpomọkụ, ọ nwere ike ịnọgide na-eguzosi ike n'ezi ihe nhazi ya na nkwụsi ike akụkụ.
Ike nkekọ: Ngwa dị mkpa nke resin phenolic dị ka ihe nkedo.Phenolic resins bụ vasatail na dakọtara na ụdị dịgasị iche iche nke organic na inorganic fillers.
Ọnụego ihe fọdụrụ na carbon dị elu: N'okpuru ọnọdụ ikuku inert nwere okpomọkụ nke ihe dịka 1000°C, resins phenolic ga-emepụta ihe mkpofu carbon dị elu, nke na-enyere aka ịnọgide na-enwe nkwụsi ike nhazi nke resin phenolic.
Anwụrụ ọkụ dị ala na obere nsi: E jiri ya tụnyere sistemu resin ndị ọzọ, sistemu resin phenolic nwere uru nke anwụrụ ọkụ dị ala na nsi dị ala.N'ihe banyere ọkụ ọkụ, usoro resin phenolic nke usoro sayensị mepụtara ga-eji nwayọọ nwayọọ na-agbaze iji mepụta hydrogen, hydrocarbons, mmiri vapor na carbon oxides.Anwụrụ ọkụ a na-emepụta n'oge usoro ire ere dị ntakịrị, na nsị dị ntakịrị.
Nguzogide kemịkalụ: resin phenolic nwere njikọ nwere ike iguzogide ire ere kemịkalụ ọ bụla.Dị ka mmanụ ụgbọala, mmanụ ala, mmanya, glycol, griiz na dị iche iche hydrocarbons.
Ọgwụgwọ okpomọkụ: Ọgwụgwọ okpomọkụ ga-eme ka iko mgbanwe okpomọkụ nke resin gwọrọ, nke nwere ike imeziwanye njirimara nke resin.
Enwere ike ịfụfụ: Phenolic ụfụfụ bụ ụdị ụfụfụ rọba enwetara site na ịfụ ụfụfụ phenolic resin.Tụnyere ụfụfụ polystyrene, ụfụfụ polyvinyl chloride, ụfụfụ polyurethane na ihe ndị ọzọ na-achịkwa ahịa na mmalite mmalite, ọ nwere arụmọrụ magburu onwe ya pụrụ iche n'ihe gbasara ire ọkụ.
Oge nzipu: Eprel-17-2023