Hydroxyethyl acrylate ya xirhendzevutani
Nkatsakanyo wa Swikumiwa
Hydroxyethyl Acrylate (HEA) i monomer leyi tirhaka hi tindlela to hambana hambana naswona i xiaki xa nkoka eka tikhemikhali ta polymer. Yi na polymerizable acrylic double bond na ntlawa wa hydroxyl lowu hlamulaka eka molecule yin’we. Xivumbeko lexi xi pfumelela ku endla copolymerization hiku olova na nxaxamelo wo anama wa ti monomers loko yitlhela yi nghenelela eka ti crosslinking reactions. I mati lawa yanga erivaleni, lawa yangariki na muhlovo kuya eka yotshuka yo vonikela naswona yativeka hiku antswisa swinene swivumbeko swa matirhelo ya switirhisiwa swohetelela swa polymeric, hambi loko switirhisiwa hi nhlayo leyintsongo.
Swihlawulekisi swa Nkoka
| Nhundzu | Nhlamuselo / Nkoka lowu Tolovelekeke |
| Xivumbeko | Mati yo basa, yo pfumala muhlovo kuya eka yotshuka yo vonikela |
| Ku basa (%) . | ≥ 97.0 |
| Nhlayo ya Mati (%) . | ≤ 0.5 |
| Xisivela-mavabyi (MEHQ) . | 200 ± 50 ppm (kumbe tani hileswi swi boxiweke) . |
| Asidi (tanihi Acrylic Acid) (%) . | ≤ 0.05 |
| Muhlovo (APHA) . | ≤ 30 |
| Ku tsindziyela (20 °C) . | ~1.10 g/cm3 ya xirhendzevutani |
| Ndhawu yo Vila | ~ 90 °C (eka 5 mmHg) . |
| Nhlayo ya Hydroxyl (mg KOH/g) . | ~ 480 |
Switirhisiwa Leswikulu
Ntirho wa HEA wa swiyenge swimbirhi wu endla leswaku wu va wa nkoka eka tiindasitiri to tala:
Swifunengeto & Tiinki:
Thermosetting Coatings: I monomer yosungula eka swifunengeto swa mimovha, swa ti indasitiri na switirhisiwa. Ntlawa wa hydroxyl wu crosslink na melamine-formaldehyde kumbe polyisocyanate resins (eka PU coatings), leswi nyikaka ku tiya lokunene, ku lwisana na ti khemikhali, na ku lwisana na mar.
Radiation-Curable Systems: Yitirhisiwa tani hi reactive diluent na crosslinker eka swifunengeto leswi tshungulaka hi UV/EB, ti inks, na swinamarheti. I xiaki xa nkoka eka ku endliwa ka ti urethane acrylates.
Photoresists & Photoreactive Polymers: Yi tirhisiwa eka vuhumelerisi bya ti photoresist resins ta ti plate to kandziyisa na ti electronics (semiconductors, LCDs).
Swinamarheti & Swipfalo:
Ku antswisa matimba ya ku namarhela eka switirhisiwa swohambana hambana, kukatsa na tinsimbi na tipulasitiki.
Ku ndlandlamuxa crosslink density, leswi yisaka eka ku tiya ka le henhla ka kuhisa, ku tiya ka tikhemikhali, na matimba yo hlangana eka swinamarheti swa xivumbeko na ntshikelelo (PSAs).
Swiambalo & Tifibre:
Yitirhisiwa tani hi co-monomer eka switirhisiwa swo basisa fibre na swifunengeto swa malapi kuva yinyika ku tiya ka mati, ku lwisana na swirhumbana, xikan’we naku tiya.
Ku Endliwa ka Maphepha: .
Yi nghenisiwile eka swivumbeko swo peta ku antswisa matimba yo tsakama na yo oma, ku tiya ka mati, na ku kandziyisiwa.
Swikombelo swo Hlawuleka:
Vumaki bya Switolwa: Yi tirha tani hi ti khemikhali ta le xikarhi eka ku endla swibasisi na swiengeteri swa dispersant.
Elektroniki: Yi tirhisiwa tani hi xitirhisiwa xo herisa mati eka ku lulamisiwa ka xikombiso xa electron microscopy.
Analytical Chemistry: Yitirha tani hi chemical reagent xikan’we na tani hi xiphemu eka switirhisiwa swo nghenisa leswi hlanganisaka mati.
Swihlawulekisi swa Nkoka & Mimbuyelo
Dual Functionality: Ntlawa wa acrylate wu endla leswaku ku va na copolymerization, kasi ntlawa wa hydroxyl wu pfumelela ku crosslinking na ku cinca ka tikhemikhali.
Ku Andzisiwa ka Matirhelo: Swi nyika ku tiya loku xiyekaka, ku lwisana na tikhemikhali, na ku namarhela eka ti polymers to hetelela.
Ku Angula ka le Henhla: Yi copolymerize hiku olova na ti acrylates, methacrylates, styrene, vinyl acetate, acrylonitrile, na swin’wana.
Ku tirhisiwa hi tindlela to hambana: Swi lulamerile eka maendlelo yo hambana ya polymerization, ku katsa na solution, emulsion, na suspension polymerization.
Ku tirha kahle ka Matirhelo: Swi tisa ku antswisiwa lokukulu eka swivumbeko swa swihumelerisiwa hambi kuri eka swiyimo swale hansi swa ku nghenisiwa (hi ntolovelo 2-10%).
Viscosity yale hansi: Yitirha tani hi reactive diluent leyi tirhaka eka ti radiation-curable systems, leswi pfunetaka ku hunguta formulation viscosity handle ko tirhisa volatile organic compounds (VOCs).
Ku Khoma & Ku Hlayisa
Mahiselo yo Hlayisa: Hlayisa eka ndzhawu yo kufumela, leyi nghenaka kahle moya. Mahiselo lawa ya hlohleteriwaka ya nhlayiso yale xikarhi ka 2°C na 25°C (36°F na 77°F). Papalata ku titimela ni mahiselo lama tlakukeke.
Inhibitor: Yina MEHQ inhibitor ku sivela polymerization leyi tiendlekelaka. Xisivela-mavabyi xi lava vukona bya okisijini leswaku xi tirha; hikokwalaho, ku hlayisiwa ehansi ka xibakabaka lexinga tirhiki (xikombiso, Nitrogen padding) swina nkoka eka kutshamiseka ka nkarhi woleha.
Xigwitsirisi: Hlayisa eka swibye leswi pfaleriweke swinene leswi endliweke hi nsimbi leyi nga riki na swilo swo bola, nsimbi leyi nga ni phenolic resin-lined kumbe polyethylene. Sirhelela eka ku vonakala.
Vutomi bya Shelf: Hi ntolovelo 6 kuya eka 12 wa tinhweti kusukela hi siku raku endliwa loko yi hlayisiwile ehansi ka swiyimo leswi ringanyetiweke.
Ku khoma: Tirhisa na moya lowu ringaneleke na vulawuri bya vunjhiniyara. Papalata ku khumbana ni nhlonge, mahlo ni swiambalo. Ambala switirhisiwa leswi faneleke swo tisirhelela swa munhu hi xiyexe (PPE), ku katsa ni magilavu lama nga ngheniwiki hi tikhemikhali, tinghilazi ta vuhlayiseki ni swiambalo swo sirhelela.