Hydroxyethyl acrylate
Pfupiso yeChigadzirwa
Hydroxyethyl Acrylate (HEA) imonomer inoshanda zvakasiyana-siyana uye chinhu chikuru mu polymer chemistry. Ine polymerizable acrylic double bond uye reactive hydroxyl group mumorekuru imwe chete. Chimiro ichi chinoibvumira kuti ikwanise kupinda mu copolymerization nyore nyore nemarudzi akasiyana-siyana emamonomer ukuwo ichibatanidzwawo mu crosslinking reactions. Imvura yakajeka, isina ruvara kusvika kune yero uye inozivikanwa nekuwedzera zvakanyanya mashandiro ezvigadzirwa zve polymeric zvekupedzisira, kunyangwe zvikashandiswa zvishoma.
Magadzirirwo Akakosha
| Pfuma | Tsanangudzo / Kukosha Kwakajairika |
| Chitarisiko | Mvura yakajeka, isina ruvara kusvika yeyero yakapfava |
| Kuchena (%) | ≥ 97.0 |
| Mvura Yakawanda (%) | ≤ 0.5 |
| Inhibitor (MEHQ) | 200 ± 50 ppm (kana sezvakatsanangurwa) |
| Acidity (seAcrylic Acid) (%) | ≤ 0.05 |
| Ruvara (APHA) | ≤ 30 |
| Kuwanda kwemvura (20 °C) | ~1.10 g/cm³ |
| Nzvimbo Yokubikira | ~ 90 °C (pa5 mmHg) |
| Kukosha kweHydroxyl (mg KOH/g) | ~ 480 |
Zvikumbiro Zvikuru
Mashandiro maviri eHEA anoita kuti ive yakakosha mumaindasitiri akawanda:
Mapendi & Inki:
Machira eThermosetting: Monomer huru mumachira emotokari, maindasitiri, uye emidziyo. Boka rehydroxyl rinobatanidza ne melamine-formaldehyde kana polyisocyanate resins (mumachira ePU), zvichipa kuomarara kwakanaka, kuramba makemikari, uye kuramba mar.
Masisitimu Anorapika Nemwaranzi: Anoshandiswa semusanganiswa unochinja-chinja uye semusanganiswa wekubatanidza mavara muUV/EB-coatings, inks, uye glues zvinorapika. Chinhu chakakosha mukugadzirwa kweurethane acrylates.
Vagadziri vemafotoresist & Photoreactive Polymers: Vanoshandiswa mukugadzira maresins ephotoresist ekudhinda maplates uye zvemagetsi (semiconductors, LCDs).
Zvinonamira & Zvinovhara:
Inovandudza simba rekunamatira kune zvinhu zvakasiyana-siyana, kusanganisira simbi nemapurasitiki.
Inowedzera huwandu hwe crosslink, zvichiita kuti pave nekusagona kupisa zvakanyanya, kusagona kushandisa makemikari, uye kusimba kwakabatana muma structure and pressure-sensitive glue (PSAs).
Machira & Fibers:
Inoshandiswa semushonga unoshanda mukurapa faibha uye muzvipfeko zvemachira kuti irambe ichidzivirira mvura, irambe ichidzivirira makwinya, uye igare kwenguva refu.
Kugadziriswa Kwemapepa:
Yakabatanidzwa mumhando dzekuputira kuti ivandudze kusimba kwemvura uye kuoma, kuramba mvura, uye kudhindwa.
Zvikumbiro Zvinokosha:
Indasitiri yeMafuta: Inoshanda semushonga wemakemikari wekugadzira sipo uye zvinowedzerwa mukuwachisa.
Zvemagetsi: Zvinoshandiswa semushonga wekubvisa mvura mumuviri mukugadzirira sampuro ye electron microscopy.
Chemistry Yekuongorora: Inoshanda semushonga wemakemikari uye sechikamu chezvinhu zvinosanganisa mvura.
Zvinhu Zvikuru & Mabhenefiti
Mashandiro maviri: Boka reacrylate rinogonesa copolymerization, nepo boka rehydroxyl richibvumira crosslinking uye chemical modification.
Kushanda Kwakawedzerwa: Kunoita kuti zvinhu zvigare kwenguva refu, kusashanda nemakemikoro, uye kunamira kune mapolymer ekupedzisira.
Kushanda Kwakawanda: Inokurumidza kuumbwa neacrylates, methacrylates, styrene, vinyl acetate, acrylonitrile, nezvimwewo.
Kuchinja-chinja: Yakakodzera maitiro akasiyana-siyana e polymerization, kusanganisira mhinduro, emulsion, uye suspension polymerization.
Kushanda Nesimba: Kunopa kuvandudzwa kukuru muhunhu hwechigadzirwa kunyangwe padanho rakaderera rekubatanidzwa (kazhinji 2-10%).
Kusviba Kushoma: Inoshanda semusanganiswa unoshanda mumasero anogona kurapwa nemwaranzi, ichibatsira kuderedza kusviba kwemusanganiswa pasina kushandisa makemikari anoshanduka kuita organic (VOCs).
Kubata & Kuchengeta
Kupisa Kwekuchengetedza: Chengeta munzvimbo inotonhorera, ine mhepo inofefetera zvakanaka. Tembiricha inokurudzirwa yekuchengetedza iri pakati pe2°C ne25°C (36°F ne77°F). Dzivisa kutonhora nekupisa kwakakwira.
Inhibitor: Ine MEHQ inhibitor inodzivirira polymerization inongoerekana yavapo. Inhibitor iyi inoda kuti okisijeni ishande; saka, kuchengetwa munzvimbo isina chinhu (semuenzaniso, Nitrogen padding) kwakakosha kuti igare kwenguva refu.
Chirongo: Chengeta mumidziyo yakavharwa zvakasimba yakagadzirwa nesimbi isina ngura, simbi ine phenolic resin, kana polyethylene. Dzivirira kubva kuchiedza.
Hupenyu hweSherufu: Kazhinji mwedzi 6 kusvika ku12 kubva pazuva rekugadzirwa kana ikachengetwa pasi pezvinodiwa.
Kubata: Shandisa nemhepo yakakwana uye zvinhu zvinodzora mweya. Dzivisa kusangana neganda, maziso, uye mbatya. Pfeka michina yekudzivirira muviri yakakodzera (PPE), kusanganisira magirovhosi asingaurayiwi nemakemikari, magirazi ekuchengetedza, uye mbatya dzekudzivirira.