Hydroxypropyl acrylate
Chidule cha Zamalonda
Hydroxyethyl Acrylate (HEA) ndi monomer yogwira ntchito mosiyanasiyana komanso yofunika kwambiri mu polymer chemistry. Ili ndi polymerizable acrylic double bond ndi reactive hydroxyl group mu molekyulu yomweyo. Kapangidwe kameneka kamathandiza kuti ipange copolymerization mosavuta ndi ma monomers osiyanasiyana komanso kutenga nawo mbali mu crosslinking reactions. Ndi madzi owoneka bwino, opanda mtundu kapena achikasu owala ndipo amadziwika kuti amawonjezera kwambiri magwiridwe antchito a zinthu zomaliza za polymeric, ngakhale zitagwiritsidwa ntchito pang'ono.
Kufotokozera
| Dzina la Chinthu | Hydroxypropyl acrylate |
| Fomula Yamankhwala | CH₃CHCOO(CH₂)₃OH |
| Nambala ya CAS | 25584-83-2 |
| Nambala ya EINECS | 247-113-0 |
| Maonekedwe a Zamalonda | Madzi owonekera bwino |
Pepala Lowongolera Ubwino
| Maonekedwe | Madzi owonekera bwino opanda utoto mpaka achikasu chopepuka popanda zonyansa zamakina |
| Monoester, wt% | ≥ 93.0 |
| Chiyero (Total Ester), w% | ≥ 97.0 |
| Mtundu, Hazen | ≤ 30 |
| Kuchuluka kwa madzi, w% | ≤ 0.30 |
| Acidity (monga acrylic acid), w% | ≤ 0.30 |
| Choletsa (MEHQ), mg/kg | 300±50 |
Mafotokozedwe Ofunika a Hydroxypropyl Acrylate
| Maonekedwe | Madzi oyera, opanda mtundu mpaka achikasu pang'ono |
| Chiyero (%) | ≥ 96.0 (nthawi zambiri > 99.0) |
| Kuchuluka kwa Madzi (%) | ≤ 0.5 |
| Choletsa (MEHQ) | 200 ± 20 ppm |
| Mtengo wa Asidi (mg KOH/g) | ≤ 1.0 |
| Mtundu (APHA) | ≤ 30 |
| Kuchulukana (20 °C) | ~ 1.05 g/cm³ |
| Malo Owira | ~ 77 °C (pa 5 mmHg) |
Ntchito Zazikulu za Hydroxypropyl Acrylate
Magwiridwe antchito awiri a HPA amalola kuti igwiritsidwe ntchito m'mafakitale osiyanasiyana. Ntchito yake yayikulu ndikuchita ngati chosungunula chomwe chimagwira ntchito komanso chopereka malo olumikizirana.
Zophimba ndi Inki:
Zophimba Zotenthetsera: Zimagwira ntchito ngati monomer m'zophimba zamagalimoto, zamafakitale, ndi zozungulira. Zimalumikizana ndi melamine, isocyanate, kapena epoxy resins, zomwe zimapangitsa kuti zikhale ndi mafilimu olimba kwambiri, osagwirizana ndi mankhwala, osagwirizana ndi mar, komanso onyezimira kwambiri.
Machitidwe Ochiritsira ndi Kuwala: Amagwiritsidwa ntchito mu zokutira, inki, ndi zomatira zochiritsira za UV/EB. Gulu la hydroxyl limalola kupanga ma acrylates a urethane okhala ndi mphamvu zowonjezera.
Ma Resins a Photoresist: Gawo lofunika kwambiri mu ma resins omwe amakhudzidwa ndi zithunzi popanga ma semiconductor ndi ma display.
Zomatira ndi Zotsekera:
Zimathandiza kuti zinthu zovuta kuzigwirizanitsa zikhale zolimba monga zitsulo ndi pulasitiki yokonzedwa.
Zimawonjezera kuchulukana kwa ma crosslink, zomwe zimapangitsa kuti kutentha kukhale kolimba, kukana mankhwala, komanso kulimba kwa ma glue omwe amakhudzidwa ndi kupanikizika (PSAs) ndi ma structural adhesive.
Nsalu ndi Ulusi:
Amagwiritsidwa ntchito ngati chothandizira kukonza ulusi wopangidwa, kukonza utoto, mphamvu zoteteza ku static, komanso kuyamwa chinyezi.
Ma Resin ndi Mapulasitiki Opangidwa:
Monga chosinthira ma resini a acrylic ndi ena opangidwa, Hydroxypropyl acrylate imapereka kukana kwabwino kwa nyengo, kukana kugwedezeka, komanso kusinthasintha.
Ntchito Zina za Hydroxypropyl Acrylate:
Kukonza Mapepala: Monga gawo la utomoni wamphamvu ndi zokutira.
Mankhwala Ochiza Madzi: Amagwiritsidwa ntchito popanga zoletsa za sikelo ndi dzimbiri.
Zowonjezera Mafuta: Zimagwira ntchito ngati choyambira cha zowongolera ndi zotulutsa ma viscosity index.
Makhalidwe Ofunika a Hydroxypropyl Acrylate ndi Ubwino Wake
Kuchita Bwino Kwambiri: Gulu la acrylate limapangidwanso mosavuta ndi mitundu yosiyanasiyana ya vinyl ndi acrylic monomers (monga methyl methacrylate, butyl acrylate, styrene, acrylonitrile).
Mphamvu Yolumikizirana: Gulu la pendant hydroxyl limakumana mosavuta ndi ma diisocyanates, ma anhydride, ndi ma amino resins (monga melamine), zomwe zimathandiza kupanga ma network olimba a polima amitundu itatu.
Kumamatira Kowonjezereka: Kumalimbikitsa kugwirizana kwamphamvu ndi zinthu zosiyanasiyana.
Kulimbitsa Kulimba: Kumathandizira kukana kwambiri mankhwala, zosungunulira, kuzizira, ndi kuwala kwa UV.
Kusinthasintha: Kungagwiritsidwe ntchito m'njira zambiri zopangira polymerization, kuphatikizapo yankho, emulsion, suspension, ndi bulk polymerization.
Kugwira Ntchito Moyenera: Kumapereka kusintha kwakukulu pa makhalidwe a chinthu chomaliza ngakhale pamlingo wochepa wogwiritsidwa ntchito (nthawi zambiri 1-10%).
Kusamalira ndi Kusunga
Kusungira: Sungani pamalo ozizira, amdima, komanso opumira bwino. Sungani zidebe zotsekedwa bwino. Kutentha koyenera kosungirako ndi pakati pa 15°C ndi 25°C (59°F ndi 77°F).
Choletsa: Chili ndi MEHQ (Methoxyphenol) ngati choletsa polymerization kuti chisadzipangitse polymerization yokha panthawi yosungidwa ndi kunyamulidwa. Ndikofunikira kusunga choletsa ichi kuti chikhale chokhazikika.
Kugwira: Pewani kukhudzana ndi kutentha, malawi, malawi otseguka, ndi zinthu zolimbikitsa okosijeni. Gwiritsani ntchito ndi mpweya wokwanira ndipo valani zida zoyenera zodzitetezera (PPE), kuphatikizapo magolovesi osagwira mankhwala, magalasi oteteza, ndi zovala zodzitetezera.
Moyo wa Shelf: Kawirikawiri miyezi 12 kuchokera tsiku lopangidwa ikasungidwa motsatira malamulo oyenera.