Haidroksietil akrilɛt
Nibii Amli Kwɛmɔ
Hydroxyethyl Acrylate (HEA) ji tsofa ko ni tsuɔ nii yɛ gbɛi srɔtoi anɔ, ni eji nɔ ko ni he hiaa waa ni akɛtsuɔ nii yɛ tsofafeemɔ mli. Etsɔɔ akrɛliki ni feɔ ekome ni ji enyɔ kɛ hydroxyl kuu ni tsuɔ nii yɛ molecule kome mli. Nɛkɛ gbɛjianɔtoo nɛɛ haa enyɛɔ ekɛ monomers srɔtoi feɔ ekome oya yɛ be mli ni ekɛ ehe woɔ crosslinking nifeemɔi amli hu. Eji nu ni mli tse, ni bɛ su kɛyashi ŋmɔŋ ni mli tse, ni ale lɛ akɛ ehaa naagbee polymeric nibii lɛ anitsumɔ yaa hiɛ waa, kɛ akɛtsu nii fioo po.
Nibii Titrii ni Atsɔɔ
| Prɔpati | Nɔ ni atsɔɔ / Sɛɛnamɔ ni afɔɔ namɔ |
| Bɔni oyɔɔ | Nu ni mli tse, ni bɛ su kɛyashi ŋmɔŋ ni mli tse |
| Hetsemɔ (%) | ≥ 97.0 |
| Nu mli nibii (%) | ≤ 0.5 |
| Nɔ ni tsiɔ nii anaa (MEHQ) | 200 ± 50 ppm (loo bɔ ni atsɔɔ mli) |
| Asid (tamɔ Akrɛlik Asid) (%) | ≤ 0.05 |
| Su (APHA) | ≤ 30 |
| Mlihilɛ (20 °C) | ~1.10 g/sm3 |
| He ni Shãa | °C (yɛ 5 mmHg) |
| Haidroksil sɛɛnamɔ (mg KOH/g) | ~480 |
Nitsumɔi Titrii
HEA nitsumɔi enyɔ lɛ haa efeɔ nɔ ni he hiaa waa yɛ nitsumɔhei srɔtoi amli:
Nɔ ni akɛwoɔ mli kɛ niŋmaatsei:
Thermosetting Coatings: Nɔ ni akɛwoɔ tsɔnei, nitsumɔhei, kɛ nibii ni akɛtsuɔ nii yɛ mli lɛ amli. Hydroxyl kuu lɛ kɛ melamine-formaldehyde loo polyisocyanate ŋtayaai (ni yɔɔ PU ŋtayaai amli) lɛ feɔ ekome, ni ehaa ŋtayaai ni hi jogbaŋŋ, tsofai ni nyɛɔ eshiɔ tsofai, kɛ ŋtayaai ni nyɛɔ efiteɔ nii lɛ haa.
Radiation-Curable Systems: Akɛtsuɔ nii akɛ nɔ ni haa nu mli tseɔ kɛ nɔ ni akɛkpɛtɛɔ nii ahe yɛ UV/EB-tsamɔ nibii ni akɛwoɔ mli, ink, kɛ nibii ni akɛkpɛtɛɔ nii ahe lɛ amli. Eji nɔ titri ni akɛfeɔ urethane acrylates lɛ.
Fotoresists & Fotoreactive Polymers: Akɛtsuɔ nii yɛ fotoresist resin ni akɛkalaa woji kɛ tsɔnei (semiconductors, LCDs) lɛ afeemɔ mli.
Nibii ni akɛkpɛtɛɔ nii ahe kɛ nibii ni akɛfiɔ he:
Ehaa nibii srɔtoi ni dade kɛ plastic fata he lɛ ahe hewalɛ yaa hiɛ.
Ehaa crosslink density lɛ yaa hiɛ, ni ehaa hulutsoo ni nɔ kwɔ, tsofai ni tsiɔ nii anaa, kɛ tsakpaa hewalɛ ni yɔɔ shishitoo kɛ nɔnyɛɛ-nibii ni akɛkpɛtɛɔ nii ahe (PSAs) lɛ mli lɛ baa.
Atadei kɛ fibers:
Akɛtsuɔ nii akɛ co-monomer yɛ fiber tsamɔ nibii kɛ mama ni akɛwoɔ mli lɛ mli koni ekɛha nu akabote mli, ŋmeii akabote mli, ni ehi shi be kakadaŋŋ.
Wolo he nitsumɔ:
Akɛwoɔ nibii ni akɛwoɔ tsɔne mli lɛ amli koni eha tsɔne ni mli ewo fɔ kɛ nɔ ni egbi lɛ mli awa, nu ni nyɛɔ eshɛɔ he, kɛ bɔ ni anyɛɔ akalaa lɛ aya hiɛ.
Nibimɔi krɛdɛɛi:
Lubricant Industry: Etsuɔ nii akɛ tsofa ni akɛfeɔ tsofai ni akɛjieɔ muji kɛ nibii ni akɛgbɛɔ nibii amli lɛ afeemɔ.
Elɛktronik: Akɛtsuɔ nii akɛ nɔ ni haa nu sɛɛ foɔ yɛ electron microscopy nɔkwɛmɔnɔ he saamɔ mli.
Analytical Chemistry: Etsuɔ nii akɛ tsofa ni akɛtsuɔ nii kɛ nɔ ko ni yɔɔ nibii ni akɛwoɔ nu mli ni akɛfutuɔ nii amli.
Nibii Titrii kɛ Sɛɛnamɔi
Nitsumɔi Enyɔ: Acrylate kuu lɛ haa anyɛɔ afee ekome, yɛ be mli ni hydroxyl kuu lɛ haa anyɛɔ atsakeɔ tsofai.
Nitsumɔ ni Yaa Hiɛ: Ehaa sɛɛfimɔ ni sa kadimɔ waa, tsofai ni nyɛɔ eshiɔ, kɛ naagbee polymers lɛ ahe kpɛtɛɔ he.
Nɔ ni haa mɔ tsui nyɔɔ emli: Ekɛ akrilɛti, metakrilɛti, styrene, vinyl asetate, akrilonitrile, kɛ ekrokomɛi feɔ ekome oya.
Nibii babaoo ni anyɛɔ atsuɔ he nii: Ehi kɛha nibii srɔtoi ni akɛfeɔ polymerization, ni nɔ ni fata he ji tsofa, emulsion, kɛ polymerization ni akɛwoɔ mli.
Nitsumɔ Hewalɛ: Ehaa hiɛyaa ni sa kadimɔ yɛ nibii ni akɛtsuɔ nii lɛ amli yɛ nibii ni akɛwoɔ mli lɛ amli fioo po (bei pii lɛ 2-10%).
Viscosity ni baa shi: Etsuɔ nii akɛ nɔ ko ni tsuɔ nii jogbaŋŋ ni haa nu mli tseɔ yɛ radiation-tsamɔ gbɛjianɔtoi amli, ni eyeɔ ebuaa ni ehaa tsofa ni akɛwoɔ mli lɛ baa shi ni akɛ nibii ni wala yɔɔ mli ni sɛɛ tsɛɔ (VOCs) tsuuu nii.
Nitsumɔ kɛ Nitoo
He ni Akɛtoɔ: Akɛto he ko ni mli ejɔ ni kɔɔyɔɔ kpakpa boteɔ mli. He ni akɛtoɔ nii lɛ mli latsaa ji 2°C kɛ 25°C (36°F kɛ 77°F) teŋ. Tsi ohe kɛjɛ ais kɛ latsaa ni yaa hiɛ lɛ he.
Nɔ ni tsiɔ nii anaa: MEHQ ni tsiɔ nii anaa lɛ yɛ mli koni ekɛtsi polymerization ni baa trukaa lɛ naa. Nɔ ni tsiɔ nii anaa lɛ biɔ ni kɔɔyɔɔ kpakpa ahi shi koni enyɛ etsu nii; no hewɔ lɛ, nibii ni akɛtoɔ yɛ kɔɔyɔɔ ni bɛ hewalɛ shishi (tamɔ, Nitrogen padding) lɛ he miihia koni ehi shi be kakadaŋŋ.
Nɔ ni akɛwoɔ mli: Akɛtoɔ nibii ni akɛ dade ni sɛɛ efooo, dade ni akɛ phenolic resin ewo mli, loo polyethylene fee ni akɛwo mli jogbaŋŋ lɛ amli. Buu he kɛjɛ la he.
Shihilɛ ni Akɛtoɔ: Bei pii lɛ, nyɔji 6 kɛyashi 12 kɛjɛɔ gbi ni afee lɛ nɔ kɛji akɛ akɛto shihilɛi ni sa jogbaŋŋ amli.
Bɔ ni akɛtsuɔ nii ahaa: Akɛ kɔɔyɔɔ ni sa kɛ tsɔne he nibii ni akɛkwɛɔ nɔ lɛ atsu nii. Tsi ohe kɛjɛ hewolo, hiŋmɛii, kɛ atadei ahe. Wo nibii ni sa ni buɔ mɔ he (PPE), ni glɔvs ni tsofai nyɛɔ eshɛɔ he, shweshweeshwefeemɔ he ŋmɛlɛtswai, kɛ atadei ni buɔ mɔ he fata he.