Polyols: Nibii ni akɛtsuɔ nii yɛ yiŋtoi srɔtoi amli kɛha nitsumɔhei kɛ jarayelɔi anitsumɔi
Nitsumɔhei Wuji
Yɛ tsofafeemɔ nitsumɔhe lɛ, polyols ji nibii titrii ni akɛfeɔ nibii ni tsiimɔ wa waa tamɔ polyesters, polyethers, kɛ polyurethanes. Ákɛ nɔkwɛmɔnɔ lɛ, akɛ ethylene glycol tsuɔ nii kɛfeɔ polyethylene terephthalate (PET), ni akɛtsuɔ nii babaoo yɛ plastic tsɛnsii kɛ tsɔji amli lɛ. Akɛ polyethylene glycol (PEG) tsuɔ nii kɛfeɔ nibii srɔtoi ni haa mɔ he jɔɔ kɛ nibii ni haa mɔ he jɔɔ lɛ. Kɛfata he lɛ, polyols baanyɛ atsu nii akɛ tsofai ni haa nibii srɔtoi ni wala yɔɔ mli lɛ mli shwieɔ shi, ni ehaa nɔ ni afeɔ lɛ tsuɔ nii jogbaŋŋ.
Yɛ tsofafeemɔ nitsumɔhe lɛ, akɛ polyols tsuɔ nii babaoo akɛ tsofai ni haa nu shwieɔ shi, nɔ ni haa tsofa feɔ plastic, kɛ nɔ ni haa nu mli fũuɔ. Akɛ nɔkwɛmɔ nɔ lɛ, akɛ propylene glycol kɛ glycerol tsuɔ nii yɛ tsofai ni akɛwoɔ mɔ mli, nu ni akɛwoɔ mɔ mli, kɛ tsofai ni akɛwoɔ mɔ mli lɛ ahe saamɔ mli koni tsofai lɛ afee mlɛo ni amɛhi shi jogbaŋŋ. Kɛfata he lɛ, abaanyɛ akɛ polyols afee tsofai ni ajieɔ lɛ kpo yɛ gbɛ ni akudɔɔ nɔ, ni kudɔɔ bɔ ni tsofai lɛ jieɔ amɛhe kpo amɛhaa lɛ.
Yɛ niyenii afeemɔ nitsumɔhe lɛ, akɛ polyols tsuɔ nii akɛ nibii ni haa niyenii mli ŋɔɔ, nibii ni haa ŋmɔtɔ baa, kɛ nibii ni haa ŋmɔtɔ baa. Akɛ nɔkwɛmɔnɔ lɛ, abaanyɛ akɛ glycerol kɛ polyethylene glycol afee niyenii ni akɛwoɔ niyenii mli, nibii ni ashãa, kɛ nibii ni anuɔ, ni ehaa ŋmɔtɔ kɛ ŋmɔtɔ hiɔ shi. Kɛfata he lɛ, abaanyɛ akɛ polyols atsu nii ni akɛtsake bɔ ni niyenii lɛ yɔɔ ha kɛ bɔ ni enuɔ he ehaa yɛ enaabu mli, ni no haa niyenii lɛ sɛɛ tsɛɔ.
Yɛ tsofai ni akɛsaa gbɔmɔtso he kɛ hewolo nɔ kwɛmɔ nitsumɔhe lɛ, akɛ polyols tsuɔ nii babaoo akɛ tsofai ni haa hulu tsoɔ kɛ nibii ni haa gbɔmɔtso lɛ mli fũuɔ. Ákɛ nɔkwɛmɔnɔ lɛ, propylene glycol kɛ glycerol baanyɛ aŋɔ ŋmɔtɔ, ni eha hewolo kɛ yitsɔi aná ŋmɔtɔ. Kɛfata he lɛ, abaanyɛ akɛ polyols atsu nii kɛfee tsofai ni tsiɔ hulutsoo naa, shampoo, kɛ tsofai ni haa mɔ he jɔɔ lɛ, ni ehaa mɔ he feɔ ŋmɔlɔŋmɔlɔ ni ehaa mɔ he jɔɔ lɛ.
Yɛ plastic nitsumɔhe lɛ, akɛ polyols tsuɔ nii akɛ plasticizers koni ekɛha plastic lɛ afee mlɛo ni enyɛ etsu nii jogbaŋŋ. Akɛ nɔkwɛmɔnɔ lɛ, abaanyɛ akɛ glycerol kɛ polyethylene glycol atsu nii akɛ plastic ni akɛfeɔ polyvinyl chloride (PVC), ni ehaa ehiɛ feɔ mlɛo ni ehiɔ shi be kakadaŋŋ. Kɛfata he lɛ, abaanyɛ akɛ polyols afee plastic ni nyɛɔ efiteɔ, ni ehaa shihilɛ ni yɔɔ jɛmɛ lɛ nɔ baa shi.
Yɛ nibii ni akɛwoɔ mli kɛ ink nitsumɔhe lɛ, akɛ polyols tsuɔ nii akɛ nibii ni haa nu mli tseɔ kɛ nɔ ni haa nu mli tseɔ. Amɛbaanyɛ amɛjie ŋmeii kɛ ŋmeii srɔtoi, ni enɛ haa anyɛɔ afeɔ sinii jogbaŋŋ. Akɛ nɔkwɛmɔnɔ lɛ, abaanyɛ akɛ polyethylene glycol afee nibii ni akɛwoɔ nu mli kɛ ink, ni ehaa shihilɛ ni yɔɔ jɛmɛ lɛ he tseee ni etsuɔ nii jogbaŋŋ.
Nibii pɔtɛɛ
| Nibii Gbɛi | Poliesta poliyols | |||||||||
| Bɔni oyɔɔ | Nu ni mli tse loo nɔ ni wa ni bɛ su kɛyashi ŋmɔŋ ni mli tse | |||||||||
| Molekular Muji | 500 kɛyashi 5000 g/mɔl | |||||||||
| He ni Shãa | >200 | |||||||||
| Hetsemɔ | 98%, 99.5% | |||||||||
| Dɛnsiti | 1.10-1.15 | |||||||||
| HS Mlai | 3907910000 | |||||||||
| Aplikashiŋ | Nibii ni akɛwoɔ tsɔne mli, ink; tokotai shishi, naatsii, tai | |||||||||
Wolo ni Kwɛɔ Nɔ ni Hi jogbaŋŋ lɛ Nɔ
| Nibii Gbɛi | Poliesta poliyols | ||||||
| NOKO | Shishitoo mlai | Sɛɛnamɔ | |||||
| Kroma (APHA) | ≤30 | 11 | |||||
| Nɔ ni mli edɔ yɛ 25°C (mPas) | 1100 kɛyashi 1500 | 1296 | |||||
| Nu mli nibii (%) | ≤0.08 | 0.017 | |||||
| Haidroksil sɛɛnamɔ (mgKOH/g) | 32.5-35.5 | 34.2 | |||||
| Acid sɛɛnamɔ (meKOH/s) | ≤0.08 | 0.029 | |||||
| pH Sɛɛnamɔ | 5.0-7.5 | 6.7 | |||||
| K+(mgkg) | ≤5 | 1.0 | |||||
| Naagbee | Ehe esa | ||||||
Yɛ kukufoo mli lɛ
Yɛ kukufoo mli lɛ, polyols, akɛ tsofai ni he hiaa ni akɛtsuɔ nii yɛ wala mli lɛ tsuɔ gbɛfaŋnɔ titri ko he nii yɛ nitsumɔhei babaoo. Jeee akɛ amɛhaa nibii ni afee lɛ tsuɔ nii jogbaŋŋ ni amɛhiɔ shi jogbaŋŋ kɛkɛ, shi moŋ amɛyeɔ amɛbuaa ŋmɛnɛŋmɛnɛ beaŋ nitsumɔhei lɛ hu. Kɛtsɔ tsɔnei ahe nilee mli hiɛyaa ni yaa nɔ lɛ nɔ lɛ, gbɛkpamɔi ni yɔɔ akɛ akɛ polyols baatsu nii lɛ baafee nɔ ni mli kwɔ fe tsutsu lɛ po.