Jeŋ muu fɛɛ - Propylene Glycol ni ji nɔ ni fe fɛɛ: Nibii ni wala yɔɔ mli ni tsuɔ nii babaoo

Gbɔmɔtsoŋ kɛ Tsofafeemɔ Nibii

Hefɛo kɛ Fuumɔ: Propylene glycol lɛ jeɔ kpo akɛ nu ni bɛ su, ni mli tse, ni mli tse. Eyɛ ŋmɔlɔ fioo ni eshwɛ fioo ni ehiɛ ŋmɔlɔ, ni no haa efeɔ nɔ ni sa kɛha nitsumɔi yɛ hei ni ehe hiaa ni mɔ ko aná henumɔ ni kɛ ehe wooo maŋ saji amli lɛ.

Nɔ ni mli tse: Ejieɔ bɔ ni ekɛ nibii futuɔ nii jogbaŋŋ lɛ kpo, ni enyɛɔ ekɛ nu, ethanol, ether, acetone, chloroform, kɛ nibii krokomɛi babaoo ni wala yɔɔ mli lɛ futuɔ kwraa. Nɛkɛ nibii nɛɛ haa enyɛɔ etsuɔ ​​nii akɛ nɔ ni tsuɔ nii jogbaŋŋ ni haa nu mli tseɔ kɛ nɔ ni haa nu mli tseɔ yɛ nibii srɔtoi ni afee lɛ amli.

Gbɔmɔtsoŋ nibii ni tsakeee: Kɛji akɛ propylene glycol lɛ mli tsiimɔ ji 76.09 g/mol lɛ, eyɛ tsiimɔ ni miihe ashɛ 1.036 g/cm3 yɛ 25°C mli, ni eji tsiimɔ fioo fe nu. Ehe ni edɔɔ lɛ ji - 59°C, ni no haa enyɛɔ ehiɔ shi yɛ nu shihilɛ mli yɛ hulutsoo be babaoo mli. He ni shãa lɛ damɔ shi yɛ 188.2°C yɛ nɔnyɛɛ ni sa shishi, ni tsɔɔ bɔ ni ehiɔ shi shiŋŋ yɛ shihilɛ mli latsaa ni sa mli. Flash point lɛ nɔ kwɔ waa, aaafee 99°C (ni agbe naa - kɔɔpoo), ni no haa oshara ni yɔɔ akɛ la baatswa yɛ oshara mli lɛ baa shi.

Tsofai ni tsuɔ nii: Akɛ diol lɛ, propylene glycol baanyɛ ekɛ ehe awo tsofai srɔtoi ni feɔ dãa kui lɛ amli. Ebaanyɛ efee esters kɛji ekɛ carboxylic acids, ni he hiaa waa yɛ nitsumɔhei kɛ jarayelɔi babaoo afeemɔ mli lɛ fee ekome. Kɛfata he lɛ, ebaanyɛ etsɔ nu ni faaa yɛ emli lɛ mli yɛ shihilɛi pɔtɛɛ komɛi amli, ni no kɛ intramolecular cyclic ethers loo intermolecular polymers baa.

He ni Akɛtsuɔ Nii yɛ

Niyenii kɛ Nibii ni Anuɔ Nitsumɔhe: Propylene glycol tsuɔ nitsumɔi srɔtoi yɛ nɛkɛ nitsumɔ nɛɛ mli. Etsuɔ nii akɛ nɔ ni haa hulutsoo baa, ni eyeɔ ebuaa ni ehaa hulutsoo hiɔ niyenii ni afee tamɔ niyenii ni ashãa, niyenii ni akɛwoɔ niyenii mli, kɛ nibii ni akɛ mlikii fee lɛ amli, ni no haa amɛ shɛlɛf - wala yaa hiɛ ni ehaa amɛhe feɔ ŋmɔlɔŋmɔlɔ. Ákɛ nɔ ni haa niyenii shwieɔ shi lɛ, akɛtsuɔ nii koni akɛshwie nibii ni ŋɔɔ, sui, kɛ nibii ni akɛtoɔ nii ahe lɛ amli, ni ehaa niyenii kɛ nibii ni anuɔ lɛ amlijaa lɛ feɔ ekome. Akɛ nɔkwɛmɔnɔ lɛ, bei pii lɛ, anaa yɛ nu ni akɛwoɔ nibii ni anuɔ ni haa mɔ he jɔɔ lɛ amli, kɛ nɔ ni akɛwoɔ mu ni he hiaa ni yɔɔ niyenii ni afee lɛ amli lɛ mli. Akpɛlɛ nɔ hu akɛ eji niyenii ni akɛfataa he (E1520) yɛ European Union lɛ mli, ni bei pii lɛ, U.S. Niyenii kɛ Tsofai Ahe Nitsumɔhe (FDA) lɛ kpɛlɛɔ nɔ akɛ eyɛ shweshweeshwe (GRAS) kɛ akɛtsu nii yɛ husui pɔtɛɛ komɛi amli.

Tsofafeemɔ nitsumɔhe: Yɛ tsofafeemɔ mli lɛ, propylene glycol tsuɔ gbɛfaŋnɔ ko ni he hiaa waa he nii. Akɛtsuɔ nii babaoo akɛ tsofai ni shwieee nu mli oya lɛ ahe tsofai, ni ehaa amɛfeɔ tsofai ni akɛwoɔ mɔ mli, tsofai ni akɛwoɔ mɔ mli, kɛ tsofai ni akɛwoɔ mɔ he lɛ feɔ mlɛo. Akɛ nɔkwɛmɔ nɔ lɛ, yɛ tsofai babaoo ni akɛwoɔ mɔ mli ni ji nu lɛ amli lɛ, propylene glycol yeɔ ebuaa ni ehaa tsofai lɛ amli nibii ni tsuɔ nii lɛ shwieɔ shi, ni ehaa anyɛɔ atsuɔ tsofa lɛ he nii jogbaŋŋ. Yɛ tsofai ni akɛwoɔ hewolo nɔ tamɔ krim kɛ muji amli lɛ, etsuɔ ​​nii akɛ nɔ ni haa hewolo lɛ mli fũuɔ ni ehaa tsofai lɛ boteɔ mli, ni ehaa tsofai lɛ shwieɔ hewolo lɛ nɔ jogbaŋŋ. Eyɛ nibii komɛi ni gbeɔ helai kɛ tsɛŋemɔ helai hu, ni no yeɔ ebuaa ni tsofai ni akɛtsuɔ nii lɛ hiɔ shi jogbaŋŋ.

Nibii ni akɛsaa mɔ he kɛ mɔ diɛŋtsɛ hekwɛmɔ: Propylene glycol ji nɔ titri ni akɛwoɔ tsofai babaoo ni akɛsaa mɔ he kɛ nibii ni akɛkwɛɔ mɔ diɛŋtsɛ he lɛ amli. Yɛ nibii ni akɛkwɛɔ hewolo nɔ tamɔ moisturizers, serums, kɛ cleansers lɛ amli lɛ, etsuɔ ​​nii akɛ nɔ ko ni haa hewolo nɔ fũuɔ, ni ejieɔ fɛ̃i kɛjɛɔ kɔɔyɔɔ mli ni ekɛkpɛtɛɔ hewolo lɛ he, ni no haa hewolo lɛ nɔ fũuɔ. Ehe nibii ni haa nu shwieɔ shi lɛ haa enyɛɔ ekɛ nibii srɔtoi ni tsuɔ nii kɛ tsofai ni ŋɔɔ lɛ shwieɔ shi, ni ehaa amɛjaraa amɛ pɛpɛɛpɛ yɛ nibii ni afee lɛ amli. Akɛtsuɔ nii hu yɛ nibii ni akɛkwɛɔ yitsɔi nɔ tamɔ shampoo kɛ conditioner mli koni eha amɛhe afee fɛo ni eye ebua ni akɛ nibii ni he yɔɔ sɛɛnamɔ lɛ aya yitsɔi lɛ mli. Yɛ tsɔne ni akɛwoɔ tsitsi mli lɛ mli lɛ, propylene glycol tsuɔ nii akɛ nɔ ko ni haa tsɔne lɛ feɔ plastic, ni ehaa tsɔne lɛ shwieɔ shi ni efoɔ oya.

Nitsumɔhei nitsumɔi: Propylene glycol ji nɔ ko ni he hiaa waa yɛ nitsumɔhei srɔtoi afeemɔ mli. E ji nɔ́ ko nɛ he hia nɛ a kɛ peeɔ polyester resin nɛ e be mi, nɛ a kɛ tsuɔ ní wawɛɛ ngɛ fiberglass - nɛ a kɛ woɔ mi he wami ɔ peemi mi. Nɛkɛ plastic nɛɛ naa nitsumɔ yɛ nitsumɔhei tamɔ tsɔnei, tsumaa, kɛ ŋshɔ hiɛ, yɛ amɛhewalɛ ni nɔ kwɔ - kɛ - shwiili mlijaa kɛ ŋmeii ni nyɛɔ amɛshiɔ lɛ hewɔ. Yɛ tsɔnei ahe nitsumɔhe lɛ, akɛ propylene glycol - ni ji antifreeze kɛ coolant ni akɛwoɔ tsɔnei amli lɛ tsuɔ nii koni akɛto tsɔnei lɛ amli latsaa he gbɛjianɔ, ni no tsiɔ tsɔnei lɛ amli la ni mli edɔ fe nine kɛ latsaa naa. Etsuɔ nii hu akɛ nɔ ni haa nu mli tsɔɔ kɛ nɔ ni akɛwoɔ nibii ni akɛwoɔ mli, ink, kɛ nibii ni akɛkpɛtɛɔ nii ahe lɛ amli, ni ehaa amɛnitsumɔ kɛ nitsumɔ mli nibii yaa hiɛ.

Gbɛi ni Atsɔɔ nɔ Asaa He

Epoksi propane nu mli tsakemɔ: Enɛ ji gbɛi ni atsɔɔ nɔ atsuɔ nii yɛ nitsumɔhei lɛ ateŋ ekome. Yɛ gbɛ nɛɛ nɔ lɛ, epoxy propane (propylene oxide) lɛ kɛ nu feɔ ekome yɛ nɔ ko ni haa nu lɛ feɔ ekome lɛ hiɛ. Nɔ ni baa lɛ baanyɛ aba yɛ shihilɛi srɔtoi amli. 150 - 200°C) kɛ nɔnyɛɛ (0.98 - 2.94 MPa) tsuɔ nii, ni nu - kɛ - epoxy propane molar ratio ni ji 20. by - nibii hu ji nɔ ni ajieɔ lɛ kpo. Gbɛ kroko hu ji acid - ni akɛwoɔ nu mli, he ni akɛ acid ni haa nu mli shwieɔ shi (tamɔ sulfuric acid) fioo ko fataa he. Akɛ nɔ ni jɛɔ mli baa lɛ tsuɔ nii yɛ hulutsoo be ni baa shi fioo mli (50 - 70°C), ni ehe miihia ni ajie nɔ ni jɛɔ mli baa lɛ mli ni atsuu he kɛtsɔ gbɛi tamɔ vacuum distillation nɔ koni anyɛ ana propylene glycol ni he tse waa.

Glycerol Katalitik nu mli tsakemɔ: Abaanyɛ akɛ glycerol atsu nii akɛ nɔ ni akɛfeɔ propylene glycol. Yɛ gbɛ nɛɛ nɔ lɛ, glycerol lɛ tsɔɔ e-hydroxyl kui lɛ amli protonation mli klɛŋklɛŋ, ni no sɛɛ lɛ, nu ni hoɔ yɛ molekulii lɛ amli lɛ nyiɛɔ sɛɛ koni ekɛfee nibii ni yɔɔ teŋgbɛ tamɔ enols kɛ keto - aldehyde tautomers. No sɛɛ lɛ, nɛkɛ nibii ni yɔɔ teŋgbɛ nɛɛ tsɔɔ hydrogenation mli yɛ nɔ ko ni haa nɔ ko yaa hiɛ (tamɔ nɔ ko ni damɔ akɔɔble nɔ), ni naagbee lɛ ehaa 1,2 - propylene glycol baa. Gbɛ nɛɛ yɛ sɛɛnamɔ akɛ akɛ niyenii ni anyɛɔ atsakeɔ (glycerol) tsuɔ nii, ni abaanyɛ ana kɛjɛ nibii tamɔ biodiesel feemɔ mli.

Biotɛknɔlɔji gbɛi: Abaanyɛ afee nibii bibii komɛi, tamɔ muawai kɛ yeast henɔi komɛi, koni amɛfee propylene glycol kɛtsɔ ŋmɔtɔ gbɛjianɔtoo nɔ. Nɔkwɛmɔnɔ, kɛtsɔ Escherichia coli loo Klebsiella pneumoniae wala yibii tsakemɔ nɔ lɛ, abaanyɛ afee amɛ ni amɛtsake sikli (tamɔ sikli) loo glycerol awo propylene glycol mli. Nɛkɛ biotechnology gbɛ nɛɛ hiɔ shihilɛ mli nibii ahe jogbaŋŋ kɛ akɛto blema tsofa gbɛi ahe, ejaakɛ etsuɔ ​​nii yɛ shihilɛi ni mli ejɔ mli ni ebaanyɛ ekɛ carbon jɛɛhei ni anyɛɔ atsakeɔ lɛ atsu nii. Shi kɛlɛ, nibii ni anáa kɛjɛɔ mli kɛ shika ni akɛtsuɔ nii lɛ ji hei ni esa akɛ afee niiamlitaomɔ kɛ hiɛyaa lolo.

Gbɛjianɔtoi

Hewalɛ he susumɔi: Eyɛ mli akɛ abuɔ propylene glycol akɛ ehi jogbaŋŋ kɛha niyenii, tsofai, kɛ tsofai ni akɛsaa gbɔmɔtso lɛ yɛ husui ni akpɛlɛ nɔ lɛ amli moŋ, shi kɛji akɛ ajie lɛ kpo babaoo loo aye lɛ, ebaanyɛ ekɛ gbɔmɔtsoŋ hewalɛnamɔ aba. Kɛ́ mɔ ko ye nii babaoo lɛ, ebaanyɛ ekɛ okadii tamɔ shwiemɔ, shwiemɔ, kɛ shwiemɔ aba. Yɛ shihilɛi ni mli wa waa amli lɛ, ebaanyɛ ekɛ metabolic acidosis, ni ji hela ko ni haa gbɔmɔtso lɛ buaa acid babaoo naa lɛ aba. Hewolo nɔ ni akɛ propylene glycol ni mli eyi obɔ lɛ kpe lɛ baanyɛ aha aŋkroaŋkroi komɛi amli afu, titri lɛ mɛi ni hewolo nɔ wa lɛ. Esa akɛ ajie hewolo nɔ nibii ni ajieɔ lɛ kpo be kakadaŋŋ loo shii abɔ lɛ. Kɛ akɛtsu nii yɛ nitsumɔhei lɛ, kɔɔyɔɔ ni sa he miihia koni akamu propylene glycol lasu lɛ, ejaakɛ mumɔ ni fa babaoo lɛ baanyɛ aha mɔ lɛ aná mumɔ ni haa mɔ tsui nyɔɔ emli.

La kɛ Tsɔɔmɔ Osharai: Propylene glycol lɛ shãa oya, eyɛ mli akɛ eyɛ la ni tsoɔ waa moŋ. E-vapors lɛ baanyɛ afee nibii ni tswaa ni akɛfutuɔ kɔɔyɔɔ yɛ shihilɛi komɛi amli. Esa akɛ ajie hei ni akɛ nibii toɔ kɛ hei ni akɛtsuɔ nii yɛ lɛ kɛjɛ la ni tsoɔ, la ni tsoɔ, kɛ nibii krokomɛi ni haa la shãa lɛ ahe. Esa akɛ nibii ni akɛtoɔ nibii ni la nyɛɔ etswaa kɛ nibii ni sa ni akɛbaagbe la he lɛ ahi hei ni akɛ propylene glycol toɔ loo akɛtsuɔ nii yɛ lɛ.
Shihilɛ mli Hewalɛ: Yɛ be mli ni propylene glycol lɛ nyɛɔ efiteɔ lɛ, kɛji ajieɔ lɛ babaoo kɛyaa shihilɛ mli, titri lɛ nu mli lɛ, ebaanyɛ ená hewalɛ lolo. Yɛ nu mli nibii amli lɛ, ebaanyɛ eye kɔɔyɔɔ kpakpa be mli ni efiteɔ lɛ, ni baanyɛ aná nu mli wala nɔ hewalɛ. No hewɔ lɛ, esa akɛ ato jwɛi he gbɛjianɔ jogbaŋŋ kɛ gbɛjianɔtoo ni sa ni akɛtsiɔ naa koni akajie propylene glycol ni akudɔɔɔ kɛyaa shihilɛ mli lɛ naa.

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