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Jeŋ muu fɛɛ - PVA ni hi fe fɛɛ: Polymer ni hi jogbaŋŋ kɛha nitsumɔi srɔtoi

Wɔkɛ wɔ Jeŋ Muu Fɛɛ - Premier PVA (Polyvinyl Alcohol), ni ji polymer ni yɔɔ srɔtoi ni tsuɔ nii jogbaŋŋ ni akɛtsuɔ nii yɛ nitsumɔhei srɔtoi lɛ miitsɔɔ wɔ. Akɛ ŋaalee ni etee hiɛ waa kɛ nɔkwɛmɔ ni mli wa fee, ni ale wɔ PVA lɛ yɛ enibii ni hi jogbaŋŋ kɛ nitsumɔ ni anyɛɔ akɛ he fɔ̃ɔ nɔ lɛ hewɔ, ni no haa efeɔ nɔ ni mɛi ni feɔ nibii lɛ sumɔɔ waa yɛ jeŋ fɛɛ.

    Nitsumɔhei Wuji

    Akɛ PVA tsuɔ nii babaoo yɛ atadefeemɔ nitsumɔhe lɛ. Etsuɔ nii akɛ nɔ ni akɛkwɛɔ tsɔnei ni akɛwoɔ tsɔne mli lɛ amli, ni ehaa amɛhewalɛ kɛ ŋmɔlɔ yaa hiɛ yɛ be mli ni akpɛɔ tsɔne lɛ. Enɛ yeɔ ebuaa ni ehaa mama lɛ mli fãmɔ baa shi, ni ehaa mama lɛ fɛɛ feɔ nɔ ni hi jogbaŋŋ. Yɛ tsɔne ni akɛkpɛɔ nii lɛ sɛɛ lɛ, abaanyɛ ajie PVA lɛ oya kɛtsɔ ŋmɔlɔ nɔ, ni eha mama lɛ ahi shi yɛ bɔ ni eyɔɔ tsutsu lɛ mli. Kɛfata he lɛ, akɛ PVA tsuɔ nii kɛfeɔ atadei ni akɛwoɔ atadei amli kɛ nibii ni akɛkpɛtɛɔ nii ahe lɛ, ni ehaa nɔ ni akɛkpɛtɛɔ he lɛ hiɔ shi jogbaŋŋ ni ehiɔ shi be kakadaŋŋ.

    Yɛ wolofeemɔ nitsumɔhe lɛ, akɛ PVA tsuɔ nii akɛ nɔ ni akɛkwɛɔ ŋwɛi ŋta kɛ nɔ ni akɛfiɔ he. Ákɛ nɔ ni akɛkwɛɔ woji lɛ anɔ lɛ, ehaa nu nyɛɛɛ ashɛ he, ehe wa, ni ehaa woji lɛ nyɛɔ amɛkalaa. Efeɔ sini bibioo ko ni mli tse yɛ wolo lɛ nɔ, ni ehaa niŋmaatsei lɛ gbɛɔ eshwaa, ni ehaa mfoniri ni akala lɛ mli tseɔ jogbaŋŋ. Akɛ nɔ ni akɛfiɔ nii ahe lɛ, akɛ PVA tsuɔ nii yɛ woji ni akɛwo mli kɛ woji ni akɛwoɔ mli lɛ afeemɔ mli, ni ehaa nɔ ni akɛwo nɔ lɛ kɛ nɔ ni yɔɔ shishi lɛ teŋ lɛ kpɛtɛɔ he jogbaŋŋ, ni ehaa woji ni akɛfee lɛ ahewalɛ kɛ esɛɛfimɔ fɛɛ yaa hiɛ.

    PVA hu ji nɔ ko ni he hiaa waa yɛ tsɔne ni akɛkpɛtɛɔ nii ahe lɛ mli. Eyɛ nibii ni hi jogbaŋŋ ni ekɛkpɛtɛɔ nii ahe, titri lɛ kɛha nibii ni mli ewo muji tamɔ tsei, woji, kɛ atadei. PVA - ni akɛkpɛtɛɔ nii ahe lɛ ji nu - ni shwieɔ shi, ni ekɛ nitsumɔ waaa, ni eyɛ hewalɛ kpakpa ni ekɛkpɛtɛɔ he. Akɛtsuɔ nii babaoo yɛ tsumaa, shĩa mli nibii, kɛ nibii ni akɛwoɔ mli lɛ amli koni akɛfi nibii srɔtoi ahe. Kɛfata he lɛ, abaanyɛ atsake PVA nibii ni akɛkpɛtɛɔ nii ahe lɛ kɛ nibii krokomɛi ni akɛfataa he koni eha amɛnyɛ amɛshi hulutsoo, amɛnyɛ amɛshi nu, kɛ nibii krokomɛi ni amɛyɔɔ lɛ jogbaŋŋ koni amɛshɛ nitsumɔ he taomɔ nii pɔtɛɛ komɛi ahe.

    Yɛ tsɔne ni akɛwoɔ tsɔne mli lɛ mli lɛ, akɛ PVA tsuɔ nii akɛ nɔ ni feɔ sini. Ehaa nɔ ko ni mli tse, ni nyɛɔ efoɔ, ni nu nyɛŋ abote mli lɛ feɔ nɔ ni akɛwo nɔ lɛ nɔ, ni ebuɔ mɔ he kɛjɛɔ ŋmɔtɔ, tsofai, kɛ UV la ni tsoɔ lɛ he. Akɛ PVA - ni damɔ shi shiŋŋ lɛ tsuɔ nii babaoo yɛ tsei, dade, kɛ plastic nibii ahe buu mli. Amɛbaanyɛ amɛkɛtsu nii hu akɛ shishijee nɔ loo nɔ ni akɛwoɔ teŋgbɛ nɔ koni ekɛha ŋwɛi - nɔ lɛ akpɛtɛ he jogbaŋŋ ni etsu nii jogbaŋŋ.

    Nibii pɔtɛɛ

    Nibii Gbɛi Polyvinyl dãa
    Tsofa he gbɛjianɔtoo (C2H4O)n
    Molekular Muji 30,000 kɛyashi 150,000 g/mol
    Bɔni oyɔɔ Pauda yɛŋ loo ŋmɔtɔ
    He ni Shãa 230 kɛyashi 240°C
    Dɛnsiti 1.26-1.31 g/sm3
    CAS NO 9002-89-5
    HS Mlai 39053000
    EINECS NO 209-183-3 lɛ nɔ
    Aplikashiŋ Akɛtsuɔ nii yɛ nibii ni akɛkpɛtɛɔ nii ahe, atadei, woji ni akɛwoɔ mli, kɛ sinii amli

    Wolo ni Kwɛɔ Nɔ ni Hi jogbaŋŋ lɛ Nɔ

    Nibii Gbɛi Polyvinyl dãa
    NOKO HE NYƆŊMƆ (%) KAA HE NYƆŊMƆ (%)
    Daa ni akɛtsuɔ nii yɛ mli lɛ mlijaa%(mol/mol) 86.5-88.0 86
    Nɔ ni mli wa mPa·s 45.0 -55.0 48
    Nibii ni yɔɔ mli ni tsakeɔ ≤5 3
    Ashwishwɛ mli nibii% ≤0 0
    pH sɛɛnamɔ 5.0 5.0
    Nibii bibii lɛ adalɛ da fe 10mesh - 2
    Nibii bibii ni dalɛ ji bibioo fe 60mesh - 2

    Yɛ kukufoo mli lɛ

    Wɔ Global - Premier PVA lɛ yɛ srɔtoi kɛ henɔi srɔtoi, ni powder, granules, kɛ solutions fata he, koni akɛtsu nitsumɔhei srɔtoi ahiamɔ nii pɔtɛɛi ahe nii. PVA lɛ mli fã fɛɛ fã yɛ nibii pɔtɛɛ komɛi tamɔ bɔ ni eyɔɔ ŋmɔlɔ ha, bɔ ni eyɔɔ polymerization, kɛ bɔ ni alcoholysis yɔɔ ha, ni abaanyɛ afee lɛ bɔ ni mɛi ni heɔ nii lɛ taoɔ lɛ. Akɛ wɔ PVA nibii lɛ woɔ ŋmɔtɔ - odaseyeli kɛ kɔɔyɔɔ - ni nyɛŋ abote mli koni amɛkwɛ akɛ amɛhi jogbaŋŋ ni amɛhi shi shiŋŋ yɛ be mli ni akɛtoɔ kɛ gbɛfaa mli. Kɛji akɛ oji mɔ ko ni feɔ atadei yɛ Asia, wolofeemɔ nitsumɔhe ko yɛ Europa, mɔ ko ni feɔ nibii ni akɛkpɛtɛɔ nii ahe yɛ North America, loo nitsumɔhe ko ni feɔ atadei yɛ South America lɛ, wɔ Global - Premier PVA lɛ ji polymer ni anyɛɔ akɛ he fɔ̃ɔ nɔ ni hi jogbaŋŋ ni baanyɛ aye abua bo ni oha onibii lɛ atsu nii jogbaŋŋ ni amɛhi jogbaŋŋ.