Xexeame katã - Premier PVA: Deŋgɔ - Quality Polymer na Dɔwɔwɔ Vovovowo
Dɔwɔwɔ ƒe Agble Gãwo
Wozãa PVA geɖe le avɔlɔ̃ƒewo. Ewɔa dɔ abe ka ƒe lolomedzidzenu ene, si wɔnɛ be woƒe ŋusẽ kple woƒe ƒuƒu nyona ɖe edzi ne wole wo lɔ̃m. Esia kpena ɖe ame ŋu be avɔa ƒe gbagbã dzi ɖena kpɔtɔna eye wònaa avɔa ƒe nyonyome bliboa nyona ɖe edzi. Le avɔlɔlɔ̃ vɔ megbe la, woate ŋu aɖe PVA ɖa bɔbɔe to eklɔ me, si ana avɔa nakpɔ eƒe nɔnɔme gbãtɔwo. Tsɔ kpe ɖe eŋu la, wozãa PVA le avɔ siwo wotsɔ blaa nu kple nusiwo wotsɔna léa nu ɖe nu ŋu wɔwɔ me, si wɔnɛ be woléna ɖe nu ŋu nyuie eye wònɔa anyi didina.
Le pepadɔwɔƒewo la, wozãa PVA abe nusi wotsɔ dzidzea anyigba ƒe lolome kple nusi wotsɔ blaa nu ene. Esi wònye nusi naa pepa ƒe lolome nɔa anyigba dzi ta la, enaa tsi te ŋu nɔa te ɖe pepa ŋu, eƒe ŋusẽ nɔa eŋu, eye wòte ŋu taae nyuie wu. Ewɔa nu tsɛ aɖe si me kɔ nyuie ɖe pepaa dzi, si wɔnɛ be nuŋlɔtsi mekakana o eye wònana nɔnɔmetata siwo wota la me kɔna nyuie wu. Abe agbalẽblanu ene la, wozãa PVA le pepa siwo ŋu wofa nu ɖo kple pepawo wɔwɔ me, si wɔnɛ be nusi wotsɔ blaa nu kple nusi wotsɔ blae dome la léna ɖe wo nɔewo ŋu nyuie wu, eye wònaa pepa siwo wowɔ ƒe ŋusẽ bliboa kple woƒe anyinɔnɔ nyona ɖe edzi.
PVA nye nu vevi aɖe hã le nusiwo wotsɔna léa nu ɖe nu ŋu ƒe dɔwɔƒewo. Nusiwo léna ɖe nu ŋu nyuie ŋutɔ, vevietɔ na nusiwo me ʋuʋudedi le abe ati, pepa, kple avɔwo ene. PVA - based adhesives nye tsi - me ʋeʋẽ, wo zazã le bɔbɔe, eye woƒe kadodo ƒe ŋusẽ nyo. Wozãa wo geɖe le xɔtuɖaŋu, xɔmenuwo, kple nubablɛwo ƒe dɔwɔƒewo tsɔ blaa nu vovovowo. Tsɔ kpe ɖe eŋu la, woate ŋu atrɔ asi le PVA-nulénu bubuwo ŋu kple nu bubu siwo wotsɔ kpe ɖe wo ŋu be woƒe dzoxɔxɔ ƒe tsitretsitsi, tsi ƒe tsitretsitsi, kple nɔnɔme bubuwo nanyo ɖe edzi be woawɔ ɖe wo zazã ƒe nudidi tɔxɛwo dzi.
Le nusiwo wotsɔ blaa nu ƒe akpa dzi la, wozãa PVA abe film - wɔwɔme ene. Ewɔa film si me kɔ, si te ŋu trɔna bɔbɔe, eye tsi mate ŋu age ɖe eme o ɖe nusi wofa la ƒe anyime, si naa ametakpɔkpɔ tso tsidzadza, atikewo, kple UV keklẽ me. Wozãa PVA - si wotu ɖe nutsyɔnu dzi geɖe le ati, ga, kple plastik ƒe anyigbawo takpɔkpɔ me. Woate ŋu azã wo hã abe gɔmedzenu alo domedome nutsyɔnu ene be wòana etame - nutsyɔnu la ƒe ƒoƒo kple dɔwɔwɔ nanyo ɖe edzi.
Nusiwo wogblɔ tso eŋu
| Adzɔnuwo ƒe Ŋkɔ | Aha sesẽ si woyɔna be Polyvinyl | |||||||||
| Atikewo ƒe Mɔfiame | (C2H4O)n | |||||||||
| Molekyulãwo ƒe Kpekpeme | 30,000–150,000 g/mol | |||||||||
| Dzedzeme | Atike ɣi alo granule | |||||||||
| Dzoxɔxɔ ƒe Teƒe | 230–240°C ƒe dzoxɔxɔ | |||||||||
| Toto | 1.26–1.31 g/cm3 ƒe kpekpeme | |||||||||
| CAS NO | 9002-89-5 dzi | |||||||||
| HS ƒe Sedede | 39053000 ƒe xexlẽme | |||||||||
| EINECS NO | 209-183-3 ƒe xexlẽdzesi | |||||||||
| Mᴐbibia | Wozãnɛ le nusiwo wotsɔna léa nu ɖe nu ŋu, avɔwo, pepa siwo wotsɔ blaa nu, kple filmwo me | |||||||||
Dzɔdzɔmeŋusẽŋununya Dzikpɔgbalẽvi
| Adzɔnuwo ƒe Ŋkɔ | Aha sesẽ si woyɔna be Polyvinyl | ||||||
| NU | STANDARD VALUE (%) ƑE NUÐEÐEŊUTI . | DODOKPƆ ƑE ASIXƆXƆ(%) . | |||||
| Aha sesẽ ƒe agbɔsɔsɔme%(mol/mol) . | 86.5～88.0 ƒe xexlẽme | 86. Ƒe 1999 me | |||||
| Nusiwo le lãme na ame mPa·s | 45.0～55.0 ƒe xexlẽme | 48. Ƒe 1999 me | |||||
| Nyatakaka Siwo Me Tɔtrɔna Le | ≤5 | 3. 3. | |||||
| Ash ƒe Nusiwo le eme% . | ≤0 | 0 | |||||
| pH ƒe asixɔxɔ | 5.0 | 5.0 | |||||
| Particle Size lolo wu 10mesh | - . | 2. 2. | |||||
| Particle Size sue wu 60mesh | - . | 2. 2. | |||||
Kpuie ko la
Míaƒe Xexeame Katã ƒe - Premier PVA le hatsotso vovovowo kple nɔnɔme vovovowo me, siwo dometɔ aɖewoe nye atikekuiwo, atikekuiwo, kple egbɔkpɔnuwo, be woakpɔ dɔwɔƒe vovovowo ƒe nuhiahiã tɔxɛwo gbɔ. PVA ƒe hatsotso ɖesiaɖe ƒe nɔnɔme tɔxɛwo abe eƒe ʋeʋẽ, alesi gbegbe wòwɔa polymerization, kple aha sesẽ ƒe agbɔsɔsɔme ene, si woate ŋu atrɔ asi le le asisiwo ƒe nudidiwo nu. Wobla míaƒe PVA-nuawo ɖe nubablɛ siwo me tsi mele o kple esiwo me ya megena ɖo o me be woakpɔ egbɔ be woƒe nyonyome kple woƒe liƒolili le wo dzadzraɖo kple wo tsɔtsɔ yi teƒe bubuwo me. Eɖanye avɔlɔ̃la le Asia, pepawɔƒe le Europa, aŋenuwɔƒe le Dziehe Amerika, alo nusiwo wotsɔna blaa nu le Anyiehe Amerika o, míaƒe Global - Premier PVA nye polymer si ŋu kakaɖedzi le eye wòle nyonyome nyuitɔ kekeake si ate ŋu akpe ɖe ŋuwò nàna wò adzɔnuwo ƒe dɔwɔwɔ kple nyonyome nanyo ɖe edzi.