Global - Premier PVA: Polymer nziza cyane ku bikoresho bitandukanye
Amashami y'ingenzi yo gusaba
PVA ikoreshwa cyane mu nganda z'imyenda. Ikora nk'ikintu gipima ubudodo, ikongera imbaraga n'uburoso mu gihe cyo kuboha. Ibi bifasha kugabanya kwangirika no kongera ubwiza bw'imyenda muri rusange. Nyuma yo kuboha, PVA ishobora gukurwaho byoroshye no kumesa, bigatuma imyenda isigarana imiterere yayo y'umwimerere. Byongeye kandi, PVA ikoreshwa mu gukora irangi ry'imyenda n'amakori, bigatuma ifata neza kandi iramba.
Mu nganda zikora impapuro, PVA ikoreshwa nk'igikoresho cyo gupima ubuso n'icyuma gifunga. Nk'igikoresho cyo gupima ubuso, yongera ubushobozi bwo kudacapa, amazi no gutuma impapuro zicapwa neza. Ikora agapira gato kandi kabonerana ku buso bw'impapuro, ikarinda wino gukwirakwira no kunoza ubwiza bw'amashusho yacapwe. Nk'igikoresho cyo gufunga, PVA ikoreshwa mu gukora impapuro n'ibibaho bitwikiriwe, yongera uburyo bwo gufatana hagati y'urwego rwo gusiga n'ubutaka, kandi ikongera imbaraga n'uburambe bw'ibicuruzwa by'impapuro.
PVA ni igikoresho cy'ingenzi mu nganda zikora kole. Ifite ubushobozi bwiza bwo gufata kole, cyane cyane ku bikoresho bifite imyenge nk'ibiti, impapuro, n'imyenda. Kole zishingiye kuri PVA zirashonga mu mazi, zoroshye gukoresha, kandi zifite imbaraga nziza zo gufata kole. Zikoreshwa cyane mu nganda z'ubwubatsi, ibikoresho byo mu nzu, no mu gupakira ibikoresho bitandukanye. Byongeye kandi, kole za PVA zishobora guhindurwa hamwe n'izindi nyongeramusaruro kugira ngo zongere ubushobozi bwazo bwo kudashyuha, kudakoresha amazi, n'ibindi kugira ngo zihuze n'ibisabwa byihariye.
Mu rwego rwo gusiga, PVA ikoreshwa nk'ikintu gitanga firime. Ikora firime ibonerana, yoroshye kandi idapfa amazi ku buso bw'ikintu gitwikiriwe, ikabarinda ubushuhe, imiti, n'imirasire ya UV. Ifirime ishingiye kuri PVA ikoreshwa cyane mu kurinda ubuso bw'ibiti, ibyuma, na pulasitiki. Ishobora kandi gukoreshwa nk'igipimo cyo hejuru cyangwa igipfundikizo cyo hagati kugira ngo inoze gufatana no gukora neza kw'igipfundikizo cyo hejuru.
Ibisobanuro
| Izina ry'igicuruzwa | Inzoga ya Polyvinyl | |||||||||
| Formula y'ibinyabutabire | (C2H4O)n | |||||||||
| Uburemere bwa molekile | 30.000–150.000 g/mol | |||||||||
| Isura | Ifu y'umweru cyangwa granule | |||||||||
| Aho gushonga | 230–240°C | |||||||||
| Ubucucike | 1.26–1.31 g/cm³ | |||||||||
| NOMERO YA CAS | 9002-89-5 | |||||||||
| Kode y'Ubwishingizi bw'Ubuzima (HS) | 39053000 | |||||||||
| NO YA EINECS | 209-183-3 | |||||||||
| Porogaramu | Ikoreshwa mu gufunga, imyenda, impapuro zo gusiga, na filimi | |||||||||
Urupapuro rwo kugenzura ubuziranenge
| Izina ry'igicuruzwa | Inzoga ya Polyvinyl | ||||||
| IGITEKEREZO | AGACIRO K'IGIHE GISANZWE(%) | AGACIRO K'IGERAGEZA(%) | |||||
| Ingano ya Alcoolize%(mol/mol) | 86.5～88.0 | 86 | |||||
| Ubushobozi bwa mPa·s | 45.0～55.0 | 48 | |||||
| Ibirimo bihindagurika | ≤5 | 3 | |||||
| Ibikubiye mu ivu% | ≤0 | 0 | |||||
| agaciro ka pH | 5.0 | 5.0 | |||||
| Ingano y'uduce duto turenze mesh 10 | - | 2 | |||||
| Ingano y'uduce duto kurusha mesh 60 | - | 2 | |||||
Muri make
PVA yacu ya Global - Premier iboneka mu byiciro bitandukanye no mu buryo butandukanye, harimo ifu, utubumbe, n'ibisubizo, kugira ngo ihuze n'ibyo inganda zitandukanye zikeneye. Buri cyiciro cya PVA gifite imiterere yihariye nko kubaga, urugero rwa polymerization, n'urugero rwa alcoholized, bishobora guhindurwa hakurikijwe ibyo abakiriya bakeneye. Ibicuruzwa byacu bya PVA bipfunyitse mu buryo budashobora guhumeka kandi bugapfunyikwa neza kugira ngo bigerweho ireme n'ubudahangarwa mu gihe cyo kubibika no kubitwara. Waba uri uruganda rukora imyenda muri Aziya, uruganda rukora impapuro mu Burayi, uruganda rukora kole muri Amerika ya Ruguru, cyangwa ikigo gitanga irangi muri Amerika y'Epfo, Global - Premier PVA yacu ni polymer yizewe kandi ifite ubuziranenge buhanitse ishobora kugufasha kunoza imikorere n'ubwiza bw'ibicuruzwa byawe.