Ibikoresho by'ibanze byifashishwa bya PVA

Filime ya Polyvinyl (PVA) ikoreshwa cyane mu nganda zitandukanye kubera iyayoibinyabuzima bishobora kwangirika, gukemura amazi, hamwe nibintu byiza bya firime. Ariko, kugera ku rwego rwo hejuruPVA yerekana amashushobisaba guhitamo neza ibikoresho fatizo. Gusobanukirwa nibintu byingenzi nibyingenzi mugutezimbere imikorere ya firime, kuramba, nibikorwa.

1. Inzoga ya Polyvinyl (PVA) - Ikintu Cyibanze

Intandaro ya firime ya PVA ibeshyainzoga ya polyvinyl, sintetike ya polymer itanga neza cyane, guhuza, hamwe nimbogamizi. Uburemere bwa molekile hamwe na hydrolysis ya PVA bigira ingaruka kuriimbaraga za firime, gukomera, hamwe no kurwanya imiti. Guhitamo icyiciro cyiza cya PVA byerekana imikorere myiza mubisabwa nko gupakira, ubuhinzi, na farumasi.

2. Plastiseri - Kongera imbaraga nimbaraga

Plastiseri yongeyehokunoza imiterere nubukanishiya PVA. Hatabayeho plasitike, firime irashobora gucika intege kandi ikunda gucika. Amashanyarazi asanzwe akoreshwa muriPVA yerekana amashushoharimo:

•Glycerol- Amashanyarazi akoreshwa cyane yongerera ubworoherane no kugumana ubushuhe.

•Polyethylene Glycol (PEG)- Kunoza imiterere ya firime kandi ikarinda kugabanuka.

•Sorbitol- Kuzamura igihe kirekire mugukomeza urwego rwo hejuru rwo gukorera mu mucyo.

Guhitamo plastike ibereye bifasha kuringanizaimbaraga, gukorera mu mucyo, no guhindukakubintu bitandukanye bikenerwa mu nganda.

3. Guhuza abakozi - Kunoza kuramba no kurwanya amazi

PVA firime akenshi isaba guhuza abakozi kugirangokongera imiti irwanya imiti, ituze ry’amazi, nimbaraga za mashini. Izi mikorere zikora muguhuza imiti hagati yiminyururu ya polymer, bigatuma firime iba myinshikwihangana kandi biramba. Ibikoresho bisanzwe bihuza birimo:

•Borates (Borax)- Kunoza ubukana bwa firime hamwe na adhesion.

•Glutaraldehyde- Kongera imbaraga zo kurwanya amazi mugihe ukomeza guhinduka.

•Acide Dicarboxylic- Gushimangira imiterere ya firime utabangamiye ibinyabuzima.

Ihuza ryiburyo ryibikoresho bihuza byemeza aigihe kirekire kandi gikora cyane PVA film.

4. Abuzuza - Kuzamura ibikoresho bya mehaniki na optique

Guhindura imiterere, isura, n'imikorere ya firime ya PVA,kuzuzaByongeweho. Ibi bikoresho birashobora gutera imberefirime idasobanutse, imbaraga, hamwe nigiciro-cyiza. Bimwe mubisanzwe byuzuzwa birimo:

•Dioxyde ya Titanium (TiO₂)- Itanga umweru no kurwanya UV.

•Silica (SiO₂)- Kongera imbaraga za firime no kugabanya guterana hejuru.

•Kalisiyumu Carbone (CaCO₃)- Kugabanya ibiciro byumusaruro mugihe ukomeje ubusugire bwa film.

Gukoresha ibyuzuye neza bifasha umudozi wa PVA kuriPorogaramu yihariye, nkibipfunyika ibinyabuzima, firime yubuhinzi, cyangwa imifuka ibora amazi.

5. Surfactants - Gutezimbere Coating Uniformity

Kuri ndetse naPVA yerekana neza, surfactants ni ngombwa. Izi nterurogabanya impagarara hejuru, kwemerera igifuniko gukwirakwira hejuru yubuso. Ibyingenzi byingenzi bikoreshwa mugutunganya firime ya PVA harimo:

•Ibikoresho bitari ionic- Kunoza amashusho ya firime no gutatanya.

•Anionic surfactants- Kongera umutekano hamwe no gufatira hamwe.

•Silicone ishingiye kuri surfactants- Kugabanya ubuso bwubuso no kunoza uburinganire bwa firime.

Guhitamo neza birashobokauburebure bwa firime burigihe kandi bworoshye, ni ngombwa kubisabwa bisaba inzitizi zuzuye.

6. Ibyongeweho - Kuzamura imikorere n'imikorere

Inyongeraimikorere-yongerera imbaraga inyongerairashobora kwinjizwamoPVA yerekana amashushokuzuza ibisabwa byinganda. Bimwe mubyongeweho bisanzwe birimo:

•UV Stabilizers- Kurinda kwangirika kwizuba ryizuba.

•Kurwanya gukumira- Irinde ibice bya firime gufatana mugihe cyo kubika.

•Imiti igabanya ubukana- Ongera ubuzima bwibicuruzwa ubuza gukura kwa bagiteri.

Muguhitamo witonze ibyongeweho neza, ababikora barashoboraHindura firime ya PVAkuzamura imikoreshereze yabo munganda zitandukanye.

Umwanzuro

Ubwiza n'imikorere yaPVA yerekana amashushoBiterwa na agutegura neza ibikoresho fatizo. Muguhitamo neza guhuzaPVA, plasitike, ibikoresho bihuza, byuzuza, surfactants, ninyongera, abayikora barashobora gukora firime hamwekuramba birenze, guhinduka, no gukora.

Urashaka ibisubizo byiza bya firime ya PVA?TwandikireJWELLUyu munsigushakisha ibikoresho byateye imbere hamwe nibisubizo bishya bikwiranye nibyo ukeneye!