PVA glue - kwengoma. izici Kobuchwepheshe Yesigcilikisha

Uma ufuna okuthile banamathelane, okokuqala ukucabanga ezivamile glue PVA. Itholakala kuwo wonke ekhaya kanye nehhovisi, isetshenziswa hhayi kuphela kunenze nisondelane iphepha plain, kodwa futhi embonini yezokwakha. Futhi sibonga oyiyo elula, ikuvumela ukuba ushintshe ukusetshenziswa isingeniso kwezithako ekhethekile.

Umlando omncane

Emuva ngo-1912, amaJalimane wakwazi Klatt ka acetylene igesi vinyl acetate. I-ejenti entsha in the polymerization baba okunamathelayo. Kodwa nje ngaphambi kweMpi Yezwe II American Farben kusungulwa kokukhiqiza ngenhloso ka PVA glue.

Ngemva kweminyaka emine, isiKorea, ucwaningo ezimele uthola Vinalon, ogxile polyvinyl utshwala. Njengoba PVA glue, intengo okuyinto esingaphansi nezinye anamathelayo eziningi, sandile emhlabeni jikelele.

Ensimini ka ezweni elaliyiSoviet Union ukuze ekukhiqizweni PVA awuqala yoma ekuqaleni kwekhulu lamashumi amabili e Severodonetsk (Lugansk esifundeni). ogogo bethu namanje khumbula ukuthi ngaphambi kokuba kulesi sikole isifundo bakhandlekela gluing iphepha usebenzisa iglu enegama engavamile "ngomuthi". Futhi eminyakeni enzima ngemva kwempi ye-ingcina okulungiselelwe ekhaya noma kuphekwe amazambane isitashi.

Futhi manje asikwazi ukucabanga ukuthi kungenzeka kanjani ukuba ikhiphe ne PVA glue.

PVA glue: Ukucaciswa

Lokhu emangalisayo futhi babe izindlela komkhuba anezakhi eziningi zenani elikhulu. amandla ayo ingcina kwaba 450 N / m. Ngenxa ivumelana nezimo nekufana isetshenziswa ngendlela ungqimba elincanyana okuyinto ingabonakali emva iphele. Iphepha nendawo PVA, kungaba kalula bent, ngemva iphele awusebenzi aphambane.

A plus omkhulu akunakudluliswa ezinobuthi futhi okungezona flammability, sisivumele ingasetshenziswa izingane ekilasini kanye ekhaya. Hhayi iphunga eqinile ezikhishwe ngesikhathi ukusetshenziswa ingcina, akuyona ingozi. Zonke izinhlobo glue, ngaphezu PVA-K (zokubhala), ukumelana zeqhwa kane ngaphandle kokulahleka izakhiwo. Uma kunesidingo, buhlanjululwe ngamanzi noma ezinye izihlanzi, isib, acetone. Iphele nini incike ukujiya ungqimba futhi ingeqi amahora angu-24.

Isinqe salo ketshezi ivumela ukungena izithasiselo ehlukahlukene e-PVA glue, okwakhiwa kwalo kuyehluka ngaleyo ndlela ohlangothini oyifunayo. Ngakho entsha komkhuba glue cultivars zenzelwe.

izinhlobonhlobo PVA

Ngokusebenzisa ukwengeza enwetshiwe kwenkululeko glue PVA.

Sibala ezindaweni eziyinhloko ukusetshenziswa:

• application abendlu (ukusondelana iphepha plain);
• zisebenzisa iyokhandwa (Wallpapering, linoleum);
• ukufakwa tile Ceramic;
• isicelo embonini yezokwakha njengoba izithasiselo.

Incazelo izinhlobo glue

Kumile PVA ingcina, okuyinto Ukwakheka iqukethe akukho izithasiselo anobuthi esetshenziselwa kunenze nisondelane iphepha, lokusungula zezingane. Ngenxa ukungabikho kumakhemikhali awuketshezi ngaphandle kwamanzi, akuyona ingozi izingane, ingasetshenziswa endlini ngaphandle hoods.

Ebangeni ezivame kakhulu PVA - jikelele. It has a ububanzi ezibanzi kwesicelo. Abakwazi ethe njo china, ingilazi nephepha. It is ukungezwa primer, putty kule ukulungisa izakhiwo, ukuthuthukisa izakhiwo esibophezelayo.

Household PVA esetshenziselwa wallpapering, iphepha esindayo. It libhekene okusezingeni eliphezulu frost ukumelana.

PVA glue has ukungaguquguquki super viscous ngenxa plasticizers yalokho esetshenziselwa ukulungisa tile, plastic, metal. Isicelo Its main - embonini yezokwakha.

PVA glue joiner lithuthukile umswakama ukumelana naso futhi kwenze isetshenziselwa yokuxhuma imikhiqizo lokhuni.

Olunye uhlobo ethandwa glue - PVA "Moment". It libhekene impahla yayo leso kunenze nisondelane evele ngaphandle wevikeleko ngokucindezela. Ingasetshenziselwa zokuthola laminate, amapulangwe aphansi amakhabethe nokunye ngomuthi.

Ikakhulukazi ezinye izinhlobonhlobo PVA

Isakhiwo PVA isetshenziswa hhayi nje njengomuntu self-Yesigcilikisha, kodwa ibhekwa ezihlukahlukene zokwakha njengoba. Igama efanele ingcina ukwakhiwa - ukuhlakazeka polyvinyl acetate homopolymer. Ngenxa kwabantu indlela yokwakheka ingcina ukwakhiwa sisetshenziswa nge trowel. A evele kunenze nisondelane kufanele kahle bahlanza kusuka uthuli degrease.

PVA glue, okwakhiwa kwalo ihlanganisa plasticizer akufanele selehlile ngezansi zero degrees, kungenjalo uzolahlekelwa impahla yayo. Ngesikhathi esifanayo, kokokunamathisela ayiqukethe izithasiselo ezifana, zingamelana frost degrees amane ngaphandle kokulahlekelwa impahla yayo ingcina ngemva incibilikiswa. Uma kwakhiwa omisa ifilimu, kumele kususwe, futhi ungqimba elixutshwe ngokuphelele phezu ingcina ebusweni mass. Ukuvimbela inhlaka usuwomile, lilondolozwe iziqukathi uvalwe waqiniswa.

PVA glue: Ukwakheka

Cabanga izingxenye eziyisisekelo ukuthi kunezelwa ingcina ukushintsha ingcina yayo izakhiwo. Lezi izinto zokusetshenziswa kunezelwa esigabeni sokukhiqizwa futhi ihlukaniswe yaba amaqembu ezilandelayo:

• anamathelayo;
• imithi yokususa ingcekeza elenkani;
• plasticizers;
• fillers;
• hardeners;
• stabilizers.

Isilinganiso yezingxenye ngenhla futhi odlulisela izakhiwo efiselekayo izinhlobo ezahlukene glue.

Nokuthobela, okuhlanganisa isitashi resin Ukwakheka lidlulisele amandla ngesikhathi uxhumano.

Njengoba uketshezi olusetshenziswa, acetone, benzene, nabanye. Leveraging ukumelana amanzi ukushisa nawo, ukunciphisa amandla ungqimba ingcina. Ngakho-ke, okuqukethwe kuphela ku PVA incane.

Okubizwa ngokuthi plasticizers ukunikeza Ukuzivumelanisa nezimo ingcina amalunga omzimba. Ngakho-ke, leli phephandaba ethe njo PVA, kungaba izimisele kalula ngaphandle kokuphula uxhumano. Plasticizer zihlanganisa glycerin, uwoyela camphor.

Ukuze uthuthukise amandla uyaca ingcina ingezwe excipients: kaolin, talc, wokulinganisa.

Ukuze kuncishiswe inkathi solidification futhi eyenza lukhuni, sebenzisa izithasiselo ingilazi encane, zobumba noma insimbi.

Ukwandisa impilo eshalofini we ukwakheka ingcina iqondiswa e stabilizers yayo okuyinto zihlanganisa styrene inhibitor, nitro compounds ahlukahlukene.

PVA glue, intengo zazo kuncike uya khona futhi khona izingxenye ezithile, namanje waqaphela njengoba eshibhe futhi ezingabizi kakhulu. Ukwakhiwa ingcina kuyinto ruble kilogram per 26. Kuyinto ekahle wallpapering. Universal PVA glue amamaki, "Rainbow", "Bolars" ezibizayo - ruble 65 kilogram per.

izindlela original yokusebenzisa PVA

Ngaphandle izindlela evamile yokusebenzisa PVA ingcina ngoba kunenze nisondelane iphepha noma ngesikhathi ukulungisa, izingcweti ukuthole isicelo ngaphezulu yasekuqaleni.

Ngokwesibonelo, ngokuhlanganisa gouache futhi PVA, ungakwazi ekudwebeni ngendwangu noma amakhabethe nokunye ngomuthi. It kuvela enye indlela emangalisayo ukuba uwoyela noma acrylic upende ezibizayo. Ngenxa gouache glue amanga kahle nendaba kugcinwa eside. Uma umphumela akafani ke, ngaleso sikhathi zonke izinto kalula wageza off, futhi ungaqala futhi.

Abesifazane zisebenzisa i-glue i manicure. It singasetshenziswa izipikili njengoba base ngaphansi nail Polish nge licwebezele. Ngenxa yokungakhokhi ubuthi bayo, le nkulumo ayinankinga ukuba nail futhi ngaleyo ndlela kungenziwa kalula zisuswe ngaphandle kokusebenzisa imithi yokususa ingcekeza elenkani.

Uma wenza isicelo ingcina kuya cuticle emhlabeni nail, awukwazi besaba ukuthi upende uthola esikhumbeni. strip Yesigcilikisha nge lacquer izinsalela ngokushesha asuswe emva omiswe.

izimo isitoreji

Ukuze isitoreji PVA ingcina Ukwakheka ahlobene kumakhemikhali awuketshezi oluyingozi esetshenziswa esitsheni avaliwe equkethe at esuka degrees emihlanu kuya kweyishumi.