PVA zomatira - zikuchokera. Luso makhalidwe a zomatira ndi

Ngati mukufuna chinachake kukakamirana pamodzi choyamba kuganiza za ambiri zomatira PVA. Ilipo mu m'nyumba iliyonse ndi ofesi, ntchito osati kulumikiza pepala mbalambanda, komanso zomangamanga. Ndipo chifukwa dongosolo wake wosavuta, amalola kusintha ntchito kumayambiriro zina zapadera.

A mbiri pang'ono

Back mu 1912 ku German Klatt anatha kutuluka mpweya acetylene vinilu nthochi. Nthumwi latsopano polymerization anakhala yomata. Koma monga nkhondo yachiwiri ya padziko lonse American Farben anakhazikitsa kupanga malonda a PVA ulimbo.

Patatha zaka zinayi, Korean, kuchita kafukufuku palokha amalandira Vinalon, ozikidwa pa polyvinyl mowa. Popeza PVA zomatira, mtengo umene ndi zosakwana zomatira ena ambiri, yafalikira kuzungulira dziko.

Pa gawo la Soviet Union kwa kuŵeta PVA anayamba mu makumi asanu ndi awiri oyambirira a mzaka zana makumi awiri mu Severodonetsk (Lugansk dera). grandmothers athu kumbukirani kuti kale ntchito sukulu phunziro gluing pepala ntchito zomatira ndi dzina zachilendo "mthethe". Ndipo mu zovuta zaka unawonongedwa ya zomatira wokonzedwera kwa kunyumba kapena yophika wowuma mbatata.

Ndipo tsopano ife simungathe kulingalira mmene n'zotheka yoperekera ndi PVA ulimbo.

PVA zomatira: zofunika

Ameneyu ndi kukhala njira kabwerebwere ali katundu chambiri. mphamvu zomatira anali 450 N / m. Chifukwa kusinthasintha ake ndi pachilichonse amanena mu wosanjikiza woonda amene akukhala wosaoneka pambuyo atayanika. Paper kakulidwe PVA, mosavuta wopindidwa, pambuyo atayanika izo ambike.

A kuphatikiza yaikulu ndi sanali poizoni ndipo sanali flammability, kulola kuti ntchito ana m'kalasi ndi kunyumba. Osati amphamvu fungo anamasulidwa pa ntchito zomatira, ndi zabwinobwino. Mitundu yonse ya zomatira, kuwonjezera pa PVA-K (malo), kupirira ndi kuzizira kanayi popanda imfa ya katundu. Ngati ndi kotheka, izo wasukuluka ndi madzi kapena solvents zina, mwachitsanzo, acetone. Atayanika nthawi zimadalira wosanjikiza makulidwe ndipo alibe upambana maola 24.

maziko ake madzi amalola kulowa zina zosiyanasiyana mu PVA zomatira, zikuchokera amene zimasiyanasiyana motero mu malangizo ankafuna. Choncho latsopano kabwerebwere zomatira cultivars yapangidwa.

mitundu ya PVA

Kudzera Kuwonjezera kukodzedwa ukulu wa PVA ulimbo.

Tikungotchula madera chachikulu cha ntchito:

• banja ntchito (ogwirizana pepala mbalambanda);
• ntchito kwa kukonza (Wallpapering, linoleum);
• unsembe wa matailosi ceramic;
• ntchito mu zomangamanga monga zina.

Kufotokozera za mitundu ya ulimbo

Malo PVA zomatira, zomwe zikuchokera liribe zina poizoni ntchito pepala kogwirizana, zilandiridwenso ana. Chifukwa sitili mankhwala ena kuposa madzi, palibe vuto lililonse kwa ana, zikhoza kugwiritsidwa ntchito m'nyumba popanda zotulutsira.

Kalasi ambiri PVA - konsekonse. Iwo ali kuchuluka waukulu ntchito. Iwo akhoza glued China, galasi ndi pepala. Iwo anawonjezera kuti phunziroli ndi, putty mu kukonza malo, kuti kumapangitsanso katundu kumangako.

Banja PVA ntchito wallpapering, pepala lolemera. Iwo amakhala ndi mkulu chisanu kukana.

PVA zomatira ali kugwirizana wapamwamba viscous chifukwa plasticizers Choncho ntchito matailosi chikukonzekera, pulasitiki, zitsulo. ntchito yake yaikulu - zomangamanga.

PVA zomatira joiner bwino chinyezi kukana ndi ntchito polumikiza zinthu zamatabwa.

mtundu wina wotchuka guluu - PVA "kamphindi". Iwo amakhala ndi katundu wake wa pamalo yomweyo kogwirizana popanda mphamvu chitetezo kukanikiza. Thiabendazole angagwiritsidwe ntchito kukonza laminate, parquet ndi pamalo ena.

Makamaka ena mitundu ya PVA

Kumanga PVA ntchito osati monga kudzikonda zomatira, koma monga enaake kuti zosiyanasiyana zomangira. Dzina lolondola wa zomatira yomanga - kupezeka kwa polyvinyl nthochi homopolymer. Chifukwa osalimba a zikuchokera kwa zomatira yomanga umagwiritsidwa ndi trowel a. A pamalo kogwirizana ayenera bwinobwino kutsukidwa ku fumbi ndi degrease.

PVA zomatira, zikuchokera zomwe zikuphatikizapo plasticizer sayenera utakhazikika pansipa madigiri ziro, mwinamwake iwo adzataya katundu wake. Pa nthawi yomweyo, zomatira lilibe zina, chingathe kupirira chisanu makumi madigiri popanda kutaya katundu zomatira pambuyo thawing. Ngati adzauma filimu aumbike, ziyenera kuchotsedwa, ndi unyinji osokonezeka bwinobwino pa zomatira misa pamwamba. Popewa zomatira wauma, iwo amasungidwa muli mwamphamvu chatsekedwa.

PVA zomatira: zikuchokera

Taonani zigawo zikuluzikulu zomwe akuwonjezeka zomatira kusintha zomatira ake katundu. zinthuzi yaiwisi akuwonjezeka mu siteji yopanga ndipo m'magulu awa:

• kumatira;
• solvents;
• plasticizers;
• fillers;
• hardeners;
• stabilizers.

Chiŵerengero cha zigawo pamwamba ndipo amatipatsa katundu zofunika kwa mitundu yosiyanasiyana ya ulimbo.

Kumatira, monga wowuma ndi utomoni zikuchokera amatipatsa mphamvu pa kugwirizana.

Monga zosungunulira ntchito, acetone, benzene, ndi ena. Leveraging madzi kukana ndi kutentha kukana, iwo kuchepetsa mphamvu ya zomatira wosanjikiza. Choncho, nkhani zosungunulira mu PVA ndi kochepa.

Otchedwa plasticizers kupereka kusinthasintha mfundo zomatira. Choncho, pepala glued PVA, mosavuta wopindidwa popanda kuswa kugwirizana. Plasticizer monga glycerin, camphor mafuta.

Kusintha mphamvu ya misa zomatira Chinawonjezeka excipients: kaolin wa, talc, choko.

Kuchepetsa nthawi solidification ndi oipa, ntchito zina zing'onozing'ono galasi, zadothi kapena zitsulo.

Kuonjezera alumali moyo wa zomatira zikuchokera ndi kutumikiridwa mu stabilizers ake monga zoletsa styrene, mankhwala osiyanasiyana nitro.

PVA zomatira, mtengo wa potsata kopita ndi kukhalapo kwa zigawo zina, komabe anazindikira ngati yotsika mtengo ndipo angakwanitse. Yomanga zomatira ndi ku 26 rubles pa kilogalamu. Ndi abwino kwambiri kwa wallpapering. Universal PVA zomatira zizindikiro, "Rainbow", "Bolars" zodula - kuchokera rubles 65 pa kilogalamu.

njira choyambirira cha ntchito PVA

Kuwonjezera njira mwachizolowezi ntchito PVA zomatira mapepala kulumikiza kapena pa kukonza, amisiri kupeza kwambiri choyambirira ntchito.

Mwachitsanzo, kaphatikizidwe gouache ndi PVA, angagwiritsire nsalu kapena pamalo ena. Likukhalira ndi njira yodabwitsa mtengo mafuta kapena akiliriki utoto. Chifukwa zomatira gouache lagona bwino chuma anali yaitali. Ngati chifukwa si izo, ndiye chirichonse mosavuta anatsuka kutali, ndipo inu mukhoza kuyamba kachiwiri.

Akazi ntchito zomatira kwa zozipakapaka. Thiabendazole angagwiritsidwe ntchito zikhadabo monga m'munsi pansi msomali osalala ndi tinkangoona. Chifukwa chakuti sanali kawopsedwe, kulibe vuto lililonse kuti msomali ndipo potero mosavuta kuchotsedwa popanda kugwiritsa ntchito mankhwala.

Ngati inu ntchito zomatira kwa cuticle padziko msomali, mukhoza saopa kuti utoto afika pa khungu. Zomatira Mzere ndi zatsalira lacquer yomweyo anachotsa pambuyo kuyanika.

zinthu yosungirako

Pakuti yosungirako PVA zomatira zikuchokera omwe amathandizana solvents oyaka ntchito chatsekedwa chidebe chimene lili pa kuchokera madigiri asanu ndi khumi.