Bakelite vanishi: specifications, kapangidwe, makhalidwe ndi ndemanga ntchito

Pakali pano, Bakelite vanishi ndi zipangizo otchuka ntchito pomanga. Iwo amatuluka ndi evaporation wa phenol ndi formaldehyde. Ndipo zimenezi m'pofunika kuti wapadera utomoni njira ndi mowa zochokera. Kwa Gawo mumangike mu zimene, amoniya anawonjezera. Mbali imeneyi amapereka yomalizidwa nyimbo fungo ena.

Features Ofunika

Bakelite vanishi ndi poizoni, monga kupanga ndondomeko nthuzi ndi phenol ndi formaldehyde. Pali malire pamaso pa mankhwala mwa holo yopanga. Ndende 0,3 mg / mamita si owopsa kwa anthu. amadwala kuyambitsa poyizoni, ndi zina - ndi imfa.

Bakelite lacquer zikuchokera amene limapangidwa chinthu flammable ndipo ali ndi mfundo kung'anima wa 15 ° C. Complete poyatsira limapezekanso pa kutentha pamwamba chithunzi wapitawu. Bakelite vanishi yamoto m'kalasi A. Basic zokhudza katundu wa thunthu amafotokozedwa zikalata normative, ndicho GOST 12.1.044. Ngati moto zimachitika mu holo kupanga madzi ntchito kutanthauzira ake, mchenga, komanso wapadera mankhwala ndi makina thovu.

Bakelite varnish: ntchito

zinthu zimenezi zimagwiritsidwa ntchito m'mafakitale zosiyanasiyana. Cholinga - ndi kutetezeredwa kali ndi mbali ku chinyezi kapena zinthu zina zomwe zikuwononga. Iwo amagwiritsa ntchito penti akasinja mpweya. Bakelite vanishi ali opambana mitundu ina ya mankhwala mu magwiridwe ake, popeza ntchito impregnating ndi gluing mbali zosiyana zambiri.

The kaŵirikaŵiri ankachitira ndi nyimbo ngati poyera plywood. Bakelite varnish makhalidwe luso monga tafotokozera m'nkhani, ntchito osati kumanga komanso mafakitale ena. Ena mwa iwo ndi izi:

• Shipbuilding - ulimi wa adzikometsa ngalawa ndi ma yatchi;
• magalimoto makampani - kupanga chivundikiro m'munsi, komanso munthu zigawo zikuluzikulu;
• yomanga - yazokonza pansi, kunja chokongoletsera nyumba, madenga, zipinda yokongola ndi kupanga mipando;
• kupanga zida zankhondo ndi maofesi zamasewera;
• kupanga mankhwala ana, ndi zambiri.

The ndondomeko yodalirika varnish

Kuti apange ngati zikuchokera, zipangizo zotsatirazi ntchito: phenol, ethyl mowa, formalin ndi ammonia. ndi makhalidwe a bakelite lacquer tikudziwa chiyani? Akudalira pa makhalidwe a mbali constituent.

Zochita za zipangizo constituent

Choncho, choyamba mankhwala - ndi phenol. Ndi pawiri organic omwe amasungunula mu kukhudzana ndi madzi. yozizira koopsa ake kutentha ndi 40 ° C. Formalin - ichi ndi oopsa poizoni mankhwala, amene ankaona poyizoni. Ndi madzi bwino ndi mlingo wochepa wa reactivity. Amoniya si ntchito mu mawonekedwe woyera koma unapangidwa ofooka amadzimadzi njira.

Ethyl mowa ntchito ikukoka mpweya munali zinthu. Mapeto ndi madzi bwino. Iwo akhoza utoto ku mitundu yosiyanasiyana. Komanso mu lacquer kumaphatikizapo masamba mafuta ndi mapadi. Pamaso kuwonjezera chitadutsa chithandizo mokwanira.

The mitundu ikuluikulu ya

Today pali 9 mitundu ikuluikulu ya lacquers bakelite. Aliyense wa iwo ntchito pakampani ina. Komanso, iwo ndi chiwerengero osiyana zinthu constituent, i.e. phenol, formaldehyde, Mowa ndi ammonia. Ndi kusintha kuchuluka kwa mmodzi wa zizindikiro kuti kusintha katundu wa varnish ndi ntchito zake. Mwachitsanzo, tingathe kuyerekezera zopangidwa vanishi amenewa:

• SBS-1 - kuti processing a pulasitiki ndi plywood, amene ntchito mu kunja ndi mkati chokongoletsera nyumba.
• Lbs-4 - chifukwa mapulasitiki zosiyanasiyana munali fillers mchere.
• Lbs-1 ndi lbs-2 - ankaona vanishi bakelite wapamwamba ndi ntchito ❖ kuyanika wa mapulasitiki ndi nkhani steklotekstilnyh.

The varnish ntchito pamwamba pa kumanga zipangizo kapena zigawo ndi burashi kapena wodzigudubuza. The chifukwa komaliza aumbike padziko filimu wapadera wopangidwa mwa zinthu organic kapena zochita kupanga. Kumatetezera padziko ku chinyezi komanso zinthu zina zomwe zikuwononga.

Ntchito yokonzanso

Mtundu uwu wa lacquer ndi Ntchito onse mkati ndi kunja. Mothandizidwa ndi utoto wapadera n'zotheka kukwaniritsa mtundu Napempha kwa mankhwala. The katundu wa varnish kukhala sichinasinthe. Komabe, ntchito za pakhomo ndi zovuta. Pamaso kutsatira pamwamba ayenera kutsukidwa wa zinyalala owonjezera ndi kupukuta izo. Pambuyo ❖ kuyanika, pamwamba varnish ayenera kutentha ankachitira. Kutentha afike 160 ° C. Pofuna kukwaniritsa izi mudzachita.

Natural kuyanika ikuchitika padziko 4 maola. Kwa chitetezo bwino ntchito pamwamba pa wosanjikiza yachiwiri imene ili filler yeniyeni. Zonse izi ndi unfilled. Pomaliza pake, filimu makulidwe ukufika 0.5 mm.

Kusintha mawotchi mphamvu padziko ntchito thonje nsalu imene impregnated ndi bakelite varnish. Izo aikidwa pa 3 wosanjikiza. Njira imeneyi ili: nsalu choyamba ayenera bwinobwino osambitsidwa ndi zouma kuchotsa wowuma.

Kadulidwa mu mipiringidzo kakang'ono ndipo choviikidwa mu chidebe cha utoto. Kuyenera zilowerere kwa mphindi 5. Komanso, minofu amachotsedwa chidebe ndi ntchito Golovesi amapotoza. Zidutswa impregnated kupirira mpweya panja ndi zouma, kuti kukhalapo kwa zosungunulira ndi chabe. Primed nsalu umagwiritsidwa ndi zouma padziko ndi pamwamba ndi burashi ntchito lacquer. Ngati zitavuta kuonjezera mawotchi mphamvu ya chitoliro, ndi nsalu ya kusema Mzere wa m'lifupi yaing'ono. Ndondomeko ndiye ikuthawa mizere chimodzimodzi.

Potsilizira pake filimu aumbike padziko yomanga, amene adzateteza zinthu mwangozi chinyezi komanso zinthu zina. Mwina kuonongeka m'mikhalidwe zingapo:

• ngati oposa 20 ° C pamwamba kutentha motani nthawi yaitali;
• ngati pamwamba TACHIMATA ndi lacquer, kupeza dzuwa.

Ngakhale kuti kukonza bakelite varnish amachititsa movutikira, kuweruza ndi ndemanga ogula, nkhaniyi akhalabe otchuka kwambiri.

mfundo mitengo

Kapangidwe mtengo wakufayo ndithu, malingana ndi mtundu, komanso kugwiritsa ntchito malo. Price of formulations amenewa ali mu osiyanasiyana kuchokera masenti 300 1000 pa lita.

Pomaliza

Pamene iwo amati mwini, bakelite varnish ndi nkhani yotchuka ntchito osati mafakitale komanso moyo wa tsiku ndi tsiku. Izo ntchito yopanga mankhwala osiyanasiyana ndi zipangizo. Anthu amene akugwiritsa ntchito, kuti ntchito luso lake ndi mwachilungamo wophweka. Iwo okha kutsindika kuti malamulo ena, ayenera kutsata pamene ntchito ndi utoto. The papezeka malo oyamba ayenera bwino mpweya wokwanira. Sizingakhale yaitali, monga condensing nthunzi ya phenol patsogolo kwa poizoni.

Kotero, ife tinapeza kuti ndi gawo, ndipo nawonso anaphunzira ndi makhalidwe a bakelite lacquer.