Bakelite varnishes: nokurondedzerwa, mamiriro, maitiro uye kushandisa wongororo

Parizvino, Bakelite varnishes dzakakurumbira zvakashandiswa pakuvaka. Vari zvinoberekwa kwemvura ine phenol uye formaldehyde. Uye nokuti ichi zvakafanira kuti rinokosha nebwe anogadzirisa doro anotsanangura. To huru zvinoriumba akabatanidzwa ari maitiro, amoniya inowedzerwa. Nyaya iyi inopa rakapedzwa nziyo dzimwe kunhuwa.

Key Features

Bakelite varnishes muchetura, sezvo iri kugadzirwa kwacho vapor vari phenol uye formaldehyde. Pane mwero pamberi fuma iyi mukati kugadzirwa horo. Concentration 0.3 MG / m haisi ngozi vanhu. Mwero wakakwirira kukonzera muchetura, uye mune zvimwe zviitiko - uye rufu.

Bakelite lacquer sezvamunoita iyo unotora munhu zvinobata moto nenhumbi uye ane nokupenya zvokusvika 15 ° C. Complete kuvesa kunoitika panguva tembiricha pamusoro yapfuura nhamba. Bakelite varnishes nomoto vari mukirasi A. Basic ruzivo pamusoro ehupfumi ari pfuma vanorondedzerwa magwaro normative, kureva GOST 12.1.044. Kana moto zvinoitika kugadzirwa horo, mvura inoshandiswa localization kwayo, jecha, uyewo kwemakemikari uye zvokuimba furo chinokosha.

Bakelite varnish: kushandiswa

Izvi zvinhu zvinoshandiswa mumaindasitiri siyana. Chinangwa chikuru - ndiwo kudzivirirwa hukawanika uye hurongwa kubva unyoro kana zvimwe kungatikanganisa zvinhu. Vanewo kushandiswa kupenda gasi matangi. Bakelite varnishes vari kupfuura marudzi zvigadzirwa zvayo functionality, sezvo vari inoshandiswa impregnating uye gluing pamusoro dzakasiyana mashoko.

Inonyanyoshandiswa kubatwa nziyo dzakadaro pachena plywood. Bakelite varnish hwokugadzira unhu sezvinorondedzerwa munyaya, rinoshandiswa kwete chete rokuvaka asiwo mune mamwe maindasitiri. Pakati pavo pane zvinotevera:

• Shipbuilding - kweShanduro shop ngarava uye yacht;
• Automotive indasitiri - kugadzirwa repasi pakavha, uyewo munhu zvinoriumba;
• pakuvaka - flooring, kunze kushongedzwa zvivako, matenga edzimba, makamuri chanaka fenicha kugadzira;
• nokuti zvaAtemisi nepfuti uye zvemitambo zvivako;
• nokuti zvaAtemisi zvigadzirwa vana, uye zvakawanda.

Muitiro kuwana varnish

Kubudisa sezvamunoita yakadaro, zvinotevera zvinhu zvinofanira kushandiswa: phenol, ethyl doro, formalin uye amoniya. Ndezvipi zvainyanya kuitwa bakelite lacquer tinoziva? Ivo vanovimba hunhu constituent zvikamu.

Zvinoitwa constituent zvinhu

Saka, nefuma wokutanga - a phenol. It is makemikari remubatanidzwa iyo urwa vaaisangana nemvura. Its nechando tembiricha iri 40 ° C. Formalin - iri ngozi chepfu fuma, iyo vaitirei muchetura. Zviri pachena mvura ane pasi azvipire reactivity. Amoniya harishandiswi yakachena chimiro asi chinoitwa munhu simba aqueous mhinduro.

Ethyl doro rinoshandiswa kuti kupomba kabhoni chine zvinhu. Tuso imvura hwakajeka. Inogona kupendwa namavara siyana. Uyewo ari lacquer kunosanganisira mafuta miriwo uye cellulose. Asati achiwedzera wakapfuura kwazvo kurapwa.

The Mhando chikuru

Nhasi kune 9 marudzi chikuru bakelite lacquers. Mumwe nomumwe wavo rinoshandiswa imwe indasitiri. Uyezve, vane pauwandu hweavo siyana pamusoro constituent zvinhu, i.e. phenol, formaldehyde, panyaya iyi uye amoniya. With kuchinja chitsama rimwe zviratidzi kuti achinje ehupfumi ari varnish yayo mabasa. Somuenzaniso, tinogona enzanisa pezvitsiga varnishes dzakadaro:

• SBS-1 - nokuti kubudiswa mupurasitiki plywood, izvo zvinoshandiswa panze uye mukati kushongedzwa imba.
• LBS-4 - nokuti mapurasitiki siyana ane zvicherwa fillers.
• LBS-1 uye LBS-2 - vaiona bakelite varnishes chemhando yepamusoro uye anoshandiswa nokuda unhani kuti mapurasitiki uye nyaya steklotekstilnyh.

The varnish rinoshandisirwa pemvura zvokuvakisa kana zvinoumba ane mumakwenzi kana chinotenderera. Kwokupedzisira mugumisiro achiumbwa pasi pemvura firimu chairo rine Organic kana inorganic okunze. Inochengetedza pemvura kubva unyoro uye nevamwe kungatikanganisa zvinhu.

Kushandisa rokugadziridza

mhando iyi lacquer rinoshandiswa kuti zvose zvemukati uye kwokunze kushandiswa. Achibatsirwa dhayi chinokosha zvinobvira kuita zvinodiwa Ruvara chigadzirwa. The ehupfumi of varnish kuramba kuchinja. Zvisinei, kushandiswa kwayo mumba kunzwisisa. Asati kushandisa pamusoro zvinofanira kucheneswa yebongozozo nemarara nokuomesa nayo. Mushure bemhapemha, kuti varnish pamusoro anofanira kupisa zvakaipa. Tembiricha inofanira kusvika 160 ° C. Kuti uite izvi vachafanira kuita.

Natural nokuomesa rinoitwa pamusoro penyika 4 maawa. Hunodzivirira zvakawanda kwazvo rinoshandisirwa pamusoro rechipiri rukoko kane yakananga filler. All zvinotevera zviri unfilled. Pakupedzisira, firimu ukobvu rinosvika 0.5 mm.

Kuvandudza simba zvemaziso nechepasi rinoshandiswa donje jira kuti akaiswa mushonga wokuuraya bakelite varnish. It anoiswa pa 3 rukoko. Michina iyi ndiyo sezvinotevera: jira wokutanga kunofanira ndakashambidza nokuoma kubvisa starch.

Zvinonzi racherwa nembariro duku ndokunyika mugaba wependi. Zvinofanira soka kwemaminitsi 5. Uyezve, zvinyama abviswa mudziyo uye kushandiswa rabha Magorovhosi Chipfeko agure. The akaiswa mushonga wokuuraya zvidimbu kutsungirira panze mhepo uye waoma, saka kuti kuvapo solvent iri kushoma. jira Primed rinoshandisirwa uye waoma pamusoro pemvura uye pamusoro ane bhurasho akashandisa lacquer. Kana zvinovawo zvakakodzera kuwedzera simba zvemaziso pakati mutopota, jira kwabva kuva kanyika pakati upamhi duku. The nzira ndokuenda achitevedza chete mitsetse.

Pakupedzisira firimu achiumbwa pasi pose kuvakwa, izvo achadzivirira mashoko pakuona unyoro uye zvimwewo. Zvinogona kukanganisa pasi ezvinhu akawanda:

• kana vanopfuura 20 ° C pamusoro tembiricha zvichashaya kwenguva refu;
• kana pamusoro zvinenge zvakazara lacquer, wana zvakananga chezuva.

Pasinei nokuti yokugadzirisa bakelite varnish kunokonzera vamwe dambudziko, kutonga nezvinooneka wongororo yevatengi, mashoko aya anoramba yakakurumbira zvikuru.

Pricing urongwa

Mari mamiriro iri zvakasiyana-siyana, zvichienderana zvizivikanwe, uyewo kushandisa nzvimbo. Mutengo Formulations yakadaro iri zvinobva 300 kusvika 1000 masendi muzana fő.

mhedziso

Sezvo vachiti tenzi, bakelite varnish chinhu chakakurumbira zvinhu rinoshandiswa kwete indasitiri, asi muupenyu hwezuva nezuva. Rinoshandiswa kuti kugadzirwa nemakemikari siyana uye zvinhu. Vanhu vanoshandisa navo, vanoti kuti ayo chikumbiro zvemichina iri chaizvo nyore. Ivo chete simbisa kuti zvimwe mitemo anofanira kutevedzerwa kana kushanda nomuti. Wokutanga nzvimbo yakasvibiswa inofanira zvakanaka ventilated. Hakugoni kuva refu, sezvo condensing vapor pamusoro phenol kutungamirira kuti chepfu.

Saka, takaona kuti uyu ndiye chikamu, uye akadzidzawo ndedzipi hunhu bakelite lacquer.