Kusiyana pakati pa Madzi opangidwa ndi Polyurethane ndi Mafuta opangidwa ndi Polyurethane
Madzi okhala ndi polyurethane ❖ kuyanika osalowa madzi ndi chinthu chokomera chilengedwe chokhala ndi ma polima zotanuka osalowa madzi komanso kumamatira bwino komanso kosatha. Imamatira bwino ku magawo opangidwa ndi simenti monga konkriti ndi miyala ndi zitsulo. Mankhwalawa ali ndi mankhwala okhazikika ndipo amatha kupirira kutentha kwa dzuwa kwa nthawi yaitali. Ili ndi mawonekedwe a elasticity yabwino komanso elongation yayikulu.
Zochita Zazogulitsa
1. Maonekedwe: Chogulitsacho chiyenera kukhala chopanda zotupa pambuyo pa kugwedezeka ndi kufanana.
2. Imakhala ndi mphamvu zowonongeka kwambiri, kutalika kwapamwamba, kusungunuka kwabwino, kugwira ntchito bwino pa kutentha kwakukulu ndi kutsika, ndi kusinthasintha kwabwino kwa kugwedeza, kusweka, ndi kusinthika kwa gawo lapansi.
3. Kumamatira kwake kuli bwino, ndipo palibe chithandizo choyambirira chomwe chimafunikira pazigawo zosiyanasiyana zomwe zimakwaniritsa zofunikira.
4. Chophimbacho chimauma ndikupanga filimu pambuyo pake sichikhala ndi madzi, sichiwononga dzimbiri, chimalimbana ndi nkhungu, komanso kutopa.
5. Ntchito yake ya chilengedwe ndi yabwino, chifukwa ilibe benzene kapena phula la malasha, ndipo palibe zosungunulira zina zomwe zimafunikira pakumanga.
6. Ndi chinthu chimodzi, chozizira chogwiritsidwa ntchito mosavuta komanso chosavuta kugwiritsa ntchito.
Kagwiritsidwe ntchito ka malonda
1. Zoyenera zipinda zapansi panthaka, malo oimikapo magalimoto apansi panthaka, njanji yapansi panthaka yodula ndi tunnel
2. Makhitchini, mabafa, ma slabs pansi, makonde, madenga osawonekera.
3. Kutsekereza madzi okhazikika komanso kutsekereza madzi kumakona, zolumikizira ndi zina zabwino, komanso kusindikiza zida zoletsa madzi.
4. Kuletsa madzi m’madziwe osambira, akasupe opangira, matanki amadzi, ndi ngalande zothirira.
5. Kutsekereza madzi kumalo oimika magalimoto ndi madenga apakati.
Chophimba chopanda madzi chopangidwa ndi mafuta cha polyurethane ndi chotchingira chopanda madzi chokhala ndi mamolekyulu ambiri chomwe chimawuma komanso kulimba pamwamba. Amapangidwa ndi isocyanates ndi ma polyols monga zida zazikulu, zokhala ndi othandizira osiyanasiyana monga kuphatikizira zowumitsa zobisika ndi mapulasitiki, ndipo amapangidwa ndi njira yapadera yochepetsera kutentha kwambiri komanso kutulutsa ma polymerization. Akagwiritsidwa ntchito, amagwiritsidwa ntchito ku gawo lapansi lopanda madzi, ndipo filimu yolimba, yosinthika komanso yopanda madzi ya polyurethane imapangidwa pamtunda wapansi ndi machitidwe a mankhwala pakati pa -NCO mapeto a gulu la polyurethane prepolymer ndi chinyezi mumlengalenga.
Zochita Zazogulitsa
1. Maonekedwe: Chogulitsacho ndi thupi lofanana ndi viscous popanda gel osakaniza ndi zotupa.
2. Chigawo chimodzi, chokonzekera kugwiritsa ntchito pamalopo, kumanga kozizira, kosavuta kugwiritsira ntchito, ndipo kufunikira kwa chinyezi cha gawo lapansi sikovuta.
3. Kumamatira mwamphamvu: Kumamatira bwino konkriti, matope, zoumba, pulasitala, matabwa, ndi zina zotero zomangira, kusinthika kwabwino kwa shrinkage, kusweka ndi kusinthika kwa gawo lapansi.
4. Mafilimu opanda seams: Kumamatira bwino, palibe chifukwa chogwiritsira ntchito primer pamagawo osiyanasiyana omwe amakwaniritsa zofunikira.
5. Kuthamanga kwakukulu kwa filimuyo, kuthamanga kwakukulu kwa elongation, kusungunuka kwabwino, kusinthasintha kwabwino kwa shrinkage ndi mapindikidwe a gawo lapansi.
6. Kukana kwa Chemical, kutsika kwa kutentha, kukana kukalamba, kukana nkhungu, ntchito yabwino yopanda madzi. Kagwiritsidwe ntchito ka malonda
Mafuta opangidwa ndi polyurethane madzi ❖ kuyanika madzi angagwiritsidwe ntchito poletsa madzi kumanga nyumba zatsopano ndi zakale, madenga, zipinda zapansi, mabafa, maiwe osambira, ntchito chitetezo boma, etc. Angagwiritsidwenso ntchito poletsa madzi kumanga mapaipi zitsulo.
Kusiyana pakati pa polyurethane yopangidwa ndi mafuta ndi polyurethane yamadzi:
Mafuta opangidwa ndi polyurethane ali ndi zinthu zolimba kwambiri kuposa polyurethane yamadzi, koma amapangidwa ndi isocyanate, polyether, ndi othandizira osiyanasiyana monga osakanikirana a latent machiritso ndi mapulasitiki, okonzedwa ndi njira zapadera pa kutentha kwakukulu, monga kuchotsa madzi ndi pulasitiki. polymerization reaction. Lili ndi mlingo waukulu wa kuipitsidwa, poyerekeza ndi madzi opangidwa ndi polyurethane, omwe ndi obiriwira komanso okonda zachilengedwe popanda kuipitsa. Ndizoyenera kugwiritsidwa ntchito m'nyumba, monga khitchini ndi mabafa.
Nthawi yotumiza: May-29-2024