Kubwezeretsa ufa (ma RDP) kumathandizanso kukhala ndi gawo lofunikira m'mafakitale osiyanasiyana, kuphatikiza ntchito zomanga, zomata, ndi zokutira. Ufa uwu umagwiritsidwa ntchito kwambiri pokonza zomwe zimapangitsa kuti zinthu zizitha, zomwe zimapangitsa chidwi, kusinthasintha, komanso kukhazikika. Kuzindikira njira zopangira mabulosi ndizofunikira kwa opanga kuti awonetsetse zinthu zapamwamba kwambiri.
Zida zogwiritsira ntchito :
Kupanga kwa ufa wobwezeretsa polima kumayamba ndi kusankha mosamala zomwe zimapangitsa katundu wazomaliza. Zida zoyambirira zimaphatikizapo ma anin a Polymer, zoteteza, mafayilo, ma pulasitiki, ndi zowonjezera zosiyanasiyana.
Polymer Ikuterera: Ethylene-vinyl acetate (Eva), VIYL Acetate-Ethylene (Vae), ndi ma policy a aclic amagwiritsidwa ntchito ngati matebulo akuluakulu. Ukadaulo uwu umapereka zomatira, kusinthasintha, ndi kukana madzi kwa RDPS.
Colloids Otetezedwa: Hydrophilic Comloids monga mowa wa polyvinyl (pva) kapena cellose yowonjezeredwa kuti ikhazikike kukhazikika pazinthu za polymer nthawi youma ndikusunga.
Mapulasitiki: Mafudwe a mafakiti amasintha kusinthasintha ndi kugwiritsidwa ntchito kwa ma RDP. Madzi ofala mavidiyo amaphatikizira glycol etter kapena polyethylene glycols.
Zowonjezera: Zowonjezera Zosiyanasiyana monga zodetsa, oundana, komanso othandizira olowera amatha kuphatikizidwa kuti apititse katundu, rheogy, kapena mphamvu yamakina.
Njira Zosintha:
Kupanga ufa wobwezeretsa polima kumaphatikizapo njira zingapo zosinthira, kuphatikizapo emulsion polymerization, utsi wa utsi, ndi njira zochizira chithandizo.
Emulsion Polymerization:
Njirayi imayamba ndi emulsion polymerization, komwe molymomers, madzi, ma emulsifiers, ndipo oyambitsa amasakanizidwa mu rotection mothandizidwa ndi kutentha kwa kutentha ndi kupanikizika. Othandizira polymer kupanga mawonekedwe a latx omwazika m'madzi. Kusankha kwa monomenter ndi zomwe zichitike zimafotokoza kapangidwe ka polymer ndi katundu.
Kukhazikika ndi Kuphunzitsa:
Pambuyo polymerization, mafoni amapezeka akukhazikika powonjezera ma colloids ndi okhazikika. Gawoli limalepheretsa kuphatikiza tinthu ndipo zimawonetsetsa kukhazikika kwa zomwe zapezeka posachedwa. Othandizira ophatikizika amatha kulowetsedwa kuwongolera kuwongolera kovomerezeka kwa tinthu tating'ono tating'ono tating'ono, ndikupanga ndalama yokhazikika.
Kuyanika:
Kubala kokhazikika kwa latx kumadyetsedwa mu sprior. Mu utsi wowuma, kubalalitsidwa kumasungunuka m'madzi ang'onoang'ono pogwiritsa ntchito zikwangwani zapamwamba. Mphepo yotentha imangodziwitsa kuti musungunuke m'madzi, kusiya tinthu tating'onoting'ono. Mitundu yowuma, kuphatikizapo mpweya kutentha, nthawi yokhala, komanso kuchuluka kwa mpweya, zimapangitsa tinthu tating'onoting'ono komanso ufa.
Chithandizo:
Kutsatira kuyanika, kuyanika polymer komwe kumachitika kumachitika njira zothandizira kuwongolera ndikusintha magwiridwe ake ndi kusungunuka. Njira izi zitha kuphatikiza kusintha kwapakati, granation, ndi kunyamula.
a. Kusintha Kwapakati: Othandizira Ogwira ntchito kapena othandizira olumikizirana angagwiritsidwe ntchito kuti asinthane ndi mawonekedwe a tinthu tating'onoting'ono tomwe timakhala ndi zinthu zina.
b. Kukula: Kupititsa patsogolo kugwiritsa ntchito kagwiritsidwe, kuperekera ufa, ufa wa polymer ungatenge gratsation kuti apange zigawo za tinthu tating'ono ndikuchepetsa mapangidwe fumbi.
c. Kulemba: RDP yomaliza imayikidwa mumitundu yopanda chinyezi kuti mupewe kuyamwa chinyezi ndikusungabe kukhazikika kwawo panthawi yosungira ndi mayendedwe.
Njira Zowongolera Zowongolera:
Kuwongolera kwapamwamba ndikofunikira muzopanga kuti muwonetsetse kuti musinthe komanso kudalirika mu katundu wa ma polimature polima. Magawo angapo ofunikira amayang'aniridwa ndikuwongoleredwa pamagawo osiyanasiyana:
Khalidwe labwino: Kuyendera bwino ndi kuyesa kwa zinthu zopangira, kuphatikizapo ma polity, ma colloids, ndi zowonjezera, zimachitika kuti zitsimikizike kuti ndi ntchito yake.
Kuwunikira njira: Njira zochepetsera monga kutentha kotentha, kukakamizidwa, motomerir kudyetsa mitengo, komanso kuyanika kumayang'aniridwa mosalekeza ndikusinthidwa kukhala mtundu ndi kusasinthika.
Mawonekedwe a tinthu: Tizilombo tating'onoting'ono tating'onoting'ono, morphology, komanso malo operewera kwa ma polymer amasanthula pogwiritsa ntchito njira zophatikizira, ma microscopy, ndi kuwunika kwadera.
Kuyeserera kwa magwiridwe antchito: Mauthenga a polimature polima poyeserera oyeserera kuti awone mphamvu zawo, mafilimu, madzi kukana, ndi zothandiza malinga ndi malamulo opanga mafakitale ndi zofunikira za makasitomala.
Kuyesa kwa Stien: Mayeso othamanga ndi maphunziro okhazikika amachitika kuti ayesetse kukhazikika kwa ma rdps pazinthu zosiyanasiyana zosungira, kuphatikizapo kutentha ndi chinyezi.
Kupanga ufa wobwezeretsa polima kumaphatikizapo njira zingapo, kuchokera ku emulsion polymerization kuti utsiwume ndi njira zochizira matenda. Mwa kuwongolera mosamala zida zopangira, kukonza magawo, ndi njira zoyenera zowongolera, opanga zitha kuonetsetsa kuti magwiridwe antchito osiyanasiyana amagwiritsira ntchito, zomata, komanso mafakitale. Kuzindikira zamkati mwa kupanga kopanga ndikofunikira kuti mutseke machitidwe azogulitsa ndikukumana ndi zosowa za makasitomala pamsika.
Post Nthawi: Mar-12-2024