Kuonjezera ma polima kungathandize kuti matope ndi konkire zisalowerere, zikhale zolimba, zopinga ming'alu komanso kukana kugwedezeka. Kulowa ndi zinthu zina zimathandiza kwambiri. Poyerekeza ndi kukweza mphamvu yopindika komanso mphamvu yolumikizana ya matope ndikuchepetsa kufooka kwake, mphamvu ya ufa wa latex wosungunukanso pakukweza kusunga madzi a matope ndikuwonjezera mgwirizano wake ndi yochepa.
Ufa wa polima wotha kusungunuka nthawi zambiri umakonzedwa poumitsa ndi spray pogwiritsa ntchito ma emulsion ena omwe alipo. Njira yake ndi kupeza polymer emulsion kudzera mu emulsion polymerization, kenako kuupeza kudzera mu spray drying. Pofuna kupewa kusonkhana kwa ufa wa latex ndikuwongolera magwiridwe antchito musanaumire spray, zowonjezera zina nthawi zambiri zimawonjezeredwa, monga mabakiteriya, zowonjezera zowumitsa ndi spray, ma plasticizer, ma defoamers, ndi zina zotero, panthawi yowumitsa ndi spray, kapena atangowumitsa. Chotulutsa chimawonjezedwa kuti chiteteze kusonkhana kwa ufa panthawi yosungira.
Pamene kuchuluka kwa ufa wa latex wosungunuka m'madzi kukwera, dongosolo lonselo likukula kukhala pulasitiki. Pankhani ya kuchuluka kwa ufa wa latex, gawo la polima mu matope otsukidwa pang'onopang'ono limaposa chinthu chosungunuka m'madzi, matopewo amasinthasintha bwino ndipo amakhala thupi lolimba, ndipo hydration ya simenti imakhala "yodzaza". Filimu yopangidwa ndi ufa wa latex wosungunuka m'madzi womwe umagawidwa pa interface imagwira ntchito ina yofunika kwambiri, ndiko kuti, kuwonjezera kumamatira ku zinthu zomwe zakhudzidwa, zomwe ndizoyenera pamalo ena ovuta kumamatira, monga kuyamwa madzi pang'ono kwambiri kapena malo osayamwa (monga konkire yosalala ndi malo a simenti, mbale zachitsulo, njerwa zofanana, malo a njerwa zosungunuka, ndi zina zotero) ndi malo azinthu zachilengedwe (monga matabwa a EPS, mapulasitiki, ndi zina zotero) ndizofunikira kwambiri. Chifukwa kugwirizana kwa zomatira zosasungunuka kuzinthu kumachitika kudzera mu mfundo yoyika makina, ndiko kuti, slurry ya hydraulic imalowa m'mipata ya zinthu zina, pang'onopang'ono imalimba, ndipo pamapeto pake imalumikiza matopewo ngati kiyi yoyikidwa mu loko. Pamwamba pa chinthucho, pa malo ovuta kulumikiza pamwamba, sungalowe bwino mkati mwa chinthucho kuti apange makina abwino olumikizira, kotero kuti matope okhala ndi zomatira zosapangidwa ndi zinthu zachilengedwe okha salumikizidwa bwino nawo, ndipo njira yolumikizira ya polima ndi yosiyana. , Polima imalumikizidwa pamwamba pa zinthu zina ndi mphamvu yapakati pa mamolekyulu, ndipo sizidalira poresity ya pamwamba (zachidziwikire, malo ozungulira ndi malo olumikizirana owonjezereka zidzakulitsa kulumikiza).
Nthawi yotumizira: Marichi-07-2023