chikwangwani_cha tsamba

Nkhani

Tsegulani mwayi wopanda malire. Asidi wa acrylic akutsogolera pakupanga zinthu zatsopano.

Acrylic acid, yomwe ndi mankhwala odabwitsa, yakhala nyenyezi yowala m'makampani amakono chifukwa cha ntchito zake zabwino komanso kugwiritsa ntchito kwake kwakukulu.

 

Ndi madzi opanda mtundu koma ali ndi mphamvu zambiri. Ali ndi fungo lopweteka, lomwe lili ngati mpweya wa luso lomwe limachokera. Likhoza kusungunuka m'madzi, ethanol ndi diethyl ether, zomwe zimasonyeza kuti limagwirizana bwino kwambiri.

 

Kudzera mu homopolymerization kapena copolymerization, ma polima amapangidwa ndikugwiritsidwa ntchito kwambiri m'magawo monga zokutira, zomatira, ma resins olimba, zinthu zopangira molding ndi zina zotero. Kaya ndi zokutira zomwe zimawonjezera mitundu yokongola ku nyumba kapena zomatira zomwe zimamangirira zinthu pamodzi, acrylic acid imatha kuwonetsa magwiridwe antchito ake abwino kwambiri.

 

Asidi ya acrylic ndi ma ester ake, monga zinthu zopangira zamatsenga, amawala kwambiri mumakampani opanga mankhwala a polima. Padziko lonse lapansi, kuchuluka kwa matani opitilira miliyoni imodzi, ndipo kuchuluka kwa ma polima ndi ma copolymer opangidwa kuchokera ku ma polima ndi pafupifupi matani mamiliyoni asanu, zomwe zimapangitsa kuti pakhale chilimbikitso champhamvu m'mafakitale ambiri.

 

Mu zinthu zoyezera kukula kwa nsalu, imagwira ntchito bwino kuposa mowa wa polyvinyl. Ndi yosavuta kuisintha kukula ndipo imatha kusunga starch, zomwe zimapangitsa kuti ikhale yankho labwino kwambiri ku makampani opanga nsalu. Mu ntchito yopangira zomatira, kumveka kwake kolimba m'manja kumapangitsa kuti kusonkhana kwa electrostatic ndi kuyika tsitsi kukhale kwabwino kwambiri. Monga chowonjezera madzi, chimathandiza kuwonjezera kupanga m'minda yamafuta ndi zotsatira zabwino kwambiri. Mu zinthu zomalizitsa mapepala okhala ndi zokutira, imatha kusunga mtundu popanda chikasu ndipo imakhala ndi ntchito yabwino kwambiri yosindikiza. Ndipo zinthu za polyacrylate zasintha kukhala zinthu zosiyanasiyana zothandizira polima monga ma flocculants, zinthu zoyezera madzi, ndi zinthu zofalitsira... Zimapezeka kulikonse.

 

Kusankha asidi wa acrylic kumatanthauza kusankha luso ndi kuchita bwino, ndipo tiyeni tipange tsogolo labwino limodzi.


Nthawi yotumizira: Novembala-26-2024