Kusanthula kwathunthu kugwiritsidwa ntchito kwa zida za polyester m'munda wa matumba: kuchokera ku mawonekedwe oyambira
2025-04-14
Polyethylene Terephthalate (pet) ndi zinthu za polictostic zinthu zomwe zimagwiritsidwa ntchito m'matumba chifukwa champhamvu zake, kuvala kukana, zopepuka, ma khwinya, ndi hydrophobicity. Amagwiritsidwa ntchito kwambiri Zolemba, ma CD, zokha, ndi magawo ena. Makhalidwe a Contraster a polyester amaphatikiza mphamvu yayikulu, kachulukidwe kakang'ono, kutsutsana ndi makina otsutsa, ndi kukana UV. Amagwiritsidwanso ntchito m'matumba a tsiku ndi tsiku, Matumba oyenda, ndi matumba ochezeka a Eco. Komabe, ili ndi zovuta monga mtengo wotsika, wololera wosakwanira, ndipo sakhala wopanda tanthauzo. Zomwe zili mtsogolo zimaphatikizaponso luso lokhazikika.
Polyester. Dzina la mankhwala ndi Polyethylene Terephthate.
Mbiri Yakale: Polyester adapangidwa ndi akatswiri a Britain mu 1941 ndipo adakhala fibeza lopangidwa kwambiri padziko lapansi chifukwa cha mafakitale ambiri mu 1970s.
Zojambula ndi zopangira: petroleum-dydd phThalili acid ndi ethylene glycol imagwiritsidwa ntchito ngati zida zophika kuti apange ma polymers atadutsa polymerization, kenako kabelani imapangidwa ndi kusungunuka.