PVC yanga iri pasi pekurwiswa kwakanyanya uye kwehutsinye kwemakore akati wandei, kunyanya nekuda kwekubatana kwayo neklorini chemistry.Zvakapokana nevamwe kuti nekuda kwemubatanidzwa uyu hazvigoneke, kunyangwe yakawanda yenharo iyi yakafambiswa nemanzwiro kwete kubva pakuongorora kwesainzi.Asi kuvepo kweklorini kunopa huwandu hweakasiyana ehunyanzvi maficha muPVC ayo anoisa parutivi kubva kune mamwe akawanda mapolymer.Zvinoverengeka zvezvinhu izvi zvinonyatsozivikanwa uye zvakanyorwa, uye pamwe kusarudzika uku kunoita kuti ive inonakidza polymer kudzidza maererano nekugona kwayo kusimba.Iyo yakasimba mukushandiswa uye yakaoma kuputsa.Kushingirira uku kwaita kuti ive chinangwa chevamwe varatidziri, asi ichi chinogona kunge chiri chimwe chesimba rayo guru kubva pakuona kwekusimudzira.Chirevo chinotevera chinoongorora — pahwaro hwesainzi — zvinorevei kusimba kuindasitiri yePVC uye matanho anodiwa angazodiwa kuendesa polima inogadzikana.Iyo yekuongorora modhi yakaunzwa yakavakirwa paThe Natural Step (TNS) chimiro.Iyo TNS dhizaini ndeye yakasimba uye sainzi-yakavakirwa seti yezvishandiso zvinotsanangura kugadzikana mumashoko asina kujeka uye anoshanda uye inobatsira masangano kuita nekuita kwekusimudzira kwakasimba.Kunyanya, chidzidzo ichi chinosanganisira nhoroondo yechiitiko chekusimudzira budiriro inotungamira kune iyi ongororo inosanganisira akati wandei anotungamira UK vatengesi.
Nguva yekutumira: Sep-02-2022