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Njengenxalenye ebalulekileyo yefomula yeemveliso eziguquguqukayo PVC , i-plasticizer inempembelelo enkulu ekusebenzeni kweemveliso eziguquguqukayo PVC . Ukuba iimveliso ezithambileyo ze- PVC ( PVC iikhethini zomnyango wokugcina ubushushu) kufuneka zisetyenziswe kumaqondo obushushu aphantsi, ii-plasticizer ezinokumelana kakuhle nobushushu kufuneka zikhethwe.
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I-DOP kunye ne-DOTP ziiplastiki ezisetyenziswa ngokubanzi ezisetyenziselwa ukwenza PVC ithambe, iguquguquke kwaye kube lula ukuyicubungula. Umahluko ophambili kukwakheka kwazo kweemolekyuli: I-DOP, edla ngokubhekisa kwi-DEHP, yi-orthophthalate, ngelixa i-DOTP, ekwabizwa ngokuba yi-DEHT, yi-terephthalate kwaye idla ngokukhethwa njengenye indlela engeyiyo i-orthophthalate.