Amathiphu ekuseni emakethe ye-anhydride ye-phthalic!
Imakethe ye-phthalate yezinto zokusetshenziswa iqhubeka kahle, imakethe ye-naphthalene yezimboni isebenza kahle futhi inamandla, ukwesekwa kwezindleko kusekhona, amanye amafektri avaliwe ukuze kulungiswe, ukunikezwa kwendawo kuncishisiwe kancane, umthwalo wokuqala ophansi ulinganiselwe, isimo sengqondo semakethe siqaphile, futhi ukuthengwa kuyadingeka nje, futhi kulindeleke ukuthi imakethe ye-phthalic anhydride iqhubeke kahle maduze nje.
Isikhathi sokuthunyelwe: Agasti-22-2024