Phthalic anhydride yakakosha kemikari musanganiswa inoshandiswa mukugadzirwa kwezvinhu zvakasiyana-siyana, senge plasticizers, dhayi, uye resin. Mumakore achangopfuura, kwave nekuwedzera kufarira kunzwisisa ruzivo rwazvino nezve phthalic anhydride, kusanganisira kugadzirwa kwayo, mashandisirwo, uye poten ...
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