He rauemi kirihou noa te PP (polypropylene) he pai te ātete ki te wera, te ātete ki ngā matū, ā, he iti te mātotoru. Ko te MFPP (polypropylene whakarerekētia) he rauemi polypropylene whakarerekētia he kaha ake, he pakari hoki. Mō ēnei rauemi e rua, ka whakaratohia e tēnei tuhinga he whakataki pūtaiao rongonui e pā ana ki ngā pūtake rauemi mata, ngā tukanga whakarite, ngā āhuatanga, me ngā mara tono.
1. Pūtake rauemi mata oPP me te MFPPKo te rauemi mata o te PP ka whakaritea mā te whakakotahi i te propylene ki roto i te hinu. Ko te propylene he hua matū hinu ka whiwhihia mā te tukanga pakaru i roto i ngā whare hanga hinu. Ka whakapai ake te polypropylene MFPP kua whakarerekētia i tana mahi mā te tāpiri i ngā whakarerekētanga ki te PP noa. Ka taea e ēnei whakarerekētanga te waiho hei tāpiri, hei whakakī, hei whakarerekētanga rānei e whakarerekē ana i te hanganga me te hanganga o te polymer kia pai ake ai ngā āhuatanga ā-tinana me te matū.
2. Te tukanga whakarite o te PP me te MFPP Ko te nuinga o te whakarite o te PP ka tutuki mā te tauhohenga polymerization. Ka polymerized te monomer propylene ki roto i te mekameka polymer o tētahi roa mā te mahi a te catalyst. Ka taea tēnei tukanga te haere tonu, te haere wā rānei, i ngā pāmahana me ngā pēhanga teitei. Ko te whakarite o te MFPP me whakaranu te whakarerekētanga me te PP. Mā te whakaranu rewa, te whakaranu otinga rānei, ka horapa ōrite te whakarerekētanga ki roto i te matrix PP, ā, ka whakapai ake i ngā āhuatanga o te PP.
3. Ngā Āhuatanga o te PP me te MFPP He pai te ātete wera me te pumau matū o te PP. Hekirihou mārama me tētahi pakeketanga me te pakari. Heoi, he iti noa te kaha me te pakari o te PP noa, ā, ka whakaurua mai ngā rauemi kua whakarerekētia pērā i te MFPP. Ka tāpirihia e te MFPP ētahi whakarerekētanga ki te PP kia pai ake ai te kaha, te pakari me te ātete pānga o te MFPP. Ka taea hoki e ngā whakarerekētanga te whakarerekē i te kawe wera, ngā āhuatanga hiko me te ātete huarere o te MFPP.
4. Ngā mara tono o te PP me te MFPP He whānui te whakamahinga o te PP, ā, he mea noa ki roto i ngā ipu, ngā taonga whare, ngā taputapu hiko me ētahi atu hua o ia rā. Nā tōna ātete ki te wera me te ātete ki ngā matū, ka whakamahia hoki te PP ki roto i ngā paipa, ngā ipu, ngā takirere me ētahi atu taputapu i roto i te umanga matū. He maha te whakamahinga o te MFPP i roto i ngā tono e hiahia ana kia kaha ake, kia pakari ake, pērā i ngā wāhanga motuka, ngā anga hua hiko, ngā rauemi hanga, me ētahi atu.
Hei whakamutunga, ko te PP me te MFPP he mea noangā rauemi kirihou. He āhuatanga tō te PP, arā, te ātete ki te wera, te ātete ki te waikura matū, me te iti o te mātotoru, ā, kua whakarerekētia e te MFPP te PP i runga i tēnei kaupapa kia pai ake ai te kaha, te pakari, me te ātete ki te pānga. He mea nui te mahi a ēnei rauemi e rua i roto i ngā momo tono, e kawe mai ana i te whai wāhitanga me te whanaketanga ki ō tātou oranga me ngā momo ahumahi.
Wā tuku: Whiringa-ā-rangi-04-2023
