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He maha ngā kaihanga PS e hanga ana i ngā pepa polystyrene me te matotoru o te 40 ngā miro. Ina tapahia ngā pepa 50 i te wā kotahi, ka puta he āhua hiraka ki te mata o te hua (e whakaaturia ana i te pikitia), kāore e tutuki i ngā whakaritenga o te hua. Nā te mea he pakari te hua o te PS, ka taea te tāpiri i ētahi tāpiri hei whakapai ake i te pakari o te hua.
I te wā e whiriwhiri ana i ngā tāpiringa, me aro nui ki te taumaha ngota o ngā tāpiringa, te hototahi o te kaikawe ki te PS, me te pānga marara. Nō reira, he mahaNgā kaihanga pepa PSka aro nui ki ngā tāpiringa silicone.
Haunga te whakahinuhinu, ka taea hoki e ngā tāpiringa silicone te whakapai ake i te hototahitanga o te hononga i waenga i ngā kohuke kore-pūmua me ngā mea rauropi, ā, ka whai wāhi nui ki te mākū. Nō reira, ka taea e ngā tāpiringa silicone mō ngā kaikawe PE te whakaoti i te raruraru.
He iti noa te ranunga o te PS me te PE. Kāore he raruraru ki te tāpiri i te neke atu i te 5% o te kawe PE ki te rauemi PS. Nō reira, e taunakihia ana kia tāpirihia e ngā kaihoko te 1% ki te 3% pea, ā, kei roto i ngā tāpiringa silicone ngā wāhanga kore-waro. Ko te silicon te mea e kōrerohia ana (e pā ana ki te silicon, te silicate rānei i konei, arā, te silicon i roto i ngā tāpiringa silicone me te muka karāhe, te silicate rānei i roto i ngā whakakī kore-waro, ā, ko ngā whakakī i roto i ngā polymer he silicates katoa), kua takaihia ki roto i te rauemi polymer (polysiloxane) i roto i te hanganga karihi, ā, he kaha ake tōna kaha i waenga i ngā polymer me ngā matū kore-waro. I te mākete, he maha ngā ahumahi kirihou e whakamahi ana i ngā tāpiringa silicone polymer hei whakakapi i ngā tāpiringa hinu ngota iti. He pumau te mahi a te hua, kāore he ua, he ātete pāmahana teitei, ā, i te wa ano ka huri tōna ātete kakahu. Ka taea hoki te whakarite i te pakeketanga.
Ka taea te whakapai ake i te mata o te pepa PS mā te whakamahi i ngā tāpiringa silicone, ka pai ake hoki te kanapa me te pakari, ka pai ake te pakari o te mata o te hua, ā, he maeneene hoki i te wā e tapahia ana, ā, ka ea te raruraru o te memeha o te pepa PS.
Ripanga o Ihirangi
E tata ana ki te 20 tau ia i roto i te umanga taputapu whakaputa hiko atamai, ā, kua mau ia i ngā tūranga matua i Jwell Machinery, tae atu ki te Kaiwhakahaere Matua me te Tiamana Hurihuri. Mai i te tau 2024, kua whakahaerehia e ia ngā apiti maha, e akiaki ana i te whakawhānui pakihi me ngā whakapainga ahumahi, me te ārahi i te auahatanga i roto i te hanga atamai me te tipu o te ao.
