He tino pāngia te PVC e te wera. Ina tae te pāmahana ki te 90 ℃, ka tīmata he tauhohenga pirau wera iti. Ina piki te pāmahana ki te 120 ℃, ka kaha ake te tauhohenga pirau. Whai muri i te whakamahana i te 150 ℃ mō te 10 meneti, ka huri haere te kapia PVC mai i tōna tae mā taketake ki te kōwhai, whero, parauri, me te mangu. Me teitei ake te pāmahana tukatuka kia eke ai te PVC ki te āhua rere matotoru i tēnei pāmahana. Nō reira, kia whai hua ai te PVC, me tāpiri he maha ngā tāpiringa me ngā whakakī pēnei i ngā mea whakapūmau, ngā mea whakaū, ngā mea whakahinuhinu, me ētahi atu i te wā e tukatuka ana. Ko ngā āwhina tukatuka ACR tētahi o ngā āwhina tukatuka nui. Kei roto i te kāwai o ngā āwhina tukatuka kiriaku, ā, he copolymer o te methacrylate me te acrylic ester. Ka whakatairanga ngā āwhina tukatuka ACR i te rewa o ngā pūnaha tukatuka PVC, ka whakapai ake i ngā āhuatanga rheological o te rewa, ā, ka taea e ngā wāhanga kāore e hototahi ki te PVC te neke ki waho o te pūnaha kapia rewa, ka whakapai ake i tana mahi tangohanga me te kore e whakanui ake i te whakapaunga hiko o ngā taputapu tukatuka. Ka kitea he mahi nui tā ngā āwhina tukatuka ACR i roto i ngā pūnaha tukatuka PVC.
Ngā painga o te whakamahi i ngā āwhina tukatuka ACR:
1. He pai te hototahi ki te kapia PVC, he ngāwari ki te whakamarara i roto i te kapia PVC, ā, he ngāwari ki te whakahaere.
2. He āhua kirihou ā-roto tōna, ā, ka taea te whakamahi i roto i ngā rauemi kapu hū, ngā rauemi waea me te taura, me ngā rauemi ngohengohe mārama hei whakaiti i te nui o te plasticizer e whakamahia ana, hei whakaoti rapanga hoki i te hekenga o te mata o ngā plasticizer.
3. Ka taea e ia te whakapai ake i te ngāwari o te pāmahana iti me te kaha pānga o te hua.
4. Whakapai ake i te kanapa o te mata o te hua, he pai ake i te ACR.
5. He pai te pumau o te wera me te ātete ki te huarere.
6. Whakaitihia te matotoru rewa, whakapotohia te wā whakapūmau, me te whakanui ake i te hua o te waeine. Whakapai ake i te kaha pānga me te ngāwari o te hua i te pāmahana iti.
Mā te whakakapi i te ACR ki ngā rahinga ōrite ka taea te whakaiti i te whakamahinga hinu whakahinuhinu, te whakanui rānei i te whakamahinga whakakī me te pupuri tonu i ngā āhuatanga o te rauemi, ka huaki ake ai ngā huarahi hou hei whakapai ake i te kounga o te hua me te whakaiti i ngā utu.
Wā tuku: Hakihea-25-2023
