Me pēhea te whiriwhiri i te huarahi tika mō te whakapūkara ina whakarerekētia ngā rauemi rerekē?

Ina "whakarerekētia" ngā kapia parakore, he maha ngā wā ka huri te tikanga whakapūkara e tika ana.

Hei tauira:

• Mā te whakakī, inā koa te whakakī nui, ka taea te whakarerekē i te wera o te mata kirihou LLDPE, LDPE rānei mai i te whakakī mowhiti wai ki te mata matao hau. Ka whakanui ake i te pakari me te penapena pūngao (ka penapena i muri i te maroke); he ātaahua te āhua o te kōpaka, ā, ka whakaiti i te ngaronga tūturu o te paura taha.

• Kua whakarei ake, nā te mea kei roto i te muka karāhe, i te muka waro rānei, kia hoki ai ētahi o ngā kapia whakamatao hau (polyethylene kiato teitei, ABS, me ētahi atu) ki te tapahi matao rīpene tuku iho (wai). Kāore he rerekētanga o te "Whānui" me te "hangarau" (kirihou).

• He mea whakapakeke, pērā i te rauemi parepare TPV e whakamahia whānuitia ana (PP+EPDM+POE dynamic vulcanization), nā te marara o te paura rapa i roto i te wāhanga PP tonu, ka pai ake te wera o te mowhiti wai. He ātaahua te āhua, ā, he pai te utu.

○ Te whakaputanga tauhohe

(1) Ko te rauemi taura honohono matū (XL-PE) te mea pai rawa atu mō te mata o te mata mate hau-whakamatao. I roto i te maha o ngā whare hanga rauemi taura,tīwiri māhanga/mīhini takahanga takirua tīwiri kotahi + te whakamatao hau wera (te wera rerekē rānei) he hototahi ki te SPVC me te XLPE te whirihoranga paerewa hanga.

(2) I roto i te hanga me te hanga o te polypropylene kaha rewa (HMS-PP), ka pai ake te tango a te PP i ngā matūriki wera mowhiti wai.

He maha ake ngā rauemi noa kua whakarerekētia, he kōwhiringa tauira tapahi puranga matua rānei

• He rauemi whakamahana taura SPVC, he rauemi hauora mārama rānei, ko te mea pai ko te mata o te mate hau-whakamatao katoa. Pērā anō hoki te RPVC, engari he iti ake te rahinga.

• Ahakoa te porohita, te hiku rānei, te GPPS rānei, ko te whitiki maka (te whakamatao wai piko) te mea nui rawa atu hei whiriwhiri.

• Ko ngā rauemi ABS e whakamahia whānuitia ana, ko te nuinga e whiriwhiri ana ki te kume (wai) tapahi matao (ko te āhua angiangi me te roa o te kākano te mea tino rongonui). Kua whakamātauhia e te tangata te hauhautanga hauhautanga, te mowhiti wai rānei, kāore he raruraru, he ātaahua hoki te āhua o te kākano (porowhita pai). Mēnā he nui ake te kaha whakaputa i te 3-4t/h, he mea tika kia huri ki te mīhini whakarewa wera wai, ki te mīhini whakarewa whitiki rānei.

• He rauemi taura kua āraia, kua āraia rānei, he iti noa te kōwhiringa o ngā mowhiti wai, he nui te kōwhiringa o ngā mea kei raro i te wai (hihiri).

• He rauemi taura whakawhiti-silane, he mowhiti wai te whiriwhiri mō te aho iti, he mowhiti wai te whiriwhiri mō te aho nui (pērā i te aho 96/250).

• Te hanga me te whakapūtanga o te HFFR (he rauemi taura kore-hauraro paowa iti), e hototahi ana ki ngā taputapu XLPE, engari me huri te whirihoranga o te tīwiri extruder.

• Te pito o te copolymer formaldehyde (POM), ka taea te whiriwhiri i te mowhiti wai, i raro rānei i te wai (tapahia).

• TPU (thermoplastic polyurethane elastomer), he maha ngā mea wera i raro i te wai, engari me whakarite te ahunga kotahi o te wāhanga ine extrusion kia rite ki te pēhanga hanga.

Ko te puranga matua o te miro PET, ka taea te tapahi matao ki te kume (wai) ka taea rānei te whakarewa ki te tapahi matao.

• Ka taea te whakaranu i te PPC (polypropylene carbonate) rongonui ki te whakaiti i ngā tukunga me te nuinga o ngā momo kapia pirau katoa (TPS, PLA, PBAT, PBS, PHBV, PHA, PVA, PCL, PGA) me te whakapūkara.

• He whakapūkara muka karāhe roa kua whakakīia ki te wai (LFI-PP, LFI-PA).
• Kiriata PE manawa mai i te wheketere e whakamahia whānuitia ana – te whakaranu me te whakapūkara;

• Ngā kirihou whakarewa ester whakauru o te cellulose acetate – te whakaranu i te kirikiri;

• TPEE (rapa ester copolymer poraka) – te whakaranu i te kirikiri;

• K kapia – te whakapūpūtanga o ngā rauemi whakaputa me ngā rauemi kua whakarerekētia;

• Te whakapūtanga elastomer poraka SBS, SIS, SEBS, te whakapūtanga devolatilization rānei;

• Te tākai POE, te tākai EPDM me ētahi atu kaihoko whakapakeke hototahi – te whakaranu i te whakapūkara;

• Ngā rauemi keri polyethylene taumaha ngota tino teitei (UHMW-PE), pērā i te whakaranu i te kirikiri;

• Te ware piroiti (PEW) — te puranga, te whakapūpū me te whakapūpū moroiti;

• Te kapia hinu (C5, C9 rānei) — ngā kai me te whakapūkara motuhake;

• Waea whakakoi nairona (PA6+PA12+SiC) e whakaranu ana i te whakaputa me te tapahi.