Kua piki haere te rongonui o te tuanui Polyurethane Foam (SPF) i ngā tau tata nei, inā koa i waenga i ngā kaipupuri whare arumoni e rapu ana i ngā otinga tuanui e penapena ana i te pūngao, e roa ana te wā, e iti ana hoki te utu. Engari he aha tonu te tuanui SPF, me pēhea tana mahi, ā, he haumaru mō te tangata me te taiao? Me tūhuratia ngā whakautu mai i te tirohanga a te kaihanga polyurethane catalyst ngaio.
He aha te tuanui SPF?
Ko te tuanui pahuka polyurethane rehu he pūnaha tuanui piri tahi, he mea hanga mā te whakaranu i ngā wāhanga wai e rua—isocyanate (A)mepōroira (B)—i raro i ngā tikanga whakahaere ote pāmahana me te pēhanga teiteiKa haria ēnei wāhanga mā roto i ngā ngongo pēhanga teitei kua werahia, ā, ka whakakotahihia ki te pū rehu i te tata ki te115–130°F. Ina pā atu, ka tere te tauhohe o ngā matū, ka horapa heipahuka pūmau, pūtau-katie piri ana ki te papa, ka whakamaroke hei kiriuhi tuanui pakari, mama, ā, ārai wai.
He whānuitia te whakamahinga o tēnei momo tuanui i ngā whare arumoni, ahumahi, me ngā whare wānanga. Nā tōna āhua hono korekore ka ārai i ngā turuturu, ā, mā ōna āhuatanga whakamarumaru ka pai ake te whai huatanga o te pūngao mā te whakaiti i ngā utu HVAC.
Huka Pūtau-Tuwhera me te Huka Pūtau-Katia i roto i te Taupoki
- SPF pūtau-katiko te kōwhiringa tino noa mōngā tono tuanuinā tōna kaha pēhi teitei, tōna ātete wai, me ōna āhuatanga whakamahana.
- SPF pūtau-tuwheraahakoa he māmā ake, he ngāwari ake hoki, e whakamahia whānuitia ana mōwhakamahana o rotomeārai haruru,ehara mō ngā tuanui.
Me pēhea te whakamahi i te tuanui SPF?
Ko ngā pūnaha tuanui SPFi whakamahia i te papaangae ngā tohunga whakangungu e whakamahi ana i ngā taputapu rehu motuhake. Ka rongoatia ngā wāhanga matū A me B ki roto i ngā ipu motuhake, ā, ka papua mā roto i ngā ngongo pēhanga teitei ki te pū rehu. Tikapēhanga, pāmahana, mengā ōwehenga whakaranuhe mea nui mō te tono angitu me te mahi pahuka.
Kei te pūtake o tēnei tauhohenga kongā whakakorikori polyurethane,e whakahaere ana i te tere o te tauhohenga, e whakataurite ana i ngā tukanga whakapūpū me te whakapūpū, ā, e awe ana hoki i ngā āhuatanga whakamutunga o te pahuka. Ā mātou whakakorikori, pērā iMXC-5meMXC-8,kua hangaia mō ngā pūnaha SPF hei whakarite i te whai huatanga o te tauhohenga me te kounga o te pahuka.
He haumaru te pahuka polyurethane rehu?
He pātai noa tēnei i waenga i ngā kaipupuri whare, ngā kaimahi kirimana, me ngā kaitautoko i te oranga tonutanga.
Ko te whakautu poto ko:Kāore te SPF i te paitini,engariko tōna haumaru e whakawhirinaki ana ki te hanganga—ina koa ko ngā tāpiringa matū e whakamahia ana i roto i te mahi whakaputa.
I te wā o te tono, ā, i muri tata mai hoki,ngā matū waro pūngāwerewere (VOC)ka taea te tuku mai i ētahi tāpiringa pēnei i tengā kai pupuhimengā ārai mura. Tērā pea hete kaha nui o te mahana o te ao (GWP)ka pāngia rānei e te riri ina pāngia tika. Koia te takengā mahi haumaru tika,tae atu ki ngā PPE me te hauhautanga, he mea nui i te wā e tāuta ana.
I Mingxu New Materials, ka arotahi mātou kingā whakakorikori polyurethane iti-VOC,riteMXC-5meMXC-8,e āwhina anawhakaiti i te pupuhi hau, ngā mate pāwera,mepānga ki te taiaoKa mau tonu te mahi a ēnei whakakorikori i te taumata teitei, me te tautoko anō hoki i ngā whāinga pumau i roto i ngā hanganga pahuka hou.
Te Hiranga o te Kōwhiri i ngā Whakakōkī Tika
He mea nui te mahi a ngā kaiwhakaoho hei whakarite i tete whai huatanga, te roa, me te mahi taiaoo ngā pūnaha tuanui SPF. Mā te pūnaha whakakorikori taurite pai ka whakarite:
- Te tauhohenga whakahaere mō te whakawhānui me te piri tika o te pahuka
- Te wā whakaora pai rawa atu mō te whai huatanga o te papa mahi
- He iti ngā tukunga hei whakatutuki i ngā ture hauora me te taiao e tino kaha haere ana
Ko tā mātou raina hua ongā whakakorikori amine me te polyurethane e hangai ana ki te konganukuhe mea hanga motuhake mō ngā pūnaha SPF, ā, he hototahi ki ngā mea e ruatuku ihomengā whakatakotoranga iti-GWP o te whakatupuranga e whai ake nei,tae atu ki ngā pūnaha e hangai ana ki te HFO.
Whakamutunga
Ka tukuna e te tuanui pahuka polyurethane rehu heotinga maha-mahi, tino whai huamō ngā tuanui arumoni hou. Ahakoa he mārama ngā āwangawanga mō te haumaru, ko ngā whakatakotoranga o ēnei rā—me te kōwhiringa tika ongā whakakorikori iti-tukungamengā tāpiringa pumau—hangaia he tuanui SPF heihaumaru, penapena pūngao, ā, e aro nui ana ki te taiaokōwhiringa
Wā tuku: Pipiri-17-2025