Nō nā tata nei, kua noho te 1,4-butanediol (BDO) hei kaupapa wera i roto i te ao matū. Hei rauemi mata matū waro nui, kei te werohia e ia he kaha hou ki roto i ngā ahumahi maha me ōna whānuitanga o ngā tono, e akiaki ana i te whanaketanga kaha o tētahi mekameka ahumahi whānui.
I runga i ngā raina whakaputa hua polyester, e whakaatu ana te 1,4-butanediol i te uara kore e taea te whakakapi. Ko te hanganga o te polybutylene terephthalate (PBT) e whakawhirinaki nui ana ki a ia. Ko te PBT, he kirihou hangarau polyester thermoplastic teitei-mahi, he tino pai ngā āhuatanga miihini, he kaha te ātete ki te waikura matū, me te pai o te whakamarumaru hiko me te pumau o te taha. I tēnei wā, kei te tere haere te tipu o te umanga hikohiko me ngā taputapu hiko, me te puta tonu mai o ngā taputapu kāinga atamai me ngā taputapu hiko tino tika. Ko ngā whare taputapu hiko me ngā hononga i hangaia mai i ngā rauemi PBT ehara i te mea ka whakarite noa i te haumaru me te pumau o ngā taputapu engari ka hoatu hoki ki ngā hua he āhua ataahua me te pakari, ka hua ake te pikinga o te tono mākete. E whakaatu ana hoki te umanga hanga motuka i te hiahia nui ki te PBT. Ko ngā wāhanga pēnei i ngā kakau tatau motuka me ngā parepare i hangaia mai i te PBT ka taea te tu atu i te pakaru o ngā āhuatanga rori uaua me te whakarei ake i te kakano whānui o te waka.
I roto i ngā awheawhe whakaputa polyurethane thermoplastic (TPU), ko te 1,4-butanediol tētahi "mema" matua. Ka whakakotahi te TPU i te ngāwari o te rapa me te ngāwari o te tukatuka o te kirihou, ā, he ātete ki te kakahu, he ātete ki te hinu, he ātete ki te makariri hoki ōna hua kua oti. Mai i ngā kapu o ngā hu hākinakina o ia rā, e whakarato ana i te tautoko whakamarie me te roa mō ngā kaiwhaiwhai hākinakina, ki ngā paipa, ki ngā uhi waea me te taura i roto i ngā āhuatanga ahumahi, e tiaki ana i te haumaru o te tuku pūngao me te kawe rauemi, ā, ki ngā whitiki kawe ahumahi tere-tere, e whakarite ana i te mahi maeneene o te raina whakaputa, kei ngā wāhi katoa te TPU, ā, ko te turanga mahi i whakatakotoria e te 1,4-butanediol e taea ai.
Kua pāngia hoki ngā ahumahi paninga, waituhi, me te tā me te tae e ngā panonitanga hou nā te 1,4-butanediol. He teitei te pāmahana kohua o te γ-butyrolactone i hangaia mai i a ia, ā, he tino pai te wairewa, ka taea te whakarewa ngāwari i ngā momo matū waro me ngā polymer, ka hanga kia ōrite ake ngā tae o ngā paninga, kia kaha ake te piri o ngā waituhi, ā, kia mārama ake, kia kanapa ake ngā tauira tā me te tae, ka whai wāhi ki te whakapai ake i te ahumahi matū tuku iho. Hei tāpiri, hei rauemi tīmatanga mō te hanga o ngā mea kakara me ngā takawaenga rongoā, kei te whakatuwhera puku te γ-butyrolactone i tētahi tatau hou mō te rangahau me te whanaketanga o ngā matū pai, ā, e tika ana kia puta ake he hua auaha ake ka whakarewaina ki te mākete.
I raro i te ngaru puāwai o te umanga pākahiko lithium, kua aro nui te N-methylpyrrolidone (NMP), he matū i ahu mai i te 1,4-butanediol. Hei whakarewa aprotic polar, kua wikitoria e te NMP te raruraru o te ngoikore o te wairewa o ngā rauemi hiko pākahiko lithium, ka āwhina i te whakaranu ōrite o ngā mea here me ngā rauemi hohe. Ko ia te toa ngaro i muri i te whakapai ake i te mahi me te kounga o ngā pākahiko lithium, me te tautoko kaha i te huarahi hou o ngā ahumahi pēnei i ngā waka hiko hou me ngā taputapu rokiroki hiko.
I ngā rohe o te ahua me ngā kakahu, ka hurihia te tetrahydrofuran (THF) i hangaia me te whai wāhi mai o te 1,4-butanediol hei polytetrahydrofuran (PTMEG), ka noho hei rauemi mata mō ngā muka spandex me ngā elastomers polyurethane. Mā tēnei ka pai ake te hanga o ngā kākahu hākinakina me ngā kakahu papai ki ngā piko o te tinana tangata, ka whakakotahi i te whakamarie me te tikanga ahua, ā, ka hoatu he tino ngāwari me te ngāwari ki ngā papanga.
I roto i te mara o te rangahau me te whanaketanga rongoā, ka mahi puku te 1,4-butanediol hei "toa kāore i te mōhiotia". Hei takawaenga rongoā matua, ka whai wāhi ia ki ngā mahi hanga matatini o ētahi rongoā steroid me ngā paturopi. He rite ki ngā poraka hanga angiangi mō te hanga i tētahi whare ngota, e āwhina ana i ngā kairangahau ki te whakairo i ngā hanganga rongoā whai hua ake, me te whakarato i ngā matā hei wikitoria i ngā mate uaua.
I te whakapai tonutanga o te hangarau me te tūhuratanga hōhonu o te tono mākete, e matapaetia ana ka haere tonu te whānui o te umanga 1,4-butanediol, me te mahi tahi a ngā umanga whakarunga me ngā umanga whakararo i roto i te auahatanga me te puta ake i roto i ngā mara e puta ake ana, ka tuhia he upoko hou kanapa i roto i te umanga matū.
Wā tuku: Hanuere-08-2025
