KARERE

Rongorongo

Ko te tātaritanga mo te whanaketanga o te maakete ahumahi waipiro furfuryl

Ko te waipiro Furfuryl he matū matū tino nui.Te nuinga whakamahia i roto i te hanga o ngā āhuatanga o te kapia furan,waipiro furfurylUrea formaldehyde kapia me te kapia phenolic. Ka taea e te hauwai te whakaputa i te waipiro tetrahydrofurfuryl, he whakarewa pai mo te parani, te poaka me te wahie toka. I tua atu, ka taea hoki te whakamahi i roto i te muka waihanga, te rapa, te pesticide me te ahumahi whakarewa.

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Ko te waipiro Furfuryl e kore e whakamahia anake hei rauemi mata o te kapia furan, engari ano he tae, he varnish, he kapia phenolic, he whakarewa, he marara ranei o te kapia furan, he kaihoko makuku, aha atu.He pai ake te parenga matao o te plasticizer i hangaia mai i tera o te waipiro butyl me nga esters octanol.

Ma te whakamahi i te furfural hei rauemi mata ka taea ano te mahi tukatuka, penei i te hanga kapia furfural me te hanga hua hauwai hauwai. Ko nga hua e kiia nei ko te furfural hydrogenated e pa ana ki te furfural i roto i te pāmahana, te whakakorikori me nga tikanga uara pH, ka taea te tauhohe me te hauwai ki te whakaputa tetrahydrofuran, te waipiro furfuran me etahi atu matū, ka taea hoki te whakamaarama hei whakaputa i te kapia furan, e whakamahia nuitia ana i roto i nga miihini me ahumahi matū.

Ko te waipiro Furfuryl, e mohiotia ana ko te waipiro furfuryl, he matū matū tino nui. Ko tana mahi ahumahi i kitea tuatahitia e te Kamupene Quaker Oats i te tau 1948. Ko te waipiro Furfuryl he huanga nui o te furfural, he mea hanga na roto i te whakangaotanga catalytic o te furfural i roto i te hau, i te wahanga wai ranei. Ka taea te hanga Furfural ma te pakaru me te whakamakuku i te pentose mai i nga otaota hua pera i te kanga witi, te toenga sucrose, te kiri miro, te putiputi putiputi, te kiri witi me te kiri raihi.

Ko te waipiro Furfuryl te mea matua o te kapia furan. Ko ona hua ko: Urea-formaldehyde furan resin, phenolic furan resin, keto-aldehyde furan resin, urea-formaldehyde phenolic furan resin. Ka whakamahia nuitia te kapia ki te whakarewa me te hanga matua. Ka taea hoki te whakamahi i te waipiro Furfuryl hei kapia antiseptic, nga rauemi mata rongoa.

Ko te waipiro Furfural te nuinga e whakamahia ana i roto i te hanga o te kapia furfural, te waipiro furfuran, te waipiro furfural - te urine aldehyde resin, te phenolic resin, me etahi atu ka whakamahia hoki hei whakarite i te waikawa hua, te plasticizer, te whakarewa me te wahie toka. I tua atu, i roto i nga waikano, muka waihanga, rapa, pesticides, whakarewa me etahi atu waahanga ahumahi e whakamahia nuitia ana.


Wā tuku: Feb-08-2023