Ko te cellulose, e mōhiotia ana ko te hydroxypropylmethylcellulose (HPMC), he wāhanga nui o te gypsum. He rauemi hanga pakitara me te tuanui e whakamahia whānuitia ana te gypsum. Ka whakaratohia he mata maeneene, he papatahi hoki e rite ana mō te peita, te whakapaipai rānei. Ko te cellulose he tāpiri kore paitini, he pai mō te taiao, ā, he kore kino hoki e whakamahia ana hei hanga gypsum.
Ka whakamahia te cellulose i roto i te hanga gypsum hei whakapai ake i ngā āhuatanga o te gypsum. He piripiri tana mahi, e pupuri ana i te pāreti kia piri tahi, ā, e ārai ana i te ngatata, i te mimiti rānei i te wā e maroke ana. Mā te whakamahi i te cellulose ki roto i te ranunga stucco, ka taea e koe te whakanui ake i te kaha me te roa o te stucco, kia roa ake ai te mau, kia iti ake ai hoki te tiaki.
He pūhui taiao te HPMC i ahu mai i te cellulose, he mea hanga mai i ngā mekameka roa o te hukahuka, i whakarerekētia mā te tauhohenga ki te propylene oxide me te methyl chloride. He mea pirau te rauemi, ā, kāore he paitini, he rauemi pai mō te taiao. Haunga tēnā, he wairewa te HPMC i te wai, ko te tikanga ka taea te whakaranu ngāwari ki te ranunga gypsum i te wā e whakarite ana.
Mā te tāpiri i te cellulose ki te ranunga stucco ka āwhina hoki ki te whakapai ake i ngā āhuatanga here o te stucco. Ko ngā ngota cellulose te kawenga mō te hanga hononga i waenga i te stucco me te mata o raro. Mā tēnei ka pai ake te piri o te pāreti ki te mata, ā, ka ārai i tōna wehenga, i tōna ngatata rānei.
Ko tētahi atu painga o te tāpiri i te cellulose ki te ranunga gypsum ko te āwhina i te whakapai ake i te mahi a te gypsum. Ka mahi ngā ngota cellulose hei hinu whakahinuhinu, kia māmā ake ai te horapa o te pāreti. Mā tēnei ka māmā ake te whakapiri i te pāreti ki te pakitara, ki te tuanui rānei, kia maeneene ake ai te mata.
Ka taea hoki e te cellulose te whakapai ake i te āhua whānui o ngā whakaotinga pāreti. Mā te whakanui ake i te kaha me te ngāwari o te mahi o te stucco, ka āwhina i te whakarite kia maeneene, kia ōrite te whakaotinga, kāore he kapiti, he hapa rānei o te mata. Mā tēnei ka ātaahua ake te titiro o te pāreti, ā, ka māmā ake te peita, te whakapaipai rānei.
Haunga ngā painga kua whakarārangihia i runga ake nei, ka whai wāhi anō te cellulose ki te ātete ahi o te stucco. Ina tāpirihia ki te ranunga gypsum, ka taea e ia te āwhina i te whakaroa i te horapa o te ahi mā te hanga i tētahi ārai i waenganui i te ahi me te mata o te pakitara, o te tuanui rānei.
He maha ngā painga taiao o te whakamahi i te cellulose i roto i te hanga gypsum. He pirau te rauemi, ā, kāore he paitini, kāore hoki e pā kino ki te taiao me te hauora o te tangata. Hei tāpiri, nā te mea ka whakanui ake te cellulose i te kaha me te roa o te para, ka āwhina i te whakaiti i te nui o te tiaki e hiahiatia ana i roto i te wā. Ka whakaitihia te nui o ngā para e puta ana, ā, ka āwhina i te tiaki rauemi.
He wāhanga nui te cellulose o te gypsum. Mā te tāpiri atu ki te ranunga stucco ka āwhina i te whakapakari i te kaha, te roa, te ngāwari ki te mahi me te āhua o te stucco. Hei tāpiri, he maha ngā painga taiao e āwhina ana ki te whakaiti i te hiahia mō te tiaki roa. Ko te whakamahi i te cellulose i roto i te gypsum he taahiraa nui ki te hanga rauemi hanga whare pumau me te pai mō te taiao.
Wā tuku: 10-Ākuhata-2023