He pūhui hanga-haurua kore-ionic te cellulose ether, he wairewa-wai, he wairewa-whakarewa hoki. He rerekē ngā pānga o tēnei ki ngā ahumahi rerekē. Hei tauira, i roto i ngā rauemi hanga matū, e whai ake nei ngā pānga hiato:
①Kaiwhakapūmau wai
②Whakamātotoru
③Te Whakatairite
④Te hanga kiriata
⑤ Pūrerehere
I roto i te umanga polyvinyl chloride, he emulsifier me te dispersant; i roto i te umanga rongoā, he mea here me te rauemi anga tuku puhoi me te whakahaere, me ētahi atu. Nā te mea he maha ngā pānga hiato o te cellulose, ko tōna whakamahinga he whānui rawa atu hoki. Muri iho, ka arotahi ahau ki te whakamahinga me te mahi a te cellulose ether i roto i ngā momo rauemi hanga.
1. I roto i te umanga peita rapa, whiriwhiria te hydroxyethyl cellulose, ko te whakatakotoranga whānui o te matotoru ōrite ko RT30000-50000cps, e rite ana ki te whakatakotoranga o HBR250, ā, ko te horopeta tohutoro he 1.5‰-2‰ te nuinga. Ko te mahi matua o te hydroxyethyl i roto i te peita rapa ko te whakamātotoru, te aukati i te waikura, te āwhina i te marara o te tae, te pumau o te rapa, me te whakanui ake i te matotoru o ngā wāhanga, he mea āwhina mō te mahi whakataurite o te hanganga: He watea ake te whakamahi i te Hydroxyethyl cellulose. Ka taea te whakarewa ki te wai matao, ki te wai wera rānei, ā, kāore e pāngia e te uara pH. Ka taea te whakamahi haumaru i waenga i te uara PI 2 me te 12. Ko ngā tikanga whakamahi koia ēnei:
I. Tāpirihia tika ki te hanga: Mō tēnei tikanga, me whiriwhiri te momo whakaroa hydroxyethyl cellulose, ā, me whakamahi te hydroxyethyl cellulose me te wā whakarewa neke atu i te 30 meneti. Wai parakore i roto i te waha ②Tīmata ki te whakaoho i te tere puhoi tonu, ā, i te wā kotahi tāpirihia mārire te hydroxyethyl ki roto i te otinga kia ōrite ③Me whakaoho tonu kia mākū katoa ngā rauemi kirikiri ④Tāpirihia ētahi atu tāpiringa me ngā tāpiringa kawakore, me ētahi atu. ⑤Whakaohokia kia memeha katoa ngā rōpū hydroxyethyl, kātahi ka tāpirihia ētahi atu wāhanga ki te tauira, ka huri kia oti ra ano te hua.
Ⅱ. Kua rite ki te wai whaea mō te whakamahinga ā muri ake nei: Ka taea e tēnei tikanga te whiriwhiri i te cellulose inamata, he pānga ārai-haruru. Ko te painga o tēnei tikanga he nui ake tōna ngāwari, ā, ka taea te tāpiri tika ki te peita rapa. He rite tonu te tikanga whakarite ki ngā mahi ①-④.
Ⅲ. Whakaritea te parāoa mō te whakamahinga ā muri ake nei: Nā te mea he ngoikore ngā whakarewa rauropi (kāore e rewa) mō te hydroxyethyl, ka taea te whakamahi i ēnei whakarewa hei whakarite parāoa. Ko ngā whakarewa rauropi e whakamahia whānuitia ana ko ngā wai rauropi i roto i ngā hanganga peita rapa, pērā i te ethylene glycol, te propylene glycol, me ngā kaihanga kiriata (pērā i te diethylene glycol butyl acetate). Ka taea te tāpiri tika i te parāoa hydroxyethyl cellulose ki te peita. Me whakaoho tonu kia memeha rawa.
2. I roto i te putty waru pakitara: I tēnei wā, ko te putty tiaki taiao e ātete ana ki te wai me te ātete ki te paru i te nuinga o ngā tāone o tōku whenua kua tino whakanuia e te tangata. Ko te kāpia hanga hauora, ka hangaia mā te whakakoi i te waipiro polyvinyl me te formaldehyde. Nō reira, ka tangohia haeretia tēnei rauemi e te tangata, ā, ka whakamahia ngā hua raupapa cellulose ether hei whakakapi i tēnei rauemi. Ara, mō te whakawhanake i ngā rauemi hanga taiao, ko te cellulose anake te rauemi i tēnei wā. I roto i te putty ātete-wai, ka wehea kia rua ngā momo: te putty paura maroke me te whakapiri putty. I roto i ēnei momo putty e rua, me whiriwhiri te methyl cellulose whakarerekētia me te hydroxypropyl methyl. Ko te whakatakotoranga matotoru kei waenganui i te 30000-60000cps. Ko ngā mahi matua o te cellulose i roto i te putty ko te pupuri wai, te here me te whakahinuhinu. Nā te mea he rerekē ngā tātaitanga o te putty a ngā kaihanga rerekē, ko ētahi he konupūmā hina, he konupūmā māmā, he sima mā, me ētahi atu, ā, ko ētahi he paura gypsum, he konupūmā hina, he konupūmā māmā, me ētahi atu, nō reira he rerekē anō hoki ngā whakatakotoranga, te matotoru me te urunga o te cellulose i roto i ngā tātaitanga e rua. Ko te nui o te tāpiri he tata ki te 2‰-3‰. I roto i te hanganga o te putty waru pakitara, nā te mea he taumata mimiti wai te mata o raro o te pakitara (ko te tere mimiti wai o te pakitara pereki he 13%, ā, ko te tere mimiti wai o te raima he 3-5%), me te mimiti o te ao o waho, ki te tere rawa te ngaro o te wai o te putty, ka arahi ki ngā kapiti, ki te tango paura rānei, ka ngoikore te kaha o te putty. Nō reira, mā te tāpiri i te cellulose ether ka whakatauhia tēnei raruraru. Engari he mea tino nui hoki te kounga o te whakakī, inā koa te kounga o te konupūmā pungarehu. Nā te matotoru teitei o te cellulose, ka whakanuia hoki te pūmau o te putty, ā, ka karohia hoki te āhuatanga totoro i te wā hanga, ā, he pai ake te whakamarie me te penapena mahi i muri i te waru. He watea ake te tāpiri i te cellulose ether ki te paura putty. He watea ake te hanga me te whakamahi. Ka taea te whakaranu i te whakakī me ngā tāpiringa ki te paura maroke kia ōrite.
3. Moata raima: I roto i te moata raima, kia eke ki te kaha tino pai, me tino makuku te sima. Ina koa i te hanganga raumati, ka tere rawa te ngaro o te wai o te moata raima, ā, ka whakamahia ngā mehua o te makuku katoa hei pupuri me te tauhiuhi i te wai. Ko te tikanga tuatahi ko te whakamomori i ngā rauemi wai me te mahi uaua. Ko te mea nui ko te wai kei runga noa i te mata, ā, kāore anō kia oti te makuku o roto. Nō reira, ko te otinga ki tēnei raruraru ko te tāpiri i ngā kaihoko pupuri wai e waru ki te moata raima. Ko te tikanga, ka tīpakohia te hydroxypropyl. Ko te methyl, te methyl cellulose rānei, ko te whakatakotoranga matotoru kei waenga i te 20000-60000cps, ā, ko te nui o te tāpiri he 2%-3%. Ka taea te whakanui ake i te tere pupuri wai ki te neke atu i te 85%. Ko te tikanga whakamahi i roto i te moata raima ko te whakaranu i te paura maroke kia ōrite, ka ringihia ki roto i te wai.
4. I roto i te paninga gypsum, te hononga gypsum, me te paninga gypsum: I te tere o te whanaketanga o te umanga hanga, kei te piki haere hoki te hiahia o te tangata mō ngā rauemi hanga hou. Nā te pikinga ake o te mōhiotanga o te tangata ki te tiaki taiao me te whakapai tonu i te whai huatanga o te hanga, kua tere te whanaketanga o ngā rauemi sima. Kua tere te whanaketanga o ngā hua gypsum. I tēnei wā, ko ngā hua gypsum tino noa ko te paninga gypsum, te gypsum here, te gypsum whakairo, me te piripiri taera. He rauemi paninga kounga teitei te gypsum paninga mō ngā pakitara me ngā tuanui o roto. He pai, he maeneene hoki te mata o te pakitara i pania ki a ia. Ko te piripiri papa rama whare hou he rauemi piri i hangaia ki te gypsum hei rauemi turanga me ngā momo tāpiri. He pai mō te hono i waenga i ngā momo rauemi pakitara hanga kore-waro. Kāore he paitini, Kāore he kakara, he wawe te kaha me te tere o te whakatakoto, he kaha te hononga me ētahi atu āhuatanga, he rauemi tautoko mō ngā papa hanga me te hanganga poraka; ko te kaihoko paninga gypsum he whakakī āputa i waenga i ngā papa gypsum me te whakakī whakatika mō ngā pakitara me ngā kapiti. He maha ngā mahi a ēnei hua gypsum. Haunga te mahi a te gypsum me ngā whakakī e pā ana, ko te take matua ko te mahi nui a ngā tāpiringa cellulose ether. Nā te mea kua wehea te gypsum ki te gypsum korewai me te gypsum hemihydrate, he rerekē ngā pānga o ngā gypsum rerekē ki te mahi a te hua, nō reira ko te matotoru, te pupuri wai me te whakaroa ka whakatau i te kounga o ngā rauemi hanga gypsum. Ko te raruraru noa o ēnei rauemi ko te poka me te ngatata, ā, kāore e taea te whakatutuki i te kaha tuatahi. Hei whakaoti i tēnei raruraru, me whiriwhiri te momo cellulose me te tikanga whakamahi matū o te whakaroa. I tēnei whakaaro, ko te methyl, ko te hydroxypropyl methyl 30000 rānei te mea e whiriwhiria whānuitia ana. –60000cps, ko te nui o te tāpiri he 1.5%–2%. I roto i ēnei, ko te cellulose e aro ana ki te pupuri wai me te whakaroa i te hinu whakahinuhinu. Heoi, kāore e taea te whakawhirinaki ki te cellulose ether hei whakaroa, ā, me tāpiri he whakaroa waikawa citric ki te whakaranu me te whakamahi me te kore e pā ki te kaha tuatahi. Ko te pupuri wai e pā ana ki te nui o te wai ka ngaro maori me te kore e mimiti wai o waho. Ki te maroke rawa te pakitara, ka tere rawa te mimiti o te wai me te mimiti māori i te mata o te turanga, ā, ka puta hoki he kōhao me te ngatata. Ka konatunatua tēnei tikanga whakamahi ki te paura maroke. Ki te whakarite koe i tētahi otinga, tirohia te tikanga whakarite o te otinga.
5. Pātara whakamahana He momo rauemi whakamahana pakitara o roto hou te pātara whakamahana i te rohe raki. He rauemi pakitara i hangaia mā te rauemi whakamahana, te pātara me te here. I roto i tēnei rauemi, he mahi nui te cellulose ki te hono me te whakanui ake i te kaha. Ko te tikanga he whiriwhiri i te methyl cellulose he matotoru teitei (tata ki te 10000eps), ko te horopeta i waenga i te 2‰-3‰), ā, ko te tikanga whakamahi he whakaranu paura maroke.
6. Kaihoko Atanga Kōwhiria te HPNC 20,000 cps hei kaihoko atanga, whiriwhiria te 60,000 cps, neke atu rānei, hei piripiri taera, ā, arotahi ki te kaihoko whakamaroke i roto i te kaihoko atanga, ka taea te whakapai ake i te kaha kume me te kaha ārai-pere. Whakamahia hei kaihoko pupuri wai i roto i te hononga o ngā taera hei ārai i te maroke tere o ngā taera, me te taka atu.
Wā tuku: 18-Pepuere-2023