Ko te hydroxypropyl methylcellulose matū o ia rā he pūmua hangai i hangaia mai i ngā miro cellulose tūturu mā te whakarerekētanga etherification. Ko te cellulose ether he mea hanga mai i te cellulose tūturu. He rerekē te hanga o te cellulose ether i ngā pūmua hangai. Ko tōna rauemi taketake ko te cellulose, he matū pūmua tūturu. Nā te āhua motuhake o te hanganga cellulose tūturu, kāore te cellulose tonu e kaha ki te tauhohe ki ngā kaihoko etherification. Heoi, i muri i te maimoatanga o te kaihoko pupuhi, ka whakangaromia ngā here hauwai kaha i waenga i ngā mekameka ngota me ngā mekameka, ā, ka huri te tukunga kaha o te rōpū hydroxyl hei cellulose alkali tauhohe. Whiwhi cellulose ether.
He paura mā, he kowhai paku rānei te hydroxypropyl methylcellulose o ia rā, ā, kāore he kakara, kāore he reka, kāore hoki he paitini. He whakarewa ka taea te whakamarara tere ki te wai matao, ka konatunatua ki ngā mea rauropi, ā, ka eke ki te matotoru mōrahi i roto i ētahi meneti hei hanga i tētahi otinga matotoru mārama. He kaha te mahi o te mata o te wai, he mārama teitei, he pumau kaha, ā, kāore e pāngia e te pH ina rewa ki te wai. He pānga whakamātotoru me te ārai huka i roto i ngā hopi horoi me ngā kirimi kaukau, ā, he pupuri wai me ngā āhuatanga hanga kiriata pai mō te makawe me te kiri. Nā te pikinga tere o ngā rauemi mata taketake, ka taea e te cellulose (whakamātotoru ārai huka) e whakamahia ana i roto i te hopi horoi kakahu, te hopi horoi, te kirimi kaukau te whakaiti i te utu me te whakatutuki i te hua e hiahiatia ana.
Ngā āhuatanga me ngā painga o te HPMC wai matao inamata o ia rā:
1. He iti te riri, he pāmahana teitei, ā, kāore he paitini;
2. Te pumau whānui o te uara pH, ka taea te whakarite kia pumau i roto i te whānuitanga o te uara pH 3-11;
3. Whakapai ake i te whakapakari tinana;
4. Whakanuia te pahuka, whakau te pahuka, whakapai ake i te āhua o te kiri;
5. Whakapai ake i te rere o te pūnaha.
6. He māmā ki te whakamahi, ringihia ki te wai matao kia tere te horapa me te kore e piri
Ko te whānuitanga o te tono o te HPMC cellulose matū o ia rā:
Whakamahia ki te hopi horoi kakahu, te shampoo, te horoi tinana, te horoi kanohi, te hinu kiri, te kirīmi, te tiēre, te toner, te whakangawari, ngā hua whakapaipai, te paraihe niho, te horoi waha, me te wai mirumiru taonga takaro.
Te mahi a te HPMC cellulose matū o ia rā:
I roto i ngā mahi whakapaipai, e whakamahia ana mō te whakamātotoru, te whakahuka, te whakapūmau i te emulsification, te marara, te piri, te whakapai ake i te hanga kiriata me te pupuri wai o ngā whakapaipai, e whakamahia ana ngā hua matotoru-nui mō te whakamātotoru, ā, ko ngā hua iti-matotoru e whakamahia ana mō te marara whakatārewatanga me te hanga kiriata.
Hangarau HPMC cellulose matū o ia rā:
Ko te matotoru o te muka hydroxypropyl methyl e tika ana mō te umanga matū o ia rā ko te 100,000, 150,000, me te 200,000. Ko te matotoru teitei te nuinga o te wā e whakamahia ana, ā, ko te pānga matotoru te mea pai rawa atu. E ai ki tāu ake tauira, ko te nui o te tāpiri ki te hua ko te 1,000. E 2 ngā wāhanga ki te 4 ngā wāhanga mō ia mano.
Ngā Whakatūpato
Ko te hydroxypropyl methylcellulose o ia rā kāore i te whai tohu he iti te mārama, he iti te pānga matotoru, he angiangi i muri i te rokiroki roa, ā, ka pirau pea ētahi wāhanga. Hei karo i te maturuturunga o te cellulose i te wā e whakamahia ana, me whakaoho i mua i te puta o te matotoru.
Wā tuku: Paenga-whāwhā-14-2023