Kubika amazi muri eteri ya hydroxypropyl methylcellulose
Uburyo amazi abikwa mu cyuma givanze n’amazi butuma amazi agumana neza. Uko eteri ya hydroxypropyl methylcellulose irushaho kuba nziza, ni ko amazi abikwa neza. Kubera ko imiterere ya selulosi irimo imigozi ya hydroxyl na eteri, atome za ogisijeni ziri mu matsinda ya hydroxyl na eteri zifatanya n’uturemangingo tw’amazi kugira ngo zikore imigozi ya hydrogen, bityo amazi yigenga aba afatanye n’amazi kandi agafata amazi, bityo akagira uruhare mu kubika amazi.
Uburyo Hydroxypropyl Methyl Cellulose Ether ishonga
1. Eteri ya cellulose y'uduce duto tworoshye gukwirakwira mu mazi nta guhurirana, ariko umuvuduko wayo ugenda buhoro cyane. Eteri ya cellulose iri munsi ya mesh 60 ishongeshwa mu mazi mu gihe cy'iminota 60.
2. Eteri ya cellulose y'uduce duto tworoshye gukwirakwira mu mazi nta guhurirana, kandi igipimo cyo gushonga kiri hagati. Eteri ya cellulose iri hejuru ya mesh 80 ishongeshwa mu mazi mu gihe cy'iminota 3.
3. Eteri ya cellulose itoshye cyane ikwirakwira vuba mu mazi, igashonga vuba, kandi igakora viscosity vuba. Eteri ya cellulose iri hejuru ya mesh 120 ishonga mu mazi mu gihe cy'amasegonda agera kuri 10-30.
Uko uduce twa hydroxypropyl methylcellulose ether tuba twito, niko amazi arushaho kugumana neza. Ubuso bwa electrolyse ether ishongesha ako kanya nyuma yo kugera ku mazi, bigahinduka gel. Kole ipfunyika ibikoresho kugira ngo wirinde ko molekile z'amazi zikomeza kwinjira. Hari igihe idashobora gukwirakwira no gushonga kimwe ndetse no nyuma yo kuvanga igihe kirekire, bigatuma habaho flucculent solution cyangwa agglomeration. Uduce duto turatatana kandi tugashonga ako kanya nyuma yo kugera ku mazi kugira ngo habeho viscosity imwe.
Agaciro ka PH ka eteri ya hydroxypropyl methylcellulose (ingaruka zo gutinda cyangwa imbaraga za mbere)
Agaciro ka pH k’inganda zikora eteri ya hydroxypropyl methylcellulose mu gihugu no mu mahanga gagenzurwa hafi kuri 7, ari na ko kari mu mimerere ya aside. Kubera ko hakiri umubare munini w’impeta ya anhydroglucose mu miterere ya molekile ya eteri ya cellulose, impeta ya anhydroglucose ni yo itsinda nyamukuru ritera kudakora neza kwa sima. Impeta ya anhydroglucose ishobora gutuma iyoni za kalisiyumu mu gikoresho cyo gushyushya sima zikora imvange ya molekile ya sugar-calcium, ikagabanya ubwinshi bwa iyoni za kalisiyumu mu gihe cyo gushyushya sima, ikabuza iremwa n’imvura ya calcium hydroxide na calcium salt crystals, kandi igatinza inzira yo gushyushya sima. Niba agaciro ka PH kari mu mimerere ya alkaline, mortila izagaragara mu gihe cy’imbaraga za mbere. Ubu inganda nyinshi zikoresha sodium carbonate kugira ngo zihindure agaciro ka pH. Sodium carbonate ni ubwoko bw’ibikoresho byihuta byo gushyiraho. Sodium carbonate irushaho kunoza imikorere y’ubuso bw’uduce twa sima, igateza imbere guhuza hagati y’uduce, kandi ikongera ubukana bwa mortila. Muri icyo gihe, sodium carbonate yihuzwa vuba na iyoni za kalisiyumu muri mortila kugira ngo itere imbere ikorwa rya ettringite, kandi sima igafatana vuba. Bityo rero, agaciro ka pH kagomba guhindurwa hakurikijwe abakiriya batandukanye mu gikorwa nyacyo cyo gukora.
Imiterere y'umwuka wa Hydroxypropyl Methyl Cellulose Ether
Ingaruka zo guhumeka umwuka za eteri ya hydroxypropyl methylcellulose ahanini ziterwa nuko eteri ya cellulose nayo ari ubwoko bwa surfactant. Imikorere ya eteri ya cellulose ihurira ahanini n’aho gaze-liquid-solid interface. Ubwa mbere, hashyirwamo utubumbe tw’umwuka, hagakurikiraho gukwirakwira no kunywera. Eteri ya cellulose igizwe n’amatsinda ya alkyl, agabanya cyane imbaraga z’ubuso n’ingufu z’amazi, bigatuma byoroha gukora utubumbe twinshi duto dufunze mu gihe cyo gukurura amazi.
Imiterere ya Gel ya Hydroxypropyl Methyl Cellulose Ether
Nyuma yuko eteri ya hydroxypropyl methylcellulose ishongeshejwe muri mortilage, amatsinda ya methoxyl na hydroxypropyl ari ku ruhererekane rwa molekile azahura na iyoni za kalisiyumu na iyoni za aluminiyumu mu ruhererekane rw'amazi kugira ngo bikore gel ifite viscous hanyuma byuzuze motilage ya sima. , binoze uburyo mortilage ifatanye, bigire uruhare rwo kuzuza no gukomeza. Ariko, iyo matrix ya composite iri munsi y'umuvuduko, polymer ntishobora kugira uruhare rukomeye mu gushyigikira, bityo imbaraga n'uburyo mortilage igenda igabanuka.
Ikorwa rya filime ya Hydroxypropyl Methyl Cellulose Ether
Nyuma yo kongerwamo eteri ya hydroxypropyl methyl cellulose kugira ngo igire amazi, hagati y’uduce twa sima hakorwa urwego rworoshye rwa firime ya latex. Iyi firime igira ingaruka zo gufunga kandi ikongera ubushyuhe bw’ubuso bwa sima. Bitewe n’uko eteri ya hydroxypropyl methylcellulose igumana amazi meza, molekile z’amazi zihagije zibikwa muri sima, bityo bigatuma sima ikomera kandi imbaraga zayo zigakomera, yongera imbaraga zo gufatanya, kandi icyarimwe irushaho kunoza uburyo sima ifatana, ituma sima igira plasticity nziza kandi ikagira ubworoherane, kandi igabanya guhindagurika no guhindagurika kwa sima.
Igihe cyo kohereza: Gicurasi-23-2023