Gxila kwi-selulose

Zithini izinto ezibangela ubunyulu be-hydroxypropyl methyl sellise?

Kummandla ofuduselayo, udaka lwe-inshurensi, ubukhulu becala, ubukhulu be-hydroxypropyl methylcelcelose icocekile ngqo ichaphazela ngokuthe ngqo umgangatho wolwakhiwo lwezobunjineli, yintoni echaphazela ubunyulu be-hydylcelcelcelcelcelcelcelcelcelcelcelcelcelcelcelcelcelcelcelcelcelcelcelceluplose? Ukukunceda uphendule lo mbuzo namhlanje.

Kwinkqubo yemveliso ye-hydroxypropyl methylceluplose, ioksijini eseleyo kwi-ketele yokuphendula iya kukhokelela ekungcoleni kwe-hydropyl i methylceluplose kwaye inciphise ubunzima bemolekyuli. Nangona kunjalo, ioksijini yentsalela inomda, ngenxa yoko akukho nzima ukubuyisela iimolekyuli ezaphukileyo. Eyona nqanaba le-sander lote kunye nomxholo we-hydroxypropy unolwalamano oluhle, ezinye zeefektri zifuna nje ukunciphisa iindleko kunye nexabiso, musa ukufuna ukuphucula umxholo we-hydroxypropy, ngoko ke umgangatho awukwazi ukufikelela kwinqanaba lemveliso yangaphandle.

Iqondo lokugcina amanzi le-hydroxypropyl methylcelgulose kunye ne-hydroxypropy ye-Hydropyl ikwanobudlelwane obukhulu, kunye nenkqubo yonke yokuphendula, i-Hydroxypropyl Methylcelcelsulose ye-hydylcelsele. Iziphumo zokuphumelela, umyinge we-chloromethane oxide, uxinezeleko lwe-Alkali kunye nomlinganiselo wamanzi kwikotoni ehlaziyiweyo yonke i-cotton yonke ichonge ukusebenza kwemveliso.

Umgangatho wezinto ezingafunekiyo, iziphumo ze-alkalizal, inkqubo yenkqubo yokucoca, ukulungisa ukungathathi cala, yonke i-hydroxypropy, i-HydroxyPropy ye-Methyl Selly inamafu, i-tyheli emhlophe, ezinye icacile kwaye ibonakale. Ukuba ufuna ukuyicombulula, uhlengahlengise kwezi zinto zingasentla. Ngamanye amaxesha i-acetic acid inokuchaphazela kakhulu ukuguqula, i-acetic acid yeyona nto isetyenziswayo emva kokutyibilika, eyona ndlela ishukumisayo okanye indlela yokuqalisa, umxholo awuzinzanga, Ngapha koko, izinto ezininzi ziyachaphazeleka. Ngokuzinza kwezixhobo kunye nokusebenza kwabaqhubi abaqeqeshiweyo, iimveliso ezivelisiweyo kufuneka zizinzile kakhulu. Ukudluliselwa akufuneki kudlule kwi ± 2%, kunye nokufakwa endaweni yeqela eliphantsi kufuneka kulawulwe kakuhle. Ukufakwa endaweni ye-iyunifomu, ukuhambisa kufuneka kube kuhle.

Ke ngoko, umgangatho olungileyo wemveliso umiselwa zizixhobo ezingafunekiyo, itekhnoloji yemveliso, kunye nezinye izinto. Kuphela kulawulo olungqongqo ukusuka kwelinye icala ukuya esiphelweni kunokuvelisa iimveliso ngomgangatho ozinzileyo.


Ixesha lokuposa: Sep-14 ukuya ku-200222
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