I-HPMC okanye i-hydroxypropyl methylcelcelcelose yindawo esetyenziswayo kwimizi-mveliso eyahlukeneyo kubandakanya amayeza, cosmetics nolwakhiwo. Nantsi imibuzo ebuzwa rhoqo malunga ne-HPMC:
Yintoni i-hypromellose?
I-HPMC yi-polymer yokwenziwa yenziwe kwi-sellyulose, into yemvelo efumaneka kwizityalo. Yenziwe ngokutshintsha imichiza nge-sellyl kunye ne-methyl kunye namaqela e-hydroxypropy ukuze benze umgubo onyibilikisi amanzi.
Yintoni i-HPMC?
I-HPMC inoluncedo oluninzi kumashishini ahlukeneyo. Kumzi-mveliso wamachiza, isetyenziswa njengendawo yokubhabha, i-thickener kunye ne-emulsifier yeetafile, iicapsules kunye neoyile. Kumzi-mveliso we-cosmetic, isetyenziswa njenge-thi checker, i-emulsifier kunye nokuzinza kwiikhrim, i-lotions kunye nokwenza-up. Kumzi-mveliso wokwakha, isetyenziswa njenge-binder, i-thickener kunye nearhente yokugcina amanzi kwisamente kunye nodaka.
Ngaba ii-HPMCs zikhuselekile?
I-HPMC ithathelwa ingqalelo ikhuselekile kwaye ingenatyhefu. Isetyenziswe ngokubanzi kumashishini amayeza kunye ne-cosmetic apho lukhuseleko nococeko lubaluleke kakhulu. Nangona kunjalo, njengayo nayiphi na imichiza, kubalulekile ukuphatha i-HPMC ngononophelo kwaye ulandele amanyathelo okhuseleko.
Ngaba i-HPMCI BIBDODRADE
I-HPMC yi-biodegradable kwaye inokuqhekezwa ziinkqubo zendalo ngokuhamba kwexesha. Nangona kunjalo, izinga le-biodegradition lixhomekeke kwizinto ezahlukeneyo ezifana nobushushu, umzkisi kunye nobukho bamantshontsho.
Ngaba i-HPMC ingasetyenziswa ekutyeni?
I-HPMC ayivunyelwanga ukusetyenziswa kukutya kwamanye amazwe, kubandakanya neUnited States. Nangona kunjalo, kuyamkelwa njengokutya kokutya kwamanye amazwe afana neJapan neChina. Isetyenziswa njenge-thi cokener kunye ne-stabimizer kwezinye ukutya, njenge-ice cream kunye nempahla ebhakiweyo.
Yenziwa njani i-HPMC?
I-HPMC yenziwa ngokutshintsha imichiza, into yendalo efumaneka kwizityalo. I-seluplose iqala ukuphathwa ngesisombululo sealkaline ukususa ukungafezekisi kwaye senze ukuba sisebenze ngakumbi. Iphinda iphendule ngomxube we-methyl chloride kwaye i-proplene oxide ye-HPMC.
Ngawaphi amabanga ahlukeneyo e-HPMC?
Kukho amabakala amaqela e-HPMC, nganye ineepropathi ezahlukeneyo kunye neepropathi. Amabakala asekwe kwizinto ezinje ngobunzima bemolekyuli, inqanaba lokufakwa endaweni, kunye nobushushu be-gesing. Amabakala ahlukeneyo e-HPMC asetyenziswa kwizicelo ezahlukeneyo kumashishini ahlukeneyo.
Ngaba i-HPMC ingadityaniswa nezinye iichemicals?
I-HPMC inokudityaniswa nezinye iichemicals zokuvelisa iipropathi ezahlukeneyo kunye neempawu. Ihlala idityaniswe nezinye iipolikhi ezinjenge-polyvinylpylpylidone (i-pvp) kunye ne-Polythylene Glythlic (i-PEG) yokuphucula iipropathi zayo ezibophelelayo kunye nezixhobo ezinamabala.
Igcinwe njani i-HPMC?
I-HPMC kufuneka igcinwe kwindawo epholileyo, eyomileyo kude ne-monsm kunye nokukhanya kwelanga ngqo. Ifanele igcinwe kwisitya somoya ukukhulisa ungcoliseko.
Zeziphi izibonelelo zokusebenzisa i-HPMC?
Izibonelelo zokusebenzisa i-HPMC zibandakanya ukusebenzisana, ukuzola kwamanzi, kunye nokungasebenzi. Ikwayityhefu, izinzile, kwaye ihambelana nezinye iichemicals ezininzi. Ngokutshintsha inqanaba lokufakwa endaweni kunye nobunzima bemolekyuli, iipropathi zalo zinokuguqulwa ngokulula, zenza ilungele ukusetyenziswa kwezicelo ezahlukeneyo.
Ixesha leposi: Jun-19 ukuya ku-2023