chemical hpmc hydroxypropyl methyl cellulose eji na-ewu CAS 9004-65-3
Hydroxypropyl methyl cellulose (HPMC)
Ọdịdị : Mmiri ara ehi na-acha ọcha ma ọ bụ ntụ ntụ ọcha
Carbonization okpomọkụ: 280-300 %
Okpomọkụ agba: 190-200 %
Oke urughuru: 100 ntupu ngafe ọnụego karịrị 98.8%; 80 ntupu ngafe ọnụego 99.9%; The urughuru size nke pụrụ iche nkọwa bụ 40-60 ntupu
Njupụta pụtara ìhè: 0.25-0.70g/cm (na-emekarị ihe dịka 0.5g/cm), ike ndọda: 1.26-1.31
Solubility: soluble na mmiri na ụfọdụ ihe mgbaze, dị ka nha kwesịrị ekwesị nke ethanol / mmiri, propanol / mmiri. Ihe ngwọta mmiri nwere ọrụ elu, nghọta dị elu na arụmọrụ kwụsiri ike.
Hydroxypropyl methyl cellulose, makwaara dị ka hydroxypropyl methyl cellulose, eriri ngwugwu hydroxypropyl methyl ether, bụ nhọrọ nke ukwuu dị ọcha eriri eriri dị ka akụrụngwa n'okpuru alkaline ọnọdụ site pụrụ iche.
etherification na nkwadebe.It nwere àgwà nke ndim ike, nnu-eguzogide, ala uyi ọdịnaya, PH kwụsie ike, mmiri njigide, akụkụ kwụsie ike, magburu onwe film akpụ, na nnukwu mildew iguzogide,
dispersibility na adhesion.
Ụlọ ọrụ ihe owuwu
1. Ngwa ngwa ciment
2.Ceramic tile ciment
3.Asbestos na mkpuchi refractory ndị ọzọ: dị ka onye nkwusioru, mmiri na-eme ka ọ dịkwuo mma, ma na-eme ka adhesion nke mkpụrụ ahụ dịkwuo mma.
4.Gypsum coagulant slurry: melite njigide mmiri na ịrụ ọrụ, meziwanye adhesion na mkpụrụ.
5.Joint ciment: agbakwunyere na ciment nkwonkwo ala maka bọọdụ gypsum iji meziwanye mmiri na njigide mmiri.
