HPMC Hydroxypropyl methyl cellulose, makwaara dị ka hydroxypropyl methyl cellulose ether (HPMC), cellulose hydroxypropyl methyl ether, bụ nhọrọ nke ukwuu dị ọcha owu cellulose dị ka akụrụngwa, n'okpuru alkaline ọnọdụ site pụrụ iche etherification na nkwadebe.
Hydroxypropyl methyl cellulose HPMC eji na-ewu, cellulose ether kwukwara ego bụ nnọọ ala, ma nwere ike budata melite arụmọrụ nke mmiri ngwa agha, ngwa agha na-arụ ọrụ bụ isi ihe mgbakwunye.Ugbu a, hydroxypropyl methyl cellulose eji na akọrọ ngwa agha cellulose ether bụ tumadi hydroxypropyl methyl cellulose ether (HPMC).Hydroxypropyl methyl cellulose na-ewu akọrọ ngwa agha HPMC tumadi ekere òkè na mmiri njide, ndim, mma ewu arụmọrụ.
1, ngwa agha plasta ngwa agha
Njide mmiri dị elu nwere ike ime ka ciment nweta mmiri zuru oke, na-abawanye ike nkekọ nke ọma, ma nwee ike imeziwanye ike nkwụsị na ike ịkwa akwa, na-eme ka mmetụta ụlọ dịkwuo mma, melite arụmọrụ ọrụ.
2, mmiri na-eguzogide putty
Na putty HPMC hydroxypropyl methyl cellulose ether tumadi na-arụ ọrụ nke mmiri njigide, bonding na lubrication, iji zere ihe omume nke cracks na akpịrị ịkpọ nkụ kpatara oke mmiri mmiri ọnwụ, na welie adhesion nke putty, belata onu nke eruba nghọta na. ihe owuwu ahụ, nke mere na ihe owuwu ahụ dị ntakịrị.
3, agba usoro gypsum
Na gypsum usoro nke ngwaahịa HPMC hydroxypropyl methyl cellulose ether tumadi na-egwu mmiri njigide, dịkwuo lubrication na mmetụta ndị ọzọ, n'otu oge ahụ nwere a ụfọdụ egbu oge mmetụta, iji dozie ihe owuwu usoro drum cracking, mbụ ike bụghị ruo nsogbu, nwere ike ogologo oge. oge ọrụ.
4, onye ọrụ interface
A na-ejikarị ya eme ihe dị ka thickener, ọ nwere ike imeziwanye ike nkwụsị na ike ịkpụ, melite mkpuchi elu, welie adhesion na ike njikọ.
5, ngwa agha mkpuchi mpụga
HPMC Hydroxypropyl methyl cellulose, cellulose ether na ihe na-elekwasị anya bonding, dịkwuo ike, na-eme ka ọ dị mfe maka ngwa agha mkpuchi, melite ọrụ arụmọrụ, n'otu oge ahụ bụ ihe vetikal eruba-eguzogide, elu mmiri njigide arụmọrụ nwere ike ịgbatị oge na-arụ ọrụ nke ngwa agha, melite shrinkage na thermal ike ọgwụgwụ na-eguzogide, melite elu mma, melite bonding ike.
6, ihe nkedo seramiiki
High mmiri njide ike tupu sook ma ọ bụ mmiri seramiiki tile na isi, budata mma ya nkekọ ike, slurry nwere ike ogologo-ewu okirikiri, siri, edo, adaba ewu, na nwere ezi iguzogide mmiri.
7, onye na-ejuputa ọnụ mmiri, onye na-ejikọta ọnụ
Mgbakwunye nke hydroxypropyl methyl cellulose HPMC cellulose ether na-eme ka ọ dị mma nchikota onu, obere shrinkage na akwa mkpuchi akwa, na-echebe ihe ndabere site na mmebi n'ibu, iji zere mmetụta nke infiltration na ụlọ dum.
8, ihe eji eme onwe ya
Hydroxypropyl methyl cellulose cellulose ether kwụsiri ike njikọ iji hụ na ezigbo mmiri mmiri na ikike imeziwanye onwe ya, na-achịkwa ọnụego njigide mmiri ka o wee nwee ike ịgbatị ngwa ngwa, belata mgbawa na nkwekọrịta.
9. Agba latex
Hydroxypropyl methyl cellulose na mkpuchi ụlọ ọrụ cellulose ether dị ka film-bụbu, ndim gị n'ụlọnga, emulsifier na stabilizer eji, na-eme ka ọ nwere ezi abrasion eguzogide, mkpuchi, nrapado, na-eme ka qualitative nke PH uru nke elu esemokwu, na organic ihe mgbaze ngwakọta mmetụta. Ọ ka mma, arụmọrụ Gao Baoshui na-eme ka ọ nwee ezigbo ahịhịa na ihe na-asọpụta.
10. seramiki mmiri ara ehi
N'ime ceramics ọhụrụ ebuanu, a na-enye billet mmanu mmanu, njide mmiri na nkwalite ike.
Ngwaahịa usoro hydroxypropyl methyl cellulose dị mma nwere ike dozie nsogbu nke njigide mmiri n'okpuru okpomọkụ dị elu.N'oge okpomọkụ dị elu, karịsịa na ebe a na-ekpo ọkụ ma na-ekpo ọkụ na nke dị nro na-ewu n'akụkụ anwụ na-acha, a chọrọ HPMC dị elu iji meziwanye njide mmiri nke slurry.HPMC dị elu, ịdị n'otu dị mma nke ukwuu, methoxy na hydroxypropyl dị iche iche tinyere nkesa cellulose molecular chain, nwere ike melite hydroxyl na ether bond na oxygen atom na mmiri mkpakọrịta hydrogen njikọ ike, mee ka mmiri n'efu n'ime mmiri jikọtara ọnụ, ka ọ rụọ ọrụ nke ọma. na-achịkwa evaporation nke mmiri nke ihu igwe dị elu na-akpata, iji nweta nnukwu njigide mmiri.
High mma nke hydroxypropyl methyl cellulose nwere ike uniformly na n'ụzọ dị irè gbasasịa na ciment ngwa agha na plasta ngwaahịa, na ngwugwu niile siri ike ahụ, na-etolite a oyi akwa nke wetting film, na mmiri na isi ruo ogologo oge ji nwayọọ nwayọọ tọhapụrụ, na inorganic cementitious ihe hydration mmeghachi omume. , ka iji hụ na ike nkekọ na mkpakọ ike nke ihe.Ya mere, na elu okpomọkụ na-ewu okpomọkụ, iji nweta mmetụta nke nchekwa mmiri, dị ka usoro iji gbakwunye ngwaahịa HPMC dị elu, ma ọ bụghị ya, a ga-enwe ihicha ngwa ngwa kpatara hydration ezughi oke, mbelata ike, mgbawa, oghere oghere na ịdapụ na nsogbu ndị ọzọ dị mma, ma na-abawanye ihe isi ike nke ndị ọrụ na-ewu ụlọ.Ka okpomọkụ na-ebelata, a pụrụ iji nwayọọ nwayọọ belata ọnụ ọgụgụ nke HPMC, na otu mmetụta njigide mmiri nwere ike nweta.
Oge nzipu: Jan-10-2022