Hydroxypropyl methylcellulose (HPMC maka mkpụmkpụ) bụ ihe dị mkpa agwakọta ether, nke bụ a na-abụghị ionic mmiri-soluble polymer, na ọtụtụ-eji na nri, ọgwụ, kwa ụbọchị chemical ụlọ ọrụ, mkpuchi, polymerization mmeghachi omume na-ewu dị ka mgbasa nkwusioru , ndim, emulsifying, nkwụsi ike na adhesives, wdg, na enwere nnukwu oghere n'ahịa ụlọ.
N'ihi na HPMC nwere magburu onwe Njirimara dị ka ndim, emulsification, film akpụ, echebe colloid, mmiri njigide, adhesion, enzyme eguzogide na metabolic inertness, ọ na-ọtụtụ-eji na coatings, polymerization mmeghachi omume, ụlọ ihe, mmanụ mmepụta, textiles, nri, ọgwụ. Seramik na-eji kwa ụbọchị, ngwa eletrọnịkị na mkpụrụ osisi na ngalaba ndị ọzọ.
Building ihe
N'ihe owuwu ụlọ, a na-agbakwunye HPMC ma ọ bụ MC na ciment, ngwa ngwa, na ngwa agha iji meziwanye ihe owuwu na njide mmiri.
Enwere ike iji HPMC na:
1).Ihe ntanye na ihe mkpuchi maka teepu ntanye nke dabeere na gypsum;
2).Njikọ nke brik dabeere ciment, taịl nile na ntọala;
3).stucco dabeere na plasterboard;
4).plasta nhazi nke dabeere na ciment;
5).Na usoro nke agba na agba agba.
Nrapado maka taịlị seramiiki
HPMC 15.3 akụkụ
Perlite 19.1 akụkụ
Fatty amides na cyclic thio ogige 2.0 akụkụ
Clay 95.4 akụkụ
Silica seasoning (22μ) 420 akụkụ
450.4 akụkụ mmiri
Ejiri ya na simenti jikọtara ya na brik inorganic, taịlị, okwute ma ọ bụ ciment:
HPMC (ogo nke dispersion 1.3) 0,3 akụkụ
Catelan ciment 100 akụkụ
Silica ájá 50 akụkụ
50 akụkụ mmiri
Ejiri ya dị ka ihe mgbakwunye simenti siri ike dị elu:
Catelan ciment 100 akụkụ
Asbestos 5 akụkụ
Ndozi mmanya polyvinyl 1 akụkụ
Calcium silicate akụkụ 15
Ụrọ 0,5 akụkụ
32 akụkụ mmiri
HPMC 0.8 akụkụ
Ụlọ ọrụ agba
N'ime ụlọ ọrụ agba, a na-ejikarị HPMC eme ihe na agba latex na ihe ndị na-agba mmiri resin dị ka ihe na-emepụta ihe nkiri, thickener, emulsifier na stabilizer.
Nkwusioru Polymerization nke PVC
Mpaghara nwere ngwaahịa HPMC kacha ukwuu na obodo m bụ nkwusioru polymerization nke vinyl chloride.Na nkwusioru polymerization nke vinyl chloride, usoro mgbasa ozi na-emetụta àgwà ngwaahịa PVC resin na nhazi ya na ngwaahịa;ọ nwere ike melite nkwụsi ike nke resin ma na-achịkwa nkesa nha nha (ya bụ, gbanwee njupụta nke PVC).Ọnụ ego nke HPMC bụ 0.025% ~ 0.03% nke mmepụta PVC.
The PVC resin kwadebere site elu-edu HPMC, na mgbakwunye na n'ịhụ na arụmọrụ osobo ọkọlọtọ mba, nwekwara ezi anụ ahụ Njirimara, magburu onwe urughuru àgwà na magburu onwe agbaze rheological omume.
Oụlọ ọrụ ha
Ụlọ ọrụ ndị ọzọ na-agụnyekarị ihe ịchọ mma, mmepụta mmanụ, ihe ncha, seramiki ụlọ na ụlọ ọrụ ndị ọzọ.
Wsoluble
HPMC bụ otu n'ime polymers soluble mmiri, na mmiri solubility ya metụtara ọdịnaya nke metoxyl otu.Mgbe ọdịnaya nke methoxyl dị ala, enwere ike ịgbaze ya na alkali siri ike ma ọ nweghị ebe ikuku thermodynamic.Site na mmụba nke methoxyl, ọ na-enwe mmetụta karịa ka mmiri na-agbaze na soluble na alkali na-adịghị ike na alkali na-adịghị ike.Mgbe ọdịnaya methoxyl dị> 38C, enwere ike ịgbaze ya na mmiri, a pụkwara ịgbaze ya na hydrocarbons halogenated.Ọ bụrụ na agbakwunyere acid periodic na HPMC, HPMC ga-agbasa ngwa ngwa n'ime mmiri na-emepụtaghị ihe na-esi ísì ụtọ.Nke a bụ n'ihi n'eziokwu na acid periodic nwere dihydroxyl dị iche iche na ọnọdụ ortho na glycogen gbasasịrị.
Oge nzipu: Dec-07-2022