Meziwanye arụmọrụ nke ihe owuwu ụlọ - hydroxypropyl methylcellulose

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 dispersion nkwusioru , ndim, emulsifying, nkwụsi ike na adhesives, wdg, na enwere nnukwu oghere n'ahịa ụlọ.

A na-eji hydroxypropyl methylcellulose eme ihe n'ọtụtụ ebe na ụlọ ọrụ ihe owuwu dị ka onye na-emepụta ihe nkiri, onye na-ekekọta ihe, onye na-ekesa, stabilizer, thickener, onye na-akwalite mmiri, wdg, na ọ ghọọla ngwaahịa kpakpando nke dọtara mmasị kemgbe e wepụtara ya na akara.

Hydroxypropylmethylcellulose

Bekee n'uju aha: Hydroxypropyl Methyl Cellulose ndebiri Bekee: HPMC

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.

ihe owuwu ụlọ

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 dị ka:

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 (dispersion ogo 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.

ụlọ ọrụ ndị ọzọ

Ụlọ ọrụ ndị ọzọ na-agụnyekarị ihe ịchọ mma, mmepụta mmanụ, ihe ncha, seramiki ụlọ na ụlọ ọrụ ndị ọzọ.

mmiri soluble

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 ọdịnaya, ọ na-enwe mmetụta karịa ka mmiri ọzịza na soluble na itughari alkali na adịghị ike alkali.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.