Hydroxypropyl methylcellulose (HPMC) bụ ether cellulose na-abụghị ionic nke sitere na cellulose polymer eke sitere na usoro kemịkalụ.HydroxypropylmethylcelluloseHPMC) bụ ihe na-esi ísì ụtọ, nke na-enweghị ụtọ, ntụ ntụ na-adịghị egbu egbu nke nwere ike igbari na mmiri oyi iji mepụta ngwọta viscous na-egbuke egbuke.Ọ nwere ihe onwunwe nke ndim, njide, na-achụsasị, emulsifying, film-akpụ, suspending, adsorbing, gelling, elu-arụ ọrụ, ịnọgide na-enwe mmiri mmiri na-echebe colloid.
A na-eji HPMC eme ihe n'ọtụtụ ebe na ihe owuwu, mkpuchi, resins sịntetik, ceramik, ọgwụ, nri, textiles, ọrụ ugbo, ihe ịchọ mma, ụtaba na ụlọ ọrụ ndị ọzọ.Enwere ike ikewa HPMC gaa na ọkwa ihe owuwu, ọkwa nri na ọkwa ọgwụ dịka ebumnuche siri dị.Ka ọ dị ugbu a, ọtụtụ n'ime ngwaahịa ụlọ bụ ọkwa ihe owuwu.Na ọkwa ihe owuwu, a na-eji ntụ ntụ na-eme ihe na nnukwu ego, ihe dịka 90% na-eji ntụ ntụ eme ihe, ndị ọzọ na-eji ciment mortar na gluu.
Cellulose ether bụ ihe na-abụghị ionic semi-synthetic elu molekul polymer, nke bụ mmiri-soluble na ihe mgbaze-soluble.
Mmetụta nke ụlọ ọrụ dị iche iche kpatara dị iche iche.Dịka ọmụmaatụ, n'ihe eji arụ ụlọ kemịkalụ, ọ nwere mmetụta ndị a:
① Onye na-ejigide mmiri, ②Ọkpụrụkpụ, ③ Ihe na-emeziwanye ihe, ④ Ihe na-emepụta ihe nkiri, ⑤ Ihe mkpuchi
Na ụlọ ọrụ polyvinyl chloride, ọ bụ emulsifier na onye na-ekesa;na ụlọ ọrụ na-emepụta ọgwụ, ọ bụ ihe nkedo na ngwa ngwa na-achịkwa ihe ntọhapụ, wdg N'ihi na cellulose nwere mmetụta dị iche iche nke mgbagwoju anya, ngwa ya Akụ ahụ bụkwa nke kachasị ukwuu.Na-esote, m ga-elekwasị anya na ojiji na ọrụ nke cellulose ether dị iche iche ihe ụlọ.
Ngwa in mgbidiputty
N'ime ntụ ntụ putty, HPMC na-arụ ọrụ atọ nke ịgbara mmiri, njigide mmiri na ihe owuwu.
Ọkpụkpụ: Enwere ike ịgbatị cellulose ka ọ kwụsịtụ ma mee ka ngwọta ya bụrụ otu elu na ala, ma guzogide ịda mbà n'obi.
Mwube: Cellulose nwere mmetụta mmanu mmanu, nke nwere ike ime ka uzuzu putty nwee ezigbo ihe owuwu.
Ngwa na ngwa ngwa ngwa ngwa
Ngwa ngwa a kwadebere na-agbakwunyeghị thickener na-ejigide mmiri nwere nnukwu ike mkpakọ, mana ihe onwunwe na-adịghị mma nke na-ejide mmiri, ịdị nro, ịdị nro, ọbara ọgbụgba siri ike, adịghị arụ ọrụ na-adịghị mma, na n'ụzọ bụ isi enweghị ike iji ya.Ya mere, ihe na-eme ka mmiri sie ike bụ ihe dị mkpa nke ngwa ngwa agwakọtara.Na ngwa ngwa ihe, a na-ahọrọ hydroxypropyl methyl cellulose ma ọ bụ methyl cellulose, na ọnụ ọgụgụ njide mmiri nwere ike ịbawanye karịa 85%.Usoro eji eme ihe na ngwa ngwa bụ ịgbanye mmiri mgbe agwakọtara ntụ ntụ akọrọ.Njide mmiri dị elu nwere ike ime ka ciment mee ka mmiri dị ọcha.Mbara nkekọ ike nke ọma.N'otu oge ahụ, enwere ike imeziwanye ike nhịahụ na ike nke ọma.Meziwanye mmetụta ihe owuwu ma melite arụmọrụ ọrụ.
Ngwa na nrapado tile
1. Hydroxypropyl methylcellulose tile nrapado na-pụrụ iche iji zọpụta mkpa ọ dị tupu-idek na taịl nile na mmiri.
2. Standardized mado na ike
3. The mado ọkpụrụkpụ bụ 2-5mm, na-azọpụta ihe na ohere, na-amụba ihe ndozi ohere
4. The ikenye teknuzu chọrọ maka ndị ọrụ na-adịghị elu
5. Ọ dịghị mkpa iji dozie ya na cross plastic clips, mado agaghị ada ala, na adhesion siri ike.
6. A gaghị enwe oke slurry na nkwonkwo brik, nke nwere ike izere mmetọ nke elu brik.
7. Enwere ike ijikọta ọtụtụ taịlị seramiiki ọnụ, n'adịghị ka otu akụkụ nha nke ụrọ ciment rụọ.
8. Ọsọ ọsọ na-ewu ngwa ngwa, ihe dị ka ugboro 5 ngwa ngwa karịa ngwa ngwa ciment, na-echekwa oge na imeziwanye arụmọrụ ọrụ.
Ngwa dị na onye na-ahụ maka caulking
Mgbakwunye nke cellulose ether na-eme ka ọ bụrụ ihe dị mma n'akụkụ ọnụ, nkwụsịtụ dị ala na nkwụsị nke abrasion dị elu, nke na-echebe ihe ndabere site na mmebi ngwaọrụ ma na-ezere mmetụta ọjọọ nke ntinye mmiri na ụlọ dum.
Ngwa n'ime ihe na-edozi onwe ya
Gbochie ọbara ọgbụgba:
Na-arụ ọrụ dị mma na nkwusioru, na-egbochi ntinye slurry na ọbara ọgbụgba;
Nọgide na-agagharị na:
Obere viscosity nke ngwaahịa anaghị emetụta eruba nke slurry ma dị mfe iji rụọ ọrụ.Ọ nwere ụfọdụ njide mmiri ma nwee ike ịmepụta mmetụta dị mma n'elu mgbe ọ na-emeziwanye onwe ya iji zere mgbawa.
Ngwa ngwa mkpuchi mkpuchi mgbidi dị n'èzí
N'ime ihe a, cellulose ether na-arụ ọrụ nke njikọta na ịbawanye ike, na-eme ka ngwa agha dị mfe ịkwanye ma na-emeziwanye arụmọrụ ọrụ.N'otu oge ahụ, ọ nwere ikike iguzogide nkwudo.Mgbochi mgbawa, melite ogo elu, welie ike nkekọ.
Mgbakwunye nke hydroxypropyl methylcellulose nwekwara mmetụta dị nwayọọ nwayọọ na ngwakọta ngwa agha.Site na mmụba nke ego HPMC, a na-agbatị oge nhazi nke ngwa agha ahụ, na ego nke HPMC na-abawanyekwa ya.Oge nhazi nke ngwa agha a kpụrụ n'okpuru mmiri dị ogologo karịa nke a kpụrụ na ikuku.Njirimara a dị mma maka ịgbapụta ihe n'okpuru mmiri.Ngwa ngwa ciment ọhụrụ agwakọta ya na hydroxypropyl methylcellulose nwere ezigbo ihe jikọrọ ọnụ na ọ fọrọ nke nta ka ọ bụrụ enweghị mmiri na-agbapụta.
Ngwa na ngwa ngwa gypsum
1. Meziwanye mgbasawanye nke gypsum base: E jiri ya tụnyere hydroxypropyl methylcellulose ether yiri ya, ọnụ ọgụgụ mgbasa na-abawanye nke ukwuu.
2. Ngwa ngwa na usoro onunu ogwu: ìhè ala plasta gypsum, usoro a na-atụ aro bụ 2.5-3.5 kg / ton.
3. Ọmarịcha ihe mgbochi na-adịghị mma: ọ dịghị sag mgbe a na-etinye ihe owuwu nke otu ngafe na akwa akwa, ọ dịghị sag mgbe etinyere ihe karịrị ụzọ abụọ (karịa 3cm), plasticity magburu onwe ya.
4. Magburu onwe constructability: mfe na-eji ire ụtọ mgbe nghọta, nwere ike kpụrụ n'otu oge, na nwere plasticity.
5. Ọnụego njide mmiri dị mma: gbatịkwuo oge ọrụ nke gypsum base, melite nguzogide ihu igwe nke gypsum base, mee ka ike nke njikọ dị n'etiti gypsum base na ala oyi akwa, ọmarịcha ọrụ njikọ mmiri, ma belata ash ọdịda.
6. Nkwekọrịta siri ike: Ọ dị mma maka ụdị gypsum dị iche iche, na-ebelata oge nkwụsị nke gypsum, na-ebelata ọnụ ọgụgụ ihicha ihicha, na mgbidi mgbidi adịghị mfe oghere na ịgbawa.
Ngwa nke onye ọrụ interface
Hydroxypropylmethylcellulose (HPMC) na hydroxyethylmethylcellulose (HEMC) bụ ihe eji ewu ụlọ,
Mgbe etinyere ya dị ka onye nnọchi anya interface maka mgbidi ime na mpụta, ọ nwere njirimara ndị a:
- Ọ dị mfe ịgwakọta na-enweghị lumps:
Site na ijikọta na mmiri, esemokwu ahụ n'oge usoro ihicha na-ebelata nke ukwuu, na-eme ka ngwakọta dị mfe ma na-echekwa oge ngwakọta;
- Ezigbo njide mmiri:
N'ụzọ dị ịrịba ama na-ebelata mmiri nke mgbidi na-etinye n'ime ya.Njide mmiri dị mma nwere ike hụ na ogologo oge nkwadebe nke ciment, na n'aka nke ọzọ, ọ nwekwara ike hụ na ndị ọrụ nwere ike ikpochapụ mgbidi putty ọtụtụ ugboro;
- Nkwụsi ike na-arụ ọrụ nke ọma:
Njide mmiri dị mma na ọnọdụ okpomọkụ dị elu, kwesịrị ekwesị maka ịrụ ọrụ n'oge okpomọkụ ma ọ bụ ebe ọkụ.
- Mmụba mmiri chọrọ:
N'ụzọ dị ịrịba ama na-abawanye ọchịchọ mmiri nke ihe ndị na-emepụta ihe.Ọ na-abawanye oge ọrụ nke putty na mgbidi, n'aka nke ọzọ, ọ nwere ike ịbawanye ebe mkpuchi nke putty ma mee ka usoro ahụ dịkwuo mma.
Ngwa na gypsum
Ka ọ dị ugbu a, ngwaahịa gypsum a na-ahụkarị bụ plasta gypsum, gypsum bonded, gypsum inlaid, na nrapado tile.
Gypsum plasta bụ ihe nkedo dị elu maka mgbidi dị n'ime ụlọ na elu ụlọ.Mgbidi mgbidi a na-etinye ya na ya dị mma ma dị mma, ọ dịghị atụfu ntụ ntụ, na-ejikọta ya na isi, ọ dịghị ihe mgbawa ma daa, ma nwee ọrụ ọkụ;
Adhesive gypsum bụ ụdị nrapado ọhụrụ maka iwu ụlọ ọkụ.Ejiri gypsum mee ya dị ka ihe ndabere na ihe mgbakwunye dị iche iche.
Ọ dabara maka njikọta n'etiti ihe mgbidi ụlọ inorganic dị iche iche.Ọ nwere njirimara nke anaghị egbu egbu, enweghị ụtọ, ike mmalite na ntọala ngwa ngwa, yana njikọ siri ike.Ọ bụ ihe na-akwado maka ụlọ ụlọ na ngọngọ ụlọ;
Gypsum caulk bụ oghere dị n'etiti bọọdụ gypsum na ihe ndozi maka mgbidi na mgbawa.
Ngwaahịa gypsum ndị a nwere usoro ọrụ dị iche iche.Na mgbakwunye na ọrụ gypsum na ihe ndị yiri ya, isi okwu bụ na ihe mgbakwunye cellulose ether agbakwunyere na-arụ ọrụ na-eduga.N'ihi na gypsum na-ekewa n'ime gypsum anhydrous na hemihydrate gypsum, gypsum dị iche iche nwere mmetụta dị iche iche na arụmọrụ nke ngwaahịa ahụ, ya mere mgbochi, njide mmiri na retardation na-ekpebi àgwà nke ihe ụlọ gypsum.Nsogbu nkịtị nke ihe ndị a bụ oghere na mgbawa, na ike mbụ enweghị ike iru.Iji dozie nsogbu a, ọ bụ ịhọrọ ụdị cellulose na usoro eji eme ihe nke retarder.N'akụkụ a, a na-ahọrọkarị methyl ma ọ bụ hydroxypropyl methyl 30000.-60000cps, ego agbakwunyere dị n'etiti 1.5 ‰-2‰, a na-ejikarị cellulose eme ihe maka njigide mmiri na retarding lubrication.
Otú ọ dị, ọ gaghị ekwe omume ịdabere na cellulose ether dị ka onye na-azụ azụ, ọ dịkwa mkpa ịgbakwunye citric acid retarder iji jikọta ma jiri ya mee ihe na-enweghị emetụta ike mbụ.
Njide mmiri n'ozuzu na-ezo aka na mmiri ole a ga-efunahụ n'onwe ya na-enweghị mmịnye mmiri dị na mpụga.Ọ bụrụ na mgbidi ahụ dị oke nkụ, mmịpụta mmiri na ikuku ikuku dị n'elu ala ga-eme ka ihe ahụ na-efunahụ mmiri ngwa ngwa, oghere na mgbawa ga-emekwa.
A na-ejikọta usoro eji eme ihe na ntụ ntụ.Ọ bụrụ na ị kwadebere ngwọta, biko rụtụ aka na usoro nkwadebe nke ngwọta.
Ngwa na agba latex
Na ụlọ ọrụ agba latex, a ga-ahọrọ hydroxyethyl cellulose.Nkọwapụta izugbe nke viscosity ọkara bụ 30000-50000cps, nke kwekọrọ na nkọwapụta nke HBR250.Ntụaka usoro onunu ogwu bụ n'ozuzu banyere 1.5‰-2‰.Isi ọrụ nke hydroxyethyl na agba latex bụ ịgbatị, gbochie gelation nke pigmenti, nyere aka mgbasa nke pigmenti, nkwụsi ike nke latex, na ịbawanye viscosity nke ihe ndị ahụ, nke na-enye aka maka ịrụ ọrụ larịị nke ihe owuwu ahụ. .
Oge nzipu: Dec-13-2022