HPMC (HydroxyPropyl methylcellus, hydroxyPropyl methylcellsellse) ni ibikoresho bya polymer bikoreshwa cyane mumwanya wa coatant. Uruhare rwarwo muri coatings rugaragarira ahanini mubice bikurikira:
1.. THE THECKER
HPMC nuwihuta cyane bushobora kongera ubukwe bwibikoresho byo gukorerwa, bityo bigatuma imikorere yacyo. Mu bitwi, HPMC ihindura ibintu byimiterere yo gupfukirana mugukora uruganda rukora urushyi kugirango wirinde guswera gutema cyangwa guhindagurika mugihe cyo gushushanya cyangwa gutera. Ifite intera nini kandi ibereye ibyo akeneye.
2. Umukozi wa firime
HPMC ifite imitungo myiza ya firime kandi irashobora gukora firime imwe hejuru ya substrate. Imyenda yashizweho ya firime ifite ubushishozi bwiza, guhinduka no kuramba, bishobora kuzamura ubushobozi bwo gutwika kugirango turinde ibidukikije byo hanze. Uyu mutungo ukoreshwa cyane mumatwi yubwubatsi no kurengera.
3. Gufunga amazi no kugenzura
Kugumana amazi menshi bya HPMC nibyungu byingenzi mubice. Irashobora gutinza guhumeka mumazi mugihe cyo gusaba, bityo twirinde gucika intege cyangwa gucika intege nabi byatewe no gukama imburagihe cya firime. Byongeye kandi, uyu mutungo utezimbere imikorere yo gusaba, cyane cyane mubidukikije cyangwa byumye, gutanga ibihe bishaje.
4. Stabilizer
HPMC irashobora gukoreshwa nkibiterankunga byo gutangiza kugirango wirinde pigments hamwe nuzuza gutura cyangwa gukurura mugihe cyo kubika cyangwa gukoresha. Mugutezimbere gushikama, urashobora kwagura ubuzima bwagaciro kandi urebe imikorere ihamye iyo ushyizwe.
5. Imikorere yo kurwanya SUG-SAG
Mugihe wubaka hejuru yihishe, irangi rikunda kunyeganyega kubera uburemere. HPMC ihindura ibintu byimiterere yimpimbano kugirango bigaragaze ubushishozi bwo hejuru mugihe hashyizweho stactity hamwe nisuka yo hasi (nko gukaza cyangwa gutera imbere. .
6. Gutezimbere imikorere yubwubatsi
HPMC itanga uburyo bwiza bwo gukwirakwira no kwihitiramo, igabanya igisekuru cyo gukaraba cyangwa ibituba, hanyuma bigatuma hejuru yimpimbano byoroshye. Byongeye kandi, irashobora kunoza thixtropy ya coatoings, gukora ibikoresho cyangwa gutera ibikorwa byinshi-kuzigama kandi neza.
7. Ubucuti bw'ibidukikije
HPMC ni polymer-polymer ifata amazi meza nibidukikije. Muri sisitemu ishingiye ku bikoresho bishingiye ku mazi, HPMC ntishobora gusimbuza gusa umusaruro gakondo, kugabanya neza imyuka y'ibinyabuzima bihindagurika (VOC), ariko nanone bujuje ibidukikije bisabwa ibidukikije.
Ibisanzwe bisanzwe
HPMC ikoreshwa cyane mumatwi yubwubatsi, amababi yurukuta, amata atagira amazi hamwe ninganda. Cyane cyane mumirima yifu yifumbire ndende, ibikoresho byo kwishyira hejuru hamwe na minisiteri irwanya amazi, HPMC yateje imbere uburyo bwiza bwibicuruzwa no kuzamura imikorere yubwubatsi, uburyo bwo kugumana amazi ya nyuma.
Uruhare rwa HPMC mubice ntabwo ari ugutezimbere amarangamutima gusa, kugumana amazi no kubwubatsi, ariko no kunoza iherezo ryimbaho na heesthetics yo gutwikira binyuze muri firime hamwe nibiranga byiza. Nkuburyo bwiza cyane kandi imikorere myinshi yongeyeho, HPMC yabaye ibikoresho byingenzi byingenzi muburyo bugezweho.
Igihe cyagenwe: Feb-15-2025