HPMC (hydroxypropyl methylcellulose) bụ ihe mgbakwunye dị mkpa a na-ejikarị eme ihe na ihe owuwu ụlọ dị ka ntụ ntụ, mkpuchi, ihe nkpuchi, wdg. Na mmepụta nke putty ntụ ntụ, mgbakwunye nke HPMC nwere ike ọ bụghị nanị na-eme ka njide mmiri nke ngwaahịa ahụ dịkwuo mma, kamakwa ọ na-agbatị oge owuwu ya nke ọma, gbochie putty ka ọ ghara ikpochapụ ngwa ngwa n'oge a na-ewu ụlọ, ma na-emetụta mmetụta ụlọ.
1. Họrọ ụdị HPMC ziri ezi
Arụmọrụ nke HPMC nwere njikọ chiri anya na ịdị arọ ya, nnọchi hydroxypropyl, nnọchi methyl na ihe ndị ọzọ. Iji meziwanye njide mmiri nke ntụ ntụ putty, buru ụzọ họrọ ụdị HPMC kwesịrị ekwesị.
High viscosity HPMC: HPMC na a elu molekụla arọ nwere ike ịmepụta a ike netwọk Ọdịdị, nke na-enyere aka melite mmiri njigide nke putty ntụ ntụ na-egbochi akaghi aka volatilization nke mmiri. N'ozuzu, HPMC nwere viscosity dị elu ga-enwe mmetụta dị mma na ikike ijide mmiri.
Ogo ngbanwe dabara adaba: Ngbanwe hydroxypropyl na nnọchi methyl nke HPMC na-emetụta ike ya na njide mmiri. Ogo dị elu nke nnọchi hydroxypropyl na-enyere aka melite hydrophilicity nke HPMC, si otú ahụ na-eme ka ọrụ njigide mmiri ya dịkwuo elu.
Dị ka ihe achọrọ nke ntụ ntụ putty si dị, ịhọrọ ụdị HPMC ziri ezi nwere ike imeziwanye ọnụọgụ mmiri nke ngwaahịa ahụ.
2. Dịkwuo ego nke HPMC agbakwunyere
Iji meziwanye njide mmiri nke ntụ ntụ putty, ọnụ ọgụgụ nke HPMC agbakwunyere nwere ike ịbawanye nke ọma. Site n'ịba ụba nke HPMC, nkesa ya na putty nwere ike ime ka ọ dịkwuo mma ma nwee ike ịkwalite ikike njide mmiri ya.
Mmụba nke mgbakwunye ga-edugakwa na mmụba nke viscosity nke ntụ ntụ putty. Ya mere, ọ dị mkpa iji hụ na njigide mmiri dị mma mgbe ị na-ezere viscosity dị ukwuu iji metụta arụmọrụ ụlọ.
3. Ezi uche nhazi usoro
Usoro nhazi nke ntụ ntụ putty na-emetụta njide mmiri ya ozugbo. Na mgbakwunye na HPMC, nhọrọ nke ihe ndị ọzọ dị na usoro (dị ka ihe nkpuchi, adhesives, wdg) ga-emetụtakwa njide mmiri nke ntụ ntụ putty.
Fineness na kpọmkwem elu ebe: The urughuru size na kpọmkwem elu ebe nkenkeihe ndochi na putty ntụ ntụ ga-emetụta mgbasa ozi nke mmiri. Ọmarịcha ntụ ntụ na ihe ndochi nwere mpaghara elu dị elu nwere ike ịmịnye mmiri nke ọma ma belata mfu mmiri. Ya mere, nhọrọ ezi uche dị na ya nke nha nha nha nha bụ isi ihe na-eme ka njigide mmiri dịkwuo mma.
Nhọrọ nke simenti: Ọ bụrụ na uzuzu putty nwere ciment na ihe ndị ọzọ, mmeghachi omume hydration nke ciment nwere ike iri ụfọdụ mmiri. Ya mere, ọ dị mkpa iji kwalite njide mmiri nke putty site n'ịgbanwe nha nke ciment na ndochi.
4. Jikwaa usoro ngwakọta
Usoro ngwakọta ahụ nwekwara mmetụta ụfọdụ na njide mmiri nke putty ntụ ntụ. Ịgwakọta ezi uche nwere ike inyere HPMC aka ịgbasa n'ụzọ zuru ezu ma gwakọta ya na ihe ndị ọzọ iji zere ọdịiche dị na njide mmiri kpatara site na ngwakọta na-enweghị isi.
Oge ngwakọta kwesịrị ekwesị na ọsọ: Ọ bụrụ na oge agwakọta dị mkpụmkpụ, HPMC nwere ike ọ gaghị agbaze nke ọma, nke ga-emetụta ọrụ njigide mmiri ya. Ọ bụrụ na ngwakọ agwakọta dị oke elu, enwere ike iwebata oke ikuku, na-emetụta ogo nke ntụ ntụ putty. Ya mere, njikwa ezi uche nke usoro ngwakọta ga-enyere aka melite njigide mmiri zuru oke nke ntụ ntụ putty.
5. Jikwaa iru mmiri na okpomọkụ
Njide mmiri nke ntụ ntụ putty abụghị naanị ihe metụtara akụrụngwa na usoro, kamakwa ọ na-ejikọta ya na iru mmiri na okpomọkụ nke gburugburu ebe obibi. Na gburugburu ebe okpomọkụ dị elu na obere iru mmiri, mmiri nke putty ntụ ntụ dị mfe ịpụpụ, na-eme ka ọ kpoo ngwa ngwa ma na-emetụta mmetụta ụlọ.
N'oge usoro ihe owuwu ahụ, a ga-edobe ọnọdụ okpomọkụ kwesịrị ekwesị na iru mmiri dị ka o kwere mee iji gbochie uzuzu putty na-efunahụ mmiri ngwa ngwa. Ijikwa nke ọma na ọnọdụ okpomọkụ na iru mmiri nwekwara ike imezi njide mmiri nke ntụ ntụ putty n'ụzọ na-edoghị anya.
6. Tinye ihe na-ejigide mmiri
Na mgbakwunye na HPMC, a pụkwara ịtụle ihe ndị ọzọ na-ejigide mmiri na-etinye ya na ntụ ntụ, dị ka ụfọdụ polymers, polyvinyl alcohol, wdg. Ihe ndị a na-ejigide mmiri nwere ike imeziwanye njide mmiri nke putty, gbasaa oge ihe owuwu, ma gbochie putty ka ọ ghara ihicha na ịgbawa ngwa ngwa.
Otú ọ dị, mgbe ị na-agbakwụnye ihe ndị na-ejigide mmiri, ọ dị mkpa ịṅa ntị na ndakọrịta ha na HPMC iji hụ na ọ dịghị mmeghachi omume ọjọọ na-eme ma ọ bụ na-emetụta arụmọrụ ụlọ nke putty.
7. Jiri teknụzụ na-achịkwa iru mmiri
N'oge ụfọdụ pụrụ iche, a pụrụ iji nkà na ụzụ na-achịkwa iru mmiri mee ihe iji meziwanye njide mmiri nke ntụ ntụ putty. Dịka ọmụmaatụ, iji mmiri na-ekpuchi mmiri ma ọ bụ ihe na-eme ka mmiri dị jụụ nwere ike belata nkwụsị mmiri nke putty n'oge a na-ewu ụlọ, na-eme ka mmiri dị nro nke oyi akwa ahụ, si otú ahụ gbasaa oge owuwu ya ma melite njide mmiri.
Enwere ike imezi njide mmiri nke ntụ ntụ putty nke ọma site na ịhọrọ ụdị kwesịrị ekwesịHPMC, ịba ụba nke mgbakwunye, na-eme ka usoro ahụ dịkwuo mma, meziwanye usoro ngwakọta, na-achịkwa iru mmiri na okpomọkụ nke ebe a na-ewu ihe, na ihe ndị ọzọ. Dị ka akụkụ dị mkpa nke ntụ ntụ putty, mmelite nke njigide mmiri nke HPMC nwere ike ọ bụghị naanị imeziwanye ihe owuwu ihe owuwu, kamakwa melite ogo ihe owuwu ikpeazụ ma belata ntụpọ na nsogbu na ihe owuwu ahụ. Ya mere, ịghọta na ịmụta ụzọ ndị a iji melite ọnụego njide mmiri bụ ihe bara uru dị ukwuu maka ụlọ ọrụ na-emepụta ma na-eji ntụ ntụ.
Oge nzipu: Mar-20-2025