HydroxyPropyl methylcellose (HPMC) ishandare yemaviri anowanzoshandiswa mumasango akasiyana-siyana, kusanganisira kuvaka, mishonga, chikafu, uye zvidyarwa. Mukuvaka, HPMC inoita basa rakakosha seyakawedzera mumasimendi-yakavakirwa zvinhu, kunyanya mukuvandudza simba rekubatanidza.
1.Tyitert kune HPMC:
HPMC ndeye semi-synthetic, iyo mvura-yakadzika polymer yakatorwa kubva ku cellulose. Izvo zvinowanzoshandiswa seanonzi thickener, binder, firimu-raimbova, uye kumiremba wemvura. Muzvivakwa zvekushandisa, HPMC inonyanya kushandiswa kugadzirisa zvinhu zvezvinyorwa zve coment-based. Izvi zvinoshandurwa zvinosanganisira kuvandudza basa rekuvandudza, kuchengetwa kwemvura, kuderedza, uye kuita kwese kuita.
2.Factors achipesvedzera simba rekubatanidza:
Usati wakurukura kuti Hpmc inovandudza sei simba rekubatanidza, zvakakosha kuti unzwisise zvinhu zvinokanganisa kusungwa kwezvishandiso zvezvemisoro:
Kugadzirira kwepasi: mamiriro eiyo substrate pamusoro inokanganisa zvakanyanya kusimbisa simba. Chakachena, chakaomesesa chinopa kushamwaridzana kuri nani kuenzaniswa neyakajeka kana yakasvibiswa.
Kunamatira zvivakwa: Iyo inonamatira inoshandiswa uye kuenderana kwayo neiyo substrate zvinyorwa zvinotora basa rakakosha mukusarudza simba rekubatanidza.
Mechancal Interlocking: microscopic kusarongeka pane iyo substrate pamusoro gadzike muchina kutaurirana neyemunamatira, kusimudzira musungo simba.
Kukurukurirana kwemakemikari: Kufambidzana kwemakemikari pakati pekunamatira uye substrate, senge hydration maitiro muchimiro-chakavakirwa, chengetedzai simba rekubatanidza.
3.Mecatsisms yeHPMC mukuvandudza kusimbisa simba:
HPMC inosimudzira kusimbisa simba kuburikidza nemhando dzakawanda, kusanganisira:
Kuchengeta kwemvura: HPMC ine yakakwira mvura yekuchengetedza, iyo inodzivirira kukurumidza kuomesa kwekunamatira uye substrate. Kuwanika kwakakwana kunyengera kunosimudzira hydration maitiro, ichiva nekuvandudzwa kwakakodzera kwesimba rekusungwa.
Kuwedzera Kurovedza: HPMC inovandudza basa rekushanda kwemasanganiswa, uchibvumira kuiswa kuri nani uye kuenzanisa. Kwakakodzera kuenzanisa kunodzora voids uye nekuvimbisa kusangana kwepedyo pakati pekunamatira uye substrate, kusimudzira kushamwaridzana simba.
Kuvandudzwa Chosion: HPMC zviito seanoti uye binder, kuvandudza kubatana kwezvekushandisa. Kuvandudzwa kwekubatana kunodzora mukana wekusaririra uye kubuda ropa, zvichitungamira kune imwe yunifomu uye yakasimba bond.
Yakaderedzwa Shrinkage: HPMC inoderedza kuderera kweiyo coment-based zvigadzirwa panguva yekurapa. Kuderedza kuderedza shrinkage kunotadzisa kukura kwemarara pane bond interface, iyo inogona kukanganisa simba rekubatanidza.
Yakavandudzwa Dhizimusi: HPMC inosimudzira kuderedza nekuumba firimu rakagadzikana pane iyo substrate pamusoro. Iyi firimu inopa iyo inowirirana interface yekubatanidza uye inovandudza kugona kwekunyorovesa kwekunamatira, kufambisa kushushikana kuri nani.
Kudzora Kugara Nguva: HPMC inogona kugadzirisa iyo nguva yekuisa yezvinhu zvekushandisa, ichibvumira nguva yakakwana yekubatanidza kwakakodzera kuti zviitike. Kudzora mamiriro ezvinhu kunotadzisa kuomarara kusingaperi kwekunamatira, kunoita kuti uve nesimba rekusungwa.
4.Application uye kufunga:
Mukuvaka, HPMC inowana yakapararira kushandiswa mune dzakasiyana siyana application uko kusanganisa simba kwakakosha:
Tile Aomair: HPMC inowanzoiswa mumatombo emagetsi ekuvandudza kusimbisa simba nekushanda. Iyo inovimbisa kushamwaridzana kwakavimbika kwemaviri kune substrates, kuvandudza kusimba uye kusimba kwerefu.
MOTRAS uye RENDERS: HPMC inowedzerwa kune dhiri uye iviratidzei mafambiro ekuwedzera kushamisika uye kubatana. Inovandudza mashandiro ezvigadzirwa izvi mumashandisirwo akadai sekuparadza, kushandurwa, uye masonry.
Kuzvimiririra mishonga: HPMC inobatsira mukuita kwekuzvibatanidza makomputa nekuvandudza midziyo yekuyerera uye kusanganisa simba. Iyo inovimbisa yunifomu yekuvhara uye kudenha kune iyo substrate, inokonzeresa munzvimbo yakatsiga uye yakaenzana.
Grouts: HPMC inoshandiswa mukugadzira mafambiro ekuwedzera simba rekubatanidza uye kudzivirira shrinkage-zvine chekuita nenyaya. Iyo inovandudza kuyerera uye kushanda kwegrouts, kugonesa kuzadza kwakakodzera kwemajoini uye mapundu.
HydroxyPropyl methylcellose (HPMC) inoita basa rakakosha mukuvandudza kusimba kwezvishandiso zvezvemari nekuvandudza kudzokorora kwemvura, kubata, kuderedza, uye kudzora kuderera uye kugadzirisa nguva. Zvivakwa zvayo zvinoitika zvinoita kuti ive yakakosha mukuwedzera kwekuvaka mayunivhesiti, anoverengera kusimba uye akavimbika kusungwa pakati pekusimbisa uye kuomerera. Kunzwisisa maitiro ayo HPMC anowedzera kusimbisa simba kwakakosha kuti ugadzirise kushandiswa kwayo uye kuwana zvaunoda kuita kwekuita mumabasa ekuvaka.
Kutumira Nguva: May-07-2024