HPMC (hydroxyprusyl methylcellose) inzvimbo yePolymer inoshandiswa zvakanyanya munda yekuvaka, kunyanya muGypsum uye SIME-yakavakirwa yakaoma dhaka. Semhando yakagadziridzwa cellulose ether, hpmc ine yakasarudzika yemuviri uye yemakemikari zvivakwa, izvo zvinoita kuti itambe yakakosha basa muzvivakwa zvekuvaka.
1. Basic Properties yeHPMC
HPMC iri manyorerwo, isina ruvara, isina kusimba, isina kusimba powraed yakachekwa neakanaka mvura solubility, rheology, gomba uye mafirimu-ekugadzira mafirimu ekuumba. Iyo molecular chimiro cheHPMC ine hydroxyprupyl uye methyl vakaderera Nekugadzirisa huremu hwayo, iyo degree rekutsiva yehydroxypruppropyl uye methyl, iyo rheology uye mamwe mabasa eHPMC inogona kugadziriswa kuti igadziriswe kune akasiyana application zvinodiwa.
2. Kushandiswa kweHPMC muGypsum-based yakaoma-yakasanganiswa dhiri
Gypsum-based yakaoma-yakasanganiswa motsi yekuvakwa neiyo gypsum sechinhu chikuru, icho chinoshandiswa zvakanyanya mumadziro kupuruzira, kurongedza uye kugadzirisa uye kugadzirisa zvirongwa. Maitiro ekugadzira eGypsum-based Mortar anogamuchira chiitiko chakaoma kusanganisa, icho, gypsum, mafirita, expression, anowedzera uye zvimwe poda zvisanganiswa zvakasanganiswa uye zvinoshandiswa zvakananga. Semunhu anokosha anowedzera, HPMC anotamba zviitiko zvinotevera muGypsum-based Mortar:
(1) Kuvandudza kuiswa kwemutumbi
Gypsum-based Mortar inowanzoda kuve nekupindirwa zvakanaka panguva yekuvaka, yakadai sekududzirwa kwakanaka, mwero viscosity uye nyore kutsika. HPMC inovandudza iyo rheological zvivakwa, ichiita kuti dorari ine yakakodzera kusawirirana, kudzivisa matambudziko ekuvaka kunokonzerwa nekuoma kana kunyorova. Zvinogona kubatsira zvinobudirira kuita kwekurongedza kwemutya uye kuwedzera nguva yakavhurika, nekukonzera nekuvandudza kugona kwekushanda kwevashandi vekuvaka.
(2) Kuvandudza kuchengetwa kwemvura kwemutumbi
Midziyo yeGypsum ine mvura yakasimba yemvura, iyo inogona kukonzera iyo dorari kuti iome nekukurumidza, saka inokanganisa kugona uye kwekupedzisira kuomarara kwemota. HPMC ine yekuchengetwa kwemvura yakanaka uye inogona kuderedza zvinobudirira kwemvura kubhururuka, nekudaro kunonoka kuomesa kwemvura, kunoita kuti durspsum-based forar ine nguva yekuvhurika uye kupedzisira kuri nani panguva yekuvaka. Uku ndiko kukosha kukuru kwekuvandudza kunaka kwekuvaka.
(3) Kuvandudza Simba uye Kugadzwa Kwemutema
HPMC haigone kungogadzirisa basa rekushanda kweguruva, asi zvakare dzorera simba rayo uye kusimba. Nekugadzirisa iyo dosage uye mhando yeHPMC, iyo mechancal midziyo yemutumbi inogona kuve yakagadzirirwa, uye simba rekumanikidza uye simba rinoshanduka-shanduka remota rinogona kuwedzera. Panguva imwecheteyo, HPMC inogona kuwedzera kuparara kwekudzikama kwemutumbi uye kuderedza marara anokonzerwa nekuomesa kudzima kana tembiricha shanduko, nekudaro ichivandudza kusimba kwemutya.
3. Kushandiswa kweHPMC mumasimendi-yakavakirwa yakaoma-yakasanganiswa dhiri
SEENT-BEED DOTR-yakasanganiswa inoshandiswa zvakanyanya mukuvakwa senge madziro, pasi, kunze kwesvingo, etc., uye ine yemusika wemusika. MuComent-based Darare, basa reHPMC rinonyanya kuratidzwa mune zvinotevera zvinhu:
(1) Kuvandudza iyo fluidity uye kushanda kwemoche
MuComent-based Mortar, Hpmc, seyekuita, seyakawirirana, inogona kubatsira zvinobudirira fluidity yemutya, zvichiita kuti zvive nyore kuvaka uye kushanda. Munguva yekuvaka maitiro, iyo fluidity yemutumbi yakanangana nekuchinja kwekuvaka uye kunaka. Nekuwedzera huwandu hwakakodzera hweHPMC kune coment-based dorari, kuenderana kwayo kunogona kuvandudzwa, zvekuti doro rinogona kuratidza kupindirwa kwakanaka munzvimbo dzakasiyana siyana dzekuvaka.
(2) Kuvandudza kuchengetwa kwemvura uye kuderedza mvura yekuona mvura
Munguva yekuomesa kwesangano rezvemument-basemed, kana mvura ikakurumidza kuhukura, zviri nyore kukonzera kuwana mvura, iyo inoshanduka zvine simba simba uye chimiro chemukati chevhu. HPMC inogona kuvandudza kuchengetwa kwemvura kweiyo coment-based flattilization yemvura, ita kuti ugove hwakafanana uye kusimba kwemutya, nekukasira kuvandudza mhando uye simba mushure mekushungurudza.
(3) kusimudzira kupaza kuramba
Munguva yekuomesa, simende-yakavakirwa mongwe inowanzo nyura, zvichikonzera marara pane pamusoro kana mukati meimba. HPMC zvinobudirira inoderedza kuumbwa kwekupaza kweiyo coment-based frin nekuvandudza rheology yemutengesi, kuwedzera kupurasitiki kwayo uye kudedera. Chiitiko ichi chekurwisa-chinotsika hachina kungovandudza aesthetics of the frar, asi zvakare inosimudzira kusakwana kwayo mukushandiswa kwenguva refu.
(4) kunonoka kuomesa nguva
HPMC inogona kugadzirisa iyo hydration chiyero che coment-based moturu, nekudaro inonyadzisa nguva yakaoma. Izvi zvinonyanya kukosha kana uchishanda pakupisa kwakanyanya kana pamusoro penzvimbo yakakura, sezvazvingaite kuti ipe nguva yakawanda yekushanda kwevashandi vekuvaka uye kuderedza matambudziko ekuvaka anokonzerwa nekuomesa zvakanyanya.
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(1) yakanaka rheological kutonga
HPMC inogona kuvandudza zvakanyanya zvivakwa zvetsiva, kusanganisira kusimbisa, kusimudzira kwekuvandudza, uye kuchengetwa kwemvura, nekukasira kugadzirisa basa rekuvaka remutya. Nekunyatsogadzirisa huwandu hweHPMC, zvivakwa zvekuvaka zvevhu zvinogona kuve zvakagadzirirwa kuita zvinodiwa zvevakasiyana nzvimbo dzekuvaka.
(2) Kunamatira kwakanyanya uye kuchengetwa kwemvura
Kunyangwe muGypsum-based-based-based-burner moturu, HPMC inogona kuwedzeredza kuderera uye kuchengetwa kwemvura, kuderedza kupaza kwemotokari, uye kuve nechokwadi chekupengera uye kuomesa kunaka panguva yekuvaka.
(3) Kudzivirirwa kwezvakatipoteredza uye kuchengeteka
HPMC ndeyekushuhwirira kusingagumi, kushamwaridzana, zvakatipoteredza zvemakemikari zvinosangana nezvinodiwa zvekuchengetedza zvakasvibirira uye zvakatipoteredza kuchengetedzwa kwezvinhu zvemazuva ano zvekuvaka zvekuvaka. Naizvozvo, kushandiswa kweHPMC hakugone kungosimbisa kuita kwehudyu, asi zvakare ona kuchengetedzeka kwenzvimbo yekuvaka.
HPMC inoita basa rakakosha mukushandiswa kweGypsum uye simende-yakavakirwa yakaoma-musanganiswa muguro. Iyo inovandudza basa rekushanda, simba uye kusimba kwehudyu nekuvandudza rheology, kudenha, kudzokorora kwemvura uye zvimwe zvivakwa zvehari. Nekuwedzera kwekuwedzera kwezvinhu zvakakwirira zvekuvaka muindasitiri yekuvaka, iyo tarisiro yekushandisa yeHPMC yakanyanya, kunyanya mukugadzirwa uye kuvakwa kwemunun'una kuoma, HPMC icharamba ichitamba chinhu chakakosha.
Kutumira Nguva: Kukadzi-15-2025