Cellulose ethers imhando yemapolymer anonyungudika mumvura ane huremu hwakawanda anobva mu cellulose. Ave achishandiswa zvakanyanya muindasitiri yekuvaka semusanganiswa unowedzera simba rezvigadzirwa zvakagadzirwa nesimende uye zvakagadzirwa negypsum. Pakati pazvo, hydroxypropyl methylcellulose (HPMC) ndeimwe ye cellulose ethers dzakakosha dzeputty.
Semugadziri weHPMC ane hunyanzvi, tichakutsanangurirai basa re cellulose ether mu putty. Tinovimba kuti chinyorwa ichi chinopa mamwe mazano anobatsira kune vanofarira nyaya iyi.
1. Kuchengetwa kwemvura
Rimwe remabasa makuru e cellulose ether ye putty kuchengetedza mvura. Putty chinhu chakaita sepaste chinoshandiswa kuzadza maburi nemakomba panzvimbo dzakadai semadziro, matenga nepasi. Mvura chinhu chakakosha mukugadzirwa kweputty nekuti inobatsira kunyungudutsa zvinhu uye inoita kuti zvishande. Zvisinei, mvura yakawandisa inogona kukonzera kuti putty iome uye ikurumidze kuonda, zvichikonzera kutsemuka uye kupera kwemhando yakaderera.
Cellulose ether, kunyanya HPMC, inoumba chimiro chakaita sejeri kana ikasanganiswa nemvura, izvo zvinogona kuvandudza kuchengetwa kwemvura yeputty. Mapoka eHPMC anonyungudutsa mvura anogona kunwisa mamorekuru emvura uye kudzivirira kuti asamhanye nekukurumidza. Ichi chinhu chinobvumira nguva yakareba yekushanda uye kuumbwa kweputty kwakafanana.
2. Kuvandudza kushanda zvakanaka
Rimwe basa rakakosha re cellulose ether yeputty nderekuvandudza mashandiro ayo. Kushanda zvakanaka kunoreva nyore kushandisa putty uye kuumbwa kwayo kuti ive pamusoro wakatsetseka. Cellulose ether inogona kuwedzera kuyerera uye kupararira kweputty nekuderedza kukweshana pakati pezvikamu uye kuwedzera lubrication yesystem.
Kuwedzerwa kwe cellulose ethers mumaputty kunoderedzawo kubatwa kwemhepo kunokonzerwa nekusanganiswa, izvo zvinogona kukonzera kusawirirana pamusoro uye kusabatana zvakanaka. Kushandiswa kwe cellulose ethers kunovandudza kutsetseka uye kugadzikana kweputty, zvichikonzera kushanda zvakanaka uye kupera kwakanaka.
3. Wedzera kunamira
Imwe bhenefiti ye cellulose ether ye putty ndeyekuwedzera kunamira. Putty inoshandiswa kuzadza mipata nemaburi, pamwe nekugadzira pamusoro wakatsetseka wependi kana mamwe mafinish. Saka, putty inofanira kukwanisa kunamira pa substrate uye kupa chisungo chakasimba.
Cellulose ether, kunyanya HPMC, inogona kunatsiridza kunamira kweputty nekugadzira firimu pamusoro pe substrate. Firimu iri rinowedzera kubatana pakati peputty ne substrate uye rinobatsira kuzadza zvisizvo pamusoro. Izvi zvinoita kuti pave nechisungo chakasimba uye kupera kwakasimba.
4. Deredza kudzikira kwesimba
Kupwanyika kwemvura idambudziko rinowanzoitika neputty, sezvo inogona kukonzera kupwanyika uye kupera kwemhando yepamusoro. Cellulose ethers inogona kubatsira kuderedza kupwanyika kweputty nekuvandudza kuchengetedza mvura uye kushanda kweputty. Mvura inopwanyika zvishoma nezvishoma, zvichiita kuti putty ive yakapfava inobatsira kudzivirira kutsemuka nekupwanyika pakuoma.
Pamusoro pezvo, cellulose ether inogonawo kuderedza kupwanyika kwepurasitiki kweputty, kureva kupwanyika kunoitika panguva yekutanga. Hunhu uhwu hwakakosha zvikuru kune putty dzinokurumidza kuiswa, sezvo dzichibatsira kuchengetedza kusimba kwepamusoro uye kudzivirira kuumbwa kwemhasuru.
5. Kugara kwenguva refu kwakagadziridzwa
Chekupedzisira, cellulose ethers inogona kuvandudza kugara kwenguva refu kweputty nekuwedzera kuramba kwayo kumamiriro ezvinhu akadai sekuchinja kwekushisa, hunyoro uye kukweshana. Hunhu hwe cellulose ether hunogadzira firimu hunogona kupa chidziviriro pamusoro peputty kudzivirira kupinda kwemvura nezvimwe zvinosvibisa.
Uyezve, cellulose ether inogonawo kuvandudza simba reflexural uye resistance ye putty, zvichiita kuti irambe ichikwanisa kutsemuka nekupwanyika. Hunhu uhwu hwakakosha zvikuru pamashandisirwo ayo putty inowanzo batwa kana kukanganiswa, senge pakugadzirisa kana kupedzisa kushongedza.
mukupedzisa
Mukupedzisa, cellulose ethers, kunyanya HPMC, imhando huru yeputty inosimudzira mashandiro ayo. Mabasa avo anosanganisira kuchengetedza mvura, kuvandudzwa kwekugadzirisa, kuwedzera kunamira, kudzikira kwekushomeka uye kugara kwenguva refu. Kushandisa cellulose ethers kunobatsira kuvandudza kunaka kweputty, zvichikonzera kupera kuri nani uye hupenyu hurefu. Semugadziri weHPMC ane hunyanzvi, takazvipira kupa vatengi ether yecellulose yepamusoro uye rutsigiro rwehunyanzvi.
Nguva yekutumira: Chikunguru-20-2023