Cellulose etheripolymer isina kugadzirwa nemakemikari, inonyungudika mumvura uye inonyungudika. Ine mhedzisiro dzakasiyana mumaindasitiri akasiyana. Semuenzaniso, muzvinhu zvekuvaka zvemakemikari, ine mhedzisiro inotevera: ① chinhu chinochengetedza mvura ② chinosimbisa ③ chimiro chekuyera ④ chimiro chinoita mafirimu ⑤ chinosunga; muindasitiri yepolyvinyl chloride, imulsifier uye dispersant; muindasitiri yemishonga, imushonga wekubatanidza uye kurongedza. Bvisa zvinhu zvemapfupa, nezvimwewo, nekuti cellulose ine mhedzisiro dzakasiyana-siyana, saka minda yayo yekushandisa ndiyo yakanyanya kuwanda. Tevere, ndichatarisa pakushandiswa uye kushanda kwe cellulose ether muzvinhu zvekuvaka zvekuchengetedza zvakatipoteredza.
1. Pendi yelatex
Muindasitiri yekupenda latex, hydroxyethyl cellulose inofanira kusarudzwa. Zvinodiwa zve viscosity ndeye RT30000-50000, uye chiyero chereferensi chinowanzova 1.5‰-2‰. Basa guru rehydroxyethyl mupendi latex nderekukora, kudzivirira gelation ye pigment, kubatsira kupararira, latex, uye kugadzikana kwepigment, uye kuwedzera viscosity yechikamu, izvo zvinobatsira pakushanda kwekuenzanisa kwekuvaka: hydroxyethyl Ethyl cellulose iri nyore kushandisa. Inogona kunyungudutswa mumvura inotonhora nemvura inopisa, uye haikanganisike ne pH value. Inogona kushandiswa pakati pe pH value ye2 ne12. Kune nzira nhatu dzekushandisa:
I. Wedzera zvakananga mukugadzirwa:
Nzira iyi inofanira kusarudza hydroxyethyl cellulose yakanonoka mhando - hydroxyethyl cellulose ine nguva yekunyungudika kweanopfuura maminetsi makumi matatu. Matanho acho ndeaya anotevera: ① Wedzera huwandu hwakati hwemvura yakachena mumudziyo wakashongedzwa neagitator ine shear high-shear ② Tanga kusanganisa nguva dzose nekumhanya kwakaderera, uye panguva imwe chete wedzera zvishoma nezvishoma boka rehydroxyethyl mumushonga zvakaenzana ③Ramba uchisanganisa kusvika zvese zvinhu zvanyorova ④Wedzera zvimwe zvinhu zvinobatsira uye zvekuwedzera, nezvimwewo. ⑤Kunganidza kusvika mapoka ese ehydroxyethyl anyungudika zvachose, wobva wawedzera zvimwe zvikamu mufomura wozvikuya kusvika chigadzirwa chapera.
Ⅱ. Yakashongedzerwa nedoro remumba kuti rizoshandiswa gare gare:
Nzira iyi inogona kusarudza mhando inokurumidza, uye ine cellulose inodzivirira kukora. Chakanakira nzira iyi ndechekuti ine kuchinjika kukuru uye inogona kuwedzerwa zvakananga kupende yelatex. Nzira yekugadzirira yakafanana nematanho ①-④.
Ⅲ. Gadzirai muporridge kuti muzoshandisa gare gare:
Sezvo zvinonyungudutsa zve organic zvisiri zvinonyungudutsa zvakanaka (zvisinganyungudike) zve hydroxyethyl, zvinonyungudutsa izvi zvinogona kushandiswa kugadzira porridge. Zvinonyungudutsa zve organic zvinonyanya kushandiswa i organic liquids mu latex pendi formulations, dzakadai se ethylene glycol, propylene glycol, uye firimu-forming agents (senge diethylene glycol butyl acetate). Porridge hydroxyethyl cellulose inogona kuwedzerwa zvakananga mupendi. Ramba uchikurunga kusvika yanyungudika zvachose.
2. Puti yekukwesha pamadziro
Parizvino, mumaguta mazhinji munyika yangu, putty isingapindi mvura uye isingapindi scrub yave ichikosheswa nevanhu. Inogadzirwa ne acetal reaction yevinyl alcohol uye formaldehyde. Saka, chinhu ichi chinobviswa zvishoma nezvishoma nevanhu, uye zvigadzirwa zve cellulose ether zvinoshandiswa kutsiva chinhu ichi. Kureva kuti, pakugadzira zvinhu zvekuvaka zvisingapindi zvakatipoteredza, cellulose ndiyo chete chinhu chiripo parizvino.
Muputty isingapindi mvura, yakakamurwa kuita mhando mbiri: putty yeupfu hwakaoma uye putty paste. Pakati pemhando mbiri idzi dzeputty, hydroxypropyl methylcellulose inowanzo sarudzwa, uye viscosity specification inowanzo kuve pakati pe80,000-90,000. Basa nderekuchengetedza mvura, kubatana, kunyorovesa nezvimwewo.
Sezvo maformula eputty evagadziri vakasiyana-siyana akasiyana, mamwe igrey calcium, light calcium, white cement, nezvimwewo, uye mamwe igypsum powder, grey calcium, light calcium, nezvimwewo, saka marongero, viscosity uye kupinda kwecellulose mumaformula maviri akasiyanawo. Huwandu hwakawedzerwa hunenge 3‰-5‰.
Mukuvaka putty yekukwenya madziro, sezvo pasi pemadziro paine mwero wakati wekukwenya mvura (mwero wekukwenya mvura pamadziro ezvidhinha i13%, uye mwero wekukwenya mvura pakongiri i3-5%), pamwe chete nekubuda kwemvura kunze kwenyika, kana putty ikarasikirwa nemvura nekukurumidza, Izvi zvinotungamira mukutsemuka kana kubviswa kwehupfu, izvo zvinoderedza simba reputty. Saka, kuwedzera cellulose ether kuchagadzirisa dambudziko iri. Asi mhando yefiller, kunyanya mhando yecalcium yedota, yakakoshawo zvikuru. Nekuda kwekunaka kwakanyanya kwecellulose, kubhururuka kweputty kunowedzerwawo, uye chiitiko chekudzikama panguva yekuvaka chinodziviswawo, uye chinonyaradza uye chinochengetedza basa mushure mekukwenya.
3. Dura rekongiri
Mudhaka rekongiri, kuti simende iwane simba rayo guru, simende inofanira kunge yakanyoroveswa zvizere. Kunyanya mukuvakwa kwezhizha, dhaka rekongiri rinorasikirwa nemvura nekukurumidza, uye zviyero zvekunyoroveswa zvakakwana zvinoshandiswa kuchengetedza nekusasa mvura. Kutambisa zviwanikwa uye kushanda kusina kunaka. Chinokosha ndechekuti mvura iri pamusoro chete, uye kunyoroveswa kwemukati hakusati kwakwana. Saka, mhinduro yedambudziko iri ndeyekuwedzera hydroxypropyl methylcellulose pakati pe150,000 ne200,000 kudhaka rekongiri. , huwandu hwekuwedzera hunenge 2‰–3‰, uye mwero wekuchengetedza mvura unogona kuwedzerwa kusvika kupfuura 92%. Nzira yekushandisa mudhaka rekongiri ndeyekuwedzera mvura mushure mekunge hupfu hwakaoma hwasanganiswa zvakaenzana.
4. Mukupurasita gypsum, gypsum yekubatanidza, gypsum yekubatanidza
Nekukura kuri kuita indasitiri yekuvaka nekukurumidza, kuda kwevanhu zvinhu zvitsva zvekuvaka kuri kuwedzerawo zuva nezuva. Nekuda kwekuwedzera kweruzivo rwevanhu nezvekuchengetedzwa kwezvakatipoteredza uye kuvandudzwa kuri kuramba kuchienderera mberi kwekushanda zvakanaka kwekuvaka, zvigadzirwa zvegypsum zvine simende zvave kukura nekukurumidza. Parizvino, zvigadzirwa zvegypsum zvinonyanya kushandiswa iplastering gypsum, bonded gypsum, inlaid gypsum, uye tile adhesive.
Kupurasita gypsum chinhu chemhando yepamusoro chekupurasita madziro nedenga remukati. Rutivi rwemadziro rwakapetwa narwo rwakanaka uye rwakatsetseka, harudonhedze hupfu, rwakabatana zvakasimba nehwaro, haruna kutsemuka kana kudonha, uye runoshanda zvisingatsvi; gypsum yakasungirirwa imhando itsva yechinamira chebhodhi rekuvaka chinhu chinonamira chakagadzirwa negypsum sechinhu chehwaro uye chinowedzera zvimwe zvinhu zvakasiyana-siyana. Chakakodzera kubatanidza pakati pezvinhu zvakasiyana-siyana zvemadziro ekuvaka zvisina organic. Hachina chepfu, hachina kunaka, hachina kunaka, Zvinhu zvakaita sekusimba kwekutanga, kugadzika nekukurumidza, uye kubatana kwakasimba, chinhu chinotsigira mapaneru ekuvaka nekuvaka mabhuroko; gypsum caulking agent imuchina wekuzadza pakati pemapaneru egypsum nechinozadza madziro nemakomba.
Zvigadzirwa zvegypsum izvi zvine mabasa akasiyana-siyana. Pamusoro pebasa regypsum nezvimwe zvinozadza zvine chekuita nazvo, nyaya huru ndeyekuti zvinowedzera cellulose ether zvinotamba basa guru. Nekuti gypsum yakakamurwa kuita anhydrous gypsum ne hemihydrate gypsum, gypsum dzakasiyana dzine mhedzisiro yakasiyana pakushanda kwechigadzirwa, saka kukora, kuchengetedza mvura uye kunonoka kunosarudza mhando yezvinhu zvekuvaka zvegypsum. Dambudziko rinowanzoitika rezvinhu izvi nderekutsemuka nekupwanyika, uye simba rekutanga harigone kusvikwa. Kugadzirisa dambudziko iri, kusarudza rudzi rwecellulose uye nzira yekushandisa compound ye retarder. Panyaya iyi, methyl kana hydroxypropyl methyl 30000 inowanzo sarudzwa. -60000, huwandu hwekuwedzera huri pakati pe1.5‰–2‰, uye cellulose inotarisa pakuchengetedza mvura uye kunonoka kwemafuta.
Zvisinei, hazvigoneke kuvimba ne cellulose ether se retarder, uye zvakakosha kuwedzera citric acid retarder kuti uisanganise uye ushandise pasina kukanganisa simba rekutanga.
Kuchengetwa kwemvura kunowanzoreva kuti mvura yakawanda sei icharasika pasina kutorwa kwemvura kubva kunze. Kana madziro akaoma zvakanyanya, kutorwa kwemvura uye kupwa kwemvura kubva pasi kuchaita kuti chinhu chacho chirasikirwe nemvura nekukurumidza, uye maburi nekuputika zvichaitikawo.
Nzira iyi yekushandisa inosanganiswa neupfu hwakaoma. Kana ukagadzira mhinduro, ndapota tarisa nzira yekugadzira mhinduro yacho.
5. Kupisa kwemvura dhaka
Dura rekuputira imhando itsva yezvinhu zvinoputira madziro mukati medunhu rekuchamhembe. Idura rekuputira rakagadzirwa nezvinhu zvinoputira madziro, dura nekusunga. Mudura iri, cellulose inoita basa guru mukubatanidza nekuwedzera simba. Kazhinji sarudza methyl cellulose ine viscosity yakakwira (inenge 150,000), chiyero chinowanzova pakati pe2‰-3‰), uye nzira yekushandisa ndeyekusanganisa upfu hwakaoma.
6. Mumiririri weinterface
Mushonga wekubatanidza unofanirwa kunge uri HPNC20000, uye glue yemataira inofanira kunge inopfuura 100,000. Mushonga wekubatanidza unofanirwa kushandiswa sechinhu chinosimbisa, izvo zvinogona kuvandudza simba rekusunga uye simba rekudzivirira museve.
Nguva yekutumira: Kubvumbi-28-2024