Putty poda inoshandiswa zvakanyanya mukuvaka nekugadzirisa mapurojekiti ekugadzirisa makatsemuka, maburi ekuzadza, uye nzvimbo inotsvedzerera. Cellulose ethers inowanzoshandiswa semabhandi mumaputty powders nekuda kwekugona kwavo kugadzirisa kushanda, kunamatira, uye kuchengetedza mvura. Nekudaro, kusarudza iyo chaiyo cellulose ethers yeputty poda inogona kunetsa nekuda kwemhando dzakasiyana dzesarudzo dziripo pamusika. Muchikamu chino, tichakurukura nzira yekusarudza iyo chaiyo cellulose ether ye putty powders.

Chii chinonzi Cellulose Ethers?

Cellulose ethers imhuri yemapolymers anotorwa kubva ku cellulose, inova yakasikwa polymer inowanikwa muzvirimwa. Iyo inonyungudika mumvura uye ine yakanakisa firimu-inogadzira zvivakwa, izvo zvinoita kuti ive yakakodzera mabhaidha eputty poda. Kune akati wandei emhando dze cellulose ether dziripo, imwe neimwe iine zvimiro zvayo uye mabhenefiti.

Mhando dzeCellulose Ethers

1. Methyl cellulose (MC)

Methyl cellulose isiri-ionic cellulose ether inoshandiswa zvakanyanya muputty powders nekuda kwekunaka kwayo kuchengetedza mvura. Inogona kuvandudza kushanda kweputty powders, zvichiita kuti zvive nyore kuisa uye kupararira. Methyl cellulose zvakare inopokana nekukura kwebhakitiriya, zvichiita kuti ive yakakodzera kushandiswa munzvimbo dzine hunyoro.

2. Hydroxypropyl Methyl Cellulose (HPMC)

Hydroxypropyl methyl cellulose imodified cellulose ether inowanzoshandiswa muputty powders nekuda kwehutano hwayo hwekunamatira. Inogonawo kuvandudza kuchengetwa kwemvura uye kushanda kweputty powders, zvichiita kuti zvive nyore kuisa nekupararira. HPMC zvakare inoshingirira kukura kwebhakitiriya uye ine kugadzikana kwakanaka kwekupisa.

3. Hydroxyethyl Cellulose (HEC)

Hydroxyethyl cellulose isiri-ionic cellulose ether inowanzoshandiswa muputty powders nekuda kwekunaka kwayo kukora. Inogonawo kuvandudza kuchengetwa kwemvura uye kushanda kweputty powders, zvichiita kuti zvive nyore kuisa nekupararira. HEC inopesanawo nekukura kwebhakitiriya uye ine kugadzikana kwakanaka kwekushisa.

4. Carboxymethyl cellulose (CMC)

Carboxymethyl cellulose imodified cellulose ether inowanzoshandiswa muputty powders nekuda kwekunaka kwayo kuchengetedza mvura. Inogonawo kuvandudza kushanda kweputty powders, zvichiita kuti zvive nyore kuisa uye kupararira. CMC zvakare inoshingirira kukura kwebhakitiriya uye ine kugadzikana kwakanaka kwekupisa.

Kusarudza Iyo Yakarurama Cellulose Ethers yePutty Powders

Pakusarudza iyo chaiyo cellulose ethers ye putty poda, pane akati wandei zvinhu zvaunofanira kufunga nezvazvo. Izvi zvinosanganisira:

1. Maitiro Okushandisa

Nzira yekushandisa iyo yauchange uchishandisa paupfu yeputty ndiyo ichasarudza rudzi rwe cellulose ether yaunofanira kushandisa. Semuenzaniso, kana iwe uchinge uchinge uchimwaya iyo putty poda, saka iwe unofanirwa kushandisa cellulose ether ine yakanakisa kuchengetedza mvura, senge methyl cellulose. Kana iwe uchinge uchinge uchikwevera iyo putty poda, saka iwe unofanirwa kushandisa cellulose ether ine yakanakisa adhesion properties, yakadai seHPMC.

2. Mhando ye Substrate

Mhando ye substrate yauchange uchizoisa iyo putty poda icharatidzawo mhando ye cellulose ether yaunofanirwa kushandisa. Semuenzaniso, kana iwe uchizora iyo putty poda kune ine porous substrate, senge kongiri kana plaster, iwe unofanirwa kushandisa cellulose ether ine yakanakisa kuchengetedza mvura, semethyl cellulose. Kana iwe uchizora iyo putty poda kune isina-porous substrate, yakadai sesimbi kana girazi, saka iwe unofanirwa kushandisa cellulose ether ine yakanakisa adhesion properties, yakadai seHPMC.

3. Desired Properties

Izvo zvinodiwa zveiyo putty poda zvinosarudzawo rudzi rwe cellulose ether yaunofanira kushandisa. Semuenzaniso, kana iwe uchida kuti putty powder ive neyakanakisa kuchengetedza mvura, saka unofanirwa kushandisa cellulose ether ine yakanakisa kuchengetedza mvura, senge methyl cellulose. Kana iwe uchida kuti putty powder ive yakanakisa adhesion properties, saka unofanira kushandisa cellulose ether ine yakanakisa adhesion properties, yakadai seHPMC.

4. Environmental Conditions

Mamiriro ezvakatipoteredza umo iyo putty poda ichashandiswa inozoratidzawo rudzi rwe cellulose ether yaunofanira kushandisa. Semuenzaniso, kana iyo putty powder ichashandiswa munzvimbo ine hunyoro, saka unofanira kushandisa cellulose ether inopesana nekukura kwebhakitiriya, yakadai semethyl cellulose kana HPMC. Kana iyo putty powder ichashandiswa munzvimbo inopisa, saka unofanira kushandisa cellulose ether ine kunaka kwekushisa kwekushisa, zvakadai seHEC kana CMC.

Mhedziso

Kusarudza iyo chaiyo cellulose ethers yeputty poda kwakakosha kuti uwane izvo zvinodiwa uye kuita kwechigadzirwa. Paunosarudza iyo chaiyo cellulose ether, iwe unofanirwa kufunga nezvezvinhu zvakaita senzira yekushandisa, mhando ye substrate, inodiwa zvivakwa, uye mamiriro ezvakatipoteredza. Nekusarudza iyo yakakodzera cellulose ether, iwe unogona kuve nechokwadi chekuti putty poda yako ine yakanakisa kushanda, kunamatira, uye kuchengetedza mvura zvivakwa, zvichiita kuti ive yakanakira kugadzirisa makatsemuka, maburi ekuzadza, uye kutsetseka kwenzvimbo mumapurojekiti ekuvaka nekugadzirisa.