1. Nhanganyaya kune cellulose ether:
Chemical Structure: Cellulose ethers mapolymers anonyungudika nemvura anotorwa kubva ku cellulose, yakasikwa polysaccharide inowanikwa muchirimwa sero madziro. Inosanganisira kudzokorora zvikamu zveglucose zvakabatanidzwa ne β-1,4-glycosidic bonds.
Hydrophilicity: Cellulose ether is hydrophilic, zvinoreva kuti ine hukama hwakasimba hwemvura.
2. Basa re cellulose ether mudhaka:
Kuchengetwa kwemvura: Rimwe remabasa makuru e cellulose ether mudhaka nderekuwedzera kuchengetwa kwemvura. Iyo inoumba firimu rakatetepa rakatenderedza simende zvimedu, inoderedza kubuda kwemvura uye kuve nechokwadi chekurebesa hydration process.
Kuvandudza kushanda: Cellulose ether inoshanda se rheology modifier kuvandudza kushanda kwedhaka. Izvi zvinonyanya kukosha kune zvikumbiro zvakaita sekupurasita uye kupa.
3. Mhedzisiro pavhoriyamu yedhaka:
Kutora Mvura: Iyo hydrophilic chimiro che cellulose ethers inovagonesa kutora mvura kubva mumusanganiswa. Sezvo ichiwedzera, iyo yakazara mvura yemukati mudhaka inowedzera, ichikonzera vhoriyamu kuwedzera.
Kupinda Kwemhepo: Kuwedzera cellulose ethers kunogona kuunza mweya mudhaka. Mafuro emhepo akavharirwa anobatsira kuwedzera huwandu.
Pore chimiro: Cellulose ethers inogona kukanganisa microstructure yedhaka, ichigadzira yakawanda porous network. Kuchinja uku mukugadzirwa kwepore kunoguma nekuwedzera kukuru kwehuwandu.
4.Hydration maitiro uye kuwedzera kwevhoriyamu:
Kunonoka hydration: Cellulose ethers inogona kuderedza hydration process ye simenti. Izvi zvinononoka hydration inobvumira kuwedzera kugovera kwemvura mukati medhaka, izvo zvinogona kukonzera kuwedzera kwehuwandu.
Kurapa mhedzisiro: Iyo yakawedzera kuchengetwa kwemvura inosimudzirwa ne cellulose ethers inobatsira kuwedzera nguva yekurapa, ichibvumira masimende kuti awedzere hydrate yakazara uye achikanganisa huwandu hwekupedzisira hwedhaka.
5. Kudyidzana nezvimwe zvinongedzo:
Binder interaction: Cellulose ethers inodyidzana nemabhinda esimende kuti iite matrix yakagadzikana. Kudyidzana uku kunokanganisa kurongeka kwezvikamu uye kunotungamirira kukuwedzera kwehuwandu.
Admixture synergy: Kana cellulose ethers ikashandiswa pamwe chete nezvimwe zvinosanganiswa, synergistic mhedzisiro inogona kuitika, ichikanganisa huwandu hwese hwevhu.
6. Particle kuparadzirwa uye kugovera:
Uniform dispersion: Kana cellulose ether yanyatsoparadzirwa mudhaka, inogona kuita kuti kugovaniswa kwechikamu kuve kwakafanana. Kufanana uku kunokanganisa kurongedza uye nekudaro huwandu hwedhaka.
7. Mamiriro ezvakatipoteredza:
Tembiricha uye Humidity: Mamiriro ezvakatipoteredza akadai setembiricha uye hunyoro anogona kukanganisa maitiro e cellulose ether mudhaka. Kuzvimba uye kunyura kwemvura zvivakwa zvinogona kusiyana pasi pemamiriro ekunze akasiyana, zvichikanganisa huwandu.
8. Mhedziso:
Muchidimbu, kuwedzera kwevhoriyamu kunocherechedzwa pakuwedzera kweselulosi ethers kune madhaka mhedzisiro yekudyidzana kwakaomarara kunosanganisira kukwira kwemvura, kunonoka hydration, kupindira kwemhepo, uye shanduko mune yevhu microstructure. Kunzwisisa maitiro aya kwakakosha kukwirisa kushandiswa kweselulosi ethers mumisanganiswa yedhaka uye kuzadzisa zvivakwa zvinodiwa mukuvaka zvikumbiro.
Nguva yekutumira: Zvita-01-2023