Njide mmiri nkecellulose ethers
Njide mmiri nke ngwa agha na-ezo aka na ikike nke ngwa agha iji jide na igbachi mmiri. Ihe dị elu nke viscosity nke cellulose ether, ka mma na-ejigide mmiri. N'ihi na usoro cellulose nwere hydroxyl na ether bonds, oxygen atom na hydroxyl na ether bond otu jikọtara ya na mmiri molekul na-emepụta hydrogen bonds, nke mere na free mmiri na-aghọ agbụ mmiri na ifufe mmiri, si otú na-arụ ọrụ nke mmiri njide.
Solubility nkecellulose ether
1. The coarser cellulose ether na-adị mfe gbasasịa na mmiri na-enweghị agglomeration, ma mgbasa ọnụego bụ nnọọ ngwa ngwa.Cellulose ethersn'okpuru 60 ntupu na-etisasịwo na mmiri maka 60 nkeji.
2. A na-agbasasị ihe ndị dị mma nke cellulose ether n'ime mmiri na-enweghị agglomeration, na mgbasa ozi na-agafeghị oke. Ihe karịrị 80 meshcellulose ethera na-agbaze n'ime mmiri ihe dịka nkeji 3.
3. Ultra-fine cellulose ether na-agbasa ngwa ngwa na mmiri, na-agbaze ngwa ngwa, na-emepụta viscosity ngwa ngwa. Ihe karịrị 120 meshcellulose etherna-agbaze n'ime mmiri maka ihe dịka 10-30 sekọnd.
Ihe kacha mma nke cellulose ether, ka mma na-ejigide mmiri. N'elu nke keadighi rariiCellulose Ether HEMCdissolves ozugbo kọntaktị na mmiri na-etolite a gel onu. Gluu na-ekpuchi ihe ahụ iji gbochie ụmụ irighiri mmiri ka ọ ghara ịga n'ihu na-abanye n'ime ya, na mgbe ụfọdụ enweghị ike ịgbasa ma gbazee mgbe ogologo oge nke ọgba aghara gasịrị, na-akpụ ihe ngwọta na-asọ oyi ma ọ bụ caking. The ezi ahụ ozugbo gbasasịrị na igbari na kọntaktị na mmiri na-etolite a edo viscosity.
Aeration nke cellulose ether
The aeration nke cellulose ether bụ tumadi n'ihi cellulose ether bụkwa a ụdị surfactant, na interfacial ọrụ nke cellulose ether tumadi emee na gas-mmiri-siri ike interface, nke mbụ site na iwebata egosipụta, sochiri dispersion na wetting. Cellulose ethers nwere otu alkyl, nke na-ebelata esemokwu elu na ike ihu nke mmiri, na-eme ka ngwọta mmiri na-emepụta ngwa ngwa na-emepụta ọtụtụ obere obere egosipụta n'oge ọgba aghara.
Gelatinicity nke cellulose ethers
Mgbe ether cellulose gbazere na ngwa agha ahụ, ìgwè methoxy na hydroxypropyl na agbụ molekụla ga-ejikọta calcium na aluminom ion na slurry iji mepụta gel viscous ma jupụta oghere nke ụrọ ciment, na-eme ka densification nke ngwa agha ahụ dịkwuo mma ma na-arụ ọrụ nke ndochi na-agbanwe agbanwe na ume. Otú ọ dị, mgbe a na-agbanye matriks mejupụtara, polymer enweghị ike ịrụ ọrụ nkwado siri ike, ya mere ike na mkpakọ mpịachi nke ngwa agha na-ebelata.
Ihe nkiri akpụ Njirimara nke cellulose ether
A na-emepụta ihe nkiri latex dị mkpa n'etiti cellulose ether na cement particles mgbe hydration gasịrị, nke nwere mmetụta mkpuchi ma na-eme ka ihicha elu nke ngwa agha dịkwuo mma. N'ihi ezigbo njigide mmiri nke cellulose ether, a na-echekwa ụmụ irighiri mmiri zuru ezu n'ime ụlọ nke ngwa agha, iji hụ na hydration na hardening nke ciment na mmepe zuru oke nke ike, meziwanye ike njikọ nke ngwa agha ahụ, ma melite cohesiveness nke ngwa agha ahụ, nke mere na ngwa agha ahụ nwere ezigbo plasticity na mgbanwe na-agbanwe agbanwe, ma belata nkwụsị nke nsị.
Oge nzipu: Mar-12-2024