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 molecule na-emepụta hydrogen bonds, nke mere na free mmiri na-aghọ agbụ mmiri na ifufe na 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 etherna-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 n'ime ngwa agha ahụ, ndị methoxy Group na hydroxypropyl na agbụ molekụla ga-ejikọta calcium na aluminom ion na slurry iji mepụta gel viscous ma jupụta oghere nke ngwa ngwa ciment, na-eme ka densification nke ngwa agha na ịrụ ọrụ nke ndochi na-agbanwe agbanwe na ịgba 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 oke n'ime ụlọ nke ngwa agha, iji hụ na hydration na hardening nke ciment na mmepe zuru oke nke ike, melite ike njikọ nke ngwa agha, ma melite nkwonkwo nke ngwa agha, nke mere na ngwa agha ahụ nwere ezigbo plasticity na mgbanwe, ma belata nrụrụ nke ngwa ngwa.
Oge nzipu: Mar-12-2024