1. Ihe e ji emepụta cellulose ether
Cellulose ether maka owuwu bụ polima na-agbaze mmiri na-abụghị ionic nke isi iyi ya bụ:
Cellulose (ihe e ji osisi rụọ ma ọ bụ owu linte), hydrocarbons halogenated (methane chloride, ethyl chloride ma ọ bụ halides ogologo ogologo ndị ọzọ), ihe ndị mejupụtara epoxy (ethylene oxide, propylene oxide, wdg)
HPMC-Hydroxypropyl Methyl Cellulose Ether
HEC-Hydroxyethyl Cellulose Ether
HEMC-Hydroxyethyl Methyl Cellulose Ether
EHEC-Ethyl Hydroxyethyl Cellulose Ether
MC-methyl cellulose ether
2. Àgwà nke cellulose ether
Njirimara nke cellulose ethers dabere na:
Ogo Polymerization DP Ọnụọgụ nke nkeji glucose - viscosity
Ihe nnọchi anya na ogo nnọchi ha, ogo nha anya nke nnọchi anya —- chọpụta mpaghara ngwa
Nha nke ihe ndị dị ndụ—-Mgbaze
Ọgwụgwọ elu (ya bụ, igbu oge ịgbaze)—-oge viscosity metụtara uru pH nke sistemụ ahụ
Nzere mgbanwe—-Melite iguzogide sag na ike ọrụ nke cellulose ether.
3. Ọrụ nke cellulose ether - njigide mmiri
Cellulose ether bụ ngwakọta polymer yinye nke mejupụtara nkeji β-D-glucose. Otu hydroxyl dị na molekul na atọm oxygen dị na njikọ ether na-emepụta njikọ hydrogen na molekul mmiri, nke na-amịkọrọ molekul mmiri n'elu yinye polymer ma na-ekekọta molekul. N'ime yinye ahụ, ọ na-egbu oge ịgbọpụta mmiri ma oyi akwa ntọala na-amịkọrọ ya.
Uru ndị a na-enweta site na njirimara nchekwa mmiri nke cellulose ethers:
Ọ dịghị mkpa ka mmiri dị n'okpuru ala, na-azọpụta usoro
ezigbo owuwu
ike zuru oke
4. Ọrụ nke cellulose ether - mmetụta nke thickening
Cellulose ether nwere ike ime ka njikọ dị n'etiti ihe ndị dị na ngwa agha gypsum dịkwuo elu, nke a na-egosipụta na mmụba nke nguzozi nke ngwa agha ahụ.
Uru ndị bụ isi nke ịgbasa cellulose ethers bụ:
Belata ntụ ala
Mee ka njikọ dị na ntọala dịkwuo mma
Belata mwụda nke ngwa agha
mee ka ngwa agha ahụ dịrị otu ebe
5. Ọrụ nke cellulose ether - ọrụ elu
Cellulose ether nwere otu hydrophilic (òtù hydroxyl, njikọ ether) na otu hydrophobic (òtù methyl, otu ethyl, mgbanaka glucose) ma bụrụ ihe na-eme ka mmiri dị n'ime ya.
(Mgbawa elu mmiri bụ 72mN/m, surfactant bụ 30mN/m, cellulose ether bụkwa HPC 42, HPMC 50, MC 56, HEC 69, CMC 71mN/m)
Uru ndị bụ isi nke ọrụ elu nke cellulose ethers na-enye bụ:
Mmetụta nke itinye ikuku n'ime (ịkpụcha dị nro, obere njupụta mmiri mmiri, obere modulus na-agbanwe agbanwe, iguzogide oyi na-eme ka ọ gbazee)
Mmiri mmiri (na-eme ka njikọta na ihe ndị dị n'okpuru ala dịkwuo mma)
6. Ihe achọrọ maka gypsum plastering dị mfe maka cellulose ether
(1). Ezigbo nchekwa mmiri
(2). Ọ dị mma ịrụ ọrụ, ọ dịghị mkpa ịkpụcha ihe
(3). Ịkpụcha otu dị mfe
(4). Mgbochi siri ike nke na-egbochi ịda mba
(5). Okpomọkụ jel dị elu karịa 75°C
(6). Ọkwa mgbasa ngwa ngwa
(7). Ọ kacha mma inwe ike ịkụnye ikuku ma mee ka afụ ikuku dị n'ime ngwa agha ahụ sie ike
11. Otu esi ekpebi usoro ether cellulose dị
Maka itinye plasta, ọ dị mkpa ka e debe mmiri zuru oke n'ime ite ahụ ruo ogologo oge iji nwee ike ịrụ ọrụ nke ọma ma zere mgbawa elu. N'otu oge ahụ, cellulose ether na-ejigide mmiri kwesịrị ekwesị ruo ogologo oge iji mee ka ite ahụ nwee usoro coagulation kwụsiri ike.
Ọnụọgụ nke cellulose ether na-adabere na:
Viscosity nke cellulose ether
Usoro mmepụta nke cellulose ether
Ọdịnaya na Nkesa nke Cellulose Ether
Nkesa nha nke Cellulose Ether
Ụdị na ihe mejupụtara nke ngwa agha gypsum
Ike nnabata mmiri nke oyi akwa isi
Mmiri maka Mgbasa Ọgba nke Gypsum
Oge ịtọ oge maka ngwa agha gypsum
Ọkpụrụkpụ ihe owuwu na arụmọrụ ihe owuwu
Ọnọdụ owuwu (dịka okpomọkụ, ọsọ ifufe, wdg)
Usoro owuwu (ịkpụcha aka, ịgba ihe n'ime igwe)
Oge ozi: Jenụwarị-18-2023