Methoxypolyethylene Glycols CAS 9004-74-4

Polyethylene glycol monomethyl ether bụ ihe mmepụta nke polyethylene glycol. Ọ na-agbaze na mmiri, ethanol na ihe mgbaze organic polar kacha ukwuu. Ọ bụ ihe na-adịghị agbanwe agbanwe karịa glycerol, nwere ihe ndị na-emepụta kemịkalụ kwụsiri ike, ọ naghị adị mfe hydrolyzed na ibibi, ma nwee ike hydrophilicity. Ọ nwere obere uzuoku ike ma kwụsie ike na-ekpo ọkụ. A na-eji ya dị ka ihe na-esi ísì na mmanu na ụlọ ọrụ obibi akwụkwọ na akwa akwa na ụlọ ọrụ kemịkalụ kwa ụbọchị. N'ime ụlọ ọrụ ihe owuwu ụlọ, a na-eji ya dị ka ihe eji eme ihe maka ndị na-ebelata mmiri ciment na ndị na-ewusi ike. Polycarboxylic acid dị elu nke na-ebelata mmiri na-arụ ọrụ nke ọma site na iji akụrụngwa a nwere ikike siri ike iji jide dispersibility nke ciment irighiri, na-eme ka ngwaahịa ahụ nwee uru nke obere usoro onunu ogwu, oke mbelata mmiri, mmetụta na-ewusi ike dị mma, ịdịte aka, enweghị corrosion nke ígwè. mmanya na gburugburu ebe obibi enyi. Enwere ike iji ya rụọ ọrụ dị elu, ike dị elu (C60 ma ọ bụ n'elu) ihe azụmahịa maka ịgwakọta saịtị na njem dị anya.