Isi akụrụngwa nkesodium lignosulfonatebụ ihe na-emepụta benzyl propane. Otu sulfonic acid na-ekpebi na ọ nwere ezigbo mmiri solubility, ma ọ bụ ihe na-adịghị edozi na ethanol, acetone na ihe ndị ọzọ na-edozi ahụ. A pụrụ igosipụta softwood lignosulfonate site na usoro kemịkalụ ndị a C9H8.5O2.5 (OCH3) 0.55 (SO3H) 0.4.
Njirimara nhazi na nkesa molecular arọ nke lignosulfonate na-ekpebi na ọ dị iche na surfactants ndị ọzọ sịntetik n'ọtụtụ akụkụ. Ọ nwere ihe ndị a n'elu anụ ahụ na kemịkal:
1.The elu nọ n'ọrụ lignosulfonate molekul nwere ọtụtụ hydrophilic iche iche na ọ dịghị linear alkyl yinye, otú ya mmanụ solubility bụ nnọọ adịghị ike, ya hydrophilicity bụ nnọọ ike, na ya hydrophobic ọkpụkpụ bụ okirikiri, na ọ pụghị inwe a idiocha na-adọ interface ndokwa dị ka ndị nkịtị. obere molekụla surfactants. Ya mere, ọ bụ ezie na ọ nwere ike ibelata nhụsianya elu nke ngwọta ahụ, ọ na-enwe obere nchịkwa n'elu esemokwu ma ọ gaghị emepụta micelles.
2.The viscosity nke slurry nwere ike ibelata site na-agbakwụnye a obere ego nke lignosulfonate n'ime viscous slurry site adsorption na dispersion; Mgbe agbakwunyere na nkwusioru nke dị gịrịgịrị, enwere ike ibelata ọsọ nhazi nke ụmụ irighiri ihe kwụsịtụrụ. Nke a bụ n'ihi na lignosulfonate nwere hydrophilicity siri ike na electronegativity. Ọ na-etolite ìgwè anionic na ngwọta mmiri. Mgbe ọ na-adsorbed dị iche iche organic ma ọ bụ inorganic ahụ, ahụ na-anọgide na-enwe a ike dispersion steeti n'ihi na ibe ịkpọasị n'etiti anionic iche iche. Ụfọdụ ọmụmụ na-egosikwa na mgbasa ozi na mgbasa nke lignosulfonate na-akpata site na ike repulsion electrostatic na mmanye nke obere egosipụta, mmanu nke micro egosipụta bụ isi ihe kpatara mgbasa ya: mmetụta mgbasa nke lignosulfonate dịgasị iche na ịdị arọ ya na nkwusioru ya. usoro. N'ozuzu, ụmụ irighiri ihe dị arọ nke molekụla sitere na 5000 ruo 40,000 nwere mmetụta mgbasawanye ka mma.
3.chelation lignosulfonate dere ọzọ phenol hydroxyl, mmanya hydroxyl, carboxyl na carbonyl iche iche, nke un òkè eletrọn ụzọ abụọ na oxygen atom nwere ike na-etolite nchikota agbụ na metal ion, n'ihi chelation, akpụ metal chelates nke lignin, otú enwe ọhụrụ e ji mara. . Dị ka ihe atụ, chelation nke lignosulfonate na ígwè ion, chromium ion, wdg nwere ike iji kwadebe mmanụ-egwupụta apịtị thinner, na chelation na-emekwa ka o nwere ụfọdụ corrosion na ọnụ ọgụgụ mgbochi mmetụta, nke a pụrụ iji dị ka mmiri na-elekọta mmadụ.
4.The bonding ọrụ bụ eke osisi. Dị ka nrapado, a na-ekesa lignin gburugburu eriri na n'etiti obere eriri dị n'ime eriri ahụ, nke ejiri eriri na obere eriri tinye ya, na-eme ka ọ bụrụ nhazi ọkpụkpụ siri ike. Ihe kpatara na osisi enweghị ike daa ruo iri puku kwuru iri mita ma ọ bụ ọbụna ọtụtụ narị mita bụ n'ihi adhesion nke lignin. Lignosulfonate kewapụrụ na mmanya oji nwere ike gbanwee iji weghachi ike nrapado mbụ, na shuga na ihe ndị sitere na mmanya mkpofu nwere ike inye aka kwalite ike nrapado ha site na mmetụta mmekọrịta mmekọrịta.
Ọrụ 5.Foaming Arụ ọrụ ụfụfụ nke lignosulfonate yiri nke ndị na-emepụta polymer n'ozuzu, nke nwere njirimara nke ike ụfụfụ dị ala, ma nkwụsi ike dị mma nke ụfụfụ, na arụ ọrụ ụfụfụ nke lignosulfonate ga-enwe mmetụta ụfọdụ na arụmọrụ ngwa ya. Dịka ọmụmaatụ, mgbe a na-eji ya dị ka ihe na-eme ka mmiri na-emepụta ihe, n'otu aka ahụ, n'ihi mmanye nke egosipụta site na lignosulfonate, mmiri mmiri nke ihe na-eme ka ọ dịkwuo elu na ịrụ ọrụ ga-adị mma; N'aka nke ọzọ, ihe na-afụ ụfụ ga-eme ka ikuku ikuku dịkwuo elu ma belata ike nke ihe. Mgbe eji dị ka ikuku entraining mmiri mbenata gị n'ụlọnga, ọ bara uru melite ntu oyi na-eguzogide na anwụ ngwa ngwa nke ihe.
Oge nzipu: Mee-08-2023
