Colloidal stabilization of oil-in-water emulsions in aqueous partially saponified poly(vinyl alcohol) solutions of low concentration as continuous phase
Year: 2026
Type: article
Abstract: A Ab bs st tr ra ac ct t: : W Wa at te er r--s so ol lu ub bl le e p po ol ly ym me er rs s ( (W WS SP Ps s) ) a ar re e n no or rm ma al ll ly y u us se ed d a as s t th hi ic ck ke en ne er rs s f fo or r c co ol ll lo oi id da al l s st ta ab bi il li i-z za at ti io on n o of f o oi il l--i in n--w wa at te er r ( (O O/ /W W) ) e em mu ul ls si io on ns s b be ec ca au us se e t th he e c cr re ea am mi in ng g o of f O O/ /W W e em mu ul ls si io on ns s i is s p pr re ev ve en nt te ed d b by y i in nc cr re ea as si in ng g t th he e v vi is sc co os si it ty y o of f c co on nt ti in nu uo ou us s p ph ha as se e. .W We e e ex xa am mi in ne e h he er re e t th he e e ef ff fe ec ct t o of f W WS SP Ps s s su uc ch h a as s p po ol ly y-e et th hy yl le en ne e g gl ly yc co ol l ( (P PE EG G) ), , p po ol ly yv vi in ny yl lp py yr rr ro ol li id do on ne e ( (P PV VP P) ) a an nd d p pa ar rt ti ia al ll ly y s sa ap po on ni if fi ie ed d p po ol ly y( (v vi in ny yl l a al lc co o-h ho ol l) ) ( (p ps s--P PV VA A) ) o on n t th he e c co ol ll lo oi id da al l s st ta ab bi il li iz za at ti io on n o of f O O/ /W W e em mu ul ls si io on ns s p pr re ep pa ar re ed d i in n a aq qu ue eo ou us s s so ol lu ut ti io on ns s o of f l lo ow w c co on nc ce en nt tr ra at ti io on n W WS SP P ( (0 0. .5 5 w wt t% %) ) a as s c co on nt ti in nu uo ou us s p ph ha as se e. .W We e f fo ou un nd d t th ha at t t th he e c co ol ll lo oi id da al l s st ta ab bi il li it ty y o of f W WS SP P--O O/ /W W e em mu ul ls si io on ns s p pr re ep pa ar re ed d b by y m mi ix xi in ng g s so oy y-b be ea an n o oi il l ( (S SO OY Y) ) a an nd d a aq qu ue eo ou us s p ps s--P PV VA A s so ol lu ut ti io on n w wi it th h a a r ro ot to or r--s st ta at to or r h ho om mo og ge en ni iz ze er r ( (p ps s--P PV VA A--S SO OY Y/ /W W e em mu ul ls si io on n) ) w wa as s r re em ma ar rk ka ab bl ly y h hi ig gh h c co om mp pa ar re ed d t to o o ot th he er r W WS SP Ps s--S SO OY Y/ /W W e em mu ul ls si io on ns s, , e ev ve en n i if f t th he e v vi is sc co os si it ty y o of f a aq qu ue eo ou us s p ps s--P PV VA A s so ol lu ut ti io on ns s t th ha at t w we e a ap pp pl li ie ed d i in n t th hi is s w wo or rk k w wa as s a al lm mo os st t s sa am me e w wi it th h t th ha at t o of f w wa at te er r. .I In n p pa ar rt ti ic cu ul la ar r, , t th he e p ps s--P PV VA A w wi it th h l lo ow we er r s sa ap po on ni if fi ic ca at ti io on n d de e-g gr re ee e w wa as s m mo or re e e ef ff fe ec ct ti iv ve e f fo or r c co ol ll lo oi id da al l s st ta ab bi il li iz za at ti io on n o of f O O/ /W W e em mu ul ls si io on ns s t th ha an n o ot th he er r W WS SP Ps s. .T Th he e h hi ig gh he er r c co ol ll lo oi id da al l s st ta ab bi il li it ty y o of f p ps s--P PV VA A--S SO OY Y/ /W W e em mu ul ls si io on ns s p pr re ep pa ar re ed d u us si in ng g p ps s--P PV VA A w wi it th h l lo ow we er r s sa ap po on ni if fi ic ca at ti io on n d de e-g gr re ee e i is s m mo os st t l li ik ke el ly y d du ue e t to o t th he e d de ec cr re ea as se e i in n i in nt te er rf fa ac ci ia al l t te en ns si io on n b be et tw we ee en n o oi il l a an nd d w wa at te er r b by y p ps s--P PV VA A w wi it th h l lo ow we er r s sa ap po on ni if fi ic ca at ti io on n d de eg gr re ee e, , a an nd d t th he e r re es su ul lt ti in ng g f fo or rm ma at ti io on n o of f s sm ma al ll le er r--s si iz ze ed d o oi il l d dr ro op pl le et ts s. .K Ke ey yw wo or rd ds s: : oil-in-water emulsion, colloidal stabilization, water-soluble polymer (WSP), partially saponified poly(vinyl alcohol) (ps-PVA), interfacial tension between oil and water
Source: Journal of Oleo Science
DOI: 10.5650/jos.ess26034
Authors: Toshio Sakai, Tomomi Kurasawa, Kenya Yumoto
Institution: Shinshu University
Language: English
Subfield: Physical and Theoretical Chemistry
Field: Chemistry
Domain: Physical Sciences
Open Access status: gold
Estimated APC paid: $301
OpenAlex ID: W7204795954