Page 199 - 《精细化工》2023年第4期
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す 4 ᑍచచ喑ぶ: ✂叓 ȕ-㦎㖇㈃-䚗㯸⮪-⢶ㆠ䚴⏣㯸⮪㏠ㆠㆿၽ⮱ݣิࣷڣ䉌䒪 Į-䓈䚥 g885g
倅⊀Ꮣ⮱ NaCl ч䕍㯸⮪㶕䲏⩢㢤ᅼ㩪喑ᒀ㏠ㆠㆿ
ၽ̻㏠ㆠㆿၽ䬡ႅౕ䲆⩢Ⱕο҉⩕ᬣ喑䲆⩢ᅼ㩪
҉⩕ч䕍䲆⩢߈䭺ѻ喑ϻ㔹䕍ㆿၽ䬡ࣾ⩌
㖇䯳 [27] ȡѳ㏠ㆠㆿၽౕ̺ह NaCl ⊀Ꮣ̸⮱ㆿᒱܳ
ጰॵ⣝ᅃ䨽ࢂም喑ㆿᒱౕ 200 nm ጓठ喑́ PDI
<0.2喑㐀㶕ᬻ喑LA-Zein-MC ㏠ㆠㆿၽܳ᪐⋟ౕ
倅⊀Ꮣ NaCl ̸㶕⣝ܧ䒰ᑧ⮱⽠Ⴧᕔȡ
2.10 ⍖Ꮣᄦ LA-Zein-MC ㏠ㆠㆿၽܳ᪐⋟⽠Ⴧᕔ⮱
ᒞ৺
ఫ 10 ㏠ㆠㆿၽܳ᪐⋟ౕ̺ह pH ̸ Zeta ⩢Ѻ⮱अࡃ ఫ 12 ͧ☚ั⤳⍖Ꮣᄦ LA-Zein-MC ㏠ㆠㆿၽܳ
Fig. 10 Zeta potential change of nanoparticles dispersions ᪐⋟⮱ㆿᒱȠPDI ࣷ Zeta ⩢Ѻ⮱ᒞ৺ȡ☚ั⤳ౕ丌
at different pH
৮ߍጒ͚ᒵ፥㻮ȡₑ喑☚⽠Ⴧᕔᄦ㏠ㆠㆿၽ䓽䓀
2.9 NaCl ⊀Ꮣᄦ LA-Zein-MC ㏠ㆠㆿၽܳ᪐⋟⽠ 䲋፥䛺㺮 [28] ȡ㏠ㆠㆿၽใภ᭜⩞㒻៶ᓤࣺᏁ⩌⮱
Ⴧᕔ⮱ᒞ৺ 㖇व➖㏱喑䚗㯸⮪䚥䧍⮱अᕔ⍖Ꮣ᭜ 140 Ďጓठ [29] ȡ
䕇䓴≸Ⴧ̺ह NaCl ⊀Ꮣ̸㏠ㆠㆿၽ⮱ㆿᒱȠ ⩞ఫ 12 ज㻮喑ᒀ☚ั⤳⍖Ꮣͧ 40~80 Ďᬣ喑̺ч䕍
Zeta ⩢ѺȠPDI Გࣺ䚗㯸⮪䚥䧍হ✂叓 ȕ-㦎㖇㈃ 㯸⮪䉕अᕔȡᒀ⍖Ꮣࡴ倅ᬣ喑ㆿᏓ䔽⌽अᄼѳअ
㖇व➖࠲㸦⮱ Zein ㏠ㆠㆿၽ⮱⽠Ⴧᕔ喑㐀㻮ఫ ࡃ̺ᬻ᭫ȡ䔆᭜⩞λౕࡴ⍖䓴⼸͚㗪䨫ᆂᐭ喑䚗㯸
11喑䔆∂Όᰡߍᣒ䓾λ⣝⩌≨͚丌৮Ҁ㈨䕴 ⮪䚥䧍ܳၽڲ䘕⮱⪼Ⅱᕔ⅕ധ䚥䔽⌽ᯡ䱟喑ᑧγ㏠
ݝ⮱⣜ධУȡ⩞ఫ 11 जⴒ喑ᒀ NaCl ⊀Ꮣ⩞ 0 ㆠㆿၽ䬡⮱⪼ⅡⰥο҉⩕喑䔈㔹ᄩ㜡ㆿၽᩣ㑖ȡౕ
ߍݝ 300 mmol/L ᬣ喑LA-Zein-MC ㏠ㆠㆿၽㆿᒱ⩞ ̺ह☚ั⤳⍖Ꮣ̸喑䮼Ɑߍ☚⍖Ꮣ⮱ࡴ倅喑㏠ㆠㆿ
(211.5±3.87) nm ߍݝ(236.5±5.53) nm喑ㆿᒱߍ ၽ⮱ PDI <0.160喑60 Ďᰭѻ喑ͧ 0.127喑㶕ᬻ㏠
ᓄ䒰ᄼ喑䔆ज㘪̭䲏᭜⩞λ㏠ㆠㆿၽ㶕䲏⮱㖇व ㆠㆿၽ☚ั⤳ऻ䲋፥⽠Ⴧȡㆿᒱܳጰহ Zeta ⩢Ѻ᭜
➖ڤᰶ䒰倅⮱Πࡃᕔহ⽠Ⴧᕔ喑जВ䭺ѻ LA-Zein- 㶕ᒮ㏠ㆠㆿၽ⽠Ⴧᕔ䛺㺮ᠴᴴ喑ㆿၽㆿᒱ䊷ᄼ喑Zeta
MC ㏠ㆠㆿၽᄦ NaCl ⮱᩼ᙌᕔ喑ओ̭䲏᭜ͧ㮪 ⩢Ѻ㐊ᄦթ䊷倅喑㏠ㆠㆿၽ⮱⽠Ⴧᕔ䊷倅ȡ䮼Ɑߍ
♣ NaCl чᅼ㩪㯸⮪㶕䲏⩢㢤䕍㏠ㆠㆿၽ㖇䯳ㆿ ☚⍖Ꮣ⮱ࡴ倅喑㏠ㆠㆿၽ㶕䲏ፓ⩢䛼ᕒޔߍ喑Zeta
ᒱ๔喑ѳ᭜⩞λ㏠ㆠㆿၽ㶕䲏㺳Ⰳ⮱็㈃䪬䨫ч ⩢Ѻ㐊ᄦթߍ喑㶕ᬻ㏠ㆠㆿၽ䊷Გ䊷⽠Ⴧ喑䔆ज
ᒏ⾧䬡ᢿ߈喑ϻ㔹जВۼ㑀㯸⮪㖇䯳喑ₑ喑 㘪᭜⩞λߍ☚ᒞ৺γ㯸⮪ܳၽ͚ፓ⩢ധఏ⮱ܳጰ喑
㏠ㆠㆿᒱ⮱अࡃ㠰డ䒰ᄼȡ ϻ㔹ᒞ৺⩢Ѻ⮱अࡃ [30] ȡ
ఫ 11 NaCl ⊀Ꮣᄦ LA-Zein-MC ㏠ㆠㆿၽܳ᪐⋟ㆿᒱȠ ఫ 12 ☚ั⤳⍖Ꮣᄦ LA-Zein-MC ㏠ㆠㆿၽܳ᪐⋟ㆿᒱȠ
Zeta ⩢Ѻࣷ PDI ⮱ᒞ৺ Zeta ⩢Ѻࣷ PDI ⮱ᒞ৺
Fig. 11 Effects of NaCl concentration on particle size, Fig. 12 Effects of heat-treatment temperature on particle
Zeta potential and PDI of LA-Zein-MC size, Zeta potential and PDI of LA-Zein-MC
nanoparticles dispersions nanoparticles dispersions
䮼Ɑ NaCl ⊀Ꮣ⮱ࡴ倅喑㏠ㆠㆿၽ㶕䲏⩢㢤䛼ᕒ 2.11 㗰㗍䖀᠌ܳᲽ
ޔ䭺ѻ喑Zeta ⩢Ѻ⩞–31.5 mV ࡴ㜠–7.5 mV喑䔆᭜ ఫ 13 ͧ LA-Zein-MC ㏠ㆠㆿၽহ LA ౕ᠌㗰
ͧ喑ѻ⊀Ꮣ⮱ NaCl जВ䊤ݝ⽠Ⴧ㯸⮪⮱҉⩕喑㔹 㗍⋟͚ LA ⮱㉜⼜䛷ᩫ⢴ȡ