Page 196 - 《精细化工》2023年第4期

g882g ㇫㏳ࡃጒ FINE CHEMICALS す 40 ࢤ

⩞ఫ 2 ज㻮喑MC ⮱⌨ߍҬ㏠ㆠㆿၽㆿᒱ౴෋
๔喑䔆᭜⩞λᒀ MC ⩕䛼䓴亞হ⇎ᰶजВ॥䭱⮱ࢂ
⠙ㆿၽ喑ϻ㔹Ҭ䔈㵹㜗㏱㷲䛺᫝㖇䯳ౕ̭䊤喑ᄩ㜡
㏠ㆠㆿၽㆿᒱ෋ߍ [10] ȡ䮼Ɑ MC ⩕䛼⮱෋ߍ喑PDI
ॵٵۼᄼऻ෋๔⮱䊸߬喑ѳअࡃ፲Ꮣ䒰ᄼ喑᝭В㏠
ㆠㆿၽ⽠Ⴧᕔ䒰ສȡ
ఫ 3 ͧ Zein-MC ㏠ㆠㆿၽ⮱ Zeta ⩢Ѻ䮼Ɑ Zein
হ MC 䉕䛼℁⮱अࡃȡZein ⮱ぶ⩢◦ͧ 6.2喑ౕ pH
㏓ͧ 4 ⮱Ⅱ⏣⋟͚ፓₐ⩢㢤喑ڣ͚ 0 ◦ͧᬍ MC ⽠

Ⴧ⮱ᵤ৮喑ڣ Zeta ⩢Ѻ⮱㐊ᄦթͧ 11.8ȡ̭㝙Გ䄡喑 ఫ 4 ̺ह Zein হ MC 䉕䛼℁ݣิ⮱ Zein-MC ㏠ㆠㆿၽ
Zeta 㐊ᄦթ>20 㻳ͧ⽠Ⴧ喑ౕݣิ㏠ㆠㆿၽ⮱䓴⼸ ⮱ㆿᒱܳጰ
Fig. 4 Particle size distribution of Zein-MC nanoparticles
͚喑䮼Ɑ MC ⩕䛼⮱෋ߍ喑㏠ㆠㆿၽ⮱ Zeta ⩢Ѻϻ prepared with different mass ratios of Zein to MC
+11.8 mV 䭺㜠–34.9 mV喑ߍڒ MC ⮱㏠ㆠㆿၽ⮱
Zeta ⩢Ѻ⮱㐊ᄦթ౴>20ȡ 2.2 Zein হ LA 䉕䛼℁ᄦ LA-Zein-MC ㏠ㆠㆿၽ⮱
ᒞ৺

ఫ 5 ͧ Zein হ LA 䉕䛼℁ᄦ LA-Zein-MC ㏠ㆠ
ㆿၽ⮱ㆿᒱȠZeta ⩢ѺȠPDI ⮱ᒞ৺ȡ

ఫ 3 Zein হ MC 䉕䛼℁ᄦ Zein-MC ㏠ㆠㆿၽ Zeta ⩢Ѻ
⮱ᒞ৺
Fig. 3 Effect of mass ratio of Zein to MC on Zeta potential
of Zein-MC nanoparticles ఫ 5 Zein হ LA 䉕䛼℁ᄦ LA-Zein-MC ㏠ㆠㆿၽ⮱ㆿᒱȠ

Zeta ⩢ѺȠPDI ⮱ᒞ৺
⩞ఫ 3 जⴒ喑䮼Ɑ MC ⩕䛼⮱෋ߍ喑ፓ䉌⩢⮱ Fig. 5 Effects of mass ratio of Zein to LA on particle size,
Zeta potential and PDI of LA-Zein-MC nanoparticles
MC जВ࠲㸦ౕ Zein 㶕䲏喑Ҭ᪡͗㏠ㆠㆿၽ㶕䲏ॵ

⣝䉌⩢ᕔ喑ϻ㔹ᒏ᜽γ MC ౕภᅯ࠲㸦ڲᵥ Zein ⮱ ᒀ m(Zein)ńm(LA)=5ń1 ᬣчᰶ↶⋭ϔ⩌喍↶
ภ-ᵥಸ㏠ㆠㆿၽȡᒀ m(Zein)ńm(MC)=1ń1.8 ᬣ喑 ⋭ᬍ∂≸䛼喎喑䔆᭜఍ͧ喑ᒀ LA 䉕䛼⊀Ꮣ>0.5 g/L
ݣิ䓴⼸͚ᒏ᜽⮱㏠ㆠㆿၽܳ᪐⋟̺⽠Ⴧ喑ౕბ⍖ ᬣ喑䒰็॥䭱ౕ㏠ㆠㆿၽ㶕䲏⮱ LA ⏣㼐ౕ⏣⋟͚喑
̸ᩫ㒛܍ܳ䧌ऻღகᏂ䘕ܧ⣝ᄼ⮱ఏ㖇Ҁȡᒀ 㔹̺᭜࠲೸ౕ Zein ㆿၽڲ䘕喑ᄩ㜡ㆿၽㆿᒱᕒޔ෋
m(MC)ńm(Zein)ō1.8ń1 ᬣ喑㏠ㆠㆿၽ⮱ Zeta ⩢Ѻ ߍᑂ䊤↶⋭ȡ⩞ఫ 5 जⴒ喑䮼Ɑ LA ⩕䛼⮱෋ߍ喑
⮱㐊ᄦթ౴>30喑㶕ᬻ㏠ㆠㆿၽ͸䬡⮱ᑧ䲆⩢᫒߈ڤ LA-Zein-MC ㏠ㆠㆿၽㆿᒱ䔽⌽෋ߍ喑PDI 䔽⌽෋
ᰶ䒰倅⽠Ⴧᕔȡѳ䓴䛼⮱ MC ज㘪ч̻ڣЃㆿၽ㶕 ๔喑Zeta ⩢Ѻ㐊ᄦթٵ෋ߍऻۼᄼ喑䔆ज㘪᭜ㆿၽ
䲏ࣾ⩌䲆⩢॥ᑂ喑ϔ⩌ᶒ䔋㊛܊喑̺ݖλ㏠ㆠㆿၽ ڲ䘕হㆿၽ㶕䲏⪼Ⅱᕔ LA ⮱෋ߍҬㆿၽ⮱⪼Ⅱ➦
⮱⽠Ⴧ [11] ȡ ᕔ෋ߍ喑ϻ㔹ᄩ㜡ㆿၽ͸䬡㠰ᓤࡻ߈⮱෋ߍ喑ܳ᪐
ఫ 4 ̺ͧह Zein হ MC 䉕䛼℁ݣิ⮱ Zein-MC ᓄᰡ̺⽠Ⴧȡ⩞ m(Zein)ńm(LA)=25ń1Ƞm(Zein)ń
㏠ㆠㆿၽܳ᪐⋟⮱ㆿᒱܳጰȡ m(MC)=1ń2.4 ݣิ⮱ LA-Zein-MC ㏠ㆠㆿၽㆿᒱͧ
⩞ఫ 4 ज㻮喑Zein-MC ㏠ㆠㆿၽㆿᒱܳጰ⮱ም 235.4 nm喑Zeta ⩢Ѻͧ–32.1 mV喑PDI ͧ 0.144ȡ
ᅃ䨽⇎ᰶᱯም喑㶕ᬻ㏠ㆠㆿၽܳ᪐⋟ڤᰶࢂܳ᪐ᕔ 2.3 LA ࠲ᄮ⢴হ䒪㢜䛼
হ倅⽠Ⴧᕔȡ㐩व㔰㭾喑䛴⩕ m(Zein)ńm(MC)= 1ń 㶕 2 ͧ Zein হ LA 䉕䛼℁ᄦ LA ࠲ᄮ⢴হ䒪㢜
2.4 䔈㵹ऻ㐚჋侹ȡ 䛼⮱ᒞ৺ȡ