Page 137 - 《精细化工》2023年第4期

す 4 ᱌ ͽ㡉㧶喑ぶ: PEG/GO/TiO 2 ㏠ㆠฺवᱽ᫆ᩦᕔ PVDF 㛉⮱ݣิࣷڣោ↎ᕔ㘪 g823g

1.5 ᵤ৮㶕ᒮ HA ⏣⋟⮱॥ٶᏓ喑䕇䓴 HA ⮱ᴴ۳ᰟ㏬䃎ツܧ⍄䔼
SEM ≸䄂喟䛴⩕ SEM 㻯ᄌ GOȠGO/TiO 2 Ƞ ⋟⮱䉕䛼⊀Ꮣ [34] ȡHA ᝗⪆⢴喍R喑%喎Ƞ䕇䛼ᖏฺ
PEG/GO/TiO 2 ㏠ㆠฺवᱽ᫆হฺव䊲␑㛉⮱ᒏ䆹喑 ⢴喍FRR喑%喎Ƞᕨ↎ᴀ⢴喍P t 喑%喎Ƞज䔳↎ᴀ⢴喍P r 喑
GOȠGO/TiO 2 ȠPEG/GO/TiO 2 ㏠ㆠฺवᱽ᫆䰭ౕ 60 %喎হ̺ज䔳↎ᴀ⢴喍P ir 喑%喎⮱䃎ツຯ̸喟
Ď̸ⱌ⾧᎟✒ 4 h喑ฺव䊲␑㛉䰭ౕ 45 Ď̸ⱌ⾧᎟ FRR / % J / J u 100 喍5喎
r w
✒ 6 h喑≸䄂ݺ㛉ౕ⋟⅛͚㘳᫚Ꭳ䔈㵹૤䛾ั⤳ȡ R /% (U U ) / U u 100 喍6喎
0 1 0
FTIR ≸䄂喟䛴⩕ FTIR ≸Ⴧ GO ࣷ GO/TiO 2 Ƞ P /% (J J ) / J u 100 喍7喎
t w p w
PEG/GO/TiO 2 ㏠ㆠฺवᱽ᫆হฺव䊲␑㛉㶕䲏⮱Ⴥ P / % (J J ) / J u 100 喍8喎
㘪ఏ喑GOȠGO/TiO 2 ȠPEG/GO/TiO 2 ㏠ㆠฺवᱽ᫆ P r /% (J r J p ) / J u w 100 喍9喎
䰭ౕ 60 Ď̸᎟✒ 8 h ऻ⩕ KBr ࢸ❴喑♣ऻధჇλ ir w r w
ᐼ͚喟ȡ 0 হ ȡ 1 ܳݘͧ䔈᫆⋟হ⍄䔼⋟⮱䉕䛼⊀Ꮣ喑g/Lȡ
ᵤ৮झ̷䔈㵹≸Ⴧ喑ฺव䊲␑㛉䰭ౕ 60 Ď̸᎟✒
12 h ऻధჇλᵤ৮झ̷䔈㵹≸Ⴧ喑∏᪝㠰డͧ 2 㐀᳉̻䃕䃧
–1
4000~450 cm ȡᣒ㼓㻿≸䄂喟䛴⩕ᣒ㼓㻿≸䄂З≸
Ⴧฺव䊲␑㛉⮱ᣒ㼓㻿В㔰ᄌ㛉㶕䲏⮱ϟⅡᕔ喑⃼ 2.1 ᓛ㻯㐀Ჱহ㶕䲏➦ᕔ
ᑍ㛉❴̷䮼ᱧः 5 ͗Ѻ㒛䔈㵹≸䄂喑᝭ᓄ⮱᪝ᢛः 2.1.1 FTIR ܳᲽ
Ꭰ౴թȡ ఫ 1 ͧ GOȠGO/TiO 2 ȠPEG/GO/TiO 2 ㏠ㆠฺव
1.6 ฺव䊲␑㛉⮱ᕔ㘪≸䄂 ᱽ᫆ȠPVDF 㛉Ƞ̺हฺव䊲␑㛉⮱ FTIR 䅞ఫȡϻ
–1
1.6.1 ฺव䊲␑㛉⮱ᕨႁ䯆⢴≸䄂 ఫ 1a ज㻮喑1719 cm ัͧ GO ⮱ C==O 䩛⮱ѥ㑖ᡜ
–1
2
ͧ䃎ツᕨႁ䯆⢴喑ः 16 cm ⮱ฺव䊲␑㛉⼝ڣ ߕ॥ᩣም喑1624 cm ัͧ CÿOH ⮱ᑜᰟᡜߕ॥ᩣ
–1
䉕䛼喑Ꭳ⊥ڒࣨ⻨ၽⅡ͚喑ᒲ 24 h ऻःܧں⁎⼝ڣ ም喑1056 cm ั⮱॥ᩣምͧ CÿOÿC 䩛⮱ᡜߕ喑
–1
䉕䛼喑ᎣҬ⩕⍥ᴴࢎᅧ≸䛼㛉⮱ࣇᏓȡᕨႁ䯆⢴⩞ 㔹 3357 cm 䭱䓾ᰶ̭͗䒰ცȠ䒰ᑧ⮱॥ᩣም喑ᑿᆋ
䉕䛼∂⶛Ⴧ [33] 喑ᠶ⚔ᐼ喍1喎䔈㵹䃎ツ喟 λÿOH ⮱ѥ㑖ᡜߕȡ᪝ᢛ䃮ᬻ喑GO ͚ႅౕÿOHȠ
H /% (m m ) /(A lu u d ) 100u 喍1喎 CÿOHȠCÿOÿC হ C==O ϟⅡᕔक़⅔Ⴥ㘪ఏȡϻ
1 2 W
ᐼ͚喟İ ͧᕨႁ䯆⢴喑%喠m 2 হ m 1 ܳݘฺͧव䊲␑ ఫ 1a ज㻮喑᝭ᰶ GO/TiO 2 ㏠ㆠฺवᱽ᫆⮱ FTIR 䅞
2
㛉⊥∎ݺऻ⮱䉕䛼喑g喠A ͧ㛉䲏⼜喑16 cm 喠l ͧ ఫ͚⮱๔็᪝॥ᩣም䘪ᆋλ GO ⮱➦ᒮምȡ3299 cm –1
3
㛉ࣇᏓ喑cm喠d W ͧⅡ⮱ჳᏓ喑0.998 g/cm ȡ ั⮱ც॥ᩣምᑿᆋλ GO হ TiO 2 㶕䲏ᝃ PEG ̷⮱ÿ
–1
1.6.2 ฺव䊲␑㛉⮱㛉䕇䛼≸䄂 OH ⮱៶ѥ喑1606 cm ัͧ C==O 䩛⮱៶ѥ喑1404 cm –1
ัͧ CÿOH 䩛⮱៶ѥȡ̻ GO/TiO 2 ㏠ㆠฺवᱽ᫆Ⱕ
䛴⩕䩆≮䓴␑㷲㒛≸䄂ฺव䊲␑㛉⮱㏜Ⅱ䕇䛼
–1
2
2
J w ȲL/(m ·h)ȳ [34] ȡᰶ᩵㛉䲏⼜ͧ 16 cm 喑㈨㐌᫪ߍ ℁喑1082 cm ั⮱॥ᩣምᄦᏁλ PEG ԛ亝ऻ CÿO
䩛⮱ѥ㑖ᡜߕ喑ͧ PEG ͨ䨫⮱➦ᒮ॥ᩣም [33-35] ȡₑ
ࢸ߈⩞ N 2 ᣔݣ喑ᄳ㛉Ⴖ㷲ౕ䊲␑↍̷Ꭳౕ 0.1 MPa
–1
ใ喑1505 cm ัजᑿᆋλ䚜ധ⮱➦ᒮ॥ᩣምȡ㐀᳉
̸䶱ࢸ჋ 30 min喑ᒀ䓫ݝ⽠Ⴧ⮱䕇䛼ᬣ喑ᄳࢸ߈䄰
䃮჋喑PEG ᜽ߌౝԛ亝γ GO/TiO 2 ㏠ㆠฺवᱽ᫆ȡ
᪡ݝ 0.08 MPa ⮱ጒ҉ࢸ߈ȡ㏜Ⅱ䕇䛼჋侹㐀᲌ऻ喑
ϻఫ 1b जВࣾ⣝喑᝭ᰶ㛉䘪㶕⣝ܧ PVDF ⮱ڥಸ➦
ᄳࣨ⻨ၽⅡᰬᢏͧ HA ⏣⋟喍䉕䛼⊀Ꮣ 0.1 g/L喎喑Ꭳ
–1
ᒮ॥ᩣምȡ᝭ᰶ㛉͚⮱ PVDF ౕ 762 cm ัܧ⣝ CF 2
Ҭ⩕Ⱕह⮱᫦∂≸䄂ฺव䊲␑㛉ᄦ HA ⏣⋟⮱䓴␑ –1
2
䕇䛼 J p ȲL/(m ·h)ȳȡ≸䄂Ⴙℂऻ喑⩕ࣨ⻨ၽⅡᄦ㛉 ᑜᰟহ俕᳣ᑜᰟ॥ᩣም喑839 cm ัܧ⣝ CH 2 ᥴᥳ
–1
ᡜߕ॥ᩣምহ 975 cm ัܧ⣝ CH ใᎠ䲏अᒏ॥ᩣ
䔈㵹ٲܳ⌲≄喑♣ऻں⁎⩕ࣨ⻨ၽⅡ≸䄂㛉⮱㏜Ⅱ ም [36-37] ȡ879 হ 1404 cm –1 ั⮱͑͗ᑧ॥ᩣም᭜⩞
2
䕇䛼 J rȲL/(m ·h)ȳȡJ wȠJ pȠJ r ᠶᐼ喍2喎~喍4喎䔈㵹
–1
CF 2 अᒏᡜߕᑂ䊤⮱喑㔹 1174 cm ั⮱॥ᩣም᭜⩞
䃎ツ [34] 喟
CF 2 ⮱ѥ㑖ᡜߕᑂ䊤⮱ [38-39] ȡڣ͚喑762 হ 975 cm –1
J V /(A tu ) 喍2喎
w w ั⮱॥ᩣምᑿᆋλ PVDF ⮱ Į Ⱕ㐀ᮣ喑㔹 839Ƞ1275
J V /(A tu ) 喍3喎 –1 [37-39]
p p হ 1404 cm ั⮱॥ᩣምᆋλ ȕ Ⱕ㐀ᮣ ȡ⌨ߍ
J V /(A tu ) 喍4喎 GOȠTiO 2 ㏠ㆠㆿၽহ GO/TiO 2 ㏠ㆠฺवᱽ᫆⮱ฺव
r r
ᐼ͚喟V w ȠV r ͧ⍄䔼ࣨ⻨ၽⅡ⮱Ҁ⼜喑L喠V p ͧ⍄ 䊲␑㛉⮱➦ᒮ॥ᩣም䔼䓴⢴̻ PVDF 㛉Ⱕ℁喑ౕ
2
–1
䔼 HA ⏣⋟⮱Ҁ⼜喑L喠A ͧ㛉䲏⼜喑m 喠t ͧ⍄䔼 1404 হ 762 cm ั౴⪒ᰶ෋ߍ喑䄡ᬻฺव䊲␑㛉͚
ᬣ䬡喑hȡ ϟⅡᕔᓄݝᩦ઱喑ѳ➦ᒮም䔼䓴⢴अࡃ̺ᬻ᭫喑఍
1.6.3 ฺव䊲␑㛉⮱ោ↎ᕔ㘪≸䄂 ₑϟⅡᕔ䔅ज䔈̭ₒᩦ઱ȡ⌨ߍ PEG/GO/TiO 2 ㏠ㆠ
–1
䛴⩕㉘ใܳٶٶᏓ䃎ౕ∏䪬ͧ 254 nm ̸≸Ⴧ ฺवᱽ᫆ऻ喑762 হ 975 cm 䭱䓾⮱ Į Ⱕ➦ᒮም䔼