Page 146 - 《精细化工》2023年第4期

g832g ㇫㏳ࡃጒ FINE CHEMICALS す 40 ࢤ

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1716 cm ัܧ⣝᫝⮱ᑿᆋλ C==O 䩛⮱➦ᒮም喑㶕
ᬻ TA ܳၽ͚ C==O হÿOH ͸䬡ႅౕܳၽڲ⅏䩛喑
㔹 TAPE 㛉᭜ TA হ PEG ͸䬡ᒏ᜽ܳၽ䬡⅏䩛᝭㜡ȡ
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䮑ₑ͸ใ喑TA 㛉হ TAPE 㛉ౕ 3500~3000 cm ัܧ
⣝䒨ᓛ⮱ÿOH ᡜߕѥ㑖॥ᩣም喑䔆ज㘪᭜჋侹䓴
⼸͚ᄦ TA 㛉হ TAPE 㛉䔈㵹γ۟≄হ᎟✒喑Ҭ TA
ܳၽ͚㖇䯳Ҁ⮱䲋ڞФⰥο҉⩕㷘ᒞ৺ [24] 喑ᄩ㜡 TA
㛉হ TAPE 㛉㶕䲏गܧ⣝γ䒨ᓛ⮱ÿOH ѥ㑖ᡜߕ
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॥ᩣምȡTA 㛉ౕ 1068 cm ัܧ⣝γ CÿO 䩛⮱ѥ
㑖ᡜߕ॥ᩣም喑䔆᭜ TA 㛉➦ᒮም⮱̭䘕ܳ喠㔹 TAPE
㛉⩞λ TA ̻ PEG ͸䬡ᒏ᜽⮱ܳၽ䬡⅏䩛Ҭ CÿO
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䩛➦ᒮም⼨㜠 1105 cm ัȡTAPE 㛉ౕ 2881 cm ั
ϔ⩌γ CÿH 䩛⮱➦ᒮም [25] 喑䔈̭ₒ䃮ᬻ TA ̻ PEG
͸䬡䕇䓴⅏䩛Ⱕο҉⩕࠲㺳ౕ PVDF 㛉̷ȡ

ఫ 3 PVDF 㛉喍a喎ȠTA 㛉喍b喎ȠTAPE 㛉喍c喎⮱ AFM
ఫ喠㇄㈆Ꮣ࣯᪝ఫ喍d喎
Fig. 3 AFM images of PVDF membrane (a), TA membrane ఫ 4 ᩦᕔݺȠऻ PVDF 㛉⮱ FTIR 䅞ఫ
(b) and TAPE membrane (c); Roughness parameter Fig. 4 FTIR spectra of PVDF membrane before and after
graph (d) modification
⩞ఫ 3a~c ज㻮喑PVDF 㛉⮱ R a ͧ 256 nm喠㔹 2.2.2 XPS ܳᲽ
TA 㛉হ TAPE 㛉⮱ R a ܳݘͧ 296 হ 363 nm喑౴๔ ͧγᣏ⾣㛉㶕䲏ٰ㉍喑䛴⩕ X ᄱ㏬ٶ⩢ၽ㘪䅞
λ PVDF 㛉喑䄡ᬻ TA হ PEG ⮱ᑂڒजВ෋ߍ㛉⮱ Зⵁ⾣γ PVDF 㛉ȠTA 㛉হ TAPE 㛉喍M1.75喎㶕
㶕䲏㇄㈆Ꮣ喑ᅑڣ᭜ TA 㛉⊥∎ PEG Ⅱ⏣⋟ऻ喑TA 䲏⮱ࡃ႓᜽ܳ喑㐀᳉㻮ఫ 5ȡ
̻ PEG ⮱Ⱕο҉⩕䔈̭ₒ෋ߍγ TAPE 㛉㶕䲏⮱㇄
㈆Ꮣȡₑใ喑ϻ AFM ఫ㣤ᓄ⮱㇄㈆Ꮣ࣯᪝喍ఫ 3d喎
जⴒ喑㏼䓴͑⁎ᩦᕔऻ喑㇄㈆Ꮣ࣯᪝ R a ȠR q হ R z
ܳݘ⩞ PVDF 㛉⮱ 256Ƞ326 হ 1927 nm ෋ߍݝ 363Ƞ
471 হ 3685 nmȡ㐀व SEM ఫजВࣾ⣝喑TAPE 㛉
⮱倅㇄㈆Ꮣᑿ఍λ TA ̻ PEG ളⴹౕ็ႁ㐀Ჱকడ喑
㛉㶕䲏㇄㈆Ꮣ๔፲᣽ࡴᄳᰶݖλ᣽倅ᩦᕔ㛉⮱㶕䲏
⋓⎬ᕔȡ఍ₑ喑В TA ̻ PEG ᄦ PVDF 㛉䔈㵹ڞह
㶕䲏ᩦᕔ喑ᄳ䔈̭ₒ᣽倅㛉⮱ϟⅡᕔȡ
2.2 ࡃ႓᜽ܳܳᲽ
2.2.1 FTIR ܳᲽ
ఫ 5 ᩦᕔݺȠऻ PVDF 㛉⮱ XPS 䅞ఫ
ᩦᕔݺȠऻ⮱ PVDF 㛉⮱ FTIR 䅞ఫຯఫ 4 ᝭ Fig. 5 XPS spectra of films before and after modification
⹧ȡ⩞ఫ 4 ज㻮喑PVDF 㛉ౕ 1674Ƞ1404Ƞ1180Ƞ
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875 cm ัܧ⣝॥ᩣም喑ܳݘᑿᆋλ C==CȠÿCH 2Ƞ ⩞ఫ 5 जⴒ喑PVDF 㛉ౕ 286.1 হ 688.1 eV ั
ÿCF 2 হ CÿC 䩛⮱ѥ㑖ᡜߕ喑౴ͧ PVDF 㛉㜗䏘⮱ ܧ⣝γ C 1s হ F 1s ⮱㐀व㘪喑䔆᭜ PVDF 㛉᱙䏘᝭
➦ᒮም [23] ȡTA 㛉হ TAPE 㛉喍M1.75喎ౕ 1718 হ ڤᰶ⮱ȡ̻࣌ PVDF 㛉Ⱕ℁喑TA 㛉হ TAPE 㛉ౕ