Page 147 - 《精细化工》2023年第4期
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す 4 䭵ᓛᓛ喑ぶ: 䊲ϟⅡ๖♣็䚇ᩦᕔ㛉⮱ݣิࣷڣ⇦Ⅱܳ⻨ᕔ㘪 g833g
533.1 eV ᰶᬻ᭫⮱ O 1s ➦ᒮም喑䮑ₑใ喑TA 18.50%হ 19.60%ȡ⩞ₑजⴒ喑TA ܳၽ͚⮱ÿOH
㛉হ TAPE 㛉⮱ C 1s হ O 1s ➦ᒮምᑧᏓϔ⩌ᬻ᭫⮱ ̻ PEG ܳၽ͚⮱ CÿOÿC ϔ⩌⅏䩛҉⩕ȡₑใ喑
̷ࡴ䊸߬ȡ TAPE 㛉⮱ O/C 䉕䛼℁喍0.34喎倅λ TA 㛉喍0.32喎喑
ఫ 6aȠb ͧ PVDF 㛉হ TAPE 㛉⮱ C 1s ᵥᓰ㏔ 䔆ψ㐀㶕ᬻ喑㏼䓴͑⁎⊥⌺ᩦᕔ喑TA হ PEG
XPS 䅞ఫ喑PVDF 㛉হ TAPE 㛉ౕ 286.2 হ 290.8 eV ߌ࠲㺳ౕγ PVDF 㛉㶕䲏喑̻ TAPE 㛉⮱ FTIR 㶕ᒮ
ัܳݘᄦᏁ CÿC 䩛হ CÿF 䩛ȡₑใ喑TAPE 㛉ౕ 㐀̭㜡ȡ
284.8 eV ัܧ⣝γ CÿO 䩛ȡ 2.3 㶕䲏⋓⎬ᕔ
䛴⩕ᣒ㼓㻿≸ჇЗᄦᩦᕔݺȠऻ PVDF 㛉⮱⋓
⎬ᕔ䔈㵹γ䃱Фȡఫ 7 ܳݘͧ PVDF 㛉হ TAPE 㛉
喍M1.75喎⮱ WCA হ UOCA Вࣷ M1.25ȠM1.50Ƞ
M1.75 হ M2.00 ⮱ UOCAȡ⩞ఫ 7aȠd जⴒ喑PVDF
㛉⮱ WCA ㏓ͧ 93°喑䲆㒛ऻⅡ␡ϺԊᠮ݊๔ᄼ喑
㶕ᬻ PVDF 㛉᱙䏘ڤᰶ⪼Ⅱᕔȡ㏼䓴 TA হ PEG ᩦ
ᕔऻᓄݝ⮱ TAPE 㛉ڤᰶх㞜⮱ϟⅡᕔ喑TAPE 㛉⮱
WCA ͧ 0°喑䲆㒛 2 s ऻⅡ␡Ⴙڕ䔼䓴㛉ȡ䔆᭜ͧ喑
TA হ PEG 䬡ᒏγܳၽ䬡⅏䩛ȡₑใ喑ϻ TAPE
㛉⮱ SEM ఫহ AFM ఫजⴒ喑TAPE 㛉⮱㶕䲏㇄㈆
Ꮣᰡ๔喑जВ倅ڣ㶕䲏⋓⎬ᕔȡ
ఫ 6 PVDF 㛉喍a喎হ TAPE 㛉喍b喎⮱ C 1s ᵥᓰ㏔ XPS
䅞ఫ
Fig. 6 C 1s core-level XPS spectra of PVDF (a) and TAPE
(b) membranes
ͧγ䔈̭ₒᣏ⾣ᩦᕔݺȠऻ㛉⮱㶕䲏ࡃ႓ܳ喑
㶕 1 ݄ܧγ PVDF 㛉ȠTA 㛉হ TAPE 㛉㶕䲏⮱ٰ㉍
㏱ȡ
㶕 1 PVDF 㛉ȠTA 㛉হ TAPE 㛉㶕䲏⮱ٰ㉍㏱
Table 1 Elemental composition on the surface of PVDF,
TA and TAPE membranes
䉕䛼ܳ/%
ᵤ৮ O/C 䉕䛼℁
C O F
PVDF 㛉 49.90 1.61 48.49 0.03
TA 㛉 61.96 19.54 18.50 0.32
TAPE 㛉 60.07 20.33 19.60 0.34
⩞㶕 1 जⴒ喑PVDF 㛉㶕䲏⩞䉕䛼ܳ喍Ⱕᄦ
λ CȠOȠF ٰ㉍ᕨহ喎ͧ 49.90%⮱ CȠ1.61%⮱ O
হ 48.49%⮱ F ㏱喠㏼䓴ᩦᕔऻ喑TA 㛉হ TAPE
㛉㶕䲏⮱ CȠO 䉕䛼ܳܳݘߍݝ 61.96%হ
60.07%Ƞ19.54%হ 20.33%喑F 䉕䛼̸ܳ䭺ݝ