Page 155 - 《精细化工》2023年第4期

す 4 ᱌ 㘎 ᰵ 喑 ぶ : 倅㔽☚㖇㟠䛇䚛ధࡃ䗨㠜ι⩟㙵ᴾ㘯 g841g

ᄳ A-PPEK ҉ͧధࡃݯᲒధࡃ DPPH ᴾ㘯喑ϻ㔹䔈
㵹̸̭ₒᣏ⾣ȡ
2.2 ధࡃࣺᏁߕ߈႓ᣏ⾣
䛴⩕䲋ぶ⍖ DSC ᄦ̺हक़䛼 A-PPEK ధࡃ
DPPH ⮱ధࡃߕ߈႓䔈㵹γⵁ⾣喑ౕ N 2 ⅈడ̸ܳݘ
В̺ह⮱ࡴ⍖䕌⢴喍5Ƞ10Ƞ15 হ 20 Ď/min喎ᄦᵤ
৮䔈㵹γ≸䄂喑ڣ͚喑ᬍ A-PPEK ⮱ᵤ৮ౕₑధࡃ
᲎У̸ᬍ∂ధࡃ᜽ಸ喑ڣ̺㘪ᒏ᜽ϑ㖁⮱̶㐡㑾㐉
㐀Ჱ喑఍ₑᬍ∂䔈㵹Ⱕڠ⮱ᕔ㘪≸䄂ȡᓄݝ⮱ DSC
ఫ 2 ̺हᵤ৮⮱ ATR-FTIR 䅞ఫ ᰟ㏬ຯఫ 4 ᝭⹧ȡܳݘҬ⩕ Kissinger হ Ozawa ͑⻺
Fig. 2 ATR-FTIR spectra of various samples ᫦⼸䃎ツధࡃҀ㈨⮱㶕㻯≨ࡃ㘪喍E a 喎 [19,22] 喑㐀᳉
݄λ㶕 1 ͚ȡ
⩞ఫ 2 जⴒ喑ౕ 3400~3500Ƞ1680Ƞ1251 cm –1
⩞ఫ 4 হ㶕 1 जВⰸܧ喑A-PPEK ҉ͧధࡃݯ
ั⮱॥ᩣምܳݘͧќ㘧̷ NÿH ⮱ѥ㑖ᡜߕ॥ᩣ
ᄦ DPPH ڤᰶ䒰倅⮱ధࡃ≨ᕔ喑̺ह᫦∂䃎ツᓄݝ
ምȠᱯ㥅㖁㠜㐀Ჱ͚ڲ䚝㘧㓝ധ喍C==O喎⮱➦ᒮ॥
⮱ E a ౴<100 kJ/molȡ́䮼Ɑ A-PPEK क़䛼⮱෋ߍ喑
ᩣምȠ㠜⣜喍Ar喎̷䛇䩛喍ArÿOÿAr喎⮱ѥ㑖ᡜߕ
1
॥ᩣምȡ㐩̷喑 HNMR হ FTIR ⮱ٶ䅞䘪䃮ᬻγ ధࡃҀ㈨⮱݊໸ధࡃ⍖Ꮣ喍T 0 喎ٵ䭺ѻऻࡴ倅喑㔹
䕇䓴̺ह᫦∂䃎ツᓄݝ⮱ E a ౴ٵ෋๔ऻۼᄼȡ
A-PPEK ⮱᜽ߌव᜽ȡ
䔶ः DPPH-A-PPEK2 䔈㵹 ATR-FTIR ≸䄂喑㐀
–1
᳉ຯఫ 2 ᝭⹧ȡధࡃऻ喑ౕ 3400~3500 cm 㠰డڲ
⇎ᰶܧ⣝ A-PPEK 㐀Ჱ͚ќ㘧̷ NÿH ⮱ѥ㑖ᡜߕ
–1
॥ᩣም喑2230 cm ัͧ⅝ധ⮱➦ᒮ॥ᩣም喑ڣ䔼䓴
–1
⢴ۼᑞȡₑใ喑1010Ƞ1349Ƞ1516 হ 1721 cm ั
⮱᫝➦ᒮምᑿ఍λ䚋㣮⣜Ƞ̶ଗ⣜হᐯय़ਇ੶⣜㐀
Ჱ⮱ѥ㑖ᡜߕ [17,19] ȡ
ᄦݣิ⮱ A-PPEK ̻፥⩕⮱ᄼܳၽ㟠仆ι㘧ధ
ࡃݯ DDS 䔈㵹γ☚๞䛺≸䄂喑㐀᳉ຯఫ 3 ᝭⹧ȡ

ఫ 3 A-PPEK হ DDS ⮱ TGA ᰟ㏬
Fig. 3 TGA curves of A-PPEK and DDS

⩞ఫ 3 ज㻮喑A-PPEK ⮱ 5%☚๞䛺⍖Ꮣ喍T d5% 喎
喍417.8 Ď喎℁ DDS ⮱喍348.5 Ď喎㺮倅ܧ 69.3 Ďȡ
⩞λౕ 400 Ďᬣ DDS ч䓲䕌ࡴࡻ喑᝭В䔆ᬣຯ᳉
䛴⩕ DDS ͧధࡃݯౕ́倅⍖ధࡃ⮱᲎У̸ᒵღᭀ
ౕᴾ㘯͚ᒏ᜽㑧䮤喑̻ₑⰥࣺ喑ౕ䄒⍖Ꮣ̸ A-PPEK
Ϻᰶ>95%⮱䉕䛼Ԋ⪆⢴ȡ㐩̷᝭䔝喑A-PPEK ⮱☚
⽠Ⴧᕔ℁㟠仆ι㘧ధࡃݯ DDS ᰡߍхᐯ喑఍ₑजВ