Page 156 - 《精细化工》2023年第4期

g842g ㇫㏳ࡃጒ FINE CHEMICALS す 40 ࢤ

aÿDPPH-A-PPEK1喠bÿDPPH-A-PPEK2喠cÿDPPH-A-PPEK3喠
dÿDPPH-A-PPEK4
ఫ 4 ̺ह A-PPEK क़䛼⮱ DPPH ᴾ㘯ౕ̺हࡴ⍖䕌⢴̸
⮱ధࡃߕ߈႓ᰟ㏬
Fig. 4 Curing kinetics curves for DPPH resins cured with
different contents of A-PPEK at various heating rates

㶕 1 ̺हक़䛼 A-PPEK ధࡃ DPPH ᴾ㘯⮱ధࡃߕ߈႓࣯᪝
Table 1 Curing kinetic parameters of different content of
A-PPEK cured DPPH resins
Ř
ŗ
ᵤ৮ T 0/Ď E a /(kJ/mol) E a /(kJ/mol)
DPPH-A-PPEK1 206.8 68.3 72.9 ఫ 5 ̺हक़䛼 A-PPEK ధࡃ DPPH ⮱|Ș*|̻⍖Ꮣ喍a喎হ
DPPH-A-PPEK2 205.0 78.3 82.4 ᬣ䬡喍b喎⮱ܪ᪝ڠ㈨
Fig. 5 |Ș*| as a function of temperature (a) and time (b) for
DPPH-A-PPEK3 191.6 91.4 94.5
A-PPEK with different content cured DPPH
DPPH-A-PPEK4 200.3 87.3 90.8
ŗ⩞ Kissinger ᫦⼸䃎ツ喠Ř⩞ Ozawa ᫦⼸䃎ツȡ 㶕 2 ̺हक़䛼 A-PPEK ధࡃ DPPH ᴾ㘯⮱≮अ࣯᪝
Table 2 Rheological parameters of DPPH reins cured with
DPPH-A-PPEK1 ⮱ E a ᰭѻ喑ϲͧ 68.3喍72.9喎 different content of A-PPEK
kJ/mol喑ధࡃࣺᏁღᭀ䔈㵹喑ѳ DPPH-A-PPEK1 ⮱ |Ș* lowest|/ T Ș<50 Pa·s/ T gel/ T process / t gel/
ᵤ৮
T 0 ᰭ倅喑䓫ݝ 206.8 Ď喑㔹 DPPH-A-PPEK3 ⮱ T 0 䭺 (Pa·s) Ď Ď Ď min
㜠 191.6 Ď喑ѳ DPPH-A-PPEK4 ⮱ T 0 ෋㜠 200.3 Ďȡ DPPH-A-PPEK1 0.167 182.5 377.1 194.6 42.3
䔆᭜⩞λ㮪♣ధࡃݯ A-PPEK क़䛼⮱෋ߍч᣽倅ధ DPPH-A-PPEK2 0.255 181.5 279.2 97.7 28.0
ࡃ≨ᕔჅ㘪ఏÿNH 2 ⮱क़䛼喑ϻ㔹ҬధࡃࣺᏁᰡᭀ DPPH-A-PPEK3 0.524 179.3 222.8 43.5 14.4
DPPH-A-PPEK4 0.543 179.0 215.7 36.7 10.4
䔈㵹喑ѳ A-PPEK ⮱ߍڒΌч᣽倅Ҁ㈨⮱叼Ꮣ喑Ҭ
ధࡃࣺᏁ䔈㵹㑀ᚏ喑ϻ㔹෋ߍధࡃࣺᏁ⮱䯫Ꮣȡ఍ ఫ 5a ౕͧ 3 Ď/min ߍ☚䕌⢴̸̺हक़䛼
ₑ喑ధࡃݯ A-PPEK क़䛼Ꭳ̺᭜䊷็䊷ສ喑ధࡃҀ A-PPEK ̻ DPPH ᴾ㘯⮱ڞ⌤Ҁ㈨⮱叼ᏓᄦᏁ⍖Ꮣ
㈨͚ధࡃݯक़䛼ႅౕᰭҠթ喑䊲䓴䄒թࣺ㔹̺ݖλ ᰟ㏬ȡ⩞ఫ 5a হ㶕 2 जᓄ喑ᴾ㘯⮱叼Ꮣ⩞ A-PPEK
ࣺᏁ䔈㵹ȡ क़䛼۠Ⴧ喑A-PPEK ధࡃ DPPH ⮱|Ș*|䮼⍖Ꮣ⮱अࡃ
2.3 ధࡃҀ㈨⮱≮अ➦ᕔܳᲽ 䊸߬ܳͧ 3 ͗䭣⃢ȡౕす̭䭣⃢͚喑᝭ᰶҀ㈨⮱叼
PN ⮱≮अ㵹ͧᄦᴾ㘯⮱ߍጒᕔ㘪ᰶⱭ䛺㺮⮱ᒞ৺ȡ Ꮣ䮼⍖Ꮣ⮱ࡴ倅㔹̺᫚̸䭺ȡDPPH-A-PPEK1Ƞ
䕇䓴㔰ᄌ̺ह A-PPEK क़䛼⮱ DPPH ధࡃҀ㈨⮱叼 DPPH-A-PPEK2ȠDPPH-A-PPEK3ȠDPPH-A-PPEK4
Ꮣ喍|Ș*|喎ᄦ⍖Ꮣ喍160~400 Ď喎⮱ܪ᪝喑䔈̭ₒⵁ 4 ⻺Ҁ㈨⮱叼Ꮣܳݘౕ 182.5Ƞ181.5Ƞ179.3Ƞ179.0 Ď
⾣γధࡃ᝭䰭⮱ߍጒ⍖Ꮣ⿄ऐহᬣ䬡ȡहᬣ喑ᄦᴾ ̸䓲䕌䭺ѻ喑䔆᭜⩞λ DPPH হ A-PPEK ͚ܳၽ䨫
㘯䔈㵹ᕿ⍖≮अ≸䄂㔰ᄌγ̺हक़䛼 A-PPEK ధࡃ ⃢⮱䓮⼨̻≨ߕ㘪߈䮼⍖Ꮣ⮱ࡴ倅㔹䔽⌽෋ᑧ喍Ҁ
DPPH ⮱ 叼 Ꮣ̻ᬣ䬡 ͸䬡⮱ڠ ㈨ȡ⩞λ ㈨⮱➖⤳अࡃ喎喑Ҭᓄڞ⌤Ҁ㈨⮱叼Ꮣᔘ䕌䭺ѻȡౕ
DPPH-A-PPEK1 ⮱ధࡃ 䕌⢴ 䒰 ᚏ 喑 ఍ ₑ DPPH- すι䭣⃢͚喑जВⰸܧ᝭ᰶҀ㈨叼Ꮣ⽠Ⴧౕ 0.1~0.5
A-PPEK1 ౕ 300 Ď̸䔈㵹ᕿ⍖≮अ≸䄂喑㔹 DPPH- Pa·s 㠰డڲȡ᝭ᰶҀ㈨ౕ叼Ꮣ<50 Pa·s ᬣ⮱⍖Ꮣ
A-PPEK2ȠDPPH-A-PPEK3ȠDPPH-A-PPEK4 ⮱ᕿ 喍T Ș<50 Pa·s 喎ݝҀ㈨܊㘣◦⍖Ꮣ喍T gel 喎㠰డڲ౴䓫ݝ
⍖≮अ౴ౕ 200 Ď̸䔈㵹≸䄂ȡ≸䄂㐀᳉ຯఫ 5a ᰭѻ叼Ꮣ喍|Ș* lowest |喎喑DPPH-A-PPEK1ȠDPPH-A-
হ b ᝭⹧喑≸䄂ᓄݝڤҀ࣯᪝㻮㶕 2ȡ PPEK2ȠDPPH-A-PPEK3ȠDPPH-A-PPEK4 ᄦᏁ⮱