Page 229 - 《精细化工》2023年第4期

す 4 ᱌ ᱻͪͪ喑ぶ: PDA/DTMS-㏠ㆠ TiO 2 ᄦ㯂͊㏴➖㜗ԛฺ䊲⪼Ⅱ᪡⤳ g915g

̸喑ᔘ䕌⅔ࡃ↶⼜⮱ PDA ䷄ㆿ䊸ाᓛ㏠㐀Ჱ [14] 喑ϻ㔹 ៅऍ㐀Ჱ⮱➦ᒮ॥ᩣም [16] 喑䔆͑͗ምᆋλ㯂͊㯸⮪
ౕఫ 2cȠd ͚㻯ᄌݝ喑㏼䓴็ጡ㘧ᔘ䕌↶⼜ᩦᕔ⮱ ⮱ͨ㺮➦ᒮምȡ㯂͊㏴➖ܳݘ㏼็ጡ㘧ᔘ䕌↶⼜ᩦ
㯂͊㏴➖㶕䲏䭱Ɑγ̭Ⴧ䛼⮱ᓛ㏠㐀Ჱ PDA ䷄ㆿ喑 ᕔহ䔈̭ₒ㏼䓴 DTMS-㏠ㆠ TiO 2 ᩦᕔऻ喑ౕ 1514
–1
PDA ᩦᕔ㯂͊㶕䲏㇄㈆Ꮣ෋ߍ喑ᰶݖλ㯂͊㏴➖⪼ হ 1618 cm ั⮱ͨ㺮➦ᒮምϺႅౕ喑䄡ᬻ㶕䲏ᩦᕔ
Ⅱᕔ⮱᣽倅ȡຯఫ 2eȠf ᝭⹧喑㏼䓴 PDA/DTMS- Ꭳ᱗ᩦअ㯂͊⮱ധ᱙ι㏔㐀Ჱȡ㏼ PDA ᩦᕔ㯂͊㏴
–1
㏠ㆠ TiO 2 ᩦᕔ㯂͊㏴➖㶕䲏ᓛ㏠ㆠ㏔ݘ䷄ㆿܳጰᰡ ➖ౕ 2919 হ 2851 cm ัܧ⣝͑͗ᬻ᭫➦ᒮም喑ᑿ
ߍ㉔ჳ́ܳ᪐౴࠭喑➏➏࠲㸦ౕ㯂͊㶕䲏喑䔆⻺⽠ ᆋλ PDA ܳၽ͚ÿCH 3 হÿCH 2 ϔ⩌⮱̺ᄦ⼝ѥ㑖
Ⴧ⮱ᓛ㏠㐀Ჱᭀႅౕ⾧⅁೘ᅯ [15] 喑ҬⅡ␡̺ᭀ඘␎ ᡜߕহᄦ⼝ѥ㑖ᡜߕ [17] 喠̻࣌㯂͊㏴➖Ⱕ℁喑PDA
–1
㇄㈆㶕䲏̷⮱ܦἪ喑㏴➖ज㣤ᓄ䊲⪼Ⅱ㘪߈ȡ ᩦᕔ㯂͊㏴➖ౕ 1514 cm ั॥ᩣምΌᰶ᝭ߍᑧ喑ज
㘪᭜⩞λ PDA ܳၽ͚㠜⣜俕᳣ᡜߕም̻㯂͊䚝㘧
Ĕፓ॥ᩣምౕₑั䛺ऍ᝭㜡ȡ䔆ψ㐀᳉㶕ᬻ喑PDA
ጟ᜽ߌ䭱Ɑౕ㯂͊㏴➖㶕䲏ȡౕ PDA/DTMS-㏠ㆠ
TiO 2 ᩦᕔ㯂͊㏴➖ FTIR ᰟ㏬͚喑2919 হ 2851 cm –1
ั⮱➦ᒮ॥ᩣም䔈̭ₒ෋ᑧ [18-19] 喑ͨ㺮᭜⩞λᩦᕔ
㏠ㆠ TiO 2 ⮱ DTMS 䨫͚ႅౕ๔䛼ÿCH 3 হÿCH 2 喠
ₑใ喑ౕ 1046 cm –1 ั⮱॥ᩣምᑿᆋλ SiÿOÿSi
⮱៶ѥᡜߕ喑ज㻮 PDA/DTMS-㏠ㆠ TiO 2 ᩦᕔ㯂͊
㏴➖⮱ใӔ㷘 DTMS ⮱⵲⅔ധহ䪬☤ധ䨫᝭㺳Ⰳ喑
जВᰶ᩵䭺ѻ㏴➖⮱㶕䲏㜗⩞㘪喑PDA ̻ TiO 2 Ჱま
⮱ᓛ㏠㐀Ჱڞह҉⩕䉸εγᩦᕔ㯂͊㏴➖䊲⪼Ⅱᕔ
㶕䲏ȡ
2.4 XPS ܳᲽ
䕇䓴 XPS 㘪䅞ܳᲽᩦᕔݺऻ㯂͊㏴➖⮱㶕䲏ٰ
㉍㏱᜽হࡃ႓⟣ᔮ喑Ⱕڠ㐀᳉ຯ㶕 1 হఫ 4 ᝭⹧ȡ

㯂͊㏴➖ͨҀ᜽ܳ᭜㯸⮪䉕喑ͨ㺮ٰ㉍㏱᜽ͧ CȠNȠ
ఫ 2 ̺हᩫ๔Ժ᪝̸࣌㯂͊㏴➖喍aȠb喎ȠPDA ᩦᕔ㯂 [21]
O喑Ꭳक़ᰶᄾ䛼⮱ Si ٰ㉍ ȡ⩞㶕 1 হఫ 4a जⴒ喑
͊㏴➖喍cȠd喎ȠPDA/DTMS-㏠ㆠ TiO 2 ᩦᕔ㯂͊㏴
ᩦᕔݺऻ⮱㯂͊㏴➖౴ౕ㐀व㘪ͧ 285Ƞ400Ƞ532 eV
➖喍eȠf喎⮱ SEM ఫ
Fig. 2 SEM images of original silk fabric (a, b), PDA modified ัܧ⣝ 3 ㏱ᬻ᭫⮱➦ᒮም喑ܳݘᄦᏁ⮱᭜ C 1sȠN 1sȠ
silk fabric (c, d) and PDA/PDMS-nanoTiO 2 modified O 1sȡ̻࣌㯂͊㏴➖Ⱕ℁喑PDA ᩦᕔ㯂͊㏴➖ౕ 950
silk fabric (e, f) at different magnifications eV ัܧ⣝̭͗ᑿᆋ Cu 2p ⮱॥ᩣም喑ڣ㶕䲏⮱ C ٰ

2.3 FTIR ܳᲽ ㉍क़䛼䒰倅喑㔹 N/C ࣌ၽ➖䉕⮱䛼℁䒰ѻȡ㐀वఫ
ఫ 3 ᭜࣌㯂͊㏴➖ȠPDA ᩦᕔ㯂͊㏴➖Вࣷ 4b~c ͚PDAᩦᕔݺऻ㯂͊㏴➖⮱C 1sٶ䅞जⴒ喑PDA
PDA/DTMS-㏠ㆠ TiO 2 ᩦᕔ㯂͊㏴➖⮱ FTIR 䅞ఫȡ ᩦᕔ㯂͊㏴➖Ѻλ 286.1Ƞ288.1 eV ัܳݘᄦᏁλ C
ÿOH হ OÿC==O 䩛⮱➦ᒮምᬻ᭫ۼᑞ喑CÿC 䩛
⮱➦ᒮ॥ᩣምᑧᏓⰥᄦᰶ᝭෋ߍ喑㔹 285.5 eV ั⮱ C
ÿN ➦ᒮ॥ᩣምᑧᏓᰶ᝭ۼᑞȡ䔆ज㘪̭᫦䲏᭜఍
ͧ PDA ܳၽ㠜⣜ᝃ㔲य़ਇ㐀Ჱक़䛼䒰倅喑ڣ N/C
➖䉕⮱䛼℁ͧ 0.125 [20] 喑℁㯂͊㏴➖⮱ N/C ➖䉕⮱
2+
䛼℁ѻ喠ओ̭᫦䲏᭜⩞λ Cu ⮱㳜व҉⩕Ҭᓄ㯂͊
㏑㐡㶕䲏 PDA ܳၽ⮱䚇㓌ധȠ⅕ധぶ≨ᕔധఏ䊸ा
λڲᅯ [10] 喑ᰡ็⮱⪼Ⅱധⷠ䨫ᯡ䱟ౕใӔ喑఍㔹㶕
ᅯᣏ≸⮱ N ٰ㉍হ Cu ٰ㉍⮱ԎतምᑧᏓ䒰ᑞ喑䔆
̻ FTIR ܳᲽ͚ PDA ᩦᕔ㯂͊㏴➖͚㠜⣜俕᳣হⷠ

ఫ 3 㯂͊㏴➖ᩦᕔݺऻ⮱ FTIR 䅞ఫ 䨫॥ᩣም෋ᑧ㐀᳉̭㜡喑䔆जҬᓄᩦᕔ㏴➖⮱㶕䲏
Fig. 3 FTIR spectra of silk fabrics before and after modification Ხᕔ̸䭺喑ॵ⣝̭Ⴧ⮱⪼Ⅱ᩵᳉ȡᄦ℁ఫ 4cȠd ज

⩞ఫ 3 जⴒ喑࣌㯂͊㏴➖ౕ 1514 হ 1618 cm –1 ⴒ喑↶⼜ PDA ⮱㯂͊㏴➖㏼ DTMS-㏠ㆠ TiO 2 ᩦᕔ
ัܧ⣝γ䚝㘧Ĕፓ͚⮱ᬍ㻱ࢤᰟহ䚝㘧ēፓ͚⮱ ȕ- ऻ喑CÿOH হ CÿN ➦ᒮ॥ᩣም౴ᰶ᝭̸䭺喑ͨ㺮