JP7434269B2 - 樹脂成形材料とその製造方法および樹脂部材等の製造方法 - Google Patents
樹脂成形材料とその製造方法および樹脂部材等の製造方法 Download PDFInfo
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- JP7434269B2 JP7434269B2 JP2021502271A JP2021502271A JP7434269B2 JP 7434269 B2 JP7434269 B2 JP 7434269B2 JP 2021502271 A JP2021502271 A JP 2021502271A JP 2021502271 A JP2021502271 A JP 2021502271A JP 7434269 B2 JP7434269 B2 JP 7434269B2
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- WLPUWLXVBWGYMZ-UHFFFAOYSA-N tricyclohexylphosphine Chemical group C1CCCCC1P(C1CCCCC1)C1CCCCC1 WLPUWLXVBWGYMZ-UHFFFAOYSA-N 0.000 description 1
- 125000003258 trimethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- YWWDBCBWQNCYNR-UHFFFAOYSA-N trimethylphosphine Chemical group CP(C)C YWWDBCBWQNCYNR-UHFFFAOYSA-N 0.000 description 1
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical group C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 1
- COIOYMYWGDAQPM-UHFFFAOYSA-N tris(2-methylphenyl)phosphane Chemical group CC1=CC=CC=C1P(C=1C(=CC=CC=1)C)C1=CC=CC=C1C COIOYMYWGDAQPM-UHFFFAOYSA-N 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Description
[置換基等]
本発明において、「芳香族基、不飽和基、窒素含有基、硫黄含有基、酸素含有基、リン含有基、脂環式基、及びハロゲン原子から選ばれる1価もしくは2価の基」には、耐熱性、屈折率、融点、耐光性、樹脂に対する相溶性等を調整できる基が含まれ、例えば、次のものが挙げられる。
,8-アントラセニレン基、2,7-アントラセニレン基、2,6-アントラセニレン基、1,4-アントラセニレン基、1,3-アントラセニレン基等)等が挙げられる。これらの中でも、水素原子が置換されない芳香族炭化水素基が好ましく、フェニレン基がより好ましい。
[1] 炭素数1~18の炭化水素基(アルケニル基、アルキニル基を含む炭素数2~18の炭化水素基を含む。)、ヒドロキシ基、炭素数6~18の芳香族基、炭素数1~18のエーテル基、炭素数1~18のアルコキシ基、炭素数1~18のエステル基、(メタ)アクリロイルオキシ基及び/又は炭素数1~20のポリオキシエチレン基、又はそれらの置換基で水素原子が置換されるか、基端が中断されるか炭素-炭素結合が中断されてもよい炭素数1~18の炭化水素基から選ばれる置換基を1つ以上含む。
[2] [1]において、置換基が炭素数1~10の炭化水素基、及びヒドロキシ基から選ばれる少なくとも1種である。
[3] [2]において、置換基が炭素数1~8の炭化水素基、及びヒドロキシ基から選ばれる少なくとも1種である。
[4] [1]~[3]のいずれかにおいて、置換基の炭化水素基が直鎖又は分岐のアルキル基である。
[5] [4]において、置換基がメチル基、t-ブチル基、及びヒドロキシ基から選ばれる少なくとも1種である。
[6] [5]において、置換基がメチル基、t-ブチル基、及びヒドロキシ基から選ばれる少なくとも1種であり、かつヒドロキシ基は1つ以下である。
[7] [1]から[6]のいずれかにおいて、置換基の数が2~4個である。
[8] [1]から[7]のいずれかにおいて、R1~R4のいずれかの位置に置換基を有し、それ以外のR1~R5は水素原子である。
[9] [1]から[8]のいずれかにおいて、R1、R2、R4のいずれかの位置に置換基を有し、それ以外のR1~R5は水素原子である。
[10] [9]において、R1はヒドロキシ基、R2はt-ブチル基、R4はメチル基であり、R3、R5は水素原子である。
本発明の樹脂成形材料は、チオエーテル含有基を有する2-フェニルベンゾトリアゾール誘導体および樹脂を含み、樹脂部材、樹脂成形物、樹脂成形品等の原料となるものであり、樹脂成形材料の製造、加工および他の樹脂との加熱溶融混練などの加熱工程において、紫外線吸収剤の昇華が少ない。
1.紫外線吸収剤の合成
<合成例1> 化合物1の合成
FT-IR(KBr):2956cm-1:O-H伸縮振動 1445, 1392cm-1:トリアゾール環伸縮振動 662cm-1:C-S伸縮振動
1H-NMR (CDCl3 400MHz): δ 0.89 (t, 3H, CH 3(CH2)7-S) , 1.33 (m, 8H, CH3(CH 2)4(CH2)3-S), 1.49 (m, 11H, -Ph-OH-CH3-C(CH 3)3, CH3(CH2)4CH 2(CH2)2-S), 1.73 (quin, 2H, CH3(CH2)5CH 2CH2-S), 2.38 (s, 3H, -Ph-OH-CH 3-C(CH3)3) , 3.02 (t, 2H, CH3(CH2)5CH2CH 2-S), 7.16 (s, 1H), 7.36 (d, 1H), 7.69 (s, 1H), 7.78 (d, 1H), 8.04 (s, 1H), (insg.5arom. CH), 11.62 (s, 1H, -Ph-OH-CH3-C(CH3)3)
13C-NMR (CDCl3 400MHz): δ 14.0 (CH3(CH2)7-S), 20.9 (-Ph-OH-CH3-C(CH3)3), 22.6 (CH3 CH2(CH2)5CH2-S), 28.7 (CH3CH2(CH2)4CH2CH2-S), 29.5 (-Ph-OH-CH3-C(CH3)3), 31.8 (-Ph-OH-CH3-C(CH3)3) , 33.8 (CH3(CH2)5 CH2CH2-S), 35.4 (CH3(CH2)5CH2 CH2-S), 113.6, 117.5, 119.3, 128.7, 129.2 (CHarom), 125.4, 141.2, 143.4 (C arom), 128.3 (C arom-CH3), 138.0(C arom-S), 139.1(C arom-C(CH3)3), 146.7(C arom-OH)
FT-IR(KBr):3000cm-1:O-H伸縮振動 1445, 1390cm-1:トリアゾール環伸縮振動 665cm-1:C-S伸縮振動
1H-NMR (CDCl3 400MHz): δ1.48 (s, 9H, -Ph-OH-CH3-C(CH 3)3), 2.37 (s, 3H, -Ph-OH-CH 3-C(CH3)3), 7.16 (s, 1H), 7.38 (d, 4H), 7.48 (s, 2H), 7.68 (s, 1H), 7.83 (d, 1H), 8.03 (d, 1H), (insg.10arom. CH), 11.55 (s, 1H, -Ph-OH-CH3-C(CH3)3)
13C-NMR (CDCl3 400MHz): δ20.9 (-Ph-OH-CH3-C(CH3)3), 29.5 (-Ph-OH-CH3-C(CH3)3), 35.4 (-Ph-OH-CH3-C(CH3)3), 116.8, 118.0, 119.3, 128.3, 128.8, 129.6, 132.7 (CHarom), 125.5, 141.2, 143.2 (Carom), 129.8 (C arom-CH3), 139.2 (C arom-S) , 139.2 (S-C arom), 139.2 (C arom-C(CH3)3), 146.7 (C arom-OH)
FT-IR(KBr):3000cm-1:O-H伸縮振動 1444, 1389cm-1:トリアゾール環伸縮振動 667cm-1:C-S伸縮振動
1H-NMR (CDCl3 400MHz): δ1.48 (s, 9H, -Ph-OH-CH3-C(CH 3)3), 2.37 (s, 3H, -Ph-OH-CH 3-C(CH3)3) , 2.40 (s, 3H, CH 3-Ph-S-) , 7.16 (s, 1H), 7.23 (s, 2H), 7.32 (d, 1H), 7.43 (s, 2H), 7.56 (s, 1H), 7.81 (d, 1H), 8.02 (d, 1H), (insg.9arom. CH), 11.56 (s, 1H, -Ph-OH-CH3-C(CH3)3)
13C-NMR (CDCl3 400MHz): δ20.9 (-Ph-OH-CH3-C(CH3)3), 21.2 (CH3-Ph-S-), 29.5 (-Ph-OH-CH3-C(CH3)3), 35.4 (-Ph-OH-CH3-C(CH3)3) , 115.3, 117.8, 119.3, 128.7, 129.3 130.5, 133.7(CHarom), 125.4, 141.2, 143.4 (Carom), 128.3 (C arom-CH3), 138.9(C arom-S) , 138.7(S -C arom), 139.1(C arom-C(CH3)3), 146.7(C arom-OH)
FT-IR(KBr):3000cm-1:O-H伸縮振動 1446, 1389cm-1:トリアゾール環伸縮振動 666cm-1:C-S伸縮振動
1H-NMR (CDCl3 400MHz): δ1.30 (d, 6H, (CH 3)2CH-Ph-S-), 1.48 (s, 9H, -Ph-OH-CH3-C(CH 3)3), 2.37 (s, 3H, -Ph-OH-CH 3-C(CH3)3), 2.95 (m, 1H, (CH3)2CH-Ph-S-), 7.16 (s, 1H), 7.28 (s, 2H), 7.36 (d, 1H), 7.45 (s, 2H), 7.57 (s, 1H), 7.81 (d, 1H), 8.02 (d, 1H), (insg.9arom. CH), 11.58 (s, 1H, -Ph-OH-CH3-C(CH3)3)
13C-NMR (CDCl3 400MHz): δ20.9 (-Ph-OH-CH3-C(CH3)3), 23.9 ((CH3)2CH-Ph-S-), 29.5 (-Ph-OH-CH3-C(CH3)3), 33.9 ((CH3)2 CH-Ph-S-), 35.4 (-Ph-OH-CH3-C(CH3)3), 115.3, 117.8, 119.3, 127.9, 128.7, 129.2, 129.6, 133.6 (CHarom), 125.4, 141.4, 143.3 (Carom), 128.3 (C arom-CH3), 138.5 (C arom-S), 138.5 (S -C arom), 139.1 (C arom-C(CH3)3), 146.7 (C arom-OH), 149.7 (Carom-CH)
FT-IR(KBr):3000cm-1:O-H伸縮振動 1444, 1390cm-1:トリアゾール環伸縮振動 668cm-1:C-S伸縮振動
1H-NMR (CDCl3 400MHz): δ1.36 (s, 9H, -S-Ph-C(CH 3)3), 1.48 (s, 9H, -Ph-OH-CH3-C(CH 3)3), 2.37 (s, 3H, -Ph-OH-CH 3-C(CH3)3), 7.16 (s, 1H), 7.35 (d, 1H), 7.44 (s, 4H), 7.59 (s, 1H), 7.81 (d, 1H), 8.02 (d, 1H), (insg.9arom. CH), 11.58 (s, 1H, -Ph-OH-CH3-C(CH3)3)
13C-NMR (CDCl3 400MHz): δ20.9 (-Ph-OH-CH3-C(CH3)3), 29.5 (-Ph-OH-CH3-C(CH3)3), 31.3 (-S-Ph-C(CH3)3), 34.8 (-S-Ph-C(CH3)3), 35.4 (-Ph-OH-CH3-C(CH3)3), 115.4, 117.8, 119.3, 126.8, 128.8, 129.2, 133.2 (CHarom), 125.4, 141.5, 143.3 (Carom), 128.3 (C arom-CH3), 138.5 (C arom-S), 138.5 (S -C arom), 139.1, 152.0 (C arom-C(CH3)3), 146.7 (C arom-OH)
FT-IR(KBr):2956cm-1:O-H伸縮振動 1445, 1392cm-1:トリアゾール環伸縮振動 662cm-1:C-S伸縮振動
1H-NMR (CDCl3 400MHz): δ 1.49 (m, 17H, -Ph-OH-CH3-C(CH 3)3, HOCH2(CH 2)3CH2CH2-S), 1.78 (quin, 2H, HO(CH2)4CH 2CH2-S), 2.38 (s, 3H, -Ph-OH-CH 3-C(CH3)3) , 3.03 (t, 2H, HO(CH2)5CH 2-S), 3.65 (t, 2H, HOCH 2(CH2)5-S), 7.16 (s, 1H), 7.37 (d, 1H), 7.70 (s, 1H), 7.78 (d, 1H), 8.04 (s, 1H), (insg.5arom. CH), 11.58 (s, 1H, -Ph-OH-CH3-C(CH3)3)
13C-NMR (CDCl3 400MHz): δ 20.9 (-Ph-OH-CH3-C(CH3)3), 25.3 (HO(CH2)3 CH2(CH2)2-S), 28.7 (HOCH2(CH2)2(CH2)3-S), 29.5 (-Ph-OH-CH3-C(CH3)3), 32.6 (-Ph-OH-CH3-C(CH3)3), 33.2 (HO(CH2)4 CH2CH2-S), 35.4 (HO(CH2)5 CH2-S), 62.8 (HOCH2(CH2)5-S), 113.8, 117.6, 119.3, 128.6, 129.3 (CHarom), 125.4, 141.2, 143.4 (C arom), 128.3 (C arom-CH3), 137.8 (C arom-S), 139.1 (C arom-C(CH3)3), 146.7(C arom-OH)
FT-IR(KBr):2968cm-1:O-H伸縮振動 1762cm-1:C=O伸縮振動 1448, 1367cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3 400MHz): δ 1.48 (s, 9H, -Ph-OH-CH3-C(CH 3)3) , 2.32 (s, 3H, CH 3-C=O-O-), 2.37 (s, 3H, -Ph-OH-CH 3-C(CH3)3) , 7.12 (d, 2H), 7.17(s, 1H), 7.35 (d, 1H), 7.48 (d, 2H), 7.70 (s, 1H), 7.82 (d, 1H), 8.04 (s, 1H), (insg.9arom. CH), 11.54 (s, 1H, -Ph-OH-CH3-C(CH3)3)
13C-NMR (CDCl3 400MHz): δ 20.9 (-Ph-OH-CH3-C(CH3)3), 21.1 (-Ph-OH-CH3-C(CH3)3), 29.5 (-Ph-OH-CH3-C(CH3)3) , 35.4 (CH3-C(=O)-O-), 116.9, 118.1, 119.4, 122.9, 128.9, 129.7, 133.9 (CHarom), 125.4, 141.7, 143.2 (C arom), 128.3 (Carom-CH3), 130.9 (C arom-S), 137.1 (C arom-S), 139.2 (C arom-C(CH3)3), 146.7(C arom-OH), 150.8(C arom-O-), 169.1 (CH3-C(=O)-O-)
FT-IR(KBr):2962cm-1:O-H伸縮振動 1738cm-1:C=O伸縮振動 1487, 1355cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3 400MHz): δ 1.49 (s, 9H, -Ph-OH-CH3-C(CH 3)3), 2.37 (s, 3H, -Ph-OH-CH 3-C(CH3)3) , 7.16 (s, 2H), 7.25(d, 2H), 7.36 (d, 1H), 7.50~7.56 (m, 4H), 7.63 (t, 1H), 7.72 (s, 1H), 8.04 (s, 1H), 8.20 (d, 1H), (insg.14arom. CH), 11.56 (s, 1H, -Ph-OH-CH3-C(CH3)3)
13C-NMR (CDCl3 400MHz): δ20.9 (-Ph-OH-CH3-C(CH3)3), 29.5 (-Ph-OH-CH3-C(CH3)3) , 35.4 (-Ph-OH-CH3-C(CH3)3), 116.9, 118.1, 119.4, 123.1, 128.7 , 128.9, 129.7 , 130.2, 133.8, 134.0 (CHarom), 125.4, 141.7, 143.2 (C arom), 128.3 (Carom-CH3), 129.3(C arom-C(=O)-O-Ph), 131.0 (C arom-S), 137.1 (C arom-S), 139.2 (C arom-C(CH3)3), 146.8(C arom-OH), 151.1(Ph-C(=O)-O-C arom), 164.9 (Ph-C(=O)-O-)
FT-IR(KBr): FT-IR(KBr):2963cm-1:O-H伸縮振動 1653cm-1:C=O伸縮振動 1445, 1396cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3 400MHz): δ 1.48 (s, 9H, -Ph-OH-CH3-C(CH 3)3) , 2.21 (s, 3H, CH 3-C=O-NH-), 2.37 (s, 3H, -Ph-OH-CH 3-C(CH3)3) , 7.17(s, 1H), 7.31 (d, 1H), 7.48 (d, 2H), 7.56 (d, 3H), 7.79 (d, 1H), 8.02 (s, 1H), (insg.9arom. CH), 11.54 (s, 1H, -Ph-OH-CH3-C(CH3)3)
13C-NMR (CDCl3 400MHz): δ 20.9 (-Ph-OH-CH3-C(CH3)3), 24.7 (-Ph-OH-CH3-C(CH3)3), 29.5 (-Ph-OH-CH3-C(CH3)3) , 35.4 (CH3-C(=O)-NH-), 115.6, 117.9, 119.3, 120.7, 127.9, 128.8, 134.5 (CHarom), 125.4, 141.5, 143.2 (C arom), 128.3 (Carom-CH3), 129.1 (C arom-S), 138.4 (C arom-S), 138.2 (C arom-NH),139.2 (C arom-C(CH3)3), 146.7(C arom-OH), 168.3 (CH3-C(=O)-NH-)
FT-IR(KBr):2930cm-1:O-H伸縮振動 1450, 1391cm-1:トリアゾール環伸縮振動 667cm-1:C-S伸縮振動
1H-NMR (CDCl3 400MHz): δ 1.40 (m, 4H, CH2(CH 2)2(CH2)2CH-S), 1.49 (S, 9H, -Ph-OH-CH3-C(CH 3)3), 1.54 (m, 2H, CH 2(CH2)2(CH2)2CH-S), 1.83 (m, 2H, CH2(CH2)2CH2CH 2CH-S), 2.06 (m, 2H, CH2(CH2)2CH 2CH2CH-S), 2.38 (s, 3H, -Ph-OH-CH 3-C(CH3)3), 3.29 (m, 1H, CH2CH2CH2CH-S), 7.17 (s, 1H), 7.43 (d, 1H), 7.80 (s, 1H), 7.84 (d, 1H), 8.06 (d, 1H), (insg.5arom. CH), 11.62 (s, 1H, -Ph-OH-CH3-C(CH3)3)
13C-NMR (CDCl3 400MHz): δ 20.9 (-Ph-OH-CH3-C(CH3)3), 25.7 (CH2(CH2)2 (CH2)2CH-S), 26.0 (CH2(CH2)2 (CH2)2CH-S), 29.5 (-Ph-OH-CH3-C(CH3)3), 33.1 (CH2(CH2)2(CH2)2CH-S), 35.4 (-Ph-OH-CH3-C(CH3)3), 46.3 (CH2(CH2)2 (CH2)2 CH-S), 117.2, 117.5, 119.3, 128.3, 128.8 (CHarom), 141.5, 143.2 (C arom), 125.4 (C arom-N), 131.2 (C arom-CH3), 136.1 (C arom-S), 139.1 (C arom-C(CH3)3), 146.7 (C arom-OH)
FT-IR(KBr):2960cm-1:O-H伸縮振動 1441, 1392cm-1:トリアゾール環伸縮振動 664cm-1:C-S伸縮振動
1H-NMR (CDCl3 400MHz): δ1.49 (s, 9H, -Ph-OH-CH3-C(CH 3)3), 2.38 (s, 3H, -Ph-OH-CH 3-C(CH3)3) , 4.24 (s, 2H, Ph-CH 2-S-) , 7.16 (s, 1H), 7.26~7.38 (m, 6H), 7.72 (s, 1H), 7.80 (d, 1H), 8.04 (d, 1H), (insg.10arom. CH), 11.58 (s, 1H, -Ph-OH-CH3-C(CH3)3)
13C-NMR (CDCl3 400MHz): δ20.9 (-Ph-OH-CH3-C(CH3)3), 29.5 (-Ph-OH-CH3-C(CH3)3), 35.4 (-Ph-OH-CH3-C(CH3)3), 38.6 (Ph-CH2-S-), 115.4, 117.6, 119.3, 128.7, 128.8, 128.8, 129.7, 137.0(CHarom), 125.4, 141.4, 143.4 (C arom), 128.3 (C arom-CH3), 136.5(C arom CH2-S-) , 138.7(S -C arom), 139.1(C arom-C(CH3)3), 146.7(C arom-OH)
FT-IR(KBr):3011cm-1:O-H伸縮振動 1744cm-1:C=O伸縮振動 1448, 1361cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3 400MHz): δ 1.49 (s, 9H, -Ph-OH-CH3-C(CH 3)3) , 2.05 (s, 3H, CH 3-C=O-O-), 2.39 (s, 3H, -Ph-OH-CH 3-C(CH3)3) , 3.28 (t, 2H, -C=O-O-CH2CH 2-S) , 4.33 (t, 2H, -C=O-O-CH 2CH2-S), 7.18 (d, 2H), 7.74(s, 1H), 7.83 (d, 1H), 7.87 (s, 1H), 8.06 (s, 1H), (insg.5arom. CH), 11.62 (s, 1H, -Ph-OH-CH3-C(CH3)3)
13C-NMR (CDCl3 400MHz): δ 20.8 (-Ph-OH-CH3-C(CH3)3), 20.9 (-Ph-OH-CH3-C(CH3)3), 29.6 (-Ph-OH-CH3-C(CH3)3), 32.2 (-C=O-O-CH2 CH2-S), 35.4 (CH3-C(=O)-O-), 62.5 (-C=O-O-CH2CH2-S), 115.8, 118.0, 119.4, 128.4, 135.8 (CHarom), 125.4, 141.6, 143.3 (C arom), 128.9 (Carom-CH3), 129.7 (C arom-S), 139.2 (C arom-C(CH3)3), 146.8(C arom-OH), 170.7 (CH3-C=O-O-)
中間体2(2.00g 5.59mmol)、塩化ベンゾイル(1.18g 8.39mmol)とトリエチルアミン(0.89g 11.19mmol)を塩化メチレン30mL中で、18時間室温で撹拌を行った。反応終了後、水、クロロホルムを加え酸処理、水洗を行い、有機層をエバポレートすることで粗生成物を得た。このようして得られた粗生成物をカラム精製及び再結晶することで、淡黄色固体の化合物13を得た。物性値を下記に示す。
FT-IR(KBr):2963cm-1:O-H伸縮振動 1719cm-1:C=O伸縮振動 1449, 1357cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3 400MHz): δ 1.50 (s, 9H, -Ph-OH-CH3-C(CH 3)3) , 2.39 (s, 3H, -Ph-OH-CH 3-C(CH3)3) , 3.41 (t, 2H, -C=O-O-CH2CH 2-S) , 4.59 (t, 2H, -C=O-O-CH 2CH2-S)7.19 (s, 1H), 7.38(t, 2H), 7.45 (d, 1H), 7.50 (t, 1H), 7.81 (d, 1H), 7.91~7.96 (m, 3H), 8.05 (s, 1H), (insg.10arom. CH), 11.54 (s, 1H, -Ph-OH-CH3-C(CH3)3)
13C-NMR (CDCl3 400MHz): δ 20.9 (-Ph-OH-CH3-C(CH3)3), 29.6 (-Ph-OH-CH3-C(CH3)3) , 32.5 (-C=O-O-CH2 CH2-S) , 35.4 (-Ph-OH-CH3-C(CH3)3), 63.4 (-C=O-O-CH2CH2-S)116.3, 118.0, 119.4, 128.3 , 128.9, 129.8 , 133.1, 135.8 (CHarom), 125.4, 141.6, 143.3 (C arom), 128.3 (Carom-CH3), 129.7 (C arom-S), 139.2 (C arom-C(CH3)3), 146.8(C arom-OH), 166.3 (Ph-C(=O)-O-)
中間体3(0.50g 1.24mmol)と塩化ベンゾイル(0.26g 1.86mmol)を塩化メチレン10mL中で、18時間室温で撹拌を行った。反応終了後、反応溶液にメタノールを添加し、析出物を濾過することで、黄色の粗生成物を得た。このようして得られた粗生成物を再結晶することで、淡黄色固体の化合物14を得た。物性値を下記に示す。
FT-IR(KBr): FT-IR(KBr):2955m-1:O-H伸縮振動 1654cm-1:C=O伸縮振動 1449, 1396cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3 400MHz): δ1.48 (s, 9H, -Ph-OH-CH3-C(CH 3)3), 2.37 (s, 3H, -Ph-OH-CH 3-C(CH3)3), 7.90 (m, 1H, Ph-C(=O)NH-), 7.16(s, 1H), 7.33 (d, 1H), 7.50-7.57 (m, 5H), 7.63 (s, 1H), 7.73 (d, 2H), 7.82 (d, 1H), 7.90 (m, 2H), 8.04 (s, 1H), (insg.14arom. CH), 11.55 (s, 1H, -Ph-OH-CH3-C(CH3)3)
13C-NMR (CDCl3 400MHz): δ20.9 (-Ph-OH-CH3-C(CH3)3), 29.5 (-Ph-OH-CH3-C(CH3)3) , 35.4 (-Ph-OH-CH3-C(CH3)3), 115.8, 118.0, 119.3, 121.1, 127.0 , 128.4, 128.9 , 132.1, 134.5 (CHarom), 125.4, 141.5, 143.2 (C arom), 128.3 (Carom-CH3), 128.8(C arom-C(=O)NH-), 129.2 (C arom-S), 138.1 (C arom-S), 138.5(Ph-C(=O)NH-C arom), 139.2 (C arom-C(CH3)3), 146.8(C arom-OH), 165.7 (Ph-C(=O)NH-)
FT-IR(KBr): FT-IR(KBr):2968cm-1:O-H伸縮振動 1639cm-1:C=O伸縮振動 1436, 1392cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3 400MHz): δ1.13 (t, 3H, CH 3CH2-NH-C(=O)NH-), 1.41 (s, 9H, -Ph-OH-CH3-C(CH 3)3), 2.30 (m, 3H, -Ph-OH-CH 3-C(CH3)3), 3.26 (quin, 2H, CH3CH 2-NH-C(=O)NH-), 4.63 (m, 1H, CH3CH2-NHC(=O)NH-), 6.31 (m, 1H, CH3CH2-NHC(=O)NH-), 7.08(s, 1H), 7.23 (d, 1H), 7.30 (d, 2H), 7.38 (m, 2H), 7.49 (d, 1H), 7.71 (s, 1H), 7.95 (s, 1H), (insg.9arom. CH), 11.47 (s, 1H, -Ph-OH-CH3-C(CH3)3)
13C-NMR (CDCl3400MHz): δ14.1 (CH3CH2-HNC(=O)NH-), 20.9 (-Ph-OH-CH3-C(CH3)3), 29.5 (-Ph-OH-CH3-C(CH3)3) , 35.4 (-Ph-OH-CH3-C(CH3)3), 35.4 (CH3 CH2-HNC(=O)NH-), 115.3, 117.9, 119.3, 121.1, 126.2, 128.8, 134.9 (CHarom), 125.3, 141.4, 143.2 (C arom), 128.3 (Carom-CH3), 128.9 (C arom-S), 138.7 (C arom-S), 139.1 (C arom-C(CH3)3), 139.1 (C arom-NH), 146.7(C arom-OH), 154.8 (CH3CH2-HNC(=O)NH-)
FT-IR(KBr): FT-IR(KBr):2961cm-1:O-H伸縮振動 1659cm-1:C=O伸縮振動 1444, 1396cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3 400MHz): δ1.48 (s, 9H, -Ph-OH-CH3-C(CH 3)3), 2.36 (s, 3H, -Ph-OH-CH 3-C(CH3)3), 6.60 (m, 1H, -Ph-NHC(=O)NH-), 6.73 (m, 1H, -Ph-NHC(=O)NH-), 7.16(m, 2H), 7.32 (d, 1H), 7.38 (m, 4H), 7.44 (m, 4H), 7.57 (s, 1H), 7.80 (d, 1H), 8.02 (s, 1H), (insg.14arom. CH), 11.55 (s, 1H, -Ph-OH-CH3-C(CH3)3)
13C-NMR (CDCl3400MHz): δ20.9 (-Ph-OH-CH3-C(CH3)3), 29.5 (-Ph-OH-CH3-C(CH3)3) , 35.4 (-Ph-OH-CH3-C(CH3)3), 115.5, 117.9, 119.3, 121.1, 121.9, 128.8, 129.0, 129.7, 129.6, 134.7(CHarom), 125.0, 141.5, 143.2 (C arom), 128.3 (Carom-CH3), 125.4 (Ph-S-C arom), 127.2 (C arom-S-Ph), 139.1(C arom-C(CH3)3), 137.5(Ph-HN-C(=O)-NH-C arom), 138.4(C arom-HN-C(=O)-NH-Ph), 146.7(C arom-OH), 152.7 (-HN-C(=O)-NH-)
化合物1~17をクロロホルムで100μMに溶解して、10mm石英セルに収容し、紫外可視分光光度計(日本分光社製 V-550)を用いて吸収スペクトルを測定した(図1~4)。
|350~390nmの波長領域にある吸収ピークの長波長側の傾き|=|(ピークエンドの吸光度-350~390nmの波長領域にある吸収ピークの吸光度)/(ピークエンドの吸収波長-350~390nmの波長領域にある吸収ピークの波長)|
モル吸光係数:εmax(L/(mol・cm)=A:吸光度/[c:モル濃度(mol/L)×l:セルの光路長(cm)]
モル吸光係数については、化合物1~16の化合物は、20000L/(mol・cm)以上であり、化合物17と比較して、少量で効率良く、長波長領域の紫外線を吸収し、黄色抑制効果が高いことを確認した。
化合物1~17を、それぞれ0.01g、18mm×18mmのスライドガラスに載せた。このスライドガラスを融点測定装置の上に設置し、スライドガラスの両脇にガラス管を、さらに、その上に18mm×18mmカバーガラス(上部カバーガラス)を置き、スライドガラスとカバーガラスの間に2~3mmの空間を確保し、これを昇華性評価の測定サンプルとした。
○:昇華性なし(上部カバーガラスに結晶の析出なし)
×:昇華性あり(上部カバーガラスに結晶が析出)
化合物1~21をTG/DTAを用いて、空気中、室温から5℃/minで昇温を行い、210℃で30分間ホールドし、減量率(%)を測定することによって、紫外線吸収剤の耐昇華性を評価した。
ポリスチレン樹脂(PS)、ポリメタクリル酸メチル樹脂(アクリル)、ポリカーボネート樹脂(PC)、アクリロニトリル-ブタジエン-スチレン共重合体樹脂(ABS)、ポリエチレンテレフタレート樹脂(PET)、シクロオレフィンポリマー樹脂(COP)を溶融温度(PS:100℃、アクリル:160℃、PC:220℃、ABS:220℃、PET:260℃、COP:100℃)以上に加熱して各樹脂を溶融させた後、紫外線吸収剤が5%となるように混合し、樹脂成形材料1を得た。得られた樹脂成形材料をTG/DTAを用いて、樹脂成形材料の加熱中に含まれる紫外線吸収剤の残存率を測定し、昇華性を評価した。最初に、紫外線吸収剤を含有しない樹脂について、昇温10℃/min、保持時間1h、保持温度:表4記載(~260℃)で減量率は≦0.1%であることを確認した。次に、上記の樹脂成形材料1について、同様の条件で、各温度における紫外線吸収剤に伴う減量率を測定し、紫外線吸収剤の残存率を算出した(表4)。
Claims (8)
- 200℃以上の温度での加熱工程において使用される樹脂成形材料であって、
チオエーテル含有基を有する2-フェニルベンゾトリアゾール誘導体および樹脂を含有し、
前記樹脂成形材料が、ペレット、マスターバッチ又はコンパウンドであり、
前記樹脂が熱可塑性樹脂であり、
前記2-フェニルベンゾトリアゾール誘導体は、下記式(I):
- 式(i)において、lは0であり、mは0であり、
式(j)は、-X-Z-X-H、-X-Z-Y-H、-Y-Z-X-H、又は-Y-Z-Y-Hで表される基であり、
Zは、二重結合を有する窒素含有基又は酸素含有基であり、
前記二重結合を有する2価の窒素含有基は、アミド基、尿素基、ウレタン基、イミド基、カルボジイミド基、アゾ基、ピリジン基、イミダゾール基、トルイジン基、又はニトロアルキル基であり、
前記二重結合を有する2価の酸素含有基は、カルボキシ基、カルボニル基、エステル基、オキサゾール基、カルバメート基、又はカルバモイル基である、請求項1に記載の樹脂成形材料。 - Zはエステル基である、請求項2に記載の樹脂成形材料。
- 式(j)において、Xは、水素原子が置換されない2価の脂肪族炭化水素基であり、Yは、水素原子が置換されない2価の芳香族炭化水素基又は脂環式炭化水素基である、請求項2又は3に記載の樹脂成形材料。
- 式(I)において、5位のR 9 に式(i)で表わされる1価の硫黄含有基を有し、R 6 、R 7 、R 8 がいずれも水素原子であり、R 1 、R 2 、R 3 、R 4 、R 5 は、水素原子又は、炭素数1~10の炭化水素基、及びヒドロキシ基から選ばれる少なくとも1種の置換基である、請求項2~4のいずれか一項に記載の樹脂成形材料。
- 前記熱可塑性樹脂が、スチレン系樹脂、エーテル系樹脂、(メタ)アクリル系樹脂、シクロオレフィン系樹脂、ポリカーボネート系樹脂、ポリフェニレンサルファイド系樹脂、ポリアミド系樹脂、アクリロニトリル-ブタジエン-スチレン系共重合体、およびエステル系樹脂から選ばれるいずれかである、請求項1~5のいずれか一項に記載の樹脂成形材料。
- 請求項1~6のいずれか一項に記載の樹脂成形材料の製造方法であって、前記チオエーテル含有基を有する2-フェニルベンゾトリアゾール誘導体と前記熱可塑性樹脂を200℃以上の温度で加熱溶融混練し、前記ペレット、マスターバッチ又はコンパウンドとする、樹脂成形材料の製造方法。
- 請求項1~6のいずれか一項に記載の樹脂成形材料を200℃以上の温度で加熱溶融混練し、樹脂部材、樹脂成形物、又は樹脂成形品を得る、樹脂部材、樹脂成形物、又は樹脂成形品の製造方法。
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