| 聚合改性对铬鞣猪皮热行为的影响 |
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| 引用本文： | 邵双喜,康正立.聚合改性对铬鞣猪皮热行为的影响[J].精细化工,1995,12(3):37-40. |
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| 作者姓名： | 邵双喜 康正立 |
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| 作者单位： | 中国科学院成都有机化学研究所 |
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| 摘 要： | 利用热重法（ＴＧ）、微商热重法（ＤＴＧ）和ＩＲ法等，研究了聚合改性过程的不同单体组成对改性猪皮热行为的影响。发现并证明丙烯酸（ＡＡ）的改性猪皮中，在５３８Ｋ左右出现的热失重效应为聚丙烯酸的脱水成酐反应所为，考察了成酐反应随ＡＡ中和度、多组分改性等因素变化的规律。
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| 关 键 词： | 皮革 鞣剂 铬 猪皮 聚合 改性 热行为 |
EFFECT OF POLYMERIZED MODIFICATION ON THE THERMAL BEHAVIOR OF CHROME-TANNED PIGSKINS |
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| Abstract: | Abstract The effect of polymerized modification onthe thermal behavior of chrome-tanned pigskinshas been investigated by using a thermo-gravimetry (TG).According to various usedmonomers such as acrylic acid( AA),methylacrylate(MA),ethyl acrylate(EA),butylmethacrvlate(BMA)and their mixtures, threereaction peaks were identified in DTG curves.These were attributed to the anhvdride forma-tion(Ⅰ)at about 538K in the single AA system,the degradation of the modified collagen(Ⅱ)andthe polymer degradation(Ⅲ).Relationship be-tween the degree of the conversion to anhydrideand the neutral reactions ofAA was also dis-cussed. |
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