离子交换树脂
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- CAS号:
- 69772-06-1
- 英文名:
- DOWEX(R) 1X8
- 英文别名:
- SBR;SBR-P;1X8-50;DOWEX 1 X 8;DOWEX2X8-CL;DOWEX(R) 1X8;DOWEX 1X8-100;Dowex 1x8-50.;DOWEX 1X8-50(CI);Dowex 1X8-50(Cl)
- 中文名:
- 离子交换树脂
- 中文别名:
- DOWEX1X8-50(CL)离子交换树脂
- CBNumber:
- CB0704283
- 分子式:
- 分子量:
- 0
- MOL File:
- Mol file
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离子交换树脂化学性质
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形态:
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Beads
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颜色:
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White to dark amber
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CAS 数据库:
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69772-06-1
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离子交换树脂性质、用途与生产工艺
离子交换树脂是分子中含有活性基团而能与其他物质进行离子交换的树脂。通常可分为阳离子交换树脂和阴离子交换树脂两类。前者具有酸性功能团(如磺酸基)而能与溶液中阳离子进行交换；后者具有碱性功能团(如氨基) 而能与溶液中阴离子进行交换。
制造过程一般可分两阶段(以苯乙烯型离子交换树脂的合成为例)：(1)合成交联高聚物母体。将苯乙烯和二乙烯苯经悬浮共聚而制得交联结构的颗粒状的苯乙烯-二乙烯苯共聚物，树脂颗粒直径为0.1～2.0毫米。单体中二乙烯苯的重量百分数习惯上称做“交联度”。一般在4～12%。(2)引入具有离子 交换能力的功能团。颗粒状树脂用浓硫酸磺化，在高分子链的苯环上引入磺酸基，便成强酸性阳离子交换树脂；当苯环上引入季铵盐基时，便成为强碱性阴离子交换树脂；引入螯合基团如—N(CH2COOH)2?则制得螯合离子交换树脂。
离子交换树脂
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69772-06-1, 离子交换树脂 相关搜索:
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