CN116462921A - 一种氯离子选择性聚合膜的制备方法 - Google Patents
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- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 title claims abstract description 55
- 239000012528 membrane Substances 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 150000002500 ions Chemical class 0.000 claims abstract description 44
- 239000004014 plasticizer Substances 0.000 claims abstract description 18
- 229920000642 polymer Polymers 0.000 claims abstract description 15
- 230000004807 localization Effects 0.000 claims abstract description 14
- 229920005597 polymer membrane Polymers 0.000 claims abstract description 13
- GYTDJCTUFWFXBE-UHFFFAOYSA-M (2,2,2-trifluoroacetyl)oxymercury Chemical compound [Hg+].[O-]C(=O)C(F)(F)F GYTDJCTUFWFXBE-UHFFFAOYSA-M 0.000 claims abstract description 9
- MIMDHDXOBDPUQW-UHFFFAOYSA-N dioctyl decanedioate Chemical group CCCCCCCCOC(=O)CCCCCCCCC(=O)OCCCCCCCC MIMDHDXOBDPUQW-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 7
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 7
- 239000011521 glass Substances 0.000 claims description 34
- 239000000243 solution Substances 0.000 claims description 26
- 229910021607 Silver chloride Inorganic materials 0.000 claims description 20
- 229910052709 silver Inorganic materials 0.000 claims description 20
- 239000004332 silver Substances 0.000 claims description 20
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 17
- 238000011049 filling Methods 0.000 claims description 13
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 claims description 9
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 7
- 239000012266 salt solution Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 150000003841 chloride salts Chemical class 0.000 claims description 5
- 239000001103 potassium chloride Substances 0.000 claims description 5
- 235000011164 potassium chloride Nutrition 0.000 claims description 5
- NBQXYAJLUDQSNV-UHFFFAOYSA-N 1-[(4-methylphenyl)methyl]-5-oxopyrrolidine-3-carboxylic acid Chemical compound C1=CC(C)=CC=C1CN1C(=O)CC(C(O)=O)C1 NBQXYAJLUDQSNV-UHFFFAOYSA-N 0.000 claims description 4
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical group C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- SNNIPOQLGBPXPS-UHFFFAOYSA-M tetraoctylazanium;chloride Chemical compound [Cl-].CCCCCCCC[N+](CCCCCCCC)(CCCCCCCC)CCCCCCCC SNNIPOQLGBPXPS-UHFFFAOYSA-M 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000003517 fume Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000012088 reference solution Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- FQKBLFUIXRKJBL-UHFFFAOYSA-N triacontan-1-amine;hydrochloride Chemical group Cl.CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCN FQKBLFUIXRKJBL-UHFFFAOYSA-N 0.000 claims description 3
- 229910021642 ultra pure water Inorganic materials 0.000 claims description 3
- 239000012498 ultrapure water Substances 0.000 claims description 3
- 238000001291 vacuum drying Methods 0.000 claims description 3
- CFPFMAGBHTVLCZ-UHFFFAOYSA-N (4-chlorophenoxy)boronic acid Chemical compound OB(O)OC1=CC=C(Cl)C=C1 CFPFMAGBHTVLCZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 2
- 229910021380 Manganese Chloride Inorganic materials 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- RCTYPNKXASFOBE-UHFFFAOYSA-M chloromercury Chemical compound [Hg]Cl RCTYPNKXASFOBE-UHFFFAOYSA-M 0.000 claims description 2
- 229960002089 ferrous chloride Drugs 0.000 claims description 2
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 claims description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 2
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 2
- 239000011565 manganese chloride Substances 0.000 claims description 2
- 235000002867 manganese chloride Nutrition 0.000 claims description 2
- 229940099607 manganese chloride Drugs 0.000 claims description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 2
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011780 sodium chloride Substances 0.000 claims description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 2
- YNHJECZULSZAQK-UHFFFAOYSA-N tetraphenylporphyrin Chemical compound C1=CC(C(=C2C=CC(N2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3N2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 YNHJECZULSZAQK-UHFFFAOYSA-N 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- HFKJQIJFRMRSKM-UHFFFAOYSA-N [3,5-bis(trifluoromethyl)phenoxy]boronic acid Chemical compound OB(O)OC1=CC(C(F)(F)F)=CC(C(F)(F)F)=C1 HFKJQIJFRMRSKM-UHFFFAOYSA-N 0.000 claims 1
- -1 ammonium triacontyl chloride Chemical compound 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 abstract description 5
- 235000019270 ammonium chloride Nutrition 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 3
- 150000001450 anions Chemical class 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229920006254 polymer film Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000002555 ionophore Substances 0.000 description 1
- 230000000236 ionophoric effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- KAVKNHPXAMTURG-UHFFFAOYSA-N n-(4-bromonaphthalen-1-yl)acetamide Chemical compound C1=CC=C2C(NC(=O)C)=CC=C(Br)C2=C1 KAVKNHPXAMTURG-UHFFFAOYSA-N 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229940116351 sebacate Drugs 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- GPQCSCQDQNXQSV-UHFFFAOYSA-N tridodecylazanium;chloride Chemical compound Cl.CCCCCCCCCCCCN(CCCCCCCCCCCC)CCCCCCCCCCCC GPQCSCQDQNXQSV-UHFFFAOYSA-N 0.000 description 1
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Abstract
本申请属于离子选择性电极技术领域,具体为一种氯离子选择性聚合膜的制备方法,所述氯离子选择性聚合膜包括氯离子载体、高分子聚合物、增塑剂和离子定域体,所述氯离子载体、高分子聚合物、增塑剂和离子定域体的比为1‑8:100‑150:200‑300:0.1‑2,所述氯离子载体为4,5‑二甲基‑3,6‑二辛氧基‑邻亚苯基‑双(三氟乙酸汞),所述高分子聚合物为聚氯乙烯,所述增塑剂为葵二酸二正辛酯,所述离子定域体为三十二烷基氯化铵。在制备时加入离子定域体三十二烷基氯化铵,使制备的氯离子选择性聚合膜在检测氯离子时不受其他阴离子的干扰。
Description
技术领域
本申请属于离子选择性电极技术领域,具体为一种氯离子选择性聚合膜的制备方法。
背景技术
离子选择性聚合膜是一类利用膜电势测定溶液中离子的活度或浓度的电化学传感器,当它和待测离子的溶液接触时,在它的敏感膜和溶液的向界面上产生与该离子活度直接有关的膜电势。离子选择性电极也称膜电极,这类电极有一层特殊的电极膜,电极膜对特定的离子具有选择性响应,电极膜的电位与待测离子含量之间的关系符合能斯特公式。
水是生命之源,为了用水安全,需要检测水中各离子的浓度,尤其是氯离子的浓度,然而现有的离子选择性膜制备方法复杂且选择性差。
发明内容
为了解决现有技术的问题,本申请提供了一种氯离子选择性聚合膜的制备方法,本申请是通过下述方案实现的:
一种氯离子选择性聚合膜,包括氯离子载体、高分子聚合物、增塑剂和离子定域体,所述氯离子载体、高分子聚合物、增塑剂和离子定域体的比为1-8:100-150:200-300:0.1-2,所述氯离子载体为4,5-二甲基-3,6-二辛氧基-邻亚苯基-双(三氟乙酸汞),所述高分子聚合物为聚氯乙烯,所述增塑剂为葵二酸二正辛酯,所述离子定域体为三十二烷基氯化铵。
一种氯离子选择性聚合膜的制备方法,制备步骤如下:S1将氯离子载体、高分子聚合物、增塑剂、离子定域体和溶剂混合均匀,于400-1000rpm的转速下搅拌2-5小时,得到澄清透明的溶液;S2将玻璃板置于水平工作台,放置在通风橱内,用湿膜涂布器将步骤S1中得到的溶液涂布在玻璃板上得湿膜,涂布厚度为50μm或100μm或150μm或200μm;S3将湿膜于20-25℃下自然晾干2-5小时,后将玻璃板放置在真空干燥箱中于20-25℃下干燥8-12小时得聚合膜;S4将氯盐溶于水中配置氯离子浓度为100μM-100mM的盐溶液,后将聚合膜置于盐溶液中浸泡12-36小时,后用大量超纯水清洗干净,膜片制备完成;S5将膜片切割后装配成双盐桥离子选择电极。
进一步的,所述溶剂为四氢呋喃或环己酮;所述氯盐为氯化钠、氯化钾、氯化镁、氯化铁、氯化亚铁中的一种或多种。
更进一步的,所述溶剂与氯离子载体、高分子聚合物、增塑剂、离子定域体的质量和之比为10-20mL:1-3g。
更进一步的,所述4,5-二甲基-3,6-二辛氧基-邻亚苯基-双(三氟乙酸汞)可由5,10,15,20-四苯基-21H,23H-卟吩氯化锰或3,6-二十二烷氧基-4,5-二甲基-邻亚苯基-双(氯化汞)代替。
更进一步的,所述聚氯乙烯可由聚甲基丙烯酸甲酯代替。
更进一步的,所述葵二酸二正辛酯可由邻硝基苯基辛基醚或/和邻苯二甲酸二丁酯代替。
更进一步的,所述三十二烷基氯化铵可由四(4-氯苯基)硼酸钾、四辛基氯化铵、四(3,5-二(三氟甲基)苯基)硼酸钠中的一种或多种代替;所述双盐桥离子选择电极的一侧设有多孔陶瓷芯。
更进一步的,所述双盐桥离子选择电极包括银/氯化银参比电极、热敏电阻和银/氯化银参比电极丝,所述双盐桥离子选择电极的底部设有氯离子选择性聚合膜,所述离子选择性聚合膜的上方设有内填充液,所述内填充液的上方设有盐桥,所述银/氯化银参比电极和热敏电阻的底部插入盐桥内,所述银/氯化银参比电极丝的底部插入内填充液中。
更进一步的,所述银/氯化银参比电极包括左玻璃管及位于左玻璃管内部银/氯化银参比电极丝,所述左玻璃管内部设有内参液,所述左玻璃管的底部设有多孔陶瓷芯,所述热敏电阻包括右玻璃管及位于右玻璃管内部的热敏电阻引线,所述热敏电阻引线的底部设有热敏电阻,所述右玻璃管的底部设有导热硅脂。
更进一步的,所述内参液为3mol/L的氯化钾溶液;所述内填充液为10-3-10-1mol/L的氯离子溶液;所述双盐桥离子选择电极的一侧设有多孔陶瓷芯,多孔陶瓷芯的设置可实现电极与外部溶液的离子交换。
有益效果:(1)在制备时加入离子定域体三十二烷基氯化铵,使制备的氯离子选择性聚合膜在检测氯离子时不受其他阴离子的干扰;(2)通过本申请制备的氯离子选择性聚合膜稳定性高且灵敏度高;(3)通过将聚合膜置于盐溶液中浸泡12-36小时,增加聚合膜的活性;(4)申请制备方法简单且操作简单,不需要添加各种掩蔽剂及指示剂,大大减少了试剂的消耗。
附图说明
为了更清楚地说明本申请实施例中的技术方案,下面将对实施例描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本申请的较佳的一些实施例,而不是全部的实施例。于本申请中的较佳实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些实施例和附图获得其他的实施例和附图,都属于本申请的保护范围。
图1为本申请实施例聚合膜工作原理图;
图2为本申请实施例双盐桥离子选择电极结构示意图;
图中,1、银/氯化银参比电极,2、热敏电阻件,3、银/氯化银参比电极丝,4、氯离子选择性聚合膜,5、内填充液,6、盐桥,7、内参液,8、多孔陶瓷芯,9、右玻璃管,10、热敏电阻引线,11、热敏电阻,12、导热硅脂。
实施方式
为使本申请的目的、技术方案和优点更加清楚,下面将对本申请实施方式作进一步地详细描述。需要理解的是,术语“上”、“下”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系。前述定义仅是为了便于描述本申请和简化描述,而不是指示或暗示所指的结构必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本申请的限制。
实施例1
一种氯离子选择性聚合膜的制备方法,包括下述组分,氯离子载体、高分子聚合物、增塑剂和离子定域体,所述氯离子载体为4,5-二甲基-3,6-二辛氧基-邻亚苯基-双(三氟乙酸汞),所述高分子聚合物为聚氯乙烯,所述增塑剂为葵二酸二正辛酯,所述离子定域体为三十二烷基氯化铵;
制备步骤如下:S1将2mg4,5-二甲基-3,6-二辛氧基-邻亚苯基-双(三氟乙酸汞)、0.5mg三十二烷基氯化铵、66mg聚氯乙烯、 132mg葵二酸二正辛酯和溶剂环己酮混合均匀,于400-1000rpm的转速下搅拌2-5小时,得到澄清透明的溶液;S2将玻璃板置于水平工作台,放置在通风橱内,用湿膜涂布器将步骤S1中得到的溶液涂布在玻璃板上得湿膜,涂布厚度为100μm;S3将湿膜于20-25℃下自然晾干4.5小时,后将玻璃板放置在真空干燥箱中于20-25℃下干燥11小时得聚合膜;S4将氯盐溶于水中配置氯离子浓度为60mM的盐溶液,后将聚合膜置于盐溶液中浸泡33小时,后用大量超纯水清洗干净,膜片制备完成;S5将膜片切割后装配成双盐桥离子选择电极,进行测试,测试数据如下表1;
更进一步的,所述溶剂环己酮的加入量为1.5ml;
更进一步的,所述双盐桥离子选择电极包括银/氯化银参比电极1、热敏电阻件2和银/氯化银参比电极丝3,所述双盐桥离子选择电极的底部设有氯离子选择性聚合膜4,所述离子选择性聚合膜4的上方设有内填充液5,所述内填充液5的上方设有盐桥6,所述银/氯化银参比电极1和热敏电阻件2的底部插入盐桥6内,所述银/氯化银参比电极丝3的底部插入内填充液5中;
更进一步的,所述银/氯化银参比电极1包括左玻璃管及位于左玻璃管内部的银/氯化银参比电极丝3,所述左玻璃管内部设有内参液7,所述左玻璃管的底部设有多孔陶瓷芯8,所述热敏电阻件包括右玻璃管9及位于右玻璃管内部的热敏电阻引线10,所述热敏电阻引线10的底部设有热敏电阻11,所述右玻璃管9的底部设有导热硅脂12;
更进一步的,所述内参液为3mol/L的氯化钾溶液;所述内填充液为10-3-10-1mol/L的氯离子溶液,本实施例的优选浓度为10-2mol/L;所述双盐桥离子选择电极的一侧设有多孔陶瓷芯8;
测试的溶液为氯离子浓度0-100mg/L的溶液,本实施例的优选浓度为100mg/L。
实施例2
所述氯离子载体4,5-二甲基-3,6-二辛氧基-邻亚苯基-双(三氟乙酸汞)的加入量分别为0.2mg、0.5mg、1mg、5mg,其他与实施例1相同,测试结果如表1。
实施例3
所述离子定域体为0.5mg四辛基氯化铵,所述氯离子载体4,5-二甲基-3,6-二辛氧基-邻亚苯基-双(三氟乙酸汞)的加入量分别为0.2mg、0.5mg、1mg、2mg、5mg,其他与实施例1相同,测试结果如表1。
实施例4
所述增塑剂为132mg邻硝基苯基辛基醚或132mg邻苯二甲酸二丁酯,其他与实施例1相同,测试结果如表2。
实施例5
在实施例1的基础上,分别隔1、7、14、20、30、60进行电压检测,测试的溶液为氯离子浓度100mg/L的溶液,测试间隙电极浸泡在10mg/L氯离子溶液中,测试数据如表3。
实施例6
将竞品1和竞品2按照实施例5所述进行测试,数据如表4。
表1离子定域体对膜能斯特相应的影响
氯离子载体/mg | 四辛基氯化铵/mV | 三十二烷基氯化铵/mV |
0.2 | <3 | <5 |
0.5 | 15 | 22 |
1 | 53.2 | 76.8 |
2 | 80.3 | 112.5 |
5 | 76.6 | 110.8 |
表2增塑剂对膜能斯特相应的影响
邻硝基苯基辛基醚 | 葵二酸二正辛酯 | 邻苯二甲酸二丁酯 | |
电压/mV | 52.3 | 115.1 | 87.3 |
表3膜的稳定性
天数 | 1 | 7 | 14 | 20 | 30 | 60 |
电压/mV | 113.2 | 112.1 | 112.0 | 110.3 | 109.1 | 106.5 |
表4与市面竞品对比数据
1天 | 30天 | 60天 | |
竞品一 | 70.1mV | 50.1mV | 46.2mV |
竞品二 | 89.2mV | 88.7mV | 76.4mV |
自产 | 113.2 | 109.1mV | 106.5mV |
最后说明的是,以上实施例仅用以说明本申请的技术方案而非限制,尽管参照较佳实施例对本申请进行了详细说明,本领域的普通技术人员应当理解,可以对本申请的技术方案进行修改或者等同替换,而不脱离本申请技术方案的宗旨和范围,其均应涵盖在本申请的权利要求范围当中。
Claims (10)
1.一种氯离子选择性聚合膜,其特征在于,包括氯离子载体、高分子聚合物、增塑剂和离子定域体,所述氯离子载体、高分子聚合物、增塑剂和离子定域体的质量比为1-8:100-150:200-300:0.1-2,所述氯离子载体为4,5-二甲基-3,6-二辛氧基-邻亚苯基-双(三氟乙酸汞),所述高分子聚合物为聚氯乙烯,所述增塑剂为葵二酸二正辛酯,所述离子定域体为三十二烷基氯化铵。
2.如权利要求1所述的一种氯离子选择性聚合膜的制备方法,其特征在于,制备步骤如下:S1将氯离子载体、高分子聚合物、增塑剂、离子定域体和溶剂混合均匀,于400-1000rpm的转速下搅拌 2-5 小时,得到澄清透明的溶液;S2将玻璃板置于水平工作台,放置在通风橱内,用湿膜涂布器将步骤 S1中得到的溶液涂布在玻璃板上得湿膜,涂布厚度为50μm或100μm或 150μm或200μm;S3将湿膜于20-25℃下自然晾干2-5 小时,后将玻璃板放置在真空干燥箱中于20-25℃下干燥8-12 小时得聚合膜;S4将氯盐溶于水中配置氯离子浓度为100μM-100mM的盐溶液,后将聚合膜置于盐溶液中浸泡12-36小时,后用大量超纯水清洗干净,膜片制备完成;S5将膜片切割后装配成双盐桥离子选择电极。
3.如权利要求2所述的一种氯离子选择性聚合膜的制备方法,其特征在于,所述溶剂为四氢呋喃或环己酮;所述氯盐为氯化钠、氯化钾、氯化镁、氯化铁、氯化亚铁中的一种或多种。
4.如权利要求2所述的一种氯离子选择性聚合膜的制备方法,其特征在于,所述溶剂与氯离子载体、高分子聚合物、增塑剂、离子定域体的质量和之比为10-20mL:1-3g。
5.如权利要求2所述的一种氯离子选择性聚合膜的制备方法,其特征在于,所述4,5-二甲基-3,6-二辛氧基-邻亚苯基-双(三氟乙酸汞)可由5,10,15,20-四苯基-21H,23H-卟吩氯化锰或3,6-二十二烷氧基-4,5-二甲基-邻亚苯基-双(氯化汞)代替。
6.如权利要求2所述的一种氯离子选择性聚合膜的制备方法,其特征在于,所述聚氯乙烯可由聚甲基丙烯酸甲酯代替;所述葵二酸二正辛酯可由邻硝基苯基辛基醚或/和邻苯二甲酸二丁酯代替。
7.如权利要求2所述的一种氯离子选择性聚合膜的制备方法,其特征在于,所述三十二烷基氯化铵可由四(4-氯苯基)硼酸钾、四辛基氯化铵、四(3,5-二(三氟甲基)苯基)硼酸钠中的一种或多种代替。
8.如权利要求2所述的一种氯离子选择性聚合膜电极的制备方法,其特征在于,所述双盐桥离子选择电极包括银/氯化银参比电极、热敏电阻件和银/氯化银参比电极丝,所述双盐桥离子选择电极的底部设有氯离子选择性聚合膜,所述离子选择性聚合膜的上方设有内填充液,所述内填充液的上方设有盐桥,所述银/氯化银参比电极和热敏电阻的底部插入盐桥内,所述银/氯化银参比电极丝的底部插入内填充液中。
9.如权利要求8所述的一种氯离子选择性聚合膜电极的制备方法,其特征在于,所述银/氯化银参比电极包括左玻璃管及位于左玻璃管内部银/氯化银参比电极丝,所述左玻璃管内部设有内参液,所述左玻璃管的底部设有多孔陶瓷芯,所述热敏电阻件包括右玻璃管及位于右玻璃管内部的热敏电阻引线,所述热敏电阻引线的底部设有热敏电阻,所述右玻璃管的底部设有导热硅脂。
10.如权利要求9所述的一种氯离子选择性聚合膜电极的制备方法,其特征在于,所述内参液为3mol/L的氯化钾溶液;所述内填充液为10-3-10-1mol/L的氯离子溶液;所述双盐桥离子选择电极的一侧设有多孔陶瓷芯。
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