CN101914188B - 一种纳米孔高分子调湿剂的制备方法 - Google Patents

一种纳米孔高分子调湿剂的制备方法 Download PDF

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CN101914188B
CN101914188B CN2010102681358A CN201010268135A CN101914188B CN 101914188 B CN101914188 B CN 101914188B CN 2010102681358 A CN2010102681358 A CN 2010102681358A CN 201010268135 A CN201010268135 A CN 201010268135A CN 101914188 B CN101914188 B CN 101914188B
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CN101914188A (zh
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彭志勤
邱挺挺
杨海亮
胡智文
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Zhejiang Sci Tech University ZSTU
Zhejiang University of Science and Technology ZUST
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Abstract

一种纳米孔高分子调湿剂的制备方法,其特征是采用合成的办法以丙烯酰胺、聚丙烯酸钠、羧甲基纤维素为原料制备调湿材料,利用合成过程中,在材料上形成大量的纳米尺寸的孔结构,使材料吸放湿响应速度更快,湿容量更大。同现有技术比较,本发明的优点是:1)吸放湿容量大、吸放湿响应速度快,高效、快速调节微环境相对湿度;2)再生、重复使用方便;3)生产过程环保。

Description

一种纳米孔高分子调湿剂的制备方法
技术领域
本发明涉及一种功能高分子材料,特别涉及一种纳米孔高分子调湿剂的制备方法。
背景技术
功能高分子材料涉及当今社会科技、生活的方方面面,产品也是日新月异。“调湿剂”是指不需要借助任何人工能源和机械设备,依靠其自身具有的智能自调湿性能,在自动感应环境湿度的同时,通过材料本身的吸湿、放湿自动调节空气相对湿度的材料;国内外的调湿材料大致可分为以下几类:特种硅胶、蒙脱土、无机盐类、有机高分子材料等,各类调湿材料各有优缺点。
发明内容
本发明的目的是提供一种纳米孔高分子调湿剂的制备方法,制成的调湿剂能自动感应环境湿度的同时,通过材料本身的吸湿、放湿自动调节微环境的空气湿度,吸放湿响应速度快、湿容量大,再生、重复使用方便,生产过程环保。
一种纳米孔高分子调湿剂的制备方法,其特征在于采用如下步骤:
A)按质量份数取5~15份丙烯酰胺,2份聚丙烯酸钠,2份羧甲基纤维素,0.05份过硫酸钾,0.003份N,N′-亚甲基双丙烯酰胺,0.4份氯化铝,分别加入到装有50份水的反应器中,在温度为60~80℃下,搅拌反应半小时;
B)按步骤A)的质量份数取1.2份碳酸氢钠加入到上述反应器中,搅拌反应3~5小时,得到合成产物;
C)将合成产物烘干,在150℃下加热处理1~2小时,得到纳米孔高分子调湿剂。
本发明的纳米孔高分子调湿剂应用于馆藏文物保护、字画收藏、食品、食品原料、精密仪器、日用化工、医药、保健品、中药保存、图书档案保管、纺织品保管等领域。
本发明采用合成的办法以丙烯酰胺、聚丙烯酸钠、羧甲基纤维素为原料制备高分子调湿材料,利用合成过程,在调湿剂上形成大量的纳米尺寸的孔结构(孔径分布见图1),使吸放湿响应速度更快、湿容量更大;调湿剂上纳米尺寸的孔结构,对材料的调湿性能有很大影响(见图2、图3);实施样品(湿度调控目标为RH60%±5%)与进口超级调湿剂(湿度调控目标为RH50%),每1m3的密闭空间使用1kg调湿剂,分别在RH90%的高湿环境下做吸湿性试验,在RH30%的低湿环境中做放湿性试验,测试材料调湿速率,对比结果见表1;105℃下将材料干燥到恒重,在RH90%的条件下测试材料的饱和湿容量,对比结果见表2。
表1实施样品与进口调湿剂吸、放湿性能对比
Figure BSA00000250483400021
表2湿容量对比(RH90%)
同现有技术比较,本发明的优点是:1)吸放湿容量大、吸放湿响应速度快,高效、快速调节微环境相对湿度;2)再生、重复使用方便;3)生产过程环保。
附图说明
图1为实施样的纳米孔孔径分布曲线图
图2为致孔前实施样在高湿和低湿条件下的调湿性能
图3为致孔后实施样在高湿和低湿条件下的调湿性能。
具体实施方式
实施例1:
一种纳米孔高分子调湿剂的制备方法,其特征在于采用如下步骤:
A)按质量份数取5份丙烯酰胺,2份聚丙烯酸钠,2份羧甲基纤维素,0.05份过硫酸钾,0.003份N,N’-亚甲基双丙烯酰胺,0.4份氯化铝,分别加入到装有50份水的反应器中,在温度为80℃下,搅拌反应半小时;
B)按步骤A)的质量份数取1.2份碳酸氢钠加入到上述反应器中,搅拌反应5小时,得到合成产物;
C)将合成产物烘干,在150℃下加热处理2小时,得到纳米孔高分子调湿剂。
实施例2:
一种纳米孔高分子调湿剂的制备方法,其特征在于采用如下步骤:
A)按质量份数取10份丙烯酰胺,2份聚丙烯酸钠,2份羧甲基纤维素,0.05份过硫酸钾,0.003份N,N’-亚甲基双丙烯酰胺,0.4份氯化铝,分别加入到装有50份水的反应器中,在温度为70℃下,搅拌反应半小时;
B)按步骤A)的质量份数取1.2份碳酸氢钠加入到上述反应器中,搅拌反应4小时,得到合成产物;
C)将合成产物烘干,在150℃下加热处理1.5小时,得到纳米孔高分子调湿剂。
实施例3:
一种纳米孔高分子调湿剂的制备方法,其特征在于采用如下步骤:
A)按质量份数取15份丙烯酰胺,2份聚丙烯酸钠,2份羧甲基纤维素,0.05份过硫酸钾,0.003份N,N’-亚甲基双丙烯酰胺,0.4份氯化铝,分别加入到装有50份水的反应器中,在温度为60℃下,搅拌反应半小时;
B)按步骤A)的质量份数取1.2份碳酸氢钠加入到上述反应器中,搅拌反应3小时,得到合成产物;
C)将合成产物烘干,在150℃下加热处理1小时,得到纳米孔高分子调湿剂。

Claims (1)

1.一种纳米孔高分子调湿剂的制备方法,其特征在于采用如下步骤:
A)按质量份数取5~15份丙烯酰胺,2份聚丙烯酸钠,2份羧甲基纤维素,0.05份过硫酸钾,0.003份N,N′-亚甲基双丙烯酰胺,0.4份氯化铝,分别加入到装有50份水的反应器中,在温度为60~80℃下,搅拌反应半小时;
B)按步骤A)的质量份数取1.2份碳酸氢钠加入到上述反应器中,搅拌反应3~5小时,得到合成产物;
C)将合成产物烘干,在150℃下加热处理1~2小时,得到纳米孔高分子调湿剂。
CN2010102681358A 2010-08-26 2010-08-26 一种纳米孔高分子调湿剂的制备方法 Expired - Fee Related CN101914188B (zh)

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