CN104177584A - 一种油烟高倍吸附净化材料 - Google Patents

一种油烟高倍吸附净化材料 Download PDF

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CN104177584A
CN104177584A CN201310202940.4A CN201310202940A CN104177584A CN 104177584 A CN104177584 A CN 104177584A CN 201310202940 A CN201310202940 A CN 201310202940A CN 104177584 A CN104177584 A CN 104177584A
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杜峰
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JIANGSU REFONTECH INDUSTRIAL Co Ltd
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Abstract

本发明涉及一种油烟高倍吸附净化材料,具体是一种可用于烹饪油烟吸附净化的高倍吸附材料,属于净化材料领域。其特点是:可生物降解型低聚多元醇100份、二异氰酸酯20-80份、聚醚聚硅氧烷二元醇5~40份、催化剂0.05~1.5份、泡沫稳定剂0.3~2份和发泡剂1~10份通过聚合反应即可得到。该高倍油烟吸附净化材料的密度为40~100Kg/m3,吸油烟倍率可根据不同的配方比例达40~100倍。该高倍油烟吸附净化材料可广泛用于各种厨房油品含植物油和动物油等油类油烟的吸附净化,且吸附速率高,吸附倍率大。

Description

一种油烟高倍吸附净化材料
技术领域
本发明涉及一种油烟高倍吸附净化材料,具体是一种可用于烹饪油烟吸附净化的高倍吸附材料,属于净化材料领域。 
背景技术
随着我国经济的发展和人们生活水平的提高,餐饮业的数量和规模迅速增长,然而同时大量的油烟也因此而产生,对人类健康造成危害,对空气环境形成污染。饮食业油烟污染已经成为仅次于工业污染和交通污染后的第三大空气污染源。由于我国传统烹饪方式主要采用炒和炸等操作,因此在烹饪过程不可避免产生了大量的油烟并向环境中排放,这不仅会破坏大气质量状况,而且还会严重污染餐馆茶楼周围居民生活环境和危害居民的身体健康。 
油烟污染主要是由以下两方面组成的,一是食物和食油在高温烹调中发生一系列的化学反应,从而会生成大量热解产物,主要含挥发性较强的烷烃、烯烃、醛类、酮类、醇类、酯类等芳香族化合物和剧毒的杂环化合物,尤其是其中的多环芳烃化合物为国家注明的强致癌物质;另一方面是各种油烟气中还含有大量油蒸汽,它排放到室外与粉尘混合或者反应会加剧空气污染,同时由于它有很强的吸附作用,可以附着在树木花草上,会阻碍植被的光合作用,导致其枯萎死亡,它还可附在建筑物表面并形成污垢,严重影响市容和空气质量。 
针对以上烹饪油烟组成复杂,危害大等问题,人们研究了多种治理方法如惯性拦截法、高压静电沉积法、过滤法、洗涤法等,其中的高压静电沉积法是通过阴极在高压电场中发射的电子,以及由电子碰撞空气分子而产生的负离子来捕捉油烟粒子和粉尘,使油烟粒子、粉尘带电,再利用电场使带电油烟粒子、粉尘被阳极所吸附,以达到除油、除烟尘的目的。但是正如高压静电沉积法耗电量大等问题一样,目前使用的这些方法都存在运行费用高、处理不完全、产生二次污染等各种问题,使它们的使用范围受到很大的限制,大多数处于探索阶段,对现阶段的治理无法产生相应的贡献。 
同时,现阶段国内研究者制备的油烟高倍吸附烟材料主要针对的是液相中的煤油、柴油、苯等的吸附,对单独气相中油烟吸附研究很少。因此,一种油烟高倍吸附净化材料的研制具有较大的科研和应用意义。 
目前尚无类似的油烟高倍吸附净化材料报道出现。 
发明内容
本发明的目的是提供一种吸附方法简单、油烟吸附倍率高、油烟吸附速率快和可生物降解的的聚氨酯泡沫材料及其制备方法,该高倍油烟吸附聚氨酯泡沫可用于各种厨房油品含植物油和动物油等油类油烟的吸附净化,且吸附速率高,吸附倍率大。 
本发明方法包括以下内容: 
一种油烟高倍吸附净化材料及其制备方法,其特征在于由以羟值为200~400 mg KOH/g的可生物降解型低聚多元醇的组分I和由二异氰酸酯、聚醚聚硅氧烷二元醇、催化剂、泡沫稳定剂和发泡剂等组成的组分II通过聚合反应制备得到。
各组分配比如下(按质量比例算): 
可生物降解型低聚多元醇              100份
 二异氰酸酯                         20-80份
聚醚聚硅氧烷二元醇                5~40份
催化剂                         0.05~1.5份
 泡沫稳定剂                        0.3~2份
   发泡剂                             1~10份。
本发明所涉及的羟值为200~400 mgKOH/g的可生物降解型低聚多元醇可由如下方法制得:将聚乙二醇、甘油和浓硫酸混合配成复合液化试剂,再将复合液化试剂和植物原料混合,在加热和搅拌条件下反应。其中复合液化试剂各组分配比如下(按质量比例算): 
聚乙二醇                      100份
甘油                        2~30份
浓硫酸                       1~6份
复合液化试剂和植物原料的质量比为3~6∶1。复合液化试剂和植物原料的反应,优选在110~150 ℃下反应,反应时间优选为1~3 h。
本发明所涉及的聚乙二醇进一步采用聚乙二醇400。 
本发明所涉及的浓硫酸,除另有说明之外,一般是指质量浓度大于或等于70%的硫酸水溶液;实施例中的浓硫酸具体是指质量分数为98.3%的浓硫酸。 
本发明所涉及的二异氰酸酯包括但不限于甲苯二异氰酸酯、二苯基甲烷二异氰酸酯、多次甲基多苯基异氰酸酯中的一种或几种。二异氰酸酯的指数需控制在0.60~1.05之间,二异氰酸酯的指数是指二异氰酸酯物质的量与羟基物质的量的比值。 
本发明所涉及的聚醚聚硅氧烷二元醇优选选用的羟值为50~200 mgKOH/g的聚醚聚硅氧烷二元醇。 
本发明所涉及的催化剂包括但不限于二月桂酸二丁基锡、辛酸亚锡、三乙烯二胺、四乙烯三胺中的一种或几种。 
本发明所涉及的泡沫稳定剂为聚醚改性有机硅表面活性剂。 
本发明所涉及的发泡剂为去离子水。 
本发明中所述油烟高倍吸附净化材料各原料的聚合反应可采用聚氨酯的聚合过程,在本发明中其进一步包括如下步骤:将羟值为200~400 mgKOH/g的可生物降解型低聚多元醇、聚醚聚硅氧烷二元醇、催化剂、泡沫稳定剂和发泡剂,在20 ℃~30 ℃下搅拌均匀,静置10~60分钟;迅速加入二异氰酸酯,搅拌5~20 s,随后倒入发泡模具进行发泡;泡沫在20 ℃~30 ℃下熟化1~4小时脱模,得到油烟高倍吸附净化材料。 
本发明的有益效果: 
1、与现有一般的油烟吸附材料相比,本发明的油烟高倍吸附净化材料可生物降解性好和吸附倍率高。
2、本发明所涉及的油烟高倍吸附净化材料成型工艺简单,投资少,生产效率高,可通过简单组装使用于各种空气净化器中。 
具体实施方式
实施例1 
实施例1得到的可生物降解型低聚多元醇羟值为280 mgKOH/g,其中的组分如下(按质量比例算): 
液化试剂                4份
玉米淀粉                1份
其中液化试剂的组分如下(按质量比例算): 
聚乙二醇400                      100份
甘油                               20份
浓硫酸                              5份
在装有搅拌器、温度计、回流冷凝器的反应器中,加入上述的可生物降解型低聚多元醇100 g,羟值为100 mgKOH/g聚醚聚硅氧烷二元醇15 g,辛酸亚锡0.2 g,三乙烯二胺0.5 g,泡沫稳定剂聚醚改性有机硅表面活性剂0.5 g,去离子水5 g,在室温下搅拌均匀,静置25分钟;迅速加入甲苯二异氰酸酯39 g,搅拌8 s,立即倒入发泡模具进行发泡;泡沫在室温下熟化2小时脱模,得到油烟高倍吸附净化材料。其性能如下:密度为50 Kg/m3,吸油倍率为75倍。 
实施例2 
实施例2得到的可生物降解型低聚多元醇羟值为230 mgKOH/g,其中的组分如下(按质量比例算):
液化试剂                5份
玉米淀粉                1份
其中液化试剂的组分如下(按质量比例算):
聚乙二醇400                      100份
甘油                               10份
浓硫酸                              5份
在装有搅拌器、温度计、回流冷凝器的反应器中,加入上述的可生物降解型低聚多元醇100 g,羟值为90 mgKOH/g聚醚聚硅氧烷二元醇18 g,二月桂酸二丁基锡0.3 g,三乙烯二胺0.5 g,泡沫稳定剂聚醚改性有机硅表面活性剂1.3 g,去离子水6.5 g,在室温下搅拌均匀,静置30分钟;迅速加入二苯基甲烷二异氰酸酯46 g,搅拌10 s,立即倒入发泡模具进行发泡;泡沫在室温下熟化2.5小时脱模,得到油烟高倍吸附净化材料。其性能如下:密度为45 Kg/m3,吸油倍率为52倍。
实施例3 
实施例3得到的可生物降解型低聚多元醇羟值为310 mgKOH/g,其中的组分如下(按质量比例算):
液化试剂                5份
玉米淀粉                1份
其中液化试剂的组分如下(按质量比例算):
聚乙二醇400                      100份
甘油                               18份
浓硫酸                              5份
在装有搅拌器、温度计、回流冷凝器的反应器中,加入上述的可生物降解型低聚多元醇100 g,羟值为150 mgKOH/g聚醚聚硅氧烷二元醇30 g,二月桂酸二丁基锡0.35 g,三乙烯二胺0.5 g,泡沫稳定剂聚醚改性有机硅表面活性剂1.6 g,去离子水7.2 g,在室温下搅拌均匀,静置35分钟;迅速加入多次甲基多苯基异氰酸酯60 g,搅拌12 s,立即倒入发泡模具进行发泡;泡沫在室温下熟化3小时脱模,得到油烟高倍吸附净化材料。其性能如下:密度为45 Kg/m3,吸油倍率为61倍。
实施例4 
实施例4得到的可生物降解型低聚多元醇羟值为245 mgKOH/g,其中的组分如下(按质量比例算):
液化试剂                3份
玉米淀粉                1份
其中液化试剂的组分如下(按质量比例算):
聚乙二醇400                      100份
甘油                               16份
浓硫酸                              4份
在装有搅拌器、温度计、回流冷凝器的反应器中,加入上述的可生物降解型低聚多元醇100 g,羟值为120 mgKOH/g聚醚聚硅氧烷二元醇20 g,辛酸亚锡0.4 g,三乙醇胺1.1 g,泡沫稳定剂聚醚改性有机硅表面活性剂0.8 g,去离子水4.5 g,在室温下搅拌均匀,静置15分钟;迅速加入甲苯二异氰酸酯15 g,二苯基甲烷二异氰酸酯26 g,搅拌15 s,立即倒入发泡模具进行发泡;泡沫在室温下熟化2.5小时脱模,得到油烟高倍吸附净化材料。其性能如下:密度为80 Kg/m3,吸油倍率为85倍。
实施例5 
实施例1得到的可生物降解型低聚多元醇羟值为230 mgKOH/g,其中的组分如下(按质量比例算):
液化试剂                5份
玉米淀粉                1份
其中液化试剂的组分如下(按质量比例算):
聚乙二醇400                      100份
甘油                               10份
浓硫酸                              5份
在装有搅拌器、温度计、回流冷凝器的反应器中,加入上述的可生物降解型低聚多元醇100 g,羟值为62 mgKOH/g聚醚聚硅氧烷二元醇25 g,三乙醇胺0.8 g,泡沫稳定剂聚醚改性有机硅表面活性剂0.6 g,去离子水6 g,在室温下搅拌均匀,静置30分钟;迅速加入甲苯二异氰酸酯15 g,多次甲基多苯基异氰酸酯35 g,搅拌8 s,立即倒入发泡模具进行发泡;泡沫在室温下熟化3小时脱模,得到油烟高倍吸附净化材料。其性能如下:密度为45 Kg/m3,吸油倍率为75倍。
本发明未涉及部分均与现有技术相同或可采用现有技术加以实现。 

Claims (8)

1.一种可用于烹饪油烟吸附净化的高倍吸附净化材料,其特点是由低聚多元醇100份、异氰酸酯类化合物20-80份、聚醚聚硅氧烷二元醇5~40份、聚合催化剂0.05~1.5份、稳定剂0.3~2份和材料发泡剂1~10份通过聚合反应得到。
2.根据权利要求1所述的高倍吸附净化材料,其特征在于所述低聚多元醇由如下方法制得:将聚乙二醇400 100份、甘油2~30份和浓硫酸1~6份混合配成复合液化试剂,再将复合液化试剂3~6份和植物原料1份混合,在加热和搅拌条件下反应生成。
3.根据权利要求1所述的高倍吸附净化材料,其特征在于所述的异氰酸酯类化合物包括但不限于甲苯二异氰酸酯、二苯基甲烷二异氰酸酯、多次甲基多苯基异氰酸酯中的一种或几种。
4.二异氰酸酯的指数需控制在0.60~1.05之间。
5.根据权利要求1所述的高倍吸附净化材料,其特征在于所述的聚合催化剂包括但不限于二月桂酸二丁基锡、辛酸亚锡、三乙烯二胺、四乙烯三胺中的一种或几种。
6.根据权利要求1所述的高倍吸附净化材料,其特征在于所述的稳定剂为聚醚改性有机硅表面活性剂。
7.根据权利要求2所述的低聚多元醇,其特征在于所述的植物原料为玉米淀粉。
8.根据权利要求1所述的高倍吸附净化材料,其特征在于其主要是使用在油烟净化器中的油烟吸附净化模块。
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