CN106496974A - 一种空调用过滤膜 - Google Patents
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Abstract
本发明涉及一种空调用过滤膜,由下列质量份数的原料组成:聚乳酸纤维8~32份、聚乙烯醇8~20份、聚丙烯8~16份、聚羟基丁酸戊酸共聚酯20~30份、溶剂15~65份、抗菌剂4~12份和致孔剂6~10份;其中,所述抗菌剂由亚甲基氰酸酯和山梨酸钾混合而成的,且亚甲基氰酸酯和山梨酸钾的质量比为2.1~2.7:1。本发明的优点在于:本发明配方中采用聚乳酸纤维,其本身具有高耐热性和高强度,用于制备过滤膜,可使过滤膜具有优良的抗热性,在高温环境下不易变形,避免造成过滤膜孔状结构的堵塞,大大提高了空调的制热或制冷效果;且通过各组分的协同作用,使得过滤膜具有长效抗菌抑菌的能力,起到自清洁的作用。
Description
技术领域
本发明属于空调制备技术领域,涉及一种空调配件,特别涉及一
种空调用过滤膜。
背景技术
空调长时间不使用,其内部的出风管道会集聚大量的灰尘,一般在出风管道内设置过滤膜,对出风进行过滤。目前的过滤膜力学性能和化学稳定性较差,高温环境下易变形,使得过滤膜内部的孔状结构坍塌,容易造成过滤膜孔状结构的堵塞,影响空调的制热或制冷效果。
经检索,专利CN 105330294 A 公开了汽车空调用过滤膜及其制备方法,其中,所述制备方法包括:将碳化硅、羧甲基纤维素、陶瓷粘接剂、活性炭、高岭土和乙醇混合均匀,得到混合料M;将所述混合料M干压成型,烧结后得到支撑坯体N;将硅酸铝纤维、莫来石纤维和乙二醇混合形成浆料A,将所述支撑坯体N外表面涂抹所述浆料A,烘烤后,得到所述过滤膜。解决了目前的过滤膜力学性能和化学稳定性较差,高温环形下易变形,使得过滤膜内部的孔状结构坍塌,容易造成过滤膜孔状结构的堵塞,影响空调的制热或制冷效果的问题;但这种汽车空调用过滤膜存在以下缺点:过滤膜过滤过程中,过滤对象中往往存在大量致病细菌和病毒,而这种过滤膜无法有效抑制及截留病菌,病菌会附着于过滤膜上进行繁殖,一方面导致过滤膜过滤效果下降,一方面将引起造成二次污染。
针对该缺点,专利CN 104162369 A 公开了一种抗菌自清洁过滤膜,由下列质量份数的原料组成:聚乙烯醇10-30份、聚乳酸10-30份、聚丙烯10-30份、聚羟基丁酸酯10-30份、溶剂20-50份、添加剂1-5份、抗菌剂5-10份;按质量份数组成向溶剂中加入聚乙烯醇、聚乳酸、聚丙烯与聚羟基丁酸酯,混合均匀后加入添加剂与抗菌剂,搅拌均匀得到过滤膜浆料,将浆料涂布于无纺布基底上凝固后获得成品。本发明制备方法简单、成本低廉,所得产品具有长效抗菌抑菌的能力,起到自清洁的作用。但这种抗菌自清洁过滤膜存在一定的缺点:这种过滤膜不耐热,在高温环境下易变形,容易造成过滤膜孔状结构的堵塞,影响空调的制热或制冷效果。
因此,研发一种既能够耐高温抗热,又具有长效抗菌抑菌能
力的空调用过滤膜是非常有必要的。
发明内容
本发明要解决的技术问题是提供一种能够耐高温抗热,又具有
长效抗菌抑菌能力的空调用过滤膜。
为解决上述技术问题,本发明的技术方案为:一种空调用过滤膜,其创新点在于:由下列质量份数的原料组成:聚乳酸纤维8~32份、聚乙烯醇8~20份、聚丙烯8~16份、聚羟基丁酸戊酸共聚酯20~30份、溶剂15~65份、抗菌剂4~12份和致孔剂6~10份;其中,所述抗菌剂由亚甲基氰酸酯和山梨酸钾混合而成的,且亚甲基氰酸酯和山梨酸钾的质量比为2.1~2.7:1。
进一步地,所述溶剂为甲酸、乙醇或丙酮中的一种。
进一步地,所述致孔剂为碳酸氢钠或碳酸钠中的一种。
本发明的优点在于:
(1)本发明空调用过滤膜,配方中采用聚乳酸纤维,其具有高结晶性和高取向度,因而使其本身具有高耐热性和高强度,用于制备过滤膜,可使过滤膜具有优良的抗热性,在高温环境下不易变形,避免造成过滤膜孔状结构的堵塞,大大提高了空调的制热或制冷效果;且配方中的各组分都具有很好的相容性,通过各组分的协同作用,使得过滤膜具有长效抗菌抑菌的能力,起到自清洁的作用。
(2)本发明空调用过滤膜,配方中致孔剂选用碳酸氢钠或碳酸钠,过滤膜的孔隙率随着致孔剂与聚合物的质量比增加而增大,孔的尺寸随着致孔剂的增大而增大,通过控制致孔剂的尺寸和用量,可使过滤膜具有均匀互相连通的孔隙结构。
具体实施方式
本发明空调用过滤膜,由下列质量份数的原料组成:聚乳酸纤维8~32份、聚乙烯醇8~20份、聚丙烯8~16份、聚羟基丁酸戊酸共聚酯20~30份、溶剂15~65份、抗菌剂4~12份和致孔剂6~10份;其中,所述抗菌剂由亚甲基氰酸酯和山梨酸钾混合而成的,且亚甲基氰酸酯和山梨酸钾的质量比为2.1~2.7:1。
作为实施例,更具体地实施方式为溶剂选用甲酸、乙醇或丙酮中的一种;致孔剂选用碳酸氢钠或碳酸钠中的一种。
实施例1
本实施例空调用过滤膜,由下列质量份数的原料组成:聚乳酸纤维8份、聚乙烯醇20份、聚丙烯16份、聚羟基丁酸戊酸共聚酯30份、甲酸65份、抗菌剂12份和碳酸氢钠10份;其中,抗菌剂由亚甲基氰酸酯和山梨酸钾混合而成的,且亚甲基氰酸酯8.13份,山梨酸钾3.87份。
实施例2
本实施例空调用过滤膜,由下列质量份数的原料组成:聚乳酸纤维8份、聚乙烯醇20份、聚丙烯16份、聚羟基丁酸戊酸共聚酯30份、甲酸65份、抗菌剂12份和碳酸氢钠10份;其中,抗菌剂由亚甲基氰酸酯和山梨酸钾混合而成的,且亚甲基氰酸酯8.76份,山梨酸钾3.24份。
实施例3
本实施例空调用过滤膜,由下列质量份数的原料组成:聚乳酸纤维8份、聚乙烯醇20份、聚丙烯16份、聚羟基丁酸戊酸共聚酯30份、甲酸65份、抗菌剂12份和碳酸氢钠10份;其中,抗菌剂由亚甲基氰酸酯和山梨酸钾混合而成的,且亚甲基氰酸酯8.47份,山梨酸钾3.53份。
下表1为实施例1-3中亚甲基氰酸酯和山梨酸钾质量比对比表格:
抗菌剂 | 实施例1 | 实施例2 | 实施例3 |
亚甲基氰酸酯 | 2.1 | 2.7 | 2.4 |
山梨酸钾 | 1 | 1 | 1 |
为了测试实施例1-3空调用过滤膜的性能,对实施例1-3空调用过滤膜各样品进行测试,性能试验结果见表2。
表2 实施例1-3空调用过滤膜的性能测试数据
试验项目 | 实施例1 | 实施例2 | 实施例3 |
最高耐受温度 | 162℃ | 162℃ | 167℃ |
净化效率 | 92% | 93% | 96% |
孔隙分布 | 均匀 | 均匀 | 均匀 |
结论:由上表可以看出,实施例1-3的空调用过滤膜,最高耐受温度可达160℃以上,进而空调用过滤膜在高温环境下不易变形,避免造成过滤膜孔状结构的堵塞,大大提高了空调的制热或制冷效果;且通过控制致孔剂的尺寸和用量,可使过滤膜具有均匀互相连通的孔隙结构,大大提高截留率;同时,通过各组分的相互协同作用,也大大提高了过滤膜的净化效率,净化效率可达90%以上;此外,实施例1-3进行相互对比,可以看出,实施例3的各项测试性能均优于其他两个实施例,因而实施例3为最佳实施例。
实施例4
本实施例空调用过滤膜,由下列质量份数的原料组成:聚乳酸纤维32份、聚乙烯醇8份、聚丙烯8份、聚羟基丁酸戊酸共聚酯20份、甲酸15份、抗菌剂4份和碳酸氢钠6份;其中,抗菌剂由亚甲基氰酸酯和山梨酸钾混合而成的,且亚甲基氰酸酯2.82份,山梨酸钾1.18份。
实施例5
本实施例空调用过滤膜,由下列质量份数的原料组成:聚乳酸纤维20份、聚乙烯醇14份、聚丙烯12份、聚羟基丁酸戊酸共聚酯25份、甲酸40份、抗菌剂8份和碳酸氢钠8份;其中,抗菌剂由亚甲基氰酸酯和山梨酸钾混合而成的,且亚甲基氰酸酯5.65份,山梨酸钾2.35份。
下表3为实施例1-3中各组分配比对比表格:
实施例3 | 实施例4 | 实施例5 | |
聚乳酸纤维 | 8 | 32 | 20 |
聚乙烯醇 | 20 | 8 | 14 |
聚丙烯 | 16 | 8 | 12 |
聚羟基丁酸戊酸共聚酯 | 30 | 20 | 25 |
溶剂 | 65 | 15 | 40 |
抗菌剂 | 12 | 4 | 8 |
致孔剂 | 10 | 6 | 8 |
为了测试实施例3-5空调用过滤膜的性能,对实施例3-5空调用过滤膜各样品进行测试,性能试验结果见表4。
表4 实施例3-5空调用过滤膜的性能测试数据
试验项目 | 实施例3 | 实施例4 | 实施例5 |
最高耐受温度 | 167℃ | 164℃ | 172℃ |
净化效率 | 96% | 95% | 98% |
孔隙分布 | 均匀 | 均匀 | 均匀 |
结论:由上表可以看出,实施例3-5的空调用过滤膜,最高耐受温度可达160℃以上,进而空调用过滤膜在高温环境下不易变形,避免造成过滤膜孔状结构的堵塞,大大提高了空调的制热或制冷效果;且通过控制致孔剂的尺寸和用量,可使过滤膜具有均匀互相连通的孔隙结构,大大提高截留率;同时,通过各组分的相互协同作用,也大大提高了过滤膜的净化效率,净化效率可达95%以上;此外,实施例3-5进行相互对比,可以看出,实施例5的各项测试性能均优于其他两个实施例,因而实施例5为最佳实施例。
以上显示和描述了本发明的基本原理和主要特征以及本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。
Claims (3)
1.一种空调用过滤膜,其特征在于:由下列质量份数的原料组成:聚乳酸纤维8~32份、聚乙烯醇8~20份、聚丙烯8~16份、聚羟基丁酸戊酸共聚酯20~30份、溶剂15~65份、抗菌剂4~12份和致孔剂6~10份;其中,所述抗菌剂由亚甲基氰酸酯和山梨酸钾混合而成的,且亚甲基氰酸酯和山梨酸钾的质量比为2.1~2.7:1。
2.根据权利要求1所述的空调用过滤膜,其特征在于:所述溶剂为甲酸、乙醇或丙酮中的一种。
3.根据权利要求1所述的空调用过滤膜,其特征在于:所述致孔剂为碳酸氢钠或碳酸钠中的一种。
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