CN111826964A - 一种防水防护服 - Google Patents
一种防水防护服 Download PDFInfo
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- CN111826964A CN111826964A CN202010450316.6A CN202010450316A CN111826964A CN 111826964 A CN111826964 A CN 111826964A CN 202010450316 A CN202010450316 A CN 202010450316A CN 111826964 A CN111826964 A CN 111826964A
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- 238000002156 mixing Methods 0.000 claims description 10
- GEMHFKXPOCTAIP-UHFFFAOYSA-N n,n-dimethyl-n'-phenylcarbamimidoyl chloride Chemical compound CN(C)C(Cl)=NC1=CC=CC=C1 GEMHFKXPOCTAIP-UHFFFAOYSA-N 0.000 claims description 10
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- 230000009286 beneficial effect Effects 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 125000003368 amide group Chemical group 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- ZDWGXBPVPXVXMQ-UHFFFAOYSA-N bis(2-ethylhexyl) nonanedioate Chemical compound CCCCC(CC)COC(=O)CCCCCCCC(=O)OCC(CC)CCCC ZDWGXBPVPXVXMQ-UHFFFAOYSA-N 0.000 description 2
- 150000001721 carbon Chemical group 0.000 description 2
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- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
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- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 1
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- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
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Abstract
本发明涉及服装类的技术领域,公开了一种防水防护服,包括连体衣身,连体衣身表面经防水整理剂处理,防水整理剂包括如下重量份数的组分:20‑30份羟基硅油;10‑15份十二烷基硫酸钠;5‑6份丙二酸二甲酯;2‑4份戊二醛;60‑80份去离子水。本发明具有以下优点和效果:羟基硅油可赋予衣物防水、拒水的性能;羟基硅油和十二烷基硫酸钠的混合乳液可在连体衣身的表面形成一层疏水薄膜,由此降低表面张力,使水和油在其表面难以润湿,起拒油拒水的作用;丙二酸二甲酯具有强吸电子基团,易与戊二醛发生类似羟醛缩合反应,达到增长碳链的目的,混合组分的碳原子数增加,使防护服表面形成的疏水层厚度也有所增加,有利于降低表面张力,提高疏水性和防水效果。
Description
技术领域
本发明涉及服装类的技术领域,尤其是涉及一种防水防护服。
背景技术
防护服主要应用于消防、军工、船舶、石油、化工、喷漆、清洗消毒、实验室等行业与部门。操作人员在这些工作环境中都需要穿戴防护服,将人体与外界环境进行隔离,保持穿着者卫生。
目前,公开号为CN111000302A的专利公开了一种防护服,包括防护衣和防护裤,防护衣的顶部一体裁剪有防护帽,防护衣的表面车缝连接有拉链,防护衣的袖口处均车缝连接有弹性袖口,两个弹性袖口的外表面均车缝连接有第一松紧带,防护裤的裤脚处均车缝连接有弹性裤脚;防护衣、防护裤和防护帽的原料主要为超高分子量聚乙烯纤维。
上述中的现有技术方案存在以下缺陷:现有以聚乙烯纤维为主要原料的防护服大多只能起到隔离效果而不防水,当遇到水淋的场合,一方面会导致防护服变重、灵活性能下降,另一方面也会造成水的渗透,无法保持穿着者卫生的问题。
发明内容
针对现有技术存在的不足,本发明的目的在于提供一种防水防护服,使防护服具有防水效果,减少因防护服不防水而导致防护服变重、灵活性能下降以及影响穿着者卫生等问题。
为实现上述目的,本发明提供了如下技术方案:
一种防水防护服,包括连体衣身,所述连体衣身表面经防水整理剂处理,所述防水整理剂包括如下重量份数的组分:
20-30份羟基硅油;
10-15份十二烷基硫酸钠;
5-6份丙二酸二甲酯;
2-4份戊二醛
60-80份去离子水。
通过采用上述技术方案,羟基硅油是端基为羟基的线性聚二甲基硅氧烷,可赋予衣物防水、拒水的性能;羟基硅油和十二烷基硫酸钠等组分混合,一方面以十二烷基硫酸钠作为表面活性剂,另一方面通过加入十二烷基硫酸钠引入长碳链,防护服的聚乙烯纤维具有适当的吸湿性及接触角,而羟基硅油和十二烷基硫酸钠的混合乳液可在聚乙烯纤维表面形成一层疏水薄膜,由此降低防护服的聚乙烯纤维的表面张力,使水和油在其表面难以润湿,从而达到拒油拒水的效果,同时又能使防护服的表面比电阻降低而具有一定的抗静电和防尘作用;丙二酸二甲酯具有强吸电子基团,使α-H活化成为易脱离的氢离子,因此丙二酸二甲酯可与戊二醛发生类似羟醛缩合反应,达到增长碳链的目的,混合组分的碳原子数增加,使防护服表面形成的疏水层厚度也有所增加,有利于降低表面张力,提高疏水性和防水效果。
本发明在一较佳示例中可以进一步配置为:按重量份数计,所述防水整理剂还包括0.4-0.6份环烷酸钴和3-6份壬二酸二辛酯。
通过采用上述技术方案,以环烷酸钴作为促进剂,加入壬二酸二辛酯,使丙二酸二甲酯与戊二醛的混合产物与壬二酸二辛酯之间的疏水链产生缔合作用,有利于使保护膜形成比较致密的烃基界面层,优化保护膜的防水性能。
本发明在一较佳示例中可以进一步配置为:按重量份数计,所述防水整理剂还包括4-6份石油醚。
通过采用上述技术方案,极性溶剂的加入可增大溶液极性,从而使疏水链之间的疏水缔合作用显著增强。
本发明在一较佳示例中可以进一步配置为:按重量份数计,所述防水整理剂还包括0.6-0.8份N-氯代丁二酰亚胺。
通过采用上述技术方案,通过酰胺基作为桥基,有助于提高丙二酸二甲酯和戊二醛的混合产物与壬二酸二辛酯的缔合后的结构强度,同时进一步改善形成于防护服表面的保护膜的稳定性,由此达到更理想的防水效果。
本发明在一较佳示例中可以进一步配置为:按重量份数计,所述防水整理剂还包括0.1-0.2份2-异丙基咪唑、2-3份甲基硅醇钠和1-2份N-甲基苯胺。
通过采用上述技术方案,甲基硅醇钠本身为具有疏水效果的憎水剂,且甲基硅醇钠在水和二氧化碳作用下生成甲基硅醇,且硅醇基活泼性高,在交联剂2-异丙基咪唑的辅助下,N-甲基苯胺与甲基硅醇反应形成体型交联混合物,体型结构具有疏水性,可有效提高整理剂的防水效果,从而实现防护服的防水性的提高。
本发明在一较佳示例中可以进一步配置为:按重量份数计,所述防水整理剂还包括2-3份硫代乙酰胺。
通过采用上述技术方案,将含有氮、硫等配位原子的硫代乙酰胺的喷涂于防护服的聚乙烯纤维上,可提高防水整理剂组分和聚乙烯纤维的亲和作用,使防水整理剂和聚乙烯纤维发生结合提高吸附效果,从而提高保护膜的吸附性能,提高防水稳定性。
本发明在一较佳示例中可以进一步配置为:所述防水整理剂用乙酸调节pH值为4-5。
通过采用上述技术方案,当pH值为4-5时,实现丙二酸二甲酯可与戊二醛的反应;同时以180-220r/min的转速搅拌,各组分乳化速度加快,可缩短乳化时间,同时得到的整理剂喷涂于防护服上时成膜速度快;除此之外,酸性条件下,防水整理剂可与防护服的聚乙烯纤维之间易产生离子键键合,对保护膜在聚乙烯纤维上的吸附起重要作用。
本发明在一较佳示例中可以进一步配置为:所述防水处理剂的制备方法如下:
S1.首先将丙二酸二甲酯、戊二醛、壬二酸二辛酯、石油醚和去离子水混合并搅拌均匀,用乙酸调节pH值为4-5,搅拌3-5min;再添加环烷酸钴,温度为45-50℃,超声波的作用功率为200-260W,超声作用5-10min,得到混合乳液;
S2.将2-异丙基咪唑、2-3份甲基硅醇钠和1-2份N-甲基苯胺混合,反应温度为40-50℃,搅拌反应30-40min,得到混合物;
S3.向S1的混合乳液中添加羟基硅油和十二烷基硫酸钠以及S2的混合物,并加入硫代乙酰胺,调整温度为30-35℃,搅拌5-8min至均匀;
S4.将温度调节至4-5℃,缓慢滴加N-氯代丁二酰亚胺,0.5h滴完,滴完后继续反应1-1.5h,得到防水整理剂。
通过采用上述技术方案,采用温度逐渐降低的原料添加顺序,使温度调整过程更合理,在-10℃以下缓慢滴加N-氯代丁二酰亚胺防止反应过于剧烈。
本发明在一较佳示例中可以进一步配置为:将所述防水整理剂通过80-120%的轧液率对连体衣身进行浸轧,再以100-120℃的温度预烘3-5min,再进行拉幅定型、预缩得到防水防护服。
综上所述,本发明包括以下至少一种有益技术效果:
1.羟基硅油可赋予衣物防水、拒水的性能;十二烷基硫酸钠具有长碳链,防护服的聚乙烯纤维具有适当的吸湿性及接触角,羟基硅油和表面活性剂十二烷基硫酸钠的混合乳液可在聚乙烯纤维表面形成一层疏水薄膜,由此降低防护服的聚乙烯纤维的表面张力,使水和油在其表面难以润湿,从而达到拒油拒水的效果;丙二酸二甲酯具有强吸电子基团,使α-H活化成为易脱离的氢离子,因此丙二酸二甲酯可与戊二醛发生类似羟醛缩合反应,达到增长碳链的目的,混合组分的碳原子数增加,使防护服表面形成的疏水层厚度也有所增加,有利于降低表面张力,提高疏水性和防水效果;
2.丙二酸二甲酯与戊二醛的混合产物与壬二酸二辛酯之间的疏水链产生缔合作用,有利于使保护膜形成比较致密的烃基界面层,优化保护膜的防水性能;
3.通过酰胺基作为桥基,有助于提高丙二酸二甲酯和戊二醛的混合产物与壬二酸二辛酯的缔合后的结构强度,同时进一步改善形成于防护服表面的保护膜的稳定性,由此达到更理想的防水效果;
4.甲基硅醇钠本身为具有疏水效果的憎水剂,且甲基硅醇钠在水和二氧化碳作用下生成甲基硅醇,且硅醇基活泼性高,在交联剂2-异丙基咪唑的辅助下,N-甲基苯胺与甲基硅醇反应形成体型交联混合物,体型结构具有疏水性,可有效提高整理剂的防水效果,从而实现防护服的防水性的提高;
5.将含有氮、硫等配位原子的硫代乙酰胺的喷涂于防护服的聚乙烯纤维上,可提高防水整理剂组分和聚乙烯纤维的亲和作用,使防水整理剂和聚乙烯纤维发生结合提高吸附效果,从而提高保护膜的吸附性能,提高防水稳定性。
具体实施方式
以下对本发明作进一步详细说明。
实施例
实施例1
本发明公开了一种防水防护服,包括连体衣身,连体衣身表面经防水整理剂处理,且防水整理剂的制备方法如下:
S1.首先将丙二酸二甲酯、戊二醛、壬二酸二辛酯、石油醚和去离子水混合并搅拌均匀,用乙酸调节pH值为4,搅拌3min;再添加环烷酸钴,温度为45℃,超声波的作用功率为200W,超声作用5min,得到混合乳液;
S2.将2-异丙基咪唑、甲基硅醇钠和N-甲基苯胺混合,反应温度为40℃,搅拌反应30min,得到混合物;
S3.向S1的混合乳液中添加羟基硅油和十二烷基硫酸钠以及S2的混合物,并加入硫代乙酰胺,调整温度为30℃,搅拌5min至均匀;
S4.将温度调节至4℃,缓慢滴加N-氯代丁二酰亚胺,0.5h滴完,滴完后继续反应1h,得到防水整理剂。
将防水整理剂通过80%的轧液率对连体衣身进行浸轧,再以100℃的温度预烘3min,再进行拉幅定型、预缩得到防水防护服。
各组分含量如下表1所示。
实施例2
本发明公开了一种防水防护服,包括连体衣身,连体衣身表面经防水整理剂处理,且防水整理剂的制备方法如下:
S1.首先将丙二酸二甲酯、戊二醛、壬二酸二辛酯、石油醚和去离子水混合并搅拌均匀,用乙酸调节pH值为5,搅拌5min;再添加环烷酸钴,温度为50℃,超声波的作用功率为260W,超声作用10min,得到混合乳液;
S2.将2-异丙基咪唑、甲基硅醇钠和N-甲基苯胺混合,反应温度为50℃,搅拌反应40min,得到混合物;
S3.向S1的混合乳液中添加羟基硅油和十二烷基硫酸钠以及S2的混合物,并加入硫代乙酰胺,调整温度为35℃,搅拌8min至均匀;
S4.将温度调节至5℃,缓慢滴加N-氯代丁二酰亚胺,0.5h滴完,滴完后继续反应1.5h,得到防水整理剂。
将防水整理剂通过120%的轧液率对连体衣身进行浸轧,再以120℃的温度预烘5min,再进行拉幅定型、预缩得到防水防护服。
各组分含量如下表1所示。
实施例3
本发明公开了一种防水防护服,包括连体衣身,连体衣身表面经防水整理剂处理,且防水整理剂的制备方法如下:
S1.首先将丙二酸二甲酯、戊二醛、壬二酸二辛酯、石油醚和去离子水混合并搅拌均匀,用乙酸调节pH值为4.5,搅拌4min;再添加环烷酸钴,温度为48℃,超声波的作用功率为240W,超声作用8min,得到混合乳液;
S2.将2-异丙基咪唑、甲基硅醇钠和N-甲基苯胺混合,反应温度为43℃,搅拌反应36min,得到混合物;
S3.向S1的混合乳液中添加羟基硅油和十二烷基硫酸钠以及S2的混合物,并加入硫代乙酰胺,调整温度为32℃,搅拌7min至均匀;
S4.将温度调节至4℃,缓慢滴加N-氯代丁二酰亚胺,0.5h滴完,滴完后继续反应1.5h,得到防水整理剂。
将防水整理剂通过100%的轧液率对连体衣身进行浸轧,再以110℃的温度预烘4min,再进行拉幅定型、预缩得到防水防护服。
各组分含量如下表1所示。
对比例
对比例1
防护服未经防水整理剂处理。
对比例2
与实施例1的区别在于,不添加丙二酸二甲酯和戊二醛,各组分含量如下表2所示。
对比例3
与实施例1的区别在于,将壬二酸二辛酯替换为丙烯酸甲酯,各组分含量如下表2所示。
对比例4
与实施例1的区别在于,将N-氯代丁二酰亚胺替换为聚乙二醇,各组分含量如下表2所示。
对比例5
与实施例1的区别在于,不添加甲基硅醇钠和N-甲基苯胺,各组分含量如下表2所示。
对比例6
与实施例1的区别在于,将N-甲基苯胺替换为乙二胺,各组分含量如下表2所示。
对比例7
与实施例1的区别在于,不添加硫代乙酰胺,各组分含量如下表2所示。
对比例8
与实施例1的区别在于,防水整理剂溶液的pH值为3。
对比例9
与实施例1的区别在于,防水整理剂溶液的pH值为8。
表1 各实施例的组分含量表
实施例1 | 实施例2 | 实施例3 | |
羟基硅油 | 20 | 30 | 25 |
十二烷基硫酸钠 | 10 | 15 | 13 |
丙二酸二甲酯 | 5 | 6 | 5 |
戊二醛 | 2 | 4 | 3 |
环烷酸钴 | 0.4 | 0.6 | 0.5 |
壬二酸二辛酯 | 3 | 6 | 5 |
石油醚 | 4 | 6 | 4 |
去离子水 | 60 | 80 | 72 |
N-氯代丁二酰亚胺 | 0.6 | 0.8 | 0.7 |
2-异丙基咪唑 | 0.1 | 0.2 | 0.2 |
甲基硅醇钠 | 2 | 3 | 2 |
N-甲基苯胺 | 1 | 2 | 1 |
硫代乙酰胺 | 2 | 3 | 3 |
表2 各对比例的组分含量表
对比例2 | 对比例3 | 对比例4 | 对比例5 | 对比例6 | 对比例7 | |
羟基硅油 | 20 | 20 | 20 | 20 | 20 | 20 |
十二烷基硫酸钠 | 10 | 10 | 10 | 10 | 10 | 10 |
丙二酸二甲酯 | / | 5 | 5 | 5 | 5 | 5 |
戊二醛 | / | 2 | 2 | 2 | 2 | 2 |
环烷酸钴 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
壬二酸二辛酯/丙烯酸甲酯 | 3 | 3 | 3 | 3 | 3 | 3 |
石油醚 | 4 | 4 | 4 | 4 | 4 | 4 |
去离子水 | 60 | 60 | 60 | 60 | 60 | 60 |
N-氯代丁二酰亚胺/聚乙二醇 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
2-异丙基咪唑 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
甲基硅醇钠 | 2 | 2 | 2 | / | 2 | 2 |
N-甲基苯胺/乙二胺 | 1 | 1 | 1 | / | 1 | 1 |
硫代乙酰胺 | 2 | 2 | 2 | 2 | 2 | / |
性能检测试验
1.取20cm×20cm的防护服试样,固定在绷架上,使防护服形成无皱纹的平滑平面,然后将绷架固定在测定仪的支架上,防护服朝上,喷嘴中心对准绷架中央;将250mL、(27±1)℃的蒸馏水迅速倒入漏斗中,约在25-30s内全部淋完,淋毕立即握住绷架一边轻敲其另一边,然后反转180°再轻敲一次,以除去沾于防护服表面的多余水滴,最后以防护服试样的正面与标准沾湿卡对比评级,测试结果如下表3所示。
标准沾湿卡评分如下:
100分-上层表面没有沾水或润湿;
90分-上层表面有少量水、不规则的沾水或润湿;
80分-上层表面受淋处有润湿;
70分-全部上层表面有部分润湿;
50分-全部上层表面完全润湿;
0分-全部上层表面完全润湿,并且表面下沉;即评分越高,防水性能越好。
2.再将防护服试样水洗30次后,与标准沾湿卡对比评级,测试结果如下表3所示。
表3 防水性能测试结果
标准沾湿卡评分 | 水洗25次后标准沾湿卡评分 | |
实施例1 | 100 | 90 |
实施例2 | 100 | 90 |
实施例3 | 100 | 90 |
对比例1 | 0 | 0 |
对比例2 | 50 | 0 |
对比例3 | 70 | 50 |
对比例4 | 50 | 0 |
对比例5 | 50 | 0 |
对比例6 | 70 | 50 |
对比例7 | 70 | 0 |
对比例8 | 100 | 90 |
对比例9 | 50 | 0 |
综上所述,可以得出以下结论:
1.通过对比例1和实施例1的对比可知,经本发明的防水整理剂整理的防护服具有较好的防水能力,且多次水洗后依然能保持较高的防水性。
2.通过对比例2和实施例1的对比可知,丙二酸二甲酯和戊二醛的共同添加可提高防护服的防水性。
3.通过对比例3和实施例1的对比,说明了壬二酸二辛酯的特定添加可有效提高防水性能。
4.通过对比例4和实施例1的对比,说明N-氯代丁二酰亚胺的添加可辅助提高防护服的防水性能。
5.通过对比例5-6和实施例1的对比可知,甲基硅醇钠和N-甲基苯胺的配合添加可提高防护服的防水性能。
6.通过对比例7和实施例1的对比可知,硫代乙酰胺的加入一方面可提高防护服的防水性能,另一方面可在防护服经多次水洗后保持其较高的防水性。
7.对比例8和实施例1-3的对比,说明了当pH为3时,防水效果与pH为4-5的效果差不多,因此从节省整理剂的原料的层面考虑,pH值为4-5时较为理想。
8.对比例9和实施例1-3的对比,说明pH值偏碱性时不利于提高防护服的防水效果。
本具体实施方式的实施例均为本发明的较佳实施例,并非依此限制本发明的保护范围,故:凡依本发明的结构、形状、原理所做的等效变化,均应涵盖于本发明的保护范围之内。
Claims (9)
1.一种防水防护服,包括连体衣身,其特征在于:所述连体衣身表面经防水整理剂处理,所述防水整理剂包括如下重量份数的组分:
20-30份羟基硅油;
10-15份十二烷基硫酸钠;
5-6份丙二酸二甲酯;
2-4份戊二醛
60-80份去离子水。
2.根据权利要求1所述的一种防水防护服,其特征在于:按重量份数计,所述防水整理剂还包括0.4-0.6份环烷酸钴和3-6份壬二酸二辛酯。
3.根据权利要求2所述的一种防水防护服,其特征在于:按重量份数计,所述防水整理剂还包括4-6份石油醚。
4.根据权利要求2所述的一种防水防护服,其特征在于:按重量份数计,所述防水整理剂还包括0.6-0.8份N-氯代丁二酰亚胺。
5.根据权利要求1所述的一种防水防护服,其特征在于:按重量份数计,所述防水整理剂还包括0.1-0.2份2-异丙基咪唑、2-3份甲基硅醇钠和1-2份N-甲基苯胺。
6.根据权利要求1所述的一种防水防护服,其特征在于:按重量份数计,所述防水整理剂还包括2-3份硫代乙酰胺。
7.根据权利要求1所述的一种防水防护服,其特征在于:所述防水整理剂用乙酸调节pH值为4-5。
8.根据权利要求1所述的一种防水防护服,其特征在于:所述防水处理剂的制备方法如下:
S1.首先将丙二酸二甲酯、戊二醛、壬二酸二辛酯、石油醚和去离子水混合并搅拌均匀,用乙酸调节pH值为4-5,搅拌3-5min;再添加环烷酸钴,温度为45-50℃,超声波的作用功率为200-260W,超声作用5-10min,得到混合乳液;
S2.将2-异丙基咪唑、2-3份甲基硅醇钠和1-2份N-甲基苯胺混合,反应温度为40-50℃,搅拌反应30-40min,得到混合物;
S3.向S1的混合乳液中添加羟基硅油和十二烷基硫酸钠以及S2的混合物,并加入硫代乙酰胺,调整温度为30-35℃,搅拌5-8min至均匀;
S4.将温度调节至4-5℃,缓慢滴加N-氯代丁二酰亚胺,0.5h滴完,滴完后继续反应1-1.5h,得到防水整理剂。
9.根据权利要求8所述的一种防水防护服,其特征在于:将所述防水整理剂通过80-120%的轧液率对连体衣身进行浸轧,再以100-120℃的温度预烘3-5min,再进行拉幅定型、预缩得到防水防护服。
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