CN113563648A - 一种防止掉渣的丁腈橡胶磨砂手套及制备方法 - Google Patents

一种防止掉渣的丁腈橡胶磨砂手套及制备方法 Download PDF

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CN113563648A
CN113563648A CN202110565258.6A CN202110565258A CN113563648A CN 113563648 A CN113563648 A CN 113563648A CN 202110565258 A CN202110565258 A CN 202110565258A CN 113563648 A CN113563648 A CN 113563648A
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林鑫
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Abstract

本发明公开了一种防止掉渣的丁腈橡胶磨砂手套,包括手套芯,所述手套芯的外表面上通过浸胶的方式固定有丁腈橡胶涂层,所述丁腈橡胶涂层包括丁腈橡胶、白炭黑、硫磺、氧化锌、ZDC、色浆、蜡乳液、硬脂酸和发泡剂,且制备方法分成了九个步骤:1)配制改性发泡剂;2)配制胶料;3)套模、控温;4)浸凝固剂;5)浸胶;6)喷盐;7)预热熔盐;8)泡水去盐;9)硫化,得到丁腈橡胶磨砂手套。本发明利用硬脂酸控制丁腈橡胶涂层的柔软度及拉伸强度,使佩戴者能够很舒适地佩戴手套,再利用蜡乳液控制丁腈橡胶涂层的抗磨性,使手套具备了很强的耐磨性能,有效地防止了手套的“掉渣”,提高了手套的品质,从而使佩戴者更加安全放心地佩戴。

Description

一种防止掉渣的丁腈橡胶磨砂手套及制备方法
技术领域
本发明属于劳保用品技术领域,具体涉及一种防止掉渣的丁腈橡胶磨砂手套及制备方法。
背景技术
在劳保用品领域中,浸胶手套已得到了广泛的应用,尤其是丁腈橡胶磨砂手套,具有佩戴舒适性好,透气灵活等优点。现阶段一般在手套表面喷洒有氯化钠或硫酸钠层,来获得磨砂,继而得到抓握力佳,耐磨强的磨砂手套,由于丁腈橡胶磨砂手套表面绒毛容易掉落,即所谓“掉渣”,轻则影响工作环境卫生,重则会对佩戴者造成工作上的干扰,甚至危害到佩戴者的安全问题。
经过检索,中国专利文献CN106835720A,公告日2017年06月13日,公开了一种丁腈胶乳磨砂手套的制备方法,文中提出“将10wt%KOH 1~2重量份和水7~8重量份混合好,在搅拌状态下缓慢加入丁腈胶100重量份中;在搅拌状态下依次加入水性聚氨酯、氯丁胶或天然乳胶4~10重量份、乳化剂2~3重量份、球磨料6~7重量份;继续搅拌1~4h后停放10h以上;即得丁腈磨砂浆料;将针织手套浸入凝固剂,且进行淋凝固剂处理后,浸入丁腈磨砂浆料中,并进行淋浆匀浆处理;然后在手套表面喷洒氯化钠或硫酸钠层,再进行预硫化烘干;对预硫化后的手套进行泡水清洗;对泡水清洗后的手套进行高温烘干,即可”,此现有技术虽然在手套表面喷洒氯化钠或硫酸钠层以获得磨砂,但此现有技术通过机械发泡对丁腈磨砂浆料进行发泡,发泡量较高,由于发泡量过大,会影响到浆料的粘附性,故极易使手套表面绒毛掉落,即“掉渣”,继而手套的耐磨性能也会受到影响,导致出现品质的问题,甚至会危害到佩戴者的安全问题。为此,需要一种新的技术方案来解决上述技术问题。
发明内容
本发明的目的在于提供一种防止掉渣的丁腈橡胶磨砂手套及制备方法,以解决上述背景技术中提出的现阶段磨砂手套,耐磨性能差,极易“掉渣”,危害到佩戴者安全的问题。
为实现上述目的,本发明提供如下技术方案:一种防止掉渣的丁腈橡胶磨砂手套,包括手套芯,所述手套芯的外表面上通过浸胶的方式固定有丁腈橡胶涂层,其特征在于,所述丁腈橡胶涂层包括按照组分份数计:100-300份丁腈橡胶、10-20份白炭黑、10-15份硫磺、10-20份氧化锌、10-20份ZDC、10-15份色浆、60-80份蜡乳液、30-50份硬脂酸和50-80份发泡剂。
其中,所述丁腈橡胶磨砂手套的具体制备方法的步骤如下:
a. 配制改性发泡剂:将蜡乳液、硬脂酸和发泡剂按照设定比例混合制备成改性发泡剂;
b. 配制胶料:将丁腈橡胶、白炭黑、硫磺、氧化锌、ZDC、色浆和改性的发泡剂按照设定比例进行搅拌混合制备成胶液;
c.套模、控温:将手套芯预热后套入手模上,并对套有手套芯的手模进行加热,温度控制在30-80℃;
d. 浸凝固剂:将手模保持上述温度,并将手套芯以35-55度角浸入凝固剂内1-10s后取出;
e.浸胶:将取出后的手套芯再以35-55度角浸入胶液内1-10s后,进行滴胶、匀胶;
f.喷盐:将浸胶后的手套芯用工业盐进行喷射10-30S,以获得磨砂;
g. 预热熔盐:将手套芯放入40-80℃的烘烤箱进行10-30min烘烤,使手套芯上喷洒的工业盐完全熔化入胶料内形成磨砂手套;
h. 泡水去盐:将磨砂手套浸入30-60℃的温水中进行30-90min浸泡直至去除多余工业盐;
I.硫化:先将手套浸入90-130℃的硫化罐中进行90-120min的高温硫化,然后再将手套转入反应60-80℃的硫化罐中进行25-35min的低温硫化,冷却后得到拉伸强度和耐磨强度的丁腈橡胶磨砂手套。
与现有技术相比,本发明的有益效果是:
1.本发明采用蜡乳液、硬脂酸和发泡剂制备成改性发泡剂,使发泡量得到了有效地控制,使丁腈橡胶涂层在蜡乳液和硬脂酸的控制下降低了3-10%的发泡量,从而使混合的胶料得到具备了超强的粘附性的吸附膜,利用硬脂酸控制丁腈橡胶涂层的柔软度及拉伸强度,使佩戴者能够很舒适地佩戴手套,从而提高了手套的适用性能,再利用蜡乳液控制丁腈橡胶涂层的抗磨性,使手套具备了很强的耐磨性能,耐磨等级可达到了四级,有效地防止了手套的“掉渣”,提高了手套的品质,从而使佩戴者更加安全放心地佩戴,避免了“掉渣”影响到工作环境的问题。
2.本发明通过喷射的方式获得磨砂,不仅使工业盐能够均匀地喷洒在吸附膜上形成磨砂,而且能够使工业盐有效地嵌入至吸附膜内,在提高了喷盐质量的同时,提高了喷盐的效率。
3.本发明通过先对手套进行高温硫化,使磨砂手套能够有效地提高柔软度及拉伸强度,再对手套进行低温硫化,使磨砂手套能够有效地提高稳定性及耐磨强度,从而有效地防止了丁腈橡胶磨砂手套“掉渣”的现象。
具体实施方式
以下通过具体实施例进一步描述本发明,但本发明不仅仅限于以下实施例。
实施例1:(以改性发泡剂减少4%的发泡量为例)
选取丁腈橡胶涂层的组分,按份数计算,150份丁腈橡胶、10份白炭黑、12份硫磺、10份氧化锌、12份ZDC和10份色浆。
首先将62份蜡乳液、33份硬脂酸和78份发泡剂混合制成173份改性发泡剂,使发泡剂能够在蜡乳液和硬脂酸的控制下减少了4%的发泡量,再将丁腈橡胶涂层的组分按照上述比例与改性发泡剂混合分散均匀,使得胶料在改性发泡剂的控制下形成具有强粘附性的吸附膜,而后在手模上套上手套芯,并对手模进行加热,温度控制在40℃,再将手套芯保持此温度,并以35-55的角度浸入凝固剂内1-10s后取出,再将手套芯以35-55的角度浸入胶液内1-10s后取出,进行滴胶、匀胶后,将浸胶后的手套芯用工业盐通过喷射的方式进行喷射10-30S,以获得磨砂,在提高了喷盐质量的同时,提高了喷盐的效率,再放入到40-80℃的烘烤箱内进行10-30min烘烤,使手套芯上喷洒的工业盐完全熔化入吸附膜内形成磨砂手套,继而将其浸入30-60℃的温水中进行30-90min浸泡直至去除多余未熔化的工业盐,最后将磨砂手套先浸入90-130℃的硫化罐中进行90-120min的高温硫化反应,再转入转入反应60-80℃的硫化罐中进行25-35min的低温硫化反应,冷却后得到拉伸强度和耐磨强度的丁腈橡胶磨砂手套,其耐磨强度可达10000转,达到了EN388测试标准的四级,有效地防止了手套的“掉渣”,提高了手套的品质,从而使佩戴者更加安全放心地佩戴,避免了“掉渣”影响到工作环境的问题。
实施例2:(以改性发泡剂减少9%的发泡量为例)
选取丁腈橡胶涂层的组分,按份数计算,280份丁腈橡胶、18份白炭黑、14份硫磺、19份氧化锌、16份ZDC和11份色浆。
首先将78份蜡乳液、49份硬脂酸和65份发泡剂混合制成192份改性发泡剂,使发泡剂能够在蜡乳液和硬脂酸的控制下减少了9%的发泡量,再将丁腈橡胶涂层的组分按照上述比例与改性发泡剂混合分散均匀,使得胶料在改性发泡剂的控制下形成具有强粘附性的吸附膜,而后在手模上套上手套芯,并对手模进行加热,温度控制在70℃,再将手套芯保持此温度,并以35-55的角度浸入凝固剂内1-10s后取出,再将手套芯以35-55的角度浸入胶液内1-10s后取出,进行滴胶、匀胶后,将浸胶后的手套芯用工业盐通过喷射的方式进行喷射10-30S,以获得磨砂,在提高了喷盐质量的同时,提高了喷盐的效率,再放入到40-80℃的烘烤箱内进行10-30min烘烤,使手套芯上喷洒的工业盐完全熔化入吸附膜内形成磨砂手套,继而将其浸入30-60℃的温水中进行30-90min浸泡直至去除多余未熔化的工业盐,最后将磨砂手套先浸入90-130℃的硫化罐中进行90-120min的高温硫化反应,再转入转入反应60-80℃的硫化罐中进行25-35min的低温硫化反应,冷却后得到拉伸强度和耐磨强度的丁腈橡胶磨砂手套,其耐磨强度可达12000转,也达到了EN388测试标准的四级,有效地防止了手套的“掉渣”,提高了手套的品质,从而使佩戴者更加安全放心地佩戴,避免了“掉渣”影响到工作环境的问题。
实施例3:(以改性发泡剂减少6%的发泡量为例)
选取丁腈橡胶涂层的组分,按份数计算,210份丁腈橡胶、14份白炭黑、11份硫磺、14份氧化锌、14份ZDC和13份色浆。
首先将70份蜡乳液、41份硬脂酸和71份发泡剂混合制成182份改性发泡剂,使发泡剂能够在蜡乳液和硬脂酸的控制下减少了6%的发泡量,再将丁腈橡胶涂层的组分按照上述比例与改性发泡剂混合分散均匀,使得胶料在改性发泡剂的控制下形成具有强粘附性的吸附膜,而后在手模上套上手套芯,并对手模进行加热,温度控制在58℃,再将手套芯保持此温度,并以35-55的角度浸入凝固剂内1-10s后取出,再将手套芯以35-55的角度浸入胶液内1-10s后取出,进行滴胶、匀胶后,将浸胶后的手套芯用工业盐通过喷射的方式进行喷射10-30S,以获得磨砂,在提高了喷盐质量的同时,提高了喷盐的效率,再放入到40-80℃的烘烤箱内进行10-30min烘烤,使手套芯上喷洒的工业盐完全熔化入吸附膜内形成磨砂手套,继而将其浸入30-60℃的温水中进行30-90min浸泡直至去除多余未熔化的工业盐,最后将磨砂手套先浸入90-130℃的硫化罐中进行90-120min的高温硫化反应,再转入转入反应60-80℃的硫化罐中进行25-35min的低温硫化反应,冷却后得到拉伸强度和耐磨强度的丁腈橡胶磨砂手套,其耐磨强度可达11000转,依旧达到了EN388测试标准的四级,有效地防止了手套的“掉渣”,提高了手套的品质,从而使佩戴者更加安全放心地佩戴,避免了“掉渣”影响到工作环境的问题。

Claims (7)

1.一种防止掉渣的丁腈橡胶磨砂手套,包括手套芯,所述手套芯的外表面上通过浸胶的方式固定有丁腈橡胶涂层,其特征在于,所述丁腈橡胶涂层包括丁腈橡胶、白炭黑、硫磺、氧化锌、ZDC、色浆、蜡乳液、硬脂酸和发泡剂。
2.根据权利要求1所述的一种防止掉渣的丁腈橡胶磨砂手套,其特征在于,所述丁腈橡胶涂层按照组分份数计为:100-300份丁腈橡胶、10-20份白炭黑、10-15份硫磺、10-20份氧化锌、10-20份ZDC、10-15份色浆、60-80份蜡乳液、30-50份硬脂酸和50-80份发泡剂。
3.一种丁腈橡胶磨砂手套的制备方法,包括权利要求1至2任一项所述的丁腈橡胶磨砂手套,其特征在于,所述丁腈橡胶磨砂手套的具体制备方法的步骤如下:
a.配制改性发泡剂:将蜡乳液、硬脂酸和发泡剂按照设定比例混合制备成改性发泡剂;
b.配制胶料:将丁腈橡胶、白炭黑、硫磺、氧化锌、ZDC、色浆和改性的发泡剂按照设定比例进行搅拌混合制备成胶液;
c.套模、控温;
d.浸凝固剂;
e.浸胶;
f.喷盐;
g.预热熔盐;
h. 泡水去盐;
I.硫化:将手套浸入硫化罐中进行硫化反应,先高温硫化后低温硫化,冷却后得到拉伸强度和耐磨强度的丁腈橡胶磨砂手套。
4.根据权利要求3所述的一种丁腈橡胶磨砂手套的制备方法,其特征在于,所述套模、控温:将手套芯预热后套入手模上,并对套有手套芯的手模进行加热,温度控制在30-80℃;所述浸凝固剂:将手模保持30-80℃的温度,并将手套芯以35-55度角浸入凝固剂内1-10s后取出;所述浸胶:将取出后的手套芯再以35-55度角浸入胶液内1-10s后,进行滴胶、匀胶;所述预热熔盐:将手套芯放入烘烤箱内进行烘烤;所述泡水去盐:将手套浸入温水中进行浸泡直至去除多余工业盐。
5.根据权利要求4所述的一种丁腈橡胶磨砂手套的制备方法,其特征在于,所述的烘烤箱的温度为40-80℃,烘烤时间为10-30min。
6.根据权利要求4所述的一种丁腈橡胶磨砂手套的制备方法,其特征在于,所述的温水的温度为30-60℃,浸泡时间为30-90min。
7.根据权利要求3所述的一种防止掉渣的丁腈橡胶磨砂手套的制备方法,其特征在于,步骤I中,所述的高温硫化的温度为90-130℃,硫化时间为90-120min,所述的低温硫化的温度为60-80℃,硫化时间为25-35min。
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