CN110293645A - 一种硅胶浸胶手套及其浸胶工艺 - Google Patents
一种硅胶浸胶手套及其浸胶工艺 Download PDFInfo
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Abstract
本发明公开了一种硅胶浸胶手套,包括手套芯和浸胶层,所述浸胶层为硅胶混合胶层,所述硅胶混合胶料层由以下重量比组分组成:硅胶70‑90%、固化剂5‑20%、稀释剂5‑20%、色浆0‑10%。本发明的硅胶混合胶料层采用硅胶、固化剂和稀释剂组成,按照上述特定比例混合,胶料流动性能好、容易吸附在手套芯上,固化后与手套芯间粘结牢固,胶面轻薄柔软透明度高,根据所需颜色要求加入特定量的色浆,可以制作出不同颜色的胶面,胶面立体感强,手套外观富有美感。
Description
技术领域
本发明涉及一种劳保手套,具体地说,涉及一种表面浸有硅胶的浸胶手套及其浸胶工艺。
背景技术
硅胶手套(特指劳保手套)具有耐磨、防滑、耐高低温等特点,常用于特殊环境作业者佩戴。而硅胶手套大多是在手套芯的特定部位通过热合或缝制等工艺加配一层硅胶垫,比如中国专利CN108991634A公开的一种多层手套。这种硅胶手套虽然起到了很好的保护作用,但手套的整体厚度较厚,尤其是加配硅胶垫的部位,使得佩戴者操作很不灵活。
随着技术的进步,目前国内一些劳保手套生产厂家也在尝试通过浸胶、淋胶或是涂抹等方式来制作硅胶手套,比如中国专利CN106738548A公开的一种硅胶手套的制作方法,该种做法存在硅胶层与手套芯间牢固性不好、容易脱落等问题。又比如中国专利CN103923466B公开的一种硅胶手套的制作方法,该方法是采用浸胶工艺,其虽然解决了粘结牢固性的问题,但存在在浸胶时,硅胶液容易渗透到手套芯内部,影响佩戴者的舒适性,同时制作的手套柔软性能较差。
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
本发明的目的是提供一种硅胶浸胶手套的硅胶新配方以及浸胶新工艺,由此制作出的硅胶手套不仅柔软性能好、而且硅胶混合胶层与手套芯间的牢固性极强,剥离强度达到12N/mm,浸胶过程中胶液不会渗透到手套芯内部。
本发明采用的技术方案是:
一种硅胶浸胶手套,包括手套芯和浸胶层,所述浸胶层为硅胶混合胶层,所述硅胶混合胶料层由以下重量比组分组成:硅胶70-90%、固化剂5-20%、稀释剂5- 20%、色浆 0-10%。
所述手套芯由尼龙、涤纶、腈纶、棉纱、竹纤维、天丝中的一种纱编织而成或由尼龙与氨纶、涤纶与氨纶、腈纶与氨纶、棉纱与氨纶、竹纤维与氨纶或天丝与氨纶中的一种混合纱编织而成。
优选的,所述手套芯由超高分子量聚乙烯纤维与尼龙纱、涤纶纱、腈纶纱、棉纱、竹纤维纱或天丝纱及氨纶辅助纱编织而成。
优选的,所述手套芯由芳纶纤维纱与尼龙纱、涤纶纱、腈纶纱、棉纱、竹纤维或天丝纱及氨纶辅助纱编织而成。
优选的,所述手套芯编织过程中还加入玻璃纤维、玄武岩纤维、钢丝或钨丝。
一种硅胶浸胶手套的浸胶工艺,上述手套芯经过预处理后浸入硅胶混合胶层胶料中,然后经过滴胶、匀胶和烘烤步骤制得硅胶浸胶手套。所述手套芯预处理步骤具体为:根据浸胶部位的要求,在手套芯所需浸胶的部位上均匀淋洒预处理液,淋洒有预处理液的手套芯在40-60℃的水中浸泡5-10min,然后再进行浸胶步骤。
所述预处理液由以下重量比组分组成:乙烯基封端聚二甲基硅氧烷70-80%、硅烷偶联剂5-10%、八甲基环四硅氧烷5-10%、金属催化剂1-3%、水5-10%、色浆0-2%。
优选的,所述金属催化剂优选为Karstedt催化剂。
优选的,所述淋洒的预处理液温度为40-60℃。
本发明的硅胶混合胶料层采用硅胶、固化剂和稀释剂组成,按照上述特定比例混合,胶料流动性能好、容易吸附在手套芯上,固化后与手套芯间粘结牢固,胶面轻薄柔软透明度高,根据所需颜色要求加入特定量的色浆,可以制作出不同颜色的胶面,胶面立体感强,手套外观富有美感。
在浸胶之前先对手套芯进行预处理,即在手套芯上喷洒预处理液,喷洒后在温水中浸泡,使得预处理液在手套芯表面形成一层薄膜,该薄膜牢牢地吸附在手套芯上,在浸胶时,硅胶混合胶料与薄膜间发生一定的化学反应,硅胶混合胶料层与薄膜间通过化学键有机的粘结在一起,即硅胶混合胶料层固化后与薄膜间形成一体结构,这样胶面与手套芯间的粘结性更加牢固。同时,形成的薄膜可以阻挡胶液渗透到手套芯内部,提高浸胶质量。此外,预处理液中加入的色浆可以制作出不同颜色的薄膜,制作出的硅胶手套不仅胶面带有颜色、且胶面的底层(即薄膜)也带有颜色,两者的颜色可以相同也可以不同,这样的硅胶手套外观颜色丰富、美观。
具体实施方案
实施例1
硅胶混合胶层的配制:将8Kg的硅胶置于配料釜中加入1Kg的固化剂、0.8Kg 的2-甲基硅油和0.2Kg的色浆,混合均匀制得浸胶料,固化剂由正硅酸乙酯和二月桂酸二丁基锡按照重量比4:1混合而成。
实施例2
硅胶混合胶层的配制:将9Kg的硅胶置于配料釜中加入0.5Kg的固化剂、0.5Kg 的2-甲基硅油,混合均匀制得浸胶料,固化剂由正硅酸乙酯和二月桂酸二丁基锡按照重量比5:1混合而成。
实施例3
硅胶混合胶层的配制:将7Kg的硅胶置于配料釜中加入2Kg的固化剂、0.5Kg 的2-甲基硅油和0.5Kg的色浆,混合均匀制得浸胶料,固化剂由正硅酸乙酯和二月桂酸二丁基锡按照重量比4:1混合而成。
实施例4
预处理液的配制:将7Kg的乙烯基封端聚二甲基硅氧烷、1Kg的硅烷偶联剂、1Kg的八甲基环四硅氧烷、0.1Kg的Karstedt催化剂、0.7Kg的水和0.2Kg的色浆混合均匀后,加热在40℃并保温待用。
实施例5
预处理液的配制:将8Kg的乙烯基封端聚二甲基硅氧烷、0.9Kg的硅烷偶联剂、0.5Kg的八甲基环四硅氧烷、0.1Kg的Karstedt催化剂和0.5Kg的水色浆混合均匀后,加热在40℃并保温待用。
实施例6
预处理液的配制:将7Kg的乙烯基封端聚二甲基硅氧烷、0.5Kg的硅烷偶联剂、1Kg的八甲基环四硅氧烷、0.3Kg的Karstedt催化剂、1Kg的水和0.2Kg的色浆混合均匀后,加热在50℃并保温待用。
实施例7
选用15针尼龙手套芯,首先将手模预热至50℃,在手模上套上手套芯并保温4min,然后将手套芯的预浸胶部位喷淋预处理液,然后在50℃的水中浸泡8min,然后在浸胶池内浸胶1s,在浸胶池上滴胶2min和匀胶4min后,然后在90℃下烘烤50min,最后经过冷却脱模得硅胶产品,预处理液采用实施例4,浸胶料采用实施例1。
实施例8
预处理液采用实施例5,浸胶料采用实施例2,其他步骤同实施例7。
实施例9
预处理液采用实施例6,浸胶料采用实施例3,其他步骤同实施例7。
对比例1
选用15针尼龙手套芯,首先将手模预热至50℃,在手模上套上手套芯并保温4min,然后将手套芯的预浸胶部位喷淋预处理液,然后在浸胶池内浸胶1s,在浸胶池上滴胶2min和匀胶4min后,然后在90℃下烘烤50min,最后经过冷却脱模得硅胶产品,预处理液采用实施例4,浸胶料采用实施例1。
对比例2
预处理液采用实施例5,浸胶料采用实施例2,其他步骤同对比例1。
对比例3
预处理液采用实施例6,浸胶料采用实施例3,其他步骤同对比例1。
上述实施例7-9和对比例1-3中所制得手套的浸胶层厚度均相同,实施例7-9和对比例1-3手套的胶面剥离强度经检测:
Claims (10)
1.一种硅胶浸胶手套,包括手套芯和浸胶层,其特征在于:所述浸胶层为硅胶混合胶层,所述硅胶混合胶料层由以下重量比组分组成:
硅胶 70-90%
固化剂 5-20%
稀释剂 5- 20%
色浆 0-10%。
2.根据权利要求1所述的一种硅胶浸胶手套,其特征在于:所述手套芯由尼龙、涤纶、腈纶、棉纱、竹纤维、天丝中的一种纱编织而成或由尼龙与氨纶、涤纶与氨纶、腈纶与氨纶、棉纱与氨纶、竹纤维与氨纶或天丝与氨纶中的一种混合纱编织而成。
3.根据权利要求1所述的一种硅胶浸胶手套,其特征在于:所述手套芯由超高分子量聚乙烯纤维与尼龙纱、涤纶纱、腈纶纱、棉纱、竹纤维纱或天丝纱及氨纶辅助纱编织而成。
4.根据权利要求1所述的一种硅胶浸胶手套,其特征在于:所述手套芯由芳纶纤维纱与尼龙纱、涤纶纱、腈纶纱、棉纱、竹纤维或天丝纱及氨纶辅助纱编织而成。
5.根据权利要求3所述的一种硅胶浸胶手套,其特征在于:所述手套芯编织过程中还加入玻璃纤维、玄武岩纤维、钢丝或钨丝。
6.一种硅胶浸胶手套的浸胶工艺,其特征在于:用权利要求1-5中任意一项所述的手套芯经过预处理后浸入硅胶混合胶层胶料中,然后经过滴胶、匀胶和烘烤步骤制得硅胶浸胶手套。
7.根据权利要求6所述的一种硅胶浸胶手套的浸胶工艺,其特征在于:所述手套芯预处理步骤具体为:根据浸胶部位的要求,在手套芯所需浸胶的部位上均匀淋洒预处理液,淋洒有预处理液的手套芯在40-60℃的水中浸泡5-10min,然后再进行浸胶步骤。
8.根据权利要求7所述的一种硅胶浸胶手套的浸胶工艺,其特征在于:所述预处理液由以下重量比组分组成:
乙烯基封端聚二甲基硅氧烷 70-80%
硅烷偶联剂 5-10%
八甲基环四硅氧烷 5-10%
金属催化剂 1-3%
水 5-10%
色浆 0-2%。
9.根据权利要求8所述的一种硅胶浸胶手套的浸胶工艺,其特征在于:所述金属催化剂优选为Karstedt催化剂。
10.根据权利要求6-9中任意一项所述的一种硅胶浸胶手套的浸胶工艺,其特征在于:所述淋洒的预处理液温度为40-60℃。
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