CN112760049A - 一种压敏胶防拆标签材料及其制备方法 - Google Patents
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Abstract
本发明公开了一种压敏胶防拆标签材料及其制备方法,涉及标签材料制备技术领域。包括以下重量份数的原料:溶剂型甲基乙烯基硅油醋酸乙酯溶液60‑80份、交联剂1‑5份、催化剂3‑5份、胶水10‑13份、高粘丙烯酸压敏胶20‑30份以及异氰酸酯固化剂8‑10份。本发明通过在制备的过程中硅油配方的调配可使胶水附着在硅油上,胶水接触钢板后则可轻松脱至钢板上,起到防拆作用,在涂胶面上部分区域做硅油离型处理,贴标撕起后该部分胶水会脱落在被贴物上,以此达到防拆效果,从而可大量用于需要做防拆封标识的电子行业;本发明在PET原膜上胶涂布部分区域的硅油,胶水选取有一定内聚力,胶水正确的选择可以使胶水脱至钢板上时不会带到旁边的胶水。
Description
技术领域
本发明涉及标签材料制备技术领域,具体为一种压敏胶防拆标签材料及其制备方法。
背景技术
压敏胶粘剂的全称为压力敏感型胶粘剂,又俗称不干胶,简称压敏胶。压敏胶制品包括压敏胶粘带和压敏胶标签纸、压敏胶片三大类。它们的全称为压力敏感型胶粘带、压力敏感型胶粘标签纸、压力敏感型胶粘片,俗称胶带、不干胶标签纸、压敏胶片。调节过这种组分以达到产品具有较好性能,随着公司与公司之间的贸易往来和人与人之间的交流越来越密切,防拆标签作为一种防伪材料以其使用方便和防拆效果好等优点得到广泛的认可。
压敏胶粘剂是标签中常用的一种胶粘剂,然而,采用压敏胶粘剂作为胶粘剂的标签在使用过程中防伪效果一般,这与压敏胶粘剂的初粘性、剥离强度、持粘性等物理性能欠佳有关,为此,我们提出了一种压敏胶防拆标签材料及其制备方法来解决上述问题。
发明内容
针对现有技术的不足,本发明提供了一种压敏胶防拆标签材料及其制备方法,以解决上述背景技术中提出的问题。
为实现上述目的,本发明提供如下技术方案:一种压敏胶防拆标签材料,包括以下重量份数的原料:溶剂型甲基乙烯基硅油醋酸乙酯溶液60-80份、交联剂1-5份、催化剂3-5份、胶水10-13份、高粘丙烯酸压敏胶20-30份以及异氰酸酯固化剂8-10份。
根据权利要求1所述一种压敏胶防拆标签材料的制备方法,包括以下步骤:
S1、按重量份数依次称取所需的原料:将溶剂型甲基乙烯基硅油醋酸乙酯溶液加入搅拌机中,并向搅拌机中依次加入交联剂和催化剂,搅拌均匀,备用;
S2、硅油聚对苯二甲酸乙二醇酯的制备:使用特定区域含有规律凹纹的凹版网纹辊将步骤S1中制备的溶液均匀的涂布在聚对苯二甲酸乙二醇酯上,经过烘箱烘干,并卷取成卷装;
S3、配置高粘丙烯酸压敏胶:按重量份数称取胶水和异氰酸酯固化剂放入混合器中混合均匀,得到所需的高粘丙烯酸压敏胶,备用;
S4、压敏胶防拆标签材料的制备:将步骤S3中制备的高粘丙烯酸压敏胶通过刮刀涂布的方式均匀涂布在白格拉辛离型纸上,后和步骤S2中涂布硅油的聚对苯二甲酸乙二醇酯贴合,即可得到压敏胶防拆标签材料;
S5、测试操作:将步骤s4中制备的压敏胶防拆标签材料贴在镜面钢板上的特定区域,20min后撕起,残胶在钢板上的面积占特定区域面积的80%以上。
进一步优化本技术方案,所述步骤S1中的交联剂为硅烷偶联剂醋酸乙酯溶液,所述步骤S1中的催化剂为二丁基锡甲苯溶液。
进一步优化本技术方案,所述步骤S1中溶剂型甲基乙烯基硅油醋酸乙酯溶液:交联剂:催化剂按100:0.2-0.8:0.2-1.2的比例进行配置。
进一步优化本技术方案,所述步骤S2中聚对苯二甲酸乙二醇酯的厚度为20-30u。
进一步优化本技术方案,所述步骤S3中配置的高粘丙烯酸压敏胶按胶水:异氰酸酯固化剂100:0.5-2.5的比例配置。
进一步优化本技术方案,所述步骤S4中的白格拉辛离型纸的厚度为18-20um,且白格拉辛离型纸的重量为市售80g。
与现有技术相比,本发明提供了一种压敏胶防拆标签材料及其制备方法,具备以下有益效果:
1、该压敏胶防拆标签材料及其制备方法,本发明通过在制备的过程中硅油配方的调配可使胶水附着在硅油上,胶水接触钢板后则可轻松脱至钢板上,起到防拆作用,在涂胶面上部分区域做硅油离型处理,贴标撕起后该部分胶水会脱落在被贴物上,以此达到防拆效果,从而可大量用于需要做防拆封标识的电子行业。
2、该压敏胶防拆标签材料及其制备方法,本发明在PET原膜上胶涂布部分区域的硅油,胶水选取有一定内聚力,但贴上后易部分脱落的胶水,胶水正确的选择可以使胶水脱至钢板上时不会带到旁边的胶水,使胶水仅从特定区域脱落,与此同时胶水本身具有较好的初粘性、持粘性的粘性,保证了该防拆标签材料的使用效果。
附图说明
图1为本发明提出的一种压敏胶防拆标签材料及其制备方法的流程示意图。
具体实施方式
下面将结合本发明的实施例,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例一:请参考图1,本发明公开了一种压敏胶防拆标签材料,包括以下重量份数的原料:溶剂型甲基乙烯基硅油醋酸乙酯溶液60份、交联剂1份、催化剂3份、胶水10份、高粘丙烯酸压敏胶20份以及异氰酸酯固化剂8份。
一种压敏胶防拆标签材料的制备方法,包括以下步骤:
S1、按重量份数依次称取所需的原料:将溶剂型甲基乙烯基硅油醋酸乙酯溶液加入搅拌机中,溶剂型甲基乙烯基硅油醋酸乙酯溶液:交联剂:催化剂按100:0.2:0.2的比例进行配置,并向搅拌机中依次加入交联剂和催化剂,交联剂为硅烷偶联剂醋酸乙酯溶液,催化剂为二丁基锡甲苯溶液,搅拌均匀,备用;
S2、硅油聚对苯二甲酸乙二醇酯的制备:使用特定区域含有规律凹纹的凹版网纹辊将步骤S1中制备的溶液均匀的涂布在聚对苯二甲酸乙二醇酯上,聚对苯二甲酸乙二醇酯的厚度为20u,经过烘箱烘干,并卷取成卷装;
S3、配置高粘丙烯酸压敏胶:按重量份数称取胶水和异氰酸酯固化剂放入混合器中混合均匀,高粘丙烯酸压敏胶按胶水:异氰酸酯固化剂100:0.5的比例配置,得到所需的高粘丙烯酸压敏胶,备用;
S4、压敏胶防拆标签材料的制备:将步骤S3中制备的高粘丙烯酸压敏胶通过刮刀涂布的方式均匀涂布在白格拉辛离型纸上,白格拉辛离型纸的厚度为18um,且白格拉辛离型纸的重量为市售80g,后和步骤S2中涂布硅油的聚对苯二甲酸乙二醇酯贴合,即可得到压敏胶防拆标签材料;
S5、测试操作:将步骤s4中制备的压敏胶防拆标签材料贴在镜面钢板上的特定区域,20min后撕起,残胶在钢板上的面积占特定区域面积的80%以上。
实施例二:请参考图1,本发明公开了一种压敏胶防拆标签材料,包括以下重量份数的原料:溶剂型甲基乙烯基硅油醋酸乙酯溶液70份、交联剂4份、催化剂4份、胶水11份、高粘丙烯酸压敏胶25份以及异氰酸酯固化剂9份。
一种压敏胶防拆标签材料的制备方法,其特征在于,包括以下步骤:
S1、按重量份数依次称取所需的原料:将溶剂型甲基乙烯基硅油醋酸乙酯溶液加入搅拌机中,溶剂型甲基乙烯基硅油醋酸乙酯溶液:交联剂:催化剂按100:0.6:0.8的比例进行配置,并向搅拌机中依次加入交联剂和催化剂,交联剂为硅烷偶联剂醋酸乙酯溶液,催化剂为二丁基锡甲苯溶液,搅拌均匀,备用;
S2、硅油聚对苯二甲酸乙二醇酯的制备:使用特定区域含有规律凹纹的凹版网纹辊将步骤S1中制备的溶液均匀的涂布在聚对苯二甲酸乙二醇酯上,聚对苯二甲酸乙二醇酯的厚度为25u,经过烘箱烘干,并卷取成卷装;
S3、配置高粘丙烯酸压敏胶:按重量份数称取胶水和异氰酸酯固化剂放入混合器中混合均匀,高粘丙烯酸压敏胶按胶水:异氰酸酯固化剂100:2.0的比例配置,得到所需的高粘丙烯酸压敏胶,备用;
S4、压敏胶防拆标签材料的制备:将步骤S3中制备的高粘丙烯酸压敏胶通过刮刀涂布的方式均匀涂布在白格拉辛离型纸上,白格拉辛离型纸的厚度为19um,且白格拉辛离型纸的重量为市售80g,后和步骤S2中涂布硅油的聚对苯二甲酸乙二醇酯贴合,即可得到压敏胶防拆标签材料;
S5、测试操作:将步骤s4中制备的压敏胶防拆标签材料贴在镜面钢板上的特定区域,20min后撕起,残胶在钢板上的面积占特定区域面积的80%以上。
实施例三:请参考图1,本发明公开了一种压敏胶防拆标签材料,包括以下重量份数的原料:溶剂型甲基乙烯基硅油醋酸乙酯溶液80份、交联剂5份、催化剂5份、胶水13份、高粘丙烯酸压敏胶30份以及异氰酸酯固化剂10份。
一种压敏胶防拆标签材料的制备方法,包括以下步骤:
S1、按重量份数依次称取所需的原料:将溶剂型甲基乙烯基硅油醋酸乙酯溶液加入搅拌机中,溶剂型甲基乙烯基硅油醋酸乙酯溶液:交联剂:催化剂按100:0.8:1.2的比例进行配置,并向搅拌机中依次加入交联剂和催化剂,交联剂为硅烷偶联剂醋酸乙酯溶液,催化剂为二丁基锡甲苯溶液,搅拌均匀,备用;
S2、硅油聚对苯二甲酸乙二醇酯的制备:使用特定区域含有规律凹纹的凹版网纹辊将步骤S1中制备的溶液均匀的涂布在聚对苯二甲酸乙二醇酯上,聚对苯二甲酸乙二醇酯的厚度为30u,经过烘箱烘干,并卷取成卷装;
S3、配置高粘丙烯酸压敏胶:按重量份数称取胶水和异氰酸酯固化剂放入混合器中混合均匀,高粘丙烯酸压敏胶按胶水:异氰酸酯固化剂100:2.5的比例配置,得到所需的高粘丙烯酸压敏胶,备用;
S4、压敏胶防拆标签材料的制备:将步骤S3中制备的高粘丙烯酸压敏胶通过刮刀涂布的方式均匀涂布在白格拉辛离型纸上,白格拉辛离型纸的厚度为20um,且白格拉辛离型纸的重量为市售80g,后和步骤S2中涂布硅油的聚对苯二甲酸乙二醇酯贴合,即可得到压敏胶防拆标签材料;
S5、测试操作:将步骤s4中制备的压敏胶防拆标签材料贴在镜面钢板上的特定区域,20min后撕起,残胶在钢板上的面积占特定区域面积的80%以上。
判断标准:通过三个实施例对比,效果最佳者为实施例二,因此,选择实施例二为最佳实施例,具体对量的改变,也属于本技术方案保护的范围。
本发明的有益效果:该压敏胶防拆标签材料及其制备方法,本发明通过在制备的过程中硅油配方的调配可使胶水附着在硅油上,胶水接触钢板后则可轻松脱至钢板上,起到防拆作用,在涂胶面上部分区域做硅油离型处理,贴标撕起后该部分胶水会脱落在被贴物上,以此达到防拆效果,从而可大量用于需要做防拆封标识的电子行业;本发明在PET原膜上胶涂布部分区域的硅油,胶水选取有一定内聚力,但贴上后易部分脱落的胶水,胶水正确的选择可以使胶水脱至钢板上时不会带到旁边的胶水,使胶水仅从特定区域脱落,与此同时胶水本身具有较好的初粘性、持粘性的粘性,保证了该防拆标签材料的使用效果。
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。
Claims (7)
1.一种压敏胶防拆标签材料,其特征在于,包括以下重量份数的原料:溶剂型甲基乙烯基硅油醋酸乙酯溶液60-80份、交联剂1-5份、催化剂3-5份、胶水10-13份、高粘丙烯酸压敏胶20-30份以及异氰酸酯固化剂8-10份。
2.根据权利要求1所述的一种压敏胶防拆标签材料的制备方法,其特征在于,包括以下步骤:
S1、按重量份数依次称取所需的原料:将溶剂型甲基乙烯基硅油醋酸乙酯溶液加入搅拌机中,并向搅拌机中依次加入交联剂和催化剂,搅拌均匀,备用;
S2、硅油聚对苯二甲酸乙二醇酯的制备:使用特定区域含有规律凹纹的凹版网纹辊将步骤S1中制备的溶液均匀的涂布在聚对苯二甲酸乙二醇酯上,经过烘箱烘干,并卷取成卷装;
S3、配置高粘丙烯酸压敏胶:按重量份数称取胶水和异氰酸酯固化剂放入混合器中混合均匀,得到所需的高粘丙烯酸压敏胶,备用;
S4、压敏胶防拆标签材料的制备:将步骤S3中制备的高粘丙烯酸压敏胶通过刮刀涂布的方式均匀涂布在白格拉辛离型纸上,后和步骤S2中涂布硅油的聚对苯二甲酸乙二醇酯贴合,即可得到压敏胶防拆标签材料;
S5、测试操作:将步骤s4中制备的压敏胶防拆标签材料贴在镜面钢板上的特定区域,20min后撕起,残胶在钢板上的面积占特定区域面积的80%以上。
3.根据权利要求2所述的一种压敏胶防拆标签材料的制备方法,其特征在于,所述步骤S1中的交联剂为硅烷偶联剂醋酸乙酯溶液,所述步骤S1中的催化剂为二丁基锡甲苯溶液。
4.根据权利要求2所述的一种压敏胶防拆标签材料的制备方法,其特征在于,所述步骤S1中溶剂型甲基乙烯基硅油醋酸乙酯溶液:交联剂:催化剂按100:0.2-0.8:0.2-1.2的比例进行配置。
5.根据权利要求2所述的一种压敏胶防拆标签材料的制备方法,其特征在于,所述步骤S2中聚对苯二甲酸乙二醇酯的厚度为20-30u。
6.根据权利要求2所述的一种压敏胶防拆标签材料的制备方法,其特征在于,所述步骤S3中配置的高粘丙烯酸压敏胶按胶水:异氰酸酯固化剂100:0.5-2.5的比例配置。
7.根据权利要求2所述的一种压敏胶防拆标签材料的制备方法,其特征在于,所述步骤S4中的白格拉辛离型纸的厚度为18-20um,且白格拉辛离型纸的重量为市售80g。
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