CN115011280A - 一种低熔点高粘结强度热塑性聚烯烃热熔胶膜及其制备方法 - Google Patents
一种低熔点高粘结强度热塑性聚烯烃热熔胶膜及其制备方法 Download PDFInfo
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- 230000000052 comparative effect Effects 0.000 description 3
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- 238000011056 performance test Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
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- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
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Abstract
本发明涉及热熔胶膜材料领域,特别是涉及一种低熔点高粘结强度热塑性聚烯烃热熔胶膜,包括如下质量份数的组分:聚烯烃树脂55‑85份;低熔点混合物20‑35份;抗老化剂5‑10份;水解稳定剂2‑8份;助剂1‑4份。本发明提供一种性能优异的低熔点高粘结强度热塑性聚烯烃热熔胶膜;还提供一种低熔点高粘结强度热塑性聚烯烃热熔胶膜,工艺简单,操作便捷。
Description
技术领域
本发明涉及热熔胶膜材料领域,特别是涉及一种低熔点高粘结强度热塑性聚烯烃热熔胶膜及其制备方法。
背景技术
聚烯烃是一类高分子聚合物的统称,通常指由乙烯、丙烯、1-丁烯、1-戊烯、1-己烯、1-辛烯、4-甲基-1-戊烯等α-烯烃以及某些环烯烃单独聚合或共聚合而得到的一类热塑性树脂。聚烯烃用在热熔胶膜上的最多的就是聚乙烯和聚丙烯了,也就是PE热熔胶膜和PP热熔胶膜,它们被统称为PO热熔胶膜。
目前聚烯烃热熔胶膜在市场上发展很迅速,但是实际生产中发现,这种热塑性聚烯烃热熔胶膜贴附在产物上的粘合强度较差,而且熔点高。
发明内容
为解决上述技术问题,本发明提供一种性能优异的低熔点高粘结强度热塑性聚烯烃热熔胶膜。
本发明还提供一种低熔点高粘结强度热塑性聚烯烃热熔胶膜,工艺简单,操作便捷。
本发明采用如下技术方案:
一种低熔点高粘结强度热塑性聚烯烃热熔胶膜,包括如下质量份数的组分:
对上述技术方案的进一步改进为,所述聚烯烃树脂为聚乙烯、聚丙烯、乙烯-丙烯共聚物、乙烯-辛烯共聚物、聚丁二烯、聚降冰片烯共聚物中的一种或多种的混合物,所述聚烯烃树脂的熔融指数为35-45g/10min。
对上述技术方案的进一步改进为,所述低熔点混合物包括长链脂肪二酸、中链脂肪二酸或熔点为40~50℃的热塑性聚氨酯的混合物。
对上述技术方案的进一步改进为,当所述低熔点混合物包括长链脂肪二酸、中链脂肪二酸的混合物时,所述长链脂肪二酸、中链脂肪二酸的重量比为4-6:1-3。
对上述技术方案的进一步改进为,所述长链脂肪二酸为十二烷二酸、十三烷二酸、十四烷二酸、十五烷二酸中的一种或几种。
对上述技术方案的进一步改进为,所述中链脂肪二酸为庚二酸、辛二酸、壬二酸、癸二酸中的一种或几种。
对上述技术方案的进一步改进为,所述抗老化剂为二缩三乙二醇双[β-(3-叔丁基-4-羟基-5-甲基苯基)丙酸酯]、四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯或硫代二乙撑双[3-(3,5-二叔丁基-4-羟基苯基)丙酸酯]中的一种或多种。
对上述技术方案的进一步改进为,所述水解稳定剂为单碳化二亚胺或双(2,6)-二异丙基碳化亚胺中的一种或两种的混合物。
对上述技术方案的进一步改进为,所述助剂包括对苯二甲酸、二聚酸、己二胺、甘油的混合物;所述对苯二甲酸、二聚酸、己二胺、甘油的重量比为5-7:2-3:1-2:1:2。
一种低熔点高粘结强度热塑性聚烯烃热熔胶膜的制备方法,包括如下步骤:
S1、将聚烯烃树脂、低熔点混合物、助剂按每组分所占的质量份数混合搅拌在95-105℃下保温2-3h,得到反应产物;
S2、在反应产物中加入抗老化剂、水解稳定剂进一步混合搅拌,剪切分散6-8min后相互反应均匀后,投入流延机中,经过塑化挤出、流延、牵引、收卷,即得所述低熔点高粘结强度热塑性聚烯烃热熔胶膜。
本发明的有益效果为:
本发明通过低熔点混合物采用长链脂肪二酸、中链脂肪二酸的混合物,两种二酸具有不同的链段长度,其混合反应后得到的聚酯具有不同的熔点,可以实现低熔点先熔化,体系粘度降低,热速率加快;采用长链脂肪二酸、中链脂肪二酸的混合,降低了熔点,并保持了良好的粘合剂强度和粘接强度。
具体实施方式
下面,结合具体实施方式,对本发明做进一步描述,需要说明的是,在不相冲突的前提下,以下描述的各实施例之间或各技术特征之间可以任意组合形成新的实施例。以下是本发明具体的实施例,在下述实施例中所采用的原材料、设备等除特殊限定外均可以通过购买方式获得。
一种低熔点高粘结强度热塑性聚烯烃热熔胶膜,包括如下质量份数的组分:聚烯烃树脂55-85份;低熔点混合物20-35份;抗老化剂5-10份;水解稳定剂2-8份;助剂1-4份。
进一步地,所述聚烯烃树脂为聚乙烯、聚丙烯、乙烯-丙烯共聚物、乙烯-辛烯共聚物、聚丁二烯、聚降冰片烯共聚物中的一种或多种的混合物,所述聚烯烃树脂的熔融指数为35-45g/10min。
进一步地,所述低熔点混合物包括长链脂肪二酸、中链脂肪二酸或熔点为40~50℃的热塑性聚氨酯的混合物。
进一步地,当所述低熔点混合物包括长链脂肪二酸、中链脂肪二酸的混合物时,所述长链脂肪二酸、中链脂肪二酸的重量比为4-6:1-3。
进一步地,所述长链脂肪二酸为十二烷二酸、十三烷二酸、十四烷二酸、十五烷二酸中的一种或几种。
进一步地,所述中链脂肪二酸为庚二酸、辛二酸、壬二酸、癸二酸中的一种或几种。
进一步地,所述抗老化剂为二缩三乙二醇双[β-(3-叔丁基-4-羟基-5-甲基苯基)丙酸酯]、四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯或硫代二乙撑双[3-(3,5-二叔丁基-4-羟基苯基)丙酸酯]中的一种或多种。
进一步地,所述水解稳定剂为单碳化二亚胺或双(2,6)-二异丙基碳化亚胺中的一种或两种的混合物。
进一步地,所述助剂包括对苯二甲酸、二聚酸、己二胺、甘油的混合物;所述对苯二甲酸、二聚酸、己二胺、甘油的重量比为5-7:2-3:1-2:1:2。
引入对苯二甲酸提高了其热稳定性,二聚酸的加入平衡了引入苯基后对柔韧性的影响,己二胺的引入得到部分酰胺结构,提高耐热性,且对柔韧性影响较小,甘油起到了一定程度的交联结构,这五种物质以特定比例配合使用,平衡了柔韧性耐热性以及粘接力。
一种低熔点高粘结强度热塑性聚烯烃热熔胶膜的制备方法,包括如下步骤:
S1、将聚烯烃树脂、低熔点混合物、助剂按每组分所占的质量份数混合搅拌在95-105℃下保温2-3h,得到反应产物;
S2、在反应产物中加入抗老化剂、水解稳定剂进一步混合搅拌,剪切分散6-8min后相互反应均匀后,投入流延机中,经过塑化挤出、流延、牵引、收卷,即得所述低熔点高粘结强度热塑性聚烯烃热熔胶膜。
实施例1
一种低熔点高粘结强度热塑性聚烯烃热熔胶膜的制备方法,包括如下步骤:
S1、将55份聚烯烃树脂、20份十二烷二酸、庚二酸的混合物、1份助剂按每组分所占的质量份数混合搅拌在95℃下保温2h,得到反应产物;
S2、在反应产物中加入5份二缩三乙二醇双[β-(3-叔丁基-4-羟基-5-甲基苯基)丙酸酯]、2份单碳化二亚胺进一步混合搅拌,剪切分散6min后相互反应均匀后,投入流延机中,经过塑化挤出、流延、牵引、收卷,即得所述低熔点高粘结强度热塑性聚烯烃热熔胶膜。
其中,聚烯烃树脂的熔融指数为35g/10min;十二烷二酸、庚二酸的重量比为4:1。
实施例2
一种低熔点高粘结强度热塑性聚烯烃热熔胶膜的制备方法,包括如下步骤:
S1、将80份聚烯烃树脂、25份十三烷二酸、壬二酸的混合物、2份助剂按每组分所占的质量份数混合搅拌在95℃下保温2.5h,得到反应产物;
S2、在反应产物中加入6份四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯、3份单碳化二亚胺进一步混合搅拌,剪切分散6min后相互反应均匀后,投入流延机中,经过塑化挤出、流延、牵引、收卷,即得所述低熔点高粘结强度热塑性聚烯烃热熔胶膜。
其中,聚烯烃树脂的熔融指数为35g/10min;十三烷二酸、壬二酸的重量比为5:1。
实施例3
一种低熔点高粘结强度热塑性聚烯烃热熔胶膜的制备方法,包括如下步骤:
S1、将80份聚烯烃树脂、35份十四烷二酸、辛二酸的混合物、3份助剂按每组分所占的质量份数混合搅拌在95℃下保温2h,得到反应产物;
S2、在反应产物中加入10份硫代二乙撑双[3-(3,5-二叔丁基-4-羟基苯基)丙酸酯]、8份双(2,6)-二异丙基碳化亚胺进一步混合搅拌,剪切分散6min后相互反应均匀后,投入流延机中,经过塑化挤出、流延、牵引、收卷,即得所述低熔点高粘结强度热塑性聚烯烃热熔胶膜。
其中,聚烯烃树脂的熔融指数为35g/10min;十四烷二酸、辛二酸的重量比为4:3。
对比例1
一种热塑性聚烯烃热熔胶膜的制备方法,包括如下步骤:
S1、将45份聚烯烃树脂、0.2份助剂按每组分所占的质量份数混合搅拌在110℃下保温2-3h,得到反应产物;
S2、在反应产物中加入4份抗老化剂、0.5份水解稳定剂进一步混合搅拌,剪切分散10min后相互反应均匀后,投入流延机中,经过塑化挤出、流延、牵引、收卷,即得所述热塑性聚烯烃热熔胶膜。
对比例2
一种热塑性聚烯烃热熔胶膜的制备方法,包括如下步骤:
S1、将50份聚烯烃树脂、0.2份助剂按每组分所占的质量份数混合搅拌在110℃下保温2-3h,得到反应产物;
S2、在反应产物中加入3份抗老化剂、1份水解稳定剂进一步混合搅拌,剪切分散10min后相互反应均匀后,投入流延机中,经过塑化挤出、流延、牵引、收卷,即得所述热塑性聚烯烃热熔胶膜。
对实施例1-3和对比例1-2所制备的产品进行性能测试,结果见表1。
表1
本发明通过低熔点混合物采用长链脂肪二酸、中链脂肪二酸的混合物,两种二酸具有不同的链段长度,其混合反应后得到的聚酯具有不同的熔点,可以实现低熔点先熔化,体系粘度降低,热速率加快;采用长链脂肪二酸、中链脂肪二酸的混合,降低了熔点,并保持了良好的粘合剂强度和粘接强度。
上述实施方式仅为本发明的优选实施方式,不能以此来限定本发明保护的范围,本领域的技术人员在本发明的基础上所做的任何非实质性的变化及替换均属于本发明所要求保护的范围。
Claims (10)
2.根据权利要求1所述的低熔点高粘结强度热塑性聚烯烃热熔胶膜,其特征在于,所述聚烯烃树脂为聚乙烯、聚丙烯、乙烯-丙烯共聚物、乙烯-辛烯共聚物、聚丁二烯、聚降冰片烯共聚物中的一种或多种的混合物,所述聚烯烃树脂的熔融指数为35-45g/10min。
3.根据权利要求1所述的低熔点高粘结强度热塑性聚烯烃热熔胶膜,其特征在于,所述低熔点混合物包括长链脂肪二酸、中链脂肪二酸或熔点为40~50℃的热塑性聚氨酯的混合物。
4.根据权利要求3所述的低熔点高粘结强度热塑性聚烯烃热熔胶膜,其特征在于,当所述低熔点混合物包括长链脂肪二酸、中链脂肪二酸的混合物时,所述长链脂肪二酸、中链脂肪二酸的重量比为4-6:1-3。
5.根据权利要求3所述的低熔点高粘结强度热塑性聚烯烃热熔胶膜,其特征在于,所述长链脂肪二酸为十二烷二酸、十三烷二酸、十四烷二酸、十五烷二酸中的一种或几种。
6.根据权利要求3所述的低熔点高粘结强度热塑性聚烯烃热熔胶膜,其特征在于,所述中链脂肪二酸为庚二酸、辛二酸、壬二酸、癸二酸中的一种或几种。
7.根据权利要求1所述的低熔点高粘结强度热塑性聚烯烃热熔胶膜,其特征在于,所述抗老化剂为二缩三乙二醇双[β-(3-叔丁基-4-羟基-5-甲基苯基)丙酸酯]、四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯或硫代二乙撑双[3-(3,5-二叔丁基-4-羟基苯基)丙酸酯]中的一种或多种。
8.根据权利要求1所述的低熔点高粘结强度热塑性聚烯烃热熔胶膜,其特征在于,所述水解稳定剂为单碳化二亚胺或双(2,6)-二异丙基碳化亚胺中的一种或两种的混合物。
9.根据权利要求1所述的低熔点高粘结强度热塑性聚烯烃热熔胶膜,其特征在于,所述助剂包括对苯二甲酸、二聚酸、己二胺、甘油的混合物;所述对苯二甲酸、二聚酸、己二胺、甘油的重量比为5-7:2-3:1-2:1:2。
10.一种如权利要求1-9任一项所述的低熔点高粘结强度热塑性聚烯烃热熔胶膜的制备方法,其特征在于,包括如下步骤:
S1、将聚烯烃树脂、低熔点混合物、助剂按每组分所占的质量份数混合搅拌在95-105℃下保温2-3h,得到反应产物;
S2、在反应产物中加入抗老化剂、水解稳定剂进一步混合搅拌,剪切分散6-8min后相互反应均匀后,投入流延机中,经过塑化挤出、流延、牵引、收卷,即得所述低熔点高粘结强度热塑性聚烯烃热熔胶膜。
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