CN111410925A - 一种无硅型pet离型膜的制备方法 - Google Patents
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Abstract
本发明涉及离型膜技术领域,具体的说是一种无硅型PET离型膜的制备方法;一种无硅型PET离型膜,包括PET膜,其特征在于,所述PET膜的两面都涂有离型剂。本发明制备的无硅PET离型膜具有非常好的韧性、耐药物性、耐热性以及高透明性,其非常适用于各类加工使用,此外,该无硅PET离型膜不含有硅的同时,其防粘效果好,性能稳定,同时其具有耐高温性能好的特点。
Description
技术领域
本发明属于离型膜技术领域,具体涉及一种无硅型PET离型膜的制备方法。
背景技术
离型膜是指在可涂布的塑料、天然材料等基材表面进行喷涂离型剂而使该材料具有分离特性的薄膜,普通的离型膜主要包括被喷涂的基材和离型剂,而离型剂就是主要防止粘效果的关键原料;现如今,大多数使用的隔离膜都是采用喷涂硅油类物质,其会促使隔离膜中的硅油移动,影响产品质量,此外由于隔离剂的耐高温性能较差,常常会影响离型膜的粘性变化,其粘性不稳定等问题。
针对上述存在的问题,本发明研发了一种无硅型PET离型膜能够很好的解决上面提到的问题。
发明内容
为了达到背景技术中的目的,本发明提出的一种无硅型PET离型膜的制备方法;
本发明通过如下的技术方案实现的
一种无硅型PET离型膜,包括PET膜,所述PET膜的两面都涂有离型剂。
进一步地,所述的PET膜为:将质量份数为100-120份的改性PET、4-6份的增强剂、5-8份的增韧剂、1-3份的硬脂酸、1-2份的十二酸钠加入混料机中进行混合均匀后,将其加入双螺杆造粒剂出机中进行造粒挤出,得到PET粒子,然后将其加入模压机中进行模压成型,得到膜厚度为40-100微米的膜,该膜就是PET膜。
进一步地,所述的离型剂为:将质量份数为10-15份的硬脂酸、20-25份的辛烷、15-20份的庚烷、50-60份的聚乙烯醇、4-8份的甘油、100-200份的丙酮、1-2份的MDI、0.1-0.3份的有机锡催化剂加入混合机中进行混合均匀后得到的物质,该物质就是离型剂。
进一步地,一种无硅型PET离型膜的制备方法为:将制备的PET膜进行电晕处理,处理完全后,在140-160℃条件下,将离型剂用高压喷射器将其均匀的喷布于PET膜的表面,其厚度控制在1-3微米,进行干燥20-50秒后,得到的膜就是无硅型PET离型膜。
进一步地,所述的改性PET为:将质量份数为80-100份的PET粉末、10-20份的环糊精、2-4份的MDI、5-10份的聚乙烯醇加入双螺杆挤出机中进行热熔融改性,得到的物质就是改性PET。
进一步地,所述的泥增强剂为:将质量份数为20-30份的聚苯乙烯、10-15份的ABS、6-10份的聚酰亚胺、5-8份的聚丁氰加入混料机中进行混合均匀后得到的物质,该物质就是增强剂。
进一步地,所述的增韧剂为:将质量份数为30-40份的聚甲基丙烯酸甲酯、20-25份的聚甲基丙烯酸丁酯、10-16份的聚丙烯酸羟乙酯、5-10份的高胶粉加入混料机中进行混合,混合均匀后得到的物质,该物质就是增韧剂。
有益效益
本发明制备的无硅PET离型膜具有非常好的韧性、耐药物性、耐热性以及高透明性,其非常适用于各类加工使用,此外,该无硅PET离型膜不含有硅的同时,其防粘效果好,性能稳定,同时其具有耐高温性能好的特点。
具体实施方式
为了使本发明的目的、技术方案和有益效果更加清楚,下面将结合实验数据,对本发明的优选实施例进行详细的说明,以方便技术人员理解。
实施例1
一种无硅型PET离型膜,包括PET膜,所述PET膜的两面都涂有离型剂。
进一步地,所述的PET膜为:将质量份数为110份的改性PET、4份的增强剂、6份的增韧剂、3份的硬脂酸、2份的十二酸钠加入混料机中进行混合均匀后,将其加入双螺杆造粒剂出机中进行造粒挤出,得到PET粒子,然后将其加入模压机中进行模压成型,得到膜厚度为100微米的膜,该膜就是PET膜。
进一步地,所述的离型剂为:将质量份数为12份的硬脂酸、25份的辛烷、18份的庚烷、60份的聚乙烯醇、5份的甘油、200份的丙酮、2份的MDI、0.3份的有机锡催化剂加入混合机中进行混合均匀后得到的物质,该物质就是离型剂。
进一步地,一种无硅型PET离型膜的制备方法为:将制备的PET膜进行电晕处理,处理完全后,在150℃条件下,将离型剂用高压喷射器将其均匀的喷布于PET膜的表面,其厚度控制在3微米,进行干燥40秒后,得到的膜就是无硅型PET离型膜。
进一步地,所述的改性PET为:将质量份数为90份的PET粉末、20份的环糊精、3份的MDI、10份的聚乙烯醇加入双螺杆挤出机中进行热熔融改性,得到的物质就是改性PET。
进一步地,所述的泥增强剂为:将质量份数为25份的聚苯乙烯、15份的ABS、8份的聚酰亚胺、8份的聚丁氰加入混料机中进行混合均匀后得到的物质,该物质就是增强剂。
进一步地,所述的增韧剂为:将质量份数为35份的聚甲基丙烯酸甲酯、20份的聚甲基丙烯酸丁酯、15份的聚丙烯酸羟乙酯、10份的高胶粉加入混料机中进行混合,混合均匀后得到的物质,该物质就是增韧剂。
实施例2
一种无硅型PET离型膜,包括PET膜,所述PET膜的两面都涂有离型剂。
进一步地,所述的PET膜为:将质量份数为120份的改性PET、5份的增强剂、5份的增韧剂、2份的硬脂酸、1份的十二酸钠加入混料机中进行混合均匀后,将其加入双螺杆造粒剂出机中进行造粒挤出,得到PET粒子,然后将其加入模压机中进行模压成型,得到膜厚度为60微米的膜,该膜就是PET膜。
进一步地,所述的离型剂为:将质量份数为15份的硬脂酸、24份的辛烷、15份的庚烷、55份的聚乙烯醇、8份的甘油、150份的丙酮、2份的MDI、0.2份的有机锡催化剂加入混合机中进行混合均匀后得到的物质,该物质就是离型剂。
进一步地,一种无硅型PET离型膜的制备方法为:将制备的PET膜进行电晕处理,处理完全后,在160℃条件下,将离型剂用高压喷射器将其均匀的喷布于PET膜的表面,其厚度控制在2微米,进行干燥20秒后,得到的膜就是无硅型PET离型膜。
进一步地,所述的改性PET为:将质量份数为100份的PET粉末、15份的环糊精、2份的MDI、8份的聚乙烯醇加入双螺杆挤出机中进行热熔融改性,得到的物质就是改性PET。
进一步地,所述的泥增强剂为:将质量份数为20份的聚苯乙烯、12份的ABS、8份的聚酰亚胺、5份的聚丁氰加入混料机中进行混合均匀后得到的物质,该物质就是增强剂。
进一步地,所述的增韧剂为:将质量份数为40份的聚甲基丙烯酸甲酯、24份的聚甲基丙烯酸丁酯、16份的聚丙烯酸羟乙酯、8份的高胶粉加入混料机中进行混合,混合均匀后得到的物质,该物质就是增韧剂。
实施例3
一种无硅型PET离型膜,包括PET膜,所述PET膜的两面都涂有离型剂。
进一步地,所述的PET膜为:将质量份数为100份的改性PET、4份的增强剂、5份的增韧剂、1份的硬脂酸、1份的十二酸钠加入混料机中进行混合均匀后,将其加入双螺杆造粒剂出机中进行造粒挤出,得到PET粒子,然后将其加入模压机中进行模压成型,得到膜厚度为40微米的膜,该膜就是PET膜。
进一步地,所述的离型剂为:将质量份数为10份的硬脂酸、20份的辛烷、15份的庚烷、50份的聚乙烯醇、4份的甘油、100份的丙酮、1份的MDI、0.1份的有机锡催化剂加入混合机中进行混合均匀后得到的物质,该物质就是离型剂。
进一步地,一种无硅型PET离型膜的制备方法为:将制备的PET膜进行电晕处理,处理完全后,在140℃条件下,将离型剂用高压喷射器将其均匀的喷布于PET膜的表面,其厚度控制在1微米,进行干燥20秒后,得到的膜就是无硅型PET离型膜。
进一步地,所述的改性PET为:将质量份数为80份的PET粉末、10份的环糊精、2份的MDI、5份的聚乙烯醇加入双螺杆挤出机中进行热熔融改性,得到的物质就是改性PET。
进一步地,所述的泥增强剂为:将质量份数为20份的聚苯乙烯、10份的ABS、6份的聚酰亚胺、5份的聚丁氰加入混料机中进行混合均匀后得到的物质,该物质就是增强剂。
进一步地,所述的增韧剂为:将质量份数为30份的聚甲基丙烯酸甲酯、20份的聚甲基丙烯酸丁酯、10份的聚丙烯酸羟乙酯、5份的高胶粉加入混料机中进行混合,混合均匀后得到的物质,该物质就是增韧剂。
实施例4
一种无硅型PET离型膜,包括PET膜,所述PET膜的两面都涂有离型剂。
进一步地,所述的PET膜为:将质量份数为120份的改性PET、6份的增强剂、8份的增韧剂、3份的硬脂酸、2份的十二酸钠加入混料机中进行混合均匀后,将其加入双螺杆造粒剂出机中进行造粒挤出,得到PET粒子,然后将其加入模压机中进行模压成型,得到膜厚度为100微米的膜,该膜就是PET膜。
进一步地,所述的离型剂为:将质量份数为15份的硬脂酸、25份的辛烷、20份的庚烷、60份的聚乙烯醇、8份的甘油、200份的丙酮、2份的MDI、0.3份的有机锡催化剂加入混合机中进行混合均匀后得到的物质,该物质就是离型剂。
进一步地,一种无硅型PET离型膜的制备方法为:将制备的PET膜进行电晕处理,处理完全后,在160℃条件下,将离型剂用高压喷射器将其均匀的喷布于PET膜的表面,其厚度控制在3微米,进行干燥50秒后,得到的膜就是无硅型PET离型膜。
进一步地,所述的改性PET为:将质量份数为100份的PET粉末、20份的环糊精、4份的MDI、10份的聚乙烯醇加入双螺杆挤出机中进行热熔融改性,得到的物质就是改性PET。
进一步地,所述的泥增强剂为:将质量份数为30份的聚苯乙烯、15份的ABS、10份的聚酰亚胺、8份的聚丁氰加入混料机中进行混合均匀后得到的物质,该物质就是增强剂。
进一步地,所述的增韧剂为:将质量份数为40份的聚甲基丙烯酸甲酯、25份的聚甲基丙烯酸丁酯、16份的聚丙烯酸羟乙酯、10份的高胶粉加入混料机中进行混合,混合均匀后得到的物质,该物质就是增韧剂。
实验分析:
1、无硅型PET离型膜离型力大小测试
将实施例1-4 制备的无硅型PET离型膜进行离型力检测,其检测结果如下表所示:
项目 | 实施例1 | 实施例2 | 实施例3 | 实施例4 |
离型力(g/mm) | 8 | 9 | 7 | 9 |
从上表可以看出,实施例1-4制备的无硅型PET离型膜,其粘接能力较小,防粘能力较强。
2、无硅型PET离型膜力学性能测试
将实施例1-4 制备的无硅型PET离型膜进行力学性能检测,其检测结果如下表所示:
项目 | 实施例1 | 实施例2 | 实施例3 | 实施例4 |
拉伸强度(MPa) | 365 | 364 | 367 | 365 |
韧性(%) | 184 | 183 | 185 | 185 |
从上表可以看出,施例1-4 制备无硅型PET离型膜其强度较高,韧性较强。
最后说明的是,以上优选实施例仅用于说明本发明的技术方案而非限制,尽管通过上述优选实施例已经对本发明进行了详细的描述,但本领域技术人员应当理解,可以在形式上和细节上对其作出各种各样的改变,而不偏离本发明权利要求书所限定的。
Claims (7)
1.一种无硅型PET离型膜,包括PET膜,其特征在于,所述PET膜的两面都涂有离型剂。
2.根据权利要求1所述的一种无硅型PET离型膜,其特征在于,所述的PET膜为:将质量份数为100-120份的改性PET、4-6份的增强剂、5-8份的增韧剂、1-3份的硬脂酸、1-2份的十二酸钠加入混料机中进行混合均匀后,将其加入双螺杆造粒剂出机中进行造粒挤出,得到PET粒子,然后将其加入模压机中进行模压成型,得到膜厚度为40-100微米的膜,该膜就是PET膜。
3.根据权利要求1所述的一种无硅型PET离型膜,其特征在于,所述的离型剂为:将质量份数为10-15份的硬脂酸、20-25份的辛烷、15-20份的庚烷、50-60份的聚乙烯醇、4-8份的甘油、100-200份的丙酮、1-2份的MDI、0.1-0.3份的有机锡催化剂加入混合机中进行混合均匀后得到的物质,该物质就是离型剂。
4.一种无硅型PET离型膜的制备方法,其特征在于,所述的制备方法为:将制备的PET膜进行电晕处理,处理完全后,在140-160℃条件下,将离型剂用高压喷射器将其均匀的喷布于PET膜的表面,其厚度控制在1-3微米,进行干燥20-50秒后,得到的膜就是无硅型PET离型膜。
5.根据权利要求2所述的一种无硅型PET离型膜,其特征在于,所述的改性PET为:将质量份数为80-100份的PET粉末、10-20份的环糊精、2-4份的MDI、5-10份的聚乙烯醇加入双螺杆挤出机中进行热熔融改性,得到的物质就是改性PET。
6.根据权利要求2所述的一种无硅型PET离型膜,其特征在于,所述的泥增强剂为:将质量份数为20-30份的聚苯乙烯、10-15份的ABS、6-10份的聚酰亚胺、5-8份的聚丁氰加入混料机中进行混合均匀后得到的物质,该物质就是增强剂。
7.根据权利要求1所述的一种无硅型PET离型膜的制备方法,其特征在于,所述的增韧剂为:将质量份数为30-40份的聚甲基丙烯酸甲酯、20-25份的聚甲基丙烯酸丁酯、10-16份的聚丙烯酸羟乙酯、5-10份的高胶粉加入混料机中进行混合,混合均匀后得到的物质,该物质就是增韧剂。
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