CN115010978A - 一种可除雾薄膜的制备方法 - Google Patents
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Abstract
本发明涉及塑料薄膜技术领域,具体为一种可除雾薄膜的制备方法,包括以下制备步骤:步骤1、混合:将聚乙烯、除雾剂、流滴剂、增粘剂、纳米碳酸钙投入反应釜,开启搅拌,超声波脱气,得到混合物;步骤2、挤出:使用真空吸料机将混合物从反应釜吸至挤出机的料筒,多层挤出;步骤3、酸蚀:将薄膜依次过盐酸池和去离子水池,烘干;步骤4、涂敷:使用干式复合机在薄膜的表面涂布防雾涂敷液。本发明粘性佳,防雾性好,采用内混除雾剂和流滴剂以及外敷防雾涂敷液,实现双重防雾,薄膜防雾期长,并通过在薄膜表面酸蚀碳酸钙留下凹坑,为防雾涂敷液提供附着点,增加防雾涂敷液与薄膜的结合力,提高薄膜强度。
Description
技术领域
本发明涉及塑料薄膜技术领域,具体为一种可除雾薄膜的制备方法。
背景技术
塑料薄膜以其轻便、价廉、防水、携带方便等优势被广泛应用于食品包装。其中,防雾性是塑料的一种重要功能。当定量封闭含水蒸汽的空气冷却至温度低于露点时,便形成雾滴,当雾滴的表面张力远远大于薄膜表层表面张力时,就会形成水珠;当雾滴的表面张力接近于薄膜表层表面张力时,就会形成少量水滴;当雾滴的表面张力完全等于薄膜表层表面张力时,就会形成一层连续的水膜,产生较大的雾度。塑料薄膜材料用于食品包装时如有成雾现象,会产生很多不利影响:1、水雾会影响薄膜的透明度,导致不能清晰地看到被包装的食品;2、影响包装的美观程度,导致销售下降;3、薄膜表面聚集的水滴会滴落到食物中,使得细菌繁殖快,容易导致食物变质甚至腐烂,急速缩短食品尤其是生鲜食品的保质期。
目前,国内外对塑料防雾性的研究重点是放在塑料防雾性能的改进或防雾剂的研究,一般采用内添加法制备防雾膜,内添加法是通过向塑料母粒中混入防滴剂或防雾剂,以吹膜或流延的方式制备出防雾膜,但低分子防滴剂或防雾剂会不断地向表面迁移,导致薄膜防雾期短。
发明内容
本发明的目的在于提供一种可除雾薄膜的制备方法,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:一种可除雾薄膜的制备方法,包括以下制备步骤:
步骤1、混合:将聚乙烯、除雾剂、流滴剂、增粘剂、纳米碳酸钙投入反应釜,开启搅拌,超声波脱气,得到混合物;
步骤2、挤出:使用真空吸料机将混合物从反应釜吸至挤出机的料筒,多层挤出,于20~30℃冷却,得到薄膜;
步骤3、酸蚀:将薄膜展开,依次过盐酸池和去离子水池,烘干;
步骤4、涂敷:使用干式复合机在薄膜的表面涂布防雾涂敷液,干燥,收卷,得到成品。
可选的,所述原料按质量百分比计包括:80%~89%聚乙烯、1%~5%除雾剂、1%~2%流滴剂、1%~3%增粘剂、8%~10%纳米碳酸钙。
可选的,所述聚乙烯为吹膜级线性低密度聚乙烯。
可选的,所述除雾剂为全氟辛基磺酸或聚甘油脂肪酸酯。
可选的,所述流滴剂为椰子油酸二乙醇酰胺或辛基酚聚氧乙烯醚。
可选的,所述增粘剂为增粘母粒PW60或低分子聚异丁烯。
可选的,步骤1中,搅拌速度为500rpm,搅拌时间为60min。
可选的,步骤2中,所述挤出机各段温度为:加料段60~70℃,熔融段190~215℃,均化段210~230℃;挤出机的挤出量为500~600kg/h;挤出机的螺杆直径为45mm,挤出机的螺杆转速为80~100rpm。
可选的,步骤3中,所述盐酸池中盐酸的浓度为8%~12%。
可选的,步骤4中,所述防雾涂敷液为丙烯酸酯类防雾涂料,防雾涂敷液的涂布厚度为0.1mm。
与现有技术相比,本发明具备以下有益效果:本发明粘性佳,防雾性好,采用内混除雾剂和流滴剂以及外敷防雾涂敷液,实现双重防雾,薄膜防雾期长,并通过在薄膜表面酸蚀碳酸钙留下凹坑,为防雾涂敷液提供附着点,增加防雾涂敷液与薄膜的结合力,提高薄膜强度。
具体实施方式
下面将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1:本发明提供了一种可除雾薄膜的制备方法,包括以下制备步骤:
步骤1、混合:按质量百分比计,将89%聚乙烯、1%除雾剂、1%流滴剂、1%增粘剂、8%纳米碳酸钙投入反应釜,开启搅拌,超声波脱气,得到混合物;
步骤2、挤出:使用真空吸料机将混合物从反应釜吸至挤出机的料筒,多层挤出,于25℃冷却,得到薄膜;
步骤3、酸蚀:将薄膜展开,依次过盐酸池和去离子水池,烘干;
步骤4、涂敷:使用干式复合机在薄膜的表面涂布防雾涂敷液,干燥,收卷,得到成品。
实施例2:本发明提供了一种可除雾薄膜的制备方法,包括以下制备步骤:
步骤1、混合:按质量百分比计,将87%聚乙烯、1%除雾剂、1%流滴剂、1%增粘剂、10%纳米碳酸钙投入反应釜,开启搅拌,超声波脱气,得到混合物;
步骤2、挤出:使用真空吸料机将混合物从反应釜吸至挤出机的料筒,多层挤出,于25℃冷却,得到薄膜;
步骤3、酸蚀:将薄膜展开,依次过盐酸池和去离子水池,烘干;
步骤4、涂敷:使用干式复合机在薄膜的表面涂布防雾涂敷液,干燥,收卷,得到成品。
实施例3:本发明提供了一种可除雾薄膜的制备方法,包括以下制备步骤:
步骤1、混合:按质量百分比计,将82%聚乙烯、5%除雾剂、2%流滴剂、3%增粘剂、8%纳米碳酸钙钙投入反应釜,开启搅拌,超声波脱气,得到混合物;
步骤2、挤出:使用真空吸料机将混合物从反应釜吸至挤出机的料筒,多层挤出,于25℃冷却,得到薄膜;
步骤3、酸蚀:将薄膜展开,依次过盐酸池和去离子水池,烘干;
步骤4、涂敷:使用干式复合机在薄膜的表面涂布防雾涂敷液,干燥,收卷,得到成品。
实施例4:本发明提供了一种可除雾薄膜的制备方法,包括以下制备步骤:
步骤1、混合:按质量百分比计,将80%聚乙烯、5%除雾剂、2%流滴剂、3%增粘剂、10%纳米碳酸钙投入反应釜,开启搅拌,超声波脱气,得到混合物;
步骤2、挤出:使用真空吸料机将混合物从反应釜吸至挤出机的料筒,多层挤出,于25℃冷却,得到薄膜;
步骤3、酸蚀:将薄膜展开,依次过盐酸池和去离子水池,烘干;
步骤4、涂敷:使用干式复合机在薄膜的表面涂布防雾涂敷液,干燥,收卷,得到成品。
其中,实施例1~4中,聚乙烯为吹膜级线性低密度聚乙烯。除雾剂为聚甘油脂肪酸酯。流滴剂为辛基酚聚氧乙烯醚。增粘剂为增粘母粒PW60,增粘母粒PW60可以从薄膜内向防雾涂敷液层析出,使得薄膜产生粘性。步骤1中,搅拌速度为500rpm,搅拌时间为60min。步骤2中,挤出机各段温度为:加料段64℃,熔融段210℃,均化段220℃;挤出机的挤出量为560kg/h;挤出机的螺杆直径为45mm,挤出机的螺杆转速为90rpm。步骤3中,盐酸池中盐酸的浓度为10%。步骤4中,防雾涂敷液为丙烯酸酯类防雾涂料,防雾涂敷液的涂布厚度为0.1mm。
本发明粘性佳,防雾性好,采用内混除雾剂和流滴剂以及外敷防雾涂敷液,实现双重防雾,薄膜防雾期长,并通过在薄膜表面酸蚀碳酸钙留下凹坑,为防雾涂敷液提供附着点,增加防雾涂敷液与薄膜的结合力,提高薄膜强度。
试验例
试验目的:对本发明制备的可除雾薄膜进行防雾性评价。
试验材料:实施例1~4制备的可除雾薄膜。
试验方法:采用实施例1~4的平张样(平张:尺寸为120mm×120mm),根据GB/T31726-2015《塑料薄膜防雾性试验方法》中冷雾法和急速热雾法进行试验。
试验结果:每组实施例进行3次试验,结果以试验总次数中频率最多的等级来表征,见表1。
表1实施例1~4基于GB/T 31726-2015标准防雾性试验结果
其中,防雾等级的结果用数字等级表示:
1表示为完全透明,无水滴。视力表的清晰程度与试验前完全一致。
2表示为透明性较好,有少量不均匀大水滴。50%以上面积视力表的清晰程度与试验前完全一致。
3表示为基本透明,有较多水滴。视力表字体发生形交。
4表示为半透明,有很多小水珠。视力表的0.1以下少量可见
5表示为完全不透明,完全看不清视力表。
由表1可知,实施例1~4制备的可除雾薄膜基于GB/T 31726-2015标准防雾性试验结果为防雾等级2,具有防雾功能。
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 (10)
1.一种可除雾薄膜的制备方法,其特征在于,包括以下制备步骤:
步骤1、混合:将聚乙烯、除雾剂、流滴剂、增粘剂、纳米碳酸钙投入反应釜,开启搅拌,超声波脱气,得到混合物;
步骤2、挤出:使用真空吸料机将混合物从反应釜吸至挤出机的料筒,多层挤出,于20~30℃冷却,得到薄膜;
步骤3、酸蚀:将薄膜展开,依次过盐酸池和去离子水池,烘干;
步骤4、涂敷:使用干式复合机在薄膜的表面涂布防雾涂敷液,干燥,收卷,得到成品。
2.根据权利要求1所述的一种可除雾薄膜的制备方法,其特征在于,所述原料按质量百分比计包括:80%~89%聚乙烯、1%~5%除雾剂、1%~2%流滴剂、1%~3%增粘剂、8%~10%纳米碳酸钙。
3.根据权利要求2所述的一种可除雾薄膜的制备方法,其特征在于,所述聚乙烯为吹膜级线性低密度聚乙烯。
4.根据权利要求2所述的一种可除雾薄膜的制备方法,其特征在于,所述除雾剂为全氟辛基磺酸或聚甘油脂肪酸酯。
5.根据权利要求2所述的一种可除雾薄膜的制备方法,其特征在于,所述流滴剂为椰子油酸二乙醇酰胺或辛基酚聚氧乙烯醚。
6.根据权利要求2所述的一种可除雾薄膜的制备方法,其特征在于,所述增粘剂为增粘母粒PW60或低分子聚异丁烯。
7.根据权利要求1所述的一种可除雾薄膜的制备方法,其特征在于,步骤1中,搅拌速度为500rpm,搅拌时间为60min。
8.根据权利要求1所述的一种可除雾薄膜的制备方法,其特征在于,步骤2中,所述挤出机各段温度为:加料段60~70℃,熔融段190~215℃,均化段210~230℃;挤出机的挤出量为500~600kg/h;挤出机的螺杆直径为45mm,挤出机的螺杆转速为80~100rpm。
9.根据权利要求1所述的一种可除雾薄膜的制备方法,其特征在于,步骤3中,所述盐酸池中盐酸的浓度为8%~12%。
10.根据权利要求1所述的一种可除雾薄膜的制备方法,其特征在于,步骤4中,所述防雾涂敷液为丙烯酸酯类防雾涂料,防雾涂敷液的涂布厚度为0.1mm。
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07233270A (ja) * | 1994-02-24 | 1995-09-05 | Kishimoto Akira | 防曇性に優れた農業用フィルム及びその製造方法 |
CN103289170A (zh) * | 2013-06-24 | 2013-09-11 | 苏州新区佳合塑胶有限公司 | 一种透明防雾塑料薄膜 |
CN103409021A (zh) * | 2013-08-27 | 2013-11-27 | 上海华明高技术(集团)有限公司 | 聚烯烃农用塑料棚膜用防雾流滴涂料及其制备方法 |
CN111303525A (zh) * | 2020-03-26 | 2020-06-19 | 江阴市德惠热收缩包装材料有限公司 | Pe防雾抗菌保鲜收缩膜及其制备方法 |
-
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- 2022-06-17 CN CN202210690178.8A patent/CN115010978A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07233270A (ja) * | 1994-02-24 | 1995-09-05 | Kishimoto Akira | 防曇性に優れた農業用フィルム及びその製造方法 |
CN103289170A (zh) * | 2013-06-24 | 2013-09-11 | 苏州新区佳合塑胶有限公司 | 一种透明防雾塑料薄膜 |
CN103409021A (zh) * | 2013-08-27 | 2013-11-27 | 上海华明高技术(集团)有限公司 | 聚烯烃农用塑料棚膜用防雾流滴涂料及其制备方法 |
CN111303525A (zh) * | 2020-03-26 | 2020-06-19 | 江阴市德惠热收缩包装材料有限公司 | Pe防雾抗菌保鲜收缩膜及其制备方法 |
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