CN108341983B - 一种具有开孔结构发泡涂层的复合薄膜及其制备方法 - Google Patents
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Abstract
本发明公开了一种具有开孔结构发泡涂层的复合薄膜及其制备方法。该制备方法包括如下步骤:将发泡涂层液涂覆在基膜上,经干燥、预热后,进行热发泡;热发泡结束后,冷却至室温,定型、收卷,得到所述具有开孔结构发泡涂层的复合薄膜。本发明的复合薄膜由基膜和发泡涂层组成,发泡涂层中具有开孔结构,具有开孔结构的发泡涂层进一步增大了薄膜表面的比表面积,进一步提升吸附吸收的有效接触面积,从而提升薄膜吸附吸收的速度和效率,在相同条件下,对甲醛以及VOC的吸附吸收效率提升200%以上。
Description
技术领域
本发明涉及涂覆用发泡涂层的应用领域,具体涉及采用涂覆用发泡涂层制备的具有开孔结构的复合薄膜及其制备方法。
背景技术
涂覆用涂层的技术应用范围很广,特别是在一些功能性的涂覆复合薄膜的领域,使复合后的薄膜即具备原有薄膜的性能,又可以获得涂覆层的其他原有薄膜所不具备的特殊功能。涂覆复合技术作为一个高效、低成本的技术,在获取综合性能更优异、更突出的功能性薄膜领域的应用非常广泛,使用此技术制备的各类功能性薄膜可以广泛使用于特殊包装、封装等领域。
发泡技术作为一种成熟和稳定的技术被广泛应用于各种缓冲材料、海绵制品、保温隔热材料等领域。发泡材料可以根据不同的使用领域和应用要求制备成闭孔或开孔结构的泡沫体,其中缓冲材料和保温隔热材料均需要发泡材料的泡孔为闭孔结构;而海绵制品多为大孔径的开孔结构,其技术是通过提高孔径来实现开孔结构。
众所周知,在水性体系中稳定的泡沫,一般可以通过添加表面张力小的物质来刺破泡孔壁而达到消除泡沫;同理,在表面张力小的油性体系中形成的泡沫则可以通过添加表面张力大的物质来进行刺破泡孔壁。因此,应用此原理来控制和调节涂层发泡材料形成开孔结构的泡孔,从而制备出具有开孔结构的发泡涂层涂覆的复合薄膜。
发明内容
本发明的目的在于针对现有技术的不足,提供了一种具有开孔结构发泡涂层的复合薄膜。该复合薄膜具有吸附吸收特定气体或成分的功能,包括吸附吸收甲醛或有机挥发份(VOC)等有害成分;复合薄膜由基膜和发泡涂层组成,发泡涂层中具有开孔结构,具有开孔结构的发泡涂层进一步增大了薄膜表面的比表面积,进一步提升吸附吸收的有效接触面积,从而提升薄膜吸附吸收的速度和效率。
本发明的目的还在于提供制备所述的一种具有开孔结构发泡涂层的复合薄膜的方法。该制备方法与海绵制备的随机成孔性不同,是通过开孔调节剂来实现可控的开孔技术,具体将发泡涂层液涂覆在基膜上,经干燥、预热、热发泡后,冷却至室温,得到具有开孔结构发泡涂层的复合薄膜。
本发明的目的通过如下技术方案实现。
一种具有开孔结构发泡涂层的复合薄膜的制备方法,包括如下步骤:
将发泡涂层液涂覆在基膜上,经干燥、预热后,进行热发泡;热发泡结束后,冷却至室温,定型、收卷,得到所述具有开孔结构发泡涂层的复合薄膜。
优选的,所述基膜为能耐100℃以上温度的塑料薄膜,包括流延聚丙烯薄膜(CPP)、聚丙烯吹塑薄膜(OPP)、双向拉伸聚丙烯薄膜(BOPP)或双向拉伸聚酯薄膜(BOPET)。
优选的,所述基膜的厚度为20-60μm,且基膜的表面在使用前经过电晕处理。
优选的,所述发泡涂层液按重量份数计,包括如下原料组分:
进一步优选的,所述成膜树脂为具有较好附着力的成膜树脂,包括醇酸树脂、丙烯酸树脂、丙烯酯树脂和聚氨酯树脂中的一种。
进一步优选的,所述发泡剂为发泡温度较低的无机发泡剂,包括碳酸氢钠。
进一步优选的,所述泡沫开孔调节剂为亲水亲油平衡值(HLB值)≥15的非离子表面活性剂,具体包括聚氧乙烯(20EO)油醇醚、聚氧乙烯(16EO)羊毛醇醚、聚氧乙烯(25EO)羊毛醇醚、聚氧乙烯(20EO)失水山梨醇单油酸酯、聚氧乙烯单油酸酯、聚乙二醇单棕榈酸酯、聚氧乙烯十六烷基醇、聚氧乙烯单硬脂酸酯、聚氧乙烯单月桂酸酯和聚氧乙烯(20EO)失水山梨醇单月桂酸酯中的一种。
进一步优选的,所述泡沫成核剂包括平均粒径≤3μm的气相二氧化硅。
进一步优选的,所述气体吸附吸收活性组分包括吸附用分子筛、活性炭或甲醛捕捉剂。
优选的,所述发泡涂层的涂覆厚度为3-10μm。
优选的,所述干燥为6区分段控温干燥,温度为:50/60/70/80/80/60℃。
优选的,所述预热是预热至温度为80-120。
优选的,所述热发泡是在温度110-150℃下进行发泡。
由上述任一项所述的制备方法制备的一种具有开孔结构发泡涂层的复合薄膜。
与现有技术相比,本发明具有如下优点和有益效果:
(1)本发明的制备方法与海绵制备的随机成孔性不同,是通过开孔调节剂来实现可控的开孔技术,简单有效地在薄膜表面形成开孔结构的泡孔,制备得到具有开孔结构发泡涂层的复合薄膜,工艺操作简单,有利于实现大规模工业化生产;
(2)本发明的复合薄膜由基膜和发泡涂层组成,发泡涂层中具有开孔结构,具有开孔结构的发泡涂层进一步增大了薄膜表面的比表面积,进一步提升吸附吸收的有效接触面积,从而提升薄膜吸附吸收的速度和效率;
(3)本发明的复合薄膜在相同条件下,对甲醛以及VOC的吸附吸收效率提升200%以上。
附图说明
图1为具体实施例中制备本发明具有开孔结构发泡涂层复合薄膜采用的装置示意图。
具体实施方式
以下结合具体实施例及附图对本发明技术方案作进一步具体详细的描述,但本发明的实施方式和保护范围不限于此。
具体实施例中,制备本发明具有开孔结构发泡涂层复合薄膜采用的装置示意图如图1所示,包括基膜放卷辊1-1、涂覆头1-2、干燥通道1-3、发泡预热辊1-4、发泡辊1-5、冷却辊1-6、冷却定型辊1-7和收卷辊1-8。
采用图1所示的装置制备本发明具有开孔结构发泡涂层的复合薄膜的工艺流程,包括如下步骤:
基膜在基膜放卷辊1-1放卷后,经过涂覆头1-2并通过涂覆头1-2将发泡涂层液涂覆在基膜上,然后依次进入干燥通道1-3、发泡预热辊1-4进行干燥成膜、预热后,再经过发泡辊1-5进行热发泡;发泡完成后,依次经冷却辊1-6、冷却定型辊1-7进行冷却定型,最后由收卷辊1-8收卷,得到具有开孔结构发泡涂层的复合薄膜。
实施例1
采用图1所示的装置制备具有开孔结构发泡涂层的复合薄膜,具体步骤如下:
(1)将经过电晕处理的双向拉伸聚丙烯薄膜(BOPP,厚度为20μm)在基膜放卷辊1-1放卷后,经过涂覆头1-2并通过涂覆头1-2将发泡涂层液涂覆在基膜上,涂覆的厚度为3μm;
其中,发泡涂层液按重量份数计,包括如下组分:
(2)然后进入干燥通道1-3,通过6区分段控温50/60/70/80/80/60℃干燥,再进入发泡预热辊1-4预热至80℃后,再进入发泡辊1-5于110℃进行热发泡;
(3)热发泡完成后,经冷却辊1-6冷至25℃,再于冷却定型辊1-7进行冷却定型,最后由收卷辊1-8收卷,得到具有开孔结构发泡涂层的复合薄膜。
制备得到的具有开孔结构发泡涂层的复合薄膜中,形成的开孔结构发泡涂层的厚度为1μm。
制备的具有开孔结构发泡涂层的复合薄膜在常温(25℃)下,24小时对VOC(0.3mg/m3)的吸附吸收率为69.3%;而相同条件下,不经涂覆和发泡的BOPP薄膜对VOC(0.3mg/m3)的吸附吸收率仅为0.1%;试验中使用的薄膜均为3m2。
实施例2
采用图1所示的装置制备具有开孔结构发泡涂层的复合薄膜,具体步骤如下:
(1)将经过电晕处理的双向拉伸聚酯薄膜(BOPET,厚度为60μm)在基膜放卷辊1-1放卷后,经过涂覆头1-2并通过涂覆头1-2将发泡涂层液涂覆在基膜上,涂覆的厚度为10μm;
其中,发泡涂层液按重量份数计,包括如下组分:
(2)然后进入干燥通道1-3,通过6区分段控温50/60/70/80/80/60℃干燥,再进入发泡预热辊1-4预热至120℃后,再进入发泡辊1-5于150℃进行热发泡;
(3)热发泡完成后,经冷却辊1-6冷至25℃,再于冷却定型辊1-7进行冷却定型,最后由收卷辊1-8收卷,得到具有开孔结构发泡涂层的复合薄膜。
制备得到的具有开孔结构发泡涂层的复合薄膜中,形成的开孔结构发泡涂层的厚度为9μm。
制备的具有开孔结构发泡涂层的复合薄膜在常温(25℃)下,24小时对甲醛(1.0mg/m3)的吸附吸收率为98.6%;而相同条件下,不经涂覆和发泡的BOPET薄膜对甲醛(1.0mg/m3)的吸附吸收率为0%;试验中使用的薄膜均为3m2。
实施例3
采用图1所示的装置制备具有开孔结构发泡涂层的复合薄膜,具体步骤如下:
(1)将经过电晕处理的流延聚丙烯薄膜(CPP,厚度为30μm)在基膜放卷辊1-1放卷后,经过涂覆头1-2并通过涂覆头1-2将发泡涂层液涂覆在基膜上,涂覆的厚度为5μm;
其中,发泡涂层液按重量份数计,包括如下组分:
(2)然后进入干燥通道1-3,通过6区分段控温50/60/70/80/80/60℃干燥,再进入发泡预热辊1-4预热至100℃后,再进入发泡辊1-5于135℃进行热发泡;
(3)热发泡完成后,经冷却辊1-6冷至25℃,再于冷却定型辊1-7进行冷却定型,最后由收卷辊1-8收卷,得到具有开孔结构发泡涂层的复合薄膜。
制备得到的具有开孔结构发泡涂层的复合薄膜中,形成的开孔结构发泡涂层的厚度为3μm。
制备的具有开孔结构发泡涂层的复合薄膜在常温(25℃)下,24小时对VOC(0.5mg/m3)的吸附吸收率为85.2%;而相同条件下,不经涂覆和发泡的BOPET薄膜对VOC(0.5mg/m3)的吸附吸收率仅为1.5%;试验中使用的薄膜均为3m2。
上述实施例为本发明较佳的实施方式,但本发明的实施方式并不受上述实施例的限制,其它的任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化,均应为等效的置换方式,都包含在本发明的保护范围之内。
Claims (9)
1.一种具有开孔结构发泡涂层的复合薄膜的制备方法,其特征在于,包括如下步骤:
将发泡涂层液涂覆在基膜上,经干燥、预热后,进行热发泡;热发泡结束后,冷却至室温,定型、收卷,得到所述具有开孔结构发泡涂层的复合薄膜;
所述发泡涂层液包括如下原料组分:
成膜树脂、发泡剂、泡沫开孔调节剂 、泡沫成核剂和气体吸附吸收活性组分;
所述发泡涂层液按重量份数计,包括如下原料组分:
成膜树脂 100份;
发泡剂 1-3份;
泡沫开孔调节剂 0.1-0.5份;
泡沫成核剂 0.5-1.0份
气体吸附吸收活性组分 3-10份。
2.根据权利要求1所述的制备方法,其特征在于,所述基膜为能耐100℃以上温度的塑料薄膜,包括流延聚丙烯薄膜、聚丙烯吹塑薄膜、双向拉伸聚丙烯薄膜或双向拉伸聚酯薄膜中的一种;所述基膜的厚度为20-60μm,且基膜的表面在使用前经过电晕处理。
3.根据权利要求2所述的制备方法,其特征在于,所述成膜树脂为具有较好附着力的成膜树脂,包括醇酸树脂、丙烯酸树脂、丙烯酯树脂和聚氨酯树脂中的一种;所述发泡剂为发泡温度较低的无机发泡剂,包括碳酸氢钠。
4.根据权利要求2所述的制备方法,其特征在于,所述泡沫开孔调节剂为亲水亲油平衡值≥15的非离子表面活性剂,具体包括聚氧乙烯(20EO)油醇醚、聚氧乙烯(16EO)羊毛醇醚、聚氧乙烯(25EO)羊毛醇醚、聚氧乙烯(20EO)失水山梨醇单油酸酯、聚氧乙烯单油酸酯、聚乙二醇单棕榈酸酯、聚氧乙烯十六烷基醇、聚氧乙烯单硬脂酸酯、聚氧乙烯单月桂酸酯和聚氧乙烯(20EO)失水山梨醇单月桂酸酯中的一种。
5.根据权利要求2所述的制备方法,其特征在于,所述泡沫成核剂包括平均粒径≤3µm的气相二氧化硅;所述气体吸附吸收活性组分包括吸附用分子筛、活性炭或甲醛捕捉剂。
6.根据权利要求1所述的制备方法,其特征在于,所述发泡涂层的涂覆厚度为3-10μm。
7.根据权利要求1所述的制备方法,其特征在于,所述干燥为6区分段控温干燥,温度为:50 /60/70/ 80/80/60℃。
8.根据权利要求1所述的制备方法,其特征在于,所述预热是预热至温度为80-120℃;所述热发泡是在温度110-150 ℃下进行发泡。
9.由权利要求1~8任一项所述的制备方法制备的一种具有开孔结构发泡涂层的复合薄膜。
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1762699A (zh) * | 2004-10-12 | 2006-04-26 | 拜尔材料科学股份公司 | 塑料的可成形的复合薄膜和用柔软手感涂层涂布的塑料的复合元件及其生产方法 |
US20060090650A1 (en) * | 2004-11-01 | 2006-05-04 | Keiichi Yamakawa | Membrane, method of making same and heat exchanger furnished with said membrane |
CN102643510A (zh) * | 2012-04-16 | 2012-08-22 | 中国林业科学研究院亚热带林业研究所 | 一种炭酚醛泡沫复合材料及其制备方法 |
CN104701478A (zh) * | 2015-03-02 | 2015-06-10 | 常州大学 | 一种含有机/无机复合交联涂层的聚乙烯微孔隔膜及其制备方法 |
CN104701479A (zh) * | 2015-03-02 | 2015-06-10 | 常州大学 | 一种含有机/无机复合交联涂层的聚丙烯微孔隔膜及其制备方法 |
CN206197147U (zh) * | 2013-11-25 | 2017-05-31 | 安塞尔有限公司 | 具有抓握特征部的支撑手套 |
CN107602801A (zh) * | 2017-09-07 | 2018-01-19 | 合肥安利聚氨酯新材料有限公司 | 一种无溶剂聚氨酯浆料及其制备方法与其在耐水解5‑7年的真空吸纹合成革中的应用 |
-
2018
- 2018-02-12 CN CN201810147910.0A patent/CN108341983B/zh not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1762699A (zh) * | 2004-10-12 | 2006-04-26 | 拜尔材料科学股份公司 | 塑料的可成形的复合薄膜和用柔软手感涂层涂布的塑料的复合元件及其生产方法 |
US20060090650A1 (en) * | 2004-11-01 | 2006-05-04 | Keiichi Yamakawa | Membrane, method of making same and heat exchanger furnished with said membrane |
CN102643510A (zh) * | 2012-04-16 | 2012-08-22 | 中国林业科学研究院亚热带林业研究所 | 一种炭酚醛泡沫复合材料及其制备方法 |
CN206197147U (zh) * | 2013-11-25 | 2017-05-31 | 安塞尔有限公司 | 具有抓握特征部的支撑手套 |
CN104701478A (zh) * | 2015-03-02 | 2015-06-10 | 常州大学 | 一种含有机/无机复合交联涂层的聚乙烯微孔隔膜及其制备方法 |
CN104701479A (zh) * | 2015-03-02 | 2015-06-10 | 常州大学 | 一种含有机/无机复合交联涂层的聚丙烯微孔隔膜及其制备方法 |
CN107602801A (zh) * | 2017-09-07 | 2018-01-19 | 合肥安利聚氨酯新材料有限公司 | 一种无溶剂聚氨酯浆料及其制备方法与其在耐水解5‑7年的真空吸纹合成革中的应用 |
Non-Patent Citations (1)
Title |
---|
"丁腈橡胶发泡涂料制备工艺的优化";邱祖民等;《南昌大学学报》;20140315;第36卷(第1期);第11-15页 * |
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