CN112852318A - 抗压防雾膜及其制备方法 - Google Patents

抗压防雾膜及其制备方法 Download PDF

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CN112852318A
CN112852318A CN201911185981.0A CN201911185981A CN112852318A CN 112852318 A CN112852318 A CN 112852318A CN 201911185981 A CN201911185981 A CN 201911185981A CN 112852318 A CN112852318 A CN 112852318A
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江敏
罗顺桥
陈慧君
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Hunan Shangxin New Material Technology Co ltd
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    • C09J7/20Adhesives in the form of films or foils characterised by their carriers
    • C09J7/22Plastics; Metallised plastics
    • C09J7/25Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
    • C09J7/255Polyesters
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    • C09D175/04Polyurethanes
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Abstract

一种抗压防雾膜,其依次包括防雾涂层、PET膜层、低粘胶层和离型膜层,所述防雾涂层按重量份由以下原料制得:水性聚氨酯乳液30‑40份,纳米二氧化钛0.2‑0.5份,分散剂2‑3份,水10‑20份,固化剂1‑3份。该抗压防雾膜不仅可以有效防止玻璃表面遇到温差产生雾化,而且还可以净化室内周围环境空气,对于甲醛、异味及细菌均具有一定的中和及消灭功能。

Description

抗压防雾膜及其制备方法
技术领域
本发明塑料加工技术领域,特别涉及一种抗压防雾膜及其制备方法。
背景技术
在冬季或者雨季,驾驶室内或者车内热空气中的水蒸气会在冷的玻璃表面凝聚成露珠,大大降低玻璃的透光率,影响视线,给生活带来很大的不便,甚至会发生危险;尤其是在雨季的时候,车窗有雾的情况下司机无法正常驾驶,室内玻璃也存在同样的情况。雾化现象还造成资源浪费,如钢材的生锈腐蚀等。
基于纳米二氧化钛的抗压防雾膜,是一种贴在玻璃上的高分子保护膜,由于此类材料,具有优秀的防雾性及净化空气功能,它不仅可以有效防止玻璃表面遇到温差产生雾化,而且还可以净化室内周围环境空气,对于甲醛、异味及细菌均具有一定的中和和消灭功能,此外,由于此款防雾膜基材所使用的是高强度类聚酯基材,此类基材可以极大限度的减少玻璃破碎时的碎片飞散,减少玻璃的隐性伤害,以保障人身安全,鉴于上述所背景,本发明申请人开发了基于纳米二氧化钛的抗压防雾膜系列产品。
发明内容
本发明的目的在与克服现有技术的不足,提供一种抗压防雾膜及其制备方法,该抗压防雾膜。
本发明的一种抗压防雾膜,其依次包括防雾涂层、PET膜层、低粘胶层和离型膜层,所述防雾涂层混合料按重量份由以下原料制得:
水性聚氨酯乳液30-40份,纳米二氧化钛0.2-0.5份,分散剂2-3份,水10-20份,固化剂1-3份。
所述的水性聚氨酯乳液为阴离子型水性聚氨酯乳液,固含量30-40%。
所述的分散剂为羧酸类分散剂,优选聚丙烯酸分散剂。
本发明防雾涂层的制备方法如下:
(1)将纳米二氧化钛和分散剂共混均匀,加入水中;
(2)然后加入水性聚氨酯乳液和固化剂,在超声波存在的条件下共混均匀,得到防雾涂层混合料。
所述超声波的功率为20-30KW。
所述防雾涂层的厚度为5-10μm,所述PET膜层、离型膜层的厚度均为50-60μm。
本发明所述抗压防雾膜的制备方法,依次包括以下步骤:
(1)将防雾涂层混合料涂布于PET膜层上,并于90-100℃下加热5-6min;
(2)然后对涂层进行UV照射;
(3)将PET膜层的另一面低粘胶层,并覆上离型膜。
本发明的有益效果如下:本发明抗压防雾膜不仅可以有效防止玻璃表面遇到温差产生雾化,而且还可以净化室内周围环境空气,对于甲醛、异味及细菌均具有一定的中和及和消灭功能,此外,由于此款防雾膜基材所使用的是高强度类聚酯基材,此类基材可以极大限度的减少玻璃破碎时的碎片飞散,减少玻璃的隐性伤害,以保障人身安全。
具体实施方式
下面将结合实例对本发明的实施方案进行详细描述,但是本领域技术人员将会理解,下列实施例仅用于说明本发明,而不应视为限定本发明的范围。
实施例1
一种抗压防雾膜,其依次包括防雾涂层、PET膜层、低粘胶层和离型膜层,所述防雾涂层按重量份由以下原料制得:
水性聚氨酯乳液40份,纳米二氧化钛0.5份,分散剂3份,水15份,固化剂2份;
所述的水性聚氨酯乳液为阴离子型水性聚氨酯乳液,固含量40%;
所述的分散剂为聚丙烯酸分散剂;
防雾涂层的制备方法如下:
(1)将纳米二氧化钛和分散剂共混均匀,加入水中;
(2)然后加入水性聚氨酯乳液和固化剂,在超声波存在的条件下共混均匀,得到防雾涂层混合料;所述超声波的功率为30KW;
所述防雾涂层的厚度为7-10μm,所述PET膜层、离型膜层的厚度均为50-60μm;
所述抗压防雾膜的制备方法,依次包括以下步骤:
(1)将防雾涂层混合料涂布于PET膜层上,并于95-100℃下加热1-2min;
(2)然后对涂层进行UV照射固化;
(3)将PET膜层的另一面低粘胶层,并覆上离型膜。
实施例2
一种抗压防雾膜,其依次包括防雾涂层、PET膜层、低粘胶层和离型膜层,所述防雾涂层按重量份由以下原料制得:
水性聚氨酯乳液40份,纳米二氧化钛0.4份,分散剂2份,水15份,固化剂3份;
所述的水性聚氨酯乳液为阴离子型水性聚氨酯乳液,固含量40%;
所述的分散剂为聚丙烯酸分散剂;
防雾涂层的制备方法如下:
(1)将纳米二氧化钛和分散剂共混均匀,加入水中;
(2)然后加入水性聚氨酯乳液和固化剂,在超声波存在的条件下共混均匀,得到防雾涂层混合料;所述超声波的功率为30KW;
所述防雾涂层的厚度为7-10μm,所述PET膜层、离型膜层的厚度均为50-60μm;
所述抗压防雾膜的制备方法,依次包括以下步骤:
(1)将防雾涂层混合料涂布于PET膜层上,并于95-100℃下加热1-2min;
(2)然后对涂层进行UV照射固化;
(3)将PET膜层的另一面低粘胶层,并覆上离型膜。
本发明实施例1抗压防雾膜能够达到的指标如下:
1)剥离力:≥600~900gf/25mm;
2)厚度:70±2um;
3)透光率:≥90%;
4)雾度:≤1.0;
5)水滴角:≤15°且液面快速均匀摊开,经与70℃以上的水蒸气接触5S再分离(往返10次);
6)耐磨性≥100次(0000#钢丝绒+1KG砝码);
7)气味:无;
8)空气净化相关指数经广东省微生物分析检测中心测试如下:
甲醛去除率:95.4%;
大肠杆菌杀菌率:12.81%;
金黄色葡萄球菌杀菌率:11.87%;
白色念珠球菌杀菌率:17.97%;
铜绿假单胞菌杀菌率:13.37%。

Claims (7)

1.一种抗压防雾膜,其特征在于,其依次包括防雾涂层、PET膜层、低粘胶层和离型膜层,所述防雾涂层混合料按重量份由以下原料制得:水性聚氨酯乳液30-40份,纳米二氧化钛0.2-0.5份,分散剂2-3份,水10-20份,固化剂1-3份。
2.如权利要求1所述的抗压防雾膜,其特征在于,所述的水性聚氨酯乳液为阴离子型水性聚氨酯乳液,固含量30-40%。
3.如权利要求1所述的抗压防雾膜,其特征在于,所述的分散剂为羧酸类分散剂。
4.如权利要求1所述的抗压防雾膜,其特征在于,所述的分散剂为聚丙烯酸分散剂。
5.如权利要求1所述的抗压防雾膜,其特征在于,所述防雾涂层的制备方法如下:
(1)将纳米二氧化钛和分散剂共混均匀,加入水中;
(2)然后加入水性聚氨酯乳液和固化剂,在超声波存在的条件下共混均匀,得到防雾涂层混合料。
6.如权利要求5所述的抗压防雾膜,其特征在于,所述超声波的功率为20-30KW。
7.如权利要求1所述抗压防雾膜的制备方法,其特征在于,包括以下步骤:
(1)将防雾涂层混合料涂布于PET膜层上,并于90-100℃下加热5-6min;
(2)然后对涂层进行UV照射固化;
(3)将 PET膜层的另一面低粘胶层,并覆上离型膜。
CN201911185981.0A 2019-11-27 2019-11-27 抗压防雾膜及其制备方法 Pending CN112852318A (zh)

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