CN112606500A - 一种易粘接型建筑装饰膜 - Google Patents

一种易粘接型建筑装饰膜 Download PDF

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CN112606500A
CN112606500A CN201911391887.0A CN201911391887A CN112606500A CN 112606500 A CN112606500 A CN 112606500A CN 201911391887 A CN201911391887 A CN 201911391887A CN 112606500 A CN112606500 A CN 112606500A
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polyvinylidene fluoride
polymethyl methacrylate
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谢晓忆
朱圣才
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Wuhan Gaozheng New Material Technology Co ltd
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    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
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    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08L27/16—Homopolymers or copolymers or vinylidene fluoride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/10—Homopolymers or copolymers of methacrylic acid esters
    • C08L33/12—Homopolymers or copolymers of methyl methacrylate
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/002—Coverings or linings, e.g. for walls or ceilings made of webs, e.g. of fabrics, or wallpaper, used as coverings or linings
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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Abstract

本发明公开了一种易粘接型建筑装饰膜，包括外层和复合层，所述外层按照各成分含量计，包括聚偏氟乙烯70％‑90％、聚甲基丙烯酸甲酯5％‑25％、抗冲改性剂5％‑25％和紫外吸收剂0.1％‑0.5％，所述复合层按照各成分含量计，包括聚偏氟乙烯0％‑50％、聚甲基丙烯酸甲酯20％‑80％和抗冲改性剂0％‑30％。本发明提供的建筑装饰膜贴附在金属外墙材料的表面，对外墙材料进行保护，防止脱色和锈蚀，该薄膜中的聚偏氟乙烯可抗老化，聚甲基丙烯酸甲酯能增加薄膜透明度及降低加工难度，抗冲改性剂能让薄膜易于加工且柔软，紫外吸收剂能有效的吸收阳光中的紫外线，延长薄膜及产品寿命。

Description

一种易粘接型建筑装饰膜
技术领域
本发明涉及建筑装饰材料防护技术领域，具体涉及一种易粘接型建筑装饰膜。
背景技术
随着生活水平的提高，人们对建筑外墙的要求也越来越高，美观的要求越来越普遍，安全、保温、环保等新要求也在不断的提出。由于成本的不同，建造师在材料上也有不同的选择，涂料、瓷砖就是常见的选择，其中涂料、瓷砖由于外观和和施工等原因，并不被某些高端建筑所接受，因此新型的建筑外墙材料钢板、铝板等便是一种新的选择，钢板、铝板等金属材料做成建筑外墙，其颜色的保持和防锈就尤为重要。目前常见的做法是在金属材料上喷涂氟碳涂层，但是随着环保要求的提高，氟碳涂层的工艺逐渐难题满足要求，迫切需要一种对金属墙面材料提供保护的新方案。
发明内容
本发明的目的在于提供一种易粘接型建筑装饰膜，该装饰膜代替原氟碳涂层用于防止金属墙面材料的色泽和防止锈蚀，可满足环保要求，并且具有良好的防老化、抗紫外性能。
为实现上述目的，本发明提供如下技术方案：一种易粘接型建筑装饰膜，包括外层和复合层，所述外层按照各成分含量计，包括聚偏氟乙烯70％-90％、聚甲基丙烯酸甲酯5％-25％、抗冲改性剂5％-25％和紫外吸收剂0.1％-0.5％，所述复合层按照各成分含量计，包括聚偏氟乙烯0％-50％、聚甲基丙烯酸甲酯20％-80％和抗冲改性剂0％-30％。
根据本发明的一实施例，对于所述的易粘接型建筑装饰膜，所述外层按照各成分含量计，包括聚偏氟乙烯75％-85％、聚甲基丙烯酸甲酯5％-15％、抗冲改性剂5％-15％和紫外吸收剂0.2％-0.4％。
根据本发明的一实施例，对于所述的易粘接型建筑装饰膜，所述复合层按照各成分含量计，包括聚偏氟乙烯10％-30％、聚甲基丙烯酸甲酯50％-70％和抗冲改性剂15％-25％。
与现有技术相比，本发明的有益效果是：
本发明提供的建筑装饰膜贴附在金属外墙材料的表面，对外墙材料进行保护，防止脱色和锈蚀，该装饰膜采用双层结构，外层为抗老化层，聚偏氟乙烯是抗老化的主要成分，比例越高越抗老化，但加工难度会增加，聚甲基丙烯酸甲酯能增加薄膜透明度及降低加工难度，抗冲改性剂能让薄膜易于加工且柔软，紫外吸收剂能有效的吸收阳光中的紫外线，延长薄膜及产品寿命；复合层为过渡粘接层，主要材料为聚甲基丙烯酸甲酯，聚偏氟乙烯增加薄膜的抗老化性能，抗冲改性剂改善加工性能。
具体实施方式
下面将结合具体实施例对本发明作进一步说明，以便于本领域的技术人员可以更好的理解本发明并能予以实施，但所列举的实施例不作为本发明的限定。
实施例1
本发明提供一种易粘接的建筑装饰膜，其由外层和复合层组成，外层按照各成分含量计，包括聚偏氟乙烯70％、聚甲基丙烯酸甲酯15％、抗冲改性剂14.5％和紫外吸收剂0.5％，复合层按照各成分含量计，包括聚偏氟乙烯0％、聚甲基丙烯酸甲酯80％和抗冲改性剂20％。
实施例2
本发明提供一种易粘接的建筑装饰膜，其由外层和复合层组成，外层按照各成分含量计，包括聚偏氟乙烯90％、聚甲基丙烯酸甲酯5％、抗冲改性剂4.9％和紫外吸收剂0.1％，复合层按照各成分含量计，包括聚偏氟乙烯50％、聚甲基丙烯酸甲酯20％和抗冲改性剂30％。
实施例3
本发明提供一种易粘接的建筑装饰膜，其由外层和复合层组成，外层按照各成分含量计，包括聚偏氟乙烯75％、聚甲基丙烯酸甲酯14.6％、抗冲改性剂10％和紫外吸收剂0.4％，复合层按照各成分含量计，包括聚偏氟乙烯10％、聚甲基丙烯酸甲酯70％和抗冲改性剂20％。
实施例4
本发明提供一种易粘接的建筑装饰膜，其由外层和复合层组成，外层按照各成分含量计，包括聚偏氟乙烯85％、聚甲基丙烯酸甲酯4.8％、抗冲改性剂10％和紫外吸收剂0.2％，复合层按照各成分含量计，包括聚偏氟乙烯30％、聚甲基丙烯酸甲酯50％和抗冲改性剂20％。
该建筑装饰膜的外层为抗老化层，主要用于对金属墙面材料进行保护，防止脱色和锈蚀，在外层中，聚偏氟乙烯为抗老化的主要成分，添加了聚甲基丙烯酸甲酯用于增加薄膜透明度以及降低加工难度，抗冲改性剂能让薄膜易于加工且柔软，紫外吸收剂能有效的吸收阳光中的紫外线；复合层为过渡粘接层，用于连接外层和金属墙面材料，其主要材料是聚甲基丙烯酸甲酯，添加了聚偏氟乙烯提高复合层的抗老化性能，抗冲改性剂改善加工性能。
外层薄膜作为保护层，长期承受日晒雨淋，虽然为金属墙面材料提供了保护，但是也极易老化，因此其中的提供抗老化功能的聚偏氟乙烯成分就尤为重要，我们采用不同含量的聚偏氟乙烯进行薄膜加工，记录加工成品率，并取各个含量加工好的成品依次放入老化房进行老化测试，保持前后测试的模拟环境不变，记录各成品的老化时间，结果如下表1所示，由表1中我们可以看出，薄膜中添加的聚偏氟乙烯的比例越高，薄膜产品的老化时间越长，抗老化效果越好，但是相反的，随着添加聚偏氟乙烯的比例增高，薄膜加工的成品率越低，意味着加工难度越大。
表1建筑装饰膜中聚偏氟乙烯含量不同对其性能的影响
聚偏氟乙烯含量 70％ 80％ 85％ 90％
老化时间(单位：h) 5.6 8.4 8.9 9.1
加工成品率 98％ 95％ 91％ 82％
以上所述实施例仅是为充分说明本发明所举的较佳实施例，本发明的保护范围不限于此。本技术领域的技术人员在本发明的基础上所作的等同替代或变换，均在本发明的保护范围之内。本发明的保护范围以权利要求书为准。

Claims (3)

1.一种易粘接型建筑装饰膜，其特征在于，包括外层和复合层，所述外层按照各成分含量计，包括聚偏氟乙烯70％-90％、聚甲基丙烯酸甲酯5％-25％、抗冲改性剂5％-25％和紫外吸收剂0.1％-0.5％，所述复合层按照各成分含量计，包括聚偏氟乙烯0％-50％、聚甲基丙烯酸甲酯20％-80％和抗冲改性剂0％-30％。
2.如权利要求1所述的易粘接型建筑装饰膜，其特征在于，所述外层按照各成分含量计，包括聚偏氟乙烯75％-85％、聚甲基丙烯酸甲酯5％-15％、抗冲改性剂5％-15％和紫外吸收剂0.2％-0.4％。
3.如权利要求1所述的易粘接型建筑装饰膜，其特征在于，所述复合层按照各成分含量计，包括聚偏氟乙烯10％-30％、聚甲基丙烯酸甲酯50％-70％和抗冲改性剂15％-25％。
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