CN202702756U - 一种建筑真空绝热板用的耐碱不燃阻隔膜 - Google Patents

一种建筑真空绝热板用的耐碱不燃阻隔膜 Download PDF

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CN202702756U
CN202702756U CN201220384960.9U CN201220384960U CN202702756U CN 202702756 U CN202702756 U CN 202702756U CN 201220384960 U CN201220384960 U CN 201220384960U CN 202702756 U CN202702756 U CN 202702756U
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fiber cloth
layer
alkali
basalt fiber
vacuum insulation
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李斌斌
陈照峰
周介明
陈清
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Xu Lijiang
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Suzhou VIP New Material Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/24—Structural elements or technologies for improving thermal insulation
    • Y02A30/242—Slab shaped vacuum insulation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
    • Y02B80/10—Insulation, e.g. vacuum or aerogel insulation

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Abstract

本实用新型公布一种建筑真空绝热板用的耐碱不燃阻隔膜，包括从外到内依次复合的玄武岩纤维布、铝箔层、PET层、尼龙层、PE层，其特征在于用玄武岩纤维布取代玻纤布。本实用新型的有益效果：玄武岩纤维采用天然的玄武岩制取，由多种氧化物陶瓷成分组成，玄武岩纤维布具有高强度、耐高温、耐强碱腐蚀、永久阻燃性等优点，各方面综合性能远优于玻璃纤维，是替代石棉、玻璃纤维布的理想材料。利用玄武岩纤维布作为建筑真空绝热板的最外层，在水泥强碱性和潮湿环境中不发生腐蚀反应，无需进行表面抗碱处理，玄武岩纤维布性能稳定，保证了真空绝热板与墙体的结合强度，大大提高了真空绝热板的使用寿命。

Description

一种建筑真空绝热板用的耐碱不燃阻隔膜
技术领域
本实用新型涉及一种建筑真空绝热板用的阻隔膜，特别是涉及一种建筑保温板用的耐碱不燃阻隔膜。 
背景技术
起初真空绝热板主要用于冰箱、船舶、航空等领域，随着真空绝热板研究的不断深入，真空绝热板越来越多的被应用于建筑领域。特别是随着公安部65号文件的颁布，开拓了真空绝热板在建筑外墙保温领域的应用。冰箱真空绝热板的阻隔膜结构为由外到内依次复合的铝箔层、PET层、尼龙层和PE层。 
为了增加真空绝热板和墙体的结合强度，真空绝热板最外层往往增加一层玻纤布。但建筑外墙保温领域有其特殊环境，即在强碱性水泥环境中。玻纤布成分为二氧化硅，容易被水泥腐蚀，长时间后发生粉化现象，导致真空绝热板的脱落。目前主要是对最外层的玻纤布进行耐碱处理，即把玻纤布放在高分子抗碱液中浸泡处理，然后进行高温固化。 
这种方案存在一定的问题：玻纤布表面用高分子抗碱液，无法达到不燃的要求；高分子抗碱液在潮湿和强碱环境中，一段时间后，耐碱性会降低，几年后玻纤还是容易粉化，而建筑用真空绝热板的设计使用寿命达到30年以上。 
发明内容
针对现有技术的不足，本实用新型公布一种建筑真空绝热板用的耐碱不燃阻隔膜，包括从外到内依次复合的玄武岩纤维布、铝箔层、PET层、尼龙层、PE层，其特征在于用玄武岩纤维布取代玻纤布。 
本实用新型的有益效果：玄武岩纤维采用天然的玄武岩制取，由多种氧化物陶瓷成分组成，玄武岩纤维布具有高强度、耐高温、耐强碱腐蚀、永久阻燃性等优点，各方面综合性能远优于玻璃纤维，是替代石棉、玻璃纤维布的理想材料。利用玄武岩纤维布作为建筑真空绝热板的最外层，在水泥强碱性和潮湿环境中不发生腐蚀反应，无需表面耐碱处理，玄武岩纤维布性能稳定，保证了真空绝热板与墙体的结合强度，大大提高了真空绝热板的使用寿命。 
附图说明
图1为本实用新型的结构示意图 
具体实施方式
下面结合附图，对本实用新型技术方案进行详细说明，但是本实用新型的保护范围并不局限于所述实施例。
实施例：一种建筑真空绝热板用耐碱不燃阻隔膜，结合附图1进行详细说明： 
10为玄武岩纤维布，纤维布规格为300-1000 g/m2；
20为铝箔层，厚度为5-15微米；
30为PET层，厚度为50-100微米；
40为尼龙层，厚度为20-40微米；
50为PE层，厚度为30-120微米。

Claims (2)

1.一种建筑真空绝热板用的耐碱不燃阻隔膜，包括从外到内依次复合的纤维布、铝箔层、PET层、尼龙层、PE层，其特征在于纤维布为玄武岩纤维布。
2.依据权利要求1所述的阻隔膜，其特征在于玄武岩纤维布的规格为300-1000 g/m2。
CN201220384960.9U 2012-08-06 2012-08-06 一种建筑真空绝热板用的耐碱不燃阻隔膜 Expired - Lifetime CN202702756U (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104374144A (zh) * 2013-08-12 2015-02-25 苏州维艾普新材料股份有限公司 一种冰箱用真空绝热板使用运输保护方法
CN107653994A (zh) * 2016-07-25 2018-02-02 吴淑环 一种无机纤维布或其复合卷材用于建筑保护层的应用

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104374144A (zh) * 2013-08-12 2015-02-25 苏州维艾普新材料股份有限公司 一种冰箱用真空绝热板使用运输保护方法
CN107653994A (zh) * 2016-07-25 2018-02-02 吴淑环 一种无机纤维布或其复合卷材用于建筑保护层的应用

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Patentee after: Xu Lijiang

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