CN111607173A - 一种介孔材料复合聚苯乙烯保温板及其制备方法 - Google Patents
一种介孔材料复合聚苯乙烯保温板及其制备方法 Download PDFInfo
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- C08L25/00—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 an aromatic carbocyclic ring; Compositions of derivatives of such polymers
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Abstract
本发明将介孔材料添加到热固型改性聚苯乙烯保温板中,可以有效降低改性聚苯板的导热系数,提升阻燃效果。采用介孔材料复合的热固型高阻燃膨胀聚苯乙烯保温板可用在建筑内外墙做保温板用,也可应用于建筑免拆模板,保温装饰一体板的保温层等。
Description
技术领域
本发明属于材料领域,特别是涉及一种介孔材料复合聚苯乙烯保温板及其制备方法。
背景技术
近十几年来,保温材料越来越多的被应用到建筑内外墙中,其中EPS(可发性聚苯乙烯泡沫材料)始终占据着主导地位。EPS保温板具有价格便宜,易于施工,保温性能好的优点,但是遇火极易燃烧、发烟量大。2009年由于燃放烟花爆竹造成的央视大楼火灾,2014年上海静安区高层教师公寓的大火,都与保温材料有一定的关系。针对这一情况,市场上也出现了多种阻燃EPS保温板,比如石墨聚苯板、硅质聚苯板、采用热固性树脂添加阻燃剂(比如可膨胀石墨、氢氧化铝等)包覆聚苯乙烯发泡珠粒制备的保温板等,这些新型的保温板有效的提高了传统EPS保温板易燃的缺陷,大大降低了火灾的发生。但是,由于多种阻燃剂、粘结剂的加入,使得这些改性聚苯板的导热系数上升,保温隔热效果变差。本发明将一种新型的纳米介孔绝热保温材料添加到热固改性聚苯板中,不仅起到了一个优异的阻燃效果,还降低了改性聚苯板的导热系数,保温效果得到进一步的提高。
发明内容
一种介孔材料复合聚苯乙烯保温板,按照质量份数计,有下列组分组成:
预发泡聚苯乙烯珠粒100份
粘结剂60-120份
阻燃剂2-50份
介孔材料0.01-20份
其中,所述的粘结剂为热固型树脂类有机粘结剂,为酚醛树脂、脲醛树脂、蜜胺树脂、环氧树脂中的一种。
阻燃剂为聚磷酸铵、可膨胀石墨、氢氧化镁、氢氧化铝中的至少一种。
介孔材料为有序介孔材料,分为硅基和非硅基有序介孔材料,经过表面处理,堆积密度100-300kg/m3。
一种介孔材料复合聚苯乙烯保温板的制备方法,由下列步骤组成:
(1)将阻燃剂添加到热固型树脂粘结剂中,搅拌均匀;
(2)将介孔材料粉料添加到(1)号混合液中,搅拌均匀;
(3)将(2)号混合液与预发泡聚苯乙烯珠粒混合搅拌,使混合液均匀的覆盖在珠粒表面;
(4)将覆盖混合液的珠粒放入模具中,在120-180℃模压成型。
本发明将介孔材料添加到热固型改性聚苯乙烯保温板中,可以有效降低改性聚苯板的导热系数,提升阻燃效果。采用介孔材料复合的热固型高阻燃膨胀聚苯乙烯保温板可用在建筑内外墙做保温板用,也可应用于建筑免拆模板,保温装饰一体板的保温层等。
具体实施方式
实施例1
称取预发泡聚苯乙烯珠粒100份,酚醛树脂60份,可膨胀石墨2份,介孔材料0.01份混合均匀后,在120℃下模压成型,按照JGT 536-2017《热固复合聚苯乙烯泡沫保温板》中测试方法测试,密度32kg/m3,导热系数为0.036W/(m.k),抗拉强度压缩强度0.17MPa,压缩强度0.14MPa,燃烧等级B1级,极限氧指数26.1。
实施例2
称取预发泡聚苯乙烯珠粒100份,酚醛树脂60份,可膨胀石墨2份,介孔材料10份混合均匀后,在120℃下模压成型,按照JGT 536-2017《热固复合聚苯乙烯泡沫保温板》中测试方法测试,密度35kg/m3,导热系数为0.031W/(m.k),抗拉强度0.16MPa,压缩强度0.13MPa,燃烧等级B1级,极限氧指数27.3。
实施例3
称取预发泡聚苯乙烯珠粒100份,脲醛树脂90份,可膨胀石墨2份,聚磷酸铵5份,介孔材料10份混合均匀后,在150℃下模压成型,按照JGT 536-2017《热固复合聚苯乙烯泡沫保温板》中测试方法测试,密度43kg/m3,导热系数为0.034W/(m.k),抗拉强度0.23MPa,压缩强度0.20MPa,燃烧等级B1级,极限氧指数30.1。
实施例4
称取预发泡聚苯乙烯珠粒100份,脲醛树脂90份,可膨胀石墨2份,聚磷酸铵5份,介孔材料10份混合均匀后,在150℃下模压成型,按照JGT 536-2017《热固复合聚苯乙烯泡沫保温板》中测试方法测试,密度43kg/m3,导热系数为0.035W/(m.k),抗拉强度0.23MPa,压缩强度0.20MPa,燃烧等级B1级,极限氧指数30.1。
实施例5
称取预发泡聚苯乙烯珠粒100份,脲醛树脂90份,氢氧化镁20份,可膨胀石墨5份,聚磷酸铵5份,介孔材料10份混合均匀后,在150℃下模压成型,按照JGT 536-2017《热固复合聚苯乙烯泡沫保温板》中测试方法测试,密度44kg/m3,导热系数为0.036W/(m.k),抗拉强度0.21MPa,压缩强度0.19MPa,燃烧等级B1级,极限氧指数32.1。
实施例6
称取预发泡聚苯乙烯珠粒100份,蜜胺树脂120份,氢氧化铝30份,可膨胀石墨10份,聚磷酸铵10份,介孔材料10份混合均匀后,在180℃下模压成型,按照JGT 536-2017《热固复合聚苯乙烯泡沫保温板》中测试方法测试,密度48kg/m3,导热系数为0.039W/(m.k),抗拉强度0.24MPa,压缩强度0.22MPa,燃烧等级B1级,极限氧指数34.6。
实施例7
取预发泡聚苯乙烯珠粒100份,蜜胺树脂120份,氢氧化铝30份,可膨胀石墨10份,聚磷酸铵10份,介孔材料20份混合均匀后,在180℃下模压成型,按照JGT 536-2017《热固复合聚苯乙烯泡沫保温板》中测试方法测试,密度49kg/m3,导热系数为0.035W/(m.k),抗拉强度0.23MPa,压缩强度0.21MPa,燃烧等级A2级,极限氧指数36.3。
本发明不限于上述实施例,凡依据本发明的技术实质对上述实施例作的任何简单、等同变化或修饰,均属于本发明技术范围内。
Claims (5)
1.一种介孔材料复合聚苯乙烯保温板,其特征在于,按照质量份数计,有下列组分组成:
预发泡聚苯乙烯珠粒100份
粘结剂60-120份
阻燃剂2-50份
介孔材料0.01-20份。
2.根据权利要求1所述的一种介孔材料复合聚苯乙烯保温板,其特征在于,所述的粘结剂为热固型树脂类有机粘结剂,为酚醛树脂、脲醛树脂、蜜胺树脂、环氧树脂中的一种。
3.根据权利要求1所述的一种介孔材料复合聚苯乙烯保温板,其特征在于,所述的阻燃剂为聚磷酸铵、可膨胀石墨、氢氧化镁、氢氧化铝中的至少一种。
4.根据权利要求1所述的一种介孔材料复合聚苯乙烯保温板,其特征在于,所说的介孔材料为有序介孔材料,分为硅基和非硅基有序介孔材料,经过表面处理,堆积密度100-300kg/m3。
5.一种介孔材料复合聚苯乙烯保温板的制备方法,其特征在于,由下列步骤组成:
(1)将阻燃剂添加到热固型树脂粘结剂中,搅拌均匀;
(2)将介孔材料粉料添加到(1)号混合液中,搅拌均匀;
(3)将(2)号混合液与预发泡聚苯乙烯珠粒混合搅拌,使混合液均匀的覆盖在珠粒表面;
(4)将覆盖混合液的珠粒放入模具中,在120-180℃模压成型。
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CN112778656A (zh) * | 2020-12-31 | 2021-05-11 | 南京科轩节能科技有限公司 | 一种介孔材料复合聚苯乙烯保温板及其制备方法 |
CN113103610A (zh) * | 2021-04-02 | 2021-07-13 | 吉林吉大蓝创科技有限公司 | 一种纳米介孔功能矿物复合绝热保温芯材的制备方法 |
CN114751710A (zh) * | 2022-04-15 | 2022-07-15 | 山东优纳新材料科技有限公司 | 一种含介孔材料的建筑保温板 |
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CN101823897A (zh) * | 2009-03-06 | 2010-09-08 | 深圳市优纳科技有限公司 | 复合介孔材料 |
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