CN107788740A - 阻燃沙发 - Google Patents
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C17/00—Sofas; Couches; Beds
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C17/00—Sofas; Couches; Beds
- A47C17/86—Parts or details for beds, sofas or couches only not fully covered in a single one of the sub-groups A47C17/02, A47C17/04, A47C17/38, A47C17/52, A47C17/64, or A47C17/84; Drawers in or under beds
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- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
- A47C31/001—Fireproof means
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- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
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- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
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- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/80—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with boron or compounds thereof, e.g. borides
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
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- C08L2201/00—Properties
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- D06M2200/30—Flame or heat resistance, fire retardancy properties
Abstract
本发明公开了一种阻燃沙发,包括木框架、弹性绷带、弹性软质聚氨酯泡沫和包裹弹性软质聚氨酯泡沫的面料,面料和弹性软质聚氨酯泡沫之间还设置有阻燃涂胶层,所述阻燃涂胶层中包括聚醚多元醇100重量份、异氰酸酯40‑60重量份、阻燃剂3‑8重量份和发泡剂10‑15重量份,在组装沙发时混合涂刷在面料背面;所述阻燃剂包括硼酸锌、二氯四氟乙烷、苯磺酸钠和聚硅氧烷。本申请中的室内公共场所所用的沙发木框架和弹性绷带经过阻燃浸渍处理,阻燃效果显著;阻燃层中添加有阻燃剂,增强聚氨酯的阻燃效果,从而增强沙发及其组件的阻燃性能。
Description
技术领域
本发明涉及防火技术领域,具体涉及阻燃沙发。
背景技术
公共场所人员流动性大,尤其有些人员密集的地方火灾等意外发生的几率也大,而且一旦发生火灾造成人员伤害的情况也相对严重,所以对于人员密集的场所,其各种设施的防火性应是首先需要的考虑到的因素之一。
发明内容
本发明的目的在于提供一种阻燃沙发,解决现有的人员密集的公共场所的沙发阻燃性不好的问题。
为解决上述的技术问题,本发明采用以下技术方案:
一种阻燃沙发,包括木框架、弹性绷带、弹性软质聚氨酯泡沫和包裹弹性软质聚氨酯泡沫的面料,面料和弹性软质聚氨酯泡沫之间还设置有阻燃涂胶层,
所述阻燃涂胶层中包括聚醚多元醇100重量份、异氰酸酯40-60重量份、阻燃剂3-8重量份和发泡剂10-15重量份,在组装沙发时混合涂刷在面料背面;
所述阻燃剂包括硼酸锌、二氯四氟乙烷、苯磺酸钠和聚硅氧烷。
本申请沙发中使用的木框架、弹性绷带和面料表面均设置有阻燃涂胶层,阻燃涂胶层中添加有阻燃剂,增强聚氨酯的阻燃效果,其中的硼酸锌除作为一种阻燃物之外,可以提高原料之间的互溶性,少量加入的二氯四氟乙烷、苯磺酸钠和聚硅氧烷则可以起到杀菌、催化、乳化、稳定的作用。
作为优选的,所述阻燃剂包括硼酸锌10重量份、二氯四氟乙烷20-30重量份、苯磺酸钠15-20重量份和聚硅氧烷12-15重量份。
作为优选的,所述弹性软质聚氨酯泡沫中添加有阻燃剂,所述阻燃剂占弹性软质聚氨酯泡沫总质量的4-6%。
弹性软质聚氨酯泡沫作为沙发的靠垫和坐垫,弹性好,不易变形,但是聚氨酯材料的阻燃性并不是特别好,因此在聚氨酯泡沫中添加阻燃剂,提高阻燃效果。
作为优选的,所述面料为牛皮或布料,所述布料由经纱和纬纱编织而成,所述经纱为阻燃聚丙烯腈纤维,所述纬纱为阻燃聚乙烯醇缩醛纤维。
由于面料包裹在弹性软质聚氨酯泡沫外,与人体接触的比较紧密,所以选择牛皮或布透气性较好的材料,牛皮的强度较高,自然不用说,但是对于布料而言,不同的材质和加工方法对布料的强度有很大的影响。在布料编织过程中,由于经纱对纱线的强度要求较纬纱的要求高,因此经纱和纬纱选择不同的材质,能够在得到强度较高的布料的同时,节约成本。
作为优选的,所述木框架和弹性绷带均进行阻燃浸渍处理,所述阻燃浸渍处理包括:将木框架真空处理后在高压条件下保持15-25分钟,然后升压加入阻燃液,保持1-2小时;将弹性绷带置于阻燃液中浸泡5-10分钟。
由于木框架和弹性绷带都比较容易燃烧,为了达到阻燃效果,对其进行阻燃浸渍处理。
作为优选的,对所述木框架进行阻燃浸渍处理时,加入阻燃剂之前的压力为1.2-1.4MPa,加入阻燃剂后压力升高至1.5-1.7MPa。
木框架与弹性绷带的材质不同,阻燃液渗透的效率也不同,所以浸渍的时间也不同。
作为优选的,所述阻燃液包括聚磷酸铵8-12重量份、硼酸锌18-22重量份和水65-75重量份。
阻燃液可以搭配使用现有技术中普遍使用的阻燃剂,但是发明人多次试验,利用硫酸铵、磷酸铵和硼酸锌三种成分调制成的阻燃液阻燃效果最好。
作为优选的,所述阻燃液中还包括成膜助剂0.1-0.3重量份,所述成膜助剂为苯甲醇、乙二醇单丁醚、十二碳醇酯。
在阻燃液中加入成膜剂,使阻燃剂在木框架和弹性绷带表面形成一层阻燃膜,进一步增强阻燃效果。
使用时,可以先将木框架和弹性绷带放入不加有成膜剂的阻燃液中,使阻燃液充分浸入木框架和弹性绷带,然后再将木框架和弹性绷带加入含有成膜剂的阻燃液中,在木框架和弹性绷带表面成膜。
作为优选的,所述成膜助剂中包括苯甲醇5重量份、乙二醇单丁醚7-12重量份和十二碳醇酯20-11重量份。
与现有技术相比,本发明的有益效果至少是如下之一:
阻燃涂胶层中添加有阻燃剂,增强聚氨酯的阻燃效果,从而增强沙发及其组件的阻燃性能。其中的硼酸锌除作为一种阻燃物之外,可以提高原料之间的互溶性,少量加入的二氯四氟乙烷、苯磺酸钠和聚硅氧烷则可以起到杀菌、催化、乳化、稳定的作用。
本申请中木框架和弹性绷带经过阻燃浸渍处理、面料也采用牛皮或阻燃材料编制而成,阻燃效果显著。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白,以下结合实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。
实施例1:
本实施例提供了一种阻燃沙发,包括木框架、弹性绷带、弹性软质聚氨酯泡沫和包裹弹性软质聚氨酯泡沫的面料,其中,
面料和弹性软质聚氨酯泡沫之间还设置有阻燃涂胶层,所述阻燃涂胶层中包括聚醚多元醇100重量份、异氰酸酯40重量份、阻燃剂3重量份和发泡剂10重量份;所述阻燃剂包括硼酸锌10重量份、二氯四氟乙烷20重量份、苯磺酸钠15重量份和聚硅氧烷12重量份,所述阻燃涂胶层是在组装沙发时混合涂刷在面料背面;
所述弹性软质聚氨酯泡沫中添加有阻燃剂,所述阻燃剂占弹性软质聚氨酯泡沫总质量的4%;
所述面料为布料,所述布料由经纱和纬纱编织而成,所述经纱为阻燃聚丙烯腈纤维,所述纬纱为阻燃聚乙烯醇缩醛纤维;
所述木框架和弹性绷带均进行阻燃浸渍处理,所述阻燃浸渍处理包括:将木框架真空处理后在1.2MPa下保持15分钟,然后升压至1.5MPa加入阻燃液,保持1小时;将弹性绷带置于阻燃液中浸泡5分钟,其中阻燃液包括聚磷酸铵8重量份、硼酸锌18重量份和水65重量份。
实施例2:
本实施例提供了一种阻燃沙发,包括木框架、弹性绷带、弹性软质聚氨酯泡沫和包裹弹性软质聚氨酯泡沫的面料,其中,
面料和弹性软质聚氨酯泡沫之间还设置有阻燃涂胶层,所述阻燃涂胶层中包括聚醚多元醇100重量份、异氰酸酯60重量份、阻燃剂8重量份和发泡剂15重量份;所述阻燃剂包括硼酸锌10重量份、二氯四氟乙烷30重量份、苯磺酸钠20重量份和聚硅氧烷15重量份,所述阻燃涂胶层是在组装沙发时混合涂刷在面料背面;
所述弹性软质聚氨酯泡沫中添加有阻燃剂,所述阻燃剂占弹性软质聚氨酯泡沫总质量的6%;
所述面料为牛皮;
所述木框架和弹性绷带均进行阻燃浸渍处理,所述阻燃浸渍处理包括:将木框架真空处理后在1.4MPa下保持25分钟,然后升压至1.7MPa加入阻燃液,保持2小时;将弹性绷带置于阻燃液中浸泡10分钟,其中阻燃液包括阻燃液包括聚磷酸铵12重量份、硼酸锌22重量份和水75重量份。
实施例3:
本实施例提供了一种阻燃沙发,包括木框架、弹性绷带、弹性软质聚氨酯泡沫和包裹弹性软质聚氨酯泡沫的面料,其中,
面料和弹性软质聚氨酯泡沫之间还设置有阻燃涂胶层,所述阻燃涂胶层中包括聚醚多元醇100重量份、异氰酸酯50重量份、阻燃剂5重量份和发泡剂12重量份;所述阻燃剂包括硼酸锌10重量份、二氯四氟乙烷25重量份、苯磺酸钠18重量份和聚硅氧烷14重量份,所述阻燃涂胶层是在组装沙发时混合涂刷在面料背面;
所述弹性软质聚氨酯泡沫中添加有阻燃剂,所述阻燃剂占弹性软质聚氨酯泡沫总质量的5%;
所述面料为牛皮或布料,所述布料由经纱和纬纱编织而成,所述经纱为阻燃聚丙烯腈纤维,所述纬纱为阻燃聚乙烯醇缩醛纤维;
所述木框架和弹性绷带均进行阻燃浸渍处理,所述阻燃浸渍处理包括:将木框架真空处理后在1.3MPa下保持20分钟,然后升压至1.6MPa加入阻燃液,保持1.5小时;将弹性绷带置于阻燃液中浸泡8分钟,其中阻燃液包括阻燃液包括聚磷酸铵10重量份、硼酸锌20重量份和水70重量份和成膜助剂0.1-0.3重量份,所述成膜助剂中包括苯甲醇5重量份、乙二醇单丁醚7-12重量份和十二碳醇酯20-11重量份。
将实施例1-3所得的3种弹性软质聚氨酯泡沫和弹性绷带按照GB 8624-2012进行测试,燃烧性能均达到GB 8624-2012阻燃B2级及以上,具体结果如下:
表1.三个实施例所得弹性软质聚氨酯泡沫和弹性绷带燃烧性能测试结果
从上表可以看出,无论是对聚氨酯泡沫弹性软质聚氨酯泡沫还是弹性绷带的阻燃性能,实施例3的效果都是最好的。
尽管这里参照本发明的多个解释性实施例对本发明进行了描述,但是,应该理解,本领域技术人员可以设计出很多其他的修改和实施方式,这些修改和实施方式将落在本申请公开的原则范围和精神之内。更具体地说,在本申请公开和权利要求的范围内,可以对主题组合布局的组成部件和/或布局进行多种变型和改进。除了对组成部件和/或布局进行的变形和改进外,对于本领域技术人员来说,其他的用途也将是明显的。
Claims (9)
1.一种阻燃沙发,包括木框架、弹性绷带、弹性软质聚氨酯泡沫和包裹弹性软质聚氨酯泡沫的面料,其特征在于:面料和弹性软质聚氨酯泡沫之间还设置有阻燃涂胶层,
所述阻燃涂胶层中包括聚醚多元醇100重量份、异氰酸酯40-60重量份、阻燃剂3-8重量份和发泡剂10-15重量份;
所述阻燃剂包括硼酸锌、二氯四氟乙烷、苯磺酸钠和聚硅氧烷。
2.根据权利要求1所述的阻燃沙发,其特征在于,所述阻燃剂包括硼酸锌10重量份、二氯四氟乙烷20-30重量份、苯磺酸钠15-20重量份和聚硅氧烷12-15重量份。
3.根据权利要求1所述的阻燃沙发,其特征在于,所述弹性软质聚氨酯泡沫中添加有阻燃剂,所述阻燃剂占弹性软质聚氨酯泡沫总质量的4-6%。
4.根据权利要求1所述的阻燃沙发,其特征在于,所述面料为牛皮或布料,所述布料由经纱和纬纱编织而成,所述经纱为阻燃聚丙烯腈纤维,所述纬纱为阻燃聚乙烯醇缩醛纤维。
5.根据权利要求1所述的阻燃沙发,其特征在于,所述木框架和弹性绷带均进行阻燃浸渍处理,所述阻燃浸渍处理包括:将木框架真空处理后在高压条件下保持15-25分钟,然后升压加入阻燃液,保持1-2小时;将弹性绷带置于阻燃液中浸泡5-10分钟。
6.根据权利要求5所述的阻燃沙发,其特征在于,对所述木框架进行阻燃浸渍处理时,加入阻燃剂之前的压力为1.2-1.4MPa,加入阻燃剂后压力升高至1.5-1.7MPa。
7.根据权利要求5所述的阻燃沙发,其特征在于,所述阻燃液包括聚磷酸铵8-12重量份、硼酸锌18-22重量份和水65-75重量份。
8.根据权利要求5所述的阻燃沙发,其特征在于,所述阻燃液中还包括成膜助剂0.1-0.3重量份,所述成膜助剂为苯甲醇、乙二醇单丁醚、十二碳醇酯。
9.根据权利要求8所述的阻燃沙发,其特征在于,所述成膜助剂中包括苯甲醇5重量份、乙二醇单丁醚7-12重量份和十二碳醇酯20-11重量份。
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