CN108248169B - 一种复合中空型保温箱内板材 - Google Patents
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Abstract
本发明公开了一种复合中空型保温箱内板材,其包括硬塑基板,其特征在于在硬塑基板上通过胶黏层依次平铺粘黏固定有第二中空保温板、第二隔热连接膜、第一中空保温板、第一隔热连接膜以及合金铝箔层;第一中空保温板与第二中空保温板的结构与整体规格相同;在第一中空保温板以及第二中空保温板内均设有真空层,其中第一中空保温板内真空层的高度大于第二中空保温板内真空层的高度;所述第一隔热连接膜与第二隔热连接膜的结构相同,第一隔热连接膜的厚度大于第二隔热连接膜的厚度。
Description
技术领域
本发明涉及保温材料技术领域,具体为一种复合中空型保温箱内板材。
背景技术
随着生活水平的提高和餐饮行业的飞跃,外卖作为餐饮行业一个新的利润增长点,在家中和家人共同享受各类美味也成为一种健康、自然的生活方式,在国外发达国家较为普遍,在国内也日渐普及。保温箱以安全环保、保冷保热、携带方便的概念受到餐饮行业的关注;保温箱根据产品质地不同分为不同种类,包括塑料的、泡沫的、金属材质的、木制的等各种保温箱。
传统的保温箱为了减少自重,多采用发泡板材料来制作保温箱,其重量虽然轻便,但是保温效果和结构稳定性均较差,在有汁液进入保温箱体内部时,其可清洁性较差,容易滋生细菌;导致整个保温箱重复利用率低,非常的浪费资源,因此亟待改进。
发明内容
本发明的目的在于提供一种复合中空型保温箱内板材,以解决上述背景技术中提出的问题。
为实现上述目的,本发明提供如下技术方案:
一种复合中空型保温箱内板材,其包括硬塑基板,在硬塑基板上通过胶黏层依次平铺粘黏固定有第二中空保温板、第二隔热连接膜、第一中空保温板、第一隔热连接膜以及合金铝箔层;第一中空保温板与第二中空保温板的结构与整体规格相同;在第一中空保温板以及第二中空保温板内均设有真空层,其中第一中空保温板内真空层的高度大于第二中空保温板内真空层的高度;所述第一隔热连接膜与第二隔热连接膜的结构相同,第一隔热连接膜的厚度大于第二隔热连接膜的厚度;
上述第一中空保温板与第二中空保温板均由以下重量份数的原料制成:聚丙烯50-80份、聚烯烃10-25份、聚乙烯辛烯共弹性体6-12份、氢氧化钠1-5份、氯化锌1-5份、蓖麻油0.5-1.5份、纳米二氧化硅1-3份、抗氧化剂1-5份、耐候剂0.5-3份、交联剂1-3份、耐高温剂1-3份、润滑剂1-3份;
上述第一隔热连接膜与第二隔热连接膜均由以下重量份数的原料制成:丙烯酸树脂20-30份、膨润土10-20份、高岭土5-15份、分散剂1-5份、流平剂1-3份、纳米二氧化硅0.3-0.6份、增稠剂1-2份。
所述分散剂为聚乙烯蜡、聚丙烯蜡中的一种或两者的混合物,两者混合使用时质量比为2:3。
所述流平剂为聚二甲基硅氧烷、聚甲基苯基硅氧烷中的一种或两者的混合物,两者混合使用时质量比为1:2。
所述增稠剂为聚丙烯酞胺、聚乙烯醇、聚氧化乙烯中的一种或两者的混合物,两者混合使用时质量比为1:1。
第一隔热连接膜与第二隔热连接膜的制备方法包括:(1)将丙烯酸树脂20-30份、膨润土10-20份、高岭土5-15份、纳米二氧化硅0.3-0.6份在65-70℃下混合,充分搅拌均匀;(2)向上述混合物中依次加入分散剂1-5份、流平剂1-3份、增稠剂1-2份,持续搅拌直至形成分散均匀的粘稠物;(3)将上述粘稠物送入压膜机,压成薄膜,静止冷却后即得隔热连接膜成品,加入少量的纳米二氧化硅可以有效的提升隔热连接膜的拉伸强度、致密性和表面粗超度,便于隔热效果的提升和与其他工作层连接。
作为本发明更进一步的技术方案,第一中空保温板内真空层的高度为第二中空保温板内真空层高度的两倍。
作为本发明更进一步的技术方案,第一隔热连接膜的厚度为第二隔热连接膜厚度的三倍。
作为本发明更进一步的技术方案,所述抗氧化剂为亚磷酸三苯醋。
所述耐候剂为2-经基一4一正辛氧基二苯甲酮。
所述耐高温剂为聚酞亚胺。
所述交联剂为六氢邻苯二甲酸醉。
本发明所提供的一种复合中空型保温箱内板材采用两层中空板体的复合式结构,具有质量轻,结构强度高,可以反复利用的优点,由其制作的保温箱具有保温效果好,携带方便;抗震性能好的优点,非常实用。
附图说明
图1为本发明一种复合中空型保温箱内板材的结构示意图。
图中:1-合金铝箔层,2-第一隔热连接膜,3-第一中空保温板,4-真空层,5-第二隔热连接膜,6-第二中空保温板,7-硬塑基板。
具体实施方式
下面结合具体实施方式对本专利的技术方案作进一步详细地说明。
请参阅图1,一种复合中空型保温箱内板材,其包括硬塑基板7,在硬塑基板7上通过胶黏层依次平铺粘黏固定有第二中空保温板6、第二隔热连接膜5、第一中空保温板3、第一隔热连接膜2以及合金铝箔层1;第一中空保温3板与第二中空保温板6的结构与整体规格相同;在第一中空保温3板以及第二中空保温板6内均设有真空层4,其中第一中空保温3内真空层的高度大于第二中空保温板6内真空层的高度;在本发明的优选实施例中,第一中空保温3内真空层的高度为第二中空保温板6内真空层高度的两倍,这样的结构可以提高箱体内部的保温效果,提高箱体外部的抗压强度;所述第一隔热连接膜2与第二隔热连接膜3的结构相同,第一隔热连接膜2的厚度大于第二隔热连接膜3的厚度,在本发明的优选实施例中,第一隔热连接膜2的厚度为第二隔热连接膜厚度的三倍,这样一来可以保证保温箱内部的隔热效果,二来提高箱体的连接强度。
在本发明的优选实施例中,所述第一中空保温板与第二中空保温板均由以下重量份数的原料制成:聚丙烯50-80份、聚烯烃10-25份、聚乙烯辛烯共弹性体6-12份、氢氧化钠1-5份、氯化锌1-5份、蓖麻油0.5-1.5份、纳米二氧化硅1-3份、抗氧化剂1-5份、耐候剂0.5-3份、交联剂1-3份、耐高温剂1-3份、润滑剂1-3份。
所述抗氧化剂为亚磷酸三苯醋。
所述耐候剂为2-经基一4一正辛氧基二苯甲酮。
所述耐高温剂为聚酞亚胺。
所述交联剂为六氢邻苯二甲酸醉。
在本发明的优选实施例中,第一隔热连接膜2与第二隔热连接膜5均由以下重量份数的原料制成:丙烯酸树脂20-30份、膨润土10-20份、高岭土5-15份、分散剂1-5份、流平剂1-3份、纳米二氧化硅0.3-0.6份、增稠剂1-2份。
所述分散剂为聚乙烯蜡、聚丙烯蜡中的一种或两者的混合物,两者混合使用时质量比为2:3。
所述流平剂为聚二甲基硅氧烷、聚甲基苯基硅氧烷中的一种或两者的混合物,两者混合使用时质量比为1:2。
所述增稠剂为聚丙烯酞胺、聚乙烯醇、聚氧化乙烯中的一种或两者的混合物,两者混合使用时质量比为1:1。
上述第一隔热连接膜2与第二隔热连接膜5的制备方法包括:(1)将丙烯酸树脂20-30份、膨润土10-20份、高岭土5-15份、纳米二氧化硅0.3-0.6份在65-70℃下混合,充分搅拌均匀;(2)向上述混合物中依次加入分散剂1-5份、流平剂1-3份、增稠剂1-2份,持续搅拌直至形成分散均匀的粘稠物;(3)将上述粘稠物送入压膜机,压成薄膜,静止冷却后即得隔热连接膜成品,加入少量的纳米二氧化硅可以有效的提升隔热连接膜的拉伸强度、致密性和表面粗超度,便于隔热效果的提升和与其他工作层连接。
综上所述,本发明所提供的一种复合中空型保温箱内板材采用两层中空板体的复合式结构,具有质量轻,结构强度高,可以反复利用的优点,由其制作的保温箱具有保温效果好,携带方便;抗震性能好的优点,非常实用。
上面对本专利的较佳实施方式作了详细说明,但是本专利并不限于上述实施方式,在本领域的普通技术人员所具备的知识范围内,还可以在不脱离本专利宗旨的前提下作出各种变化。
Claims (4)
1.一种复合中空型保温箱内板材,其包括硬塑基板,其特征在于在硬塑基板上通过胶黏层依次平铺粘黏固定有第二中空保温板、第二隔热连接膜、第一中空保温板、第一隔热连接膜以及合金铝箔层;第一中空保温板与第二中空保温板的结构与整体规格相同;在第一中空保温板以及第二中空保温板内均设有真空层,其中第一中空保温板内真空层的高度大于第二中空保温板内真空层的高度;所述第一隔热连接膜与第二隔热连接膜的结构相同,第一隔热连接膜的厚度大于第二隔热连接膜的厚度;
上述第一中空保温板与第二中空保温板均由以下重量份数的原料制成:聚丙烯50-80份、聚烯烃10-25份、聚乙烯辛烯共弹性体6-12份、氢氧化钠1-5份、氯化锌1-5份、蓖麻油0.5-1.5份、纳米二氧化硅1-3份、抗氧化剂1-5份、耐候剂0.5-3份、交联剂1-3份、耐高温剂1-3份、润滑剂1-3份;
上述第一隔热连接膜与第二隔热连接膜均由以下重量份数的原料制成:丙烯酸树脂20-30份、膨润土10-20份、高岭土5-15份、分散剂1-5份、流平剂1-3份、纳米二氧化硅0.3-0.6份、增稠剂1-2份。
2.根据权利要求1所述的一种复合中空型保温箱内板材,其特征在于,第一中空保温板内真空层的高度为第二中空保温板内真空层高度的两倍。
3.根据权利要求1所述的一种复合中空型保温箱内板材,其特征在于,第一隔热连接膜的厚度为第二隔热连接膜厚度的三倍。
4.根据权利要求1所述的一种复合中空型保温箱内板材,其特征在于,第一隔热连接膜与第二隔热连接膜的制备方法包括:(1)将丙烯酸树脂20-30份、膨润土10-20份、高岭土5-15份、纳米二氧化硅0.3-0.6份在65-70℃下混合,充分搅拌均匀;(2)向上述混合物中依次加入分散剂1-5份、流平剂1-3份、增稠剂1-2份,持续搅拌直至形成分散均匀的粘稠物;(3)将上述粘稠物送入压膜机,压成薄膜,静止冷却后即得隔热连接膜成品。
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