CN104295857A - 一种冰箱、冰柜的隔热层 - Google Patents

一种冰箱、冰柜的隔热层 Download PDF

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CN104295857A
CN104295857A CN201310294016.3A CN201310294016A CN104295857A CN 104295857 A CN104295857 A CN 104295857A CN 201310294016 A CN201310294016 A CN 201310294016A CN 104295857 A CN104295857 A CN 104295857A
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王焕江
李伟
岑君妮
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NINGBO COMBINE ELECTRICAL APPLIANCE Co Ltd
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Abstract

本发明公开了一种冰箱、冰柜的隔热层，其由一上聚氨酯层、一膨胀珍珠岩层以及一下聚氨酯层依次层叠而成；膨胀珍珠岩层包括30%~40%珍珠岩颗粒、20%~30%陶瓷颗粒、10%~20%硅酸钠、8%~10%水玻璃、10%~20%水，珍珠岩颗粒的粒径为30~50微米，陶瓷颗粒的粒径为50~80微米；上聚氨酯层和下聚氨酯层通过以下物料混合发泡而成，具体为：20%~30%聚醚多元醇、20%~30%聚酯多元醇、5%~8%环戊烷、40%~50%异氰酸酯。该冰箱、冰柜的隔热层采用三明治结构形式，膨胀珍珠岩层能够有效地增强整体强度且能够起到很好的隔音效果，相比于单一的聚氨酯层而言，整体性能得到有效的增强。

Description

一种冰箱、冰柜的隔热层
技术领域
本发明涉及冰箱、冰柜技术领域，尤其涉及一种冰箱、冰柜的隔热层。
背景技术
为保证冰箱、冰柜的隔热保温效果，冰箱和冰柜的内部都设置有相应的隔热层；现有技术中应用于冰箱、冰柜的隔热层普遍为聚氨酯隔热层，且聚氨酯隔热层一般采用一次性注料发泡的方式制备而成。
在实际的生产加工过程中，上述一次性注料发泡的方式存在工艺较为复杂的缺陷；为克服上述工艺方式所存在的不足，现有技术中也存在一种拼装式结构的隔热层，即将聚氨酯隔热层模块化并通过拼装方式将聚氨酯隔热层模块拼合成一整体；然而，聚氨酯隔热层模块强度有限且隔音效果比较差。
发明内容
本发明的目的在于针对现有技术的不足而提供一种冰箱、冰柜的隔热层，该冰箱、冰柜的隔热层整体强度高且隔音效果好。
为达到上述目的，本发明通过以下技术方案来实现。
一种冰箱、冰柜的隔热层，由一上聚氨酯层、一膨胀珍珠岩层以及一下聚氨酯层构成，上聚氨酯层、膨胀珍珠岩层以及下聚氨酯层从上至下依次层叠布置且依次通过胶水粘接；
膨胀珍珠岩层包括有以下组分的物料，具体为：
珍珠岩颗粒    30%~40%
陶瓷颗粒      20%~30%
硅酸钠        10%~20%
水玻璃        8%~10%
水            10%~20%；
其中，珍珠岩颗粒的粒径为30~50微米，陶瓷颗粒的粒径为50~80微米；
上聚氨酯层和下聚氨酯层分别通过以下物料混合发泡而成，具体为：
聚醚多元醇    20%~30%
聚酯多元醇    20%~30%
环戊烷        5%~8%
异氰酸酯      40%~50%。
其中，所述膨胀珍珠岩层包括有以下组分的物料，具体为：
珍珠岩颗粒    35%
陶瓷颗粒      25%
硅酸钠        15%
水玻璃        10%
水            15%。
其中，所述上聚氨酯层和所述下聚氨酯层通过以下物料混合发泡而成，具体为：
聚醚多元醇    25%
聚酯多元醇    25%
环戊烷        5%
异氰酸酯      45%。
本发明的有益效果为：本发明所述的一种冰箱、冰柜的隔热层，其由一上聚氨酯层、一膨胀珍珠岩层以及一下聚氨酯层构成，上聚氨酯层、膨胀珍珠岩层以及下聚氨酯层从上至下依次层叠布置且依次通过胶水粘接；膨胀珍珠岩层包括有以下组分的物料，具体为：30%~40%珍珠岩颗粒、20%~30%陶瓷颗粒、10%~20%硅酸钠、8%~10%水玻璃 、10%~20%水，其中，珍珠岩颗粒的粒径为30~50微米，陶瓷颗粒的粒径为50~80微米；上聚氨酯层和下聚氨酯层通过以下物料混合发泡而成，具体为：20%~30%聚醚多元醇、20%~30%聚酯多元醇 、5%~8%环戊烷 、40%~50%异氰酸酯。该冰箱、冰柜的隔热层采用三明治结构形式，即将上聚氨酯层、膨胀珍珠岩层以及下聚氨酯层三个隔热层复合于一起，膨胀珍珠岩层能够有效地增强整体强度且能够起到很好的隔音效果，相比于单一的聚氨酯层而言，整体性能得到有效的增强。
附图说明
下面利用附图来对本发明进行进一步的说明，但是附图中的实施例不构成对本发明的任何限制。
图1为本发明的结构示意图。
在图1中包括有：
1——上聚氨酯层
2——膨胀珍珠岩层
3——下聚氨酯层。
具体实施方式
    下面结合具体的实施方式来对本发明进行说明。
实施例一，如图1所示，一种冰箱、冰柜的隔热层，由一上聚氨酯层1、一膨胀珍珠岩层2以及一下聚氨酯层3构成，上聚氨酯层1、膨胀珍珠岩层2以及下聚氨酯层3从上至下依次层叠布置且依次通过胶水粘接；
膨胀珍珠岩层2包括有以下组分的物料，具体为：
珍珠岩颗粒    35%
陶瓷颗粒      25%
硅酸钠        15%
水玻璃        10%
水            15%；
其中，珍珠岩颗粒的粒径为30~50微米，陶瓷颗粒的粒径为50~80微米；
上聚氨酯层1和下聚氨酯层3分别通过以下物料混合发泡而成，具体为：
聚醚多元醇    25%
聚酯多元醇    25%
环戊烷        5%
异氰酸酯      45%。
本实施例一的冰箱、冰柜的隔热层采用三明治结构形式，即将上聚氨酯层1、膨胀珍珠岩层2以及下聚氨酯层3三个隔热层复合于一起，膨胀珍珠岩层2能够有效地增强整体强度且能够起到很好的隔音效果，相比于单一的聚氨酯层而言，整体性能得到有效的增强。
 
实施例二，一种冰箱、冰柜的隔热层，由一上聚氨酯层1、一膨胀珍珠岩层2以及一下聚氨酯层3构成，上聚氨酯层1、膨胀珍珠岩层2以及下聚氨酯层3从上至下依次层叠布置且依次通过胶水粘接；
膨胀珍珠岩层2包括有以下组分的物料，具体为：
珍珠岩颗粒    40%
陶瓷颗粒      20%
硅酸钠        12%
水玻璃        8%
水            20%；
其中，珍珠岩颗粒的粒径为30~50微米，陶瓷颗粒的粒径为50~80微米；
上聚氨酯层1和下聚氨酯层3通过以下物料混合发泡而成，具体为：
聚醚多元醇    24%
聚酯多元醇    24%
环戊烷        8%
异氰酸酯      44%。
本实施例二的冰箱、冰柜的隔热层采用三明治结构形式，即将上聚氨酯层1、膨胀珍珠岩层2以及下聚氨酯层3三个隔热层复合于一起，膨胀珍珠岩层2能够有效地增强整体强度且能够起到很好的隔音效果，相比于单一的聚氨酯层而言，整体性能得到有效的增强。
以上内容仅为本发明的较佳实施例，对于本领域的普通技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处，本说明书内容不应理解为对本发明的限制。

Claims (3)

1.一种冰箱、冰柜的隔热层，其特征在于，由一上聚氨酯层（1）、一膨胀珍珠岩层（2）以及一下聚氨酯层（3）构成，上聚氨酯层（1）、膨胀珍珠岩层（2）以及下聚氨酯层（3）从上至下依次层叠布置且依次通过胶水粘接；
膨胀珍珠岩层（2）包括有以下组分的物料，具体为：
珍珠岩颗粒    30%~40%
陶瓷颗粒      20%~30%
硅酸钠        10%~20%
水玻璃        8%~10%
水            10%~20%；
其中，珍珠岩颗粒的粒径为30~50微米，陶瓷颗粒的粒径为50~80微米；
上聚氨酯层（1）和下聚氨酯层（3）分别通过以下物料混合发泡而成，具体为：
聚醚多元醇    20%~30%
聚酯多元醇    20%~30%
环戊烷        5%~8%
异氰酸酯      40%~50%。
2.根据权利要求1所述的一种冰箱、冰柜的隔热层，其特征在于，所述膨胀珍珠岩层（2）包括有以下组分的物料，具体为：
珍珠岩颗粒    35%
陶瓷颗粒      25%
硅酸钠        15%
水玻璃        10%
水            15%。
3.根据权利要求2所述的一种冰箱、冰柜的隔热层，其特征在于，所述上聚氨酯层（1）和所述下聚氨酯层（3）通过以下物料混合发泡而成，具体为：
聚醚多元醇    25%
聚酯多元醇    25%
环戊烷        5%
异氰酸酯      45%。
CN201310294016.3A 2013-07-15 2013-07-15 一种冰箱、冰柜的隔热层 Pending CN104295857A (zh)

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Application publication date: 20150121