CN113895115A - 一种pvc发泡地板及其加工方法 - Google Patents

一种pvc发泡地板及其加工方法 Download PDF

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CN113895115A
CN113895115A CN202111388176.5A CN202111388176A CN113895115A CN 113895115 A CN113895115 A CN 113895115A CN 202111388176 A CN202111388176 A CN 202111388176A CN 113895115 A CN113895115 A CN 113895115A
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layer
pvc
foaming
glass fiber
floor
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董旭飞
陈文馨
周卫清
李文宝
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Armstrong Floor Materials China Co Ltd
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Abstract

本发明公开了一种PVC发泡地板及其加工方法，包括发泡地板主体，所述发泡地板主体从上到下依次设置有顶、上基层、无方向性玻璃纤维层、下基层、网格玻璃纤维层、第一发泡层和第二发泡层，所述顶设置在上基层的一侧，所述上基层另一侧设置有层，所述无方向性玻璃纤维层远离上基层一侧设置有下基层，所述下基层远离无方向性玻璃纤维层一侧设置有网格玻璃纤维层，所述网格玻璃纤维层远离无方向性玻璃纤维层一侧设置有第一发泡层，所述第一发泡层远离网格玻璃纤维层一侧设置有第二发泡层。该种一种PVC发泡地板及其加工方法，在对发泡层的PVC地板的发泡层的PVC溶胶配方方面具有较好的实用性。

Description

一种PVC发泡地板及其加工方法
技术领域
本发明涉及PVC发泡地板的发泡层配方技术领域，具体为一种PVC发泡地板及其加工方法。
背景技术
带发泡层的PVC地板是市场上很常见的弹性地材，包括总厚度为2mm、3mm、4mm等复合地板，以及含PVC发泡层的运动地板。
传统的PVC发泡地板的发泡层的制备工艺是:
在混料罐中加入乳化法的PVC粉，增塑剂(如DINP、DOTP、DOP等)，环氧大豆油，液体稳定剂，偶氮发泡剂，锌类催化剂等化学物质。
然后把混合好的PVC溶胶涂布在基布、离型纸或者基材上，在烘箱中高温发泡，并冷却成型，制成发泡层。
传统的PVC发泡层发泡倍率、反弹性能、残留凹陷性能、隔声测试值、石粉含量等性能都有待提高。因此我们对此做出改进，提出一种PVC发泡地板及其加工方法。
发明内容
为了解决上述技术问题，本发明提供了如下的技术方案：
本发明一种PVC发泡地板，包括发泡地板主体，所述发泡地板主体从上到下依次设置有顶层、上基层、无方向性玻璃纤维层、下基层、网格玻璃纤维层、第一发泡层和第二发泡层，所述顶层设置在上基层的一侧，所述上基层另一侧设置有无方向性玻璃纤维层，所述无方向性玻璃纤维层远离上基层一侧设置有下基层，所述下基层远离无方向性玻璃纤维层一侧设置有网格玻璃纤维层，所述网格玻璃纤维层远离无方向性玻璃纤维层一侧设置有第一发泡层，所述第一发泡层远离网格玻璃纤维层一侧设置有第二发泡层。
作为本发明的一种优选技术方案，所述上基层和下基层为PVC密实层或PVC基层的其中一种，所述顶层为PVC耐磨层或纯色PVC膜的其中一种，所述第一发泡层和第二发泡层内部设置有发泡溶胶。
作为本发明的一种优选技术方案，所述第一发泡层、第二发泡层内均添加有泡孔增强剂，所述泡孔增强剂的添加量是溶胶配方的总质量0.1％～20％。
作为本发明的一种优选技术方案，所述泡孔增强剂的种类为超细度的碳酸钙填料、丙烯酸类的添加剂和MBS树脂(甲基丙烯酸甲酯(M)、丁二烯(B)及苯乙烯(S))的三元共聚物，和CPE(氯化聚乙烯)和CPVC(氯化聚氯乙烯)的一种或多种。
作为本发明的一种优选技术方案，所述碳酸钙填料的细度小于800目，所述丙烯酸类的添加剂为丙烯酸酯同甲基丙烯酸金属盐的共聚物，且分子量从1000到1,000,000。
一种PVC发泡地板的加工方法，包括以下几个步骤：
S1)在PVC发泡层溶胶中加入添加剂，包括超细度的碳酸钙填料、丙烯酸类的添加剂和MBS树脂(甲基丙烯酸甲酯(M)、丁二烯(B)及苯乙烯(S))的三元共聚物CPE(氯化聚乙烯)和CPVC(氯化聚氯乙烯)的一种或多种；
S2)把液体PVC溶胶涂布在基布、离型纸和PVC基材上，通过烘箱高温下发泡反应并冷却；
S3)PVC的发泡溶胶的内部设有乳化法PVC、增塑剂、稳定剂，环氧大豆油和碳酸钙物质；
S4)乳化PVC的聚合度从750～1900,增塑剂包括邻苯二甲酸二(2-乙基己基)酯(DEHP)、对苯二甲酸二辛酯(DOTP)和邻苯二甲酸二异壬酯(DINP)。
作为本发明的一种优选技术方案，所述发泡溶胶的乳化PVC聚合度为750～1900，所述增塑剂包括邻苯二甲酸二(2-乙基己基)酯(DEHP)、对苯二甲酸二辛酯(DOTP)和邻苯二甲酸二异壬酯(DINP)。
作为本发明的一种优选技术方案，所述发泡溶胶内部设有液体稳定剂、环氧大豆油、碳酸钙、偶氮二甲酰胺发泡剂和锌类发泡催化剂，且烘箱的温度设定为180C～220℃。
本发明的有益效果是：
1、该种一种PVC发泡地板及其加工方法，通过添加有泡孔增强剂，在发泡溶胶中加入泡孔增强剂，增强PVC泡孔的泡壁的强度和韧性，能提高发泡倍率，增加反弹性能，减少残留凹陷性能，提高震动吸收性能，增加隔声测试值，并可以提高石粉含量等性能；
2、该种一种PVC发泡地板及其加工方法，通过添加泡孔增强剂，可以增加发泡层的泡孔壁的稳固性，提高PVC的发泡层的抗压性，并使泡孔的反弹性变强，并能更加稳定的增加PVC发泡层的发泡倍率，降低生产成本，提高PVC发泡地方的各项物理性能。
附图说明
附图用来提供对本发明的进一步理解，并且构成说明书的一部分，与本发明的实施例一起用于解释本发明，并不构成对本发明的限制。
在附图中：
图1是本发明一种PVC发泡地板及其加工方法的第一结构立体图；
图2是本发明一种PVC发泡地板及其加工方法的第二结构立体图；
图3是本发明一种PVC发泡地板及其加工方法的第三结构立体图；
图4是本发明一种PVC发泡地板及其加工方法的主体立体图；
图5是本发明一种PVC发泡地板及其加工方法的配方流程图。
图中：1、顶层；101、纯色PVC膜；2、上基层；201、下基层；3、无方向性玻璃纤维层；4、网格玻璃纤维层；5、第一发泡层；6、第二发泡层；7、发泡地板主体。
具体实施方式
以下结合附图对本发明的优选实施例进行说明，应当理解，此处所描述的优选实施例仅用于说明和解释本发明，并不用于限定本发明。
实施例：如图1-5所示，本发明一种PVC发泡地板，包括发泡地板主体7，发泡地板主体7从上到下依次设置有顶层1、上基层2、无方向性玻璃纤维层3、下基层201、网格玻璃纤维层4、第一发泡层5和第二发泡层6，顶层1设置在上基层2的一侧，上基层2另一侧设置有无方向性玻璃纤维层3，无方向性玻璃纤维层3远离上基层2一侧设置有下基层201，下基层201远离无方向性玻璃纤维层3一侧设置有网格玻璃纤维层4，网格玻璃纤维层4远离无方向性玻璃纤维层3一侧设置有第一发泡层5，第一发泡层5远离网格玻璃纤维层4一侧设置有第二发泡层6。
其中，上基层2和下基层201为PVC密实层或PVC基层的其中一种，顶层1为PVC耐磨层或纯色PVC膜的其中一种，第一发泡层5和第二发泡层6内部设置有发泡溶胶。
其中，第一发泡层5、第二发泡层6内均添加有泡孔增强剂，所述泡孔增强剂的添加量是溶胶配方的总质量0.1％～20％。
其中，所述泡孔增强剂的种类为超细度的碳酸钙填料、丙烯酸类的添加剂和MBS树脂(甲基丙烯酸甲酯(M)、丁二烯(B)及苯乙烯(S))的三元共聚物，和CPE(氯化聚乙烯)和CPVC(氯化聚氯乙烯)的一种或多种。
其中，所述碳酸钙填料的细度小于800目，所述丙烯酸类的添加剂为丙烯酸酯同甲基丙烯酸金属盐的共聚物，且分子量从1000到1,000,000。
一种PVC发泡地板的加工方法，包括以下几个步骤：
S1)在PVC发泡层溶胶中加入添加剂，包括超细度的碳酸钙填料、丙烯酸类的添加剂和MBS树脂(甲基丙烯酸甲酯(M)、丁二烯(B)及苯乙烯(S))的三元共聚物CPE(氯化聚乙烯)和CPVC(氯化聚氯乙烯)的一种或多种；
S2)把液体PVC溶胶涂布在基布、离型纸和PVC基材上，通过烘箱高温下发泡反应并冷却；
S3)PVC的发泡溶胶的内部设有乳化法PVC、增塑剂、稳定剂，环氧大豆油和碳酸钙物质；
S4)乳化PVC的聚合度从750～1900,增塑剂包括邻苯二甲酸二(2-乙基己基)酯(DEHP)、对苯二甲酸二辛酯(DOTP)和邻苯二甲酸二异壬酯(DINP)。
其中，所述发泡溶胶的乳化PVC聚合度为750～1900，所述增塑剂包括邻苯二甲酸二(2-乙基己基)酯(DEHP)、对苯二甲酸二辛酯(DOTP)和邻苯二甲酸二异壬酯(DINP)。
其中，所述发泡溶胶内部设有液体稳定剂、环氧大豆油、碳酸钙、偶氮二甲酰胺发泡剂和锌类发泡催化剂，且烘箱的温度设定为180C～220℃。
工作原理：
实施例1
如图1所示的是PVC发泡地板的结构图，包括PVC耐磨层1，上基层2，无方向性玻璃纤维层3，下基层201，网格玻璃纤维层4，第一发泡层5，第二发泡层6。
实施例2
如图2所示的是PVC发泡地板的结构图，包括PVC耐磨层1，上基层2，无方向性玻璃纤维层3，下基层201，第一发泡层5。
实施例3
如图3所示的是PVC发泡地板的结构图，包括纯色PVC膜1，PVC上基层2，无方向性玻璃纤维层3，下基层201，网格玻璃纤维层4，第一发泡层5。
最后应说明的是：在本发明的描述中，需要说明的是，术语“竖直”、“上”、“下”、“水平”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
在本发明的描述中，还需要说明的是，除非另有明确的规定和限定，术语“设置”、“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (8)

1.一种PVC发泡地板，包括发泡地板主体(7)，其特征在于，所述发泡地板主体(7)从上到下依次设置有顶层(1)、上基层(2)、无方向性玻璃纤维层(3)、下基层(201)、网格玻璃纤维层(4)、第一发泡层(5)和第二发泡层(6)，所述顶层(1)设置在上基层(2)的一侧，所述上基层(2)另一侧设置有无方向性玻璃纤维层(3)，所述无方向性玻璃纤维层(3)远离上基层(2)一侧设置有下基层(201)，所述下基层(201)远离无方向性玻璃纤维层(3)一侧设置有网格玻璃纤维层(4)，所述网格玻璃纤维层(4)远离无方向性玻璃纤维层(3)一侧设置有第一发泡层(5)，所述第一发泡层(5)远离网格玻璃纤维层(4)一侧设置有第二发泡层(6)。
2.根据权利要求1所述的一种PVC发泡地板，其特征在于，所述上基层(2)和下基层(201)为PVC密实层或PVC基层的其中一种，所述顶层(1)为PVC耐磨层或纯色PVC膜的其中一种，所述第一发泡层(5)和第二发泡层(6)内部设置有发泡溶胶。
3.根据权利要求1所述的一种PVC发泡地板，其特征在于，所述第一发泡层(5)、第二发泡层(6)内均添加有泡孔增强剂，所述泡孔增强剂的添加量是溶胶配方的总质量0.1％～20％。
4.根据权利要求3所述的一种PVC发泡地板，其特征在于，所述泡孔增强剂的种类为超细度的碳酸钙填料、丙烯酸类的添加剂和MBS树脂(甲基丙烯酸甲酯(M)、丁二烯(B)及苯乙烯(S))的三元共聚物，和CPE(氯化聚乙烯)和CPVC(氯化聚氯乙烯)的一种或多种。
5.根据权利要求3所述的一种PVC发泡地板，其特征在于，所述碳酸钙填料的细度小于800目，所述丙烯酸类的添加剂为丙烯酸酯同甲基丙烯酸金属盐的共聚物，且分子量从1000到1,000,000。
6.一种PVC发泡地板的加工方法，其特征在于，包括以下几个步骤：
S1)在PVC发泡层溶胶中加入添加剂，包括超细度的碳酸钙填料、丙烯酸类的添加剂和MBS树脂(甲基丙烯酸甲酯(M)、丁二烯(B)及苯乙烯(S))的三元共聚物CPE(氯化聚乙烯)和CPVC(氯化聚氯乙烯)的一种或多种；
S2)把液体PVC溶胶涂布在基布、离型纸和PVC基材上，通过烘箱高温下发泡反应并冷却；
S3)PVC的发泡溶胶的内部设有乳化法PVC、增塑剂、稳定剂，环氧大豆油和碳酸钙物质；
S4)乳化PVC的聚合度从750～1900,增塑剂包括邻苯二甲酸二(2-乙基己基)酯(DEHP)、对苯二甲酸二辛酯(DOTP)和邻苯二甲酸二异壬酯(DINP)。
7.根据权利要求6所述的一种PVC发泡地板的加工方法，其特征在于，所述发泡溶胶的乳化PVC聚合度为750～1900，所述增塑剂包括邻苯二甲酸二(2-乙基己基)酯(DEHP)、对苯二甲酸二辛酯(DOTP)和邻苯二甲酸二异壬酯(DINP)。
8.根据权利要求7所述的一种PVC发泡地板的加工方法，其特征在于，所述发泡溶胶内部设有液体稳定剂、环氧大豆油、碳酸钙、偶氮二甲酰胺发泡剂和锌类发泡催化剂，且烘箱的温度设定为180C～220℃。
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