CN111441555A - 一种spc石塑地板及其制备方法 - Google Patents
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Abstract
本发明公开了一种SPC石塑地板及其制备方法，本发明的SPC石塑地板自下向上依次包括塑胶平衡层、石塑基材层、彩膜装饰层、PVC耐磨层以及UV涂层；所述石塑基材层的两侧开有相配合的锁扣槽；所述石塑基材层的原料包括以下质量组份：PVC100份、CPE15‑30份、碳酸钙200‑300份、A4分子筛10‑15份、聚乙烯蜡8‑10份、硅烷类表面活性剂1‑3份、亚磷酸酯型液体钡镉锌复合热稳定剂3‑5份、丁基羟基茴香醚0.5‑1份。本发明的通过CPE改性PVC，通过亚磷酸酯型液体钡镉锌复合热稳定剂与丁基羟基茴香醚提高PVC稳定性，通过A4分子筛进一步提高CPE改性效果和PVC稳定性，本发明的SPC石塑地板具有良好的抗冲击强度和尺寸稳定性，尺寸收缩率小于1‰，不易变形、翘曲及产生拼接离缝。
Description
技术领域
本发明涉及一种SPC石塑地板及其制备方法，属于建筑材料领域。
背景技术
石塑地板(SPC)是一种多层结构PVC片材地板，具有超薄超轻、耐磨高弹、防水防潮、铺装方便、使用寿命长等特点，广泛用于室内地面装饰。
石塑地板一般包括基材层、装饰层、耐磨层等多层结构，其基材层以天然石粉(碳酸钙粉)和高分子树脂(聚氯乙烯)为主要原料通过热融合工艺挤出成型。在熔融时由于天然石粉与PVC材料不能发生化学反应，两种材料的热收缩比相差较大，同时由于PVC材料热稳定性较差，热挤出成型的基材尺寸收缩率高，导致地板尺寸变化大，易产生拼接离缝、变形和翘曲等不足。
发明内容
针对上述不足，本发明提供一种SPC石塑地板及其制备方法，本发明采用的技术方案为：
一种SPC石塑地板，其自下向上依次包括塑胶平衡层、石塑基材层、彩膜装饰层、PVC耐磨层以及UV涂层；所述石塑基材层的两侧开有相配合的锁扣槽。
所述石塑基材层的原料包括以下质量组份：PVC100份、CPE15-30份、碳酸钙200-300份、A4分子筛10-15份、聚乙烯蜡8-10份、硅烷类表面活性剂1-3份、亚磷酸酯型液体钡镉锌复合热稳定剂3-5份、丁基羟基茴香醚0.5-1份。
一种SPC石塑地板的制备方法，其步骤包括：
(1)将碳酸钙、A4分子筛及硅烷类表面活性剂搅拌混合均匀后加热至120-130℃备用；
(2)将PVC与CPE搅拌混合均匀加热至半熔融状态；
(3)将步骤(1)制备的物料、聚乙烯蜡、亚磷酸酯型液体钡镉锌复合热稳定剂及丁基羟基茴香醚加入步骤(2)制备的半熔融物料中，搅拌混合均匀后经双螺杆挤出机及挤出模具挤出成型，经冷却后得石塑基材层；
(4)将塑胶平衡层、彩膜装饰层及PVC耐磨层预热后通过热辊压生产线与石塑基材层热压覆合，然后在PVC耐磨层表面涂覆UV涂层，固化处理后得SPC石塑地板半成品；
(5)通过开槽机对石塑基材层开设锁扣槽，即得SPC石塑地板。
进一步地，所述双螺杆挤出机的挤出温度为160-180℃。
进一步地，所述挤出模具的温度为180-200℃。
进一步地，所述塑胶平衡层、彩膜装饰层及PVC耐磨层的预热100-120℃。
进一步地，所述热辊压生产线的辊压温度为120-180℃。
与现有技术相比，本发明的有益效果在于：本发明的通过CPE改性PVC，通过亚磷酸酯型液体钡镉锌复合热稳定剂与丁基羟基茴香醚提高PVC稳定性，通过A4分子筛进一步提高CPE改性效果和PVC稳定性，本发明的SPC石塑地板具有良好的抗冲击强度和尺寸稳定性，尺寸收缩率小于1‰，不易变形、翘曲及产生拼接离缝。
具体实施方式
下面结合实施例对本发明的制备方法做进一步的描述。
实施例：
一种SPC石塑地板，其自下向上依次包括塑胶平衡层、石塑基材层、彩膜装饰层、PVC耐磨层以及UV涂层；所述石塑基材层的两侧开有相配合的锁扣槽。
所述石塑基材层的原料包括以下质量组份：PVC100份、CPE25份、碳酸钙280份、A4分子筛15份、聚乙烯蜡10份、硅烷类表面活性剂3份、亚磷酸酯型液体钡镉锌复合热稳定剂4份、丁基羟基茴香醚0.8份。
一种SPC石塑地板的制备方法，其步骤包括：
(1)将碳酸钙、A4分子筛及硅烷类表面活性剂搅拌混合均匀后加热至120-130℃备用；
(2)将PVC与CPE搅拌混合均匀加热至半熔融状态；
(3)将步骤(1)制备的物料、聚乙烯蜡、亚磷酸酯型液体钡镉锌复合热稳定剂及丁基羟基茴香醚加入步骤(2)制备的半熔融物料中，搅拌混合均匀后经双螺杆挤出机及挤出模具挤出成型，经冷却后得石塑基材层；
(4)将塑胶平衡层、彩膜装饰层及PVC耐磨层预热后通过热辊压生产线与石塑基材层热压覆合，然后在PVC耐磨层表面涂覆UV涂层，固化处理后得SPC石塑地板半成品；
(5)通过开槽机对石塑基材层开设锁扣槽，即得SPC石塑地板。
进一步地，所述双螺杆挤出机的挤出温度为165℃。
进一步地，所述挤出模具的温度为185℃。
进一步地，所述塑胶平衡层、彩膜装饰层及PVC耐磨层的预热110℃。
进一步地，所述热辊压生产线的辊压温度为160℃。
本发明的通过CPE改性PVC，通过亚磷酸酯型液体钡镉锌复合热稳定剂与丁基羟基茴香醚提高PVC稳定性，通过A4分子筛进一步提高CPE改性效果和PVC稳定性，本发明的SPC石塑地板具有良好的抗冲击强度和尺寸稳定性，尺寸收缩率小于1‰，不易变形、翘曲及产生拼接离缝。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书内容所作的等同变换，或直接或间接运用在相关的技术领域，均同理包括在本发明的专利保护范围内。
Claims (3)
1.一种SPC石塑地板，其特征在于：其自下向上依次包括塑胶平衡层、石塑基材层、彩膜装饰层、PVC耐磨层以及UV涂层；所述石塑基材层的两侧开有相配合的锁扣槽；
所述石塑基材层的原料包括以下质量组份：PVC100份、CPE15-30份、碳酸钙200-300份、A4分子筛10-15份、聚乙烯蜡8-10份、硅烷类表面活性剂1-3份、亚磷酸酯型液体钡镉锌复合热稳定剂3-5份、丁基羟基茴香醚0.5-1份。
2.如权利要求1所述的一种SPC石塑地板的制备方法，其特征在于，其步骤包括：
(1)将碳酸钙、A4分子筛及硅烷类表面活性剂搅拌混合均匀后加热至120-130℃备用；
(2)将PVC与CPE搅拌混合均匀加热至半熔融状态；
(3)将步骤(1)制备的物料、聚乙烯蜡、亚磷酸酯型液体钡镉锌复合热稳定剂及丁基羟基茴香醚加入步骤(2)制备的半熔融物料中，搅拌混合均匀后经双螺杆挤出机及挤出模具挤出成型，经冷却后得石塑基材层；
(4)将塑胶平衡层、彩膜装饰层及PVC耐磨层预热后通过热辊压生产线与石塑基材层热压覆合，然后在PVC耐磨层表面涂覆UV涂层，固化处理后得SPC石塑地板半成品；
(5)通过开槽机对石塑基材层开设锁扣槽，即得SPC石塑地板。
3.根据权利要求1所述的一种SPC石塑地板的制备方法，其特征在于，所述双螺杆挤出机的挤出温度为160-180℃，所述挤出模具的温度为180-200℃，所述塑胶平衡层、彩膜装饰层及PVC耐磨层的预热100-120℃，所述热辊压生产线的辊压温度为120-180℃。
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113123559A (zh) * | 2021-03-29 | 2021-07-16 | 苏州美诺护新材料科技研发有限公司 | 一种抗变形型spc地板及制备方法 |
| CN113276495A (zh) * | 2021-05-27 | 2021-08-20 | 福建思嘉新材料科技有限公司 | 一种仿地毯的pvc石塑地板及其加工方法和装置 |
| CN113480891A (zh) * | 2021-07-13 | 2021-10-08 | 常州市贝美家居科技有限公司 | 3d打印油墨及其制备方法、spc地板及其制备方法 |
| CN113565290A (zh) * | 2021-08-25 | 2021-10-29 | 无锡市博大竹木业有限公司 | 一种高热稳定性spc地板及其制作方法 |
| US11285694B1 (en) | 2020-12-31 | 2022-03-29 | Zhejiang Yongyu Furniture Co., Ltd. | Composite decorative board and manufacturing method thereof |
-
2020
- 2020-04-03 CN CN202010261064.2A patent/CN111441555A/zh active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11285694B1 (en) | 2020-12-31 | 2022-03-29 | Zhejiang Yongyu Furniture Co., Ltd. | Composite decorative board and manufacturing method thereof |
| CN113123559A (zh) * | 2021-03-29 | 2021-07-16 | 苏州美诺护新材料科技研发有限公司 | 一种抗变形型spc地板及制备方法 |
| CN113276495A (zh) * | 2021-05-27 | 2021-08-20 | 福建思嘉新材料科技有限公司 | 一种仿地毯的pvc石塑地板及其加工方法和装置 |
| CN113480891A (zh) * | 2021-07-13 | 2021-10-08 | 常州市贝美家居科技有限公司 | 3d打印油墨及其制备方法、spc地板及其制备方法 |
| CN113565290A (zh) * | 2021-08-25 | 2021-10-29 | 无锡市博大竹木业有限公司 | 一种高热稳定性spc地板及其制作方法 |
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