CN112761321A - 一种新型环保木塑墙板及其生产工艺 - Google Patents

一种新型环保木塑墙板及其生产工艺 Download PDF

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CN112761321A
CN112761321A CN202011550216.7A CN202011550216A CN112761321A CN 112761321 A CN112761321 A CN 112761321A CN 202011550216 A CN202011550216 A CN 202011550216A CN 112761321 A CN112761321 A CN 112761321A
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parts
wallboard
layer
carrying
particles
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CN112761321B (zh
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李将
王建明
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Gansu Heinar Plastic Industry Co ltd
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Abstract

本发明提供了一种新型环保木塑墙板及其生产工艺，属于木塑复合材料领域。该木塑墙板包括主墙板和辅墙板，主墙板为自上而下设有防水耐磨层、阻燃抗裂层、基材层的多层复合板材，防水耐磨层、阻燃抗裂层、基材层均在侧面四周设有凸条，防水耐磨层与阻燃抗裂层之间还设有保温层，阻燃抗裂层、基材层之间还设有加强层；辅墙板为一体成型板材，切侧面四周设有与所述凸条相匹配的多个凹槽；主墙板和辅墙板的厚度相同，且两者之间插接安装。本发明采用多层复合式结构提高木塑墙板的防火防水、耐磨抗裂性能，使木塑墙板具有强度高、抗弯折能力强、使用寿命长等特点，通过主墙板和辅墙板配合安装，还提高了整体稳定性。

Description

一种新型环保木塑墙板及其生产工艺
技术领域
本发明属于木塑复合材料领域，特别涉及一种新型环保木塑墙板及其生产工艺。
背景技术
传统的建筑墙板大多采用钢筋混凝土或砖砌而成，随着我国建筑业的飞速发展，工业废渣砌块砖以及硅酸盐、硫铝酸盐水泥墙板替代了黏土实心砖。为进一步适应建筑市场的新需求，各种墙板应运而生，包括彩钢板、木胶板、木塑板等。
木塑板是一种主要由木材为基础材料与热塑性高分子材料和加工助剂等，混合均匀后再经模具设备加热挤出成型而制成的绿色环保新型装饰材料，兼有木材和塑料的性能与特征，是能替代木材和塑料的新型复合材料。一般的木塑板作为墙板时硬度、安装稳定性等方面不够。
发明内容
本发明的目的在于提供一种新型环保木塑墙板及其生产工艺，该木塑墙板具有防水防火、耐磨性好、强度高等特点。
为了实现上述目的，本发明采用的技术方案如下：
一种新型环保木塑墙板，包括主墙板和辅墙板，主墙板为自上而下设有防水耐磨层、阻燃抗裂层、基材层的多层复合板材，防水耐磨层、阻燃抗裂层、基材层均在侧面四周设有凸条，防水耐磨层与阻燃抗裂层之间还设有保温层，阻燃抗裂层、基材层之间还设有加强层；辅墙板为一体成型板材，切侧面四周设有与所述凸条相匹配的多个凹槽；主墙板和辅墙板的厚度相同，且两者之间插接安装。
进一步的，本发明的一些优选实施方案中，所述防水耐磨层由如下质量份数的原料制成：废旧塑料颗粒30-35份、植物秸秆40-50份、聚苯乙烯树脂颗粒45-50份、环氧树脂10-12份、聚硅氧烷树脂3-8份、硅烷偶联剂4-7份、木质素磺酸钙1-2份、聚乙烯蜡0.5-1.5份、硬脂酸钙1.6-2.3份、聚乙烯醇 2-5份。
进一步的，本发明的一些优选实施方案中，所述阻燃抗裂层由如下质量份数的原料制成：废旧塑料颗粒25-30份、植物秸秆45-60份、聚丙烯树脂颗粒 35-40份、氢氧化铝1-3份、碳纤维2-3份、铝酸酯偶联剂5-7份、木质素磺酸钙1.4-2.2份、聚乙烯蜡0.6-1.2份、聚乙烯醇2.2-3.6份。
进一步的，本发明的一些优选实施方案中，所述基材层由如下质量份数的原料制成：废旧塑料颗粒45-55份、植物秸秆50-65份、聚氯乙烯颗粒50-70 份、改性膨润土3-6份、硅烷偶联剂6-9份、木质素磺酸钙2-4份、聚乙烯蜡 1.3-3.2份、聚乙烯醇3-4.4份。
进一步的，本发明的一些优选实施方案中，所述保温层为聚氨酯板材。
进一步的，本发明的一些优选实施方案中，所述加强层为1-3层玻璃纤维布。
进一步的，本发明的一些优选实施方案中，所述辅墙板由如下质量份数的原料制成：废旧塑料颗粒35-40份、植物秸秆20-30份、聚丙烯树脂颗粒20-40 份、聚氯乙烯颗粒30-50份、环氧树脂11-13份、硅烷偶联剂9-11份、木质素磺酸钙3.3-5份、聚乙烯蜡1-3份、聚乙烯醇2-3份。
本发明还提供了上述新型环保木塑墙板的生产工艺，包括以下步骤：
(1)将废旧塑料颗粒、聚苯乙烯树脂颗粒投入高速混料机中，在115-130℃下熔融共混15-20min，得到的物料中继续加入植物秸秆、环氧树脂、聚硅氧烷树脂、木质素磺酸钙，在110-120℃下混合搅拌15-20min，得到的物料中再次加入硅烷偶联剂、聚乙烯蜡、硬脂酸钙、聚乙烯醇，在115-125℃下熔融共混 20-25min，得到的物料注入模具型腔，热压成型后，得到防水耐磨层板材；
(2)将废旧塑料颗粒、聚丙烯树脂颗粒投入高速混料机中，在115-130℃下熔融共混15-20min，得到的物料中继续加入植物秸秆、木质素磺酸钙，在 110-120℃下混合搅拌15-20min，得到的物料中再次加入铝酸酯偶联剂、氢氧化铝、碳纤维、聚乙烯蜡、聚乙烯醇，在115-125℃下熔融共混20-25min，得到的物料注入模具型腔，热压成型后，得到阻燃抗裂层板材；
(3)将废旧塑料颗粒、聚氯乙烯颗粒投入高速混料机中，在115-130℃下熔融共混15-20min，得到的物料中继续加入植物秸秆、改性膨润土、木质素磺酸钙，在110-120℃下混合搅拌15-20min，得到的物料中再次加入硅烷偶联剂、聚乙烯蜡、聚乙烯醇，在115-125℃下熔融共混20-25min，得到的物料注入模具型腔，热压成型后，得到基材层板材；
(4)将废旧塑料颗粒、聚丙烯树脂颗粒、聚氯乙烯颗粒投入高速混料机中，在115-130℃下熔融共混15-20min，得到的物料中继续加入植物秸秆、环氧树脂、木质素磺酸钙，在110-120℃下混合搅拌15-20min，得到的物料中再次加入硅烷偶联剂、聚乙烯蜡、聚乙烯醇，在115-125℃下熔融共混20-25min，得到的物料注入模具型腔，热压成型后，得到辅墙板；
(5)在基材层上表面涂布粘合剂后铺压玻璃纤维布，玻璃纤维布上表面上涂布粘合剂后铺压阻燃抗裂层板材，阻燃抗裂层板材上表面涂布粘合剂后铺压聚氨酯板材，聚氨酯板材上表面涂布粘合剂后铺压防水耐磨层板材，得到主墙板。
综上所述，由于采用了上述技术方案，本发明的有益效果是：多层复合式结构提高木塑墙板的防火防水、耐磨抗裂性能，使木塑墙板具有强度高、抗弯折能力强、使用寿命长等特点，通过主墙板和辅墙板配合安装，还提高了整体稳定性。
附图说明
图1为本发明中一实施例的新型环保木塑墙板的主墙板结构示意图；
图2为本发明中一实施例的新型环保木塑墙板的主墙板主视图；
图3为本发明中一实施例的新型环保木塑墙板的辅墙板结构示意图；
图4为本发明中一实施例的新型环保木塑墙板的辅墙板主视图；
图5为本发明中一实施例的新型环保木塑墙板安装时的结构示意图；
图中标记：1-主墙板，11-防水耐磨层，12-阻燃抗裂层，13-基材层，14- 保温层，15-加强层，2-凸条，3-辅墙板，4-凹槽。
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用以解释本发明，并不用于限定本发明。
实施例1
请参阅附图1-5所示，本实施例提供的一种新型环保木塑墙板，包括主墙板和辅墙板，主墙板为自上而下设有防水耐磨层、阻燃抗裂层、基材层的多层复合板材，防水耐磨层、阻燃抗裂层、基材层均在侧面四周设有凸条，防水耐磨层与阻燃抗裂层之间还设有保温层，阻燃抗裂层、基材层之间还设有加强层；辅墙板为一体成型板材，切侧面四周设有与所述凸条相匹配的多个凹槽；主墙板和辅墙板的厚度相同，且两者之间插接安装。
安装时，相邻主墙板之间通过辅墙板卡接拼装。
所述防水耐磨层由废旧塑料颗粒30kg、植物秸秆50kg、聚苯乙烯树脂颗粒 45kg、环氧树脂10kg、聚硅氧烷树脂3kg、硅烷偶联剂4kg、木质素磺酸钙1kg、聚乙烯蜡0.5kg、硬脂酸钙1.6kg、聚乙烯醇2kg组成；将废旧塑料颗粒、聚苯乙烯树脂颗粒投入高速混料机中，在115℃下熔融共混15min，得到的物料中继续加入植物秸秆、环氧树脂、聚硅氧烷树脂、木质素磺酸钙，在110℃下混合搅拌15min，得到的物料中再次加入硅烷偶联剂、聚乙烯蜡、硬脂酸钙、聚乙烯醇，在115℃下熔融共混20min，得到的物料注入模具型腔，热压成型后，得到防水耐磨层板材。
所述阻燃抗裂层由废旧塑料颗粒25kg、植物秸秆45kg、聚丙烯树脂颗粒 35kg、氢氧化铝1kg、碳纤维2kg、铝酸酯偶联剂5kg、木质素磺酸钙1.4kg、聚乙烯蜡0.6kg、聚乙烯醇2.2kg组成；将废旧塑料颗粒、聚丙烯树脂颗粒投入高速混料机中，在115℃下熔融共混15min，得到的物料中继续加入植物秸秆、木质素磺酸钙，在110℃下混合搅拌15min，得到的物料中再次加入铝酸酯偶联剂、氢氧化铝、碳纤维、聚乙烯蜡、聚乙烯醇，在115℃下熔融共混20min，得到的物料注入模具型腔，热压成型后，得到阻燃抗裂层板材。
所述基材层由废旧塑料颗粒45kg、植物秸秆50kg、聚氯乙烯颗粒50kg、改性膨润土3kg、硅烷偶联剂6kg、木质素磺酸钙2kg、聚乙烯蜡1.3kg、聚乙烯醇3kg组成；将废旧塑料颗粒、聚氯乙烯颗粒投入高速混料机中，在115℃下熔融共混15min，得到的物料中继续加入植物秸秆、改性膨润土、木质素磺酸钙，在110℃下混合搅拌15min，得到的物料中再次加入硅烷偶联剂、聚乙烯蜡、聚乙烯醇，在115℃下熔融共混20min，得到的物料注入模具型腔，热压成型后，得到基材层板材。
所述保温层为聚氨酯板材；所述加强层为1层玻璃纤维布。
所述辅墙板由废旧塑料颗粒35kg、植物秸秆20kg、聚丙烯树脂颗粒20kg、聚氯乙烯颗粒30kg、环氧树脂11kg、硅烷偶联剂9kg、木质素磺酸钙3.3kg、聚乙烯蜡1kg、聚乙烯醇2kg组成；将废旧塑料颗粒、聚丙烯树脂颗粒、聚氯乙烯颗粒投入高速混料机中，在115℃下熔融共混15min，得到的物料中继续加入植物秸秆、环氧树脂、木质素磺酸钙，在110℃下混合搅拌15min，得到的物料中再次加入硅烷偶联剂、聚乙烯蜡、聚乙烯醇，在115℃下熔融共混20min，得到的物料注入模具型腔，热压成型后，得到辅墙板。
在基材层上表面涂布粘合剂后铺压玻璃纤维布，玻璃纤维布上表面上涂布粘合剂后铺压阻燃抗裂层板材，阻燃抗裂层板材上表面涂布粘合剂后铺压聚氨酯板材，聚氨酯板材上表面涂布粘合剂后铺压防水耐磨层板材，得到主墙板。
本实施例中，废旧塑料颗粒采用回收的聚乙烯废旧地膜，经清洗、粉碎、熔融、造粒得到；植物纤维采用玉米秸秆，经烘干粉碎成300目粉；粘合剂采用市售产品，型号G-933的巨箭牌专用接着剂。
实施例2
与实施例1不同的是，所述防水耐磨层由废旧塑料颗粒35kg、植物秸秆 40kg、聚苯乙烯树脂颗粒45kg、环氧树脂12kg、聚硅氧烷树脂8kg、硅烷偶联剂7kg、木质素磺酸钙2kg、聚乙烯蜡1.5kg、硬脂酸钙2.3kg、聚乙烯醇5kg；将废旧塑料颗粒、聚苯乙烯树脂颗粒投入高速混料机中，在130℃下熔融共混 20min，得到的物料中继续加入植物秸秆、环氧树脂、聚硅氧烷树脂、木质素磺酸钙，在120℃下混合搅拌20min，得到的物料中再次加入硅烷偶联剂、聚乙烯蜡、硬脂酸钙、聚乙烯醇，在125℃下熔融共混25min，得到的物料注入模具型腔，热压成型后，得到防水耐磨层板材；
所述阻燃抗裂层由废旧塑料颗粒30kg、植物秸秆60kg、聚丙烯树脂颗粒 40kg、氢氧化铝3kg、碳纤维3kg、铝酸酯偶联剂7kg、木质素磺酸钙2.2kg、聚乙烯蜡1.2kg、聚乙烯醇3.6kg组成；将废旧塑料颗粒、聚丙烯树脂颗粒投入高速混料机中，在130℃下熔融共混20min，得到的物料中继续加入植物秸秆、木质素磺酸钙，在120℃下混合搅拌20min，得到的物料中再次加入铝酸酯偶联剂、氢氧化铝、碳纤维、聚乙烯蜡、聚乙烯醇，在125℃下熔融共混25min，得到的物料注入模具型腔，热压成型后，得到阻燃抗裂层板材；
所述基材层由废旧塑料颗粒55kg、植物秸秆50份、聚氯乙烯颗粒70kg、改性膨润土6kg、硅烷偶联剂9kg、木质素磺酸钙4kg、聚乙烯蜡3.2kg、聚乙烯醇4.4kg组成；将废旧塑料颗粒、聚氯乙烯颗粒投入高速混料机中，在130℃下熔融共混20min，得到的物料中继续加入植物秸秆、改性膨润土、木质素磺酸钙，在120℃下混合搅拌20min，得到的物料中再次加入硅烷偶联剂、聚乙烯蜡、聚乙烯醇，在125℃下熔融共混25min，得到的物料注入模具型腔，热压成型后，得到基材层板材。
所述辅墙板由废旧塑料颗粒40kg、植物秸秆20kg、聚丙烯树脂颗粒40kg、聚氯乙烯颗粒50kg、环氧树脂13kg、硅烷偶联剂11kg、木质素磺酸钙5kg、聚乙烯蜡3kg、聚乙烯醇3kg组成；将废旧塑料颗粒、聚丙烯树脂颗粒、聚氯乙烯颗粒投入高速混料机中，在115℃下熔融共混15min，得到的物料中继续加入植物秸秆、环氧树脂、木质素磺酸钙，在110℃下混合搅拌15min，得到的物料中再次加入硅烷偶联剂、聚乙烯蜡、聚乙烯醇，在115℃下熔融共混20min，得到的物料注入模具型腔，热压成型后，得到辅墙板。
实施例3
与实施例1不同的是，所述防水耐磨层由废旧塑料颗粒33kg、植物秸秆 45kg、聚苯乙烯树脂颗粒47kg、环氧树脂11kg、聚硅氧烷树脂5.5kg、硅烷偶联剂5.5kg、木质素磺酸钙1.5kg、聚乙烯蜡1kg、硬脂酸钙2.8kg、聚乙烯醇 2.2kg组成；将废旧塑料颗粒、聚苯乙烯树脂颗粒投入高速混料机中，在125℃下熔融共混20min，得到的物料中继续加入植物秸秆、环氧树脂、聚硅氧烷树脂、木质素磺酸钙，在115℃下混合搅拌20min，得到的物料中再次加入硅烷偶联剂、聚乙烯蜡、硬脂酸钙、聚乙烯醇，在120℃下熔融共混25min，得到的物料注入模具型腔，热压成型后，得到防水耐磨层板材；
所述阻燃抗裂层由废旧塑料颗粒28kg、植物秸秆50kg、聚丙烯树脂颗粒 37kg、氢氧化铝2kg、碳纤维2.5kg、铝酸酯偶联剂6kg、木质素磺酸钙1.8kg、聚乙烯蜡0.9kg、聚乙烯醇2.9kg；将废旧塑料颗粒、聚丙烯树脂颗粒投入高速混料机中，在125℃下熔融共混20min，得到的物料中继续加入植物秸秆、木质素磺酸钙，在115℃下混合搅拌20min，得到的物料中再次加入铝酸酯偶联剂、氢氧化铝、碳纤维、聚乙烯蜡、聚乙烯醇，在120℃下熔融共混25min，得到的物料注入模具型腔，热压成型后，得到阻燃抗裂层板材；
所述基材层由废旧塑料颗粒50kg、植物秸秆55kg、聚氯乙烯颗粒60kg、改性膨润土4.5kg、硅烷偶联剂7.5kg、木质素磺酸钙3kg、聚乙烯蜡2.3kg、聚乙烯醇3.6kg组成；将废旧塑料颗粒、聚氯乙烯颗粒投入高速混料机中，在 125℃下熔融共混20min，得到的物料中继续加入植物秸秆、改性膨润土、木质素磺酸钙，在115℃下混合搅拌20min，得到的物料中再次加入硅烷偶联剂、聚乙烯蜡、聚乙烯醇，在120℃下熔融共混25min，得到的物料注入模具型腔，热压成型后，得到阻燃抗裂层板材；
所述辅墙板由废旧塑料颗粒37kg、植物秸秆25kg、聚丙烯树脂颗粒33kg、聚氯乙烯颗粒40kg、环氧树脂12kg、硅烷偶联剂10kg、木质素磺酸钙4kg、聚乙烯蜡2kg、聚乙烯醇2.5kg组成；将废旧塑料颗粒、聚丙烯树脂颗粒、聚氯乙烯颗粒投入高速混料机中，在120℃下熔融共混20min，得到的物料中继续加入植物秸秆、环氧树脂、木质素磺酸钙，在115℃下混合搅拌20min，得到的物料中再次加入硅烷偶联剂、聚乙烯蜡、聚乙烯醇，在125℃下熔融共混25min，得到的物料注入模具型腔，热压成型后，得到辅墙板。
性能测试
现有木塑墙板采用PE回收料35kg、60目木粉65kg、1000目碳酸钙8kg、加工助剂4kg、UV5310.02kg、抗氧剂1010 0.02kg、抗氧剂AT168 0.02kg和色粉若干，经熔融混料热压成型。现有木塑墙板外观无鼓包、无裂痕、无边角缺损，不同批次有色差；本发明实施例1-3的主墙板、辅墙板均无鼓包、无裂痕、无边角缺损，无色差；对含水率、含水厚度膨胀率、抗弯强度等性能检测，见表1。
Figure BDA0002856943540000081
检测结果表明，本发明的木塑墙板强度高，防水性和耐磨性好。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (8)

1.一种新型环保木塑墙板，其特征在于：包括主墙板和辅墙板，主墙板为自上而下设有防水耐磨层、阻燃抗裂层、基材层的多层复合板材，防水耐磨层、阻燃抗裂层、基材层均在侧面四周设有凸条，防水耐磨层与阻燃抗裂层之间还设有保温层，阻燃抗裂层、基材层之间还设有加强层；辅墙板为一体成型板材，切侧面四周设有与所述凸条相匹配的多个凹槽；主墙板和辅墙板的厚度相同，且两者之间插接安装。
2.根据权利要求1所述新型环保木塑墙板，其特征在于：所述防水耐磨层由如下质量份数的原料制成：废旧塑料颗粒30-35份、植物秸秆40-50份、聚苯乙烯树脂颗粒45-50份、环氧树脂10-12份、聚硅氧烷树脂3-8份、硅烷偶联剂4-7份、木质素磺酸钙1-2份、聚乙烯蜡0.5-1.5份、硬脂酸钙1.6-2.3份、聚乙烯醇2-5份。
3.根据权利要求2所述新型环保木塑墙板，其特征在于：所述阻燃抗裂层由如下质量份数的原料制成：废旧塑料颗粒25-30份、植物秸秆45-60份、聚丙烯树脂颗粒35-40份、氢氧化铝1-3份、碳纤维2-3份、铝酸酯偶联剂5-7份、木质素磺酸钙1.4-2.2份、聚乙烯蜡0.6-1.2份、聚乙烯醇2.2-3.6份。
4.根据权利要求3所述新型环保木塑墙板，其特征在于：所述基材层由如下质量份数的原料制成：废旧塑料颗粒45-55份、植物秸秆50-65份、聚氯乙烯颗粒50-70份、改性膨润土3-6份、硅烷偶联剂6-9份、木质素磺酸钙2-4份、聚乙烯蜡1.3-3.2份、聚乙烯醇3-4.4份。
5.根据权利要求4所述新型环保木塑墙板，其特征在于：所述保温层为聚氨酯板材。
6.根据权利要求5所述新型环保木塑墙板，其特征在于：所述加强层为1-3层玻璃纤维布。
7.根据权利要求6所述新型环保木塑墙板，其特征在于：所述辅墙板由如下质量份数的原料制成：废旧塑料颗粒35-40份、植物秸秆20-30份、聚丙烯树脂颗粒20-40份、聚氯乙烯颗粒30-50份、环氧树脂11-13份、硅烷偶联剂9-11份、木质素磺酸钙3.3-5份、聚乙烯蜡1-3份、聚乙烯醇2-3份。
8.一种如权利要求7所述的新型环保木塑墙板的生产工艺，包括以下步骤：
(1)将废旧塑料颗粒、聚苯乙烯树脂颗粒投入高速混料机中，在115-130℃下熔融共混15-20min，得到的物料中继续加入植物秸秆、环氧树脂、聚硅氧烷树脂、木质素磺酸钙，在110-120℃下混合搅拌15-20min，得到的物料中再次加入硅烷偶联剂、聚乙烯蜡、硬脂酸钙、聚乙烯醇，在115-125℃下熔融共混20-25min，得到的物料注入模具型腔，热压成型后，得到防水耐磨层板材；
(2)将废旧塑料颗粒、聚丙烯树脂颗粒投入高速混料机中，在115-130℃下熔融共混15-20min，得到的物料中继续加入植物秸秆、木质素磺酸钙，在110-120℃下混合搅拌15-20min，得到的物料中再次加入铝酸酯偶联剂、氢氧化铝、碳纤维、聚乙烯蜡、聚乙烯醇，在115-125℃下熔融共混20-25min，得到的物料注入模具型腔，热压成型后，得到阻燃抗裂层板材；
(3)将废旧塑料颗粒、聚氯乙烯颗粒投入高速混料机中，在115-130℃下熔融共混15-20min，得到的物料中继续加入植物秸秆、改性膨润土、木质素磺酸钙，在110-120℃下混合搅拌15-20min，得到的物料中再次加入硅烷偶联剂、聚乙烯蜡、聚乙烯醇，在115-125℃下熔融共混20-25min，得到的物料注入模具型腔，热压成型后，得到基材层板材；
(4)将废旧塑料颗粒、聚丙烯树脂颗粒、聚氯乙烯颗粒投入高速混料机中，在115-130℃下熔融共混15-20min，得到的物料中继续加入植物秸秆、环氧树脂、木质素磺酸钙，在110-120℃下混合搅拌15-20min，得到的物料中再次加入硅烷偶联剂、聚乙烯蜡、聚乙烯醇，在115-125℃下熔融共混20-25min，得到的物料注入模具型腔，热压成型后，得到辅墙板；
(5)在基材层上表面涂布粘合剂后铺压玻璃纤维布，玻璃纤维布上表面上涂布粘合剂后铺压阻燃抗裂层板材，阻燃抗裂层板材上表面涂布粘合剂后铺压聚氨酯板材，聚氨酯板材上表面涂布粘合剂后铺压防水耐磨层板材，得到主墙板。
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