CN107654016A - 一种轻质墙板的生产工艺 - Google Patents

一种轻质墙板的生产工艺 Download PDF

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CN107654016A
CN107654016A CN201710983053.3A CN201710983053A CN107654016A CN 107654016 A CN107654016 A CN 107654016A CN 201710983053 A CN201710983053 A CN 201710983053A CN 107654016 A CN107654016 A CN 107654016A
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张奎
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FUJIAN MINGDUN BUILDING MATERIALS Co Ltd
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    • E04C2/2885Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material with the insulating material being completely surrounded by, or embedded in, a stone-like material, e.g. the insulating material being discontinuous
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Abstract

本发明公开了一种轻质墙板的生产工艺,包括以下步骤:S1、聚苯乙烯发泡浆料的配料和混合;S2、硅酸钙板与聚苯乙烯发泡浆料的结合,包括硅酸钙板的固定、聚苯乙烯发泡浆料的浇注至模具中、转移至聚苯乙烯发泡装置进行发泡、采用梯度降温进行冷却成型、脱模,即得双面含硅酸钙的轻质复合墙板。本发明提出的制备工艺,重现性好,工艺稳定,人力、物力少,配料的准确性高,生产过程中的人为误差小,生产效率高,且制备的轻质墙板生产成本低,产品的美观度高,硅酸钙板与聚苯乙烯浆料间的结合力强,使用寿命长,保温性能和阻燃性能优异。

Description

一种轻质墙板的生产工艺
技术领域
本发明涉及建筑材料生产工艺技术领域,尤其涉及一种轻质墙板的生产工艺。
背景技术
复合墙板是一种工业化生产的新一代高性能建筑内隔板,由多种建筑材料复合而成,代替了传统的砖瓦,它具有环保节能无污染,轻质抗震、防火、保温、隔音、施工快捷的明显优点。
目前市面上的复合墙板主要是由基板和芯材两部分组成,其中芯材的上层和下层分别通过粘结剂与基板相固定。在生产过程中要分别生产芯材和基板,且芯材和基板的尺寸要匹配,粘合时基板和芯材的位置要固定,致使在复合墙板生产过程芯材废角料较多、芯材和基本的准确粘合难度大,生产的复合墙板中芯材和基板的附着力不强、芯材边缘和基板边缘参差不齐,影响复合墙板的美观程度和使用寿命。基于上述现有技术中存在的不足,本发明提出一种轻质墙板的生产工艺。
发明内容
本发明的目的是为了解决现有技术中存在的缺点,而提出的一种轻质墙板的生产工艺。
一种轻质墙板的生产工艺,包括以下步骤:
S1、配料:将聚苯乙烯加入到含有乙苯的反应器中,并向反应器中加入磷酸三丁酯和JWEB50,边搅拌边升高反应器的温度,进行聚合反应,并跟踪反应进行情况,判断聚合反应进行情况,待聚合反应结束后向反应器中加入链终止剂,继续搅拌10~30min,然后向反应器中依次加入骨料、白炭黑、远红外陶瓷粉、乙撑基双硬质酰胺、聚乙烯蜡、硅酸钠、戊烷和可膨胀石墨,搅拌均匀即得聚苯乙烯发泡浆料;
S2、浇注、发泡、冷却成型和脱模:将两块相同规格的硅酸钙板放置于浇注模具的基板位置上,并进行固定,再将S1步骤制备的聚苯乙烯发泡浆料注入到模具中,并转移至聚苯乙烯发泡装置中进行发泡,再进行梯度降温至室温进行脱模,即得双面含硅酸钙的轻质复合墙板。
优选的,所述聚苯乙烯发泡浆料包括以下重量份的原料:聚苯乙烯56~76份,苯乙烯40~60份,JWEB50 0.02~0.08份,链终止剂0.2~0.8份,骨料5~10份,白炭黑3~8份,可膨胀石墨5~10份,乙撑基双硬质酰胺3~6份,聚乙烯蜡1.5~3份,硅酸钠4~8份,戊烷8~16份,乙苯35~55份,磷酸三丁酯55~75份。
优选的,所述聚苯乙烯发泡浆料包括以下重量份的原料:聚苯乙烯58~72份,苯乙烯44~54份,JWEB50 0.03~0.06份,链终止剂0.4~0.6份,骨料6~10份,白炭黑3~8份,可膨胀石墨6~10份,乙撑基双硬质酰胺4~6份,聚乙烯蜡2~3份,硅酸钠4~8份,戊烷8~16份,乙苯40~50份,磷酸三丁酯60~70份。
优选的,所述聚苯乙烯发泡浆料包括以下重量份的原料:聚苯乙烯66份,苯乙烯48份,JWEB50 0.05份,链终止剂0.5份,骨料8份,白炭黑5份,可膨胀石墨8份,乙撑基双硬质酰胺5份,聚乙烯蜡2.5份,硅酸钠6份,戊烷12份,乙苯45份,磷酸三丁酯65份。
优选的,所述聚苯乙烯和苯乙烯的质量比1.3~1.6:1。
优选的,所述S1步骤中的根据反应进行情况的具体操作为每隔20~40min,取反应器中的反应溶液进行检测,并根据检测结果中是否含有苯乙烯来判断反应的进行情况,当检测结果中显示反应溶液中不含苯乙烯或苯乙烯的含量降至不再随反应时间的延长而降低,则判定为反应完全,即为聚合反应结束。
优选的,所述配料过程使用的是自动配料器,所述浇注过程使用的是自动振动浇注成型机。
优选的,所述梯度降温的程序为:0~20min以3℃/min的速度降温,20~30min以5℃/min的速度降温,30min以上以8℃/min的速度降温。
本发明提出的制备工艺,重现性好,工艺稳定,采用全自动设备对轻质墙板的原料进行配料、混合和浇注成型,节省人力、物力,保证配料的准确性,减少生产过程中的人为误差,提高生产效率;轻质墙板采用浇注的方式制备而成,有效避免了废角料的产生,进而降低生产成本,提高产品的美观度,还可以有效提高硅酸钙板与聚苯乙烯浆料间的结合力,延长轻质墙板的使用寿命;生产过程中使用的聚苯乙烯发泡浆料通过聚苯乙烯、苯乙烯、JWEB50、链终止剂、骨料、白炭黑、可膨胀石墨、乙撑基双硬质酰胺、聚乙烯蜡、硅酸钠、戊烷、乙苯和磷酸三丁酯的合理复配,提高了轻质墙板的保温性能和阻燃性能,且苯乙烯发泡浆料在制备过程中各原料的添加顺序合理,各原料的分散性和相容性好,发泡效果好。
具体实施方式
下面结合具体实施例对本发明作进一步解说。
实施例一
本发明提出的一种轻质墙板的生产工艺,包括以下步骤:
S1、配料:将聚苯乙烯加入到含有乙苯的反应器中,并向反应器中加入磷酸三丁酯和JWEB50,边搅拌边升高反应器的温度,进行聚合反应,每隔30min,取反应器中的反应溶液进行检测,并根据检测结果中是否含有苯乙烯来判断反应的进行情况,当检测结果中显示反应溶液中不含苯乙烯或苯乙烯的含量降至不再随反应时间的延长而降低,则判定为反应完全,即为聚合反应结束,待聚合反应结束后向反应器中加入链终止剂,继续搅拌30min,然后向反应器中依次加入骨料、白炭黑、远红外陶瓷粉、乙撑基双硬质酰胺、聚乙烯蜡、硅酸钠、戊烷和可膨胀石墨,搅拌均匀即得聚苯乙烯发泡浆料;
S2、浇注、发泡、冷却成型和脱模:将两块相同规格的硅酸钙板放置于浇注模具的基板位置上,并进行固定,再将S1步骤制备的聚苯乙烯发泡浆料注入到模具中,并转移至聚苯乙烯发泡装置中进行发泡,再进行梯度降温至室温,梯度降温的程序为:0~20min以3℃/min的速度降温,20~30min以5℃/min的速度降温,30min以上以8℃/min的速度降温,温度降至室温后进行脱模,即得双面含硅酸钙的轻质复合墙板。
本发明中,所述聚苯乙烯发泡浆料包括以下重量份的原料:聚苯乙烯76份,苯乙烯50份,JWEB50 0.03份,链终止剂0.6份,骨料8份,白炭黑4份,可膨胀石墨8份,乙撑基双硬质酰胺6份,聚乙烯蜡2份,硅酸钠6份,戊烷10份,乙苯45份,磷酸三丁酯65份。
实施例二
本发明提出的一种轻质墙板的生产工艺,包括以下步骤:
S1、配料:将聚苯乙烯加入到含有乙苯的反应器中,并向反应器中加入磷酸三丁酯和JWEB50,边搅拌边升高反应器的温度,进行聚合反应,每隔40min,取反应器中的反应溶液进行检测,并根据检测结果中是否含有苯乙烯来判断反应的进行情况,当检测结果中显示反应溶液中不含苯乙烯或苯乙烯的含量降至不再随反应时间的延长而降低,则判定为反应完全,即为聚合反应结束,待聚合反应结束后向反应器中加入链终止剂,继续搅拌30min,然后向反应器中依次加入骨料、白炭黑、远红外陶瓷粉、乙撑基双硬质酰胺、聚乙烯蜡、硅酸钠、戊烷和可膨胀石墨,搅拌均匀即得聚苯乙烯发泡浆料;
S2、浇注、发泡、冷却成型和脱模:将两块相同规格的硅酸钙板放置于浇注模具的基板位置上,并进行固定,再将S1步骤制备的聚苯乙烯发泡浆料注入到模具中,并转移至聚苯乙烯发泡装置中进行发泡,再进行梯度降温至室温,梯度降温的程序为:0~20min以3℃/min的速度降温,20~30min以5℃/min的速度降温,30min以上以8℃/min的速度降温,温度降至室温后进行脱模,即得双面含硅酸钙的轻质复合墙板。
本发明中,所述聚苯乙烯发泡浆料包括以下重量份的原料:聚苯乙烯76份,苯乙烯60份,JWEB50 0.05份,链终止剂0.8份,骨料5份,白炭黑6份,可膨胀石墨10份,乙撑基双硬质酰胺4份,聚乙烯蜡3份,硅酸钠6份,戊烷16份,乙苯55份,磷酸三丁酯75份。
实施例三
本发明提出的一种轻质墙板的生产工艺,包括以下步骤:
S1、配料:将聚苯乙烯加入到含有乙苯的反应器中,并向反应器中加入磷酸三丁酯和JWEB50,边搅拌边升高反应器的温度,进行聚合反应,每隔30min,取反应器中的反应溶液进行检测,并根据检测结果中是否含有苯乙烯来判断反应的进行情况,当检测结果中显示反应溶液中不含苯乙烯或苯乙烯的含量降至不再随反应时间的延长而降低,则判定为反应完全,即为聚合反应结束,待聚合反应结束后向反应器中加入链终止剂,继续搅拌20min,然后向反应器中依次加入骨料、白炭黑、远红外陶瓷粉、乙撑基双硬质酰胺、聚乙烯蜡、硅酸钠、戊烷和可膨胀石墨,搅拌均匀即得聚苯乙烯发泡浆料;
S2、浇注、发泡、冷却成型和脱模:将两块相同规格的硅酸钙板放置于浇注模具的基板位置上,并进行固定,再将S1步骤制备的聚苯乙烯发泡浆料注入到模具中,并转移至聚苯乙烯发泡装置中进行发泡,再进行梯度降温至室温,梯度降温的程序为:0~20min以3℃/min的速度降温,20~30min以5℃/min的速度降温,30min以上以8℃/min的速度降温,温度降至室温后进行脱模,即得双面含硅酸钙的轻质复合墙板。
本发明中,所述聚苯乙烯发泡浆料包括以下重量份的原料:聚苯乙烯66份,苯乙烯48份,JWEB50 0.05份,链终止剂0.5份,骨料8份,白炭黑5份,可膨胀石墨8份,乙撑基双硬质酰胺5份,聚乙烯蜡2.5份,硅酸钠6份,戊烷12份,乙苯45份,磷酸三丁酯65份。
对实施例一、实施例二和实施例三制备的轻质墙板与市售的轻质墙板进行性能测试,并将实施例一、实施例二和实施例三得到的数据与市售的轻质墙板的数据进行比较,结果如下:
实施例
基板与芯材的结合力 +24.8 +25.6 +27.4
氧指数 +5.6 +6.2 +5.8
保温时间 +3.5 +2.8 +3.4
合格率 +6.8 +5.1 +6.9
其中,“+”表示相比于市售的轻质墙板数据上升百分比。
测试结果显示:实施例一、实施例二和实施例三制备的轻质墙板的性能相近,且基板与芯材的结合力、氧指数、保温时间以及合格率均比市售的轻质墙板好,且实施例三的综合性能最好,表明:本发明提出的轻质墙板的生产工艺,重现性好,工艺稳定,且制备的轻质墙板保温性能好,阻燃性能高,基板与芯材的结合力强。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。

Claims (8)

1.一种轻质墙板的生产工艺,其特征在于,包括以下步骤:
S1、配料:将聚苯乙烯加入到含有乙苯的反应器中,并向反应器中加入磷酸三丁酯和JWEB50,边搅拌边升高反应器的温度,进行聚合反应,并跟踪反应进行情况,判断聚合反应进行情况,待聚合反应结束后向反应器中加入链终止剂,继续搅拌10~30min,然后向反应器中依次加入骨料、白炭黑、远红外陶瓷粉、乙撑基双硬质酰胺、聚乙烯蜡、硅酸钠、戊烷和可膨胀石墨,搅拌均匀即得聚苯乙烯发泡浆料;
S2、浇注、发泡、冷却成型和脱模:将两块相同规格的硅酸钙板放置于浇注模具的基板位置上,并进行固定,再将S1步骤制备的聚苯乙烯发泡浆料注入到模具中,并转移至聚苯乙烯发泡装置中进行发泡,再进行梯度降温至室温进行脱模,即得双面含硅酸钙的轻质复合墙板。
2.根据权利要求1所述的一种轻质墙板的生产工艺,其特征在于,所述聚苯乙烯发泡浆料包括以下重量份的原料:聚苯乙烯56~76份,苯乙烯40~60份,JWEB50 0.02~0.08份,链终止剂0.2~0.8份,骨料5~10份,白炭黑3~8份,可膨胀石墨5~10份,乙撑基双硬质酰胺3~6份,聚乙烯蜡1.5~3份,硅酸钠4~8份,戊烷8~16份,乙苯35~55份,磷酸三丁酯55~75份。
3.根据权利要求1所述的一种轻质墙板的生产工艺,其特征在于,所述聚苯乙烯发泡浆料包括以下重量份的原料:聚苯乙烯58~72份,苯乙烯44~54份,JWEB50 0.03~0.06份,链终止剂0.4~0.6份,骨料6~10份,白炭黑3~8份,可膨胀石墨6~10份,乙撑基双硬质酰胺4~6份,聚乙烯蜡2~3份,硅酸钠4~8份,戊烷8~16份,乙苯40~50份,磷酸三丁酯60~70份。
4.根据权利要求1所述的一种轻质墙板的生产工艺,其特征在于,所述聚苯乙烯发泡浆料包括以下重量份的原料:聚苯乙烯66份,苯乙烯48份,JWEB50 0.05份,链终止剂0.5份,骨料8份,白炭黑5份,可膨胀石墨8份,乙撑基双硬质酰胺5份,聚乙烯蜡2.5份,硅酸钠6份,戊烷12份,乙苯45份,磷酸三丁酯65份。
5.根据权利要求1所述的一种轻质墙板的生产工艺,其特征在于,所述聚苯乙烯和苯乙烯的质量比1.3~1.6:1。
6.根据权利要求1所述的一种轻质墙板的生产工艺,其特征在于,所述S1步骤中的根据反应进行情况的具体操作为每隔20~40min,取反应器中的反应溶液进行检测,并根据检测结果中是否含有苯乙烯来判断反应的进行情况,当检测结果中显示反应溶液中不含苯乙烯或苯乙烯的含量降至不再随反应时间的延长而降低,则判定为反应完全,即为聚合反应结束。
7.根据权利要求1所述的一种轻质墙板的生产工艺,其特征在于,所述配料过程使用的是自动配料器,所述浇注过程使用的是自动振动浇注成型机。
8.根据权利要求1所述的一种轻质墙板的生产工艺,其特征在于,所述梯度降温的程序为:0~20min以3℃/min的速度降温,20~30min以5℃/min的速度降温,30min以上以8℃/min的速度降温。
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Publication number Priority date Publication date Assignee Title
GB977780A (en) * 1960-10-10 1964-12-16 United Merchants & Mfg Pressure sensitive acoustic tiles
CN1088593A (zh) * 1992-12-10 1994-06-29 拜尔公司 聚碳酸酯的制备方法
CN1386729A (zh) * 2002-04-27 2002-12-25 张震 一种聚苯乙烯的裂解产物及其制备方法和应用
CN102505798A (zh) * 2011-11-24 2012-06-20 厦门大学 复合保温墙板及其制备方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB977780A (en) * 1960-10-10 1964-12-16 United Merchants & Mfg Pressure sensitive acoustic tiles
CN1088593A (zh) * 1992-12-10 1994-06-29 拜尔公司 聚碳酸酯的制备方法
CN1386729A (zh) * 2002-04-27 2002-12-25 张震 一种聚苯乙烯的裂解产物及其制备方法和应用
CN102505798A (zh) * 2011-11-24 2012-06-20 厦门大学 复合保温墙板及其制备方法

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