CN113977711A - 一种抗菌阻燃胶合板及其制备方法 - Google Patents
一种抗菌阻燃胶合板及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种抗菌阻燃胶合板及其制备方法,属于胶合板技术领域,包括漆层、面层、阻燃层和刨花板层;其中,以所述刨花板层为基层,上表面及下表面依次层叠阻燃层、面层和漆层;所述面层为木板;所述阻燃层和阻燃层为阻燃pc板;所述面层、阻燃层和刨花板层之间利用胶黏剂粘连。同时本发明公开了上述面层、阻燃层和刨花板层经胶黏剂胶黏后经冷压、热压再上漆的制备方法。本发明提供的胶合板具有多重阻燃作用,且胶合板表面及内部板层具有抑菌效果,并且本发明粘合强度和耐水性较高,贮存稳定性较好,避免了甲醛的危害,而且制造工艺和设备比较简单,利用工业化推广制作。
Description
技术领域
本发明涉及胶合板技术领域,更具体的说是涉及一种抗菌阻燃胶合板及其制备方法。
背景技术
胶合板是由木段旋切成单板或由木方刨切成薄木,再用胶粘剂胶合而成的三层或多层的板状材料,通常用奇数层单板,并使相邻层单板的纤维方向互相垂直胶合而成。胶合板用材通常有椴木、水曲柳、桦木、榆木、桉木、松木、杨木等材质,是室内墙面和地板装潢的常用材料。
在人们的居住环境中存在着各种挥发性有机物以及有害微生物,直接影响着人们的身心健康。居室环境中大多数致病菌往往来自地面和家具污垢以及宠物等方面,地板以及家具直接与人体接触,更易将滋生病菌和细菌的微生物传给人体。过去人们用化学药物的防霉抗菌剂喷洒在房间的四周,藉此来解决房间的空气质量问题,而现有技术中的防霉抗菌剂的毒性较大,耐热、耐久性能差,喷洒在地板及装饰板材表面易使其变色而影响美观。随着人们对家居环境的要求越来越高,对功能型的健康环保地板的需求提上日程。首先对地板本身的环保等级要求很高,达到无醛级。其次要求地板具有净化空气及抗菌功能。
因此,如何提供一种抗菌阻燃胶合板是本领域技术人员亟需解决的问题。
发明内容
有鉴于此,本发明提供了一种抗菌阻燃胶合板及其制备方法。
为了实现上述目的,本发明采用如下技术方案:
一种抗菌阻燃胶合板,包括漆层、面层、阻燃层和刨花板层;
其中,以所述刨花板层为基层,上表面及下表面依次层叠阻燃层、面层和漆层;
所述面层为木板;所述阻燃层为阻燃pc板;
所述面层阻燃层和刨花板层之间利用胶黏剂粘连。
优选的,所述漆层包括以下重量份数的原料:
聚醚多元醇50-80份、溴化环氧树脂30-50份、羟丙基甲基纤维素5-15份、氢氧化铝1-2份、氢氧化镁1-2份、纳米二氧化硅5-7份和纳米银0.5-1份。
优选的,所述胶黏剂包括以下重量份数的原料:
聚乙烯醇60-80份、纳米氧化镁1.2-1.5份、酸改性松香树脂5-10份、乳化剂3-5份、脱脂豆蛋白粉5-7份、淀粉5-7份、纳米银1-3份、碱1-3份、水100-150份、高岭土10-12份和碳酸钙6-8份。
有益效果:本发明中的胶合板在漆层中添加氢氧化铝和氢氧化镁等阻燃材料,使得漆层具有一定的阻燃性,同时在面层与刨花板层之间设置阻燃pc板,进一步增强了胶合板的阻燃性,具有多重阻燃的效果。同时,本发明中的漆层以及胶黏剂原料中还添加了纳米银,纳米银具有良好的抗菌性能,能够有效抑制胶合板表面及内部的细菌增殖,提高胶合板的使用期限,还保证了家居环境的质量。
一种抗菌阻燃胶合板的制备方法,包括以下步骤:
(1)将淀粉和脱脂豆蛋白粉混合均匀,然后与水按质量比1∶1继续混合均匀,加热至95℃,以200r/min转速搅拌28min,得到糊化淀粉;将水升温至50-60℃,然后边搅拌边将所述聚乙烯醇、纳米氧化镁、酸改性松香树脂、碱、高岭土、碳酸钙、纳米银、乳化剂依次添加至剩余水中,再将体系升温至90-95℃,继续搅拌反应40-60min,得到胶黏剂,备用;
(2)将所述聚醚多元醇与所述溴化环氧树脂搅拌均匀,再依次加入羟丙基甲基纤维素、氢氧化铝、氢氧化镁、纳米二氧化硅和纳米银,继续搅拌,直至体系分散均匀,得到漆层涂料,备用;
(3)将木板烘干后置于质量浓度为8-10mg/L的***钠溶液中浸泡,然后冷冻干燥,得到面层,备用;
(4)将刨花与所述胶黏剂以质量比为1∶2的比例搅拌均匀,置于模具中干燥成型,得到刨花板层;
(5)向所述面层、阻燃层、刨花板层表面涂刷所述胶黏剂,然后以所述刨花板层为基层,上表面及下表面依次层叠阻燃层和面层,得到涂胶板坯;
(6)上漆:将所述涂胶板坯经冷压、热压,至胶黏剂固化后,于60-70℃烘干至含水量为7-9%,再向所述面层外表面涂刷漆层涂料,干燥后切割,砂光,得到抗菌阻燃胶合板。
优选的,步骤(3)中所述烘干温度为60-70℃,且烘干至含水量为1-3%;
所述浸泡温度为40-45℃,浸泡时间为3-5小时;
所述冷冻干燥为冷冻干燥至木板含水量为16-18%。
优选的,步骤(4)中所述干燥温度为115-130℃,干燥时间为40-55min。
优选的,步骤(5)中所述胶黏剂的涂刷量为180-190g/m2。
优选的,步骤(6)中所述冷压压力为0.8-1.2MPa,冷压时间为20-60min;
优选的,步骤(6)中所述热压包括以下步骤:
将冷压后的涂胶板坯于80-90℃预热25-30分钟,再于148-150℃进行热压,至胶黏剂固化,且热压压力为4-6MPa。
优选的,步骤(6)中所述干燥温度为150-160℃,干燥时间为20-30min。
经由上述的技术方案可知,与现有技术相比,本发明公开提供了一种抗菌阻燃胶合板及其制备方法,本发明提供的胶合板具有多重阻燃作用,且胶合板表面及内部板层具有抑菌效果,并且本发明胶合板的粘合强度和耐水性较高,贮存稳定性较好,避免了甲醛的危害,而且制造工艺和设备比较简单,利用工业化推广制作。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据提供的附图获得其他的附图。
图1附图为本发明提供的胶合板结构示意图,其中标号为:1-漆层,2-面层,3-阻燃层,4-刨花板层。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例1
一种抗菌阻燃胶合板,如图1所示,包括漆层1、面层2、阻燃层3和刨花板层4;
其中,以刨花板层4为基层,上表面及下表面依次层叠阻燃层3、面层2和漆层1;
面层2为木板;阻燃层3为阻燃pc板;
面层2、阻燃层3和刨花板层4之间利用胶黏剂粘连。
一种抗菌阻燃胶合板的制备方法,包括以下步骤:
(1)按比例称取以下原料:聚乙烯醇70份、纳米氧化镁1.3份、酸改性松香树脂7份、乳化剂4份、脱脂豆蛋白粉6份、淀粉6份、纳米银2份、碱2份、水125份、高岭土11份和碳酸钙7份。
将淀粉和脱脂豆蛋白粉混合均匀,然后与水按质量比1∶1继续混合均匀,加热至95℃,以200r/min转速搅拌28min,得到糊化淀粉;将水升温至50-60℃,然后边搅拌边将聚乙烯醇、纳米氧化镁、酸改性松香树脂、碱、高岭土、碳酸钙、纳米银、乳化剂依次添加至剩余水中,再将体系升温至90-95℃,继续搅拌反应50min,得到胶黏剂,备用;
(2)按比例称取以下原料:聚醚多元醇70份、溴化环氧树脂40份、羟丙基甲基纤维素10份、氢氧化铝1.5份、氢氧化镁1.5份、纳米二氧化硅6份和纳米银0.8份;
将聚醚多元醇与溴化环氧树脂搅拌均匀,再依次加入羟丙基甲基纤维素、氢氧化铝、氢氧化镁、纳米二氧化硅和纳米银,继续搅拌,直至体系分散均匀,得到漆层涂料,备用;
(3)将木板在60-70℃下烘干至含水量为1-3%后,置于质量浓度为9mg/L的***钠溶液中浸泡,其中,浸泡温度为40-45℃,浸泡时间为4小时;然后将浸泡后的木板冷冻干燥至木板含水量为16-18%,得到面层,备用;
(4)将刨花与胶黏剂以质量比为1∶2的比例搅拌均匀,置于模具中在115-130℃下干燥40-55min成型,得到刨花板层;
(5)向面层、阻燃层、刨花板层表面涂刷胶黏剂,涂胶量为180-190g/m2,然后以所述刨花板层为基层,上表面及下表面依次层叠阻燃层和面层,得到涂胶板坯;
(6)上漆:向涂胶板坯在压力1.0MPa条件下冷压40min后,再将冷压后的涂胶板坯于80-90℃预热25-30分钟,再于148-150℃进行热压,至胶黏剂固化,且热压压力为4-6MPa。然后将热压后的板坯于60-70℃烘干至含水量为7-9%,再向面层外表面涂刷漆层涂料,在150-160℃温度下干燥20-30min,使得漆层涂料干燥,再对胶合板切割,砂光,得到抗菌阻燃胶合板。
实施例2
一种抗菌阻燃胶合板,如图1所示,包括漆层1、面层2、阻燃层3和刨花板层4;
其中,以刨花板层4为基层,上表面及下表面依次层叠阻燃层3、面层2和漆层1;
面层2为木板;阻燃层3为阻燃pc板;
面层2、阻燃层3和刨花板层4之间利用胶黏剂粘连。
一种抗菌阻燃胶合板的制备方法,包括以下步骤:
(1)按比例称取以下原料:聚乙烯醇60份、纳米氧化镁1.2份、酸改性松香树脂5份、乳化剂3份、脱脂豆蛋白粉5份、淀粉5份、纳米银1份、碱1份、水100份、高岭土10份和碳酸钙6份。
将淀粉和脱脂豆蛋白粉混合均匀,然后与水按质量比1∶1继续混合均匀,加热至95℃,以200r/min转速搅拌28min,得到糊化淀粉;将水升温至50-60℃,然后边搅拌边将聚乙烯醇、纳米氧化镁、酸改性松香树脂、碱、高岭土、碳酸钙、纳米银、乳化剂依次添加至剩余水中,再将体系升温至90-95℃,继续搅拌反应40min,得到胶黏剂,备用;
(2)按比例称取以下原料:聚醚多元醇50份、溴化环氧树脂30份、羟丙基甲基纤维素5份、氢氧化铝1份、氢氧化镁1份、纳米二氧化硅5-7份和纳米银0.5份;
将聚醚多元醇与溴化环氧树脂搅拌均匀,再依次加入羟丙基甲基纤维素、氢氧化铝、氢氧化镁、纳米二氧化硅和纳米银,继续搅拌,直至体系分散均匀,得到漆层涂料,备用;
(3)将木板在60-70℃下烘干至含水量为1-3%后,置于质量浓度为8mg/L的***钠溶液中浸泡,其中,浸泡温度为40-45℃,浸泡时间为5小时;然后将浸泡后的木板冷冻干燥至木板含水量为16-18%,得到面层,备用;
(4)将刨花与胶黏剂以质量比为1∶2的比例搅拌均匀,置于模具中在115-130℃下干燥40-55min成型,得到刨花板层;
(5)向面层、阻燃层、刨花板层表面涂刷胶黏剂,涂胶量为180-190g/m2,然后以所述刨花板层为基层,上表面及下表面依次层叠阻燃层和面层,得到涂胶板坯;
(6)上漆:向涂胶板坯在压力0.8MPa条件下冷压60min后,再将冷压后的涂胶板坯于80-90℃预热25-30分钟,再于148-150℃进行热压,至胶黏剂固化,且热压压力为4-6MPa。然后将热压后的板坯于60-70℃烘干至含水量为7-9%,再向面层外表面涂刷漆层涂料,在150-160℃温度下干燥20-30min,使得漆层涂料干燥,再对胶合板切割,砂光,得到抗菌阻燃胶合板。
实施例3
一种抗菌阻燃胶合板,如图1所示,包括漆层1、面层2、阻燃层3和刨花板层4;
其中,以刨花板层4为基层,上表面及下表面依次层叠阻燃层3、面层2和漆层1;
面层2为木板;阻燃层3为阻燃pc板;
面层2、阻燃层3和刨花板层4之间利用胶黏剂粘连。
一种抗菌阻燃胶合板的制备方法,包括以下步骤:
(1)按比例称取以下原料:聚乙烯醇80份、纳米氧化镁1.5份、酸改性松香树脂10份、乳化剂5份、脱脂豆蛋白粉7份、淀粉7份、纳米银3份、碱3份、水150份、高岭土12份和碳酸钙8份。
将淀粉和脱脂豆蛋白粉混合均匀,然后与水按质量比1∶1继续混合均匀,加热至95℃,以200r/min转速搅拌28min,得到糊化淀粉;将水升温至50-60℃,然后边搅拌边将聚乙烯醇、纳米氧化镁、酸改性松香树脂、碱、高岭土、碳酸钙、纳米银、乳化剂依次添加至剩余水中,再将体系升温至90-95℃,继续搅拌反应60min,得到胶黏剂,备用;
(2)按比例称取以下原料:聚醚多元醇80份、溴化环氧树脂50份、羟丙基甲基纤维素15份、氢氧化铝2份、氢氧化镁2份、纳米二氧化硅7份和纳米银1份;
将聚醚多元醇与溴化环氧树脂搅拌均匀,再依次加入羟丙基甲基纤维素、氢氧化铝、氢氧化镁、纳米二氧化硅和纳米银,继续搅拌,直至体系分散均匀,得到漆层涂料,备用;
(3)将木板在60-70℃下烘干至含水量为1-3%后,置于质量浓度为10mg/L的***钠溶液中浸泡,其中,浸泡温度为40-45℃,浸泡时间为3小时;然后将浸泡后的木板冷冻干燥至木板含水量为16-18%,得到面层,备用;
(4)将刨花与胶黏剂以质量比为1∶2的比例搅拌均匀,置于模具中在115-130℃下干燥40-55min成型,得到刨花板层;
(5)向面层、阻燃层、刨花板层表面涂刷胶黏剂,涂胶量为180-190g/m2,然后以所述刨花板层为基层,上表面及下表面依次层叠阻燃层和面层,得到涂胶板坯;
(6)上漆:向涂胶板坯在压力1.2MPa条件下冷压20min后,再将冷压后的涂胶板坯于80-90℃预热25-30分钟,再于148-150℃进行热压,至胶黏剂固化,且热压压力为4-6MPa。然后将热压后的板坯于60-70℃烘干至含水量为7-9%,再向面层外表面涂刷漆层涂料,在150-160℃温度下干燥20-30min,使得漆层涂料干燥,再对胶合板切割,砂光,得到抗菌阻燃胶合板。
实施例4
一种抗菌阻燃胶合板,如图1所示,包括漆层1、面层2、阻燃层3和刨花板层4;
其中,以刨花板层4为基层,上表面及下表面依次层叠阻燃层3、面层2和漆层1;
面层2为木板;阻燃层3为阻燃pc板;
面层2、阻燃层3和刨花板层4之间利用胶黏剂粘连。
一种抗菌阻燃胶合板的制备方法,包括以下步骤:
(1)按比例称取以下原料:聚乙烯醇65份、纳米氧化镁1.3份、酸改性松香树脂6份、乳化剂3.5份、脱脂豆蛋白粉5.5份、淀粉5.5份、纳米银1.5份、碱1份、水120份、高岭土11份和碳酸钙7份。
将淀粉和脱脂豆蛋白粉混合均匀,然后与水按质量比1∶1继续混合均匀,加热至95℃,以200r/min转速搅拌28min,得到糊化淀粉;将水升温至50-60℃,然后边搅拌边将聚乙烯醇、纳米氧化镁、酸改性松香树脂、碱、高岭土、碳酸钙、纳米银、乳化剂依次添加至剩余水中,再将体系升温至90-95℃,继续搅拌反应45min,得到胶黏剂,备用;
(2)按比例称取以下原料:聚醚多元醇60份、溴化环氧树脂35份、羟丙基甲基纤维素7份、氢氧化铝1份、氢氧化镁1份、纳米二氧化硅6份和纳米银0.7份;
将聚醚多元醇与溴化环氧树脂搅拌均匀,再依次加入羟丙基甲基纤维素、氢氧化铝、氢氧化镁、纳米二氧化硅和纳米银,继续搅拌,直至体系分散均匀,得到漆层涂料,备用;
(3)将木板在60-70℃下烘干至含水量为1-3%后,置于质量浓度为10mg/L的***钠溶液中浸泡,其中,浸泡温度为40-45℃,浸泡时间为3小时;然后将浸泡后的木板冷冻干燥至木板含水量为16-18%,得到面层,备用;
(4)将刨花与胶黏剂以质量比为1∶2的比例搅拌均匀,置于模具中在115-130℃下干燥40-55min成型,得到刨花板层;
(5)向面层、阻燃层、刨花板层表面涂刷胶黏剂,涂胶量为180-190g/m2,然后以所述刨花板层为基层,上表面及下表面依次层叠阻燃层和面层,得到涂胶板坯;
(6)上漆:向涂胶板坯在压力0.9MPa条件下冷压50min后,再将冷压后的涂胶板坯于80-90℃预热25-30分钟,再于148-150℃进行热压,至胶黏剂固化,且热压压力为6MPa。然后将热压后的板坯于60-70℃烘干至含水量为7-9%,再向面层外表面涂刷漆层涂料,在150-160℃温度下干燥20-30min,使得漆层涂料干燥,再对胶合板切割,砂光,得到抗菌阻燃胶合板。
实施例5
一种抗菌阻燃胶合板,如图1所示,包括漆层1、面层2、阻燃层3和刨花板层4;
其中,以刨花板层4为基层,上表面及下表面依次层叠阻燃层3、面层2和漆层1;
面层2为木板;阻燃层3为阻燃pc板;
面层2、阻燃层3和刨花板层4之间利用胶黏剂粘连。
一种抗菌阻燃胶合板的制备方法,包括以下步骤:
(1)按比例称取以下原料:聚乙烯醇75份、纳米氧化镁1.4份、酸改性松香树脂9份、乳化剂4.5份、脱脂豆蛋白粉6.5份、淀粉6.5份、纳米银2.5份、碱2.5份、水140份、高岭土11份和碳酸钙8份。
将淀粉和脱脂豆蛋白粉混合均匀,然后与水按质量比1∶1继续混合均匀,加热至95℃,以200r/min转速搅拌28min,得到糊化淀粉;将水升温至50-60℃,然后边搅拌边将聚乙烯醇、纳米氧化镁、酸改性松香树脂、碱、高岭土、碳酸钙、纳米银、乳化剂依次添加至剩余水中,再将体系升温至90-95℃,继续搅拌反应55min,得到胶黏剂,备用;
(2)按比例称取以下原料:聚醚多元醇75份、溴化环氧树脂45份、羟丙基甲基纤维素13份、氢氧化铝1.5份、氢氧化镁1.5份、纳米二氧化硅6份和纳米银0.8份;
将聚醚多元醇与溴化环氧树脂搅拌均匀,再依次加入羟丙基甲基纤维素、氢氧化铝、氢氧化镁、纳米二氧化硅和纳米银,继续搅拌,直至体系分散均匀,得到漆层涂料,备用;
(3)将木板在60-70℃下烘干至含水量为1-3%后,置于质量浓度为8mg/L的***钠溶液中浸泡,其中,浸泡温度为40-45℃,浸泡时间为5小时;然后将浸泡后的木板冷冻干燥至木板含水量为16-18%,得到面层,备用;
(4)将刨花与胶黏剂以质量比为1∶2的比例搅拌均匀,置于模具中在115-130℃下干燥40-55min成型,得到刨花板层;
(5)向面层、阻燃层、刨花板层表面涂刷胶黏剂,涂胶量为180-190g/m2,然后以所述刨花板层为基层,上表面及下表面依次层叠阻燃层和面层,得到涂胶板坯;
(6)上漆:向涂胶板坯在压力1.1MPa条件下冷压30min后,再将冷压后的涂胶板坯于80-90℃预热25-30分钟,再于148-150℃进行热压,至胶黏剂固化,且热压压力为4-6MPa。然后将热压后的板坯于60-70℃烘干至含水量为7-9%,再向面层外表面涂刷漆层涂料,在150-160℃温度下干燥20-30min,使得漆层涂料干燥,再对胶合板切割,砂光,得到抗菌阻燃胶合板。
对比例
一种抗菌阻燃胶合板的制备方法,与实施例1不同的是:
(1)胶黏剂原料中不包括纳米银、淀粉和脱脂豆蛋白粉;
(2)不包括阻燃层;
(3)漆层原料中不包括氢氧化铝、氢氧化镁和纳米银。
技术效果
选择杨木单板适量,分别按照实施例和对比例的方法制备胶合板,制备完成后分别按照按GB/T 15104-2006对各组制备完成后的胶合板进行检验,实施例和对比例胶合板制备方法的制备效果见表1。
表1:实施例和对比例胶合板制备方法的制备效果
组别 | 抗菌率% | 胶合强度MPa |
实施例1 | 86.5 | 2.95 |
实施例2 | 87.3 | 2.83 |
实施例3 | 82.1 | 2.91 |
实施例4 | 83.2 | 2.88 |
实施例5 | 86.4 | 2.99 |
对比例 | 40.1 | 1.01 |
从表1的结果表明,本发明实施例的抗菌阻燃胶合板的抑菌率、胶合强度较高,柔韧性高,缓冲承重能力强,安全健康,且使用稳定性更好,具有很好的推广使用价值和经济效益。
本说明书中各个实施例采用递进的方式描述,每个实施例重点说明的都是与其他实施例的不同之处,各个实施例之间相同相似部分互相参见即可。对于实施例公开的装置而言,由于其与实施例公开的方法相对应,所以描述的比较简单,相关之处参见方法部分说明即可。
对所公开的实施例的上述说明,使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的,本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下,在其它实施例中实现。因此,本发明将不会被限制于本文所示的这些实施例,而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。
Claims (10)
1.一种抗菌阻燃胶合板,其特征在于,包括漆层、面层、阻燃层和刨花板层;
其中,以所述刨花板层为基层,上表面及下表面依次层叠阻燃层、面层和漆层;
所述面层为木板;所述阻燃层为阻燃pc板;
所述面层、阻燃层和刨花板层之间利用胶黏剂粘连。
2.根据权利要求1所述的一种抗菌阻燃胶合板,其特征在于,所述漆层包括以下重量份数的原料:
聚醚多元醇50-80份、溴化环氧树脂30-50份、羟丙基甲基纤维素5-15份、氢氧化铝1-2份、氢氧化镁1-2份、纳米二氧化硅5-7份和纳米银0.5-1份。
3.根据权利要求1所述的一种抗菌阻燃胶合板,其特征在于,所述胶黏剂包括以下重量份数的原料:
聚乙烯醇60-80份、纳米氧化镁1.2-1.5份、酸改性松香树脂5-10份、乳化剂3-5份、脱脂豆蛋白粉5-7份、淀粉5-7份、纳米银1-3份,碱1-3份、水100-150份、高岭土10-12份和碳酸钙6-8份。
4.根据权利要求1-3任一所述的一种抗菌阻燃胶合板的制备方法,其特征在于,包括以下步骤:
(1)将淀粉和脱脂豆蛋白粉混合均匀,然后与水按质量比1∶1继续混合均匀,加热至95℃,以200r/min转速搅拌28min,得到糊化淀粉;将水升温至50-60℃,然后边搅拌边将所述聚乙烯醇、纳米氧化镁、酸改性松香树脂、碱、高岭土、纳米银、碳酸钙、乳化剂依次添加至剩余水中,再将体系升温至90-95℃,继续搅拌反应40-60min,得到胶黏剂,备用;
(2)将所述聚醚多元醇与所述溴化环氧树脂搅拌均匀,再依次加入羟丙基甲基纤维素、氢氧化铝、氢氧化镁、纳米二氧化硅和纳米银,继续搅拌,直至体系分散均匀,得到漆层涂料,备用;
(3)将木板烘干后置于质量浓度为8-10mg/L的***钠溶液中浸泡,然后冷冻干燥,得到面层,备用;
(4)将刨花与所述胶黏剂以质量比为1∶2的比例搅拌均匀,置于模具中干燥成型,得到刨花板层;
(5)向所述面层、阻燃层、刨花板层表面涂刷所述胶黏剂,然后以所述刨花板层为基层,上表面及下表面依次层叠阻燃层和面层,得到涂胶板坯;
(6)上漆:将所述涂胶板坯经冷压、热压,至胶黏剂固化后,于60-70℃烘干至含水量为7-9%,再向所述面层外表面涂刷漆层涂料,干燥后切割,砂光,得到抗菌阻燃胶合板。
5.根据权利要求4所述的一种抗菌阻燃胶合板的制备方法,其特征在于,步骤(3)中所述烘干温度为60-70℃,且烘干至含水量为1-3%;
所述浸泡温度为40-45℃,浸泡时间为3-5小时;
所述冷冻干燥至木板含水量为16-18%。
6.根据权利要求4所述的一种抗菌阻燃胶合板的制备方法,其特征在于,步骤(4)中所述干燥温度为115-130℃,干燥时间为40-55min。
7.根据权利要求4所述的一种抗菌阻燃胶合板的制备方法,其特征在于,步骤(5)中所述胶黏剂的涂刷量为180-190g/m2。
8.根据权利要求4所述的一种抗菌阻燃胶合板的制备方法,其特征在于,步骤(6)中所述冷压压力为0.8-1.2MPa,冷压时间为20-60min。
9.根据权利要求8所述的一种抗菌阻燃胶合板的制备方法,其特征在于,步骤(6)中所述热压包括以下步骤:
将冷压后的涂胶板坯于80-90℃预热25-30分钟,再于148-150℃进行热压,至胶黏剂固化,且热压压力为4-6MPa。
10.根据权利要求9所述的一种抗菌阻燃胶合板的制备方法,其特征在于,步骤(6)中所述干燥温度为150-160℃,干燥时间为20-30min。
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