CN106758509A - 一种利用表面改性白刚玉增强强化复合纸耐磨性的方法 - Google Patents

一种利用表面改性白刚玉增强强化复合纸耐磨性的方法 Download PDF

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CN106758509A
CN106758509A CN201611031789.2A CN201611031789A CN106758509A CN 106758509 A CN106758509 A CN 106758509A CN 201611031789 A CN201611031789 A CN 201611031789A CN 106758509 A CN106758509 A CN 106758509A
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彭志勤
赵芬芬
万军民
王秉
胡智文
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Zhejiang University of Technology ZJUT
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Abstract

本发明公开了一种利用表面改性白刚玉增强强化复合纸耐磨性的方法,通过消泡剂、分散剂、吸附剂和硅烷偶联剂对白刚玉的表面进行改性,从而降低白刚玉的表面能,使表面改性后的白刚玉能更好的分散在三聚氰胺甲醛树脂中,改善了白刚玉与三聚氰胺甲醛树脂的相容性,加入白刚玉的三聚氰胺甲醛树脂作为强化木地板的浸渍纸其耐磨性有很大的提高,增加了木地板的使用寿命。

Description

一种利用表面改性白刚玉增强强化复合纸耐磨性的方法
技术领域
本发明涉及一种材料改性方法,更具体的说是涉及一种利用表面改性白刚玉增强强化复合纸耐磨性的方法。
背景技术
三聚氰胺甲醛树脂具有胶合强度高、耐水性好、透明度和光泽度高等优点,常被作为浸渍树脂用于生产各种装饰板,是一些居家用品常用的装饰板。近些年,中国经济发展越来越快,普通大众的生活水平也在不断提高,人们的生活质量也有所提高,对居家用品的要求也越来越高,这在很大程度上促进了浸渍层压木地板的发展,其中以MF树脂浸渍纸饰面的强化木地板(浸渍纸层压木质地板)发展最快,在我国木地板行业中占据了很重要的位置。
三聚氰胺甲醛树脂硬度高,且有一定的耐磨性,但是作为强化木地板的耐磨浸渍纸,其耐磨性还不够好,于是我们就考虑在三聚氰胺甲醛树脂中加入一些耐磨材料,加入白刚玉来提高浸渍纸的耐磨性,但白刚玉是无机相,而三聚氰胺甲醛树酯是有机相,他们相容性太差,白刚玉不能很好的分散在三聚氰胺甲醛树脂中,所以我们要对其进行表面处理,使改性后的白刚玉能更好的分散在体系中。
发明内容
针对现有技术存在的不足,本发明的目的在于提供一种利用表面改性白刚玉增强强化复合纸耐磨性的方法,通过对白刚玉表面进行改性,降低白刚玉的表面能,使表面改性后的白刚玉能更好的分散在三聚氰胺甲醛树脂中,以更好地增强强化复合纸耐磨性。
为实现上述目的,本发明提供了如下技术方案:一种利用表面改性白刚玉增强强化复合纸耐磨性的方法,包括以下步骤:
步骤一、白刚玉的表面改性:向烧杯中加入3-5ml蒸馏水,0.1-0.2g的聚乙二醇,0.03-0.05ml消泡剂,0.03-0.06ml分散剂,搅拌均匀后加入10-20g的白刚玉,研磨30min-45min,得到表面改性的白刚玉;
步骤二、表面改性的白刚玉与三聚氰胺甲醛树脂的混合:称取20-30g三聚氰胺甲醛树脂,置于烧杯中,将1-3g表面改性的白刚玉加入到三聚氰胺甲醛树脂中,滴入0.02-0.05ml悬浮剂,搅拌均匀;
步骤三、固化成型:用玻璃棒沾取均匀混合的表面改性的白刚玉与三聚氰胺甲醛树脂的混合物均匀的涂抹在载玻片上,涂抹表面保持平整,将涂抹好的载玻片放入到真空干燥箱中在60-80℃,固化2-5h,继续上调至100-110℃,固化2-3h,再调节温度至120-140℃持续固化2-3h,关闭真空干燥箱,冷却至室温,取出载玻片。
作为本发明的进一步改进,在步骤一中进行研磨之前,先除水,然后加入3-5ml乙酸乙酯和0.05-0.08ml吸附剂,搅拌均匀后,加热至110-130℃,保持30-45min,冷却至室温,加入硅烷偶联剂,搅拌均匀后,静置10-20h,在60-70℃下烘干,再进行研磨。
作为本发明的进一步改进,所述消泡剂为三磷酸丁酯、缩水甘油酯、二缩三丙二醇二丙烯酸酯中的一种。
作为本发明的进一步改进,所述分散剂为六偏磷酸钠、异丙醇胺或三乙烯三胺中的一种。
作为本发明的进一步改进,所述悬浮剂为藻酸双酯钠、藻酸丙二醇酯、褐藻酸丙二醇酯中的一种。
作为本发明的进一步改进,所述吸附剂为1,2-丙二醇二苯甲酸酯、三异辛酸甘油酯或双-2-乙基己基葵二酸酯中的一种。
作为本发明的进一步改进,所述硅烷偶联剂为乙烯基三甲氧基硅烷、聚乙二醇三甲氧基硅丙基醚或甲基三叔丁基过氧硅烷中的一种。
本发明通过对白刚玉的表面进行改性,从而降低白刚玉的表面能,使表面改性后的白刚玉能更好的分散在三聚氰胺甲醛树脂中,改善了白刚玉与三聚氰胺甲醛树脂的相容性,加入白刚玉的三聚氰胺甲醛树脂作为强化木地板的浸渍纸其耐磨性有很大的提高,增加了木地板的使用寿命。
具体实施方式
下面将结合实施例对本发明做进一步的详述。
实施例1
步骤一、白刚玉的表面改性:向烧杯中加入3ml蒸馏水,0.1g的聚乙二醇,0.03ml三磷酸丁酯,0.03ml六偏磷酸钠,搅拌均匀后加入10g的白刚玉,然后放在烘箱中于60℃除水,然后加入3ml乙酸乙酯和0.05ml 1,2-丙二醇二苯甲酸酯,搅拌均匀后,加热至110℃,保持30min,冷却至室温,加入乙烯基三甲氧基硅烷,搅拌均匀后,静置10h,在60℃下烘干,研磨30minmin,得到表面改性的白刚玉;
步骤二、表面改性的白刚玉与三聚氰胺甲醛树脂的混合:称取20g三聚氰胺甲醛树脂,置于烧杯中,将1g表面改性的白刚玉加入到三聚氰胺甲醛树脂中,滴入0.02ml藻酸双酯钠,搅拌均匀;
步骤三、固化成型:用玻璃棒沾取均匀混合的表面改性的白刚玉与三聚氰胺甲醛树脂的混合物均匀的涂抹在载玻片上,涂抹表面保持平整,将涂抹好的载玻片放入到真空干燥箱中在60℃,固化2h,继续上调至100℃,固化2h,再调节温度至120℃持续固化2h,关闭真空干燥箱,冷却至室温,取出载玻片。
实施例2
步骤一、白刚玉的表面改性:向烧杯中加入4ml蒸馏水,0.15g的聚乙二醇,0.04ml缩水甘油酯,0.05ml异丙醇胺,搅拌均匀后加入15g的白刚玉,然后放在烘箱中于65℃除水,然后加入4ml乙酸乙酯和0.06ml三异辛酸甘油酯,搅拌均匀后,加热至120℃,保持40min,冷却至室温,加入聚乙二醇三甲氧基硅丙基醚,搅拌均匀后,静置15h,在65℃下烘干,研磨35min,得到表面改性的白刚玉;
步骤二、表面改性的白刚玉与三聚氰胺甲醛树脂的混合:称取25g三聚氰胺甲醛树脂,置于烧杯中,将2g表面改性的白刚玉加入到三聚氰胺甲醛树脂中,滴入0.03ml藻酸丙二醇酯,搅拌均匀;
步骤三、固化成型:用玻璃棒沾取均匀混合的表面改性的白刚玉与三聚氰胺甲醛树脂的混合物均匀的涂抹在载玻片上,涂抹表面保持平整,将涂抹好的载玻片放入到真空干燥箱中在70℃,固化3h,继续上调至105℃,固化2.5h,再调节温度至130℃持续固化3h,关闭真空干燥箱,冷却至室温,取出载玻片。实施例3
步骤一、白刚玉的表面改性:向烧杯中加入4ml蒸馏水,0.2g的聚乙二醇,0.03ml二缩三丙二醇二丙烯酸酯,0.04ml三乙烯三胺,搅拌均匀后加入18g的白刚玉,然后放在烘箱中于70℃除水,然后加入4ml乙酸乙酯和0.07ml吸附剂,搅拌均匀后,加热至115℃,保持40min,冷却至室温,加入甲基三叔丁基过氧硅烷,搅拌均匀后,静置16h,在65℃下烘干,研磨45min,得到表面改性的白刚玉;
步骤二、表面改性的白刚玉与三聚氰胺甲醛树脂的混合:称取27g三聚氰胺甲醛树脂,置于烧杯中,将1.5g表面改性的白刚玉加入到三聚氰胺甲醛树脂中,滴入0.04ml褐藻酸丙二醇酯,搅拌均匀;
步骤三、固化成型:用玻璃棒沾取均匀混合的表面改性的白刚玉与三聚氰胺甲醛树脂的混合物均匀的涂抹在载玻片上,涂抹表面保持平整,将涂抹好的载玻片放入到真空干燥箱中在65℃,固化4h,继续上调至110℃,固化2.5h,再调节温度至140℃持续固化3h,关闭真空干燥箱,冷却至室温,取出载玻片。实施例4
步骤一、白刚玉的表面改性:向烧杯中加入5ml蒸馏水,0.1g的聚乙二醇,0.04ml缩水甘油酯,0.05ml六偏磷酸钠,搅拌均匀后加入13g的白刚玉,然后放在烘箱中于80℃除水,然后加入4.5ml乙酸乙酯和0.06ml双-2-乙基己基葵二酸酯,搅拌均匀后,加热至120℃,保持30min,冷却至室温,加入乙烯基三甲氧基硅烷,搅拌均匀后,静置16h,在60℃下烘干,研磨30min,得到表面改性的白刚玉;
步骤二、表面改性的白刚玉与三聚氰胺甲醛树脂的混合:称取22g三聚氰胺甲醛树脂,置于烧杯中,将1.5g表面改性的白刚玉加入到三聚氰胺甲醛树脂中,滴入0.02ml藻酸丙二醇酯,搅拌均匀;
步骤三、固化成型:用玻璃棒沾取均匀混合的表面改性的白刚玉与三聚氰胺甲醛树脂的混合物均匀的涂抹在载玻片上,涂抹表面保持平整,将涂抹好的载玻片放入到真空干燥箱中在80℃,固化3h,继续上调至110℃,固化3h,再调节温度至130℃持续固化3h,关闭真空干燥箱,冷却至室温,取出载玻片。
实施例5
步骤一、白刚玉的表面改性:向烧杯中加入3ml蒸馏水,0.2g的聚乙二醇,0.05ml二缩三丙二醇二丙烯酸酯,0.05ml异丙醇胺,搅拌均匀后加入18g的白刚玉,然后放在烘箱中于60℃除水,然后加入5ml乙酸乙酯和0.07ml三异辛酸甘油酯,搅拌均匀后,加热至125℃,保持45min,冷却至室温,加入聚乙二醇三甲氧基硅丙基醚,搅拌均匀后,静置14h,在70℃下烘干,研磨40min,得到表面改性的白刚玉;
步骤二、表面改性的白刚玉与三聚氰胺甲醛树脂的混合:称取24g三聚氰胺甲醛树脂,置于烧杯中,将1g表面改性的白刚玉加入到三聚氰胺甲醛树脂中,滴入0.02ml褐藻酸丙二醇酯,搅拌均匀;
步骤三、固化成型:用玻璃棒沾取均匀混合的表面改性的白刚玉与三聚氰胺甲醛树脂的混合物均匀的涂抹在载玻片上,涂抹表面保持平整,将涂抹好的载玻片放入到真空干燥箱中在80℃,固化5h,继续上调至110℃,固化2h,再调节温度至130℃持续固化3h,关闭真空干燥箱,冷却至室温,取出载玻片。
实施例6
步骤一、白刚玉的表面改性:向烧杯中加入5ml蒸馏水,0.2g的聚乙二醇,0.05ml三磷酸丁酯,0.06ml三乙烯三胺,搅拌均匀后加入20g的白刚玉,然后放在烘箱中于80℃除水,然后加入5ml乙酸乙酯和0.08ml 1,2-丙二醇二苯甲酸酯,搅拌均匀后,加热至130℃,保持45min,冷却至室温,加入乙烯基三甲氧基硅烷,搅拌均匀后,静置20h,在0℃下烘干,研磨45min,得到表面改性的白刚玉;
步骤二、表面改性的白刚玉与三聚氰胺甲醛树脂的混合:称取30g三聚氰胺甲醛树脂,置于烧杯中,将3g表面改性的白刚玉加入到三聚氰胺甲醛树脂中,滴入0.05ml褐藻酸丙二醇酯,搅拌均匀;
步骤三、固化成型:用玻璃棒沾取均匀混合的表面改性的白刚玉与三聚氰胺甲醛树脂的混合物均匀的涂抹在载玻片上,涂抹表面保持平整,将涂抹好的载玻片放入到真空干燥箱中在80℃,固化5h,继续上调至110℃,固化3h,再调节温度至140℃持续固化3h,关闭真空干燥箱,冷却至室温,取出载玻片。
将未处理白刚玉和不同实施例中步骤一得到的研磨后的表面改性的白刚玉,用刮板细度计检测样品的分散性,研磨分散性指标如下:
耐磨指标如下:
以上所述仅是本发明的优选实施方式,本发明的保护范围并不仅局限于上述实施例,凡属于本发明思路下的技术方案均属于本发明的保护范围。应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理前提下的若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。

Claims (7)

1.一种利用表面改性白刚玉增强强化复合纸耐磨性的方法,其特征在于:包括以下步骤:
步骤一、白刚玉的表面改性:向烧杯中加入3-5ml蒸馏水,0.1-0.2g的聚乙二醇,0.03-0.05ml消泡剂,0.03-0.06ml分散剂,搅拌均匀后加入10-20g的白刚玉,研磨30min-45min,得到表面改性的白刚玉;
步骤二、表面改性的白刚玉与三聚氰胺甲醛树脂的混合:称取20-30g三聚氰胺甲醛树脂,置于烧杯中,将1-3g表面改性的白刚玉加入到三聚氰胺甲醛树脂中,滴入0.02-0.05ml悬浮剂,搅拌均匀;
步骤三、固化成型:用玻璃棒沾取均匀混合的表面改性的白刚玉与三聚氰胺甲醛树脂的混合物均匀的涂抹在载玻片上,涂抹表面保持平整,将涂抹好的载玻片放入到真空干燥箱中在60-80℃,固化2-5h,继续上调至100-110℃,固化2-3h,再调节温度至120-140℃持续固化2-3h,关闭真空干燥箱,冷却至室温,取出载玻片。
2.根据权利要求1所述的一种利用表面改性白刚玉增强强化复合纸耐磨性的方法,其特征在于:在步骤一中进行研磨之前,先除水,然后加入3-5ml乙酸乙酯和0.05-0.08ml吸附剂,搅拌均匀后,加热至110-130℃,保持30-45min,冷却至室温,加入硅烷偶联剂,搅拌均匀后,静置10-20h,在60-70℃下烘干,再进行研磨。
3.根据权利要求1或2所述的一种利用表面改性白刚玉增强强化复合纸耐磨性的方法,其特征在于:所述消泡剂为三磷酸丁酯、缩水甘油酯、二缩三丙二醇二丙烯酸酯中的一种。
4.根据权利要求1所述的一种利用表面改性白刚玉增强强化复合纸耐磨性的方法,其特征在于:所述分散剂为六偏磷酸钠、异丙醇胺或三乙烯三胺中的一种。
5.根据权利要求1所述的一种利用表面改性白刚玉增强强化复合纸耐磨性的方法,其特征在于:所述悬浮剂为藻酸双酯钠、藻酸丙二醇酯、褐藻酸丙二醇酯中的一种。
6.根据权利要求2所述的一种利用表面改性白刚玉增强强化复合纸耐磨性的方法,其特征在于:所述吸附剂为1,2-丙二醇二苯甲酸酯、三异辛酸甘油酯或双-2-乙基己基葵二酸酯中的一种。
7.根据权利要求2所述的一种利用表面改性白刚玉增强强化复合纸耐磨性的方法,其特征在于:所述硅烷偶联剂为乙烯基三甲氧基硅烷、聚乙二醇三甲氧基硅丙基醚或甲基三叔丁基过氧硅烷中的一种。
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