CN103865157A - 可吸水性复合环保石头纸及其制备方法 - Google Patents
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Abstract
本发明涉及一种可吸水性复合环保石头纸及其制备方法,包含按质量分数比混合的以下组分:高分子树脂5-15份、无机吸水填料75-85份、偶联剂1-2份、抗氧化剂0.1份、抗静电剂0.2-0.5份、润滑剂1-2份。所述石头纸制备过程包括:无机吸水填料表面改性;改性填料与树脂、助剂复合造粒;复合粒子吹膜加工成型。本发明获得的可吸水性高填充石头纸吸水率可达200%,在降低树脂用量的同时保证了力学性能,可替代吸水树脂作为保水固水膜使用。与传统石头纸相比,可吸水性复合石头纸解决了透湿透气的问题,可作为壁纸基材使用。
Description
技术领域
本发明属于轻工造纸技术领域,特别是涉及一种可吸水性复合环保石头纸及其制备方法。
背景技术
目前,石头纸作为一种以无机矿产为主要原料,以高分子聚合物为辅料经特殊工艺处理加工成型而成的环保产品,具有成本低、可控降解等特点,能为国家节约大量的战略资源石油,产品使用后可以降解,不会造成二次污染;同时,与传统造纸相比,石头纸原料不使用木材,从而为社会节省大量的林木资源,减少了森林砍伐,保护了自然环境;此外,石头生产过程不使用强酸、强碱、漂白剂等化工原料,不排放废水、废渣和有毒有害气体,属于绿色环保产品,因此被广泛应用于可降解环保包装材料以及壁纸装饰材料领域。
随着人们生活水平的提高,对居住环境及房屋的装饰要求越来越高,而壁纸作为一种美观大方、图案丰富、豪华气派的装饰材料得到广泛引用,然而由于树脂类材质的壁纸透气性较差,若墙体潮气太大,使用时间久则容易发霉、气泡、变形甚至脱层。因此,提高壁纸的吸湿吸水性对于壁纸使用耐久性的提高有着重要的意义和价值。
发明内容
本发明的目的是针对现有技术的不足,而提出一种可吸水性复合环保石头纸及其制备方法。
本发明解决其技术问题是采取以下技术方案实现的:
一种可吸水性复合环保石头纸,包含按质量分数比混合的以下组分:
高分子树脂15-25份
无机吸水填料75-85份
偶联剂1-3份
抗氧剂0.1-0.3份
抗静电剂0.2-0.5份
润滑剂1-5份。
而且,所述高分子树脂为高密度聚乙烯、低密度聚乙烯、线性低密度聚乙烯、乙烯基共聚物、等规聚丙烯、间规聚丙烯、丙烯基共聚物、淀粉接枝丙烯腈共聚物、淀粉接枝丙烯酸盐共聚物、聚丙烯酰胺共聚物、乙烯-马来酸酐共聚物、交联羧甲基纤维素、交联羧甲基纤维素接枝丙烯酰胺、交联型羧乙基纤维素接枝丙烯酰胺、聚乙烯醇共聚物、交联聚环氧乙烷中的一种或几种。
而且,所述无机吸水填料为硅藻土、活性硅酸钙、膨润土、高岭土、蒙脱石、白云石、凹凸棒土、杭棉土、碳酸钙中的一种或几种。
而且,所述偶联剂为硅烷类偶联剂、钛酸酯类偶联剂、铝酸酯类偶联剂中的一种或几种,可选硅烷类偶联剂为:γ-氨丙基三乙氧基硅烷、γ-氨丙基三甲氧基硅烷、γ-缩水甘油醚氧基丙基三甲氧基硅烷、γ-甲基丙基酰氧基丙基三甲氧基硅烷;可选钛酸酯类偶联剂为:三硬脂酸钛酸异丙酯、异丙基二油酸酰氧基(二辛基磷酸酰氧基)钛酸酯、钛酸四正丙酯;可选铝酸酯类偶联剂为:铝酸三异丙酯、二硬脂酰氧基异丙氧基铝酸酯、异丙基二油酸酰氧基铝酸酯、铝酸三苄酯。
而且,所述抗氧剂为四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯(抗氧剂1010)、β-(3,5-二叔丁基-4-羟基苯基)丙酸正十八碳醇酯(抗氧剂1076)、1,1,3-三(2-甲基-4-羟基-5-叔丁苯基)丁烷(抗氧剂CA)、三(2,4-叔丁基苯基)亚磷酸酯(抗氧剂168)、硫代二丙酸二月桂酯(抗氧剂DLTP)、三(壬基苯基)亚磷酸酯(抗氧剂TNP)、亚磷酸三苯酯(抗氧剂TPP)、2,6-二叔丁基对甲酚(抗氧剂264)中的一种或几种。
而且,所述抗静电剂为硬脂酸三甲基氯化铵、硬脂酸二甲基戊基氯化铵、十八烷基二甲基羟乙基季铵硝酸盐、三羟乙基甲基季铵硫酸甲酯盐、N,N-十六烷基乙基吗啉硫酸乙酯盐、山梨糖醇、乙醇酰胺中的一种或几种。
而且、所述润滑剂为合成油类的硅油、脂肪酸酰胺、油酸、硬脂酸;低分子蜡类的PE蜡、PP蜡,石蜡;金属皂类的硬脂酸钠、硬脂酸钙、硬脂酸锌中的一种或几种。
权利要求1至7所述的任意一种可吸水性复合环保石头纸的制备方法,其特征在于包括步骤如下:
(1)可吸水性复合环保石头纸各组分按以下质量份数比备料至100份:
高分子树脂15-25份
无机吸水填料75-85份
偶联剂1-3份
抗氧剂0.1-0.3份
抗静电剂0.2-0.5份
润滑剂1-5份;
(2)将步骤(1)中的无机吸水填料与偶联剂、抗氧剂、抗静电剂及润滑剂加入高速搅拌机中加热混合1-3小时,得到表面活化改性的可吸水无机填料;
(3)将步骤(2)所得的表面活化改性的可吸水无机填料与高分子树脂通过常规密炼15-20分钟,得到混炼料;
(4)将步骤(3)所得的混炼料在160-200℃通过挤出造粒,得到可吸水复合母料;
(5)将步骤(4)所得的可吸水复合母料在180-220℃通过挤出吹膜机成型后,再按常规进行冷却、电晕、涂布处理,即可得到可吸水性复合石头纸。
本发明的优点和积极效果是:
本发明获得的可吸水性高填充石头纸吸水率可达200%,在降低树脂用量的同时保证了力学性能,可替代吸水树脂作为保水固水膜使用,与传统石头纸相比,可吸水性复合石头纸解决了透湿透气的问题,可作为壁纸基材使用。
具体实施方式
以下对本发明实施做进一步详述,以下实施例只是描述性的,不是限定性的,不能以此限定本发明的保护范围。
实施例1
一种可吸水性复合环保石头纸及其制备方法,所述石头纸按质量份数包括的组分及制备方法如下:
将75质量份的硅藻土与3质量份的γ-氨丙基三乙氧基硅烷、0.1质量份的β-(3,5-二叔丁基-4-羟基苯基)丙酸正十八碳醇酯、0.3质量份的十八烷基二甲基羟乙基季铵硝酸盐、1.5质量份的硅油、1.5质量份的硬脂酸钙在高速搅拌机中加热混合1.5小时,制成表面活化改性的可吸水无机填料。将上述改性后的可吸水无机填料与15质量份的高密度聚乙烯、10质量份的低密度聚乙烯在密炼机中混炼20分钟,得到混炼料。将上述混炼料通过单螺杆挤出机在160℃挤出造粒,得到可吸水复合母料。将上述可吸水复合母料在180℃通过挤出吹膜机成型后,再按常规方法进行冷却、电晕、涂布处理,即可得到可吸水性复合石头纸。
实施例2
一种可吸水性复合环保石头纸及其制备方法,所述石头纸按质量份数包括的组分及制备方法如下:
将80质量份的膨润土与1.5质量份的γ-氨丙基三甲氧基硅烷、1质量份的铝酸三异丙酯、0.2质量份的三(2,4-叔丁基苯基)亚磷酸酯、0.2质量份的硬脂酸三甲基氯化铵、1质量份脂肪酸酰胺、3质量份PE蜡在高速搅拌机中加热混合1.5小时,制成表面活化改性的可吸水无机填料。将上述改性后的可吸水无机填料与10质量份等规聚丙烯、10质量份的聚丙烯共聚物在密炼机中混炼20分钟,得到混炼料。将上述混炼料通过单螺杆挤出机在180℃挤出造粒,得到可吸水复合母料。将上述可吸水复合母料在200℃通过挤出吹膜机成型后,再按常规方法进行冷却、电晕、涂布处理,即可得到可吸水性复合石头纸。
实施例3
一种可吸水性复合环保石头纸及其制备方法,所述石头纸按质量份数包括的组分及制备方法如下:
将55质量份的白云石、30质量份的碳酸钙与2.5质量份的γ-缩水甘油醚氧基丙基三甲氧基硅烷、0.3质量份的1,1,3-三(2-甲基-4-羟基-5-叔丁苯基)丁烷、0.4质量份的N,N-十六烷基乙基吗啉硫酸乙酯盐、2质量份硬脂酸、2质量份硬脂酸锌在高速搅拌机中加热混合1.5小时,制成表面活化改性的可吸水无机填料。将上述改性后的可吸水无机填料与15质量份交联型羧乙基纤维素接枝丙烯酰胺在密炼机中混炼20分钟,得到混炼料。将上述混炼料通过单螺杆挤出机在180℃挤出造粒,得到可吸水复合母料。将上述可吸水复合母料在200℃通过挤出吹膜机成型后,再按常规方法进行冷却、电晕、涂布处理,即可得到可吸水性复合石头纸。
实施例4
一种可吸水性复合环保石头纸及其制备方法,所述石头纸按质量份数包括的组分及制备方法如下:
将80质量份的凹凸棒土与1.0质量份的γ-甲基丙基酰氧基丙基三甲氧基硅烷、1.8质量份的三硬脂酸钛酸异丙酯、0.2质量份的2,6-二叔丁基对甲酚、0.1质量份的亚磷酸三苯酯、0.3质量份的硬脂酸二甲基戊基氯化铵、3质量份油酸、1质量份石蜡在高速搅拌机中加热混合1.5小时,制成表面活化改性的可吸水无机填料。将上述改性后的可吸水无机填料与25质量份聚乙烯醇共聚物在密炼机中混炼20分钟,得到混炼料。将上述混炼料通过单螺杆挤出机在200℃挤出造粒,得到可吸水复合母料。将上述可吸水复合母料在220℃通过挤出吹膜机成型后,再按常规方法进行冷却、电晕、涂布处理,即可得到可吸水性复合石头纸。
实施例5
一种可吸水性复合环保石头纸及其制备方法,所述石头纸按质量份数包括的组分及制备方法如下:
将50质量份的蒙脱石、30质量份的杭棉土与2质量份的异丙基二油酸酰氧基(二辛基磷酸酰氧基)钛酸酯、1质量份的异丙基二油酸酰氧基铝酸酯、0.25质量份的四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯、0.5质量份的三羟乙基甲基季铵硫酸甲酯盐、2质量份PP蜡、3质量份硬脂酸钠在高速搅拌机中加热混合1.5小时,制成表面活化改性的可吸水无机填料。将上述改性后的可吸水无机填料与20质量份交联聚环氧乙烷在密炼机中混炼20分钟,得到混炼料。将上述混炼料通过单螺杆挤出机在160℃挤出造粒,得到可吸水复合母料。将上述可吸水复合母料在180℃通过挤出吹膜机成型后,再按常规进行冷却、电晕、涂布处理,即可得到可吸水性复合石头纸。
Claims (8)
1.一种可吸水性复合环保石头纸,其特征在于,包含按质量分数比混合的以下组分:
高分子树脂15-25份
无机吸水填料75-85份
偶联剂1-3份
抗氧剂0.1-0.3份
抗静电剂0.2-0.5份
润滑剂1-5份。
2.根据权利要求1所述的可吸水性复合环保石头纸,其特征在于:所述高分子树脂为高密度聚乙烯、低密度聚乙烯、线性低密度聚乙烯、乙烯基共聚物、等规聚丙烯、间规聚丙烯、丙烯基共聚物、淀粉接枝丙烯腈共聚物、淀粉接枝丙烯酸盐共聚物、聚丙烯酰胺共聚物、乙烯-马来酸酐共聚物、交联羧甲基纤维素、交联羧甲基纤维素接枝丙烯酰胺、交联型羧乙基纤维素接枝丙烯酰胺、聚乙烯醇共聚物、交联聚环氧乙烷中的一种或几种。
3.根据权利要求1所述的可吸水性复合环保石头纸,其特征在于:所述无机吸水填料为硅藻土、活性硅酸钙、膨润土、高岭土、蒙脱石、白云石、凹凸棒土、杭棉土、碳酸钙中的一种或几种。
4.根据权利要求1所述的可吸水性复合环保石头纸,其特征在于:所述偶联剂为硅烷类偶联剂、钛酸酯类偶联剂、铝酸酯类偶联剂中的一种或几种,可选硅烷类偶联剂为:γ-氨丙基三乙氧基硅烷、γ-氨丙基三甲氧基硅烷、γ-缩水甘油醚氧基丙基三甲氧基硅烷、γ-甲基丙基酰氧基丙基三甲氧基硅烷;可选钛酸酯类偶联剂为:三硬脂酸钛酸异丙酯、异丙基二油酸酰氧基(二辛基磷酸酰氧基)钛酸酯、钛酸四正丙酯;可选铝酸酯类偶联剂为:铝酸三异丙酯、二硬脂酰氧基异丙氧基铝酸酯、异丙基二油酸酰氧基铝酸酯、铝酸三苄酯。
5.根据权利要求1所述的可吸水性复合环保石头纸,其特征在于:所述抗氧剂为四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯(抗氧剂1010)、β-(3,5-二叔丁基-4-羟基苯基)丙酸正十八碳醇酯(抗氧剂1076)、1,1,3-三(2-甲基-4-羟基-5-叔丁苯基)丁烷(抗氧剂CA)、三(2,4-叔丁基苯基)亚磷酸酯(抗氧剂168)、硫代二丙酸二月桂酯(抗氧剂DLTP)、三(壬基苯基)亚磷酸酯(抗氧剂TNP)、亚磷酸三苯酯(抗氧剂TPP)、2,6-二叔丁基对甲酚(抗氧剂264)中的一种或几种。
6.根据权利要求1所述的可吸水性复合环保石头纸,其特征在于:所述抗静电剂为硬脂酸三甲基氯化铵、硬脂酸二甲基戊基氯化铵、十八烷基二甲基羟乙基季铵硝酸盐、三羟乙基甲基季铵硫酸甲酯盐、N,N-十六烷基乙基吗啉硫酸乙酯盐、山梨糖醇、乙醇酰胺中的一种或几种。
7.根据权利要求1所述的可吸水性复合环保石头纸,其特征在于:所述润滑剂为合成油类的硅油、脂肪酸酰胺、油酸、硬脂酸;低分子蜡类的PE蜡、PP蜡,石蜡;金属皂类的硬脂酸钠、硬脂酸钙、硬脂酸锌中的一种或几种。
8.权利要求1至7所述的任意一种可吸水性复合环保石头纸的制备方法,其特征在于包括步骤如下:
(1)可吸水性复合环保石头纸各组分按以下质量份数比备料至100份:
高分子树脂15-25份
无机吸水填料75-85份
偶联剂1-3份
抗氧剂0.1-0.3份
抗静电剂0.2-0.5份
润滑剂1-5份;
(2)将步骤(1)中的无机吸水填料与偶联剂、抗氧剂、抗静电剂及润滑剂加入高速搅拌机中加热混合1-3小时,得到表面活化改性的可吸水无机填料;
(3)将步骤(2)所得的表面活化改性的可吸水无机填料与高分子树脂通过常规密炼15-20分钟,得到混炼料;
(4)将步骤(3)所得的混炼料在160-200℃通过挤出造粒,得到可吸水复合母料;
(5)将步骤(4)所得的可吸水复合母料在180-220℃通过挤出吹膜机成型后,再按常规进行冷却、电晕、涂布处理,即可得到可吸水性复合石头纸。
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