CN108582919A - 一种用于墙面装饰的高粘结性塑料复合片材及制备方法 - Google Patents
一种用于墙面装饰的高粘结性塑料复合片材及制备方法 Download PDFInfo
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Abstract
本发明属于复合装饰片材的技术领域,提供了一种用于墙面装饰的高粘结性塑料复合片材及制备方法。该方法将多孔玻璃微珠负载渗透结晶母料后分散于玻璃纤维毡制成复合纤维毡,然后覆盖于改性沥青胶料、SBS粉料、钛酸酯偶联剂、聚异丁烯及聚异戊二烯制成胶料层上,然后与热塑性装饰薄膜复合制成三层结构的墙面装饰用复合片材。与传统方法相比,本发明的制备的备的塑料复合片材,与混凝土墙面紧密结合,牢固粘结,对温度的敏感性弱,在低温时片材的粘结性依然较强,并且制备过程简单,成本低廉,可广泛用于墙面装饰行业。
Description
技术领域
本发明属于复合装饰片材的技术领域,提供了一种用于墙面装饰的高粘结性塑料复合片材及制备方法。
背景技术
随着现代生活质量水平的提高,人们对家居生活的装饰装修越来越重视,室内地面、墙面、顶面等位置常常需要通过片材装饰,人们需要更加丰富多样的室内装修样式,因此市场上需要不断的出现新式的室内装饰片材,以满足人们丰富的审美需求。
现阶段饰面工程(含装饰片材、板材)的施工方法一般有粘贴法、镶嵌法、干挂法三种;传统的粘贴法施工工序多且基本是固定安装,更换或更新困难,打孔连接安装后对装饰组件外侧表面钉孔痕迹还需进行修补,影响美观,不利于推广。目前,墙面装饰片材的人造大理石和复合板材,其表面的装饰,通常会在产品表面的材料中间添加一些点状的彩色纤维装饰材料,以增加绚丽的色彩。由于这些点状的彩色纤维装饰材料是直接加入的,因此在使用一段时间后,人造大理石和复合板材的表面会因磨损产生金属亮点裸露或脱落现象,影响美观和使用寿命。
利用沥青做板材粘结材料是目前常用的方法,但存在一定的问题,如随着时间的增加,沥青易老化,里面增塑剂和软化油存在一定迁移和挥发,沥青自粘层粘结性能会急剧下降。特别地,在北方冬季气温下降过快,因沥青基卷材对温度的敏感性极强,温度越低和温度变化频繁,自粘胶料层粘结性能也会大幅下降。因此提高粘胶料的粘结强度是其发展和应用的关键。
目前国内外在墙面材料,尤其是具有较好粘结性能的墙面材料方面已取得了一定成效。其中朱方伍等人发明了一种双反应粘高分子防水卷材(中国发明专利申请号201711009507.3),包括:至少一层高分子膜;和至少一层与高分子膜粘结的胶料层;胶料层通过化学反应与所述高分子膜粘合,并能与水泥基材料通过化学反应粘合;该发明的防水卷材中的胶料层既能与水泥基面之间产生化学反应粘结,又能与高分子膜层之间发生化学反应粘结,实现双反应粘结效果,彻底解决防水卷材在实际应用过程中,冷、热、干、湿反复作用下,卷材胶料层与水泥基面脱粘分离、卷材胶料层与高分子膜层脱粘分离的技术难题。另外,邓义增发明了一种塑料制品装饰板(中国发明专利申请号201510704116.8),包括第一塑料板和第二塑料板,第一塑料板粘接在所述第二塑料板上,第一塑料板在粘接面侧设有凹槽,第二塑料板在粘接面侧设有凸起,凸起对应插入所述凹槽中,凸起高度小于所述凹槽的深度,凸起与所述凹槽之间填充有涂料;该发明在两层塑料板之间设置深度不同的凹凸结构,形成的空腔中填充涂料,使得装饰板的装饰存在立体感,并且两层塑料板粘接稳固,整体结构稳定,装饰效果好。
可见,现有技术中的装饰片材存在粘结效果不好,装饰层强度不够,防水效果不佳,以及使用寿命短,胶粘剂存在污染性等问题,尤其是在低温状态下的粘结性能不佳,难以满足应用要求。
发明内容
针对这种情况,我们提出一种用于墙面装饰的高粘结性塑料复合片材及制备方法,可有效提高复合片材的粘结性能,拓宽了应用范围。
为实现上述目的,本发明涉及的具体技术方案如下:
一种用于墙面装饰的高粘结性塑料复合片材的制备方法,将多孔玻璃微珠负载渗透结晶母料后分散于玻璃纤维毡制成复合纤维毡,然后覆盖于改性沥青胶料、SBS粉料、钛酸酯偶联剂、聚异丁烯及聚异戊二烯制成胶料层上,然后与热塑性装饰薄膜复合制成三层结构的墙面装饰用复合片材,制备的具体步骤如下:
(1)在改性沥青胶料中添加SBS粉料、钛酸酯偶联剂、聚异丁烯及聚异戊二烯,在升温状态下进行搅拌,然后在基台上涂布成层状,制得胶料层;
(2)将渗透结晶母料分散于多孔玻璃微珠,使渗透结晶母料负载于玻璃微珠的孔隙中,进一步分散于玻璃纤维毡的网格中,制成复合纤维毡,并覆盖在步骤(1)制得的胶料层的上表面,制得双层复合片材;
(3)采用等离子体处理热塑性装饰薄膜的表面,然后与步骤(2)制得的双层复合片材进行再次复合,制得三层结构的高粘结性塑料复合片材。
优选的,步骤(1)所述改性沥青胶料为天然橡胶改性沥青胶料、SBS改性沥青胶料、丁苯橡胶改性沥青胶料、聚乙烯改性沥青胶料、聚苯乙烯改性沥青胶料、环氧树脂改性沥青胶料中的至少一种。
优选的,步骤(1)所述钛酸酯偶联剂为异丙基三(二辛基焦磷酰基)钛酸酯、二(二辛基焦磷酰基)乙撑钛酸酯、异丙基三(十二烷基苯磺酰基)钛酸酯、异丙基三(正乙氨基-乙氨基)钛酸酯中的至少一种。
优选的,步骤(1)所述升温温度为70~82℃,搅拌速度为20~40r/min。
优选的,步骤(1)中各原料组分的重量份为,改性沥青胶料61~73重量份、SBS粉料5~8重量份、钛酸酯偶联剂2~3重量份、聚异丁烯12~15重量份、聚异戊二烯8~13重量份。
优选的,步骤(2)中各原料组分的重量份为,渗透结晶母料6~10重量份、多孔玻璃微珠20~30重量份、玻璃纤维毡60~74重量份。
优选的,步骤(3)所述等离子体处理的基本粒子为电子、正离子、亚稳态离子、紫外线光子、臭氧中的至少一种,真空度为30~35Pa,等离子速度为1.5×106~2×106m/s,处理时间为15~25min。
优选的,步骤(3)所述热塑性装饰薄膜为聚氯乙烯膜、聚对苯二甲酸乙二醇酯膜、聚乙烯膜、乙烯-乙酸乙烯酯共聚膜中的一种。
渗透结晶母料材料中含有的活性化合物与水作用后,以水为载体,可向混凝土内部结构的空隙进行渗透,渗透到砼内部的孔隙中的活性化合物与混凝土中的游离氧化钙交互反应生成不溶于水的枝蔓状纤维结晶物,结晶物在结构孔缝中吸水膨胀,由疏至密,达到牢固复合和抗渗的母粒。渗透结晶母料为市售母料, 优选的渗透结晶母料由高铝熟料、硅微粉、十二水硫酸铝钾、氢氧化钙、膨润土、硅酸钠组成。聚异丁烯是一种典型的饱和线型聚合物。分子链主体不含双键,无长支链存在,无不对称碳原子,并且结构单元以首一尾有规序列连接,与聚异戊二烯在的混合物室温下结晶,硬度高,抗拉强度高,因此,本发明通过偶联剂将其余渗透结晶母料产生协同作用,达到与混凝土墙面紧密结合,牢固粘结的目的,并且保证了自身性能的稳定性。
本发明还提供一种上述制备方法制备得到的用于墙面装饰的高粘结性塑料复合片材及制备方法。
该方法将多孔玻璃微珠负载渗透结晶母料后分散于玻璃纤维毡制成复合纤维毡,然后覆盖于改性沥青胶料、SBS粉料、钛酸酯偶联剂、聚异丁烯及聚异戊二烯制成胶料层上,然后与热塑性装饰薄膜复合制成三层结构的墙面装饰用复合片材。与传统方法相比,本发明的制备的备的塑料复合片材,与混凝土墙面紧密结合,牢固粘结,对温度的敏感性弱,在低温时片材的粘结性依然较强,并且制备过程简单,成本低廉,可广泛用于墙面装饰行业。
本发明提供了一种用于墙面装饰的高粘结性塑料复合片材及制备方法,与现有技术相比,其突出的特点和优异的效果在于:
1.本发明制备的塑料复合片材,可广泛用于墙面装饰行业。
2.本发明的制备方法,通过多孔玻璃微珠负载并缓释渗透结晶母料与沥青胶料层中的偶联剂、聚异丁烯与聚异戊二烯的混合物产生协同作用,与混凝土墙面紧密结合,牢固粘结,显著改善了低温时片材的粘结性,具有显著的防水性,拓宽了使用范围。
3.本发明的制备过程简单,成本低廉,可规模化推广应用。
具体实施方式
以下通过具体实施方式对本发明作进一步的详细说明,但不应将此理解为本发明的范围仅限于以下的实例。在不脱离本发明上述方法思想的情况下,根据本领域普通技术知识和惯用手段做出的各种替换或变更,均应包含在本发明的范围内。
实施例1
在67kg天然橡胶改性沥青胶料中添加7kgSBS粉料、3kg异丙基三(二辛基焦磷酰基)钛酸酯、13kg聚异丁烯及10kg聚异戊二烯,加热到75℃以32r/min的速度进行搅拌,然后在基台上涂布成层状,制得胶料层;将9kg渗透结晶母料分散于26kg多孔玻璃微珠,进一步分散于65kg玻璃纤维毡的网格中,制成复合纤维毡,并覆盖在胶料层的上表面,制得双层复合片材;采用等离子体处理的聚氯乙烯膜的表面,然后与双层复合片材进行再次复合,制得三层结构的高粘结性塑料复合片材。
测试方法:
粘接性能:设备为ZQS6-2000A粘接强度检测仪,将得到的塑料复合片材制成边长为100mm、平均厚度为2mm的试样,粘附于清洁干净的混凝土表面,试验速度为10mm/min,分别在25℃、0℃和-20℃下将试样保持40min,测定粘接强度。
片材表面盛水,放置24h,观察浸水情况。针刺穿后,片材表面盛水,放置24h,观察浸水情况。
所得数据如表1所示。
实施例2
在73kg SBS改性沥青胶料中添加5kgSBS粉料、2kg二(二辛基焦磷酰基)乙撑钛酸酯、12kg聚异丁烯及8kg聚异戊二烯,加热到70℃以40r/min的速度进行搅拌,然后在基台上涂布成层状,制得胶料层;将6kg渗透结晶母料分散于20kg多孔玻璃微珠,进一步分散于60kg玻璃纤维毡的网格中,制成复合纤维毡,并覆盖在胶料层的上表面,制得双层复合片材;采用等离子体处理的聚对苯二甲酸乙二醇酯膜的表面,然后与双层复合片材进行再次复合,制得三层结构的高粘结性塑料复合片材。
测试方法与实施例1一致,所得数据如表1所示。
实施例3
在61kg丁苯橡胶改性沥青胶料中添加8kgSBS粉料、3kg异丙基三(十二烷基苯磺酰基)钛酸酯、15kg聚异丁烯及13kg聚异戊二烯,加热到82℃以20r/min的速度进行搅拌,然后在基台上涂布成层状,制得胶料层;将10kg渗透结晶母料分散于30kg多孔玻璃微珠,进一步分散于60kg玻璃纤维毡的网格中,制成复合纤维毡,并覆盖在胶料层的上表面,制得双层复合片材;采用等离子体处理的聚乙烯膜的表面,然后与双层复合片材进行再次复合,制得三层结构的高粘结性塑料复合片材。
测试方法与实施例1一致,所得数据如表1所示。
实施例4
在70kg天聚乙烯改性沥青胶料中添加6kgSBS粉料、2kg异丙基三(正乙氨基-乙氨基)钛酸酯、13kg聚异丁烯及9kg聚异戊二烯,加热到72℃以35r/min的速度进行搅拌,然后在基台上涂布成层状,制得胶料层;将7kg渗透结晶母料分散于23kg多孔玻璃微珠,进一步分散于70kg玻璃纤维毡的网格中,制成复合纤维毡,并覆盖在胶料层的上表面,制得双层复合片材;采用等离子体处理的乙烯-乙酸乙烯酯共聚膜的表面,然后与双层复合片材进行再次复合,制得三层结构的高粘结性塑料复合片材。
测试方法与实施例1一致,所得数据如表1所示。
实施例5
在64kg聚苯乙烯改性沥青胶料中添加7kgSBS粉料、3kg异丙基三(二辛基焦磷酰基)钛酸酯、14kg聚异丁烯及12kg聚异戊二烯,加热到80℃以25r/min的速度进行搅拌,然后在基台上涂布成层状,制得胶料层;将9kg渗透结晶母料分散于28kg多孔玻璃微珠,进一步分散于63kg玻璃纤维毡的网格中,制成复合纤维毡,并覆盖在胶料层的上表面,制得双层复合片材;采用等离子体处理的聚氯乙烯膜的表面,然后与双层复合片材进行再次复合,制得三层结构的高粘结性塑料复合片材。
测试方法与实施例1一致,所得数据如表1所示。
实施例6
在66kg环氧树脂改性沥青胶料中添加6kgSBS粉料、3kg二(二辛基焦磷酰基)乙撑钛酸酯、14kg聚异丁烯及11kg聚异戊二烯,加热到76℃以30r/min的速度进行搅拌,然后在基台上涂布成层状,制得胶料层;将8kg渗透结晶母料分散于25kg多孔玻璃微珠,进一步分散于67kg玻璃纤维毡的网格中,制成复合纤维毡,并覆盖在胶料层的上表面,制得双层复合片材;采用等离子体处理的聚乙烯膜的表面,然后与双层复合片材进行再次复合,制得三层结构的高粘结性塑料复合片材。
测试方法与实施例1一致,所得数据如表1所示。
对比例1
塑料复合片材制备过程中,无多孔玻璃微珠未负载渗透结晶母料,制得的塑料复合片材,其他制备条件与实施例6一致。
测试方法与实施例1一致,所得数据如表1所示。
表1:
Claims (9)
1.一种用于墙面装饰的高粘结性塑料复合片材的制备方法,其特征在于,将多孔玻璃微珠负载渗透结晶母料后分散于玻璃纤维毡制成复合纤维毡,然后覆盖于改性沥青胶料、SBS粉料、钛酸酯偶联剂、聚异丁烯及聚异戊二烯制成胶料层上,然后与热塑性装饰薄膜复合制成三层结构的墙面装饰用复合片材,制备的具体步骤如下:
(1)在改性沥青胶料中添加SBS粉料、钛酸酯偶联剂、聚异丁烯及聚异戊二烯,在升温状态下进行搅拌,然后在基台上涂布成层状,制得胶料层;
(2)将渗透结晶母料分散于多孔玻璃微珠,使渗透结晶母料负载于玻璃微珠的孔隙中,进一步分散于玻璃纤维毡的网格中,制成复合纤维毡,并覆盖在步骤(1)制得的胶料层的上表面,制得双层复合片材;
(3)采用等离子体处理热塑性装饰薄膜的表面,然后与步骤(2)制得的双层复合片材进行再次复合,制得三层结构的高粘结性塑料复合片材。
2.根据权利要求1所述一种用于墙面装饰的高粘结性塑料复合片材的制备方法,其特征在于:步骤(1)所述改性沥青胶料为天然橡胶改性沥青胶料、SBS改性沥青胶料、丁苯橡胶改性沥青胶料、聚乙烯改性沥青胶料、聚苯乙烯改性沥青胶料、环氧树脂改性沥青胶料中的至少一种。
3.根据权利要求1所述一种用于墙面装饰的高粘结性塑料复合片材的制备方法,其特征在于:步骤(1)所述钛酸酯偶联剂为异丙基三(二辛基焦磷酰基)钛酸酯、二(二辛基焦磷酰基)乙撑钛酸酯、异丙基三(十二烷基苯磺酰基)钛酸酯、异丙基三(正乙氨基-乙氨基)钛酸酯中的至少一种。
4.根据权利要求1所述一种用于墙面装饰的高粘结性塑料复合片材的制备方法,其特征在于:步骤(1)所述升温温度为70~82℃,搅拌速度为20~40r/min。
5.根据权利要求1所述一种用于墙面装饰的高粘结性塑料复合片材的制备方法,其特征在于:步骤(1)中各原料组分的重量份为,改性沥青胶料61~73重量份、SBS粉料5~8重量份、钛酸酯偶联剂2~3重量份、聚异丁烯12~15重量份、聚异戊二烯8~13重量份。
6.根据权利要求1所述一种用于墙面装饰的高粘结性塑料复合片材的制备方法,其特征在于:步骤(2)中各原料组分的重量份为,渗透结晶母料6~10重量份、多孔玻璃微珠20~30重量份、玻璃纤维毡60~74重量份。
7.根据权利要求1所述一种用于墙面装饰的高粘结性塑料复合片材的制备方法,其特征在于:步骤(3)所述等离子体处理的基本粒子为电子、正离子、亚稳态离子、紫外线光子、臭氧中的至少一种,真空度为30~35Pa,等离子速度为1.5×106~2×106m/s,处理时间为15~25min。
8.根据权利要求1所述一种用于墙面装饰的高粘结性塑料复合片材的制备方法,其特征在于:步骤(3)所述热塑性装饰薄膜为聚氯乙烯膜、聚对苯二甲酸乙二醇酯膜、聚乙烯膜、乙烯-乙酸乙烯酯共聚膜中的一种。
9.权利要求1~8任一项所述制备方法制备得到的高粘结性塑料复合片材。
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