CN104987615A - 一种氯偏乳液改性塑料门窗 - Google Patents
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Abstract
本发明公开了一种氯偏乳液改性塑料门窗,它是由下述重量份的原料组成的:聚氯乙烯310-370、20-30%氢氧化钠溶液60-70、氯化苄36-40、二乙烯苯40-42、苯乙烯70-80、过氧化苯甲酰0.3-0.6、聚偏氟乙烯树脂6-7、氢氧化铝2-3、偏硼酸铵4-5、辛基酚聚氧乙烯醚1-2、碳酸氢钠2-4、聚丙烯酰胺4-6、硫酸铝2-3、硅藻土42-50,本发明中加入的氯偏乳液可以起到很好的防潮、防霉性,有效的延长了门窗的使用寿命。
Description
技术领域
本发明主要涉及塑料门窗领域,尤其涉及一种氯偏乳液改性塑料门窗。
背景技术
塑料门窗按材质可分为PVC 塑料门窗和玻璃纤维增强塑料(玻璃钢)门窗,其中在各类建筑窗中,PVC塑料窗在节约型材生产能耗、回收料重复再利用和使用能耗方面有突出优势,在保温节能方面有优良的性能价格比。为增加窗的刚性,在窗框、窗扇、梃型材的受力杆件中,应根据抗风压强度的设计和其它使用要求,确定使用何种增强型钢。通过UPVC树脂与着色聚甲基丙烯酸甲酯(PMMA)或丙烯腈-苯乙烯-丙烯酸酯共聚物(ASA)的共挤出,以及在白色型材上覆膜、喷涂可以获得多种质感和多种表面色彩的装饰效果。此外也有在UPVC树脂粉中加入色料混合挤出的本体染色技术。但对此技术仍有不同看法,故在选用时应特别慎重,要查验该种型材经人工加速老化试验后的颜色变化情况。建议在本体染色型材上覆同颜色膜以提高其耐候性。
在全球能源日益紧张,环境不断恶化的压力下,生物质材料由于环保性和功能性的突出也越来越引起人们的高度重视,将可再生的生物质资源转化为新材料来替代不可再生资源的消耗是如今社会建设和发展的重要趋势,而本发明则是用剑麻纤维作为塑料门窗的添加剂,可以起到节约资源,并增强塑料门窗整体性能的良好的综合效果。
发明内容
本发明目的就是一种氯偏乳液改性塑料门窗。
本发明是通过以下技术方案实现的:
一种氯偏乳液改性塑料门窗,它是由下述重量份的原料组成的:
聚氯乙烯320-370、20-30%氢氧化钠溶液60-70、氯化苄36-40、二乙烯苯40-42、苯乙烯70-80、异氰酸酯2-4、氯偏乳液4-6、环烷酸锂0.5-1、均苯四酸二酐1-2、煅石膏粉10-15、轻质碳酸钙40-47、己二酸丙二醇聚酯6-8、二丙酮醇1-2、氟硼酸钠2-3、过氧化苯甲酰0.3-0.6、烷基苯磺酸钠1-2。
一种氯偏乳液改性塑料门窗的制备方法,包括以下步骤:
(1)将上述剑麻纤维烘干磨粉,加入20-30%氢氧化钠溶液,搅拌均匀,置于-10- -5℃温度下润胀120-130分钟,室温下停放至常温,加入氯化苄、上述二乙烯苯重量的75-80%,在105-110℃的油浴中加热搅拌6.5-7小时,出料冷却,得预塑化纤维;
(2)将预塑化纤维与氯偏乳液混合,搅拌均匀后加入环烷酸锂,80-90℃下保温搅拌1-2分钟,得纤维乳液;
(3)取烷基苯磺酸钠,加入到8-10倍去离子水中,搅拌均匀后加入氟硼酸钠、纤维乳液,600-700转/分搅拌20-30分钟,得纤维混合乳液;
(4)将苯乙烯加入到1.8-2倍的去离子水中,加入剩余的二乙烯苯、过氧化苯甲酰,搅拌均匀后在80-90℃下保温反应60-70分钟,加入纤维混合乳液,保温搅拌70-80分钟,再在95-100下保温40-50分钟,出料冷却,抽滤,用无水乙醇和蒸馏水交替洗涤产物至中性,于60-70℃下真空干燥,得热塑性纤维树脂;
(5)将异氰酸酯、二丙酮醇混合,搅拌均匀后加入热塑性纤维树脂,置于70-75℃水浴中加热20-30分钟,与剩余各原料混合,送入加料挤出机内,加热搅拌至熔化,将熔化液挤入模具内并定型,挤出速度控制为2-2.5m/min,经由模具定型的PVC 型材通过冷却水箱穿水冷却成型,冷却水箱内水温控制为20-22℃。
本发明的优点是:
本发明将剑麻纤维经过冷冻润胀处理,提高了纤维素的分散性,使氯化苄对纤维素的可及度增加,经过醚化处理后羟基数量减小,纤维素结晶结构被破坏,获得热塑性,同时由于羟基数量的减少,纤维的尺寸稳定性、耐候性、耐腐蚀性等都得到了相应的增加,再加入到苯乙烯单体溶液中,可以有效的分散在形成的聚苯乙烯中,提高了表面强度、韧性、耐腐蚀性,进一步提高了成品的各项性能,其中加入的氯偏乳液可以起到很好的防潮、防霉性,有效的延长了门窗的使用寿命。
具体实施方式
实施例1:
一种氯偏乳液改性塑料门窗,其特征在于它是由下述重量份的原料组成的:
聚氯乙烯370、30%氢氧化钠溶液70、氯化苄40、二乙烯苯40、苯乙烯80、异氰酸酯2、氯偏乳液6、环烷酸锂0.5、均苯四酸二酐2、煅石膏粉15、轻质碳酸钙40、己二酸丙二醇聚酯8、二丙酮醇1、氟硼酸钠2、过氧化苯甲酰0.3、烷基苯磺酸钠1。
一种氯偏乳液改性塑料门窗的制备方法,包括以下步骤:
(1)将上述剑麻纤维烘干磨粉,加入30%氢氧化钠溶液,搅拌均匀,置于-5℃温度下润胀130分钟,室温下停放至常温,加入氯化苄、上述二乙烯苯重量的80%,在110℃的油浴中加热搅拌6.5小时,出料冷却,得预塑化纤维;
(2)将预塑化纤维与氯偏乳液混合,搅拌均匀后加入环烷酸锂,90℃下保温搅拌1分钟,得纤维乳液;
(3)取烷基苯磺酸钠,加入到10倍去离子水中,搅拌均匀后加入氟硼酸钠、纤维乳液,700转/分搅拌30分钟,得纤维混合乳液;
(4)将苯乙烯加入到1.8倍的去离子水中,加入剩余的二乙烯苯、过氧化苯甲酰,搅拌均匀后在90℃下保温反应70分钟,加入纤维混合乳液,保温搅拌80分钟,再在100下保温50分钟,出料冷却,搅拌均匀,抽滤,用无水乙醇和蒸馏水交替洗涤产物至中性,于70℃下真空干燥,得热塑性纤维树脂;
(5)将异氰酸酯、二丙酮醇混合,搅拌均匀后加入热塑性纤维树脂,置于75℃水浴中加热20-30分钟,与剩余各原料混合,送入加料挤出机内,加热搅拌至熔化,将熔化液挤入模具内并定型,挤出速度控制为2.5m/min,经由模具定型的PVC 型材通过冷却水箱穿水冷却成型,冷却水箱内水温控制为22℃。
将检测,本发明与同类塑料门窗相比重量轻5-10%,在高寒和高热地区使用均无任何异常现象;抗冲击强度增强10-20%;降噪效能更好,实现降噪50dB;主型材可焊接性良好,焊角强度最小应力可达到43MPa。
Claims (2)
1.一种氯偏乳液改性塑料门窗,其特征在于它是由下述重量份的原料组成的:
聚氯乙烯320-370、20-30%氢氧化钠溶液60-70、氯化苄36-40、二乙烯苯40-42、苯乙烯70-80、异氰酸酯2-4、氯偏乳液4-6、环烷酸锂0.5-1、均苯四酸二酐1-2、煅石膏粉10-15、轻质碳酸钙40-47、己二酸丙二醇聚酯6-8、二丙酮醇1-2、氟硼酸钠2-3、过氧化苯甲酰0.3-0.6、烷基苯磺酸钠1-2。
2.一种如权利要求1所述的氯偏乳液改性塑料门窗的制备方法,其特征在于包括以下步骤:
(1)将上述剑麻纤维烘干磨粉,加入20-30%氢氧化钠溶液,搅拌均匀,置于-10- -5℃温度下润胀120-130分钟,室温下停放至常温,加入氯化苄、上述二乙烯苯重量的75-80%,在105-110℃的油浴中加热搅拌6.5-7小时,出料冷却,得预塑化纤维;
(2)将预塑化纤维与氯偏乳液混合,搅拌均匀后加入环烷酸锂,80-90℃下保温搅拌1-2分钟,得纤维乳液;
(3)取烷基苯磺酸钠,加入到8-10倍去离子水中,搅拌均匀后加入氟硼酸钠、纤维乳液,600-700转/分搅拌20-30分钟,得纤维混合乳液;
(4)将苯乙烯加入到1.8-2倍的去离子水中,加入剩余的二乙烯苯、过氧化苯甲酰,搅拌均匀后在80-90℃下保温反应60-70分钟,加入纤维混合乳液,保温搅拌70-80分钟,再在95-100下保温40-50分钟,出料冷却,抽滤,用无水乙醇和蒸馏水交替洗涤产物至中性,于60-70℃下真空干燥,得热塑性纤维树脂;
(5)将异氰酸酯、二丙酮醇混合,搅拌均匀后加入热塑性纤维树脂,置于70-75℃水浴中加热20-30分钟,与剩余各原料混合,送入加料挤出机内,加热搅拌至熔化,将熔化液挤入模具内并定型,挤出速度控制为2-2.5m/min,经由模具定型的PVC 型材通过冷却水箱穿水冷却成型,冷却水箱内水温控制为20-22℃。
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CN102558894A (zh) * | 2012-02-21 | 2012-07-11 | 常熟市方塔涂料化工有限公司 | 一种似木模具复合材料的制备方法 |
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CN101235211A (zh) * | 2007-02-02 | 2008-08-06 | 甘益力 | 塑木材料及其制备方法和应用 |
CN101143952A (zh) * | 2007-09-12 | 2008-03-19 | 东北林业大学 | 阻燃抑烟型木塑复合材料 |
CN101747644A (zh) * | 2008-12-16 | 2010-06-23 | 金发科技股份有限公司 | 一种植物粉改性热塑性木塑复合材料及其制备方法与应用 |
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