CN106543592A - Pvc用邻羟基二苯甲酮复合环保稳定剂及其制备方法 - Google Patents
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Abstract
本发明公开了一种PVC用邻羟基二苯甲酮复合环保稳定剂及其制备方法,其由下列重量份的组分原料制备而得:氟化钙20‑30、环烷酸钡10‑12、聚苯硫醚6‑9、亚磷酸三苯酯1‑3、硬脂酸锌3‑6、硬脂酸2‑4、无水乙醇2‑4、聚偏氟乙烯20‑24、壳聚糖5‑6、邻羟基二苯甲酮2‑3、纳米高岭土10‑15。本发明稳定剂添加后使得原材料大大降低了吸水性,产品可以在潮湿或浸水环境下使用,进一步提高了电气性能稳定,柔软度和拉伸强度好,防水耐用,寿命长。
Description
技术领域
本发明涉及PVC助剂领域,具体涉及一种PVC用邻羟基二苯甲酮复合环保稳定剂及其制备方法。
背景技术
PVC即聚氯乙烯,是应用领域最广的塑料品种之一,已经广泛应用于管材型材、建筑家具、室内装饰、运动器材、医用材料等领域。但PVC制品普遍存在力学性能差、对光、热稳定性低的缺陷,并且随着人们环保意识的增强和对室内环境要求的提高,目前的PVC材料越来越难以符合市场需求,限制了其在室内装饰领域的应用。因此,改善PVC材料的综合性能,提升PVC材料的附加价值,是当今PVC室内装饰材料的潜在发展方向。目前市场上的PVC室内装饰材料耐污性不是很理想,需要进一步改进, 且PVC有一个非常重要的缺陷,就是在热加工时,容易分解产生HCl气体,自身催化导致PVC剧烈的降解,而影响PVC产品的各种性能,如使PVC产品变色或者降低其机械性能等。为了克服PVC的这种缺陷,目前主要是在PVC的热加工过程中添加适量的稳定剂。
发明内容
本发明公开了一种PVC用邻羟基二苯甲酮复合环保稳定剂及其制备方法。本发明的PVC稳定剂具有良好的热稳定性和加工性能,且环保无毒、成本低廉,在PVC的加工过程中塑化性好、并可降低平衡扭矩,且成本低。
为实现上述目的本发明采用的技术方案如下:
一种PVC用邻羟基二苯甲酮复合环保稳定剂,其特征在于:其由下列重量份的组分原料制备而得:氟化钙20-30、环烷酸钡10-12、聚苯硫醚6-9、亚磷酸三苯酯1-3、硬脂酸锌3-6、硬脂酸2-4、无水乙醇2-4、聚偏氟乙烯20-24、壳聚糖5-6、邻羟基二苯甲酮2-3、纳米高岭土10-15。
所述的PVC用邻羟基二苯甲酮复合环保稳定剂及其制备方法的制备方法,其特征在于,包括以下步骤:
(1)首先,取微氟化钙、纳米高岭土于700-800℃下煅烧1-2小时后,取出,粉碎,过60-100目筛,再加入为纳米高岭土质量9-12倍的去离子水里,于60-70℃下搅拌均匀后,浸泡8-12小时后,1700-2300r/min离心处理12-15min,干燥;
(2)将步骤(1)干燥后的物料在闪烧窑中600-800℃闪烧15-20秒,再向物料中倒入相当于纳米高岭土重量6-9倍的浓度1-2mol/L的NaOH和Na2CO3溶液,于35-45℃下,搅拌10-20分钟,再浸泡3-5h,离心处理10-19min、去离子水洗涤、烘干,粉碎,过60-100目筛;
(3)在步骤(2)处理后的物料中加入相当于其重量2-4%的硬脂酸、无水乙醇搅拌均匀后,装入反应釜,然后升温至90-95℃时,保4-8分钟,再加入相当于纳米高岭土重量1-1.4%的亚磷酸三苯酯,升温至120-130℃,保温8-15分钟,冷却至55-65℃,保温5-7分钟,即得。
(4)按配方比例将步骤(3)制得的物料、环烷酸钡、聚苯硫醚、亚磷酸三苯酯、硬脂酸锌、硬脂酸、无水乙醇、聚偏氟乙烯、壳聚糖、置于高能振磨设备中以600-800转/分的转速充分振磨40-50分钟,振磨温度50-60℃,得到混合物料;
(5)将邻羟基二苯甲酮加入搅拌釜中,缓慢升温至65-68℃,加入步骤(4)制得的混合物料及配方中的其余组分,保持温度恒定,充分搅拌1.5-2.0小时,冷却得到复合稳定剂。
有益效果:本发明的稳定剂添加后使得原材料大大降低了吸水性,产品可以在潮湿或浸水环境下使用,进一步提高了电气性能稳定,柔软度和拉伸强度好,防水耐用,寿命长,本申请是将环烷酸钡、聚苯硫醚、亚磷酸三苯酯及其它原料复配得到的复合稳定剂,原料间具有很好协同稳定作用,通过多种加工工艺处理后的纳米高岭土在其它辅助原料的处理下得到本申请的复合稳定剂,其对PVC具有协同稳定作用。
具体实施方式
PVC用邻羟基二苯甲酮复合环保稳定剂及其制备方法,其特征在于:其由下列重量份的组分原料制备而得:氟化钙20-30、环烷酸钡10-12、聚苯硫醚6-9、亚磷酸三苯酯1-3、硬脂酸锌3-6、硬脂酸2-4、无水乙醇2-4、聚偏氟乙烯20-24、壳聚糖5-6、邻羟基二苯甲酮2-3、纳米高岭土10-15。
所述的PVC用邻羟基二苯甲酮复合环保稳定剂及其制备方法的制备方法,其特征在于,包括以下步骤:
(1)首先,取微氟化钙、纳米高岭土于700-800℃下煅烧1-2小时后,取出,粉碎,过60-100目筛,再加入为纳米高岭土质量9-12倍的去离子水里,于60-70℃下搅拌均匀后,浸泡8-12小时后,1700-2300r/min离心处理12-15min,干燥;
(2)将步骤(1)干燥后的物料在闪烧窑中600-800℃闪烧15-20秒,再向物料中倒入相当于纳米高岭土重量6-9倍的浓度1-2mol/L的NaOH和Na2CO3溶液,于35-45℃下,搅拌10-20分钟,再浸泡3-5h,离心处理10-19min、去离子水洗涤、烘干,粉碎,过60-100目筛;
(3)在步骤(2)处理后的物料中加入相当于其重量2-4%的硬脂酸、无水乙醇搅拌均匀后,装入反应釜,然后升温至90-95℃时,保4-8分钟,再加入相当于纳米高岭土重量1-1.4%的亚磷酸三苯酯,升温至120-130℃,保温8-15分钟,冷却至55-65℃,保温5-7分钟,即得。
(4)按配方比例将步骤(3)制得的物料、环烷酸钡、聚苯硫醚、亚磷酸三苯酯、硬脂酸锌、硬脂酸、无水乙醇、聚偏氟乙烯、壳聚糖、置于高能振磨设备中以600-800转/分的转速充分振磨40-50分钟,振磨温度50-60℃,得到混合物料;
(5)将邻羟基二苯甲酮加入搅拌釜中,缓慢升温至65-68℃,加入步骤(4)制得的混合物料及配方中的其余组分,保持温度恒定,充分搅拌1.5-2.0小时,冷却得到复合稳定剂。
Claims (2)
1.PVC用邻羟基二苯甲酮复合环保稳定剂及其制备方法,其特征在于:其由下列重量份的组分原料制备而得:氟化钙20-30、环烷酸钡10-12、聚苯硫醚6-9、亚磷酸三苯酯1-3、硬脂酸锌3-6、硬脂酸2-4、无水乙醇2-4、聚偏氟乙烯20-24、壳聚糖5-6、邻羟基二苯甲酮2-3、纳米高岭土10-15。
2.根据权利要求1所述的PVC用邻羟基二苯甲酮复合环保稳定剂及其制备方法,其特征在于,包括以下步骤:
(1)首先,取微氟化钙、纳米高岭土于700-800℃下煅烧1-2小时后,取出,粉碎,过60-100目筛,再加入为纳米高岭土质量9-12倍的去离子水里,于60-70℃下搅拌均匀后,浸泡8-12小时后,1700-2300r/min离心处理12-15min,干燥;
(2)将步骤(1)干燥后的物料在闪烧窑中600-800℃闪烧15-20秒,再向物料中倒入相当于纳米高岭土重量6-9倍的浓度1-2mol/L的NaOH和Na2CO3溶液,于35-45℃下,搅拌10-20分钟,再浸泡3-5h,离心处理10-19min、去离子水洗涤、烘干,粉碎,过60-100目筛;
(3)在步骤(2)处理后的物料中加入相当于其重量2-4%的硬脂酸、无水乙醇搅拌均匀后,装入反应釜,然后升温至90-95℃时,保4-8分钟,再加入相当于纳米高岭土重量1-1.4%的亚磷酸三苯酯,升温至120-130℃,保温8-15分钟,冷却至55-65℃,保温5-7分钟,即得。
(4)按配方比例将步骤(3)制得的物料、环烷酸钡、聚苯硫醚、亚磷酸三苯酯、硬脂酸锌、硬脂酸、无水乙醇、聚偏氟乙烯、壳聚糖、置于高能振磨设备中以600-800转/分的转速充分振磨40-50分钟,振磨温度50-60℃,得到混合物料;
(5)将邻羟基二苯甲酮加入搅拌釜中,缓慢升温至65-68℃,加入步骤(4)制得的混合物料及配方中的其余组分,保持温度恒定,充分搅拌1.5-2.0小时,冷却得到复合稳定剂。
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CN102321312A (zh) * | 2011-07-29 | 2012-01-18 | 广东若天新材料科技有限公司 | 一种pvc管材用环保钙锌稳定剂及其制备方法 |
CN102417677A (zh) * | 2011-11-22 | 2012-04-18 | 山东瑞丰高分子材料股份有限公司 | 用于pvc型材的高效环保稳定剂 |
CN105295242A (zh) * | 2015-11-18 | 2016-02-03 | 安徽华塑股份有限公司 | 一种pvc用水滑石复合环保稳定剂及其制备方法 |
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CN102321312A (zh) * | 2011-07-29 | 2012-01-18 | 广东若天新材料科技有限公司 | 一种pvc管材用环保钙锌稳定剂及其制备方法 |
CN102417677A (zh) * | 2011-11-22 | 2012-04-18 | 山东瑞丰高分子材料股份有限公司 | 用于pvc型材的高效环保稳定剂 |
CN105295242A (zh) * | 2015-11-18 | 2016-02-03 | 安徽华塑股份有限公司 | 一种pvc用水滑石复合环保稳定剂及其制备方法 |
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