CN105694227A - 一种高填充烷锑复合型阻燃母粒及其制备方法与应用 - Google Patents
一种高填充烷锑复合型阻燃母粒及其制备方法与应用 Download PDFInfo
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Abstract
本发明公开了一种高填充烷锑复合型阻燃母粒,以重量份为单位,所述的阻燃母粒包括以下原料:十溴二苯乙烷50-70份,三氧化二锑10-20份,滑石粉8-20份,氢氧化镁3-8份,载体树脂4-12份,助剂1-3份,抗氧剂0.4-0.6份和白油0.5-1.5份。本发明具有更好的互容性,更易于分散和添加,更卫生,并减少挥发浪费;阻燃效果更好,机械性能提高,提高氧指数,降低熔滴性;使用时可使制品件表面光滑,提高产品附加值;并且随着滑石粉和氢氧化镁的加入与添加量的改变,大大降低了生产成本。
Description
技术领域
本发明涉及化工材料领域,尤其涉及一种高填充烷锑复合型阻燃母粒及其制备方法与应用。
背景技术
近年来,随着多种阻燃剂并重使用的呼声日益提高,人们也把无机阻燃剂和有机阻燃剂相互添加。无机阻燃剂最大优点是低毒、低烟或抑烟、低腐蚀、且价格低廉,因而,国内外市场上陆续推出了一些新型环保复配阻燃母粒,使复配母粒得到了广泛应用。阻燃母粒亦称阻燃母料,防火母粒。是为了达到塑料、橡胶制品实现防火要求而产生的一类产品。阻燃母料(母粒)是在阻燃剂的基础上经过多种阻燃成份的有机结合、改性处理与协效作用,而制得的一种颗粒状产品。粉末状阻燃剂在运输过程中易产生粉尘,易受潮,不易分散,与树脂的相容性差,填充性低,添加量大,阻燃效果差、生产成本高等。十溴二苯乙烷母粒单独添加在ABS制品里,添加量大,添加量能达到20-25份,才能达到阻燃级别V0级。在生产中十溴二苯乙烷母粒含量达到90%时,挤出母粒困难,挤出电流高,压力大,产量低,颗粒不均匀,无光泽。
发明内容
本发明所要解决的技术问题是:针对现有技术存在的相容性差,填充性低,添加量大,阻燃效果差、生产成本高等不足,提供一种高填充烷锑复合型阻燃母粒及其制备方法与应用。
为解决上述技术问题,本发明的技术方案是:
一种高填充烷锑复合型阻燃母粒,以重量份为单位,所述的阻燃母粒包括以下原料:十溴二苯乙烷50-70份,三氧化二锑10-20份,滑石粉8-20份,氢氧化镁3-8份,载体树脂4-12份,助剂1-3份,抗氧剂0.4-0.6份和白油0.5-1.5份。
优选的,所述的阻燃母粒为以重量份为单位的以下原料:十溴二苯乙烷60份,三氧化二锑12份,滑石粉11.5份,氢氧化镁5份,载体树脂8份,助剂2份,抗氧剂0.5份和白油1份。
优选的,所述的载体树脂为均聚聚丙烯、低密度聚乙烯、乙烯-醋酸乙烯中至少一种。
优选的,所述的助剂为聚乙烯蜡。
一种高填充烷锑复合型阻燃母粒的制备方法,包括以下步骤:
a.以重量份为单位,按照比例准确称取十溴二苯乙烷、三氧化二锑、滑石粉、氢氧化镁、树脂、助剂、抗氧剂和白油;
b.将称取的物料投入高混机中,盖好盖子,先常温低速启动混合3分钟,然后在温度80-100℃下高速混合5-7分钟;混料完毕后,以低速旋转将物料送入密炼机;
c.设定好树脂的熔化温度,在密炼机内密炼成团后,倒出物料,投入到挤出机;
d.设定比步骤c温度高10-20℃的温度,将物料挤出;
e.将挤出后的物料进行切粒;
f.准确称量重量,检测并进行包装。
优选的,上述步骤d中温度使用水循环系统调节。
优选的,上述步骤e中切粒的速度是根据步骤d中的物料的挤出速度进行调整。
一种高填充烷锑复合型阻燃母粒的应用,所述高填充烷锑复合型阻燃母粒在聚乙烯、聚丙烯、乙烯-醋酸乙烯等塑料制品中的应用。
由于采用了上述技术方案,本发明的有益效果是:本发明的阻燃母粒与一般塑料颗粒大小相当,提高了他们之间的互容性,更易于分散和添加,更卫生,并减少挥发浪费。同时克服了生产时产生的分层,起霜,花纹等问题,制品件表面光滑,提高了产品附加值。同样在ABS制品中,单独母粒添加量20-25%,才能达到V0级,复合母粒只需添加18%。溴锑混合阻燃效果比单纯的溴、锑阻燃要好,机械性能提高,提高氧指数,降低熔滴性。相比于普通的三氧化二锑、十溴二苯乙烷粉体单独使用来说,本发明制备的复合阻燃母粒在阻燃性与力学性能有所提高,并且滑石粉氢氧化镁的加入与添加量的改变,大大降低了生产成本。
具体实施方式
下面结合实施例,进一步阐述本发明。
实施例一:以重量份为单位,准确称取十溴二苯乙烷50份,三氧化二锑20份,滑石粉12.6份,氢氧化镁3份,以均聚聚丙烯为载体12份,聚乙烯蜡1份,抗氧剂0.4份(1010和168并用),白油1.0份投入高速混合机,盖好盖子,先常温低速启动混合3分钟,然后高速混料7.0分钟,混料温度为120℃,混料结束后,打开放料阀,用低速旋转将物料送入密炼机密炼,密炼成团后,经单螺杆切粒机挤出,切粒、筛分,得到阻燃母粒产品。再添加到聚丙烯制品中,添加量为3%-5%,就能达到该产品的防火要求,阻燃级别V2级。
添加3%复合阻燃母粒到聚丙烯中,在水平垂直燃烧测定仪下测得数据如下(见表1):
表1.1.6mm样条阻燃性能检测结果v2
实施例二:以重量为单位,准确称取十溴二苯乙烷60份,三氧化二锑12份,滑石粉12份,氢氧化镁8份,以低密度聚乙烯为载体4份,聚乙烯蜡2份,抗氧剂0.5份(1010和168并用),白油1.5份投入高速混合机,盖好盖子,先常温低速启动混合3分钟,然后高速混料7.0分钟,混料温度为100℃,混料结束后,打开放料阀,用低速旋转将物料送入密炼机密炼,密炼成团后,经单螺杆切粒机挤出,切粒、筛分,得到阻燃母粒产品。再添加到其它塑料制品中(聚乙烯除外),添加量为20%左右,就能达到国家规定的防火要求,阻燃级别V0级。添加到聚乙烯制品中,添加量在8%左右,会减缓火焰的燃烧速度,同样制品火焰燃烧速度比未添加的小20s,添加量过大,会严重影响聚乙烯制品的力学性能和机械性能。
添加16%复合阻燃母粒到PBT中,在水平垂直燃烧测定仪下测得数据如下(见表2):
表2.1.6mm样条阻燃性能检测结果v0
实施例三:以重量为单位,称取十溴二苯乙烷70份,三氧化二锑10.9份,滑石粉8份,氢氧化镁3份,以EVA(乙烯-醋酸乙烯)为载体4份,聚乙烯蜡3份,抗氧剂0.6份(1010和168并用),白油0.5份投入高速混合机,盖好盖子,先常温低速启动混合3分钟,然后高速混料7.0分钟,混料温度为75℃,混料结束后,打开放料阀,用低速旋转将物料送入密炼机密炼,密炼成团后,经单螺杆切粒机挤出,切粒、筛分,得到阻燃母粒产品。添加到塑料制品中,添加量为20%左右,就能达到V0级国家规定的防火要求。
添加19%复合阻燃母粒到ABS中,在水平垂直燃烧测定仪下测得数据如下(见表3):
表3.1.6mm样条阻燃性能检测结果v0
塑料阻燃等级由HB,V-2,V-1向V-0逐级递增:
1、HB:UL94标准中最低的阻燃等级。要求对于3到13毫米厚的样品,燃烧速度小于40毫米每分钟;小于3毫米厚的样品,燃烧速度小于70毫米每分钟;或者在100毫米的标志前熄灭。
2、V-2:对样品进行两次10秒的燃烧测试后,火焰在60秒内熄灭。可以有燃烧物掉下。
3、V-1:对样品进行两次10秒的燃烧测试后,火焰在60秒内熄灭。不能有燃烧物掉下。
4、V-0:对样品进行两次10秒的燃烧测试后,火焰在30秒内熄灭。不能有燃烧物掉下。
应理解,这些实施例仅用于说明本发明而不用于限制本发明的范围。此外应理解,在阅读了本发明讲授的内容之后,本领域技术人员可以对本发明作各种改动或修改,这些等价形式同样落于本申请所附权利要求书所限定的范围。
Claims (8)
1.一种高填充烷锑复合型阻燃母粒,其特征在于:以重量份为单位,所述阻燃母粒包括以下原料:十溴二苯乙烷50-70份,三氧化二锑10-20份,滑石粉8-20份,氢氧化镁3-8份,载体树脂4-12份,助剂1-3份,抗氧剂0.4-0.6份和白油0.5-1.5份。
2.如权利要求1所述的高填充烷锑复合型阻燃母粒,其特征在于:所述阻燃母粒包括以重量份为单位的以下原料:十溴二苯乙烷60份,三氧化二锑12份,滑石粉11.5份,氢氧化镁5份,载体树脂8份,助剂2份,抗氧剂0.5份和白油1份。
3.如权利要求2所述的高填充烷锑复合型阻燃母粒,其特征在于:所述载体树脂为均聚聚丙烯、低密度聚乙烯、乙烯-醋酸乙烯中至少一种。
4.如权利要求2所述的高填充烷锑复合型阻燃母粒,其特征在于:所述助剂为聚乙烯蜡。
5.一种高填充烷锑复合型阻燃母粒的制备方法,其特征在于:所述制备方法包括以下步骤:
a.以重量份为单位,按比例称取十溴二苯乙烷、三氧化二锑、滑石粉、氢氧化镁、树脂、助剂、抗氧剂和白油;
b.将称取的物料投入高混机中,盖好盖子,先常温低速启动混合3分钟,然后在温度80-100℃下高速混合5-7分钟;混料完毕后,以低速旋转将物料送入密炼机;
c.设定好树脂的熔化温度,在密炼机内密炼成团后,倒出物料,投入到挤出机;
d.设定比步骤c温度高10-20℃的温度,将物料挤出;
e.将挤出后的物料进行切粒;
f.称重,检测并进行包装。
6.如权利要求5所述的高填充烷锑复合型阻燃母粒的制备方法,其特征在于:所述步骤d中温度使用水循环系统调节。
7.如权利要求5所述的高填充烷锑复合型阻燃母粒的制备方法,其特征在于:所述步骤e中切粒的速度是根据步骤d中的物料的挤出速度进行调整。
8.一种高填充烷锑复合型阻燃母粒的应用,其特征在于;所述高填充烷锑复合型阻燃母粒在聚乙烯、聚丙烯、乙烯-醋酸乙烯等塑料制品中的应用。
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CN111057302A (zh) * | 2019-12-30 | 2020-04-24 | 广东国珑新材料科技有限公司 | 一种复合无机阻燃母粒及其制备方法 |
CN113698737A (zh) * | 2021-10-15 | 2021-11-26 | 湖南美莱珀科技发展有限公司 | 一种阻燃材料、含该阻燃材料的母粒及母粒的制备方法 |
CN114015164A (zh) * | 2021-11-25 | 2022-02-08 | 安庆会通新材料有限公司 | 一种阻燃聚丙烯材料及其制备方法 |
CN114230932A (zh) * | 2021-11-23 | 2022-03-25 | 金发科技股份有限公司 | 一种阻燃填充聚丙烯材料及其制备方法与应用 |
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CN1865335A (zh) * | 2006-06-26 | 2006-11-22 | 李彦波 | 一种高浓度塑料纳米阻燃母粒的生产方法 |
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Cited By (4)
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CN111057302A (zh) * | 2019-12-30 | 2020-04-24 | 广东国珑新材料科技有限公司 | 一种复合无机阻燃母粒及其制备方法 |
CN113698737A (zh) * | 2021-10-15 | 2021-11-26 | 湖南美莱珀科技发展有限公司 | 一种阻燃材料、含该阻燃材料的母粒及母粒的制备方法 |
CN114230932A (zh) * | 2021-11-23 | 2022-03-25 | 金发科技股份有限公司 | 一种阻燃填充聚丙烯材料及其制备方法与应用 |
CN114015164A (zh) * | 2021-11-25 | 2022-02-08 | 安庆会通新材料有限公司 | 一种阻燃聚丙烯材料及其制备方法 |
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