CN110511436A - 一种合成云母粉及其制备方法 - Google Patents
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Abstract
一种合成云母粉及其制备方法,云母粉40‑52份;高岭土26‑32份;氧化石墨烯9‑12份;氢氧化铝2.5‑7份;溴化环氧树脂4.5‑5.5份;磷酸三甲苯酯5‑10.5份;氧化铁8‑14份;硫酸钡6‑12份;硅酮粉6‑10份;水80‑100份;抗氧化剂6‑10份;粘合剂8‑15份。将云母粉、高岭土、氧化石墨烯、硫酸钡加入研磨机中研磨,得到混合物A;将氢氧化铝、溴化环氧树脂、硅酮粉加入研磨机中研磨,得到混合物B;将混合物A和混合物B混合搅拌;加水、和抗氧化剂、粘合剂和磷酸三甲苯酯并搅拌;烘干;研磨。该云母粉阻燃性好、导电性能稳定、不易氧化。该方法生产工艺简单,易于操作,有利于生产效率的提高。
Description
技术领域
本发明涉及高分子材料领域,具体涉及一种合成云母粉及其制备方法。
背景技术
多数的高分子材料具有优异的加工性和绝缘性,被广泛用作电子仪器仪表的壳体以及航天飞机导弹的表面涂装材料。但是,一些具有高绝缘性的高分子材料,当其表面受到摩擦或撞击时,很容易产生并积累静电。当静电累积到一定程度就会产生静电放电现象,进而可能会引起各种精密仪器、精密电子元器件被击穿,甚至会引起易燃、易爆物的起火或爆炸情况,从而会造成严重的后果。导静电涂料就是为了消除静电危害而发展起来的一种功能性涂料,由于其生产过程简单、成本低廉等特点,在近年来得到了广泛的应用和推广。目前应用较多的导电填料主要有炭黑和金属粉末(银、铜、镍),这些导电填料都具有一定的缺陷。比如,金属粉末要么价格昂贵,要么导电性能不稳定,还容易氧化,容易沉降,颜色较深。炭黑价格便宜,原料容易获得,比重较小,导电性好,但是颜色深,不易调控,且很难分散。因此,复合型导电填料应运而生。复合型导电填料就是以一种价廉、质轻的材料(如玻璃、云母、石墨等)作为基底或芯材,在其表面包复一层或几层化学稳定性好、耐腐蚀性强、电导率高的导电物质(如银、镍、铜、碳纳米管等)而得到的复合材料。
发明内容
针对上述现有技术存在的问题,本发明提供一种合成云母粉,该云母粉阻燃性好、导电性能稳定、不易氧化,各项性能优良。
本发明的另一个目的在于提供一种合成云母粉的制备方法,其工艺简单,易于操作,有利于生产效率的提高。
为了实现上述目的,本发明一种合成云母粉,包括以下重量份的原料:
所述粘合剂为醋酸乙烯树脂。
该云母粉在具有原有特性的同时,还增加了其阻燃性,抗氧化剂的加入增加了其抗氧化性。填充料采用硫酸钡,不仅可以增加制品的硬度和刚度,而且能使制品的光泽度提高,并能够使制品具有超过金属的耐磨性能和耐热性能,另外,其还能有效提高制品的耐老化性能。通过硅酮粉的加入,硅酮粉的分子量大,不易析出,使制品的稳定性更好。
本发明还提供一种合成云母粉的制备方法,包括以下步骤:
步骤一、按所述比重将云母粉、高岭土、氧化石墨烯、硫酸钡加入研磨机中,研磨30-45min,得备用混合物;
步骤二、按所述比重将氢氧化铝、溴化环氧树脂、硅酮粉加入研磨机中,研磨20-35min,得备用混合物;
步骤三、将步骤一和步骤二中的备用混合物投入到高速混合机中以200~300r/min的转速进行混合,得到备用混合物
步骤四、将步骤三得到的备用混合物加入到所述比重的水中,边搅拌边加入所述比重的抗氧化剂、粘合剂和磷酸三甲苯酯,持续搅拌10-15min,得备用混合物;
步骤五、将步骤四得到的备用混合物加入烘干机中,80-85℃烘干1.5-2.5h,得备用混合物;
步骤六、将步骤五得到的备用混合物加入到研磨机中,加入所述比重的氧化铁进行精磨30-50min。
在该技术方案中,通过该制备方法生产制品,对设备的机电负荷小,也能有效降低对设备的磨损率,能降低生产成本,有较好的经济效益。同时,该方法生产工艺简单,易于操作,有利于生产效率的提高。
具体实施方式
以下结合具体实施例对本发明作进一步详细说明。
一种合成云母粉,包括以下重量份的原料:
所述粘合剂为醋酸乙烯树脂。
实施例一:
一种合成云母粉的制备方法,包括以下步骤:
步骤一、将云母粉40份、高岭土26份、氧化石墨烯9份、硫酸钡6份加入研磨机中,研磨30min,得备用混合物;
步骤二、将氢氧化铝2.5份、溴化环氧树脂4.5份、硅酮粉6份加入研磨机中,研磨20min,得备用混合物;
步骤三、将步骤一和步骤二中的备用混合物投入到高速混合机中以200r/min的转速进行混合,得到备用混合物
步骤四、将步骤三得到的备用混合物加入到80份水中,边搅拌边加入所述比重的抗氧化剂6份、粘合剂8份和磷酸三甲苯酯5份,持续搅拌10min,得备用混合物;
步骤五、将步骤四得到的备用混合物加入烘干机中,80-85℃烘干1.5h,得备用混合物;
步骤六、将步骤五得到的备用混合物加入到研磨机中,加入8份氧化铁进行精磨30min。
实施例二:
一种合成云母粉的制备方法,包括以下步骤:
步骤一、将云母粉52份、高岭土32份、氧化石墨烯12份、硫酸钡12份加入研磨机中,研磨45min,得备用混合物;
步骤二、将氢氧化铝7份、溴化环氧树脂5.5份、硅酮粉10份加入研磨机中,研磨35min,得备用混合物;
步骤三、将步骤一和步骤二中的备用混合物投入到高速混合机中以300r/min的转速进行混合,得到备用混合物
步骤四、将步骤三得到的备用混合物加入到100份水中,边搅拌边加入所述比重的抗氧化剂10份、粘合剂15份和磷酸三甲苯酯10.5份,持续搅拌15min,得备用混合物;
步骤五、将步骤四得到的备用混合物加入烘干机中,85℃烘干2.5h,得备用混合物;
步骤六、将步骤五得到的备用混合物加入到研磨机中,加入14份氧化铁进行精磨50min。
实施例三:
一种合成云母粉的制备方法,包括以下步骤:
步骤一、将云母粉48份、高岭土29份、氧化石墨烯10份、硫酸钡10份加入研磨机中,研磨33min,得备用混合物;
步骤二、将氢氧化铝6份、溴化环氧树脂5份、硅酮粉8份加入研磨机中,研磨32min,得备用混合物;
步骤三、将步骤一和步骤二中的备用混合物投入到高速混合机中以290r/min的转速进行混合,得到备用混合物
步骤四、将步骤三得到的备用混合物加入到90份水中,边搅拌边加入所述比重的抗氧化剂8份、粘合剂12份和磷酸三甲苯酯9份,持续搅拌12min,得备用混合物;
步骤五、将步骤四得到的备用混合物加入烘干机中,80℃烘干2h,得备用混合物;
步骤六、将步骤五得到的备用混合物加入到研磨机中,加入12份氧化铁进行精磨45min。
通过该制备方法生产制品在具有原有特性的同时,还增加了其阻燃性,抗氧化剂的加入增加了其抗氧化性。填充料采用硫酸钡,不仅可以增加制品的硬度和刚度,而且能使制品的光泽度提高,并能够使制品具有超过金属的耐磨性能和耐热性能,另外,其还能有效提高制品的耐老化性能。通过硅酮粉的加入,硅酮粉的分子量大,不易析出,使制品的稳定性更好。对设备的机电负荷小,也能有效降低对设备的磨损率,能降低生产成本,有较好的经济效益。同时,该方法生产工艺简单,易于操作,有利于生产效率的提高。
Claims (3)
1.一种合成云母粉,其特征在于,包括以下重量份的原料:
2.根据权利要求1所述的一种合成云母粉的制备方法,其特征在于,所述粘合剂为醋酸乙烯树脂。
3.一种合成云母粉的制备方法,其特征在于,包括以下步骤:
步骤一、按所述比重将云母粉、高岭土、氧化石墨烯、硫酸钡加入研磨机中,研磨30-45min,得备用混合物;
步骤二、按所述比重将氢氧化铝、溴化环氧树脂、硅酮粉加入研磨机中,研磨20-35min,得备用混合物;
步骤三、将步骤一和步骤二中的备用混合物投入到高速混合机中以200~300r/min的转速进行混合,得到备用混合物
步骤四、将步骤三得到的备用混合物加入到所述比重的水中,边搅拌边加入所述比重的抗氧化剂、粘合剂和磷酸三甲苯酯,持续搅拌10-15min,得备用混合物;
步骤五、将步骤四得到的备用混合物加入烘干机中,80-85℃烘干1.5-2.5h,得备用混合物;
步骤六、将步骤五得到的备用混合物加入到研磨机中,加入所述比重的氧化铁进行精磨30-50min。
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CN109721862A (zh) * | 2019-01-10 | 2019-05-07 | 骆玲 | 一种化工泵用耐酸碱腐蚀的密封件 |
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