CN112552695B - 彩色沥青胶结料及制备方法 - Google Patents
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Abstract
本发明公开了彩色沥青胶结料及制备方法,首先,将芳烃油和环烷油混合均匀,然后依次加入增强剂、石油树脂、加氢石油树脂和聚丙烯酸树脂,混合均匀后,使用高速剪切机进行剪切,并升温至150‑170℃,剪切25‑30min;然后,停止加热,同时加入增效剂,继续剪切30‑35min,然后自然冷却至室温,得到彩色沥青胶结料,本发明克服了现有技术的不足,本发明通过使用增效剂和增强剂与现有的沥青粘结料的组分进行复配使用,使现有的沥青粘结料的耐老化和该高温性能得到了增强。
Description
技术领域
本发明涉及沥青胶结料技术领域,具体属于彩色沥青胶结料及制备方法。
背景技术
彩色沥青,又名彩色胶结料,是模仿石油沥青组分,采用石油树脂与SBS改性剂等化工材料共混改性而成的胶结料,这种沥青本身并不是彩色或者无色,而是深褐色,近年因市场习惯统称为彩色沥青。彩色沥青三大指标需要达到基质沥青技术指标要求,其技术要求符合CJJ/T 218-2014《城市道路彩色沥青混凝土路面技术规程》。根据其路用性能LS系列彩色沥青分为基质、改性、特种三大类,适应彩色铺装市场各种不同需求。但是普通彩色沥青胶结料还存在耐老化性能不足和耐高温性能差的问题,而现有的耐老化和耐高温的彩色沥青胶结料生产过程复杂,原料昂贵,生产成本高。
发明内容
本发明的目的是提供彩色沥青胶结料及制备方法,克服普通彩色沥青胶结料耐老化性能不足和耐高温性能差的问题。
为解决上述问题,本发明所采取的技术方案如下:
彩色沥青胶结料,包括增强剂、增效剂和胶结料,所述的增强剂、增效剂和胶结料的重量百分比为5-10:3-6:85-100,所述的胶结料包括以下原料:芳烃油、环烷油、石油树脂、加氢石油树脂、聚丙烯酸树脂。
优选地,所述的增强剂由以下重量份的原料制备而成:碱3-5份、氯化镁10-15份、氧化镁30-40份、水60-80份、膨胀石墨20-25份。
优选地,所述的增强剂的制备方法为:将碱溶于水中,然后加入膨胀石墨搅拌混合均匀,然后加热至60-80℃,保温1-2h,降至室温,然后加入氯化镁和氧化镁搅拌混合均匀,反应2-3h,然后将水蒸干,固体粉碎,得到增强剂。
优选地,所述的碱为氢氧化钠、氢氧化钾或碳酸钠中的至少一种。
优选地,所述的增效剂的制备方法为:将3-5份乙烯醋酸乙烯酯乳液与10-13份的氯化锌搅拌均匀混合,即可制备而成。
彩色沥青胶结料的制备方法包括以下步骤:首先,将芳烃油和环烷油混合均匀,然后依次加入增强剂、石油树脂、加氢石油树脂和聚丙烯酸树脂,混合均匀后,使用高速剪切机进行剪切,并升温至150-170℃,剪切25-30min;然后,停止加热,同时加入增效剂,继续剪切30-35min,然后自然冷却至室温,得到彩色沥青胶结料。
本发明与现有技术相比较,本发明的实施效果如下:
1、本发明通过使用增效剂和增强剂与现有的沥青粘结料的组分进行复配使用,使现有的沥青粘结料的耐老化和该高温性能得到了增强,且增效剂有效的提高了沥青粘结料的耐老化特性,同时提高了增强剂对现有的沥青粘结料耐高温特性的增强作用。
2、本发明的增强剂使用氯化镁、氧化镁和膨胀石墨为原料,氯化镁和氧化镁在与碱和膨胀石墨反应后,促进了膨胀石墨结构的稳定性,且增强剂加入到胶结料内后,膨胀石墨作为支撑结构,起到了导电媒介的作用,使氧化镁和氯化镁能够吸收和转移膨胀石墨吸收的电子,减弱了环境对胶结料的氧化作用,提高了耐老化性,同时膨胀石墨优异的导热性能使粘结料的传热能力得到了提升,且氧化镁和氯化镁产生的支撑作用提高了强度,从而提高了该沥青胶结料的耐高温性能。
3、本发明的增效剂具有固化和电子媒介的能力,加入的氯化锌能够与镁和石墨产生电子跃迁和转移,有效的减弱了该沥青粘结料电子集聚和被氧化的现象,提高了耐老化性能,同时乙烯醋酸乙烯酯乳液固化后提高了该沥青粘结料的耐高温性能。
具体实施方式
下面将对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
本发明的乙烯醋酸乙烯酯乳液来源于山东金耐特环保科技有限公司,其他原料均为市售工业原料。
实施例1
将3kg氢氧化钠溶于80kg水中,然后加入23kg膨胀石墨搅拌混合均匀,然后加热至60℃,保温1.5h,降至室温,然后加入12kg氯化镁和32kg氧化镁搅拌混合均匀,反应2h,然后将水蒸干,固体粉碎至200目以下,得到增强剂。
将4kg乙烯醋酸乙烯酯乳液与12kg的氯化锌搅拌均匀混合得到增效剂。
将芳烃油30kg和环烷油34kg混合均匀,然后依次加入增强剂8kg、石油树脂25kg、加氢石油树脂10kg和聚丙烯酸树脂1kg,混合均匀后,使用高速剪切机进行剪切,并升温至150℃,剪切25min;然后,停止加热,同时加入增效剂5kg,继续剪切35min,然后自然冷却至室温,得到彩色沥青胶结料。
实施例2
将3kg氢氧化钾溶于70kg水中,然后加入20kg膨胀石墨搅拌混合均匀,然后加热至70℃,保温1.5h,降至室温,然后加入14kg氯化镁和35kg氧化镁搅拌混合均匀,反应2h,然后将水蒸干,固体粉碎至200目以下,得到增强剂。
将3kg乙烯醋酸乙烯酯乳液与10kg的氯化锌搅拌均匀混合得到增效剂。
将芳烃油30kg和环烷油32kg混合均匀,然后依次加入增强剂6kg、石油树脂22kg、加氢石油树脂13kg和聚丙烯酸树脂1kg,混合均匀后,使用高速剪切机进行剪切,并升温至160℃,剪切28min;然后,停止加热,同时加入增效剂3kg,继续剪切30min,然后自然冷却至室温,得到彩色沥青胶结料。
实施例3
将5kg碳酸钠溶于80kg水中,然后加入25kg膨胀石墨搅拌混合均匀,然后加热至80℃,保温1.5h,降至室温,然后加入15kg氯化镁和40kg氧化镁搅拌混合均匀,反应2h,然后将水蒸干,固体粉碎至200目以下,得到增强剂。
将5kg乙烯醋酸乙烯酯乳液与13kg的氯化锌搅拌均匀混合得到增效剂。
将芳烃油27kg和环烷油30kg混合均匀,然后依次加入增强剂5kg、石油树脂21kg、加氢石油树脂15kg和聚丙烯酸树脂1kg,混合均匀后,使用高速剪切机进行剪切,并升温至170℃,剪切30min;然后,停止加热,同时加入增效剂5kg,继续剪切35min,然后自然冷却至室温,得到彩色沥青胶结料。
对照例1
与实施例1的不同在于,增强剂的加入量为0。
对照例2
与实施例1的不同在于,增效剂的加入量为0。
对照例3
与实施例1的不同在于,氯化锌的加入量为0。
采用T0604-2011、T0606-2011、T0605-2011、T0625-2011中的测试方法对上述实施例和对照例所得彩色沥青胶结料的技术性质进行测试,结果如下表所示:
利用波长300-360nm的紫外灯在室温条件下光照96h对实施例和对照例所得彩色沥青胶结料进行紫外老化,其中样品距离紫外灯光源10cm结果如下表:
由老化前后的彩色沥青胶结料的以上数据对比可以明显看出,通过使用增效剂和增强剂与现有的沥青粘结料的组分进行复配使用,使现有的沥青粘结料的耐老化和该高温性能得到了增强,且增效剂有效的提高了沥青粘结料的耐老化特性,同时提高了增强剂对现有的沥青粘结料耐高温特性的增强作用。
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。
Claims (3)
1.彩色沥青胶结料,其特征在于,包括增强剂、增效剂和胶结料,所述的增强剂、增效剂和胶结料的重量百分比为5-10:3-6:85-100,所述的胶结料包括以下原料:芳烃油、环烷油、石油树脂、加氢石油树脂、聚丙烯酸树脂;
所述的增强剂由以下重量份的原料制备而成:碱3-5份、氯化镁10-15份、氧化镁30-40份、水60-80份、膨胀石墨20-25份;所述的增强剂的制备方法为:将碱溶于水中,然后加入膨胀石墨搅拌混合均匀,然后加热至60-80℃,保温1-2h,降至室温,然后加入氯化镁和氧化镁搅拌混合均匀,反应2-3h,然后将水蒸干,固体粉碎,得到增强剂;
所述的增效剂的制备方法为:将3-5份乙烯醋酸乙烯酯乳液与10-13份的氯化锌搅拌均匀混合,即可制备而成。
2.根据权利要求1所述的彩色沥青胶结料,其特征在于,所述的碱为氢氧化钠、氢氧化钾或碳酸钠中的至少一种。
3.权利要求1-2任意一项所述的彩色沥青胶结料的制备方法,其特征在于,包括以下步骤:首先,将芳烃油和环烷油混合均匀,然后依次加入增强剂、石油树脂、加氢石油树脂和聚丙烯酸树脂,混合均匀后,使用高速剪切机进行剪切,并升温至150-170℃,剪切25-30min;然后,停止加热,同时加入增效剂,继续剪切30-35min,然后自然冷却至室温,得到彩色沥青胶结料。
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