CN108395719B - 一种利于施工的复合改性沥青 - Google Patents

一种利于施工的复合改性沥青 Download PDF

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CN108395719B
CN108395719B CN201810135870.8A CN201810135870A CN108395719B CN 108395719 B CN108395719 B CN 108395719B CN 201810135870 A CN201810135870 A CN 201810135870A CN 108395719 B CN108395719 B CN 108395719B
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张成如
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Abstract

本发明涉及一种利于施工的复合改性沥青,由下述按重量份数计的组分组成:基质沥青100份、SBS改性剂2‑10份、发泡剂0.3‑0.5份、消泡剂0.3‑0.5份、稳定剂0.05‑0.1份、煤沥青20‑30份、三苯甲烷20‑30份、N‑苯基‑N`‑异丙基‑对苯二胺1‑5份。本发明通过添加发泡剂,将改性沥青进行发泡,其内部结构短暂成为蜂窝式,SBS改性剂、稳定剂和N‑苯基‑N`‑异丙基‑对苯二胺在其内部,被沥青包裹,立体结构,比表面积更大,沥青与各组分的接触面积更大,是的结构更加立体,组分之间结构更加均匀紧密,大大提高了沥青的性能,煤沥青中的金属离子将金属原子置换,避免了金属离子对沥青性能的影响;使用时加热后加入消泡剂处理,已经形成的连接结构进行挤压,结构更加密集,使用方便。

Description

一种利于施工的复合改性沥青
技术领域
本发明涉及沥青改性领域,更具体的讲是一种利于施工的复合改性沥青。
背景技术
基质沥青高温下易软化流淌,导致沥青路面出现车辙;低温下易变脆,导致沥青路面的开裂,其不适合温度变化较大的地区,针对以上缺陷,通常通过添加其他成分进行改性,目前最常用的改性剂为SBS改性剂,其可以有效改善沥青的高温和低温性能,但是SBS加入后,基质沥青与改性剂相互作用导致原有的胶质平衡被打破,使得改性沥青质量受到印象,另外由于道路建设的加快,沥青的道路沥青资源紧张,而煤沥青是煤焦油蒸馏提取馏分(如轻油、酚油、萘油、洗油和蒽油等)后的残留物,其量大且难以处理,造成污染严重和资源浪费,如何将煤沥青充分利用也具有重大经济意义。
目前沥青的在使用时需要临时制备,或者提前制备的沥青在保持一定温度下进行储存,使用十分不便。
发明内容
本发明的发明目的在于针对现有技术中的不足之处,提供一种利于施工的复合改性沥青。
本发明是通过以下技术方案实现的:
一种利于施工的复合改性沥青,由下述按重量份数计的组分组成:基质沥青100份、SBS改性剂2-10份、发泡剂0.3-0.5份、消泡剂0.3-0.5份、稳定剂0.05-0.1份、煤沥青20-30份、三苯甲烷20-30份、N-苯基-N`-异丙基-对苯二胺1-5份。
上述发泡剂为碳酸氢钠。
上述稳定剂为硝基取代的二芳基二硫化物。
上述消泡剂为聚醚硅油。
上述的一种利于施工的复合改性沥青的制备方法,其特征在于:包括如下步骤:
(1)将基质沥青加热到160-180℃,然后加入煤沥青、SBS改性剂和稳定剂继续搅拌;
(2)搅拌中加入发泡剂,分10次加入,每隔10s添加一次,滴加发泡剂过1/2后,加入三苯甲烷20-30份和N-苯基-N`-异丙基-对苯二胺,继续滴加发泡剂,滴加结束后继续搅拌5分钟。
上述的一种利于施工的复合改性沥青的使用方法,其特征在于:将沥青加热到100-120℃,加入消泡剂,搅拌5分钟后即可直接使用。
本发明的有益效果是:通过添加发泡剂,将改性沥青进行发泡,其内部结构短暂成为蜂窝式,SBS改性剂、稳定剂和N-苯基-N`-异丙基-对苯二胺在其内部,被沥青包裹,立体结构,比表面积更大,沥青与各组分的接触面积更大,是的结构更加立体,组分之间结构更加均匀紧密,大大提高了沥青的性能,煤沥青中的金属离子将金属原子置换,避免了金属离子对沥青性能的影响;使用时加热后加入消泡剂处理,已经形成的连接结构进行挤压,结构更加密集,使用方便。
具体实施方式
下面结合具体实施例对本发明做进一步说明,以便本领域技术人员可以更好的了解本发明,但并不因此限制本发明。
实施例1
一种利于施工的复合改性沥青,由下述按重量份数计的组分组成:基质沥青100份、SBS改性剂210份、发泡剂0.3份、消泡剂0.3份、稳定剂0.05份、煤沥青20份、三苯甲烷20份、N-苯基-N`-异丙基-对苯二胺1份。
上述发泡剂为碳酸氢钠。
上述稳定剂为硝基取代的二芳基二硫化物。
上述消泡剂为聚醚硅油。
实施例2
一种利于施工的复合改性沥青,由下述按重量份数计的组分组成:基质沥青100份、SBS改性剂5份、发泡剂0.4份、消泡剂0.4份、稳定剂0.1份、煤沥青25份、三苯甲烷25份、N-苯基-N`-异丙基-对苯二胺3份。
上述发泡剂为碳酸氢钠。
上述稳定剂为硝基取代的二芳基二硫化物。
上述消泡剂为聚醚硅油。
实施例3
一种利于施工的复合改性沥青,由下述按重量份数计的组分组成:基质沥青100份、SBS改性剂10份、发泡剂0.5份、消泡剂0.5份、稳定剂0.1份、煤沥青30份、三苯甲烷30份、N-苯基-N`-异丙基-对苯二胺5份。
上述发泡剂为碳酸氢钠。
上述稳定剂为硝基取代的二芳基二硫化物。
上述消泡剂为聚醚硅油。
实施例4
一种利于施工的复合改性沥青,由下述按重量份数计的组分组成:基质沥青100份、SBS改性剂5份、发泡剂0.4份、消泡剂0.4份、稳定剂0.1份、煤沥青25份、N-苯基-N`-异丙基-对苯二胺3份。
上述发泡剂为碳酸氢钠。
上述稳定剂为硝基取代的二芳基二硫化物。
上述消泡剂为聚醚硅油。
实施例5
一种利于施工的复合改性沥青,由下述按重量份数计的组分组成:基质沥青100份、SBS改性剂5份、发泡剂0.4份、稳定剂0.1份、煤沥青25份、三苯甲烷25份、N-苯基-N`-异丙基-对苯二胺3份。
上述发泡剂为碳酸氢钠。
上述稳定剂为硝基取代的二芳基二硫化物。
实施例6
一种利于施工的复合改性沥青,由下述按重量份数计的组分组成:基质沥青100份、SBS改性剂5份、稳定剂0.1份、煤沥青25份、三苯甲烷25份、N-苯基-N`-异丙基-对苯二胺3份。
上述稳定剂为硝基取代的二芳基二硫化物。
上述实施例1-6通过下述方法制备,
(1)将基质沥青加热到160-180℃,然后加入煤沥青、SBS改性剂和稳定剂继续搅拌;
(2)搅拌中加入发泡剂,分10次加入,每隔10s添加一次,滴加发泡剂过1/2后,加入三苯甲烷20-30份和N-苯基-N`-异丙基-对苯二胺,继续滴加发泡剂,滴加结束后继续搅拌5分钟。
(3)将沥青降温到100-120℃,加入消泡剂,搅拌5分钟。
实施例7
组分与实施例2相同,其制备方法为:
(1)将基质沥青加热到160-180℃,然后加入煤沥青、SBS改性剂和稳定剂继续搅拌;
(2)搅拌中加入发泡剂,一次性加入发泡剂后,加入三苯甲烷20-30份和N-苯基-N`-异丙基-对苯二胺,搅拌5分钟;
(3)将沥青降温到100-120℃,加入消泡剂,搅拌5分钟。

Claims (4)

1.一种利于施工的复合改性沥青,其特征在于:由下述按重量份数计的组分组成:基质沥青100份、SBS改性剂2-10份、发泡剂0.3-0.5份、消泡剂0.3-0.5份、稳定剂0.05-0.1份、煤沥青20-30份、三苯甲烷20-30份、N-苯基-N`-异丙基-对苯二胺1-5份;
所述一种利于施工的复合改性沥青,其制备方法,包括如下步骤:(1)将基质沥青加热到160-180℃,然后加入煤沥青、SBS改性剂和稳定剂继续搅拌;(2)搅拌中加入发泡剂,分10次加入,每隔10s添加一次,滴加发泡剂过1/2后,加入三苯甲烷20-30份和N-苯基-N`-异丙基-对苯二胺,继续滴加发泡剂,滴加结束后继续搅拌5分钟;将沥青加热到100-120℃,加入消泡剂,搅拌5分钟后即可直接使用。
2.根据权利要求1所述的一种利于施工的复合改性沥青,其特征在于:所述发泡剂为碳酸氢钠。
3.根据权利要求1所述的一种利于施工的复合改性沥青,其特征在于:所述稳定剂为硝基取代的二芳基二硫化物。
4.根据权利要求1所述的一种利于施工的复合改性沥青,其特征在于:所述消泡剂为聚醚硅油。
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CN102504556A (zh) * 2011-11-22 2012-06-20 山东泰德星火新能源有限公司 一种用煤沥青制备的高等级道路沥青
CN105038280A (zh) * 2015-09-22 2015-11-11 长安大学 一种sbs改性沥青及其制备方法
CN106117678A (zh) * 2016-06-23 2016-11-16 山东永泰集团有限公司 一种防老化橡胶

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JP2002121387A (ja) * 2000-10-13 2002-04-23 Jsr Corp アスファルト改質材及び改質アスファルト組成物
CN102964855B (zh) * 2012-12-04 2015-02-11 山东泰德新能源有限公司 一种耐压的改性道路沥青及制备方法

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Publication number Priority date Publication date Assignee Title
CN102504556A (zh) * 2011-11-22 2012-06-20 山东泰德星火新能源有限公司 一种用煤沥青制备的高等级道路沥青
CN105038280A (zh) * 2015-09-22 2015-11-11 长安大学 一种sbs改性沥青及其制备方法
CN106117678A (zh) * 2016-06-23 2016-11-16 山东永泰集团有限公司 一种防老化橡胶

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