CN107189465A - 一种纤维改性鼠李糖脂乳化沥青 - Google Patents

一种纤维改性鼠李糖脂乳化沥青 Download PDF

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CN107189465A
CN107189465A CN201710590059.4A CN201710590059A CN107189465A CN 107189465 A CN107189465 A CN 107189465A CN 201710590059 A CN201710590059 A CN 201710590059A CN 107189465 A CN107189465 A CN 107189465A
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章云
张贝尼
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Anhui Zhongri Agriculture Environmental Protection Technology Co Ltd
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Abstract

一种纤维改性鼠李糖脂乳化沥青，属于沥青技术领域，包括以下重量份数原料：高分子共聚物SBS11份、萜烯树脂21份、增塑剂4份、芳烃油9份、纤维3份、橡胶粉3份、鼠李糖脂1份、偶联剂0.5份、表面活性剂0.5份。采用纤维改性沥青，可以提高沥青的物理机械性能。鼠李糖脂具有较强的表面活性和乳化能力，能被生物完全降解，对环境友好。本发明的沥青，乳化效果好、稳定性好，具有良好的降滤失性和抑制性。

Description

一种纤维改性鼠李糖脂乳化沥青
技术领域
本发明属于沥青技术领域，具体涉及一种纤维改性鼠李糖脂乳化沥青。
背景技术
由于沥青路面平稳、舒适、噪音低等优点，它被广泛的应用于高速公路的建设当中。然而，随着轴载和车流量的不断增加，沥青路面的早期损坏越来越严重，因此，应该通过一些方法调整沥青混凝土来提高路用性能。在这些沥青混凝土的改性剂中，纤维因其良好的改善作用及其结构简单、成本低的优点已经获得越来越多的关注。而目前关于纤维改性沥青的研究，还有待进一步发展，特别是在提高沥青的机械性能等方面。
发明内容
根据现有技术中存在的问题，本发明提供了一种具有良好的机械性能的纤维改性鼠李糖脂乳化沥青。
本发明采用以下技术方案：
一种纤维改性鼠李糖脂乳化沥青，包括以下重量份数原料：高分子共聚物SBS11份、萜烯树脂21份、增塑剂4份、芳烃油9份、纤维3份、橡胶粉3份、鼠李糖脂1份、偶联剂0.5份、表面活性剂0.5份。
优选的，所述的纤维为玻璃纤维、玄武岩纤维、木质素纤维、剑麻纤维、碳纤维、木棉纤维、秸秆纤维、竹纤维、甲壳素纤维、再生纤维素纤维中的一种或几种。
优选的，所述偶联剂为硅烷偶联剂。
优选的，所述表面活性剂为十二烷基硫酸钠或十二烷基苯磺酸钠。
本发明的有益效果在于：
1)采用纤维改性沥青，可以提高沥青的物理机械性能。
2)鼠李糖脂具有较强的表面活性和乳化能力，能被生物完全降解，对环境友好。
3)本发明的沥青，乳化效果好、稳定性好，具有良好的降滤失性和抑制性。
具体实施方式
下面结合具体实施例对本发明进行详细说明。
实施例1
一种纤维改性鼠李糖脂乳化沥青，包括以下重量份数原料：高分子共聚物SBS11份、萜烯树脂21份、增塑剂4份、芳烃油9份、纤维3份、橡胶粉3份、鼠李糖脂1份、偶联剂0.5份、表面活性剂0.5份。
所述的纤维为玻璃纤维、玄武岩纤维、木质素纤维、剑麻纤维、碳纤维、木棉纤维、秸秆纤维、竹纤维、甲壳素纤维、再生纤维素纤维中的一种或几种。
所述偶联剂为硅烷偶联剂。
所述表面活性剂为十二烷基硫酸钠或十二烷基苯磺酸钠。
一种纤维改性鼠李糖脂乳化沥青的制备方法，包括以下步骤：
步骤一：将斜面培养基上的菌落接到种子培养基，37℃、摇床转速200r·min-1，培养24h；
步骤二：利用接种针将种子培养基上的菌落轻刮进装有50L生理盐水的容器中，置于摇床中震荡30min后，用塞有无菌脱脂棉的漏斗过滤，吸取10mL滤液于无菌培养皿中，采用常压室温等离子体诱变处理2min，然后利用生理盐水稀释至8％(v/v)，将稀释液均匀涂布于平板培养基上，37℃下，平板培养4d；
步骤三：挑取平板培养基上的菌落置于发酵培养基中，并于37℃、250rpm的摇床中培养4天后，得发酵液；
步骤四：取发酵液，在25℃、10000rpm的条件下离心处理3min，用移液枪吸取上清液到容器中，再加入5倍体积的乙酸萃取，用旋涡振荡器混匀，静置24h后，将上层有机相抽提到容器中，并将其放入通风厨中待乙醚挥发完全，得鼠李糖脂；
步骤五：将高分子共聚物SBS、萜烯树脂、增塑剂DBP、芳烃油、纤维、橡胶粉、鼠李糖脂、偶联剂、表面活性剂，按照质量比11:21:4:9:3:3:1:0.5:0.5加入反应容器中，采用常压室温等离子体诱变处理3min，并在150℃温度下搅拌混合20分钟；
步骤六：通过剪切机对反应容器内的混合物进行剪切，在整个剪切过程中控制温度在150℃-160℃，剪切机的转速保持3500r/min，剪切5-10min，当高分子共聚物SBS呈细小颗粒均匀分布在芳烃油中时，把剪切机的转速提升到6500r/min快速剪切20min，直至高分子共聚物SBS充分溶解在芳烃油中为止；
步骤七：待各组分溶解充分后，停止剪切，将混合溶液连同反应容器一同放进烘箱，在170℃条件下恒温发育2h，即得沥青。
所述的斜面培养基为牛肉膏蛋白胨琼脂培养基，包含：牛肉膏3g/L、蛋白胨10g/L、氯化钠5g/L、琼脂20g/L。
所述的发酵培养基包含：K2HPO44g/L、KH2PO44g/L、KCL1g/L、NaNO32.5g/L、NaCL1g/L、CaCl2·2H2O 0.1g/L，MgSO4 0.2g/L，酵母粉1g/L，甘油30v/v。
所述的平板培养基包含：葡萄糖20g/L、硝酸铵2.5g/L、酵母膏0.05g/L、Z酸二氢钾10g/L、磷酸氢二钠4g/L、琼脂20g/L。
所述的种子培养基包含：NaClg/L，胰蛋白胨10g/L，酵母粉5g/L。
将本发明实施例1制得的沥青和市面上的其他阴离子乳化沥青的储存稳定性对比结果见下表1，存储时间为5天。
表1

Claims (4)

1.一种纤维改性鼠李糖脂乳化沥青，其特征在于，包括以下重量份数原料：高分子共聚物SBS11份、萜烯树脂21份、增塑剂4份、芳烃油9份、纤维3份、橡胶粉3份、鼠李糖脂1份、偶联剂0.5份、表面活性剂0.5份。
2.根据权利要求1中所述的一种纤维改性鼠李糖脂乳化沥青，其特征在于：所述的纤维为玻璃纤维、玄武岩纤维、木质素纤维、剑麻纤维、碳纤维、木棉纤维、秸秆纤维、竹纤维、甲壳素纤维、再生纤维素纤维中的一种或几种。
3.根据权利要求1中所述的一种纤维改性鼠李糖脂乳化沥青，其特征在于：所述偶联剂为硅烷偶联剂。
4.根据权利要求1中所述的一种纤维改性鼠李糖脂乳化沥青，其特征在于：所述表面活性剂为十二烷基硫酸钠或十二烷基苯磺酸钠。
CN201710590059.4A 2017-07-19 2017-07-19 一种纤维改性鼠李糖脂乳化沥青 Withdrawn CN107189465A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110041713A (zh) * 2019-05-05 2019-07-23 东莞广泰公路材料科技有限公司 一种再生沥青混合料的添加剂
CN111138871A (zh) * 2019-12-25 2020-05-12 上海浦东路桥沥青材料有限公司 一种高黏乳化沥青及其制备方法及彩色胶结料

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104592768A (zh) * 2013-10-31 2015-05-06 中国石油化工股份有限公司 一种阴离子乳化沥青及其制备方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104592768A (zh) * 2013-10-31 2015-05-06 中国石油化工股份有限公司 一种阴离子乳化沥青及其制备方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110041713A (zh) * 2019-05-05 2019-07-23 东莞广泰公路材料科技有限公司 一种再生沥青混合料的添加剂
CN111138871A (zh) * 2019-12-25 2020-05-12 上海浦东路桥沥青材料有限公司 一种高黏乳化沥青及其制备方法及彩色胶结料

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