酯类无灰分散剂研制  

Synthesis of ashless dispersant

作　　者：高金文[1] 刘瑛[1] 周江龙[1] 周楠[2] 

机构地区：[1]中国石油天然气股份有限公司锦州石化分公司,辽宁锦州121001 [2]大连理工大学化工与环境生命学部,辽宁大连116023

出　　处：《辽宁工程技术大学学报（自然科学版）》2013年第7期982-986,共5页Journal of Liaoning Technical University (Natural Science)

摘　　要：为提高聚异丁烯丁二酰亚胺类无灰分散剂的高温使用性能,开发了聚异丁烯丁二酸季戊四醇酯类新型无灰分散剂.该产品以聚异丁烯丁二酸酐和季戊四醇为原料,试验确定了较佳的促进剂、原料配比和反应时间.评价结果表明该产品具有优异的热稳定及抗氧化性能.To enhance the thermal stability of polyisobutylene succinimide ashless dispersant,the new polyisobutylene butane diacid pentaerythritoI ester ashless dispersant was developed.The product was synthesized using polyisobutylene succide and pentaerythritoI ester as raw materials.The optimum technique conditions including the promoter,the ratio of raw material and the reaction time were determined.The evaluation results show that the product has excellent thermal stability and oxidation resistance.

关 键 词：润滑油 添加剂 无灰分散剂 聚异丁烯丁二酰亚胺 聚异丁烯丁二酸酐 季戊四醇 聚异丁烯丁二酸季戊四醇酯 催化酯化反应 

分 类 号：N5[自然科学总论]