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结合工程需要,近年来我所协同有关单位研制了三元乙丙、二元乙丙、液态氯化丁基、氯磺化聚乙烯等几种新型胶乳,并同国内常用的一些其它胶乳进行了复合改性工作。改性后的试验表明,各类复合胶乳不但各项技术性能都优于单液原胶乳,而且,其经济效益、社会效益和环境效益也都得到相应的提高,并且还具有配方简单、施工操作方便的特点。其技术性能对比见附表:表中表明1、经改性的胶乳,大都是饱和高分子和低不饱和胶乳或含氯胶乳。它们都能显著地改善沥青胶乳“热流冷脆”的情况,其耐水、抗裂、耐侯等主要性能也同时得到改善;
In conjunction with engineering needs, in recent years, we have developed new types of latexes, such as EPDM, EPDM, liquid butyl chloride, and chlorosulfonated polyethylene, in cooperation with related entities. These latexes have also been developed with other latexes commonly used in China. Compound modification work. The modified test shows that all kinds of composite latexes are not only superior to single liquid latex in terms of technical performance, but also have correspondingly improved economic, social, and environmental benefits, and also have simple formulations and construction operations. Convenient features. The technical performance of the comparison see the attached table: Table shows that 1, the modified latex, mostly saturated polymers and low unsaturated latex or chlorine-containing latex. All of them can significantly improve the “cold flow and cold brittleness” of asphalt latex, and its water resistance, crack resistance, and weatherability are also improved at the same time.