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为了满足社会主义建设日益发展的需要,研究水泥、混凝土早强减水剂,提高混凝土的早强、减水效果,已成为当前施工生产中的一项重要任务。目前,国内现有的水泥、混凝土早强减水剂都有程度不同的良好效果,但是有的限于货源,有的成本较高,有的甚至还采用进口原料合成,不能满足建筑材料量大价廉的要求。遵照毛主席关于“独立自主,自力更生”的伟大教导,我们在不同行业间大协作的基础上,以焦化厂萘
In order to meet the growing needs of socialist construction, it has become an important task in the current construction industry to study cement and concrete early strength water reducers and improve the early strength and water reduction effects of concrete. At present, domestic existing cement and concrete early strength water reducers have different degrees of good results, but some are limited to sources of supply, some have higher costs, and some even use imported raw materials to synthesize, and can not meet the large volume of building materials. Cheap request. In accordance with Chairman Mao’s great teaching on “independence, self-reliance, self-reliance”, we based on the cooperation between different industries, based on the coking plant naphthalene