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目前氨基磺酸在发展上还存在哪些问题?
来源:http://www.jnjrh.com 日期:2019-07-02 发布人:admin
(1)经过与价钱相对较廉价的外加剂 , 如木质素磺酸盐系, 停止化学反响改性或物理复配的方法, 在坚持原有高减水率、 大坍落度、 坍落度经时损失小等特性的根底上, 降低消费本钱, 同时克制对掺量敏感、 泌水率高、 混凝土易离析的缺陷, 这是能否在工程中得到普遍推行应用的关键。
(1) Through the use of cheaper additives, such as lignosulfonate system, stopping chemical reaction modification or physical mixing, on the basis of adherence to the original characteristics of high water reduction rate, large slump and small loss of slump, reducing consumption cost, and restraining the defects of sensitivity to dosage, high bleeding rate and easy segregation of concrete, this is whether it can be popularized in engineering. The key to universal application.
(2)深化研讨优化合成反响的工艺 , 以降低苯酚或甲醛在产品中的剩余含量, 同时用无毒或低毒的物质取代或局部取代苯酚或甲醛来消费氨基磺酸
(2) Deepening the discussion and optimizing the synthetic reaction process to reduce the residual content of phenol or formaldehyde in the product, and replacing phenol or formaldehyde with non-toxic or low toxic substances to consume aminosulfonic acid.
系绿色高效减水剂, 来减少或消弭消费和运用过程中对环境所产生的污染。
It is a green superplasticizer for reducing or eliminating environmental pollution caused by consumption and application.、氨基磺酸
(3)增强对氨基磺酸系等高性能减水剂的减水
(3) Enhancing the water reduction of high performance water reducing agents such as p-aminosulfonic acid series
作用机理及掺加高性能减水剂后对混凝土性能的影
Action mechanism and influence of high performance water reducing agent on concrete performance
响等方面的理论研讨。高性能混凝土概念的提出及 在工程理论中的应用时间均不长, 在中国仅是开端, 对其的研讨还很不完善。目前国外侧重于研讨掺高性能减水剂的新拌混凝土的有关性能、 硬化混凝土的力学性能及工程运用技术, 而对其分子构造表征、 作用机理、 水泥分散体系的物性和减水剂对水泥水化的影响等研讨则很少。经过以上的理论研讨, 能够使开发的产品愈加功用化、 原资料愈加多样化、 消费与运用环境生态化、 应用技术规范化, 来满足市场的需求。
Theoretical discussion on sound and other aspects. The concept of high performance concrete and its application in engineering theory are not long. It is only the beginning in China, and the research on it is not perfect. At present, foreign countries focus on the properties of fresh concrete mixed with high-performance water reducer, mechanical properties and engineering application technology of hardened concrete, while few studies focus on its molecular structure characterization, mechanism of action, physical properties of cement dispersion system and the effect of water reducer on cement hydration. After the above theoretical discussion, it can make the developed products more functional, the original materials more diversified, the consumption and use of environmental ecology, application technology standardization, to meet the needs of the market.
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