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氨基磺酸盐减水剂技术具有哪些特点?
来源:http://www.jnjrh.com 日期:2019-07-24 发布人:admin
氨基磺酸盐系高性能减水剂是以现有化学试剂和化工原料,经过一些有机化学反响来取得的新型减水剂。是一种无氯、低碱的新型高性能液体减水剂,其性能表现在减水分散作用优秀、长时间坚持活动性混凝土工作性,对钢筋无锈蚀作用,不会增加混凝土“碱一骨料”反响,对混凝土后期强度无不良影响,能改善其耐久性。
Aminosulfonate series superplasticizer is a new type of superplasticizer, which is obtained from existing chemical reagents and chemical raw materials through some organic chemical reactions. It is a new type of high-performance liquid water reducer without chlorine and alkali. Its performance is excellent in water-reducing dispersion, long-term adherence to the workability of active concrete, no corrosion to steel bars, no increase of concrete "alkali-aggregate" response, no adverse impact on the late strength of concrete, and can improve its durability.
传统的木钙(钠),萘(蒽)磺酸甲醛缩合物等减水剂是一种阴离子外表活性剂,其作用机理是分子吸附于水泥颗粒表现带电产生斥力而使水泥浆分散,增加和易性,随着时间延长,斥力疾速削弱,致使塌落度损失增大,失去分散性能。
Traditional superplasticizers such as wood calcium (sodium), naphthalene (anthracene) sulfonate and formaldehyde condensate are anionic surfactant. Their action mechanism is that molecules adsorb on cement particles to produce repulsive force, which makes cement slurry disperse, increase and ease. With time prolonging, the repulsive speed weakens, resulting in the loss of collapse degree increasing and losing. Dispersion performance.
氨基磺酸盐化学构造中有经脂类高分子的住链,呈梳状物分子构造聚合物,和水泥中硅酸盐矿物质分子反响,释放出反响型小分子,不只具有静电排挤作用,使水泥浆体平均隔离分散。而且分散作用强,持续时间持久,是一种综合型外表活性剂。
氨基磺酸
In the chemical structure of aminosulfonates, there are chains held by lipid polymers and comb-like molecules, which react with silicate mineral molecules in cement, releasing small reacting molecules. It not only has electrostatic extrusion, but also makes cement paste segregated and dispersed evenly. It is a comprehensive surfactant with strong dispersion and long duration.
该产品为平均的液状产品,合固量在30%以上,掺量为水泥重量1%时减水率可达30%,活动性混凝土坍落度普通在200mm以上,坍落度保存率60 min、90min分别在90%、80%以上,克制粘性过大而不利泵送的缺陷,其它指标满足JGJ56—84混凝土减水剂一等品请求。
This product is an average liquid product with a solid content of over 30% and a water reducing rate of up to 30% when the cement content is 1% of the weight. The slump of active concrete is generally over 200 mm. The slump retention rate of 60 min and 90 min is above 90% and 80% respectively. It can restrain the defects of excessive stickiness which is not conducive to pumping. Other indexes meet the requirements of JGJ56-84. First class concrete superplasticizer request.
性能特性:
Performance characteristics:
1、减水率高,可泵性好:本品减水率普通20-30%,具有塌落度经时损失小的特性,二小时内,塌落度损失小于10%,在不时旋转的混凝土保送车中,塌落度损失更小,同时,任何时节不沉淀,不损失保送泵,可控制性好。
1. High water reduction rate, good pumpability: the product water reduction rate is ordinary 20-30%, with the characteristics of small loss of collapse through time. Within two hours, the loss of collapse is less than 10%. In the concrete delivery truck rotating from time to time, the loss of collapse is smaller. At the same time, no precipitation at any time, no loss of delivery pump, good controllability.
2、力学性能稳定,平安性好:由于掺用氨基磺酸盐的混凝土具有高减水率,低水胶比,使混凝土各龄期强度明显高于基准混凝土或掺用同量其它外加剂的混凝土,其各项力学性能指标均超越国度一级品。
2. The mechanical properties are stable and safe. Because of the high water-reducing rate and low water-binder ratio of the concrete mixed with sulfamate, the strength of concrete at all ages is obviously higher than that of the reference concrete or the concrete mixed with the same amount of other admixtures. The mechanical properties of the concrete exceed the national first-class products.
3、相容性好:与木钙、萘系等减水剂相比和水泥具有很好的顺应性,且和普通减水剂减水剂也具有很好的相容性,可依照一定比例配合运用,能到达泵送性好,塌落度损失小,本钱低的优点。
3. Good compatibility: Comparing with wood calcium, naphthalene series and other water reducers, it has good compliance with cement, and has good compatibility with ordinary water reducer superplasticizer. It can be used in accordance with a certain proportion to achieve the advantages of good pumping performance, low collapse loss and low cost.
4、环保性能好:氨基磺酸盐是以对氨基苯磺酸为主原料的化合物,聚合反响无“三废”产生,在混凝土应用后无味、无臭、无腐蚀,是一种新型节材的高性能减水剂,国外经济兴旺国度普通采用外加剂,是属于绿色环保新产品。
4. Good environmental protection performance: Aminosulfonate is a compound with p-Aminobenzene Sulfonic Acid as the main raw material, which has no "three wastes" in the reaction of polymerization. It is odorless, odorless and corrosion-free after the application of concrete. It is a new type of high-performance water reducer with material saving. Additives are commonly used in foreign countries with prosperous economy, and it is a new green environmental protection product. 。