The absorbency and adsorption of the self-preparing poly(acrylic acid) superabsorbent(PAAS) are investigated in single and binary nitrate solutions of heavy metal ions.
在Pb2+、Ni2+、Cd2+、Zn2+、Mn2+和Cu2+的一、二元溶液中,PAAS的吸液倍率随时间延长而增加,约50min达吸液平衡,一元金属离子溶液中平衡吸液倍率为160~190g/g,而对Cr3+溶液,最大为120g/g;二元金属离子混合溶液中平衡吸液倍率都在150~180g/g之间,有Cr3+存在时平衡吸液倍率最小。
The product can be applied on textile for improving absorbency.
淀粉和丙烯腈经硝酸铈铵催化接枝共聚,该共聚物在碱性条件下水解后具有超强的吸水性,可用于多种吸液性纺织品。
The results show that the solution absorbency of absorbent polymers presents a changing regularity in a power function with the concentration of NaCl solution.
研究了聚丙烯酸盐及丙烯酰胺-丙烯酸盐共聚物高吸水性树脂在几种电解质溶液(N AC L,NH4C L,KC L,C AC L2,B AC L2,CUC L2)中的吸液率。
Effects of aqueous salt solutions on the absorbency of superabsorbents synthesized by inverse suspension copolymerization of acrylic acid with acrylamide were studied.
有人研究过在人工尿、人工血液中的吸液情况 [4 ] ,以及Na Cl的浓度对吸液率的影响 [2 ,5] 。
Properties and Absorbency Mechanism of Starch-based Superabsorbent Polymer;
研究了离子种类、浓度对淀粉接枝丙烯酰胺高吸水树脂吸液率的影响;根据高吸水树脂吸液过程中溶液电导率的变化及离子对高吸水树脂吸液率的影响规律,探讨了树脂的吸液机理,并推导了树脂吸液动力——渗透压的计算公式,该公式可以较好地描述高吸水树脂的吸液规律。
The effects of solution pH on the absorbency and adsorption of PAAAM were investigated.
考察了溶液pH值对聚丙烯酸(盐)/丙烯酰胺高吸水树脂(PAAAM树脂)吸液性能和吸附Cu2+和Fe3+的影响。
Results show that its absorbency in water is up to 138.
采用丙烯酸、丙烯酰胺、丙烯腈在水溶液中三元共聚,并以钠基膨润土、滑石粉、高岭土为无机添加剂,合成了有机/无机复合吸水树脂,对比研究了以上述三种无机材料为添加剂的吸水树脂的吸液性能。
The influences of monomer concentration, the neutralization, the concentrations of crosslinker, initiator, and the reaction temperature on the absorbency of PAAS were studied, the results showed that the absorbency was of PAAS 1430g/g in distilled water, and 102g/g in 0.
研究了反应温度、单体浓度、引发剂用量、交联剂用量及单体中和度对PAAS吸液性能的影响,得到了合成PAAS的较佳工艺条件。
Heat fransfer mechanism in radial heat pipe without wick;
无吸液芯径向热管的传热机理
Analysis of Mechanism on Radial Heat-pipe Without Wick;
无吸液芯径向热管的机理分析
Experiments and researches show that the radial heat pipe is of a wellisotheral performence, satisfied heat power conductivity and high heat transfer limit(with the comparison of the unit with and without wick).
通过试验和研究表明 :径向热管作为传热管具有良好的等温性、功率传输性能和较高的传热极限 ,并比较有、无吸液芯的性能差别 ,径向热管换热器已广泛用于硫磺制酸余热回收装置省煤器。