In this paper, a kind of calciumlignosulfonate was phenolated by the method of phenol-sulfuric acid.
以一种木质素磺酸钙为原料，采用苯酚-硫酸法对其进行酚化改性。
2
A method of producing the same moisture proof ability as the calciumlignosulfonate and remaining its surfactivity is introduced.
介绍了提高木镁抗吸潮性能的生产方法，使其达到木质素磺酸钙的抗潮性能，而保持其原有的表面活性不变。
3
A low cost retarded high range water reducing agent GCL1 was prepared via oxidation and sulfonation modification using calciumlignosulfonate as primary raw material.