Produced by special activated carbon, to ensure that the carbon surface functional groups containing the type and quantity of chemicals in favor of the impregnation.
经特殊工艺生产的活性炭，保证了炭表面上含有官能团的种类与数量，利于化学物质的浸渍。
2
This paper surveys preparation of XL-1 type acrylic resin for leather impregnation by emulsion polymerization of ethyl acrylate and other acrylic esters.