Lignin can be divided into: lignin ammonium carbonate, lignin calcium carbonate, is an aromatic polymer biopolymer, widely found in wood, bamboo, reed and other plants. It is rich in renewable resources, natural cooling, comprehensive utilization of new polymer materials products. With the depletion of petrochemical energy, the rapid development of lignin in printing and dyeing and oil drilling applications in coal chemical industry has shown its importance. Especially the bamboo paddle series lignin and sodium sulfonate developed by our company in Sichuan base have the characteristics of good dispersibility, low unacceptability, excellent fluidity and workability, and are the best ingredients for the production of CWS additive .
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