| TONG Xin-jia,LIU Xin-hua,DING Yun-fei,ZHANG Xue-ming.Synthesis of Friendly-to-environment Polyaspartic Acid Derivative and Its Characteristics in Scale Inhibition[J],42(5):62-65,80 |
| Synthesis of Friendly-to-environment Polyaspartic Acid Derivative and Its Characteristics in Scale Inhibition |
| Received:April 26, 2013 Revised:June 10, 2013 |
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| DOI： |
| KeyWord:PASP ring-opening to improve performance scale inhibitor scale inhibition properties |
| Author | Institution |
| TONG Xin-jia |
College of Light Industry, Hebei United University, Tangshan , China |
| LIU Xin-hua |
College of Light Industry, Hebei United University, Tangshan , China |
| DING Yun-fei |
College of Light Industry, Hebei United University, Tangshan , China |
| ZHANG Xue-ming |
College of Light Industry, Hebei United University, Tangshan , China |
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| Abstract: |
| Polyaspartic acid derivative was synthesised with sulfourea ( CSN) and polysuccinimide ( PSI ) that was the thermal condensation polymer of MA. The reaction condition of PSI and CSN was optimized. The product structure was characterized by FT-IR. And the scale inhibition properties and mechanism of CSN-PASP were studied. The result indicates that the scale inhibition efficiency of CSN-PASP is optimum in CSN with 1 . 0 g under the condition of 100 ℃ and 2 . 5 h with CSN to ring opening of PSI. FT-IR proves that amide bond was generated through aminos of sulfourea and carboxyls and the new functional groups are increased on the side chain. CSN-PASP with 10 mg / L, the scale inhibition efficiency is up to 90 % . |
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