Synthesis of a polyaspartic acid/4-(2-aminoethyl) morpholine graft copolymer and evaluation of its scale and corrosion inhibition performance

2018 ◽  
Vol 29 (11) ◽  
pp. 2838-2847 ◽  
Author(s):  
Shuchen Shi ◽  
Dongyi Li ◽  
Chunxiao Chai ◽  
Yufeng Wu ◽  
Ying Xu
Keyword(s):  
Corrosion Inhibition ◽  
Graft Copolymer ◽  
Polyaspartic Acid ◽  
Inhibition Performance

Synthesis of polyaspartic acid–aminobenzenesulfonic acid grafted copolymer and its scale inhibition performance and dispersion capacity

2011 ◽  
Vol 64 (2) ◽  
pp. 423-430 ◽  
Author(s):  
Ying Xu ◽  
Lina Wang ◽  
Linlin Zhao ◽  
Yuanchen Cui
Keyword(s):  
Corrosion Inhibition ◽  
Graft Copolymer ◽  
Polyaspartic Acid ◽  
Copolymer Solution ◽  
Sulfonic Group ◽  
Grafted Copolymer ◽  
Scale Inhibition ◽  
Dispersion Capacity ◽  
Inhibition Performance ◽  
Inhibition Ability

Polysuccinimide (abridged as PSI) was synthesized by urea and maleic anhydride. Aminobenzenesulfonic acid (ABSA) was introduced at different mole ratio to PSI to generate polyaspartic acid (abridged as PASP)/ABSA graft copolymer. The scale inhibition behavior of resultant PASP/ABSA copolymer was evaluated by using static scale inhibition method. The transmittance of the supernatant of the copolymer solution was measured to evaluate its dispersion ability for ferric oxide. The corrosion inhibition performance of the copolymer for iron plates immersed in the refined testing water (including 0.555 g of CaCl2·2H2O, 0.493 g of MgSO4·7H2O, 50 mg PASP/ABSA graft copolymer and 0.168 g of NaCl) was tested. It was found that PASP/ABSA copolymer was able to efficiently inhibit CaCO3 and Ca3(PO4)2 scales and had good corrosion inhibition ability as well, and it also had good dispersion ability for Fe2O3. Besides, the inhibition efficiency of PASP/ABSA against CaCO3 and Ca3(PO4)2 scales and its dispersion capacity for Fe2O3 was highly dependent on dosage. The reason may lie in that PASP/ABSA copolymer simultaneously possesses carboxylic ion and sulfonic group which can chelate Ca2+ to form stabilized and dissoluble chelates, resulting in increase of solubility of calcium salts in water. Also it may lie in that the introduction of acidic hydrophilic sulfonic group with a strong electrolytic capacity into PASP molecule simultaneously enhances the dispersion of the inhibitor molecules and hinders the formation of Ca3(PO4)2 scale.

scholarly journals Synthesis and characterization of a biodegradable polyaspartic acid/2-amino-2-methyl-1-propanol graft copolymer and evaluation of its scale and corrosion inhibition performance

RSC Advances ◽  
2017 ◽  
Vol 7 (58) ◽  
pp. 36714-36721 ◽  
Author(s):  
Shuchen Shi ◽  
Yufeng Wu ◽  
Yueyan Wang ◽  
Jing Yu ◽  
Ying Xu
Keyword(s):  
Corrosion Inhibition ◽  
Acid Derivative ◽  
Graft Copolymer ◽  
Ring Opening ◽  
Synthesis And Characterization ◽  
Polyaspartic Acid ◽  
Ring Opening Reaction ◽  
Inhibition Performance

Herein, a novel polyaspartic acid derivative, polyaspartic acid/2-amino-2-methyl-1-propanol graft copolymer (PASP/AMP), was synthesized via a ring-opening reaction using polysuccinimide (PSI) and 2-amino-2-methyl-1-propanol (AMP).

Study on Corrosion Inhibition Performance of PASP Composite on A3 Carbon Steel in Seawater

2012 ◽  
Vol 164 ◽  
pp. 33-36
Author(s):  
Xin Wang ◽  
Zhan Liu ◽  
Zhen Fa Liu
Keyword(s):  
Carbon Steel ◽  
Corrosion Inhibition ◽  
Zinc Sulfate ◽  
Sodium Tungstate ◽  
Inhibition Rate ◽  
Sodium Gluconate ◽  
Polyaspartic Acid ◽  
Inhibition Performance

The polyaspartic acid (PASP) composite was prepared from PASP , sodium gluconate , zinc sulfate , sodium tungstate and phosphate .The corrosion inhibition performance of PASP composite on A3 carbon steel in seawater was studied by using steady polarization. The results showed that PASP composite had good corrosion inhibition performance in seawater . When the concentration of PASP composite was 300 mg/L , the corrosion inhibition rate reached 79.25% .

The Preparation and Performance of a Multifunctional Corrosion Inhibitor in Seawater

2013 ◽  
Vol 773 ◽  
pp. 704-708
Author(s):  
Xin Wang ◽  
Zhen Fa Liu ◽  
Zhan Liu ◽  
Yun Juan Wu ◽  
Li Hui Zhang
Keyword(s):  
Carbon Steel ◽  
Corrosion Inhibitor ◽  
Corrosion Inhibition ◽  
Zinc Sulfate ◽  
Inhibition Rate ◽  
Sodium Gluconate ◽  
Polyaspartic Acid ◽  
Corrosion Tests ◽  
And Performance ◽  
Inhibition Performance

A multifunctional corrosion inhibitor was prepared from polyaspartic acid (PASP), sodium gluconate,zinc sulfate,hydroxyphosphonoacetic acid (HPAA) and benzotriazole (BTA). The performance of corrosion inhibition was evaluated by rotary hanging-piece corrosion tests and steady polarization. The result showed that the corrosion inhibitor was an anodic inhibitor and had good corrosion inhibition performance both on A3 carbon steel and H62 copper in seawater. The corrosion inhibition rate of A3 carbon steel was 93.15% and the corrosion inhibition rate of H62 copper was 93.55% when the concentration of corrosion inhibitor was 150 mgL-1in seawater at 40°C.

Synthesis and evaluation of polyaspartic acid/furfurylamine graft copolymer as scale and corrosion inhibitor

RSC Advances ◽  
2016 ◽  
Vol 6 (104) ◽  
pp. 102406-102412 ◽  
Author(s):  
Shuchen Shi ◽  
Xiaowei Zhao ◽  
Qian Wang ◽  
Huiting Shan ◽  
Ying Xu
Keyword(s):  
Maleic Anhydride ◽  
Corrosion Inhibitor ◽  
Graft Copolymer ◽  
Raw Materials ◽  
Polyaspartic Acid ◽  
Inhibition Performance

A novel scale and corrosion inhibitor, polyaspartic acid/furfurylamine graft copolymer (PASP/FA), was synthesized using maleic anhydride, urea, and furfurylamine (FA) as raw materials. PASP/FA exhibits excellent inhibition performance.

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