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2014•Journal of Functional BiomaterialsOpen access

Preparation and properties of polyacrylatesuperabsorbent with high temperature resistantance

Xiaoyun Zhang

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Abstract

A high temperature resistant superabsorbent was prepared through solution polymerization based on sodium acrylate at 25 ℃,usingtriallylammonium chloride(TAAC) as crosslinker,2,2'-azobis[2-(2-imidazolin-2-yl) propane]dihydrochloride(VA-044) as initiator respectively.The effects on water absorbency at 200 ℃ such as mass ratios of crosslinker to AA,initiator to AA and neutralization degree were studied.Results showed that the swelling ratio of superabsorbent synthesized at the optimum conditions was 824 g / g in distilled water and the superabsorbent displayed good salt and pH resistance at high temperature.

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What this paper is about

A high temperature resistant superabsorbent was prepared through solution polymerization based on sodium acrylate at 25 ℃,usingtriallylammonium chloride(TAAC) as crosslinker,2,2'-azobis[2-(2-imidazolin-2-yl) propane]dihydrochloride(VA-044) as initiator respectively.The effects on water absorbency at 200 ℃ such as mass ratios of crosslinker to AA,initiator to AA and neutralization degree were studied.Results showed that the swelling ratio of superabsorbent synthesized at the optimum conditions was 824 g / g in distilled water and the superabsorbent displayed good salt and pH resistance at high temperature.

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Available abstract

A high temperature resistant superabsorbent was prepared through solution polymerization based on sodium acrylate at 25 ℃,usingtriallylammonium chloride(TAAC) as crosslinker,2,2'-azobis[2-(2-imidazolin-2-yl) propane]dihydrochloride(VA-044) as initiator respectively.The effects on water absorbency at 200 ℃ such as mass ratios of crosslinker to AA,initiator to AA and neutralization degree were studied.Results showed that the swelling ratio of superabsorbent synthesized at the optimum conditions was 824 g / g in distilled water and the superabsorbent displayed good salt and pH resistance at high temperature.

Key concepts: Distilled water, Superabsorbent polymer, Materials science, Propane, Swelling, Acrylate, Sodium, Salt (chemistry)

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