By Lisa Brannon-Peppas
In recent times, there was a veritable explosion of analysis and improvement in consumer-oriented fields that make the most of polymeric fabrics which take in quite a lot of water. those fields surround the practise, characterization and commercialization of separation structures, pharmaceutical and private care items reminiscent of youngster diapers, female items, incontinence items and lots of different comparable components. The polymeric fabrics used in those functions are referred to as absorbent or superabsorbent fabrics due to their skill to swell quickly and to maintain huge volumes of water, urine and different organic fluids. the purpose of this booklet is to introduce the basics of polymer constitution and swelling as relating to polymers used for those superabsorbent fabrics. within the box of absorbence, specific consciousness is given to crosslinked buildings which swell to greater than fifty occasions their preliminary weight in water or electrolytic suggestions. The ebook additionally offers descriptions of novel purposes of superabsorbent fabrics in addition to an in depth research of water shipping in crosslinked polymers
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Additional resources for Absorbent Polymer Technology
Brandt et al.  polymerized a solution of 20% acrylic acid in water with a crosslinker such as MBA orTMPTA and an initiator such as hydrogen peroxide-ascorbic acid. Reaction temperature was maintained within the range of 10 - 65°C during an exothermic polymerization and thereafter at 40°C for 3 hours. The resulting gel was chopped in the presence of dilute sodium hydroxide solution (70 mole%), allowed to stand at 40°C for 16 hours and then dried at 80°C under reduced pressure. The resulting dry absorbent polymer exhibited an absorbency for synthetic urine of 38 g/g and water soluble content of 9%.
Nagase, U. S. patent 4,320,040, 1982. T. Tsubakimoto, T. Shimomura and Y Irie, U. K. patent GB 2,119,384 A, 1983. H. Yamasaki, T. Kobayashi and Y Sumida, U. S. patent 4,497,930, 1985. A. G. Mikos, C. G. Takoudis and N. A. Peppas, Polymer, 28 (1987) 998. H. Yamasaki, Y Sumida and S. Harada, U. S. patent 4,459,396, 1984. J. FloryandJ. , Chem. , 11 (1943)521. A. A. M. A. Mktchian, Eur. Polym. , 11 (1975) 153. 45 PREPARATION AND CHARACTERIZATION OF CROSSLINKED NETWORKS HYDROPHILIC L. O. Box 708, Greenfield, IN 46140, USA SUMMARY In preparing and evaluating polymers for use as absorbent materials, it is critical to know those parameters which will govern the nature of the final polymer.
13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. B. G. Harper, R. N. Bashaw and B. L Atkins, U. S. patent 3,669,103, 1972. G. F. Fanta, R. C. Burr, W. M. Doane and C. R. Russell, J. , 15 (1971) 2651. P. J. Flory and B. Erman, Macromolecules, 15 (1982) 800. J. E. Mark and B. Erman, Rubberlike Elasticity, A Molecular Primer, John Wiley and Sons, New York, 1988. I. Bahar and B. Erman, Macromolecules, 20 (1987) 1696. J. S. Bastide, Candau and L Leibler, Macromolecules, 14 (1981) 719.
Absorbent Polymer Technology by Lisa Brannon-Peppas