Download e-book for iPad: Absorbent Polymer Technology by Lisa Brannon-Peppas

By Lisa Brannon-Peppas

ISBN-10: 0444886540

ISBN-13: 9780444886545

Lately, there was a veritable explosion of study and improvement in consumer-oriented fields that make the most of polymeric fabrics which take up quite a lot of water. those fields surround the coaching, characterization and commercialization of separation structures, pharmaceutical and private care items reminiscent of baby diapers, female items, incontinence items and lots of different similar components. The polymeric fabrics used in those functions are referred to as absorbent or superabsorbent fabrics due to their skill to swell swiftly and to keep huge volumes of water, urine and different organic fluids. the purpose of this ebook is to introduce the basics of polymer constitution and swelling as concerning polymers used for those superabsorbent fabrics. within the box of absorbence, specific recognition is given to crosslinked constructions which swell to greater than fifty instances their preliminary weight in water or electrolytic strategies. The booklet additionally presents descriptions of novel purposes of superabsorbent fabrics in addition to a close research of water shipping in crosslinked polymers

Show description

Read Online or Download Absorbent Polymer Technology PDF

Similar physical chemistry books

New PDF release: The Chemistry and Manufacture of Hydrogen

This is often an actual copy of a ebook released sooner than 1923. this isn't an OCR'd ebook with unusual characters, brought typographical mistakes, and jumbled phrases. This publication can have occasional imperfections corresponding to lacking or blurred pages, negative images, errant marks, and so on. that have been both a part of the unique artifact, or have been brought by way of the scanning strategy.

Mechanical Catalysis: Methods of Enzymatic, Homogeneous, and by Gerhard Swiegers PDF

Presents a transparent and systematic description of the most important function performed through catalyst reactant dynamism together with: (i) the basic approaches at paintings, (ii) the foundation of its normal and actual positive aspects, (iii) how it has advanced, and (iv) the way it pertains to catalysis in man-made platforms. Unifies homogeneous, heterogeneous, and enzymatic catalysis right into a unmarried, conceptually coherent entire.

Download PDF by David L. Nelson, Thomas F. George: Chemistry of High-Temperature Superconductors

Fresh study! The sequel to final year's runaway bestseller during this sizzling new box makes a speciality of the fast growth that has been made within the following components of actual chemistry: idea, new fabrics, surfaces and interfaces, and processing. greater than a hundred scientists from significant learn teams have contributed to this well timed quantity, in this moment anniversary of the invention of those amazing fabrics.

Additional resources for Absorbent Polymer Technology

Sample text

In this method, starch was pre-reacted with the eerie ion. Then uncomplexed metal ion was removed from the starch by filtration of the aqueous phase. The complexed starch-Ce4* was then reacted with monomer. Higher efficiencies of grafting were observed using this technique. However, the results also showed that only a small part of the starch was involved in the graft polymer formation. This lead to the hypothesis that the graft polymer is formed by termination of growing homopolymer chains at activated starch sites.

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.

Practical graft polymerizations attempt to initiate the polymerization using a redox reaction of an oxidant with oxidizable groups of the polysaccharide. The oxidant is usually the oxidized form of a metal ion, of which several are discussed in the next section. Many of the metal ion systems investigated also initiate polymerization in the absence of the polysaccharide and so contribute to homopolymerization of the monomer with reduction in the amount of graft copolymer. Another complication is the generally observed termination of propagating chains with metal ion.

Download PDF sample

Absorbent Polymer Technology by Lisa Brannon-Peppas

by Charles

Rated 4.99 of 5 – based on 46 votes