By P. Molyneux (auth.), C. A. Finch (eds.)

To the biochemist, water is, after all, the single solvent important of attention, simply because traditional macromolecules express their awesome conformational houses in basic terms in aqueous media. most likely due to those extraordinary houses, biochemists don't are inclined to regard proteins, nucleotides and polysaccharides as polymers within the manner that genuine polymer scientists regard methyl methacrylate and polyethylene. The legislation of polymer information infrequently follow to local biopolymers. among those strong camps, lies the No-man's land of water soluble artificial polymers: right here, we should also contain average polymers that have been chemically transformed. The clinical literature of those compounds is characterised via a good number of patents, that's often an indication of little easy realizing, of 'know-how' instead of of 'know-why'. the various actual homes of such aqueous suggestions are interesting: the polymer should be thoroughly miscible with water, and but water is a 'poor' solvent, by way of polymer parlance. ~kiny of the polymers shape thermorever­ sible gels on heating or cooling. The phenomena of exothermic blending and salting-in are universal positive factors of such platforms: neither should be absolutely defined via the to be had theories. ultimately, the eccentric behaviour of polyelectrolytes is definitely documented. regardless of the shortcoming of a legitimate physico-chemical origin there's a normal know-how of the significance of water soluble vinyl, acrylic, polyether, starch and cellulose derivatives, as witnessed back by way of ~he enormous patent literature.

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477 - 551, 1941:New York. McGraw-Hill. colloid Sci. ,1965,20,417. ,194B,£,21. Saunders, in 'Rheology' (Ed. Eirich). pp. 313 - 362. 195B:London. Academic Press. Ward, Proc. 2nd. International Congr. 284. Instruments, 1941,12,79. 5. Research, 1952,A5,153. ,1948,70,2244. Blanshard, in Ref 9. (pp. 425 - 435). , (in the press). ,19BO, 32,52P. Warburton, in 'rons in macromolecular and biological systems' 197B:Scientechnica, pp. 273 - 283. Thomson Department of Chemical Sciences The Polytechnic Huddersfield West Yorkshire HDI 3DH INTRODUCTION Water-soluble polymers may be grouped under three main headings: (i) naturally occurring; (ii) semi-synthetic, in which inherently insoluble polymers are modified by suitable chemical treatment in order to disturb their normal structures and enhance their interaction with water; (iii) completely synthetic polymers which are produced by condensation, addition, or ring-opening polymerization.

Research, 1952,A5,153. ,1948,70,2244. Blanshard, in Ref 9. (pp. 425 - 435). , (in the press). ,19BO, 32,52P. Warburton, in 'rons in macromolecular and biological systems' 197B:Scientechnica, pp. 273 - 283. Thomson Department of Chemical Sciences The Polytechnic Huddersfield West Yorkshire HDI 3DH INTRODUCTION Water-soluble polymers may be grouped under three main headings: (i) naturally occurring; (ii) semi-synthetic, in which inherently insoluble polymers are modified by suitable chemical treatment in order to disturb their normal structures and enhance their interaction with water; (iii) completely synthetic polymers which are produced by condensation, addition, or ring-opening polymerization.

1965,20,417. ,194B,£,21. Saunders, in 'Rheology' (Ed. Eirich). pp. 313 - 362. 195B:London. Academic Press. Ward, Proc. 2nd. International Congr. 284. Instruments, 1941,12,79. 5. Research, 1952,A5,153. ,1948,70,2244. Blanshard, in Ref 9. (pp. 425 - 435). , (in the press). ,19BO, 32,52P. Warburton, in 'rons in macromolecular and biological systems' 197B:Scientechnica, pp. 273 - 283. Thomson Department of Chemical Sciences The Polytechnic Huddersfield West Yorkshire HDI 3DH INTRODUCTION Water-soluble polymers may be grouped under three main headings: (i) naturally occurring; (ii) semi-synthetic, in which inherently insoluble polymers are modified by suitable chemical treatment in order to disturb their normal structures and enhance their interaction with water; (iii) completely synthetic polymers which are produced by condensation, addition, or ring-opening polymerization.

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