NDLI: Obtaining a new type of polyelectrolyte based on acrylamide and hydrolyzed collagen by electron beam irradiation

Content Provider	Springer Nature Link
Author	Craciun, Gabriela Manaila, Elena Niculescu, Mihaela Ighigeanu, Daniel
Copyright Year	2016
Abstract	The goal of the paper is to present the preparation, characterization and testing of a new type of polyelectrolyte based on acrylamide and hydrolyzed collagen for flocculation purposes. Two kinds of hydrolyzed collagen with different molecular weights have been obtained from tanned leather by-products. Col I type having a molecular weight of 14,900 Da was prepared by chemical enzymatic processing and Col II type of 16,300 Da by chemical processing. Polyelectrolytes, also called flocculants, were obtained by electron beam irradiation with doses between 2 and 4.5 kGy in atmospheric conditions and at room temperature. The obtained flocculants were characterized using various physical and chemical methods to determine the conversion coefficient, residual monomer content, intrinsic viscosity, molecular weight and radius of gyration. Also, the flocculants were characterized by Fourier transform infrared spectroscopy technique to highlight the collagen binding to the acrylamide structure and by scanning electronic microscopy to investigate the microstructure. A possible reaction mechanism was proposed. The flocculation characteristics were evaluated in 0.2 wt% kaolin suspension at room temperature.
Starting Page	1299
Ending Page	1326
Page Count	28
File Format	PDF
ISSN	01700839
Journal	Polymer Bulletin
Volume Number	74
Issue Number	4
e-ISSN	14362449
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-08-11
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Flocculants Acrylamide Hydrolyzed collagen Irradiation Flocculation efficiency Polymer Sciences Soft and Granular Matter, Complex Fluids and Microfluidics Characterization and Evaluation of Materials Physical Chemistry Organic Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Chemistry Condensed Matter Physics Polymers and Plastics

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