Title of article
Kinetics of anhydride formation in xerogels of poly(acrylic acid)
Author/Authors
H. Blanco-Fuente، نويسنده , , S. Anguiano-Igea، نويسنده , , F. J. Otero-Espinar، نويسنده , , J. Blanco-Méndez، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 1996
Pages
9
From page
1667
To page
1675
Abstract
The aim of this work was to study the cross-linkage of xerogels made of Carbopol® of different molecular weight (polymers deriving from polyacrylic acid), and the influence exerted by different percentages of β-cyclodextrin upon the cross-linkage percentage. Xerogels were obtained by high-pressure compression and cross-linking was studied by measuring the weight loss of different formulations over a temperature range of 70 to 190 °C. Kinetics of anhydride formation were found to follow a second-order mechanism with an activation energy of approximately 25 kcal mol−1.
Keywords
Carbopol® , Cross-linking , activation energy , reaction kinetics , Xerogel , anhydride formation
Journal title
Biomaterials
Serial Year
1996
Journal title
Biomaterials
Record number
542574
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