Title

The Modification of Secondary High-Molecular Weight Guayule Rubber with Metachloroperoxybenzoic Acid

Document Type

Article

Publication Date

2-15-1993

Department

Polymers and High Performance Materials

Abstract

The epoxidation of secondary high molecular weight guayule rubber has been accomplished. The reaction is performed using metachloroperoxybenzoic acid as the epoxidation agent in various stoichiometric ratios including 5, 10, 20, and 50 mol %. The products were characterized by infrared spectroscopy, H-1-and C-13-nuclear magnetic resonance (NMR), differential scanning calorimetry, and elemental analysis. H-1-NMR is used quantitatively to calculate epoxidation levels that are compared to stoichiometry. DSC results record a linear relationship between percent epoxidation and T(g).

Publication Title

Journal of Applied Polymer Science

Volume

47

Issue

7

First Page

1255

Last Page

1262

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