Emulsion Polymerization of Vinyl Acetate
It is particularly appropriate that this symposium on the emulsion polymeriza tion of vinyl acetate was held in recognition of the industrial importance of poly(vinyl acetate) and vinyl acetate copolymers, and their rather unique properties among emulsio
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Papers based on a symposium on Emulsion Polymerization of Vinyl Acetate held between 10 and 11 April 1980 at the Emulsion Polymers Institute, Lehigh University, Bethlehem, Pennsylvania, USA
Emulsion Polymerization of Vinyl Acetate
Edited by
MOHAMED S. EL-AASSER and
JOHNW. VANDERHOFF Co-directors, Emulsion Polymers Institute, Lehigh University, Bethlehem, Pennsylvania, USA
APPLIED SCIENCE PUBLISHERS LONDON and NEW JERSEY
APPLIED SCIENCE PUBLISHERS LTD Ripple Road, Barking, Essex, England APPLIED SCIENCE PUBLISHERS, INC. Englewood, New Jersey 07631, USA
British Library Cataloguing in Publication Data Emulsion polymerization of vinyl acetate. 1. Vinyl polymers -Congresses 2. Polymers and polymerisation-Congresses I. El-Aasser, Mohamed S. II. Vanderhoff, John W.
547'.28
QD281.P6
ISBN-13: 978-94-009-8116-4
e-ISBN-13: 978-94-009-8114-0
DOl: 10.1 007/978-94-009-8114-0
WITH 65 TABLES AND 108 ILLUSTRATIONS ©
APPLIED SCIENCE PUBLISHERS LTD 1981
Softcover reprint of the hardcover 1st edition 1981
The selection and presentation of material and the opinions expressed in this publication are the sole responsibility of the authors concerned. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publishers, Applied Science Publishers Ltd, Ripple Road, Barking, Essex, England
Introduction
It is particularly appropriate that this symposium on the emulsion polymerization of vinyl acetate was held in recognition of the industrial importance of poly(vinyl acetate) and vinyl acetate copolymers, and their rather unique properties among emulsion polymers in general. Poly( vinyl acetate) latexes were the first synthetic polymer latexes to be made on a commercial scale: their production using polyvinyl alcohol as emulsifier began in Germany during the mid-1930s and has continued to the present day, growing steadily with the years. Indeed, poly(vinyl acetate) latexes prepared with polyvinyl alcohol are still one of the mainstays of the adhesives industry. With the passing of time, however, vinyl acetate copolymers have been developed: copolymers with maleate esters such as dibutyl maleate, acrylate esters such as ethyl acrylate and butyl acrylate, versatic acid esters, and, more recently,
ethylene. These versatile copolymers have found increasing use in more sophisticated adhesives with specialized properties, adhesives for clay coatings on paper, carpet backing, and interior and exterior paints. Thus more than 45 years after the first commercial production of vinyl acetate latexes, their use is still growing, both in actual quantities and different applications. The industrial importance of vinyl acetate latexes makes the mechanism and kinetics of their emulsion polymerization of practical as well as scientific interest. However, little work was done on this subject outside industrial circles, and although vinyl acetate latexe
