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  • SEVENTH

    AUSTRALIAN COLLOID AND SURFACE CHEMISTRY

    STUDENT CONFERENCE

    UNIVERSITY OF MELBOURNE

    1977

    PROCEEDINGS AND ABSTRACTS

  • COVER PHOTO

    An electron aicrograph of 1850 A diaaeter latex particles that contain both carboxylate

    and uline •urface group•. The i.naert •how• the electrophoretic 1110bility-pH curve• for

    latice• containing different ratio• (Rl of

    aain• to carboxyl groups.

    ~ "PNpcaati.on and ChaMCt11riaati.on of Amphotmc La.uz Col.1.oida", A. 11cao1a

    and R.O • .Jaaes, ,/. Colloid and

    Intafaa. Sauna., ~ 123 (1977).

    -~ ,:

  • PROCEEDINGS AND ABSTRACTS

    OF THE SEVENTH

    AUSTRALIAN COLLOID AND SURFACE CHEMISTRY

    STUDENT CONFERENCE

    UNIVERSITY OF MELBOURNE, 1977

    CONTENTS

    Preface and short history of the Conference

    Participants, 1977

    Conference Programme

    Abstracts

    ACKNOWLEDGEMENTS

    Page

    1

    4

    6

    8

    Student and Staff participants contributed in part to the running

    of the Conference. However, the major financial support came from

    generous donations by the Utah Foundation, the Australian National University,

    CSIRO, the Universities of Sydney and Melbourne, Albright & Wilson (Australia)

    Ltd, Cyanamid (Australia) P~y Ltd, Dulux (Australia) Ltd, Forrest

    Pharmaceuticals, ICI (Australia) Petrochemical Division, Peko-Wallsend

    Pty Ltd, Repco Ltd, Tioxide (Australia) Pty Ltd, Zinc Corporation Ltd,

    Hardman Chemicals Pty Ltd, Unilever (Australia) Pty Ltd.

    Al.l concerned with the meeting thank these sponsors for making this

    and other Australian Colloid and Surface Chemistry Student Conferences

    possible. The participants also wish to thank John Lyons, the 1977 Conference

    Secretary, and Jackie King, Secretary, Department of Physi~al Chemistry,

    University of Melbourne for their tireless efforts to ensure a successful

    conference.

    ..

  • PREFACE

    Colloid and Surface Science is concerned with processes and systems

    in which the surface of the material exerts a controlling influence on the

    properties of the system. AerosoZs - small droplets of liqu~d dispersed

    in air, aZays - small solid particles dispersed in liquids, emulsions -

    small droplets of one liquid dispersed in another, bZood - small biocolloid

    platelets dispersed in a fluid, photographic film - small silver halide

    particles dispersed in a gel matrix; these examples illustrate the wide

    range of material, biological and technological processes of concern to the

    colloid chemist.

    1.

    Because of the diversity of disciplines involved in colloid and

    surface science, education and research training in the subject expose the

    student to theoretical and experimental skills not only in chemistry, but

    also in physics, biology and engineering. In order to foster these inter-

    disciplinary aspects of colloid science, the Australian Colloid and Surface

    Chemistry Student Corference was begun in 1969 and the present volume

    outlines the prograDl!le and contents of the seventh such conference.

    The conference is designed to allow students and their supervisors ~

    £ran Australian Universities and Colleges to exchange research ideas, to

    give students an opportunity to present technical papers on their research

    work to a critical audience, to learn new experimental and theoretical

    skills and to meet and learn £ran visiting industrial and government

    scientists.

    The seventh student copference was hosted by the Department of Physical

    Chemistry, University of Melbourne, from September 2-4, 1977. Students

    and staff participating came from the Australian National University, the

    University of Sydney and from the Western Australian Institute of Technology.

    Scme 14 student papers and three invited papers by research fellows were

    presented.

    These conferences began in the late sixties as very informal gatherings

    (usually over a weekend) of the research students of Drs Healy (Melbourne)

    and Hwiter (Sydney) respectively . Only student papers were permitted, but

    in successive meetings the number of observers fran other universities, the

    CSIRO and industry gradually increased and the organisation became a

    little more formal.

  • 2.

    The format usually consists of a one-day meeting with fairly wide

    attendance, followed by a more secluded, residential arrangement for the

    weekend, during which the conference programme continues in an informal

    atmosphere with plenty of opportunity for small group discussions and

    social intercourse.

    The 3rd Conference was in February 1972 in Sydney, just before the

    3rd Australian Electrochemistry Conference in Terrigal; most students

    also attended the latter meeting and some presented papers. The 4th

    meeting was in Melbourne in May, 1973 at the time of a one-day meeting

    of the Electrochemistry Division of the Royal Australian Chemical

    Institute, and was continued over the weekend at the University's field

    station at Blackwood near Ballarat, Victoria. The 5th meeting was

    held in Sydney in November 1974 at the University, and then over the

    weekend at the University's field station, Warrah House, Woy Woy, on the

    central coast. The 6th meeting was held at the Department of Applied

    Mathematics, Research School of Physical Sciences, Australian National

    University, Canberra in May, 1976.

    These last four meetings have involved a significant number of

    observers (especially in the preliminary session) and have also involved

    participation by some additional, very active research groups, in particular

    the Applied Mathematicians from ANU, Dr D. Napper's polymer colloids group

    (Sydney), some from Flinders University (Professor Bockris), and from the

    University of Western Australia (formerly Professor Quirk), as well as

    from the Royal Melbourne Institute of Technology and Swinburne College

    of Technology in Melbourne, and from Dr Barnes' group at the University of

    Queensland.

  • S pecial note

    Information on the Australian Colloid and Surface Chemistry

    Student Conferences may be obtained from:-

    Associate Professor R.J. Hunter Department of Physical Chemistry University of Sydney SYDNEY N SW

    Australia 2006

    Ol'

    Professor T.W. Healy Department of Physical Chemistry University of Melbourne PARKVILLE Victoria Australia

    3052

    J ,

  • 4.

    PARTICIPANTS - 1977

    From The Austral-ian National- Univeraity, Department of Appl-ied Matherrutiae

    Bernard Pailthorpe, Research Fellow

    Jos Beunen, PhD Candidate

    Barry Hughes, PhD Candidate

    Eric Perez, PhD Candidate

    Joe Wolfe, PhD Candidate

    From the University of Melbourne, Department of Physical- Chemistry

    Dr T.W. Healy, Professor of Physical Chemistry

    Ian Harding, BSc Honours Candidate

    Ron Hurst, MSc Preliminary Candidate

    John Lyons, MSc Candidate

    Debra Payne, BSc Honours Candidate

    From ICI Auatral-ia Ltd, Central- Research Laboratol']/

    Dr D.E. Yates

    From the University of Sydney, Department of Phyaical- Chemiatry

    Dr R.J. Hunter, Associate Professor of Physical Chemistry

    Dr F. Haekal, Research Fellow

    Dr T. van de Ven, Research Fellow

    Col Bensley, PhD Candidate

    Robert Feigin, PhD Candidate

    Max Keniry, PhD Candidate

    Department of Mechanical llhgineering

    Nhan Phan-Thien, PhD Candidate

    From Swinburne College Jf Technology, Department .of Appl-~ed Chemistry

    John Ralston, PhD Candidate

  • From the Victorian Coiiege of Pharrrucy

    Chris Boag, MSc Candidate

    Prom the Western Austraiian Institute of Technoiogy

    Dr T. Parentich

    VISITORS

    From CSIRO Division of Minerai Chemistry

    Dr L.J. Warren

    Dr G. Sparrow

    Fram CSIRO Division of Chemicai Technoiogy

    Dr D.R. Dixon .

    Dr R. Eldridge

    Luis Kolarik

    Fram CSIRO Division of Food Research, Meat Research Laboratory

    Dr B. Kavanagh

    From the Department of AgricuUure, Tatura Research Station

    Richard Green

    From Nichoias Research Laboratories

    Brendan Lovelock

    From Tio:cide {Austraiia) Fty Ltd

    David Rundle

    5.

    From The Austraiian National University, Department of Applied Mathematics

    Dr D. Chan, Research Fellow

    Dr J. Duniec, Research Fellow

    Dr J. Mitchell, Research Fellow

    Dr R. O'Brien, Research Fellow

    Dr L.R. White, Research Fellow

  • 6.

    AUSTRALIAN COLLOID AND SURFACE CHEMISTRY

    STUDENT CONFERENCE 1977

    PROGRAMME

    Friday, September 2 Department of Physiaai Chemistry, University of Melbour>ne.

    11.00 AM

    11.05

    11.50

    12.35 PM

    2.15

    3.00

    3.45

    4.15

    7.00

    Opening Remarks

    "Polymer Latices as Ideal Colloids"

    "Properties of Polymers attached to Interface

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