《TECHNIQUES OF POLYMER CHARACTERIZATION》求取 ⇩

1．INTRODUCTORY＆P．W．ALLEN,B．A．,D．Phil．,The British Rubber Producers＇Research Association,Welwyn Garden City,Hertfordshire1

Solubility and the choice of solvent5

The preparation and handling of polymer solutions11

2．THE FRACTIONATION OF HIGH POLYMERS＆R．W．HALL,B．Sc．,The Distillers Co．Ltd．(Research and Development),Epsom,Surrey19

Principles of the solubility method19

Choice of fractionation technique22

Fractional precipitation methods26

Fractional precipitation by addition of non-solvent27

Fractional precipitation by solvent evaporation32

Fractional precipitation by cooling33

Fractional solution methods34

Direct sequential extraction35

Coacervation method37

Film extraction38

Column extraction42

Gradient elution analysis47

Turbidimetric titration53

Construction of molecular weight distribution curves58

3．NUMBER-AVERAGE MOLECULAR WEIGHTS BY OSMOMETRY＆H．T．HOOKWAY,B．Sc．,Ph．D．,F．R．I．C．,National Chemical Laboratory,Teddington,Middlesex68

Osmometers73

Fuoss-Mead and related instruments76

Zimm-Myerson and related instruments85

The vapour slit osmometer90

Semipermeable membranes92

Experimental procedure105

4．OTHER METHODS FOR THE DETERMINATION OF NUMBER-AVERAGE MOLECULAR WEIGHTS＆D．F．RUSHMAN,B．Sc．,Ph．D．,A．R．C．S．,D．I．C．,F．R．I．C．,The Research Association of British Paint Colour and Varnish Manufacturers,Teddington,Middlesex113

Isothermal distillation:the isopiestic method114

The elevation of boiling-point:ebulliometry116

The depression of melting-point:cryoscopy125

Molecular weight standards128

5．LIGHT-SCATTERING TECHNIQUES＆F．W．PEAKER,B．Sc．,Ph．D．,Chemistry Department,The University,Birmingham131

Theory131

Light-scattering instruments145

Results and scope of the method158

6．VISCOMETRY＆P．F．ONYON,Ph．D．,D．I．C．,F．R．I．C．,College of Technology,Birmingham171

Definitions172

Theory of viscosity of dilute polymer solutions174

The principles of capillary tube viscometry179

The practice of capillary tube viscometry184

Evaluation of viscometric results194

Interpretation of viscometric results199

7．TECHNIQUES OF END-GROUP ANALYSIS＆G．F．PRICE,M．Sc．,A．R．I．C．,British Nylon Spinners Ltd．,Pontypool,Monmouthshire207

Analytical problems212

Carboxyl end-group of polyamides215

Carboxyl end-group of polyesters218

Amine end-group of polyamides220

Acetyl end-group of polyamides223

Hydroxyl end-group of polyesters225

Reducing end-group of cellulose227

8．THE CHARACTERIZATION OF BLOCK AND GRAFT COPOLYMERS＆R．J．CERESA,B．Sc．,National College of Rubber Technology,London N．7231

Principles of the methods234

Determination of the structure of an isolated fraction240

Experimental methods241

Some examples247

Index253