Content: The future of RIM in the United States / L.M. Alberino and T.R. McClellan --
Polyurethane RIM : a competitive plastic molding process / E.T. Lloyd and M.C. Cornell / Phase separation studies in RIM polyurethanes : catalyst and hard segment crystallinity effects / R.E. Camargo, C.W. Macosko, M. Tirrell, and S.T. Wellinghoff --
Investigations of the structure-property relationships for RIM polyurethane elastomers : effect of an amine additive / Robert B. Turner, Christine E. Macdonald, John Blackwell, Jeffrey R. Quay, and Chun Dong Lee --
Effect of urethane RIM morphology on deviation from second-order, straight-line dependence / A. Damusis and T.B. Lin --
Structure-property relationships in RIM polyurethanes / N. Barksby, D. Dunn, A. Kaye, J.L. Stanford, and R.F.T. Stepto --
Rheology of polyols and polyol slurries for use in reinforced RIM / M.M. Cross, A. Kaye, J.L. Stanford, and R.F.T. Stepto --
Organotin catalysis in urethane systems / K. Wongkamolsesh and Jiri E. Kresta --
The ketene animal-isocyanate reaction and RIM systems / D.F. Regelman, L.M. Alberino, and R.J. Lockwood --
Nylon 6 RIM / R.M. Hedrick, J.D. Gabbert, and M.H. Wohl --
Activated anionic polymerization of [epsilon]-caprolactam for RIM process / Giovanni Carlo Alfonso, Carmen Chiappori, Sandro Razore, and Saverio Russo --
Properties and morphology of impact-modified RIM nylon / J.L.M. Van Der Loos and A.A. Van Geenen --
Self-releasing urethane molding systems : productivity study / Louis W. Meyer --
Improved RIM processing with silicone internal mold release technology / Joseph E. Plevyak and Loretta A. Sobieski --
Fiberglass reinforcements in RIM urethanes / Mikhail M. Girgis --
Mold filling with polyurethane / H. Müller, W. Mrotzek, and G. Menges --
New developments in RIM equipment / Fritz W. Schneider --
Profiles of temperature and state of cure developed within rubber in injection molding systems / A. Sadr, R. Granger, and J.M. Vergnaud.
Author(s): Jiri E. Kresta (Eds.)
Series: ACS Symposium Series 270
Publisher: American Chemical Society
Year: 1985
Language: English
Pages: 293
City: Washington - D.C
Title Page
......Page 1
Half Title Page
......Page 3
Copyright
......Page 4
ACS Symposium Series......Page 5
FOREWORD......Page 6
PdftkEmptyString......Page 0
PREFACE......Page 7
1 The Future of RIM in the United States......Page 8
Literature Cited......Page 19
2 Polyurethane RIM: A Competitive Plastic Molding Process......Page 20
Assumptions......Page 22
Raw Material Costs......Page 23
Process Energy......Page 24
Hourly Labor Cost......Page 25
Capital......Page 26
New Rim Technology......Page 27
Literature Cited......Page 29
3 Phase Separation Studies in RIM Polyurethanes Catalyst and Hard Segment Crystallinity Effects......Page 30
Experimental......Page 32
Results......Page 36
Discussions......Page 48
Acknowledgments......Page 52
Literature Cited......Page 53
4 Investigations of the Structure-Property Relationships for RIM Polyurethane Elastomers Effect of an Amine Additive......Page 55
Experimental......Page 58
Literature Cited......Page 66
5 Effect of Urethane RIM Morphology on Deviation from Second-Order, Straight-Line Dependence......Page 67
Experimental......Page 69
Results and Discussions......Page 76
Literature Cited......Page 83
6 Structure-Property Relationships in RIM Polyurethanes......Page 85
Description and Operation of RIM Equipment......Page 86
Unfilled RIM-PU Materials......Page 91
Literature Cited......Page 97
7 Rheology of Polyols and Polyol Slurries for Use in Reinforced RIM......Page 99
Measurements of Fibre Packing Fraction......Page 100
Modified Cone and Plate Viscometry......Page 102
High-Shear RRIM Viscometer......Page 107
Acknowledgments......Page 110
Literature Cited......Page 112
8 Organotin Catalysis in Urethane Systems......Page 113
Results and Discussion......Page 114
Literature Cited......Page 123
9 The Ketene Aminal-Isocyanate Reaction and RIM Systems......Page 124
I· Chemistry of the Ketene Aminal/Isocyanate Reaction......Page 125
II. Solution and Bulk (RIM) Polymerizations Using Ketene Aminals......Page 128
EXPERIMENTAL......Page 132
Literature Cited......Page 133
10 Nylon 6 RIM......Page 134
Anionic Polymerization of Caprolactam......Page 135
Nylon 6 Reactive Molding......Page 137
Chemistry......Page 141
Properties......Page 143
Heat Resistance......Page 145
Moisture Effect......Page 148
Molding Processes......Page 149
Reaction Injection Molding......Page 153
Equipment Requirements......Page 157
Low-Pressure Casting......Page 159
Literature Cited......Page 160
11 Activated Anionic Polymerization of ε-Caprolactam for RIM Process......Page 162
Experimental......Page 164
Molecular Mass Distribution......Page 165
Side Reactions and Structural Irregularities......Page 170
Polymerization Kinetics......Page 173
Literature Cited......Page 177
12 Properties and Morphology of Impact-Modified RIM Nylon......Page 179
Morphology......Page 180
Results and discussion......Page 183
Literature Cited......Page 188
13 Self-Releasing Urethane Molding Systems: Productivity Study......Page 190
Commercial IMR Products and Self-Releasing Systems......Page 192
Performance Features......Page 193
Theoretical Considerations......Page 196
Production Optimization......Page 200
Literature Cited......Page 206
14 Improved RIM Processing with Silicone Internal Mold Release Technology......Page 208
Major RIM Developments......Page 209
Need For Internal Mold Release......Page 211
Organic-Silicone Hybrid Technology......Page 212
First Successful Silicone-Organic Hybrid IMR......Page 213
Advances In Silicone-Organic Hybrid IMR Agents......Page 216
Summary
......Page 217
Literature Cited......Page 218
15 Fiberglass Reinforcements in RIM Urethanes......Page 220
Experimental......Page 223
Results and Discussion......Page 224
Conclusions......Page 229
Literature Cited......Page 231
16 Mold Filling with Polyurethane......Page 232
Filling the mix into the mould......Page 233
Direct gating......Page 234
Improved fan gate (IKV version)......Page 236
After-mixers......Page 242
Filling pattern method......Page 245
Literature Cited......Page 252
Impingement Mixing......Page 254
Small Size Rim Mixing Head......Page 256
Minimum Capacity For The Processing Of Solid Filled System (RRIM)......Page 257
Low And Medium Capacity RIM and RRIM Machines......Page 262
RIM And RRIM Machines For The Processing Of Nylon And Epoxy Formulations......Page 264
Free Pour Impingement Mixing Head......Page 266
Literature Cited......Page 272
18 Profiles of Temperature and State of Cure Developed Within Rubber in Injection Molding Systems......Page 273
THEORETICAL......Page 274
EXPERIMENTAL......Page 275
RESULTS......Page 276
NOMENCLATURE......Page 284
LITERATURE CITED......Page 285
Author Index......Page 286
A......Page 287
D
......Page 288
I
......Page 289
N
......Page 290
P
......Page 291
T
......Page 292
X
......Page 293
