Content: Instrumental analyses of modified cottons / Ruth R. Benerito, Truman L. Ward, and Oscar Hinojosa --
Cross-polarization/magic angle spinning ¹³C-NMR study : molecular chain conformations of native and regenerated cellulose / F. Horii, A. Hirai, and R. Kitamaru --
Conformational accessibility of some simple polyglucosides / Alfred D. French --
Quantitative analysis of textiles by IR spectroscopy : a comparison of Fourier transform and dispersive techniques / Nancy M. Morris and Ralph J. Berni --
Electron spin resonance studies on oxygen diffusion in [gamma]-irradiated polypropylene fibers around the glassy transition temperature / M.I. Chipara, V. Lupei, L. Georgescu, D. Catana, S. Bercea, M. Velter-Stefanescu, and D. Staicu --
A partial phase diagram and crystal solvate for the poly(p-phenyleneterephthalamide)/sulfuric acid system / K.H. Gardner, R.R. Matheson, P. Avakian, Y.T. Chia, and T.D. Gierke --
Aromatic azomethine polymers and fibers / Paul W. Morgan, Terry C. Pletcher, and Stephanie L. Kwolek --
Silicone and fluorosilicone elastomers : structure and properties / K.E. Polmanteer and J.R. Falender --
Phosphazene elastomers : synthesis, properties, and applications / Robert E. Singler, Gary L. Hagnauer, and Richard W. Sicka --
Curing of vinylidene fluoride based fluoroelastomers / W.W. Schmiegel and A.L. Logothetis --
Rubber processing through rheology / Jean L. Leblanc --
Mesophase formation in polynuclear aromatic compounds : a route to low cost carbon fibers / R.J. Diefendorf --
Pitch-solvent interactions and their effects on mesophase formation / J.G. Venner and R.J. Diefendorf --
Molecular weight determination and distribution in pitches / S.H. Chen, W.C. Stevens, and R.J. Diefendorf --
Solvent-extracted pitch precursors for carbon fiber / D.M. Riggs --
Effects of sulfur and metals on mesophase formation in coal liquid asphaltene and petroleum pitch / Yong-Da Gu, Victoria A. Weinberg, Mohammad-Ali Sadeghi, and Teh Fu Yen --
Reaction of formaldehyde vapor with water-wetted wool / S.M. Al-Khayatt, H.L. Needles, S.A. Siddiqui, and S.H. Zeronian --
Accelerated UV and radiation-induced grafting of monomers to cellulose in the presence of additives : applications of these copolymers in art restoration and preservation / Chye H. Ang, John L. Garnett, Stan V. Jankiewicz, Ron Levot, and Mervyn A. Long --
The mechanism of surface cavitation in polyethylene terephthalate fibers / C.J. Durning, H.D. Weigmann, L. Rebenfeld, and W.B. Russel --
Fluorenone polymers and fibers / A.M. Usmani --
Polyester processability in texturing as a function of spun yarn morphology / J.H. Southern, R.W. Miller, and R.L. Ballman --
Effects of annealing below Tg on the properties of poly(vinyl chloride)/ Derek A. Ott and Eckhard W. Hellmuth --
Modeling the melt spinning process / Henry H. George --
Design of tire cords : optimization of viscoelastic properties / D.C. Prevorsek, C.W. Beringer, and Y.D. Kwon --
Deformation profiles : effect on the properties of high density polyethylene drawn by solid-state extrusion / Tetsuo Kanamoto, Masayoshi Ito, Katsuyuki Ogura, Koji Tanaka, and Roger S. Porter --
Tailoring polymer molecules for specific fiber and ribbon properties / Thaddeus E. Helminiak and Robert C. Evers.
Author(s): Jett C. Arthur, Jr., R. J. Diefendorf, T. F. Yen, H. L. Needles, J. R. Schaefgen, M. Jaffe, and A. L. Logothetis (Eds.)
Series: ACS Symposium Series 260
Publisher: American Chemical Society
Year: 1984
Language: English
Pages: 419
City: Washington, DC
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 Instrumental Analyses of Modified Cottons......Page 9
Fabrics......Page 10
Titrations......Page 11
Cold Plasma Treatments......Page 12
Results and Discussion......Page 13
Summary......Page 30
References......Page 31
2 Cross-Polarization/Magic Angle Spinning 13C-NMR
Study Molecular Chain Conformations of Native and Regenerated Cellulose......Page 33
Experimental......Page 34
1. Assignments of the Resonance Lines of the Crystalline and Noncrystalline Components.......Page 35
2. Relationships between 13C Chemical Shifts and the Corresponding Torsion Angles.......Page 39
3. Chain Conformation of the Crystalline and Noncrystalline Components of Cellulose.......Page 42
Literature Cited......Page 47
3 Conformational Accessibility of Some Simple Polyglucosides......Page 49
Flexiblity Within the Glucopyranose Ring......Page 50
Flexiblity at the Linkage Between Monomers......Page 52
Results from n-h Map Studies......Page 53
Discussion......Page 59
Literature Cited......Page 64
Comparison of CDIS and FTIR......Page 66
Experimental......Page 67
THPOH-NH3 Treated Cotton......Page 69
DMDHEU Treated Cotton......Page 70
Cotton-Polyester Blends......Page 75
Conclusions......Page 78
References......Page 79
5 Electron Spin Resonance Studies on Oxygen Diffusion In γ-Irradiated Polypropylene Fibers Around the Glassy Transition Temperature......Page 80
Experimental Methods......Page 81
Experimental Data......Page 82
Discussion......Page 87
Mathematical Description......Page 89
Literature Cited......Page 91
Experimental......Page 93
Model Solvate Structure......Page 94
Phase Diagram......Page 96
Discussion......Page 99
References......Page 103
Polymer Preparation......Page 105
Polymer Properties......Page 106
Fiber Preparation and Properties......Page 112
Test Procedures......Page 115
References......Page 116
8 Silicone and Fluorosilicone Elastomers Structure and Properties......Page 117
Discussion......Page 118
Effect of TMPS (B units) Content in Block Copolymers with DMS (A units)......Page 119
Siloxane Elastomer Foams - Structure and Properties......Page 125
Optically Clear Silicone Elastomers From New Silica Technology......Page 128
Summary......Page 137
References......Page 140
9 Phosphazene Elastomers Synthesis, Properties, and Applications......Page 142
The Polymerization Process......Page 143
Poly(organophosphazenes)......Page 145
Alternate Synthesis Approaches Phosphazene......Page 150
Future Trends......Page 153
Literature Cited......Page 154
10 Curing of Vinylidene Fluoride Based Fluoroelastomers......Page 157
Results and Discussion......Page 159
Conclusion......Page 176
Literature Cited......Page 179
11 Rubber Processing Through Rheology......Page 181
Rheology and mixing rubber......Page 182
Rheology and extrusion of rubber......Page 191
Rheology of heterogeneous rubbery materials......Page 198
Conclusions......Page 201
Literature......Page 203
Carbon Yield......Page 205
Orientation......Page 206
References......Page 213
13 Pitch-Solvent Interactions and Their Effects on Mesophase Formation......Page 215
Solvent Selection......Page 217
Characterization of Select Mesophase Forming Samples......Page 223
Effect of Altering Pitch to Solvent Ratio......Page 225
Conclusion......Page 228
Literature Cited......Page 230
14 Molecular Weight Determination and Distribution in Pitches......Page 231
Experimental......Page 232
Results and Discussions......Page 233
References......Page 239
15 Solvent-Extracted Pitch Precursors for Carbon Fiber......Page 240
General Characteristics of Pitches......Page 241
Characteristics of Solvent Extracted Petroleum Pitch......Page 244
Carbon Fiber Characteristics......Page 249
Summary and Conclusions......Page 252
Literature Cited......Page 257
16 Effects of Sulfur and Metals on Mesophase Formation in Coal Liquid Asphaltene and Petroleum Pitch......Page 258
Experimental......Page 259
1. Effect of Elemental Sulfur......Page 261
2. Effect of Dibenzothiophene (DBT)......Page 263
4. Effect of Organometallics with 6% by Wt. Organic Sulfur......Page 265
Conclusions......Page 268
Literature Cited......Page 272
17 Reaction of Formaldehyde Vapor with Water-Wetted Wool......Page 273
Experimental......Page 275
Results and Discussion......Page 278
Literature Cited......Page 285
18 Accelerated UV and Radiation-Induced Grafting of Monomers to Cellulose in the Presence of Additives Applications of These Copolymers in Art Restoration and Preservation......Page 286
Results and Discussion......Page 287
Literature Cited......Page 298
19 The Mechanism of Surface Cavitation in Polyethylene Terephthalate Fibers......Page 300
Experimental Investigations......Page 301
The Mechanism of Cavitation......Page 303
Surface Conditions during Fiber Modification......Page 311
Literature Cited......Page 314
20 Fluorenone Polymers and Fibers......Page 316
Characterization of Polyesters......Page 317
Monomer Synthesis......Page 318
Results and Discussion......Page 319
References......Page 329
21 Polyester Processability in Texturing as a Function of Spun Yarn Morphology......Page 330
Discussion......Page 332
Literature Cited......Page 335
22 Effects of Annealing Below Tg on the Properties of Poly(vinyl chloride)......Page 336
Experiments and Results......Page 337
Discussion......Page 341
Literature Cited......Page 343
23 Modeling the Melt Spinning Process......Page 344
Literature Cited......Page 358
24 Design of Tire Cords Optimization of Viscoelastic Properties......Page 359
Consequences of Mechanical Loss......Page 362
Minimization of Mechanical Loss from the Cord in Running Tires......Page 370
Effect of Excessively Low Mechanical Loss of Cords on Tire Vibration......Page 374
Literature Cited......Page 376
Measurement of Tire Temperature at Strategic Positions in the Tire while Tire is Running on a Test Wheel......Page 377
Iterative Solution of the Heat Transfer Equation by Finite Difference Approximations......Page 378
Relationship between the Mechanical Loss and Standing Wave Formation......Page 380
Critical Speed of Standing Wave Formation......Page 381
Relation Between the Damping Coefficient kr and Mechanical Loss of Tire......Page 383
25 Deformation Profiles Effect on the Properties of High Density Polyethylene Drawn by Solid-State Extrusion......Page 384
DSC Melting Behavior......Page 388
Elastic Shrinkage......Page 390
X-Ray Analysis......Page 392
Morphological Change During Extrusion......Page 393
Literature Cited......Page 400
26 Tailoring Polymer Molecules for Specific Fiber and Ribbon Properties......Page 402
Background......Page 403
Discussion......Page 404
Literature Cited......Page 407
Author Index......Page 408
A......Page 409
C......Page 410
E......Page 411
F......Page 412
L......Page 413
P......Page 414
R......Page 416
S......Page 417
V......Page 418
Y......Page 419
