Polymer Interface and AdhesionPoly mer Interface and Adhesion provides the critical basis for further advancement in thisfield. Combining the principles of interfacial science, rheology, stress analysis, and fracturemechanics, the book teaches a new approach to the analysis of long standing problemssuch as: how is the interface formed; what are its physical and mechanical properties;and how does the interface modify the stress field and fracture strength of the material.The book offers many outstanding features, including extensive listings of pertinent references,exhaustive tabulations of the interfacial properties of polymers, critical reviews ofthe many conflicting theories, and complete discussions of coupling agents, adhesion promotion,and surface modifications. Emphasis is placed on physical concepts and mechanisms,using clear, understandable mathematics.Polymer Interface and Adhesion promotes a more thorough understanding of the physical,mechanical, and adhesive properties of multiphase, polymer systems. Polymer scientistsand engineers, surface chemists, materials scientists, rheologists, as well as chemical andmechanical engineers interested in the research, development or industrial applications ofpolymers, plastics, fibers, coatings, adhesives, and composites need this important newsource book. |
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Page 9
... occur if the free energy of the system is thereby reduced. This will occur when the condensed vapor has a surface tension similar to or lower than that of the substrate, or in other words, when the condensed vapor exhibits a low contact ...
... occur if the free energy of the system is thereby reduced. This will occur when the condensed vapor has a surface tension similar to or lower than that of the substrate, or in other words, when the condensed vapor exhibits a low contact ...
Page 10
... occurs only at the interfacial layer, while the two bulk phases are not changed. The initial spreading coefficient is thus \ °ls rLV rSL (1.40) where the asterisk refers to mutual saturation. In the second stage, the thin duplex film ...
... occurs only at the interfacial layer, while the two bulk phases are not changed. The initial spreading coefficient is thus \ °ls rLV rSL (1.40) where the asterisk refers to mutual saturation. In the second stage, the thin duplex film ...
Page 14
... occur within the time scale of the experiment. In this case, we will have (1.49). Ys. " 'LV YSL ^ ° Equilibrium contact angle is independent of drop volume. However, contact angles are often found to vary with drop size, particularly with ...
... occur within the time scale of the experiment. In this case, we will have (1.49). Ys. " 'LV YSL ^ ° Equilibrium contact angle is independent of drop volume. However, contact angles are often found to vary with drop size, particularly with ...
Page 19
... occurs at the WenzeFs angle (stable equilibrium). The energy barriers are higher nearer WenzeFs angle, and approach zero at the maximum advancing and the minimum receding angle. The energy barriers increase with increasing ridge height ...
... occurs at the WenzeFs angle (stable equilibrium). The energy barriers are higher nearer WenzeFs angle, and approach zero at the maximum advancing and the minimum receding angle. The energy barriers increase with increasing ridge height ...
Page 20
... occur at a critical roughness, rc , where for 6 q < 90° (1.63) cos Figure 1.11. Barrier height versus contact angle on a rough surface = 45°, r = 1.09, and 6W = 39°. (1) e = 0.3 cm, 0a 44.0°, 0r = 36.5°; (2) e = 0.1 cm, 0a = 64.5°, 0r ...
... occur at a critical roughness, rc , where for 6 q < 90° (1.63) cos Figure 1.11. Barrier height versus contact angle on a rough surface = 45°, r = 1.09, and 6W = 39°. (1) e = 0.3 cm, 0a 44.0°, 0r = 36.5°; (2) e = 0.1 cm, 0a = 64.5°, 0r ...
Contents
1 | |
29 | |
3 INTERFACIAL AND SURFACE TENSIONS OF POLYMER MELTS AND LIQUIDS | 67 |
4 CONTACT ANGLES OF LIQUIDS ON SOLID POLYMERS | 133 |
5 SURFACE TENSION AND POLARITY OF SOLID POLYMERS | 169 |
6 WETTING OF HIGHENERGY SURFACES | 215 |
7 DYNAMIC CONTACT ANGLES AND WETTING KINETICS | 235 |
8 EXPERIMENTAL METHODS FOR CONTACT ANGLES AND INTERFACIAL TENSIONS | 257 |
11 FORMATION OF ADHESIVE BOND | 359 |
12 WEAK BOUNDARY LAYERS | 449 |
13 EFFECT OF INTERNAL STRESS ON BOND STRENGTH | 465 |
14 FRACTURE OF ADHESIVE BOND | 475 |
15 CREEP FATIGUE AND ENVIRONMENTAL EFFECTS | 571 |
Calculation of Surface Tension and Its Nonpolar and Polar Components from Contact Angles by the HarmonicMean and the GeometricMean Methods | 613 |
Unit Conversion Tables | 619 |
Index | 621 |
MECHANISMS OF WETTABILITY AND BONDABILITY IMPROVEMENTS | 279 |
BASIC CONCEPT AND LOCUS OF FAILURE | 337 |
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Common terms and phrases
acid adherend adhesive adhesive bond aluminum analysis Appl applied attraction bond bond strength bondability boundary layer bulk calculated Chem chemical cohesive Colloid Interface Sci constant contact angle crack critical cross-linked curve decrease density depends diffusion discussed drop dyne/cm Effect equation equilibrium ethylene experimental failure Figure force formed fracture energy function given gives glass groups hand increases interaction interfacial interfacial tension joint layer liquid loading lower materials maximum measured mechanical melt metal methacrylate method mode molecular molecules obtained occurs oxide peel phase Phys plasma plastic plate plot polar Poly Poly vinyl polyethylene Polym polystyrene predicted Press pressure region relation rubber separation shear shown shows silane solid solution specimen spreading strength stress surface tension Table temperature tensile term theory thickness tion treated treatment unit values various versus volume weight wettability wetting York zero