## Stabilization of colloidal dispersions by polymer adsorption |

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Page 9

If 0 < a < 0.1, the polymer molecule is adsorbed as a set of contiguous spheres

with a

adsorption 2 1/2 2 pictured in Fig. Id. In this case, A 2 1/2 s where <S > is the root

...

If 0 < a < 0.1, the polymer molecule is adsorbed as a set of contiguous spheres

with a

**radius**equal or proportional to the**radius**of gyration, and similar to theadsorption 2 1/2 2 pictured in Fig. Id. In this case, A 2 1/2 s where <S > is the root

...

Page 48

to R. With the ratio R/r = S, ,2 V = ± A 6 + in S 2 2 2 S - 4 S S (32) Neglecting a

retardation correction, and for small distances between two equal spheres of

to R. With the ratio R/r = S, ,2 V = ± A 6 + in S 2 2 2 S - 4 S S (32) Neglecting a

retardation correction, and for small distances between two equal spheres of

**radius**r: va = is w where H = R - 2r is the shortest distance between two spheres .Page 61

W was related [192] to the total potential energy VT of interaction and the

potential energy of attraction as follows: Jf(VT) du W = (37) /f(VA) du where u = H/

r, H is the shortest distance between particle surfaces, and r is the

particle.

W was related [192] to the total potential energy VT of interaction and the

potential energy of attraction as follows: Jf(VT) du W = (37) /f(VA) du where u = H/

r, H is the shortest distance between particle surfaces, and r is the

**radius**of theparticle.

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### Contents

ADSORPTION OF POLYMERS FROM SOLUTION | 1 |

CLASSICAL STABILIZATION | 37 |

STERIC STABILIZATION | 65 |

Copyright | |

4 other sections not shown

### Common terms and phrases

adsorbed layer adsorbed molecules adsorbed polymer molecules adsorbed segments adsorption of polymers amount of adsorption approach aqueous assumed attractive energy Bagchi bridging calculated Chem Clayfield Colloid Interfac colloidal dispersions concentration configurations cules curves decreases dispersion medium DLVO theory effect Eirich electrical double layer electrical repulsive enthalpy entropic entropic repulsion equation experimental Figure film flocculation free energy free energy change function Hamaker constant Hesselink increases interaction loop adsorption Mackor Meier melamine resin molecular weight Napper nonaqueous nonionic nonionic surfactant number of segments osmotic repulsion Ottewill Overbeek oxide parameter particles Phys pigment poly poly(ethylene poly(vinyl alcohol polyamide polyelectrolyte polymer adsorbed polymer solution polystyrene potential energy radius Redrawn with permission repulsive energy repulsive force resin rH rH rH Sato sedimentation segment density shown in Fig solvation solvent solvent molecules sorbed sorption steric stabilization studied surface area surface coverage surfactant temperature theoretical thickness tion viscosity Waals