A series of branched poly(ethylene terephthalate) samples was prepared by employing 0.07-0.42 mol % trimethylolpropane (TMP) for melt polycondensation. These polymers were characterized with respect to molar mass, intrinsic viscosity, and melt viscosity. Spinning into fibers took place at spinning s
Effects of pH and Neutral Salts on the Adsorption of the Poly(ethylene glycol terephthalate) Condensates Toward Poly(ethylene terephthalate) Fiber
β Scribed by Meng-Shung Yen; Chien-Chung Cheng
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 841 KB
- Volume
- 287
- Category
- Article
- ISSN
- 1438-7492
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## Abstract The effect of various organic compounds on the birefringence equilibrium shrinkage and swelling of poly(ethylene terephthalate) filaments was studied. Evidence is presented that suggests the carrier action of the compounds is dominated by dispersion forces and that interaction between d
The effect of branching on the crystallization behavior of poly(ethylene terephthalate) has been examined by nonisothermal crystallization studies, using DSC. It was found that branching causes a significant change in the crystallization behavior, in that the Avrami exponent n lies between 1 and 2,