Changes in the solvent dielectric properties are correlated with changes in polypeptide conformer populations. Gramicidin A, a peptide native to membrane environments, forms a variety of well deΓned dimeric conformations in relatively low dielectric organic solvents. However, changes in this environ
Solvent induced changes in the thermal stability of a polyurethane
β Scribed by P. D. Nair
- Publisher
- John Wiley and Sons
- Year
- 1991
- Tongue
- English
- Weight
- 132 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0323-7648
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The radiation-induced grafting of methacrylic acid onto polyurethane has been carried out in the presence of solvents. The swelling of polyurethane was highest when the solubility parameter of the monomer solution was 11.0. The molecular weight of polyurethane did not change with the irradiation dos
## Abstract The effect of selected organic compounds on the variation of thermal stability of PVC during the polymerization has been studied. MΜ~__w__~, molecular weight distribution, and syndiotactic dyads content were determined in the polymers obtained. The variation of thermal stability is corr