Prediction of compatibility in polymer-plasticizer systems
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Sep 1, 1990Experimental studies, using rheological and thermal techniques, are useful in understanding the compatibility of this new random copolymer with different plasticizers
Prediction of compatibility in polymer-plasticizer systems Gareth J. Price* School of Chemistry, University of Bath, Claverton Down, Bath BA2 7,4 Y, UK and
Prediction of compatibility in polymer-plasticizer systems
- Classification:Chemical Auxiliary Agent, Chemical Auxiliary Agent
- Other Names:Plasticizer
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Sep 1, 1990Semantic Scholar extracted view of "Prediction of compatibility in polymer-plasticizer systems" by G. Price et al. Skip to search form Skip to main content Skip to
The prediction of the Tg, even in binary systems, will also be difficult due to possible To work with semi-compatible systems, we propose an alternative working model, the k GM, which can be interpreted to arise from
Molecular dynamics study on the physical compatibility of
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The blend module in Materials Studio 8.0 can be used to predict the miscibility of solvent–solvent, solvent-polymer, polymer–polymer, and plasticizer-polymer systems. The
Prediction of compatibility in polymer-plasticizer systems. Polymer, 31 (9) (1990), pp. 1745-1749. View PDF View article View in Scopus Google Scholar Prediction of
Prediction of compatibility in polymer-plasticizer systems
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The solubility of the plasticizer has been calculated from the curves and compared with experimental results. Although the absolute values of the solubilities were underestimated, the
Investigations into plasticizer compatibility also tend towards studying single-plasticizer systems. Plasticizer compatibility is also frequently measured by the suppression of the glass transition temperature of the
Migration of the plasticizer in the compatibilized PP/PVB
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However, plasticizers can migrate from polymer due to weak interactions between polymeric chains and plasticizer molecules. It causes changes in performance and properties
However, plasticizers can migrate from polymer due to weak interactions between polymeric chains and plasticizer molecules. It causes changes in performance and properties of the system plasticizer migration relies on several factors including chemical structure and concentration of the plasticizer, processing conditions, etc. [25,26,27,28,29,30].
- Why is polymer-plasticizer incompatibility important?
- Compatibility between a polymer and a plasticizer produces stable and homogeneous coating film. It is often characterized by a high miscibility between the plasticizer and the polymer blend. Polymer-plasticizer incompatibility influences not only the mechanical properties but also drug release , .
- How to assess polymer-plasticizer compatibility?
- In this study, different methods for the assessment of polymer-plasticizers compatibility were proposed and compared. We have used Dmol3 and COSMO model to generate σ-profiles of the compounds. We have seen that σ-profiles give valuable information regarding polarities, hb-donors and hb-acceptors, wich allow to guess the solubility of compounds.
- How does polymer-plasticizer incompatibility affect drug release?
- Polymer-plasticizer incompatibility influences not only the mechanical properties but also drug release , . Permanence of a plasticizer means its tendency to remain in the plasticized material; i.e. long term compatibility. It depends on the size of the molecule and on its rate of diffusion.
- Do plasticizers affect polymeric coating properties?
- Various studies have been reported in the literature, investigating the effect of plasticizers on the properties of the final polymeric coating. Laboulfie et al. studied the effect of plasticizer on the mechanical resistance and thermal behavior of composite coating films.
- Can MD simulation predict the solubility parameters of polymers and plasticizers?
- The amorphous models of SEBS with TA, DEP, DOS, and WO were constructed, and the solubility parameters of each substance were calculated by MD method. The relative error between the simulated value and the literature value was less than 3%, indicating that MD simulation can be used to predict the solubility parameters of polymers and plasticizers.
- How to determine plasticizer compatibility in PVC?
- Four methods of determining plasticizer compatibility in PVC have been evaluated and compared for PVC formulations containing three plasticisers individually and in combination. GC–MS was used to quantify the plasticizer exudation on the surface of plasticised PVC samples stressed as described in the ASTM D3291 compatibility test.