Accession Number : ADA193824

Title :   Interactions in Miscible Polymer Blends.

Descriptive Note : Final rept. 1 Sep 84-29 Feb 88,

Corporate Author : TEXAS UNIV AT AUSTIN DEPT OF CHEMICAL ENGINEERING

Personal Author(s) : Paul, Donald R ; Barlow, Joel W

PDF Url : ADA193824

Report Date : 29 Mar 1988

Pagination or Media Count : 16

Abstract : This research has been concerned with learning more about the energetic interactions between the segments of polymers and how they affect the phase behavior and the physical properties of polymer blends. A primary tool for quantitative investigation of these interactions has been the calorimetric measurement of heats of mixing between low molecular weight liquids having structures similar to those of polymers of interest. In this way, it has been possible to simulate both intermolecular and intramolecular interactions that are important in blend phase behavior and properties. Various theories have been employed to utilize this information including one that permits prediction of miscibility by a group contribution method. Several new miscible blend systems were identified, e.g. polycarbonate/poly(methyl methacrylate), and several ways to use copolymerization to manipulate phase behavior were demonstrated. Keywords: Polymer blends, Copolymers, Permeation, Miscibility, Calorimetry, Spectroscopy, Sorption, Rubber toughening, Liquid crystalline polymer, Polycarbonates, Methacrylates, Acrylates, Styrenics, Adhesion.

Descriptors :   *POLYMERS, *MOLECULE MOLECULE INTERACTIONS, *EXOTHERMIC REACTIONS, ACRYLATES, ADHESION, BLENDING, CALORIMETERS, CALORIMETRY, COPOLYMERIZATION, COPOLYMERS, ENERGETIC PROPERTIES, INTERACTIONS, LIGHTWEIGHT, LIQUID CRYSTALS, LIQUIDS, MEASUREMENT, METHACRYLATES, MIXING, MIXTURES, MOLECULAR WEIGHT, PHASE STUDIES, PHYSICAL PROPERTIES, POLYCARBONATES, POLYMETHYL METHACRYLATE, PREDICTIONS, RUBBER, SOLUBILITY, SORPTION, SPECTROSCOPY

Subject Categories : Polymer Chemistry

Distribution Statement : APPROVED FOR PUBLIC RELEASE