Chemical Interaction in Blends of Polyamide and Butyl Rubbers

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Authors
  1. Van Dyke, J.D.
  2. Gnatowski, M.
  3. Koutsandreas, A.
  4. Burczyk, A.F.
  5. Duncan, S.
Corporate Authors
Defence R&D Canada - Suffield, Ralston ALTA (CAN)
Abstract
Thermoplastic elastomer (TPE) compositions in rubber applications are increasingly being made from blends of two or more homopolymers. Successful blends are dependent on the compatibility of the individual components, the use of compatibilizing agents, and the method and intensity of the mixing process used to prepare the blends. When compatibilizing agents are present, otherwise incompatible polymers can be blended to yield polyblends or alloys with unique properties. Commonly, block and graft copolymers that posses segments with chemical structures or solubility parameters similar to those of the polymers being blended are effective compatibilizing agents. It is well known that these may be preformed and added to the mixture of polymers undergoing compatibilization, or they may be generated in situ by reaction between coreative functional groups on the polymers or free-radical generation and recombination reactions. The practical uses for blends of polymers are affected by the properties of the components used in the mixture. In our laboratories there has been a strong internet in TPE materials with barrier properties. TRUNCATED
Keywords
Dynamic vulcanization
Report Number
DRDC-SUFFIELD-SL-2001-191 — Scientific Literature
Date of publication
19 Feb 2002
Number of Pages
12
Reprinted from
Journal of Applied Polymer Science, vol 89, 2003, p 980-991
DSTKIM No
CA024166
CANDIS No
521677
Format(s):
Hardcopy;Document Image stored on Optical Disk

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