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Reactively processed high performance impact modified polypropylene/magnesium hydroxide composites: interfacial studies
Author(s) -
Liauw Christopher M.,
Khunová Viera,
Lees Graham C.,
Rothon Roger N.
Publication year - 2003
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/masy.200390082
Subject(s) - materials science , lubricant , polypropylene , composite material , interphase , filler (materials) , magnesium , polymer , hydroxide , factorial experiment , adsorption , chemical engineering , organic chemistry , chemistry , statistics , genetics , mathematics , engineering , metallurgy , biology
The interphase structure development in impact modified PP (IMPP)/magnesium hydroxide (Mg(OH) 2 ) composites reactively processed with 1,3‐phenylene dimaleimide (BMI), in conjunction with a fatty acid amide/ester based lubricant, has been investigated using a three factorial experimental design. Insoluble matrix content, DSC and IR spectroscopic responses indicated that the lubricant preferentially adsorbed on the filler and thus shifted the locus of BMI addition reactions away from the filler surface, towards the bulk matrix. This prevented formation of an effective interphase structure in which the impact modifier phase encapsulating the filler was strongly bonded to the surrounding, chain extended and branched, polypropylene phase.