Interaction mechanisms between poly(methyl methacrylate) and tricalcium silicate (C 3 S) | Zendy

Sugama T. | Zendy; Kukacka L. E. | Zendy; Horn W. | Zendy

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Interaction mechanisms between poly(methyl methacrylate) and tricalcium silicate (C 3 S)

Author(s) -

Sugama T.,

Kukacka L. E.,

Horn W.

Publication year - 1979

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.1979.070241005

Subject(s) - brine , thermal stability , materials science , methacrylate , silicate , scanning electron microscope , methyl methacrylate , hydrothermal circulation , ionic bonding , infrared spectroscopy , molecule , thermal analysis , carboxylate , polymer , chemical engineering , calcium silicate hydrate , ion , polymer chemistry , composite material , thermal , chemistry , organic chemistry , copolymer , cement , meteorology , engineering , physics

Interaction mechanisms between poly(methyl methacrylate) (PMMA) molecules and tricalcium silicate (C 3 S) occurring in a C 3 S‐filled PMMA molecular structure before and after exposure to a simulated 25% geothermal brine solution at 240°C have been investigated by use of thermal analysis, infrared spectroscopy analysis, scanning electron microscopy, and compressive strength tests. For C 3 S‐filled PMMA samples before exposure to hot brine, it was observed that an interaction between the C 3 S filler and the CH 2 groups in the main chain of the PMMA occurred. After exposure to the hydrothermal environment, indications were that the brine solution induced ionic bonding between the carboxylate anion (COO − ) groups in the PMMA and the Ca 2+ ions from the C 3 S. The reaction contributed to improvements in the thermal stability of the PMMA.

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