2012
DOI: 10.9790/3021-021243237
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Thermo Mechanical Analysis of Polypropylene/Calcium Carbonate Nano Composite using Thermo Mechanical Analyzer

Abstract: :-Polypropylene is extensively used for varied applications due to its low cost, low density, high thermal stability and resistance to corrosion. Enhanced mechanical properties of Polypropylene can be achieved by mixing it with clays to form nanocomposites which increases its utility. Polypropylene Nano composites are formed by mixing polypropylene with calcium carbonate nano particles. This results in lighter materials with higher modulus and reduced linear thermal expansion making them desirable for some app… Show more

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Cited by 2 publications
(2 citation statements)
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“…Polyester matrix CTE is reported to be 55 to 100 © 10 ¹6 /K 12) while CaCO 3 being a hard material has much lower CTE than polymers. 13) Secondly, thermal transitions exist in the polymers. Styrene-butadiene is reported to have a T g at 208 K; 14) while polyester resin is reported to transition to an increased thermal expansion coefficient between 333 and 343 K. 15) With the ultra-high surface area of CaCO 3 particles during heating or cooling of the finished samples, CTE mismatch coupled with polymer transitions probably generate enhanced compressive residual stresses over that of polymer and glass fibers alone.…”
Section: Strengthening Mechanisms From Nanoparticlementioning
confidence: 99%
See 1 more Smart Citation
“…Polyester matrix CTE is reported to be 55 to 100 © 10 ¹6 /K 12) while CaCO 3 being a hard material has much lower CTE than polymers. 13) Secondly, thermal transitions exist in the polymers. Styrene-butadiene is reported to have a T g at 208 K; 14) while polyester resin is reported to transition to an increased thermal expansion coefficient between 333 and 343 K. 15) With the ultra-high surface area of CaCO 3 particles during heating or cooling of the finished samples, CTE mismatch coupled with polymer transitions probably generate enhanced compressive residual stresses over that of polymer and glass fibers alone.…”
Section: Strengthening Mechanisms From Nanoparticlementioning
confidence: 99%
“…Polyester matrix CTE is reported to be 55 to 100 © 10 ¹6 / K 12) while CaCO 3 being a hard material has much lower CTE than polymers. 13) Moreover, styrene-butadiene is reported to have a T g at 208 K; 14) while polyester resin is reported to transition to an increased thermal expansion coefficient between 333 and 343 K. 15) CTE mismatch coupled with polymer transitions probably generate enhanced compressive residual stresses over that of polymer and glass fibers alone. Dragoi et al reports particles in close proximity can be beneficial for thermal residual stresses to reach a maximum.…”
Section: Introductionmentioning
confidence: 99%