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THERMAL ANAYLYSIS FOR POLYMERS: Trivedi Science

Thermal analysisis a branch of material science which deals with the study of change

in properties of materials subjected to change in temperature. The current day analysisis very vast and very dynamic. Continual innovations in the instruments, techniques,

and applications have been making its way to the field and in literature. Theoretically

speaking, almost all the substances, be it solid, semi-solid or liquid, can be analyzed

and characterized using thermal analysis. ts scope of application finds its way into

pharmaceuticals, food, electronics, polymers, ceramics, organic and inorganic

compounds and even biological organisms.

What is Thermal Analysis

!s defined earlier, thermal analysis is the study of change in properties of materials

when they are subjected to a temperature change. That is" all the thermal analytical

techniques measure the change in properties of the material as a function of time. This

information allows researchers to gain access to the macroscopic properties of the

material like equilibriums, thermodynamics, and kinetics.

Thermal Analysis !" P!lymers

#olymers have a wide range of applications. They are used in diverse fields from

cooking utensils to construction, from razors to rockets, from perfumes to petroleum.

$ecause of their diversity, the need to study them in depth becomes very essential.!lso, they are going to be used for applications in varied conditions. %tudying their

change in properties with changes in temperature becomes essential. This makes

thermal analysis of polymers very vital.

Thermal analysisprovides information of polymer characteristic data in relation to

temperature and time. This allows researchers to understand the polymeric

formulations, process history and final physical properties of polymeric materials.

Thermal analyzes techniques available include melting and crystallization

characteristics, crystalline studies, curing reactions and degradation analysis in different

conditions.

Tests F!r P!lymers

There are several methods of carrying out thermal analysis, which usually differ by the

parameters which are being is tested. %ome of the tests and the parameters that are

found are

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#i""erential Scannin$ %al!rimetry S%'

&sing '%C method, the melting point and melting range, heat capacity,

crystallization, glass transition, thermal stability, decomposition temperature and

purity of the polymer can be found out.

#ynamic Mechanical Analysis MA'

&sing '(! the elastic modulus)*+, viscous modulus)*++ and damping

coefficient )tan * are found.

Therm!(Mechanical Analysis&TMA'

This provides dimensional properties data of polymers. (easurement of

dimensional change, coefficient of linear thermal epansion, determination of

material anisotropy, softening temperatures and glass transition, linear thermal

epansion, etc. can be found using T(!.

Therm!()ravimetric Analysis&T)A'

T*! uses heat to force reactions and physical changes in polymers. t provides

quantitative measurement of mass change in polymers associated with the

transition and thermal degradation.

Trivedi E""ect and chan$es in at!mic level

The Trivedi E""ect brings about great changes at the atomic level of the polymers,

ceramics, metals, etc. without implementing any of the sophisticated technologies. The

effect of the Trivedi E""ecton the metals and polymers were analyzed through various

technologies thermal analysis,*(ray di""racti!nand other methods and it was revealed

that there were changes in the size, structure and mass of the atoms. To know more

about the effect of the energy transmissions on the polymers visit,

www.trivediscience.com

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