The DMA 8000 is flexible and cost effective. Its innovative design, high functionality, and flexible operation make it ideal for advanced research and routine quality testing in the polymers, composites, pharmaceutical, and food industries.
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|Dynamic Range||0 to 600 Hz|
|Maximum Temperature||400 °C|
|Minimum Temperature||-190 °C|
|Technology Type||Thermal Analysis|
PEEK (polyetheretherketone) is a common polymeric material used for a variety of applications. Normally it is supplied as an amorphous material. Normally it is supplied as an amorphous material. This material, when examined in a PerkinElmer® DMA 8000, shows classic relaxation behavior with a sharp and defined glass transition. The material also displays a recrystallization after passing through the Tg. This application note demonstrates the ability of DMA 8000 to investigate both relaxation events and recrystallization in a polymeric sample.
Dynamic Mechanical Analysis (DMA) is one of the most appropriate methods to investigate relaxation events. Rubbery samples are normally examined in either shear or a bending geometry. This note examines single cantilever bending and how the experimental challenges can be overcome through the unique design of the PerkinElmer® DMA 8000.
Thermal analysis comprises a series of powerful techniques for the characterization of the thermal, physical, mechanical and degradation properties of materials. One valuable application of thermal analysis is for the characterization of electronic materials and components, including printed circuit boards (PCB) and encapsulants.
LDPE (Low Density Poly Ethylene) is an important polymer used in the manufacture of plastic products. This application note details Dynamic Mechanical Analysis (DMA) experiments over a temperature and frequency range. The combination of frequency and temperature are important factors for the practical application of LDPE. Relaxations are frequency dependent, so they will occur at different temperatures depending on the distortion frequency the material is subjected to. A temperature scan of the material will be discussed, as will a frequency sweep at a series of discrete temperatures.
Dynamical Mechanical Analysis (DMA) is a very important tool in the modern polymer laboratory despite the fact that only a few books have concentrated on this technique. DMA Basics Part 1 and Part 2 review the basic mathmatics of DMA, DMA operating principal.
The new PerkinElmer® DMA 8000 allows accuracy and precision measurements of the transitions seen in thermoplastics. These transitions, caused by molecular motions and free volume changes, define how a polymer will behave at a certain temperature. Dynamic Mechanical Analysis (DMA) is a powerful technique for studying these transitions.1
The mechanical properties of pasta are very important. In its dried form, it is very brittle and quite stiff. If introduced into a humid environment and heated, the properties of the pasta change dramatically. This application note will investigate the effect of humidity on pasta under isothermal and temperature scanning conditions.
The effects of radiation on polymeric materials is a topic of concern in a range of industries including the sterilization1, medical devices2, food preparation3, and the nuclear power industry4. While much work has concentrated systems like polyolefins that are radiation sterilized1, some work has been done on epoxy systems.The use of fillers to attempt to protect the matrix from radiation is known6 but to our knowledge has not been applied to epoxies. In this work, we use the ferrochromium alloy called ferrochrome (FeCr) as a filler and examine the effect of radiation on the polymer
Dynamic Mechanical Analysis (DMA) is one of the most appropriate methods to investigate relaxation events. The glass transition (Tg) is a key process in any material but is especially important for paint materials. The mechanical properties of paint are dependent on the temperature that the paint is exposed to during its lifetime. For marine applications, the influence of salt water (saline solution) can have an effect on the Tg and this needs to be understood and quantified. Epoxy resin paint can be applied to an inert surface and, once cured, be peeled off to produce a film. In this application note, the paint film is run in tension geometry in the DMA 8000.
The coefficient of thermal expansion (CTE) is an important property of materials. If the material is to be exposed to temperature gradients in its lifetime, it is often important to determine how much it will expand or contract over the temperature range. This application note details the method to be determine the expansion coefficient of two polymers mounted in the PerkinElmer DMA 8000 in tension mode.
This application note demonstrates the ability of the PerkinElmer® DMA 8000 to investigate the mechanical properties of an adhesive, without the need to fabricate a self supporting film.
All materials have a resonance frequency. Often this is of little concern as it is above the normal practical mechanical frequencies that the material will be exposed to. It can be important if the material is to be used in an environment where high frequency mechanical stress is applied, such as engine mounts in a car or some aeronautical applications.
Sucrose is a well known material used for a variety of applications. In its simplest form it is used as sugar in cooking or for coffee. It is also used as an excipient in some pharmaceutical preparations.
This study showshow the amount of water present in a sugar sample will greatly affect its mechanical properties. Using the Triton Technology Humidity Controller linked to the PerkinElmer® DMA 8000, it is shown how the Tg of amorphous sucrose changes when exposed to relative humidity. In addition, a comparison of a very dry sample of sucrose with one exposed to lab atmospheric moisture is shown.
Dynamic Mechanical Analysis (DMA) is a technique used to investigate the stiffness of materials as a function of temperature, humidity, dissolution media or frequency. A mechanical stress is applied to the sample and the resultant strain is measured by the instrument. These parameters are used to evaluate glass transitions, degree of crystallinity and stiffness behavior of the sample.
This application note demonstrates the ability of Dynamic Mechanical Analysis (DMA) to characterize the mechanical properties of an epoxy based printed circuit board (PCB) using a PerkinElmer® DMA 8000. The modulus of the PCB is measured providing an important parameter for the manufacturer. In addition, the glass transition temperature is accurately measured, which gives information about the viable temperature range in which the material can be used.
The characterization of polybutadiene will be demonstrated in this application note.
Today’s plastics are some of the most used materials on a global volume basis. Broadly integrated into today’s industrial and commercial lifestyles, they make a major, irreplaceable contribution to virtually every product category.
In this compendium you will find a wide range of applications for polymers, plastics, rubbers and advanced materials. Discover how to put these applications to work for you simply and efficiently.
Bitumen shingles are used as a common roofing material. Polymer additives are frequently used to enhance the performance and durability of the product. This application note will show the DMA response from two shingles with different additives.
This application note demonstrates PerkinElmer® Material Pocket proposed as a mechanism to support non-rigid materials within the PerkinElmer DMA 8000. It enables powders, flakes, films, liquids and semi-solids to be investigated. In order to have confidence in this as a sample support mechanism, a bar sample of polystyrene and a grated powder in a Material Pocket were analyzed and compared.
The PerkinElmer® Material Pocket has been proposed as a mechanism to support non-rigid materials within the PerkinElmer DMA 8000.
Dynamic Mechanical Analysis (DMA) is one of the most appropriate methods to investigate relaxation events. A composite, by definition, contains more than one component. There are multiple types of composite materials used for various applications from glass fiber reinforced concrete to sophisticated aeronautical polymer composites. In these experiments, a powder filled composite of epoxy polymer proposed for battery manufacture is used. A multi-frequency thermal scan will give information about the glass transition and cure of the material. An isothermal experiment, after raising the temperature above the cure temperature is also discussed.
DMA works by applying an oscillating force to the material and the resultant displacement of the sample is measured. From this, the stiffness can be determined and the modulus and tan d can be calculated.
This application note demonstrates the ability of Dynamic Mechanical Analysis (DMA) to investigate glass transitions in semisolid viscous materials using a PerkinElmer® DMA 8000. The sample chosen was honey, but the technique is suitable for all materials of this type. Instead of scanning temperature as in a conventional DMA experiment, multiple frequencies were used at three discrete temperatures. A clear relaxation is observed in both the modulus and tan d against frequency plots. This note also demonstrates the use of a little used geometry, compression, to obtain results from the sample.
Lactose is a very important pharmaceutical excipient used in tablet and inhalation products. It is prone toforming amorphous regions on processing however, and it can be problematical to characterize amorphic material in a sample.
This work highlights the characterization of epoxy materials by Thermo-Gravimetric Analysis (TGA) and shows that the materials could exhibit considerable weight loss after curing. These weight losses can be characterized by hyphenated methods like Thermo-Gravimetric Analysis Mass Spectrometry (TG-MS) or Thermo-Gravimetric Analysis-Gas Chromatography Mass Spectrometry (TG-GC/MS). Our case study is a set of three epoxies used in an electronic assembly.
The Material Pocket is a stainless steel envelope that holds the sample so it can be mounted in a DMA 8000 instrument. As stainless steel does not have any relaxations or phase transitions over the temperature range of the instrument, this is an ideal sample mounting material.
Time-Temperature Superposition (TTS) analysis allows DMA data to be applied to data collected within the measuring range of the DMA 8000 (0.001 Hz to 600 Hz) to allow modelling of material behavior at much higher or lower frequencies, which may be more representative of “real world” applications. At the low frequency end of the frequency spectrum, “creep” measurements may be carried over many months or even years, however modelled data from DMA using TTS can give an indication of long-term behaviour in a very short time. Similarly, higher frequencies such as those which represent “impact”, typically in the kHz range, can be investigated quickly and easily using DMA in a way which allows meaningful comparisons between different sample treatments or modifications to be assessed.
Dynamic Mechanical Analysis (DMA) is widely used to characterize materials' bulk properties such as modulus, compliance, and damping (tan delta). It measures changes of rheological behavior under dynamic conditions as a function of temperature, time, frequency, stress, atmosphere or a combination of these parameters.
Innovation is the lifeblood of industrial polymer development – the push to improve materials or develop new ones infuses new life into the industry from R&D through to QA/QC. Manufacturers are continually challenged to ensure effective quality control and streamline processes while meeting stringent standards. Increasingly they must design for recycling and/or reuse in an ever more waste-adverse economy, keep a watchful eye on costs and stay ahead of the competition.
In response, we've gained years of experience developing a range of analytical capabilities to address a wide range of polymer analysis needs.
Download the interactive brochure to learn more about the most common challenges and our solutions in the market.
PerkinElmer has been helping Renault F1 Team's Enstone Technical Center with their analytical needs for nearly 30 years. PerkinElmer began by outfitting the team’s testing lab with the analytical instrumentation needed to conduct materials testing. Today, a dedicated PerkinElmer scientific laboratory operates within the team’s Enstone facility where the latest thermal analysis, infrared spectroscopy, and imaging technologies are being utilized for proactive monitoring, issue prevention, and performance enhancement of the team’s single seater. This case study shows you how we offer analytical expertise in helping Renault F1 Team master the thermal stability challenge.
This booklet is a beginner's guide to DMA. It contains the top 20 questions about DMA and an introductory glossary of DMA concepets. It is written for the thermal analyst unfamiliar with DMA.
The Polymer Market consists of a huge diversity of manufacturers of industrial products running many different processes yet still facing similar challenges. There is more and more pressure to achieve high product quality and reduce costs in order to stay one step ahead of the competition.
Product Certificate for the DMA 8000 Dynamic Mechanical Analyzer