ティー・エイ・インスツルメント・ジャパン （TAInstruments） Official site

Patented measurement technology adopted! A rheometer that improves the analysis of rheological properties.

【Other Features】 ■ True Position Sensor (patent pending) ■ Nano Torque Motor Control ■ Excellent stress, strain, and strain rate control ■ Direct strain vibration ■ Thrust dual radial bearing design ■ Ultra-low compliance integrated molded housing ■ Heat-resistant and anti-vibration electronics design ■ Smart Swap geometry (patented) ■ Original Smart Swap temperature control system ■ Superior Peltier technology ■ Heat spreader technology (patented) ■ Active temperature control (patented) ■ Color display ■ Intuitive touch keypad ■ Traceable torque calibration (patented)

For the manufacturing and evaluation of batteries, electronic components, and semiconductors, thermal analysis equipment and viscoelasticity measurement devices are recommended!

【Device Lineup/Main Evaluation Items】 <DSC Differential Scanning Calorimeter> Melting heat, temperature/glass transition temperature/crystallization, melting/reaction heat, temperature/oxidation <TGA Thermogravimetric Analyzer> Thermal decomposition temperature/quantification of composite material composition/residual solvent amount/kinetic analysis of decomposition reactions <TMA Thermomechanical Analyzer> Glass transition temperature/thermal expansion coefficient/residual strain <DMA Dynamic Mechanical Analyzer> Glass transition temperature/elastic modulus, Young's modulus/frequency dependence/master curve/creep characteristics <Rheometer> Viscoelastic properties/glass transition temperature/elastic modulus/frequency dependence/master curve/thixotropy

This is an introduction to a food analysis case study by a specialist in analysis. This time, we will reveal the secrets of chocolate's deliciousness through thermal analysis and viscoelasticity.

This time, TA Instruments introduces a differential scanning calorimeter called "DSC" and a viscometer known as a "rheometer." In this article, we will clearly explain the deliciousness of chocolate, a familiar food, focusing on the measurement image model related to tempering. ◆ Chocolate Melting and Viscoelasticity Measurement Chocolate has a hardness that allows it to be held in hand before eating, but it mysteriously melts sweetly as soon as it enters the mouth. This characteristic is imparted by a process called "tempering." We investigated the differences that arise from tempering using a rheometer. ◆ The Importance of Tempering and Cocoa Butter Crystal Forms for Delicious Chocolate Did you know that chocolate has as many as six different crystal structures? By controlling these crystal structures during "tempering," we can create a pleasant mouthfeel and shine. We examined the differences that arise from tempering using a DSC.

This is an introduction to case studies of pharmaceutical analysis by a specialist in analysis. This time, we will cover the pharmacokinetics of suppositories and the viscoelastic measurement of hair wax.

TA Instruments handles a device called a "rheometer," which measures viscoelasticity. In this article, we will introduce examples of viscoelasticity measurements for familiar pharmaceutical cosmetics, specifically suppositories and hair wax, along with an easy-to-understand model of the measurement process. ◆ Softening Behavior of Suppositories in the Body For suppositories that are injected and used in the body, the viscoelasticity at storage temperature and body temperature significantly affects product performance. Therefore, we conducted temperature-dependent viscoelasticity measurements on two types of suppository samples. ◆ Application Feel of Hair Wax and Creep Recovery Test It is common to see a wide variety of hair waxes displayed, tailored to different hair types and desired hairstyles. When you pick them up, each has a different feel, suggesting variations in viscoelasticity. Using a rheometer, we can quantitatively evaluate basic viscoelastic indicators such as elasticity and viscosity. Additionally, as will be introduced below, we can assess the stretchability and holding power of hair wax through a measurement mode that mimics the application process on hair (creep recovery test).

This is an introduction to a case study of lubricant analysis by a specialist in analysis. This time, we will clarify the shear rate and temperature dependence of frictional behavior using a rheometer.

This time, TA Instruments introduces a viscoelastic measurement device called the "Rheometer; DHR." In this article, we prepared two types of lubricants and evaluated the friction coefficient measurements of each lubricant, as well as their dependence on shear rate and temperature. ◆ Evaluation of the change behavior of the friction coefficient of lubricants at room temperature The friction measurement accessory of our rheometer (DHR) consists of four metal balls, allowing for stable friction coefficient measurements. We evaluated two types of lubricants and compared their friction coefficients. ◆ Joint evaluation of friction coefficient changes under high temperature and high shear rate The previous measurements were conducted at room temperature, but when used in the field, it is necessary to consider conditions such as high temperatures and high shear rates. This time, we evaluated how the friction of the lubricants changes under conditions of 180°C and 0.1 to 100 mm/s, and which lubricant is more useful as a lubricant, referencing the Stribeck curve.

Optical thermal expansion measuring instrument for demanding research and development and manufacturing technology labs.

The horizontal dilatometer mode with two HiRes video cameras allows for the analysis of the expansion and contraction of samples with lengths ranging from 30 to 60 mm. It can track up to 50% contraction at a maximum heating rate of 100°C/min. For melting samples, there are disposable fixing plates available. The entire measurement system is temperature-controlled and insulated from the furnace chamber. The vertical dilatometer mode uses two HiRes video cameras to analyze the expansion and contraction of samples less than 20 mm placed vertically in the furnace chamber. It can track the firing process of materials that show up to 100% contraction at a maximum heating rate of 100°C/min. The development of the glassy layer does not interfere with the test results because the upper part of the sample can move freely even if the lower base is in contact with the sample fixing plate. In the absolute bending measurement mode, three cameras can simultaneously measure the sample position at three different points (patented by TA), eliminating the need for correction curves. Bending experiments can be measured with samples of lengths 80-85 mm or 25-30 mm.

Introducing the "DIL802/802L," capable of high-precision dual sample measurement.

■Measurement range: -160°C to 1700°C ■Measurement environment: Vacuum, inert gas, air ■Furnace: Horizontal configuration, replaceable ■Temperature uniformity: High ■Displacement measurement: High-resolution LVDT ■Measurement system: Quartz glass, alumina, sapphire, graphite, tungsten ■Temperature measurement: Thermocouples, pyrometers ■Sample: Metals, plastics, ceramics, thin samples

Measurement of thermal expansion in the vertical direction is possible! The highest sensitivity is guaranteed by a high-resolution inductive sensor (LVDT).

DIL 821 ■Sample length: 0–25 mm ■Sample diameter: 12 mm ■Material of sample holder: Quartz glass, Al2O3, Sapphire ■Contact force: 0.01 – 1.0 N ■Change in length: 5 mm ■Resolution AL°C: 1 nm, 0.05°C ■α accuracy: 0.03 x 10^-6 K^-1 ■Atmosphere: Vacuum, inert gas, air ■Temperature range: RT – 1100°C (Type S) RT – 1500°C (Type S) 100 – 1700°C (Type B) DIL 822 ■Sample length: 0–25 mm ■Sample diameter: 6 mm ■Material of sample holder: Graphite, Al2O3 ■Contact force: 0.01 N – 1.0 N ■Change in length: 5 mm ■Resolution AL°C: 1 nm, 0.05°C ■α accuracy: 0.01 x 10^-6 K^-1 ■Atmosphere: Vacuum, inert gas, air (with gas unit including mass flow controller and vacuum unit) ■Temperature range: RT – 2000°C (Type C) 300 – 2300°C (Pyrometer)

This is an introduction to case studies of pharmaceutical analysis by a specialist in analysis. This time, we will look at the pharmacokinetics of suppositories and the viscoelastic measurement of hair wax.

TA Instruments handles a viscoelastic measurement device called a "rheometer." In this article, we will introduce examples of viscoelastic measurements of familiar pharmaceutical cosmetics, specifically suppositories and hair wax, along with an easy-to-understand model of the measurement process. ◆ Softening Behavior of Suppositories in the Body For suppositories that are injected and used within the body, the viscoelasticity at storage temperature and body temperature greatly affects product performance. Therefore, we conducted temperature-dependent viscoelasticity measurements on two types of suppository samples. ◆ Application Feel of Hair Wax and Creep Recovery Test It is common to see a wide variety of hair waxes displayed, catering to different hair types and desired hairstyles. When you pick them up, each has a different feel, suggesting variations in viscoelasticity. Using a rheometer, we can quantitatively evaluate basic viscoelastic indicators such as elasticity and viscosity. Additionally, as introduced below, we can assess the stretchability and holding power of hair wax through a measurement mode that simulates the application process on hair (creep recovery test).

This is the lecture material posted on YouTube ~Rheology: Basic Edition 1~. It is available for free download, so please feel free to make use of it.

We would like to introduce a YouTube course on rheology from TA Instruments, the world leader in viscoelasticity. What is rheology, anyway? Even if you mention viscoelasticity, it doesn't really resonate with me... There are too many measurement modes; which one should I use... Can someone help me? We are offering a groundbreaking tool to solve these questions for free. We are also providing lecture materials for free on the Ipros site, so please make use of them.