1、Determine the Softening Point of Resins by ASTM D6090
This article explains the method for measuring the softening point of resins according to the ASTM D6090 standard, with the help of Mettler cup-and-ball apparatus..
2、How to test the quality of C5 petroleum resin for rubber?
We typically use the ring - and - ball method to measure the softening point. In this method, a resin sample is placed in a ring, and a ball is placed on top of the resin. The assembly is then heated at a controlled rate in a glycerol bath.
3、浅色高软化点C5 树脂的合成
The softening point of resin is about 50 ℃ higher using dichloromethane as solvent than using toluene. The highest softening point of the 1,3-pentadiene resin produced is 139 ℃, which...
4、Automatic Softening Point Tester for Resin
Automatic Softening Point Tester for Resin, Find Details and Price about ASTM D36 asphalt testing from Automatic Softening Point Tester for Resin - Shanghai Changji Geological Instrument Co., Ltd.
C5 Resin & Modified C5 Resin
Styrene modified C5 resin with a narrow molecular weight distribution, has outstanding rolling ball tack, and excellent balance of peel and cohesive strength.
Puyang Binder Chemical Co., Ltd.
Test methods based on ASTM E-28-96. 1.Wide softening point range 90-120°C. 2.Narrow molecular weight distribution. 3.Resins can replace some of ExxonMobil, Kolon and Zeon resin. The product is available both in 25Kg multi-ply paper bags and 500kg bags. The product should be stored in cool ventilated dry place.
C5 Petroleum Resin
C5 Hydrocarbon Resin ( Petroleum resin ) is low molecular weight, light color resin, is widely used in PSA, hot melt adhesives, rubber, hot melt road marking paint etc.
A1085 C5 Petroleum Resin (℃)Softening Points 80
Presently, C5 Hydrocarbon resin is playing gradually more and more important role as tackfier in the adhesive and sealant industry, especially in the application of hot melt adhesive and pressure sensitive adhesive.
Synthesis of C5 petroleum resin with light color and high softening point
The softening point of resin is about 50°C higher using dichloromethane as solvent than using toluene.
DiagPoly™ Hydrogenated C5 Hydrocarbon Resin, Softening Point 110
DiagPoly™ Hydrogenated C5 Hydrocarbon Resin, Softening Point 110-120°C from CD Bioparticles are used in a variety of demanding industrial & consumer applications, like appliances, computers & electronics.
In modern industrial and scientific research fields, the physical properties of materials are critical indicators for evaluating their performance. Among these, resins—as essential organic polymer materials—play a significant role in determining the quality and application effectiveness of products. Understanding and mastering the physical properties of resins, particularly their softening points, is crucial for both industrial production and scientific research.
The softening point, also known as the glass transition temperature (Tg), refers to the temperature at which a material transitions from a solid to a liquid state. Above this temperature, the material begins to flow, while below it, it remains solid. The softening point is a key parameter for assessing the thermal stability of polymeric materials. It not only reflects the material’s heat resistance but also closely relates to its processing performance, mechanical properties, and other characteristics.
C5 resin, a common thermosetting resin, is widely used in electronics, aerospace, automotive, and other industries. Determining the softening point of C5 resin is vital for improving product quality and performance.
A C5 resin softening point tester is a specialized device designed to measure the softening point of resins. It operates by heating a sample and observing its physical changes during the process to identify the softening point. The instrument typically consists of a heating system, temperature control system, sample container, observation window, and other components.
Operational Procedure:
- Place the C5 resin sample into the container.
- Insert the container into the heating system.
- Gradually increase the temperature using the controlled heating system.
- Monitor the sample closely until it begins to flow, marking the softening point. Throughout the process, observers must track physical changes (e.g., color, shape) and record critical transformations for analysis.
The principle behind the tester relies on the coefficient of thermal expansion. As temperature rises, the material’s thermal expansion coefficient changes. When the temperature reaches a critical point, the coefficient surges, causing the sample to deform or flow—this temperature is the softening point.
To ensure accuracy and reliability, strict adherence to protocols is required:
- Pretreat samples (e.g., cleaning, drying) to maintain purity.
- Regularly inspect the sample’s state during heating.
- Stop heating immediately when flow begins and record the softening point.
Beyond C5 resin, other resins like epoxy and phenolic resins—commonly used in composite materials—also rely on softening point determination to guarantee performance. For example, the softening point of epoxy resin affects its thermal stability during curing, while that of phenolic resin influences mechanical properties.
Applications: The softening point tester is versatile, applicable not only to resins but also to measuring thermal stability, melt flow index, and other parameters. These metrics are essential for evaluating material processability, product quality, and service life.
Modern Developments: Traditional methods may no longer meet industrial demands. Innovations include:
- Computerized data processing for higher precision and efficiency.
- Automated equipment to reduce human error and labor.
the C5 resin softening point tester is a vital tool in research and industry. Accurate softening point measurement supports material design, processing, and application. With ongoing technological advancements, future methods promise greater precision, efficiency, and convenience.
