2024.07.29
Technical research | Study on rheological properties and melt strength of TPEE modified materials for automotive intake pipes
This article expands the chain of injection grade TPEE by adding epoxy chain extenders, and determines whether the melt strength of TPEE can meet the requirements of 3D blow molding through dynamic rheological properties.
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2024.07.19
Technical Sharing | High speed Collision Material Cards for Automotive Materials and Their Application Methods
Real car collisions have always been an authoritative method for assessing the passive safety of vehicles. In order to evaluate a certain vehicle model and meet automotive safety standards, millions of dollars need to be invested in hundreds of tests, making computer simulation of car collisions a necessary path for vehicle development.
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2024.07.10
Failure Analysis | Analysis of Yellowing of Automobile Expansion Pot Body and Research on Formula Improvement
This article conducts a failure analysis on the yellowing of the expansion pot body, and develops corresponding improvement formulas based on the causes of yellowing, greatly improving the problems of yellowing and decreased transparency of the pot body.
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2024.07.02
Technical sharing | Evaluation methods for high-frequency communication applications using TLCP with different dielectric properties
Study the changes in dielectric properties of three types of inorganic filled modified TLCP materials, and achieve the regulation of the dielectric properties of TLCP materials within a certain range, thereby expanding the application of TLCP in the field of high-frequency communication
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2024.06.27
How to choose a tensile testing fixture for carbon fiber composite materials? Pneumatic or hydraulic?
This study investigated the influence of fixture types on the tensile properties of different types of carbon fibers, in order to explore the selection of fixture types suitable for carbon fiber composite materials.
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2024.06.27
Technical sharing | Multidimensional flame retardant performance evaluation method for PP used in cables
This article investigates the effects of inorganic aluminum hypophosphate (AHP), magnesium hydroxide (MDH), melamine polyphosphate (MPP), and melamine cyanurate (MCA) on the self extinguishing performance and combustion rate of TPE, and establishes a corresponding relationship between the flame retardant performance of the material and the flame retardant performance of the finished wire VW-1.
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2024.06.18
Technical research | Evaluation method for the transparency performance of automotive bumper made of transparent polypropylene
The characterization methods for light diffusion generally use haze parameters, but they cannot effectively explain the effect of light diffusion. This study characterizes the light diffusion effect of materials by introducing a variable angle transmittance tester, introducing two parameters: half power angle and light diffusion coefficient, and investigates the influence of different components on the light diffusion effect.
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2024.06.11
Technical research | Analysis method for the composition of pollutants on the surface of discarded plastic bottles
This study used infrared spectroscopy, micro infrared spectroscopy, and gas chromatography-mass spectrometry (GC-MS) to detect the composition and relative content of liquid and powder solid pollutants on the outer surface of discarded plastic bottles. This can provide guidance for recycling plants to selectively clean pollutants during the plastic bottle recycling process and treat wastewater after cleaning.
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2024.06.05
Technical sharing | How to accurately obtain stress-strain curves in the range of strain rates from 0.001/s to 1000/s
The question of how to obtain stress-strain curves in the range of strain rates from 0.001/s to 1000/s can be transformed into how to perfectly and reliably integrate the results obtained from two sets of testing equipment with different working principles. To answer this question, it is necessary to design from the following four aspects.
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2024.06.05
Technical Research | Using Thermogravimetric TG to Study the Thermal Degradation Dynamics of Polyethylene
Here, we mainly study the thermal degradation activation energy of polyethylene (PE).
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2024.05.29
PPT download: Accurate acquisition method of material characteristic parameters (UDB file) required for flow analysis
Last Thursday, in the live broadcast room of National High Tech Materials, technical experts shared a report on the precise acquisition method of material characteristic parameters required for mold flow analysis, which sparked heated discussions among upstream and downstream personnel in the industry! At the request of our fans, we are now sharing the PPT document with everyone.
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2024.05.27
Technical sharing | The influence of sample preparation methods on the infrared spectra of black PC/ABS alloys
This article compares the effects of different preparation methods on the infrared spectra of black plastic particle samples PC/ABS by scanning the infrared spectra using compression, film, and hot pressing methods.
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