💡 In This Article What the x- and y-axes represent and why the overall spectrum matters Why peaks point in opposite directions in transmittance and absorbance spectra How to compare relative changes between samples and identify meaningful differences Why baseline correction, sample preparation, and ATR cleaning matter for reliable interpretation Before Memorizing Peak Positions, Understand … Continue reading Reading an FT-IR Spectrum ②: How Should You Interpret the Peaks?
Reading an FT-IR Spectrum ①: What Does FT-IR Actually Tell Us?
💡 In This Article The basic principle of Fourier transform infrared (FT-IR) spectroscopy How FT-IR can be used to monitor epoxy curing reactions The differences between the KBr pellet method and attenuated total reflectance (ATR) In previous articles, we explored how thermal analysis techniques such as DSC and DMA help characterize the thermal behavior and … Continue reading Reading an FT-IR Spectrum ①: What Does FT-IR Actually Tell Us?
Why Does Halogen-Free Matter in Electronics Materials?
💡 In This Article Why environmental and safety requirements have increased demand for halogen-free flame-retardant systems Key halogen-free alternatives, including ATH, MDH, red phosphorus, expandable graphite, and phosphorus-based flame retardants Why aluminum trihydrate (ATH) is widely used, and what limits its use at high loadings In the previous articles, we explored two approaches to flame … Continue reading Why Does Halogen-Free Matter in Electronics Materials?
How Are Flame-Retardant Additives Used in Epoxy Formulations?
💡 In This Article How additive-based flame retardants differ from flame-retardant epoxy resins Three major mechanisms of flame retardancy The formulation trade-offs involved in using flame-retardant additives In the previous article, What Makes Flame-Retardant Epoxy Different?, we looked at how flame retardancy can be built into the epoxy resin itself. Reactive flame-retardant epoxy isn't the … Continue reading How Are Flame-Retardant Additives Used in Epoxy Formulations?
What Makes Flame-Retardant Epoxy Different?
💡 In This Article How flame-retardant epoxy differs from conventional epoxy containing added flame retardants The differences between gas-phase radical inhibition and condensed-phase char formation How to select a flame-retardant system for a specific application In the previous article, Why Is Developing a Flame-Retardant Adhesive So Difficult?, we explored why developing flame-retardant adhesives is challenging: … Continue reading What Makes Flame-Retardant Epoxy Different?
Why Is Developing a Flame-Retardant Adhesive So Difficult?
💡 In This Article Why flame-retardant epoxy adhesives are difficult to formulate The trade-offs between flame retardancy, adhesion, thermal conductivity, and processability Why UL 94 V-0 and VTM-0 are not interchangeable ratings In previous articles, we looked at the challenges of developing low-temperature-curing epoxy adhesives and thermally conductive adhesives. This time we'll examine another demanding … Continue reading Why Is Developing a Flame-Retardant Adhesive So Difficult?
[Modifier] What Is the Difference Between Carboxylated NBR and Core-Shell Rubber?
💡 In This Article How carboxylated NBR and core-shell rubber improve epoxy toughness through different approaches How reaction-induced phase separation affects the morphology of liquid-rubber tougheners How to select a toughener based on compatibility, Tg, processability, and reliability requirements In the previous article, Why Does Epoxy Turn White? ② – Whitening Caused by Thermal Shock, … Continue reading [Modifier] What Is the Difference Between Carboxylated NBR and Core-Shell Rubber?
Why Does Epoxy Turn White? ② – Whitening Caused by Thermal Shock
💡 In This Article How thermal stress accumulates during thermal shock and thermal cycling How microcracks, crazing, and interfacial damage cause light scattering How C-SAM and cross-sectional FE-SEM help diagnose internal damage In the previous article, Why Does Epoxy Turn White? ① – Whitening Caused by Processing and Material Factors, we examined whitening caused by … Continue reading Why Does Epoxy Turn White? ② – Whitening Caused by Thermal Shock
Why Does Epoxy Turn White? ① – Whitening Caused by Processing and Material Factors
💡 In This Article • Why epoxy whitening can result from different mechanisms, including amine blush and light scattering• How processing conditions and material changes can cause surface or internal whitening• How FT-IR and FE-SEM can help identify the underlying cause In previous articles (Why Does Adhesion Fail Later Even When It Was Good Initially?, … Continue reading Why Does Epoxy Turn White? ① – Whitening Caused by Processing and Material Factors
Why Is Developing a Low-Temperature-Curing Epoxy So Difficult? ② — How Should We Approach Low-Temperature-Curing Epoxy?
💡 In This Article Why "low-temperature curing" has a different meaning depending on the industry and application Why simply adding an accelerator to an existing curing system often reaches its limits How the target cure temperature influences the choice and redesign of the curing system In the previous article, Why Is Developing a Low-Temperature-Curing Epoxy … Continue reading Why Is Developing a Low-Temperature-Curing Epoxy So Difficult? ② — How Should We Approach Low-Temperature-Curing Epoxy?