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Low-temperature injection pigments are specialized thermochromic micro-encapsulated powders that change color based on activation temperatures, typically ranging from 5°C to 33°C, including specialized options that show color when falling. These pigments are ideal for smart plastics, packaging, and cold-sensitive applications, with a maximum thermal resistance of about 200°C–230°C for short durations.
Key Features of Low-Temperature Pigments
- Activation Range: Common activation temperatures are 50°F (10°C), 59°F (15°C), 65°F (18°C), and 72°F (22°C).
- Reversibility: Most offer reversible color changes (e.g., black to colorless, red to yellow, blue to colorless).
Common Challenges & Tips
- Dispersion & Wetting: Lower temperatures can cause underdispersion, leading to streakiness or poor adhesion. Use easily dispersible pigments or carriers compatible with lower-shear, cooler-running resins.
- Loading Levels: Less is often more; reducing the pigment load can improve flow and avoid uneven coloration.
- Stability: These are generally non-toxic and provide consistent, quick color responses.
Specific Examples
- 10°C–15°C: Ideal for winter-themed projects and cold-weather indicators.
- 22°C–28°C: Used for room-temperature indicators and interactive items.
- Chameleon Smartpaint: Used for industrial applications to indicate damage.
For specific, high-quality, cold-sensitive products, consider checking Atlanta Chemical Engineering's thermochromic powder pigments and ISuoChem's range of thermochromic pigments.
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Low temperature color change thermochromic series cold ...
iSuoChem
https://www.ispigment.com › low-temperature-color-ch...
iSuoChem
https://www.ispigment.com › low-temperature-color-ch...
This series will change the color when the temperature is below the pointed value. It can be used for all kinds of drink package.Read more
Fluorescent pigments for low temperature plastics
Hangzhou Epsilon Chemical Co.,Ltd
https://www.epsilonpigments.com › Fluorescent-Pigments
Hangzhou Epsilon Chemical Co.,Ltd
https://www.epsilonpigments.com › Fluorescent-Pigments
AX series fluorescent pigments belong to low temperature plastic fluorescent pigments with processing temperature less than 190°C.
Preparation and thermochromic behavior of low- ...
ScienceDirect.com
https://www.sciencedirect.com › article › abs › pii
ScienceDirect.com
https://www.sciencedirect.com › article › abs › pii
by Y Pu2022Cited by 54 — A series of low-temperature reversible thermochromic leuco dyes were obtained and used to prepare low-temperature reversible thermochromic microcapsule (TCM) ...Read more
Low Temperature Series--Shanghai Eugene Industry Co., Ltd
Shanghai Eugene Industry Co., Ltd
http://www.eugenechem.com › pro_detail
Shanghai Eugene Industry Co., Ltd
http://www.eugenechem.com › pro_detail
YJ low temperature series exhibits many excellent properties: brilliant clean fluoresce, superior tinting strength. It is recommended to be used in extrusion, ...Read more
Pigment Behavior: High vs. Low Heat Processing
Precision Color Compounds, LLC
https://precisioncolorcompounds.com › understanding-...
Precision Color Compounds, LLC
https://precisioncolorcompounds.com › understanding-...
Nov 13, 2025 — The higher the processing temperature, the more likely pigments are to degrade, shift in hue, or lose opacity—unless they're carefully selected ...Read more
Regeneration of Visual Pigments from their Low- ...
Nature
https://www.nature.com › letters
Nature
https://www.nature.com › letters
by CDB BRIDGES1960Cited by 18 — The implication here is that irradiation converted the parent visual pigment to an orange photoproduct, and that this photoproduct was unstable and decayed to ...Read more
Does anyone know about any irreversible thermocromic ...
ResearchGate
https://www.researchgate.net › post › Does-anyone-kno...
ResearchGate
https://www.researchgate.net › post › Does-anyone-kno...
Nov 15, 2016 — I have founded some irreversible thermocromic picments but they change thei color at low temperature (0-150 celsius degrees). I am very ...Read more
Special Effect Pigment / Fragrance
Donna Polymer
https://www.donnapolymer.com › special-effect-pigment
Donna Polymer
https://www.donnapolymer.com › special-effect-pigment
Colour disappears at 55℃ but appears again first at 0 ℃ ! The colour of memory type thermochromic pigments will disappear when temperature reaches 55℃.Read more
What is Injection molding method of thermostatic powder
iSuoChem
https://www.ispigment.com › what-is-injection-molding...
iSuoChem
https://www.ispigment.com › what-is-injection-molding...
Sep 6, 2024 — Thermostatic powder is also called thermochromic pigment, thermochromic powder, or heat sensitive pigment. It has quite wide applications in ...Read more
People also ask
How does temperature affect pigment?
Color change due to temperature, known as thermochromism, is a major color issue faced by many producers. A pigment or dye's reaction to high temperature depends on its chemical properties and material. Too hot of temperature or long exposure to high temperature may completely degrade the color of an object.
Thermochromism: The Effects of Temperature on Pigments and Dyes
Measuring Instruments - Konica Minolta
https://sensing.konicaminolta.us › blog › thermochromis...
Measuring Instruments - Konica Minolta
https://sensing.konicaminolta.us › blog › thermochromis...
At what temperature does thermochromic paint change color?
86 degrees F
🌡️ Transform Surfaces with Temperature-Sensitive Paint
Innovative Thermochromic Technology: Experience the dynamic temperature change paint in color at 86 degrees F, a temperature responsive to body heat, making it perfect for interactive applications.
Innovative Thermochromic Technology: Experience the dynamic temperature change paint in color at 86 degrees F, a temperature responsive to body heat, making it perfect for interactive applications.
Heat Changing Pigments (Thermochromic) - Paint With Pearl
Paint With Pearl
https://www.paintwithpearl.com › temperature-changing-...
Paint With Pearl
https://www.paintwithpearl.com › temperature-changing-...
What is an example of a thermochromic pigment?
Thermochromic pigments change colour at specific temperatures. Examples include colour-changing novelty mugs, colour-changing spoons, battery power indicators and forehead thermometers.
Nanoscience and smart materials - GCSE Chemistry (Single ... - BBC
BBC
https://www.bbc.co.uk › bitesize › guides › revision
BBC
https://www.bbc.co.uk › bitesize › guides › revision
How to make thermochromic pigment at home?
How to Make Thermochromic Ink
- Step 1: Materials List. ...
- In the mixing container, add 1 teaspoon of acrylic medium.
- Add 5 teaspoons of acrylic paint to the medium. ...
- To the mixture, add desired amount thermochomic pigment, mixing in 1 teaspoon at a time.
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How to Make Thermochromic Ink : 7 Steps - Instructables
Instructables
https://www.instructables.com › How-to-Make-Thermoc...
Instructables
https://www.instructables.com › How-to-Make-Thermoc...
Web results
Low-Temperature Argon Plasma Regulates Skin Moisturizing ...
PubMed Central (PMC) (.gov)
https://pmc.ncbi.nlm.nih.gov › articles › PMC7918577
PubMed Central (PMC) (.gov)
https://pmc.ncbi.nlm.nih.gov › articles › PMC7918577
by HY Kim2021Cited by 21 — Thus, LTAP might be developed as a treatment method to improve the skin barrier, moisture content, and wrinkle formation, and to reduce melanin generation.Read more