はじめに
光 / UV stabilizers は、プラスチックやその他のポリマー系材料を太陽光や人工紫外線から保護するために使用される添加剤パッケージであり、主に光酸化を遅らせ、外観を維持し、耐用年数を延ばすものです。プラスチックでは、特に屋外や高光線下の用途で重要です。UV曝露により変色、脆化、引張強度の低下、表面割れが発生する可能性があるためです。
この用語は、いくつかの密接に関連する添加剤ファミリーをカバーし、特に UV吸収剤 と ヒンダードアミン光 stabilizers (HALS) が代表的です。UV吸収剤は主にUV放射を捕捉し、エネルギーを熱として放散する機能を持ちます。一方、HALS は同じ方法でUVを吸収するのではなく、光劣化を促進するラジカル連鎖反応を遮断します。実際には、市販の配合物では stabilizers を antioxidants、pigments または他の補助剤と組み合わせ、広範な保護システムを構築することが一般的です。
これらの重要性は、自動車、建設、農業、包装、coatings、繊維、電気用途における屋外ポリマーの拡大とともに高まっています。同時に、この分野は添加剤の移行懸念、リサイクル性要件、交換頻度とライフサイクル排出量を削減する長寿命材料の設計ニーズなどの持続可能性の圧力により変革されています。
歴史と開発
初期のポリマーにおける光安定化は、pigments や金属含有クエンチャーを含む比較的単純なUV遮蔽アプローチに依存していましたが、これらのシステムは色、耐久性、適合性に欠点がありました。HALS の開発は、単純なUV吸収ではなくラジカル捕捉による長期安定化を提供したため、大きな進歩となりました。
その後、技術は特殊化されたUV吸収剤、ポリマー性 HALS、透明システム向け低揮発性グレード、自動車 coatings、農業用フィルム、エンジニアリングプラスチックなどの要求の厳しい分野向け多機能パッケージへと多様化しました。最近では、サプライヤーはクリア包装、太陽関連材料、UV保護と光学透明性の両方を必要とする用途向けに最適化された配合を強調しています。
参考文献
- •
UV/Light Stabilizers for Adhesives. (2025, July 2). SpecialChem. https://www.specialchem.com/adhesives/guide/uv-light-stabilizers-state-of-the-artLink
- •
How do UV stabilizers work? (n.d.). Welltchem. https://www.welltchem.com/how-do-uv-stabilizers-work/Link
- •
Types of UV Stabilizers for Polymers & Their Uses. (2026, July 26). Kandui Industries. https://www.kandui.in/blog/types-of-uv-stabilizers-for-polymers-their-applicationsLink
- •
UV Stabilizers and Light Stabilizers: A Practical HALS Guide. (2026, April 22). Safic-Alcan. https://www.safic-alcan.com/en-us/industry-articles/uv-stabilizer-light-stabilizer/Link
- •
Ultimate Guide to UV Stabilizers. (2025, June 10). Number Analytics. https://www.numberanalytics.com/blog/ultimate-guide-to-uv-stabilizersLink
- •
Exciting Applications of UV Absorbers and Stabilizers. (2025, March 26). Tilley Distribution. https://www.tilleydistribution.com/insights/uv-stabilizer-and-absorber-additives-add-real-value-to-coatings/Link
- •
Light Stabilizers. (2022, June 9). BASF. https://plastics-rubber.basf.com/global/en/plastic_additives/products/light-stabilizersLink
- •
Unlocking UV Stability in Polymers. (2025, June 18). Number Analytics. https://www.numberanalytics.com/blog/ultimate-guide-to-uv-stabilizers-polymer-physicsLink
- •
Light stabilizers: How to select the right grade for plastics? (2025, June 30). SpecialChem. https://www.specialchem.com/polymer-additives/guide/light-uv-stabilizers-selection-for-polymersLink
- •
Light Stabilizers and UV Absorbers. (n.d.). Tintoll. https://www.uvabsorber.com/uploads/file/light-stabilizers-and-uv-absorbers.pdfLink
- •
Light stabilizer. (2018). Scienoc. https://www.scienoc.com/uv_absorbers.htmlLink
- •
UV-Chek Light Stabilizers. (2021, November 11). Valtris. https://www.valtris.com/product/other/uv-chek-light-stabilizers/Link
- •
Ultraviolet Stabilizing Agent - an overview. (n.d.). ScienceDirect. https://www.sciencedirect.com/topics/chemistry/ultraviolet-stabilizing-agentLink
- •
Light Stabilizers. (2022, September 23). BASF. https://plastics-rubber.basf.com/asiapacific/en/plastic_additives/products/light-stabilizersLink
- •
Markets: Polymer Additives & UV Light Stabilizers. (n.d.). Syensqo. https://www.syensqo.com/en/chemical-categories/polymer-additives-uv-light-stabilizers-antioxidants-and-antistatic-agents/marketsLink
- •
Light Stabilizer. (n.d.). Dynasty-Chem. https://www.dynasty-chem.com/products/3434.htmlLink
- •
UV Stabilizers - Knowledge. (2023, June 3). Disheng Chemchina. https://www.dishengchemchina.com/info/uv-stabilizers-82934218.htmlLink
- •
UV Stabilizer Additive for Polymer and Plastic Manufacturing. (2025, October 9). Wellt Chemicals. https://welltchemicals.com/blog/why-are-stabilizers-added-to-plastics/Link
- •
UV Stabilizer 101: Everything You Need to Know. (2024, November 27). EyouAgro. https://eyouagro.com/blog/uv-stabilizer-101/Link
- •
紫外線吸收劑 & 光安定劑. (2018). Eutec Chemical. https://www.eutec.com.tw/en/article/detail/51Link
- •
UV Light Stabilizers. (2025, September 4). BASF. https://care360.basf.com/emea/en/industries/personal-care/concepts-trends/concepts/basf-stabilizer-portfolio/uv-light-stabilizersLink
- •
The Science Behind UV Stabilizers. (2025, June 18). Number Analytics. https://www.numberanalytics.com/blog/science-behind-uv-stabilizers-polymersLink
- •
Ultraviolet Stabilization of Polymers: Development with Hindered-Amine Light Stabilizers. (2025, March 31). ACS Publications. https://pubs.acs.org/doi/10.1021/ba-1978-0169.ch010Link
- •
What are UV Stabilisers for polymers? (2023, February 8). Welltchem. https://www.welltchem.com/what-are-uv-stabilisers-for-polymers/Link
- •
UV Light Stabilizers. (2025, September 4). BASF. https://care360.basf.com/asiapacific/en/industries/personal-care/concepts-trends/concepts/basf-stabilizer-portfolio/uv-light-stabilizersLink
- •
Essential light stabilizers and additives for enhanced material durability. (2024, September 18). FSCI Chem. https://www.fscichem.com/essential-light-stabilizers-and-additives-for-enhanced-material-durabilityLink
- •
UV Stabilizer Additives Industry Insights and Forecasts. (2026, May 8). Market Report Analytics. https://www.marketreportanalytics.com/reports/uv-stabilizer-additives-176180Link
- •
What is the difference between UV absorbers and light stabilisers? (2026, May 6). Partinchem. https://partinchem.com/blog/difference-uv-absorbers-light-stabilisers/Link
- •
Ultraviolet Light Stabilizers & UV Masterbatches. (2012, August 14). Ampacet. https://www.ampacet.com/faqs/ultraviolet-light-stabilizers/Link
- •
標題標題標題標題標題. (n.d.). PCImag. https://www.pcimag.com/ext/resources/Events/CTT/2019ppt/PatelArun_Everlight.pdfLink
- •
UV Stabilizers as Plastic Additives in Manufacturing. (2025, September 30). Wellt Chemicals. https://welltchemicals.com/blog/uv-stabilizers-as-plastic-additives-in-manufacturing/Link
- •
Light Stabilizers. (2023, April 3). BASF. https://www.basf.com/eg/en/products/segments/industrial_solutions/dispersions_and_pigments/performance_and_formulation_additives/products/light-stabilizers-landing-pageLink
- •
UV & Light Blocking Additives. (n.d.). Avient. https://www.avient.com/products/polymer-additives/uv-and-light-blocking-additivesLink
- •
Light Stabilizers / UV Absorbers. (2025, June 26). SpecialChem. https://www.specialchem.com/polymer-additives/pf-light-stabilizers-uv-absorbersLink
- •
UV Absorber & Light Stabilizer for Plastic & Polymer. (2026, June 30). Wellt Chemicals. https://welltchemicals.com/blog/uv-absorbers-for-plastics/Link
- •
What is UV Stabilized Plastic and Why It Matters for OEMs. (2025, November 24). Lincoln Plastics. https://www.lincoln-plastics.com/news-post/what-is-uv-stabilized-plastic-and-why-it-matters-for-oe-msLink
- •
What Is UV Stabilized Plastic and Why Is It Useful? (2025, September 22). Phoenix Plastics. https://phoenixplastics.com/what-is-uv-stabilized-plastic-why-is-it-useful/Link
- •
What is a UV Inhibitor and How Does It Work? (2026, April 2). Uni-Powder. https://www.uni-powder.com/blog/uv-inhibitor-and-how-it-works/Link