Overview
UV curing defoamer is a high-performance additive designed for radiation-curable systems. Unlike conventional defoamers, it maintains stability under UV/EB curing conditions without interfering with crosslinking reactions. These defoamers are formulated with modified polysiloxanes or acrylate-functionalized compounds that migrate to bubble surfaces during application, collapsing foam structures before curing. They are essential for defect-free finishes in high-speed industrial coating processes.
Physical and Chemical Properties
Typical UV defoamers exhibit low viscosity (50-500 cP) and specific gravity close to carrier resins for easy incorporation. Their surface tension (18-25 mN/m) is significantly lower than UV resins (30-40 mN/m), enabling effective bubble rupture. Chemically, they resist premature polymerization when exposed to UV light through carefully selected inhibitor packages. Most formulations are solvent-free and comply with VOC regulations, making them suitable for environmentally sensitive applications.
Main Applications
Primary use is in UV-curable wood coatings (parquet, furniture) where bubble-free surfaces are critical for aesthetic quality. They're equally vital in optical fiber coatings, where micro-bubbles would scatter light signals. In graphic arts, these defoamers prevent pinholes in UV flexo/offset inks during high-speed printing. Emerging applications include 3D printing resins, where they improve layer adhesion by eliminating trapped gas bubbles between cured layers.
Safety and Storage
While generally non-hazardous, some formulations may contain sensitizing acrylates. Always consult SDS and use nitrile gloves during handling. Store in original containers at 5-30°C, separating from isocyanates and peroxides. Shelf life typically exceeds 12 months when stored properly. Crystallization may occur below 5°C - warm to room temperature and mix thoroughly before use. Never mix with strong oxidizers due to potential exothermic reactions.
B2B Procurement Guide
When sourcing UV defoamers, verify the supplier's technical datasheet includes: 1) HPLC compatibility test results with your resin system 2) Yellowing index after accelerated aging 3) Foam collapse time measurements. For large-volume procurement (>1 ton), request batch consistency certificates and on-site technical support. Sample testing under actual production conditions is strongly recommended, as lab-scale results may not reflect high-speed application performance.
Related Manufacturers
- 主营：润湿剂、除油剂、流平剂、消泡剂、石油钻井、表面活性剂、润湿渗透剂
- 主营：消泡剂、水处理消泡剂、印染消泡剂
- 主营：[]
- 主营：PVDF、PTFE、PFA、消泡剂、SURLYN沙林、EVA、PA6、PA66、PC、PCTG、PEBA、ASA、PTB、PPO、LCP、PCTA、PETG、POM、EAA、特种工程塑料、热塑性弹性体、合金塑料、通用塑料
- 主营：润湿剂、防粘剂、铝合金、消泡剂、硅酯基、手感剂、疏水剂、脂粘合、环氧丙、密封胶、添加剂、润滑剂、爽滑剂、水油两、粘合剂、胶粘剂、脱泡剂、聚氨酯、降低表、促进剂、流平剂、偶联剂、腻子胶、木器漆、家具涂料
- 主营：水性色浆分散剂、涂料分散剂、油墨分散剂、消泡剂、颜料分散剂、炭黑分散剂、墨水分散剂、粉体分散剂、润湿分散剂、油漆分散剂、喷墨墨水分散剂、无机颜料分散剂、色浆分散剂、水性分散剂、润湿剂
- 主营：手感剂、流平剂、成核剂、消泡剂、紫外线吸收剂、湿润分散剂、表面活性剂、光稳定剂、偶联剂、固化剂、附着力促进剂、抗静电剂、扩链剂、光扩散剂、增韧剂、光引发剂、催干剂、涂料助剂、塑料助剂
- 主营：消泡剂、分散剂、基材润湿剂、流平剂
- 主营：毕克BYK、海名斯德谦、埃夫卡EFKA、2721消泡剂、迪高Tego、路博润、共荣社、帝斯巴隆、科莱恩、尚高Sago、沃克尔VOK、Borchers、陶氏、明凌
- 主营：毕克BYK、海名斯德谦、埃夫卡EFKA、D982V消泡剂、迪高Tego、路博润、共荣社、科莱恩、帝斯巴隆、尚高Sago、沃克尔VOK、巴斯夫科宁、信越、高泰、阿克苏诺贝尔、诺力昂、亚什兰、埃斯特伦、美国气体化学、迈图、Borchers、道康宁、陶熙、陶氏、罗门哈斯
- 主营：毕克BYK、海名斯德谦、埃夫卡EFKA、1860消泡剂、迪高Tego、路博润、共荣社、帝斯巴隆、科莱恩、尚高Sago、沃克尔VOK、巴斯夫科宁、信越、高泰、阿克苏诺贝尔、诺力昂、亚什兰、埃斯特伦、美国气体化学、迈图、Borchers、道康宁、陶熙、陶氏、罗门哈斯、明凌
- 主营：消泡剂、处理剂、喷涂树脂、制纸氯化聚丙烯
- 主营：卡拉胶、乳胶漆、聚乙烯、消泡剂、固化剂、分散剂、苯丙乳液、多环颜料、酸催化剂、颜料助剂、水性涂料、涂料助剂、乳品饮料、聚醛树脂、酞青颜料、水性木漆、烤漆助剂、果冻酱料、无机颜料、防腐涂料、高性能颜料、有机膨润土、糖果巧克力、涂料添加剂、水性润湿剂
- 主营：byk-c8013、byk-p9051、耐溶剂、紫外线、消泡剂、byk-p4102、抛光剂、byk-3900p、降粘剂、蜡助剂、byk2600vf、增进剂、乳胶漆、无溶剂、耐划伤、laponitee、byk-p9060、活性剂、胶凝剂、脱泡剂、聚氨酯、表面滑、流变剂、光乳液、遮盖力
- 主营：hdpeppeva、ptmeg2000、黑母粒、消泡剂、pepppspvc、ep-hs2272、色材红、400-10-e1、乙烯pvc、树脂cpp、润滑剂、洁管剂、英国禾、zemac-l65、zemace400、急结剂、ep-hp2033、ep-hp2333、聚氨酯、pcl220np1、抗氧剂、硬质pvc、ptmeg1800、monarch880、deurexf61a、kss-frf535
- 主营：氧化铁颜料、助剂、流平剂、消泡剂、润湿剂、附着力促进剂、纺涂鸦助剂、氧化铁黄、氧化铁红、氧化铁黑、氧化铁绿、钛白粉、炭黑、碳黑、色浆、有机颜料、群青、乳液、多功能助剂
- 主营：阻燃剂、催化剂、耐磨pfa、消泡剂、圆微球、消光剂、清洗剂、聚酰胺、浸塑粉、耐磨剂、共聚物、手感剂、成核剂、三聚体、密封胶、洁管剂、扩链剂、偶联剂、密封件、增韧剂、抗氧剂、钛白粉、防沉剂、蜡助剂、池薄膜