Sinomer® 4-HBA 是一款高-crosslinking, monofunctional 丙烯酸酯单体. It contains both a double bond及a hydroxyl group within a long acrylic chain, giving it dual functionality. This 单体是 characterized 由 its fast 固化 speed, 低 odor, 低 skin irritation,及卓越的 weatherability. Its homopolymer has a very 低 glass transition temperature (Tg) of -65°C, imparts exceptional flexibility, scratch resistance,及acid rain resistance to cured 涂料及films. It 是 also 水性-soluble, making it 适用于水性体系 UV 体系.