Low-formaldehyde amino UV resin and preparation method thereof

The invention provides low-formaldehyde amino UV resin and a preparation method thereof. The low-formaldehyde amino UV resin provided by the invention is prepared from the following raw materials in parts by mass: 10 to 15 parts of highly methylated amino resin, 17.8 to 34.8 parts of a hydroxyl acrylic monomer, 0.04 to 0.30 part of a catalyst, 0.015 to 0.06 part of a formaldehyde treating agent, 0.22 to 0.43 part of an acid-base regulator and 0.07 to 0.20 part of a polymerization inhibitor. The low-formaldehyde amino UV resin provided by the invention can effectively reduce the content of formaldehyde, reduce odor, accelerate curing and ensure that a coating has high hardness after being cured. 本发明提供了一种低甲醛氨基UV树脂及其制备方法。本发明提供的低甲醛氨基UV树脂，由包括以下质量份组分的原料制得：10～15份高甲醚化氨基树脂，17.8～34.8份羟基丙烯酸单体，0.04～0.30份催化剂，0.015～0.06份甲醛处理剂，0.22～0.43份酸碱调节剂，0.07～0.20份阻聚剂。本发明提供的低甲醛氨基UV树脂能够有效降低甲醛含量、减小气味，同时能够加快固化且保证涂料固化后具有高硬度。