UV pouring sealant used as lamp bead protection sealant and preparation method thereof

The invention relates to the field of lamp bead protection glue, in particular to UV pouring sealant used as lamp bead protection glue and a preparation method of the UV pouring sealant. A UV pouring sealant used as a lamp bead protection sealant comprises a component A and a component B, and the component A and the component B are mixed according to the mass ratio of 1: 1. The component A comprises the following preparation raw materials: beet pulp polyol, polyoxypropylene glycol, diethylene glycol, an ultraviolet light absorber, a catalyst, a silane coupling agent, a plasticizer, a light stabilizer, lecithin and alkyl dimethyl sulfoethyl betaine; and the component B is isocyanate, and the isocyanate is one or a mixture of more of isophorone diisocyanate, diphenylmethane diisocyanate and hexamethylene diisocyanate. The flexible plastic lamp strip has the advantage that the bonding condition between the UV pouring sealant and the flexible plastic lamp strip is improved. 本申请涉及灯珠保护胶领域，更具体地说，它涉及一种作为灯珠保护胶使用的UV灌封胶