漆酚硼树脂的合成

提取生漆中的主要成份漆酚，并使之与甲醛缩合，制得相对分子质量约为2.3×10^3的漆酚缩甲醛，再用H3BO3对其改性，制备了漆酚硼树脂。探讨了漆酚缩甲醛和漆酚硼树脂的合成机理，以及漆酚与H3BO3摩尔比和反应时间对漆酚硼树脂的干燥时间、硬度、附着力、柔韧性、耐冲击性等的影响。当漆酚缩甲醛与H3BO3的摩尔比为1.0∶0.8，pH值为8~9，升温至120℃左右保温反应3 h，制备的漆酚硼树脂在保留漆酚缩甲醛基本性能的同时，其柔韧性、硬度、附着力等有大幅提高。

耐高温漆酚有机硼树脂的合成与结构表征

本文以漆酚与甲醛的缩合反应,产物漆酚缩甲醛中间体为基本骨架,在其分子结构中引入无机硼元素,生成键能较高的B-O键。所制得的漆酚有机硼合成产物具有比漆酚缩甲醛树脂更高的抗氧化能力、耐热性稳定性及瞬时耐高温性能,漆膜附着力、柔顺性、硬度和耐冲击强度等力学性能也有明显提高。

CHARACTERIZATION AND PROPERTIES OF URUSHIOL POLYMER CONTAINING BORON-NITROGEN COORDINATE BOND

Urushiol polymer containing B-N bond (PUBN) was synthesized with urushiol-boron polymer and diethylene triamine. Its structure was characterized by XPS, IR, UV, HPLC, DTA-TG and elemental analysis. The physico-mechanical and anticorrosive properties of the polymer were also investigated. The results show that the coating of PUBN can be hardened in 2 h at room temperature and its film has excellent physico-mechanical properties and good anticorrosive properties.