Compounds of the formula (I):
R¹-(OCH₂CH₂)n-O-CO-(NH)m-R² (I)
are provided wherein R¹ is an alkyl group of 1 to 14 carbon atoms, a phenyl group, a phenyl group substituted by an alkyl group of 1 to 12 carbon atoms or an alkyl group of 1 to 4 carbon atoms substituted by a phenyl group; R² is an alkyl group of 1 to 14 carbon atoms, a phenyl group, a phenyl group substituted by an alkyl group of 1 to 12 carbon atoms or an alkyl group of 1 to 4 carbon atoms substituted by a phenyl group; n is 6 to 100; and m is 0 or 1. Such compounds and those of the formula
R¹-X-(OCH₂CH₂)n-O-CO-(NH)m-R²
wherein R¹, R², m and n are as defined above and X is a bond or (NH)m-CO-group may be dissolved in an amount of from 1 to 10% by weight in an isocyanate resin to form a water curable composition suitable as low tack orthopaedic splinting material when coated onto a suitable substrate.
式 (I) 的化合物:
R¹-(OCH₂CH₂)n-O-CO-(NH)m-R²(I)
其中 R¹ 是 1 至 14 个碳原子的烷基、苯基、被 1 至 12 个碳原子的烷基取代的苯基或被苯基取代的 1 至 4 个碳原子的烷基;R² 是 1 至 14 个碳原子的烷基、苯基、被 1 至 12 个碳原子的烷基取代的苯基或被苯基取代的 1 至 4 个碳原子的烷基;n 是 6 至 100;m 是 0 或 1。此类化合物和式
R¹-X-(OCH₂CH₂)n-O-CO-(NH)m-R²
其中 R¹、R²、m 和 n 如上文所定义,X 为键或 (NH)m-CO 基团,可以以 1-10%(重量比)的量溶解在
异氰酸酯树脂中,形成
水固化组合物,涂覆在合适的基底上,可用作低粘性矫形夹板材料。