The effects of factors such as chain lengthening agent, surface-treating agent and hardener on polyurethane adhesive properties were studied. 用溶液法合成了一种具有独特结构的单组分PU胶粘剂,考察了扩链剂、表面处理剂、固化剂及PU胶粘剂的分子量等对粘接性能的影响。
In 2009 and in 2010, the city commercial banks cross-regional development is most rapid for two years, there are both effectiveness and problems. For example, management chain lengthening, and increased risk, and market positioning, and high-quality talent competition, and so on. 2009年和2010年是城市商业银行跨区域发展最为迅速的两年,既有成效也随之凸显了一些问题,如:管理链条加长、风险加大、市场定位问题、高素质人才竞争加剧等。