１保水剂概述在农林业上应用的高吸水性树脂俗称保水剂 ,它是一种新型功能高分子吸水材料 ,能吸收并保持其自身重量百倍甚至上千倍的水分。７０年代中期首先在美国研制成功 ,并在美国西部干旱地区推广。日本、法国、英国、加拿大、俄罗斯和中东的一些国家都有试验和应用。我国 1 water retaining agent Overview In agriculture and forestry, commonly used super absorbent polymer called water retaining agent, it is a new type of functional polymer absorbent material that can absorb and maintain its own weight of a hundred times or even thousands of times the water. The first successful development in the United States in the mid-1970s, and in the western United States to promote arid areas. Some countries in Japan, France, the United Kingdom, Canada, Russia and the Middle East have experimentation and application. My country