4) the food industry uses the water absorbent, the fruit and the vegetable fresh-keeping agent.
工艺流程
Technological process
Process flow
Process flow
目前商业生产的制程以共聚物化学法为主
At present, the process of commercial production is dominated by copolymer chemical method
流程：丙烯酸和氢氧化钠混合，在碱性环境下进行利用自由基引发剂聚合来生成聚丙烯酸钠（SAP）。
Process: acrylic acid and sodium hydroxide are mixed to produce sodium polyacrylate (SAP) by polymerization of free radical initiator in alkaline environment.
注：淄博聚隆高分子吸水树脂化工有限公司仅生产销售工业级高吸水性树脂（SAP），不涉及食品级、医药级产品。
