CN104761865B - 一种以尿素‑甲醛为原料一步法制备脲醛树脂泡沫的方法 - Google Patents
一种以尿素‑甲醛为原料一步法制备脲醛树脂泡沫的方法 Download PDFInfo
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脲醛泡沫类型 | 开孔率/% | 游离醛含量/% | |
实例1 | 18 | 91 | 0.07 |
实例2 | 25 | 83 | 0.04 |
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CN105248268A (zh) * | 2015-11-19 | 2016-01-20 | 山东商道生物科技有限公司 | 具有土壤调理功能的水稻育秧基质 |
CN109648678B (zh) * | 2018-12-26 | 2022-03-22 | 东北林业大学 | 木纤维-椰纤维复合吸声材料及其制备方法 |
CN109633008A (zh) * | 2018-12-28 | 2019-04-16 | 沈阳中科新型肥料有限公司 | 一种检测脲甲醛肥料中一亚甲基二脲和二亚甲基三脲的方法 |
WO2021000011A1 (en) * | 2019-07-01 | 2021-01-07 | Newsouth Innovations Pty Limited | Multifunctional liquid-absorbing product and the manufacture and use thereof |
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CN101134803B (zh) * | 2007-08-23 | 2010-12-08 | 北京市农林科学院 | 一种脲醛泡沫植物栽培基质及其制备方法 |
CN102726276B (zh) * | 2012-06-07 | 2013-08-07 | 重庆天开园林景观工程有限公司 | 一种脲醛泡沫塑料栽培基质及其制备方法 |
CN103483613A (zh) * | 2013-09-26 | 2014-01-01 | 临沂市泰尔化工科技有限公司 | 一种可降解脲醛泡沫植物培养基质的制备方法 |
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