PMID- 34420742 OWN - NLM STAT- MEDLINE DCOM- 20220106 LR - 20220106 IS - 1879-1344 (Electronic) IS - 0144-8617 (Linking) VI - 272 DP - 2021 Nov 15 TI - Graft copolymer of sodium carboxymethyl cellulose and polyether polyol (CMC-g-TMN-450) improves the crosslinking degree of polyurethane for coated fertilizers with enhanced controlled release characteristics. PG - 118483 LID - S0144-8617(21)00870-5 [pii] LID - 10.1016/j.carbpol.2021.118483 [doi] AB - Novel superhydrophobic sodium carboxymethyl cellulose (CMC) modified polyurethane (MPU) was developed as the membrane material for controlled-release fertilizer (CRF) by cross-linking polymerization of 4,4'-diphenylmethane diisocyanate (MDI) and CMC-based modified polyol (CMP) which was made by grafting CMC onto polyether polyol (TMN-450). The modified polyurethane coated fertilizer (MPUCF) was prepared by using MPU as the membrane material through a fluidized bed device. Analysis results of (13)C NMR showed that the coatings of PUCF and MPUCF were prepared by connecting hydroxyl to isocyanate groups to form a carbamate. MPU had lower water absorption rates than PU, and MPUCF coating showed excellent hydrophobicity. Scanning electron microscope (SEM) revealed that MPUCF coating surface was much more smooth and flat than that of PUCF. Furthermore, the nitrogen (N) release longevity of MPUCF can increased to 140 days when the coating rate was 5%. It is concluded that MPU was an excellent superhydrophobic coating material for CRF. CI - Copyright (c) 2021 Elsevier Ltd. All rights reserved. FAU - Wang, Yang AU - Wang Y AD - Department of Basic Courses, Shanxi Agricultural University (Shanxi Academy of Agricultural Sciences), Taigu, Shanxi 030801, China. FAU - Sun, Mingxue AU - Sun M AD - Key Laboratory of Plant Nutrition and Fertilizer, Ministry of Agriculture and Rural Affairs/Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China. FAU - Qiao, Dan AU - Qiao D AD - Key Laboratory of Plant Nutrition and Fertilizer, Ministry of Agriculture and Rural Affairs/Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China. FAU - Li, Juan AU - Li J AD - Key Laboratory of Plant Nutrition and Fertilizer, Ministry of Agriculture and Rural Affairs/Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China. FAU - Wang, Yajing AU - Wang Y AD - Key Laboratory of Plant Nutrition and Fertilizer, Ministry of Agriculture and Rural Affairs/Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China. FAU - Liu, Weiyi AU - Liu W AD - Faculty of Agriculture and Life Sciences, Lincoln University, PO Box 85084, Lincoln 7608, New Zealand. FAU - Bunt, Craig AU - Bunt C AD - Faculty of Agriculture and Life Sciences, Lincoln University, PO Box 85084, Lincoln 7608, New Zealand. FAU - Liu, Hongxia AU - Liu H AD - Department of Basic Courses, Shanxi Agricultural University (Shanxi Academy of Agricultural Sciences), Taigu, Shanxi 030801, China. FAU - Liu, Jinlong AU - Liu J AD - Department of Basic Courses, Shanxi Agricultural University (Shanxi Academy of Agricultural Sciences), Taigu, Shanxi 030801, China. Electronic address: liujinlong@sxau.edu.cn. FAU - Yang, Xiangdong AU - Yang X AD - Key Laboratory of Plant Nutrition and Fertilizer, Ministry of Agriculture and Rural Affairs/Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China. Electronic address: yangxiangdong@caas.cn. LA - eng PT - Journal Article DEP - 20210730 PL - England TA - Carbohydr Polym JT - Carbohydrate polymers JID - 8307156 RN - 0 (Fertilizers) RN - 0 (Isocyanates) RN - 0 (Polymers) RN - 0 (Polyurethanes) RN - 0 (polyol) RN - 059QF0KO0R (Water) RN - B0LO6BBS8C (4,4'-diphenylmethane diisocyanate) RN - K679OBS311 (Carboxymethylcellulose Sodium) SB - IM MH - Carboxymethylcellulose Sodium MH - *Fertilizers MH - Hydrophobic and Hydrophilic Interactions MH - Isocyanates MH - *Polymers MH - Polyurethanes MH - Water/chemistry OTO - NOTNLM OT - Controlled-release fertilizer OT - Modified polyurethane OT - Release characteristics OT - Sodium carboxymethyl cellulose OT - Superhydrophobic coating material EDAT- 2021/08/24 06:00 MHDA- 2022/01/07 06:00 CRDT- 2021/08/23 05:37 PHST- 2021/05/31 00:00 [received] PHST- 2021/07/16 00:00 [revised] PHST- 2021/07/21 00:00 [accepted] PHST- 2021/08/23 05:37 [entrez] PHST- 2021/08/24 06:00 [pubmed] PHST- 2022/01/07 06:00 [medline] AID - S0144-8617(21)00870-5 [pii] AID - 10.1016/j.carbpol.2021.118483 [doi] PST - ppublish SO - Carbohydr Polym. 2021 Nov 15;272:118483. doi: 10.1016/j.carbpol.2021.118483. Epub 2021 Jul 30.