Multifunctional composite additive for PU

The invention provides a multifunctional composite additive for PU (polyurethane). The multifunctional composite additive comprises 31.70%-32.40% of Al2O3, 4.60%-4.70% of MgO, 58.90%-59.00% of SiO2, 4.25%-4.29% of Fe2O3, 0.10%-0.15% of K2O, 0.10%-0.13% of TiO2 and the balance of water. The preparati...

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG JINLONG, ZHANG ZHENFEI, SONG XIANXING, YANG SHUXIAN, LI XIAOFEI, WU YANHUI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	The invention provides a multifunctional composite additive for PU (polyurethane). The multifunctional composite additive comprises 31.70%-32.40% of Al2O3, 4.60%-4.70% of MgO, 58.90%-59.00% of SiO2, 4.25%-4.29% of Fe2O3, 0.10%-0.15% of K2O, 0.10%-0.13% of TiO2 and the balance of water. The preparation method of the composite additive comprises the following steps: ball-milling and uniformly mixing the raw materials at 20-30 DEG C in an N2 atmosphere. The multifunctional composite additive for PU provided by the invention can play multiple functions of a filler, a flame retardant, a heat stabilizer and the like, is used in polyurethane, has the use amount of 5-17%, can improve the flame retardant property and mechanical property of the polyurethane, and effectively simplifies the production process of the polyurethane. 本发明提供了一种PU用多功能复合助剂，包括Al2O331.70-32.40%、MgO4.60-4.70%、SiO258.90-59.00%、Fe2O34.25-4.29%、K2O0.10-0.15%、TiO20.10-0.13%，余量为水。该该复合助剂的制备方法包括：在20-30℃、N2气氛条件下，将原料进行球磨混合均匀。本发明提供的PU用多功能复合助剂，其可以起到填充剂、阻燃剂、热稳