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    • 4. 发明申请
    • Chromium-Free Insulation Coating Material for Non-Oriented Silicon Steel
    • 用于非定向硅钢的无铬绝缘涂层材料
    • US20130203896A1
    • 2013-08-08
    • US13818258
    • 2011-04-13
    • Yunpeng XuYongjie YangDengfeng LiYaming JiZipeng ZhaoLingyun ChenXiao ChenJie Huang
    • Yunpeng XuYongjie YangDengfeng LiYaming JiZipeng ZhaoLingyun ChenXiao ChenJie Huang
    • C09D5/00
    • C09D5/00C09D5/084C09D7/61C09D163/00H01B3/40
    • The present invention refers to a chromium-free insulation coating material for non-oriented silicon steel, comprising, in parts by weight, the following components: metal dihydrogen phosphate salt of 100 parts, epoxy resin of 10˜60 parts, naphthenate drier or isooctanoate metal salt drier of 0.001˜10 parts, organic solvent of 0.001˜100 parts and pure water of 60˜2000 parts. The metal dihydrogen phosphate salt is Al(H2PO4)3, Mg(H2PO4)2, Ca(H2PO4)2 or Zn(H2PO4)2; the epoxy resin is water-soluble epoxy resin or epoxy resin emulsion. Chromium-free insulation coating material of the present invention, after being coated on non-oriented silicon steel, renders highly transparent appearance, and has excellent insulativity, corrosion resistance, adhesiveness, weldability and manufacturability, so as to eliminate defects of the existing chromium-free coating, such as sticky and un-wear-resistant and to meet environment protection requirements.
    • 本发明涉及一种用于非取向硅钢的无铬绝缘涂层材料,其包含以重量份计的以下组分:100份的金属二氢磷酸盐,10〜60份的环氧树脂,环烷酸盐干燥剂或异辛酸酯 金属盐干燥剂为0.001〜10份,有机溶剂为0.001〜100份,纯水为60〜2000份。 磷酸金属盐为Al(H 2 PO 4)3,Mg(H 2 PO 4)2,Ca(H 2 PO 4)2或Zn(H 2 PO 4)2; 环氧树脂是水溶性环氧树脂或环氧树脂乳液。 本发明的无铬绝缘涂层材料涂覆在非取向硅钢上后,外观高透明,绝缘性,耐腐蚀性,粘合性,焊接性和可制造性优异,从而消除了现有的铬 - 自由涂层,如粘性和不耐磨损,符合环保要求。