CN103510423B - 一种环压强度高的纸张用改性碳酸钙及其制备方法 - Google Patents
一种环压强度高的纸张用改性碳酸钙及其制备方法 Download PDFInfo
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- CN103510423B CN103510423B CN201310275645.1A CN201310275645A CN103510423B CN 103510423 B CN103510423 B CN 103510423B CN 201310275645 A CN201310275645 A CN 201310275645A CN 103510423 B CN103510423 B CN 103510423B
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CN103510423B true CN103510423B (zh) | 2016-01-27 |
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CN104910648A (zh) * | 2015-05-28 | 2015-09-16 | 青阳县恒源化工原料有限责任公司 | 一种具有较好的疏水性的活性碳酸钙 |
CN104910547A (zh) * | 2015-05-28 | 2015-09-16 | 青阳县恒源化工原料有限责任公司 | 一种玻璃纤维复配高强度活性碳酸钙 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5832020A (ja) * | 1981-08-20 | 1983-02-24 | Central Glass Co Ltd | 炭酸カルシウムの改質装置 |
EP0515757A1 (en) * | 1991-05-27 | 1992-12-02 | Kowa Chemical Industries Co., Ltd. | Porous particles of calcium carbonate and method for the preparation thereof |
JPH0543815A (ja) * | 1991-08-09 | 1993-02-23 | Maruo Calcium Co Ltd | 表面処理炭酸カルシウム及びその製造方法 |
JPH0657167A (ja) * | 1992-08-10 | 1994-03-01 | Nittetsu Mining Co Ltd | 重質炭酸カルシウムの表面処理方法 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5832020A (ja) * | 1981-08-20 | 1983-02-24 | Central Glass Co Ltd | 炭酸カルシウムの改質装置 |
EP0515757A1 (en) * | 1991-05-27 | 1992-12-02 | Kowa Chemical Industries Co., Ltd. | Porous particles of calcium carbonate and method for the preparation thereof |
JPH0543815A (ja) * | 1991-08-09 | 1993-02-23 | Maruo Calcium Co Ltd | 表面処理炭酸カルシウム及びその製造方法 |
JPH0657167A (ja) * | 1992-08-10 | 1994-03-01 | Nittetsu Mining Co Ltd | 重質炭酸カルシウムの表面処理方法 |
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Effective date of registration: 20190314 Address after: Room 104-3, 31 Block 2111, Beiyan Highway, Chongming District, Shanghai 202150 (Chongming Forest Tourism Park) Patentee after: Shanghai Wangqi Investment Management Co., Ltd. Address before: 242800 Donghe Industrial Park, Qingyang Economic Development Zone, Chizhou City, Anhui Province Patentee before: Jiuding Environmental Protection Paper Co.,Ltd. |
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Effective date of registration: 20191218 Address after: Room a6755, No.180, Changjiang South Road, Baoshan District, Shanghai 201900 Patentee after: Shanghai rengu Industry Co., Ltd Address before: Room 104-3, 31 Block 2111, Beiyan Highway, Chongming District, Shanghai 202150 (Chongming Forest Tourism Park) Patentee before: Shanghai Wangqi Investment Management Co., Ltd. |
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