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INK-BACKFLOW PREVENTIVE MATERIAL COMPOSITION FOR WRITING IMPLEMENT AND WRITING IMPLEMENT INCLUDING THE COMPOSITION
INK-BACKFLOW PREVENTIVE MATERIAL COMPOSITION FOR WRITING IMPLEMENT AND WRITING IMPLEMENT INCLUDING THE COMPOSITION
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机译:用于书写实施方式和包括书写方式的书写实施方式的防墨水回流材料组合物
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摘要
PROBLEM TO BE SOLVED: To provide an ink-backflow preventive material which controls the separation of liquid, is excellent in ink-backflow preventive performance, impact resistance, and ink flexibility and chemically stable, does not cause a remarkable decrease in ink viscosity even when shear force is applied, and keeps viscosity constant when packed in a writing implement or preserved in bulk and the writing implement filled with the material.;SOLUTION: In the writing implement in which ink is packed directly in an ink housing cylinder, an ink-backflow preventive material composition in which a hardly-volatile organic liquid (B) gelatinized or solidified by a gelatinizing agent is dispersed in a hardly-volatile organic liquid (A) or the organic liquid (A) with its viscosity increased by a thickner is used.;COPYRIGHT: (C)2003,JPO
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