专利汇可以提供Adhesive for unsewn binding专利检索,专利查询,专利分析的服务。并且PURPOSE: To provide the titled adhesive which is a hot melt type and excellent in initial adhesion, cold resistance, adhesiveness and solubility in alkaline soln. for the recovery of waste paper, by incorporating a polasticizer and raw starch in a vinyl acetate polymer emulsion.
CONSTITUTION: An adhesive for unsewn binding is obtd. by incorporating 3W 20pts.wt. plasticizer such as dibutyl phthalate, 10W60pts.wt. raw starch, 0.1W 2pts.wt. dispersant such as sodium tripolyphosphate and 0.2W0.5pts.wt. antiseptic agent such as formalin in 100pts.wt. vinyl acetate polymer emulsion. When the vinyl acetate polymer emulsion alone is used as the adhesive for unsewn binding, the adhesive has disadvantages in that, since the polymer is thermoplastic, initial dryness is poor so that initial adhesion is poor and the cold resistance of film is low. By incorporating the plasticizer and raw starch, an adhesive can be obtd. which is hot melt type and excellent in initial adhesion, cold resistance, adhesiveness and solubility in alkaline soln. for the recovery of waste paper.
COPYRIGHT: (C)1985,JPO&Japio,下面是Adhesive for unsewn binding专利的具体信息内容。
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