采用磷系阻燃剂制备内燃机用阻燃型空气滤纸,并用三聚氰胺甲醛树脂替代部分苯丙乳液进行增强,研究其对阻燃剂用量的影响.结果表明,15％的三聚氰胺甲醛树脂和85％的苯丙乳液进行复配后,阻燃剂的留着率在14％时即可获得优异的阻燃性能,可节约22％的阻燃剂用量,且不会降低滤纸的力学性能.%The fire-retardant air filter paper for internal-combustion engine was prepared by using phosphorus flame retardant, part of styrene-acrylic emulsion was replaced by melamine formaldehyde resin, and the role played by melamine formaldehyde resin was studied in this paper. The results showed that; when the emulsion was replaced by 15% melamine formaldehyde resin, the flame retardant properties was excellent when the retention rate of the flame retardant was 14% , 22% flame retardant was saved, while the mechanical properties of the filter paper would not reduced.
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