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将不同反应型乳化剂用于苯丙乳液的聚合,讨论了乳化剂体系、乳化剂用量、乳化剂的质量配比对乳液聚合及性能的影响。借助傅里叶红外光谱仪、马尔文粒度仪等仪器对制得的苯丙乳液性能进行表征分析,采用合适乳化剂组合和用量制备出了性能优异的苯丙乳液。最后将自制的苯丙乳液表面施胶剂应用于纸张的表面施胶,结果表明自制的苯丙乳液表面施胶剂具有很好的抗水性,对纸张的强度性能也有一定的提高。
Different reactive emulsifiers were used in the polymerization of styrene-acrylic emulsion. The effects of emulsifier system, emulsifier dosage and mass ratio of emulsifier on the polymerization and properties of emulsion were discussed. The performance of the prepared styrene-acrylic emulsion was characterized by means of Fourier transform infrared spectroscopy and Malvern particle size analyzer, and the styrene-acrylic emulsion with excellent performance was prepared by using the suitable emulsifier combination and dosage. Finally, self-made styrene-acrylic latex surface sizing agent was applied to the surface of the paper sizing, the results show that self-made styrene-acrylic latex surface sizing agent has good water resistance, the strength of the paper has also improved to some extent.