单体比例对丙烯酸酯水性上光油性能的影响  

Effects of Monomer Ratio on the Waterborne Varnish Properties of Acrylate

作　　者：王永涛[1] 乔晓龙[1] 崔冬冬[1] 陈默[1] 

机构地区：[1]曲阜师范大学,日照276800

出　　处：《包装工程》2015年第3期48-53,共6页Packaging Engineering

基　　金：国家级大学生创新创业训练计划(201310446034);山东省优秀中青年科学家科研奖励基金(BS2012CL019);广东省产品包装与物流普通高校重点实验室开放基金(2011008)

摘　　要：目的探究聚合软硬单体比例对水性上光油性能的影响。方法以丙烯酸丁酯(BA)、甲基丙烯酸甲酯(MMA)为软硬单体,过硫酸铵为引发剂,采用半连续自由基乳液聚合方式合成目标上光油,通过改变配方中软硬单体的质量比,分析单体比例对水性上光油的成膜性、吸水率、玻璃化转变温度,以及涂覆后的明度、光滑度、耐磨性和耐水性等性能的影响。结果软硬单体质量比在17∶13到2∶3(接近1∶1)时,由于亲水与疏水基团的共同作用,水性上光油成膜性、明度、光滑度和耐磨性达到最佳。结论实验合成的环保水性上光油具有优良的成膜性和透明度,可以满足印刷品和纸包装材料涂覆时的综合性能要求。To discuss the effects of the polymerizing soft and hard monomer ratio on the waterborne varnish properties of acrylate. Waterborne acrylate varnish was prepared by semi-continuous radical emulsion polymerization using butyl acrylate（BA） and methyl methacrylate（MMA） as the soft and hard monomers, and ammonium persulfate as the initiator. By changing the mass ratio of soft monomer and hard monomer in the formula, the effects of monomer ratio on the properties of waterborne acrylate were analyzed, including film-forming property, water absorption and the glass transition temperature as well as its transparency, smoothness, wear resistance and water resistance after coating. The film-forming property,transparency, smoothness and wear resistance of the waterborne varnish were optimal when the soft and hard monomer ratio was 17∶13~2∶3（close to 1∶1） due to the interactions between hydrophobic and hydrophilic groups. The environment friendly waterborne vanish synthesized by the experiment had excellent film-forming property and transparency, which could meet the comprehensive performance requirements for coating of print and paper packaging materials.

关 键 词：单体比例 丙烯酸酯 水性上光油 

分 类 号：TB484.6[一般工业技术—包装工程] TS802.3[轻工技术与工程]