Simultaneous Free-Radical and Addition Miniemulsion Polymerization: Effect of the Chain Transfer Agent on the Microstructure of Polyurethane-Acrylic Pressure-Sensitive Adhesives

被引：27
作者：
Lopez, Aitziber [1 ,2 ]
Reyes, Yuri [1 ,2 ]
Degrandi-Contraires, Elise [3 ]
Canetta, Elisabetta [4 ]
Creton, Costantino [3 ]
Keddie, Joseph L. [4 ]
Asua, Jose M. [1 ,2 ]
机构：
[1] Univ Basque Country UPV EHU, POLYMAT, Donostia San Sebastian 20018, Spain
[2] Univ Basque Country UPV EHU, Dpto Quim Aplicada, Grp Ingn Quim, Donostia San Sebastian 20018, Spain
[3] ESPCI, CNRS, Lab Physicochim Polymeres & Milieux Disperses, F-75231 Paris 05, France
[4] Univ Surrey, Dept Phys, Fac Engn & Phys Sci, Guildford GU2 7XH, Surrey, England
来源：
MACROMOLECULAR MATERIALS AND ENGINEERING | 2013年 / 298卷 / 01期
关键词：
adhesives; crosslinking; miniemulsion polymerization; Monte Carlo simulation; structure-property relations; BISPHENOL-A DERIVATIVES; EMULSION POLYMERIZATION; HYBRID LATEXES; DODECYL MERCAPTAN; METHACRYLATE; KINETICS; REACTIVITY; CONVERSION; SCAVENGERS; PARTICLES;
D O I：
10.1002/mame.201100390
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effects of the CTA concentration on polymerization kinetics, polymer microstructure, particle morphology, and adhesive performance of waterborne hybrid PSAs prepared by simultaneous free-radical and addition miniemulsion polymerizations are studied. The development of the microstructure is shown to differ from waterborne acrylic PSAs obtained by free-radical polymerization because of the contribution of the addition reaction, which in turn causes marked differences in the adhesive performance of the final films. A computer simulation is developed to obtain detailed information about the microstructure of PU/acrylic hybrids and to correlate the microstructure with the final adhesive properties.
引用
收藏
页码：53 / 66
页数：14
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