Effect of pH on the Mechanical Properties of Functionalized Polymers Prepared by Emulsion Polymerization

Mendizabal E.; Hernandez P.J.; Puig J.E.; Canche-Escamilla G.; Katime I.; Castano V.

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Effect of pH on the Mechanical Properties of Functionalized Polymers Prepared by Emulsion Polymerization

机译：pH值对乳液聚合制备功能化聚合物力学性能的影响

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The influence of pH on the incorporation of a functional monomer (itaconic acid or methacrylic acid) on core-shell polymers of styrene-butyl acrylate and on their mechanical properties is investigated.The structured polymersa were prepared by a two-stage emulsion polymerization process.It was found theat the composition of the shell is strongly affected by the pH of the reacting medium.The amount of functional monomer that is incorporated in the shell increases as the pH decreases and becomes a maximum when the pH falls below the pK_@alpha# of the functional monomer.The mechanical properties (ultimate elongation,ultimate strength,and toughness) improve as the amount of incorporated functional monomer increases.

机译：研究了pH对苯乙烯-丙烯酸丁酯核壳聚合物中官能单体（衣康酸或甲基丙烯酸）的掺入及其力学性能的影响。通过两步乳液聚合法制备结构化聚合物。已经发现，壳的组成在很大程度上受反应介质的pH值的影响。随着pH的降低，壳中掺入的功能单体的数量增加，而当pH降至低于pK_α＃时，该数量最大。随着功能性单体掺入量的增加，机械性能（最终伸长率，最终强度和韧性）得到改善。

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来源
《Journal of Applied Polymer Science》 |1999年第14期|共6页
作者
Mendizabal E.; Hernandez P.J.; Puig J.E.; Canche-Escamilla G.; Katime I.; Castano V.;
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正文语种 eng
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关键词
core-shell; functionalization; polymers; emulsion; mechanical properties;

机译：核壳;功能化;聚合物;乳液;力学性能;

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1. Effect of pH on the Mechanical Properties of Functionalized Polymers Prepared by Emulsion Polymerization [J] . Mendizabal E., Hernandez P.J., Puig J.E., Journal of Applied Polymer Science . 1999,第14期

机译：pH值对乳液聚合制备功能化聚合物力学性能的影响
2. Morphology and mechanical properties of ABS blends prepared from emulsion-polymerized PB-g-SAN impact modifier with AIBN as initiator [J] . Zhang N, Bao XX, Tan ZY, Journal of Applied Polymer Science . 2007,第3期

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3. Morphology and mechanical properties of ABS blends prepared from emulsion-polymerized PB-g-SAN impact modifier with AIBN as initiator [J] . Zhang N, Bao XX, Tan ZY, Journal of Applied Polymer Science . 2007,第3期

机译：以AIBN为引发剂的乳液聚合PB-g-SAN抗冲改性剂制备的ABS共混物的形貌和力学性能
4. Adhesion and Physical Properties of Poly(n-butyl acrylate-co-ethyl acrylate) Prepared by Emulsion Polymerization [C] . Eung Soo Kim, Sung Hyun Shin, Eun Ju Lee PMSE Symposia . 2011

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7. Synthesis and Characterization of Novel Functional Electrosterically Stabilized Colloidal Particles Prepared by Emulsion Polymerization Using a Strongly Ionized Amphiphilic Diblock Copolymer [O] . Mohanty, P. S., Dietsch, H., Rubatat, L., 2009

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Effect of pH on the Mechanical Properties of Functionalized Polymers Prepared by Emulsion Polymerization

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