Effect of controlled length acrylic acid-based electrosteric stabilizers on latex film properties

被引：20
作者：
Gonzalez, Edurne [1 ]
Paulis, Maria [1 ]
Jesus Barandiaran, Maria [1 ]
机构：
[1] Univ Basque Country UPV EHU, POLYMAT, Donostia San Sebastian 20018, Spain
来源：
EUROPEAN POLYMER JOURNAL | 2014年 / 59卷
关键词：
Emulsion polymerization; Electrosteric surfactant; Controlled radical polymerization; Water uptake; Tensile strength; Film properties; FRAGMENTATION CHAIN TRANSFER; CONTROLLED RADICAL POLYMERIZATION; MEDIATED EMULSION POLYMERIZATION; AMPHIPHILIC BLOCK-COPOLYMERS; POLY(ACRYLIC ACID); BUTYL ACRYLATE; METHYL-METHACRYLATE; RAFT POLYMERIZATION; PARTICLE FORMATION; INTERDIFFUSION;
D O I：
10.1016/j.eurpolymj.2014.07.023
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Polymer latexes stabilized with different acrylic acid (AA) chain lengths (controlled by Reversible Addition-Fragmentation Chain Transfer) were synthesized following different routes: Starting from poly(acrylic acid) (PAA) chains as surfactant precursors or starting from poly(acrylic acid)-block-poly(butyl acrylate) (PAA-b-PBA) copolymers as surfactants. In this last case, both the activated and deactivated copolymers were used. The final water resistance and mechanical properties of the films obtained from the different latexes was studied. The effect of the PAA chain length on the water resistance depended on the way the PAA was added to the latex, as homopolymer or as block copolymer. The effect on the coalescence of the particles was not significant, but the PM length affected the final mechanical properties of the films, lowering them for longer PM lengths. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：122 / 128
页数：7
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