Synthesis of butyl acrylate-styrene-TMI latexes and their application as water-based coatings

被引：12

作者：

Elizalde, Luis E. ^{[1
]}

Mendoza, Juan J. ^{[1
]}

Ledezma-Rodriguez, Raquel ^{[1
]}

Trevino, Maria E. ^{[1
]}

Mondragon, Margarita ^{[2
]}

机构：

[1] Ctr Invest Quim Aplicada, Blvd Enrique Reyna Hermosillo 140, Saltillo 25294, Coahuila, Mexico

[2] Inst Politecn Nacl CIIDIR Unidad Oaxaca, Calle Hornos 1003, Oaxaca 71230, Oaxaca, Mexico

来源：

JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH | 2020年 / 17卷 / 04期

关键词：

Styrene-acrylic latex; Water-based coatings; Low VOC; META-ISOPROPENYLBENZYL ISOCYANATE; CROSS-LINKABLE LATEXES; EMULSION POLYMERIZATION; FILM FORMATION; TERPOLYMERIZATION; STABILITY; POLYMERS; LINKING;

D O I：

10.1007/s11998-020-00325-4

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Self-crosslinking styrene-acrylic latexes functionalized with 3-isopropenyl-alpha,alpha-dimethyl benzyl isocyanate (TMI) by semibatch emulsion polymerization were prepared. Polymerizations were performed in emulsions with aerosol EF-800 surfactant; remarkable colloidal stability of the copolymer latexes was measured in fresh and aged samples. The effects on film formation, tensile properties, permeability to water vapor, and oxygen were evaluated by varying the TMI concentrations (from 0 to 6 wt%). The obtained latexes were used as binder to prepare water-based coatings, which were applied on steel specimens; hydrolysis of TMI acts as a self-crosslinked promoter once the film was applied. Adhesion tests, scratch hardness, and gloss properties were evaluated. Graphic abstract Water vapor permeability of latex films. [GRAPHICS] .

引用

页码：911 / 919

页数：9

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