Study of the photodegradation of polypropylene: Effect of the silane coupling agents as organosilicon coatings in TiO2 fillers, evaluation of the thermomechanical properties

被引：5

作者：

Palafox-Gonzaleza, Paulina ^{[1
]}

Rosas-Orta, Luis Roman ^{[2
]}

Contreras-Lopez, David ^{[3
]}

Rocha-Jimenez, Jose ^{[4
]}

Gonzalez-Zarate, Daniela ^{[5
]}

Pawar, Tushar ^{[6
]}

Delgado-Alvarado, Enrique ^{[5
]}

Alegria-Torres, Jorge ^{[1
]}

Vallejo-Montesinos, Javier ^{[2
]}

机构：

[1] Univ Guanajuato, Dept Farm, Noria Alta S-N, Guanajuato 36050, Gto, Mexico

[2] Univ Guanajuato, Dept Quim, Noria Alta S-N, Guanajuato 36050, Gto, Mexico

[3] Univ Guanajuato, Dept Ingn Quim, Noria Alta S-N, Guanajuato 36050, Gto, Mexico

[4] Nagaoka Univ Technol, Overseas Off GIGAKU Techno Pk Network, Noria Alta S-N, Guanajuato 36050, Gto, Mexico

[5] Univ Veracruzana, Ctr Invest Micro & Nanotecnol, Boca Del Rio 94294, Veracruz, Mexico

[6] Inst Ecol AC, Red Estudios Mol Avanzados, Cluster Cientif & Tecnol Biomim, Campus 3,Carretera Antigua Coatepec 351, Xalapa 91073, Veracruz, Mexico

来源：

POLYMER DEGRADATION AND STABILITY | 2023年 / 216卷

关键词：

Polypropylene; Crystallization; Degradation; Mechanical properties; NONISOTHERMAL CRYSTALLIZATION KINETICS; SURFACE MODIFICATION; METHYL-ORANGE; PHASE-CHANGE; NANOPARTICLES; DEGRADATION; MICROPLASTICS; POLYETHYLENE; NANOCOMPOSITES; POLYMERS;

D O I：

10.1016/j.polymdegradstab.2023.110481

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

In this work, the effect of the side group of a series of silane coupling agents, as well as the subsequent anchoring of an imidazole derivative, for TiO2 particles, within the polypropylene polymeric matrix, with emphasis on their mechanical properties and their crystallization kinetics, and their rate of degradation. Differences were the following: the 3-Glicydoxypropyltrimethoxysilane was the best in photostability overall. On the other hand, 3-Chloropropyltrimethoxysilane promoted the degradation. All the other silane coupling agents avoided the an-atase's photocatalytic activity, inhibiting the polymer matrix's degradation.

引用

页数：24

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