The impact of baking conditions on physico-chemical characteristics influencing topography and appearance aspects of polyurethane coatings

被引：5

作者：

Ahmadabadi, H. Yazdani ^{[1
]}

Rastegar, S. ^{[1
]}

Ranjbart, Z. ^{[2
,3
]}

Allandini, A. ^{[1
]}

机构：

[1] Amirkabir Univ Technol, Fac Polymer Engn & Color Technol, Tehran, Iran

[2] Inst Color Sci & Technol, Dept Surface Coatings & Corrosion, Tehran, Iran

[3] Ctr Excellence Color Sci & Technol, Tehran, Iran

来源：

PROGRESS IN ORGANIC COATINGS | 2014年 / 77卷 / 11期

关键词：

Polyurethane electro-coating; Baking conditions; Cross-linking; Cure shrinkage; Specular gloss; Color difference; THERMAL-DEGRADATION;

D O I：

10.1016/j.porgcoat.2014.05.011

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The appearance aspects of an electrodeposited polyurethane-based coating as a function of baking condition were investigated. Specular gloss and color was measured as a mean to trace the changes of the surface topography due to baking conditions. Atomic force microscopy combined with FTIR spectroscopic investigations showed that the shrinkage occurred due to the high baking temperature results in surface roughness. Films baked at higher temperature form higher-T-g networks. The color was changed to yellow as the baking temperature was raised. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：1688 / 1694

页数：7

共 22 条

[1] Curing characteristics and internal stresses in epoxy coatings: Effect of crosslinking agent [J].

Abdelkader, AF ;

White, JR .

JOURNAL OF MATERIALS SCIENCE, 2005, 40 (08) :1843-1854

[2] Strategy for kinetic parameter estimation-thermal degradation of polyurethane elastomers [J].

Agic, Ante ;

Bajsic, Emi Govorcin .

JOURNAL OF APPLIED POLYMER SCIENCE, 2007, 103 (02) :764-772

[3] Kinetics of degradation under non-isothermal conditions of a thermooxidative stabilized polyurethane [J].

Albu, P. ;

Bolcu, C. ;

Vlase, Gabriela ;

Doca, N. ;

Vlase, T. .

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY, 2011, 105 (02) :685-689

[4] Adhesion of epoxy cataphoretic coatings on Zn alloys [J].

Bajat, Jelena B. ;

Miskovic-Stankovic, Vesna B. ;

Drazic, Dragutin M. .

JOURNAL OF THE SERBIAN CHEMICAL SOCIETY, 2007, 72 (12) :1383-1392

[5]

Beck F., 1976, PROG ORG COAT, V4, P1, DOI 10.1016/0300-9440(76)80001-X

[6] Reaction kinetics and morphological changes of a rigid polyurethane foam during combustion [J].

Branca, C ;

Di Blasi, C ;

Casu, A ;

Morone, V ;

Costa, C .

THERMOCHIMICA ACTA, 2003, 399 (1-2) :127-137

[7]

Cabortaud F., 1381, J POLYM SCI, V19, P139

[8] Structural engineering of polyurethane coatings for high performance applications [J].

Chattopadhyay, D. K. ;

Raju, K. V. S. N. .

PROGRESS IN POLYMER SCIENCE, 2007, 32 (03) :352-418

[9] Thermooxidative stability of different polyurethanes evaluated by isothermal and dynamic methods [J].

Fambri, L ;

Pegoretti, A ;

Gavazza, C ;

Penati, A .

JOURNAL OF APPLIED POLYMER SCIENCE, 2001, 81 (05) :1216-1225

[10] Evaluation of cure temperature effects in cataphoretic automotive primers by electrochemical techniques [J].

Garcia, S. J. ;

Rodriguez, M. T. ;

Izquierdo, R. ;

Suay, J. .

PROGRESS IN ORGANIC COATINGS, 2007, 60 (04) :303-311

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