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Journal of Coatings Technology and Research OnlineFirst articles

16-01-2022

Preparation and characterization of self-crosslinking acrylate emulsion modified by divinyl silane

The divinyl silane modified self-crosslinking polyacrylate latex was successfully prepared by semicontinuous seeded emulsion polymerization. Methyl methacrylate (MMA) and butyl acrylate (BA) were used as main monomers and the reaction was …

Authors:
Xiaolong Chen, Shusen Cao, Wangting Zhao, Lijun Chen

12-01-2022

Efficacy and mechanism of GO/IBTS coating against microbial fouling of concrete surfaces in marine tidal areas

In this paper, GO/IBTS composite emulsion was prepared by sol–gel method with graphene oxide (GO) and isobutyltriethoxysilane (IBTS) as raw materials. GO/IBTS composite coating was constructed on the surface of concrete blocks, which were then …

Authors:
Shaochun Li, Jun Liu, Yongjuan Geng, Ang Liu, Ailing Xu, Dongshuai Hou, Xiulu Lang

12-01-2022

Investigation of effect of type of pigment/extender on the stability of high pigment volume concentration water-based architectural paint

This article elucidates the effect of type of pigment/extenders viz. titanium dioxide (TiO2), magnesium silicate (steatite), calcium carbonate, dolomite, precipitated sodium magnesium aluminosilicates, hydrated and calcined aluminum silicates …

Authors:
Ritesh A. Bhavsar, Avinash Sardesai

12-01-2022

Influence of pigment and binder composition on the dynamic water penetration and dried structure of precoating layers for double-coated paper

The influence of precoating colors on the dynamic water penetration behavior of double-coated paper was investigated using a laboratory coater equipped with two coating heads. Emphasis was placed on the effects of the pigment combination and …

Authors:
Hye Jung Youn, Hak Lae Lee

11-01-2022

The enhanced surface properties of geopolymer inorganic coatings by adding with MgO

This paper mainly studies an inorganic coating based on geopolymer technology. Metakaolin is used as raw material, and water glass solution is used as alkali activator to prepare geopolymer. The surface properties including crack resistance and …

Authors:
Xueting Liu, Ying Fan, Yuan Li, Wenkui Liu, Jingjing Wu, Changming Liu, Bin Yang, Zhicheng Pang

08-01-2022 | Original Research

Antibacterial noncytotoxic chitosan coatings on polytetrafluoroethylene films by plasma grafting for medical device applications

Chitosan is an exciting alternative for the development of coating-surfaces due to its large action spectrum against pathogenic microorganisms. However, to produce a stable coating with effective antibacterial action, a compromise between …

Authors:
Juliana M. Vaz, Thiago B. Taketa, Jacobo Hernandez-Montelongo, Larissa M. C. G. Fiúza, Cristiano Rodrigues, Marisa M. Beppu, Rodrigo S. Vieira

03-01-2022

Flow stabilization and coating thickness reduction through use of multi-slot air-knife in gas jet wiping

This paper investigates the gas jet wiping process, which is widely employed for controlling the final zinc-alloy coating thickness of a moving steel strip in the continuous hot-dip galvanizing process. In this study, large eddy simulation (LES) …

Authors:
A. Yahyaee Soufiani, J. R. McDermid, A. N. Hrymak, F. E. Goodwin

17-12-2021 Open Access

Deep learning-based automated characterization of crosscut tests for coatings via image segmentation

A manual scratch test to measure the scratch resistance of coatings applied to a certain substrate is usually used to test the adhesion of a coating. Despite its significant amount of subjectivity, the crosscut test is widely considered to be the …

Authors:
Gaoyuan Zhang, Christian Schmitz, Matthias Fimmers, Christoph Quix, Sayed Hoseini

29-11-2021

Modification of styrene-acrylic emulsion by organic UV absorber in synergy with fluorine and silicon monomers for weatherable coatings

To improve the weather ability and thermal stability of styrene-acrylic polymer emulsion coatings, a series of novel styrene-acrylic polymer emulsion modified with 2-[2-hydroxy-5-[2-(methacryloyloxy)ethyl]phenyl]-2H-benzotriazole (HMEB) …

Authors:
Wei Dong, Lei Zhou, Yanni Guo, Yining Tang, Rong Pan, Mengli Liu, Deliang He

29-11-2021 | Review Article

Integration of antifouling properties into epoxy coatings: a review

The need for nontoxic antifouling coatings has encouraged material scientists to develop a class of organic coatings for diverse applications. As a versatile thermosetting resin and well known for coating application, antifouling characteristics …

Authors:
P. Poornima Vijayan, Krzysztof Formela, Mohammad Reza Saeb, P. G. Chithra, Sabu Thomas

29-11-2021 | Review Article

A concise review on corrosion inhibitors: types, mechanisms and electrochemical evaluation studies

This article presents a concise review of different types of inhibitors for corrosion protection on metal surfaces. Corrosion inhibitors can be of different types, which include organic, inorganic and hybrid (organic/inorganic) materials. They are …

Authors:
I. A. Wonnie Ma, Sh. Ammar, Sachin S. A. Kumar, K. Ramesh, S. Ramesh

24-11-2021

Valorization of almond shells’ lignocellulosic microparticles for controlled release urea production: interactive effect of process parameters on longevity and kinetics of nutrient release

In this study, almond shell lignocellulosic bio-waste material is utilized as a spray suspension for the production of controlled release urea in a rotary pan coater. For this purpose, the almond shell particles are chemically modified to enhance …

Authors:
Babar Azeem, Noureddine Elboughdiri, KuZilati KuShaari, Bassem Jamoussi, Djamel Ghernaout, Saad Ghareba, Shahid Raza, Aicha Gasmi

16-11-2021

Role of an interface crack for the blistering mode of a stiff film on a compliant substrate

A stiff thin film deposited over an underlying compliant substrate is susceptible to blistering when it is subjected to excessive in-plane compressive stresses. Two kinds of blistering modes (wrinkling and buckling) have been revealed in …

Authors:
Peixia Gu, Xuejun Chen

10-11-2021

Microwave thermally expanded graphene/polyaniline conductive paste for elaborate conductive pattern and conductive polyester fabric fabrication via screen printing

This work reports the preparation and application of microwave thermally expanded graphene (G)/polyaniline (PANI) conductive paste. The results from XRD revealed that the polyaniline did not change its crystal structure after being combined with …

Authors:
Junrong Zhu, Weihua Song, Jun Peng, Yunjie Yin, Bo Xu, Chaoxia Wang

10-11-2021

Corrosion protection of benzoxazine and cardanol-doped polyaniline coatings

In this work a corrosion protection material formed by commercial benzoxazine and polyaniline (PAni) for coatings applications was developed. PAni doped with a natural phenolic compound, cardanol, was used in the coating preparation, and …

Authors:
Raiane Valenti Gonçalves, Isadora Quinhones Liposki, Lucas Weber Dias, Alessandra Fiorini Baldissera, Mauro Ricardo da Silva Silveira, Carlos Arthur Ferreira, Leila Bonnaud, Nara Regina de Souza Basso

09-11-2021

Phytic acid based novel optically transparent intumescent fire-retardant coating for protection of combustible substrates with retention of aesthetic appearance

Phosphorus source in transparent intumescent fire-retardant (IFR) coatings plays a crucial role in determining its performance against protecting structures from fire. In the present work, naturally occurring environmentally benign phosphorus-rich …

Authors:
Raj Shree, R. Baloji Naik, G. Gunasekaran

09-11-2021

Tamarind shell tannin-doped hybrid sol–gel coatings on mild steel in acidic medium toward improved corrosion protection

This study investigated the application of tamarind shell tannin extracts (TSTE) [isolated using methanol (TME) and 70% acetone (TAE)]-doped hybrid sol–gel coatings prepared using (3-Glycidyloxypropyl)trimethoxysilane (GPTMS) and tetraethoxysilane …

Authors:
Abdullahi Abdulmajid, Tuan Sherwyn Hamidon, M. Hazwan Hussin

09-11-2021

Effects of surface fluorination on the dyeing of polycarbonate (PC) resin

The surface of polycarbonate (PC) was fluorinated with a mixed gas of F2 and O2 at 25 °C for 1 h. The surface roughness (Ra) of the fluorinated PC samples was about double that of the untreated sample (0.685 nm), while the water contact angle of …

Authors:
Jae-Ho Kim, Toshihiro Mishina, Masanari Namie, Fumihiro Nishimura, Susumu Yonezawa

09-11-2021 | Editorial

Introduction to the special issue

Author:
Hadj Benkreira

05-11-2021

Development of thin-film hydroxyapatite coatings with an intermediate shellac layer produced by dip-coating process on Ti6Al4V implant materials

A thin layer of hydroxyapatite (HAp) coating has been developed on Ti6Al4V substrates using a dip-coating process. An intermediate layer of shellac (natural resin) was applied in between the substrate and the coating film to improve the adhesion …

Authors:
A. Ritwik, K. K. Saju, Ajith Vengellur, P. P. Saipriya