Optimizing heavy-duty anticorrosive performances of coating films formed by acrylate-vinylidene chloride copolymer latexes through twice-painting technique

Fu, Ce; Zhang, Tongxian; Ji, Cheng-Qi; Cheng, Fa; Cui, Wen-Zhu; Chen, Yu

doi:10.1007/s10118-015-1570-x

Cited by 8 publications

(6 citation statements)

References 23 publications

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“…Atingir estas propriedades contrastantes pode ser ainda mais complicado em um revestimento à base de água em uma tinta mono componente termoplástica tal como um látex acrílico, em que a reticulação polimérica não está disponível para constituir propriedades tais como a resistência química e durabilidade exterior. Novos estudos com polímeros acrílicos e acrilato e derivações com cloreto de vinilideno (Fu et al, 2015) demonstram excelente resistência no salt spray em até 800 horas, mas após esse tempo de envelhecimento a manutenção da aderência no sistema de DTM é muito importante para manter a integridade do metal. A dicotomia entre o baixo teor de compostos orgânicos voláteis (VOC) e boas propriedades de dureza é outro exemplo que está sendo ativamente desenvolvido em ambos os mercados de revestimentos arquitetônicos e industriais e é um alvo particularmente difícil para polímeros acrílico à base de água (Clamen et al, 2011).…”

Section: Introductionunclassified

Resposta Ao Impacto Balístico De Compósitos De Alumina-Uhmwpe Irradiados Com Raios Gama

Figueiredo¹,

Vital²,

Weber³

et al. 2021

Engenharia De Materiais E Metalúrgica: Tudo À Sua Volta 2

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Direitos para esta edição cedidos à Atena Editora pelos autores. Todo o conteúdo deste livro está licenciado sob uma Licença de Atribuição Creative Commons. Atribuição-Não-Comercial-NãoDerivativos 4.0 Internacional (CC BY-NC-ND 4.0).O conteúdo dos artigos e seus dados em sua forma, correção e confiabilidade são de responsabilidade exclusiva dos autores, inclusive não representam necessariamente a posição oficial da Atena Editora. Permitido o download da obra e o compartilhamento desde que sejam atribuídos créditos aos autores, mas sem a possibilidade de alterá-la de nenhuma forma ou utilizá-la para fins comerciais. Todos os manuscritos foram previamente submetidos à avaliação cega pelos pares, membros do Conselho Editorial desta Editora, tendo sido aprovados para a publicação com base em critérios de neutralidade e imparcialidade acadêmica.A Atena Editora é comprometida em garantir a integridade editorial em todas as etapas do processo de publicação, evitando plágio, dados ou resultados fraudulentos e impedindo que interesses financeiros comprometam os padrões éticos da publicação. Situações suspeitas de má conduta científica serão investigadas sob o mais alto padrão de rigor acadêmico e ético.

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Section: Introductionunclassified

Resposta Ao Impacto Balístico De Compósitos De Alumina-Uhmwpe Irradiados Com Raios Gama

Figueiredo¹,

Vital²,

Weber³

et al. 2021

Engenharia De Materiais E Metalúrgica: Tudo À Sua Volta 2

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“…Copolymer latexes of vinylidene chloride (VDC) with (meth)acrylate, acrylonitrile, or vinyl chloride have been targeted for the applications as coatings for paper, fibers, or packaging. − Moreover, the water-borne latexes of acrylate–VDC copolymers have been explored for the application as heavy-duty coating materials for metal protection. − The N -substituted 4-bromo-1,8-naphthalimides have been verified to be efficient RTP phosphors, which also had characteristics of good stability and facile preparation. ,− Thus, in this contribution, N -hydroxyethyl 4-bromo-1,8-naphthalimide (HBN) was chosen as RTP phosphor to dope the water-borne latexes of acrylate–VDC copolymers. The coating films formed from the HBN-doped acrylate–VDC copolymers were dual-emissive, including a normal fluorescence emission and RTP emission under ambient condition.…”

Section: Introductionmentioning

confidence: 99%

Dual-Emissive Coating Films Prepared from Water-Borne Latexes of Acrylate–Vinylidene Chloride Copolymers: Their Room-Temperature Phosphorescence Properties and Sensing Abilities toward Solvents

Chen

Liu

2020

Ind. Eng. Chem. Res.

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Materials with a room-temperature phosphorescence (RTP) property have wide application fields. For practical applications, it is highly desirable that only a small amount of RTP phosphors was attached to the widely used hydrophobic polymers, especially the coating polymers, to avoid impairing the physical properties of polymers while reserving RTP function. In this work, aqueous latexes of copolymers of acrylate and vinylidene chloride (VDC) were prepared through the green emulsion polymerization in the presence of an extremely small amount of RTP phosphor (0.062 wt % relative to the solid), N-hydroxyethyl 4-bromo-1,8-naphthalimide (HBN). Once being excited, the hydrophobic soft films formed from these latexes were dual-emissive, including a broad fluorescence emission in the region of ultraviolet and blue light and a broad RTP emission signal covering from 530 to 690 nm under ambient condition (air, room temperature). X-ray diffraction and Differential scanning calorimetry characterizations demonstrated that the obtained acrylate–VDC copolymers had a very low crystallization degree, and their glass transition temperatures were around, even less than room temperature, much less than the ever-used rigid hydrophobic polymers for supporting RTP phosphors. The HBN-doped acrylate–VDC copolymer films emitted an orange color under UV light, and the emission color could respond reversibly to medium polar to nonpolar solvents.

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“…The heavy-duty anticorrosion coatings are usually used to protect metallic constructions in marine corrosion [1][2][3][4]. However, for the mentioned particular structures, the good shielding property of anticorrosion coating not only depends on the nature of coating material but also requires high thickness and good elasticity of coating to cover the crevice and to withstand the structural deformation [5][6][7][8]. The recycling property of coating is desired because the disassembly and assembly operation of these connection structures during the regular maintenance will destroy the ordinary anticorrosion coating.…”

Section: Introductionmentioning

confidence: 99%

“…At present, most of the heavy-duty anticorrosive coatings are solvent-based crosslinking curing resins, such as epoxy resin [5,6], polyurethane [9], and acrylic resin [8,10]. In the process of connection structures installation and later maintenance, the disassembly and assembly operation are easy to cause damage to these coatings and reduce the protection performance of the coating.…”

Section: Introductionmentioning

confidence: 99%

Study on a Novel Recyclable Anticorrosion Gel Coating Based on Ethyl Cellulose and Thermoplastic Polyurethane

et al. 2019

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In this paper, ethyl cellulose, thermoplastic polyurethane, and mineral oil were used as the main raw materials to synthesize a recyclable thermoplastic gel for anticorrosion coatings by a hot melt method. In addition, the effect of thermoplastic polyurethane on the properties of the coating was discussed. The structure and corrosion protection properties of the coating were characterized and analyzed by a scanning electron microscope, transmission electron microscope, X-ray diffraction, infrared spectroscopy, dynamic mechanical analysis, salt spray test, and electrochemical measurements. The results show that the ethyl cellulose and oil in the coating can form a stable organic-gel structure by hydrogen bonding, and the mineral oil and castor oil are uniformly dispersed in the coating. The surface of the coating does not change after 3000 h of a salt spray test. During the repeated hot melting spraying and immersion in 3.5 wt.% NaCl solution for five times, the electrochemical impedance modulus of the coating was always above 109 Ω⋅cm2, the water absorption rate was always less than 1.5 wt.%, and the mechanical properties of the coating did not decrease. This novel coating could be used for the corrosion protection of flange and valve connections in pipeline and bolting connections in different industries. The disassembly and assembly operation of these connection structures during the regular maintenance will destroy the ordinary anticorrosion coating, and the irregular geometric shape of such places also make difficulties for the preparation of ordinary coatings onsite.

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Optimizing heavy-duty anticorrosive performances of coating films formed by acrylate-vinylidene chloride copolymer latexes through twice-painting technique

Cited by 8 publications

References 23 publications

Resposta Ao Impacto Balístico De Compósitos De Alumina-Uhmwpe Irradiados Com Raios Gama

Resposta Ao Impacto Balístico De Compósitos De Alumina-Uhmwpe Irradiados Com Raios Gama

Dual-Emissive Coating Films Prepared from Water-Borne Latexes of Acrylate–Vinylidene Chloride Copolymers: Their Room-Temperature Phosphorescence Properties and Sensing Abilities toward Solvents

Study on a Novel Recyclable Anticorrosion Gel Coating Based on Ethyl Cellulose and Thermoplastic Polyurethane

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