Self-healing polyurethane coatings of eugenol-based polyol incorporated with linseed oil encapsulated cardanol-formaldehyde microcapsules: A sustainable approach

2022 ◽  
Vol 162 ◽  
pp. 106534
Author(s):  
Mahendra S. Mahajan ◽  
Vikas V. Gite
Keyword(s):  
Linseed Oil ◽  
Self Healing ◽  
Polyurethane Coatings

Encapsulation of linseed oil in graphene oxide shells for preparation of self-healing composite coatings

2019 ◽  
Vol 129 ◽  
pp. 285-291 ◽  
Author(s):  
Jing Li ◽  
Zhenwei Li ◽  
Qingkang Feng ◽  
Hanxun Qiu ◽  
Guangzhi Yang ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Linseed Oil ◽  
Composite Coatings ◽  
Self Healing

scholarly journals From Scratch Closure to Electrolyte Barrier Restoration in Self-Healing Polyurethane Coatings

2021 ◽  
Author(s):  
Vincenzo Montano ◽  
Wouter Vogel ◽  
Angela Smits ◽  
Sybrand van der Zwaag ◽  
Santiago J. Garcia
Keyword(s):  
Self Healing ◽  
Polyurethane Coatings

scholarly journals Preparation and Properties of Self-Healing and Self-Lubricating Epoxy Coatings with Polyurethane Microcapsules Containing Bifunctional Linseed Oil

Polymers ◽  
2019 ◽  
Vol 11 (10) ◽  
pp. 1578 ◽  
Author(s):  
Haijuan Yang ◽  
Qiufeng Mo ◽  
Weizhou Li ◽  
Fengmei Gu
Keyword(s):  
Interfacial Polymerization ◽  
Electrochemical Impedance ◽  
Linseed Oil ◽  
Salt Spray ◽  
Average Diameter ◽  
Organic Coating ◽  
Epoxy Coating ◽  
The Self ◽  
Self Healing ◽  
Pure Epoxy

An organic coating is commonly used to protect metal from corrosion, but it is prone to failure due to microcracks generated by internal stress and external mechanical action. The self-healing and self-lubricating achieved in the coating is novel, which allows an extension of life by providing resistance to damage and repair after damage. In this study, a new approach to microencapsulating bifunctional linseed oil with polyurethane shell by interfacial polymerization. Moreover, the self-healing and self-lubricating coatings with different concentrations of microcapsules were developed. The well-dispersed microcapsules showed a regular spherical morphology with an average diameter of ~64.9 μm and a core content of 74.0 wt.%. The results of the salt spray test demonstrated that coatings containing microcapsules still possess anticorrosion, which is improved with the increase of microcapsules content, after being scratched. The results of electrochemical impedance spectroscopy showed a |Z|f=0.01Hz value of 104 Ω·cm2 for pure epoxy coating after being immersed for 3 days, whereas the coating with 20 wt.% microcapsules was the highest, 1010 Ω·cm2. The results of friction wear showed that the tribological performance of the coating was enhanced greatly as microcapsule concentration reached 10 wt.% or more, which showed a 86.8% or more reduction in the friction coefficient compared to the pure epoxy coating. These results indicated that the coatings containing microcapsules exhibited excellent self-healing and self-lubricating properties, which are positively correlated with microcapsules content.

Supramolecular Intrinsic Self-Healing in Polyurethane Coatings

2021 ◽  
pp. 239-245
Author(s):  
Mohammad Mizanur Rahman ◽  
Bashirul Haq ◽  
Viswanathan S. Saji
Keyword(s):  
Self Healing ◽  
Polyurethane Coatings

Properties of Polyurethane Coatings Based on Linseed Oil Phosphate Ester Polyol

2018 ◽  
Vol 6 (7) ◽  
pp. 737-745 ◽  
Author(s):  
A. Abolins ◽  
V. Yakushin and D. Vilsone
Keyword(s):  
Linseed Oil ◽  
Phosphate Ester ◽  
Polyurethane Coatings

Self-healing ability and adhesion strength of capsule embedded coatings—Micro and nano sized capsules containing linseed oil

2012 ◽  
Vol 75 (4) ◽  
pp. 292-300 ◽  
Author(s):  
S. Hatami Boura ◽  
M. Peikari ◽  
A. Ashrafi ◽  
M. Samadzadeh
Keyword(s):  
Adhesion Strength ◽  
Linseed Oil ◽  
Self Healing

Preparation and characterization of microcapsules containing linseed oil and its use in self-healing coatings

2008 ◽  
Vol 63 (1) ◽  
pp. 72-78 ◽  
Author(s):  
C. Suryanarayana ◽  
K. Chowdoji Rao ◽  
Dhirendra Kumar
Keyword(s):  
Linseed Oil ◽  
Self Healing

A combined mechanical, microscopic and local electrochemical evaluation of self-healing properties of shape-memory polyurethane coatings

2011 ◽  
Vol 56 (26) ◽  
pp. 9619-9626 ◽  
Author(s):  
Y. González-García ◽  
J.M.C. Mol ◽  
T. Muselle ◽  
I. De Graeve ◽  
G. Van Assche ◽  
...  
Keyword(s):  
Shape Memory ◽  
Self Healing ◽  
Polyurethane Coatings ◽  
Shape Memory Polyurethane ◽  
Electrochemical Evaluation
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