Intelligent Orthopaedic Materials

Hastings, G.W.; Mahmud, Firoz

doi:10.1177/1045389x9300400402

Cited by 19 publications

(9 citation statements)

References 10 publications

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“…In fact, many naturally occurring portions in animals and plants are provided with such function [2][3][4][5][6]. In the case of healing of a skin wound, for example, the defect is temporarily plugged with a fibrin clot, which is infiltrated by inflammatory cells, fibroblasts, and a dense capillary plexus of new granulation tissue.…”

Section: Introductionmentioning

confidence: 99%

Self healing in polymers and polymer composites. Concepts, realization and outlook: A review

Yuan¹,

Yin²,

Rong³

et al. 2008

Express Polym. Lett.

375

192

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Abstract. Formation of microcracks is a critical problem in polymers and polymer composites during their service in structural applications. Development and coalescence of microcracks would bring about catastrophic failure of the materials and then reduce their lifetimes. Therefore, early sensing, diagnosis and repair of microcracks become necessary for removing the latent perils. In this context, the materials possessing self-healing function are ideal for long-term operation. Self-repairing polymers and polymer composites have attracted increasing research interests. Attempts have been made to develop solutions in this field. The present article reviews state-of-art of the achievements on the topic. According to the ways of healing, the smart materials are classified into two categories: (i) intrinsic self-healing ones that are able to heal cracks by the polymers themselves, and (ii) extrinsic in which healing agent has to be pre-embedded. The advances in this field show that selection and optimization of proper repair mechanisms are prerequisites for high healing efficiency. It is a challenging job to either invent new polymers with inherent crack repair capability or integrate existing materials with novel healing system.

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Section: Introductionmentioning

confidence: 99%

Self healing in polymers and polymer composites. Concepts, realization and outlook: A review

Yuan¹,

Yin²,

Rong³

et al. 2008

Express Polym. Lett.

375

192

View full text Add to dashboard Cite

show abstract

“…These qualities are usually attributed to two key properties: ability to induce formation of an apatite layer on material surfaces in physiological conditions and ability to promote bone cells anchorage, attachment, spreading, growth, and differentation. [4][5][6][7][8] It is widely accepted that surface chemical structure exerts a significant influence over these two events. 9 Among the techniques available to turn polymeric biomaterials with limited or no tendency to mineralize into mineralizing ones, grafting of phosphate groups has been reported as a successful procedure.…”

Section: Introductionmentioning

confidence: 99%

New phosphorylated derivatives of carboxymethylcellulose with osteogenic activity

Leone

Torricelli²,

Giardino

et al. 2008

Polymers for Advanced Techs

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New phosphorylated derivatives of carboxymethylcellulose (CMC) and amidic CMC were realized using trisodium trimetaphosphate (STMP) as the phosphating agent. The new polysaccharides were characterized by infrared spectroscopy and elemental analysis. The characterized polysaccharides were then crosslinked and their rheological and swelling properties determined. The presence of phosphate groups made the three-dimensional structures more compact and harder than the corresponding non-phosphated hydrogels. Evaluation of the bioactivity of phosphorylated hydrogels toward osteoblast-like cells (MG63) showed a significant increase in the osteocalcin production.

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“…Because damage deep within a material is particularly difficult to identify and repair, materials that have self-healing properties are desirable. In fact, there are many examples of self-healing materials in biology (Trask, 2007;Hastings & Mahmud, 1993;Martin, 1997;Albert & Wong, 1991). For example, in the case of a skin wound, the defect is temporarily plugged with a fibrin clot, which is infiltrated by inflammatory cells, fibroblasts, and a dense capillary plexus of new granular tissue.…”

Section: Introductionmentioning

confidence: 99%

Self-Healing Coatings for Corrosion Inhibition of Metals

Yabuki¹

2015

MAS

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Anti-corrosion protective coatings have been widely applied as a surface treatment to prevent corrosion of various metallic materials, such as aluminum alloys, magnesium alloys, steel and zinc-coated steel, which are used in automobile parts, building structures, home appliances, etc. One of the most important characteristics of these coatings is the ability to self-heal. If a self-healing coating suffers mechanical damage and corrosive species in the environment begin to degrade the bare metal surface, the damaged surface is automatically repaired by a chemical component of the coating. Chromate conversion coatings have self-healing properties. However, environmental concerns have necessitated the reduction and discontinuation of chromate-based protective coatings in recent years. This paper describes two recently developed self-healing coatings -a fluorine polymer coating with metal particles and a coating comprised of particles and an organic healing agent. A fluorine polymer coating has self-healing properties, which are improved by the addition of metal particles. A self-healing coating that uses particles and an organic healing agent has also been developed.

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Intelligent Orthopaedic Materials

Cited by 19 publications

References 10 publications

Self healing in polymers and polymer composites. Concepts, realization and outlook: A review

Self healing in polymers and polymer composites. Concepts, realization and outlook: A review

New phosphorylated derivatives of carboxymethylcellulose with osteogenic activity

Self-Healing Coatings for Corrosion Inhibition of Metals

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