Autonomic materials

Autonomic Materials offers a platform of self-healing additives enabling extended coating lifetimes and reduced asset maintenance costs. When added into a coating formulation, the self-healing additives provide improved corrosion resistance and coating adhesion at the site of damage. 

Smart coatings with self-healing additives: properties and specifications

Autonomic Materials’ self healing additives are microencapsulated liquid agents that impart self-healing functionality to existing coating formulations. The resulting smart coatings are thereby enhanced with improved corrosion resistance and increased adhesion maintenance

What are the properties of Autonomic Materials self-healing additives?

All liquid healing agents and polymeric shell wall materials are designed to survive harsh processing conditions and demanding service environments to ensure excellent long term stability.

The healing agents are hydrophobic in nature allowing displacement of water immediately after damage to the coating, followed by polymerization to restore critical protective barrier properties at the site of damage.

While a formulation adjustment is recommended to allow for incorporation of capsules without sacrificing mechanical properties of the coating, the addition of microcapsules does not require any synthetic modification of the base resin.

Three series of microencapsulated additives are available in both wet and dry forms to provide compatibility with most solventborne and waterborne formulations as well as powder coatings. In addition, custom healing agents can be tailored to suit your specific needs.

What makes these self-healing additives so innovative?

Autonomic Materials is the leader in self-healing technology with a broad portfolio of innovative products, superb technical assistance and capability to provide tailor-made solutions: 
  • Innovative technology with hydrophobic healing agents
  • Truly autonomous self-healing triggered by damage
  • Long term stability
  • Excellent thermal stability
  • Available in a wide range of sizes

Autonomic Materials offers a selection of microcapsules designed with your coating system in mind. Self-healing protection can be incorporated in one or more coating layers depending on the specific demands of the targeted end-use application:

Learn more about all the applications where Autonomic Materials additives provides long term protection!


Case Studies from Self-Healing Technologies for Coatings

Incorporation of Self-Healing Functionality into Coatings for Improved Corrosion Resistance after Damage

When exposed to the environment, metal substrates deteriorate due to corrosion. High-performance coatings are used to prevent the onset of corrosion.

Coatings, however, are often damaged by everyday stresses during a product’s life-cycle. The damage can take the form of small scratches or can be more extensive; it can be an isolated occurrence or caused by repeated wear of the same area. Even the most minor types of damage to a coating can lead to rapid deterioration in harsh environments, causing coating adhesion loss which typically leads to coating, and eventually, product failure.

The coating damage cannot always be immediately repaired as it may require taking the equipment out of service which can have significant direct and indirect costs. The challenge, therefore, is to design coatings which can self-heal after suffering physical damage and thus autonomically prevent coating adhesion loss around the damaged area.


New Construction Application: Extend Protection and Prevent Corrosion with Self-Healing

Corrosion is a primary cause of failure for steel constructions. A common way to protect the assets against corrosion consists of metallic powder pigments, usually zinc-based, with an electrochemical potential that is higher than that of steel.

Such particles create an electrically conductive net, which acts as cathode protection: they oxidize at the place of the protected substrate and when their resource is exhausted, the substrate can be cleaned and re-painted again. However, cracks form due to the atmospheric deterioration and oxidative zinc depletion. So, how can we prolong the service life of protective coatings?


Life-time Cost Analysis: Self-Healing Coatings Deliver Significant Savings for End-Users

Corrosion damage results in significant costs for asset owners. In the United States alone, the annual direct cost of corrosion is estimated to be $276 billion. Autonomic Materials self-healing additives reduces or even eliminates the need for maintenance of corrosion coatings, thereby decreasing the overall cost for corrosion protection.

Autonomic Materials additives convert standard protective coatings into smart-systems with the ability to automatically heal the coating when damage occurs. Download the case study to learn how self-healing coatings deliver significant savings for end-users.


How to get improved corrosion resistance in epoxy powder and fusion-bonded epoxy coatings with self-healing additives

High-performance coatings are required to protect metal from corrosion in demanding industries like oil and gas, heavy equipment and mining. While coating performance has been improved to provide longer and better protection, one critical issue remains: the exposure of metal after coating damage. Once the metal is exposed, corrosion spreads and coating adhesion is reduced. The challenge is therefore to develop a self-healing coating with the ability to maintain adhesion to the substrate after damage.

AMPARMORTM 2000, a microcapsule based self-healing additive developed by Autonomic Materials, is suitable for use in powder coatings to provide improved long term corrosion resistance.

Download the case study to learn more and get comparative data!



Downloads from Self-Healing Technologies for Coatings


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