Elastic Environmental protection

Most synthetic binders are softer and more flexible thant hard resins. Consequently, they impart good elasticity, impact resistance, and improved adhesion, even to critical undercoats, as well as offering adequate resistance to weathering and chemicals. These binders are produced with a property profile tailored to suit particular application methods and to comply with a range of technical requirements, including environmental protection, low toxicity, and suitability for recycling and disposal. 

To prepare the FRP composite, the respective fiber is embedded in a polymer matrix mostly thermoset or thermoplastic resins. The role of the matrix is (i) to bind the fibers together, (ii) to transfer stresses between fibers, and (iii) to protect them against environmental attack and damage due to mechanical abrasion. The matrix also controls the processability, the maximum service temperatures, as well as the flammability and corrosion resistance of FRP. Most FRPs are made in order to improve mechanical performances such as elastic properties (modulus of elasticity) and ultimate properties (strength, toughness). To some extent and based on the choice of constituents, preparation of composites makes it also possible to tailor other physical properties, such as electrical conductivity, mass transport properties, heat conduction, etc. [49]. 

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