Nanocomposite Materials Polymers

TEC STAR S.r.l.Viale Europa, 40 – 41011 Campogalliano (Italy)Tel. (+39)059 526845 – Fax (+39)059 527000

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TEC STAR: your FULL partner in nanotecnologyComplete problem solving service: from the analysis of the “state of the art” to the industrial supply

of nanoparticles

INNOVATION BY NANOPARTICLES: nanocomposite polymers

Dr. Alberto Borghi – Vicepresident

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Nanoparticles are different – why?

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Nanoparticles are different – greatinterfacial area

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Nanoparticles - applications

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Nanoparticles - applications

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Carbon Nanotubes

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Nanocomposites – micro vs nanoProperties you can increase:• Strength of materials• Diffusion barriers• Tensile strength and impact resistance• Flame retardancy• Adhesives

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Industrial applications

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Nanocomposites - nanoclay

PMMA nanocomposite with different % nanoclays

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Surface effects

The Lotus Effect – Superhydrophobic Surfaces

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Nanocomposite coating – paint & varnishModification of epoxy resins is still necessary since some application in the engineering area require higher mechanical and thermal properties.Different types of nanoparticles such as graphite nanofiber, carbon nanotubes, nanoclays, cellulose nanofiber, and nanoalumina have been utilized to enhance the epoxy resin properties.

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Nanocomposite polymers

DEPEND ON: MATRIX, NANOFILLERS, etc.

Automobile (gasoline tanks, bumpers, interior and exterior panels, etc.). Construction (shaped extrusions, panels). Electronics and electrical (printed circuits, electric components). Food packaging (containers, films). Cosmetics (controlled release of “active ingredients”). Dentistry (filling materials). Environment (biodegradable materials). Gas barrier (tennis balls, food and beverage packaging). Flame retardant. Military, aerospace, and commercial applications.

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Nanocomposite polymers – case histories

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Nanocomposite polymers – case histories

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ActivitiesPOLYMERS:TEC STAR customizes and produces nanoparticles that, used as nanofillers in place of traditional fillers, are able to intercalate and bond to the polymer chains, as a consequence of their typical nanometric dimension and huge specific surface. In this way it is possible to tune different properties (mechanical, electrical, magnetic, flame resistance, etc.) with filler concentration within the matrix not larger than 2-5% wt. and with no variation of material workability.

Polymers treated:. Polypropylene. Polyurethane. PMMA. PEEK

Distribution of metal oxide nanoparticles in polypropylene.

SEM cross section picture of PUR. SEM cross section picture of nanocomposite PUR (a) SiO2 nanoparticles; (b) TiO2 nanoparticles.

(a) (b)

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ExampleProblem: to improve the impact resistance of a thermoplastic polymer, obtained by injection molding.

Activity:

a) characterization of the molded part:

• Mechanical properties (tensile test – ISO 527; bending test – ISO 178; impact test – ISO 180, Vicat – ISO 306, HDT – ISO 75, MFI – ISO 1133)

• SEM/Focused Ion Beam – to check the nanoparticles distribution inside the polymer

b) production of real parts using injection molding, starting from nanocomposite masterbatches.

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ExampleResults: improvement of mechanical properties of nanocomposite polymer with respect the standard one.

5%wt of nanoparticles

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Example

SEM/FIB pictures show uniform distribution of nanoparticles inside the polymer.

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Contacts

Dr. Alberto Borghiborghi@tec-star.it

TEC STAR SrlViale Europa, 40

41011 Campogalliano (MO) - ItalyTel (+39)059.526845 Fax (+39)059.527000

Nanocomposite Materials Polymers

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