C hapter 10 nanomaterial product Forms and Functions
438
ties that collectively, in turn, determine the overall optical characteristics of the material, including the fascinating color variations
seen when the material is viewed from different angles and/or the
incident angle of the light is changed. Section 9.5 discusses these
materials in detail.
Many interesting layered structures are being developed in connection with solar photovoltaic technologies. The use of nanomaterials
has enhanced the efficiency of these kinds of solar collectors (see
Section 9.7).
To use thin films for any of the applications we’ve discussed, the
actual method of producing the coating is quite important. The
type of coating, costs and related production volumes and the size
of surface that can be coated are all important variables. Many of
these processes are described in more detail in Chapter 8.
nanopaints and nanosealants
nanopaints
Paints that serve protective or decorative purposes are ages old.
Their need in our products and buildings remains as important
today as in the past. There have been remarkable advances in
paints in recent years due to the explosion of work in the field of
polymer chemistry. The development of waterborne systems based
on polymer dispersions literally revolutionized common interior
and exterior paints. Demands for improved performance are still
with us. It is no wonder that that there is great interest in nanostructured paints containing nanoparticles or nanotubes in suspension that are applied as liquids and then harden (see Figure 10.34).
Today nanopaints come in many forms and have been developed
with many different needs in mind. Common objectives include
improved scratch and abrasion resistance, hardness, glossiness, and
color steadfastness. Self-cleaning and antimicrobial actions are also
common objectives.
There are many approaches to making nanopaints, depending
on the development objective. Both organic and inorganic nanoparticles find use in relation to pigments. Dispersed inorganic or
metallic nanoparticles add hardness and strength. Inorganic nanoparticles aid in elasticity. Well-dispersed inorganic nanoparticles
can also impart highly sought scratch-resistant qualities to a paint.
Nanosized ceramic particles or nanoclays can be used in various
polymeric materials that harden into a cross-linked material when
heated in an oven. Various silicates can be used in inorganic-
438
ties that collectively, in turn, determine the overall optical characteristics of the material, including the fascinating color variations
seen when the material is viewed from different angles and/or the
incident angle of the light is changed. Section 9.5 discusses these
materials in detail.
Many interesting layered structures are being developed in connection with solar photovoltaic technologies. The use of nanomaterials
has enhanced the efficiency of these kinds of solar collectors (see
Section 9.7).
To use thin films for any of the applications we’ve discussed, the
actual method of producing the coating is quite important. The
type of coating, costs and related production volumes and the size
of surface that can be coated are all important variables. Many of
these processes are described in more detail in Chapter 8.
nanopaints and nanosealants
nanopaints
Paints that serve protective or decorative purposes are ages old.
Their need in our products and buildings remains as important
today as in the past. There have been remarkable advances in
paints in recent years due to the explosion of work in the field of
polymer chemistry. The development of waterborne systems based
on polymer dispersions literally revolutionized common interior
and exterior paints. Demands for improved performance are still
with us. It is no wonder that that there is great interest in nanostructured paints containing nanoparticles or nanotubes in suspension that are applied as liquids and then harden (see Figure 10.34).
Today nanopaints come in many forms and have been developed
with many different needs in mind. Common objectives include
improved scratch and abrasion resistance, hardness, glossiness, and
color steadfastness. Self-cleaning and antimicrobial actions are also
common objectives.
There are many approaches to making nanopaints, depending
on the development objective. Both organic and inorganic nanoparticles find use in relation to pigments. Dispersed inorganic or
metallic nanoparticles add hardness and strength. Inorganic nanoparticles aid in elasticity. Well-dispersed inorganic nanoparticles
can also impart highly sought scratch-resistant qualities to a paint.
Nanosized ceramic particles or nanoclays can be used in various
polymeric materials that harden into a cross-linked material when
heated in an oven. Various silicates can be used in inorganic-