Examples of 'photochromic material' in a sentence
Meaning of "photochromic material"
photochromic material: Photochromic material refers to substances that change color when exposed to light. This type of material is commonly used in transition lenses for eyeglasses, where the lenses darken in sunlight and become clear indoors
How to use "photochromic material" in a sentence
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photochromic material
Transition lenses are a type of photochromic material used in eyeglasses.
A photochromic material comprising a polymerizable composition according to any preceding claim.
The polarizing coating may further comprise a photochromic material.
The type of photochromic material does not limit the extent of the invention.
The device is based on the use of a sensor including a photochromic material.
The photochromic material is thus used to allow or prevent data writing as required.
The plastic material may optionally contain one ore more photochromic material.
In accordance with one embodiment a photochromic material is incorporated into the photohardenable composition.
Photochromic spectacles utilize the above nature of the photochromic material for lenses.
The photochromic material was dissolved into the monomer blend by stirring and gentle heating.
The amount of photochromes in the photochromic material MPH is thus increased.
A photochromic material comprising a polymerizable composition of claim 1.
A method of making a photochromic material comprising,.
A photochromic material containing a chromene compound of claim 1.
In a further non-limiting method, the photosensitive material is a photochromic material.
See also
Marcapto groups can be added to the photochromic material by reducing a sulfo substituted photochromic material.
Finally, the composite plastic lens is impregnated with a photochromic material.
The invention further provides a photochromic material containing the above chromene compound of the present invention.
Accordingly, the compounds of this invention can be broadly utilized as a photochromic material.
The use of a photochromic material for UV measurements as such is known.
Method according to claim 1, according to which the developing surface incorporates a photochromic material.
An example is photochromic material that darkens in the presence of UV light.
The irreversible change may include darkening, or latent darkening, of the photochromic material.
The photochromic material may also be a photochromic-dichroic material.
That is, in the clear state, the photochromic material exhibits an unintended tint.
A photochromic material containing a chromene compound of any one of claims 1 to 3.
Articles comprising the organic photochromic material according to any one of claims 1 to 8.
A photochromic material that is essentially free of polymerizable unsaturated groups, said photochromic material comprising,.
Photochromic articles comprising a transparent organic photochromic material according to any one of claims 1 to 3.
As the photochromic material changes colour, the fluorescent emission colours will match.
Therefore, it has been desired to provide a photochromic material that does not exhibit initial color.
The more photochromic material incorporated, the greater is the color intensity up to a certain limit.
The aqueous composition of claim 7 wherein the organic photochromic material is chosen from,.
In some examples, a photochromic material may be used in combination with luminescent materials.
Said known device includes a lattice-like arrangement of light waveguides, combined to a photochromic material.
Alternatively, the photochromic material can be encapsulated in the microparticles without bonding.
A further non-limiting embodiment provides an aqueous composition in which the photosensitive material is a photochromic material.
Alternatively, the photochromic material may be imbibed into a pre-formed article or coating.
In a further non-limiting embodiment, the photosensitive material is a photochromic material comprising a pyran chosen from,.
Thereafter, the photochromic material may be bonded to the polymeric material as discussed above.
Alternatively, the reflective lenses 20 may be made of a photochromic material.
For example, the photochromic material may be connected to the substrate by over-molding.
More specifically, the indicator 14 includes the photochromic material.
Another invention is concerned with a photochromic material comprising the above-mentioned photochromic polymerizable composition.
For example, the indicator 14 composition itself could include photochromic material.
Thereafter, although not required, the photochromic material may be bonded with the polymeric material.
A photochromic material comprising a chromene compound of claim 1 . A photochromic optical material containing a chromene compound of claim 1.
In yet a further non-limiting embodiment, the organic photochromic material comprises at least one polymerizable group.
The inorganic photochromic material typically contains crystallites of silver halide, cadmium halide and / or copper halide.
In the absence of HALS, the resulting photochromic material tends to discolor with use.
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These photochromic compounds thus appear to be colored
The invention relates to photochromic composite materials
The photochromic molecules are trapped in these pores
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Dried material can be removed with acetone
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