Examples of 'photochromic compounds' in a sentence
Meaning of "photochromic compounds"
photochromic compounds - Photochromic compounds are substances that change color when exposed to light, especially ultraviolet radiation. They are commonly used in the manufacturing of eyeglasses, contact lenses, and other optical devices to provide tinting or shading in response to light exposure
How to use "photochromic compounds" in a sentence
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photochromic compounds
These photochromic compounds thus appear to be colored.
Chromenes are also well known photochromic compounds.
Two photochromic compounds were present in the oily residue.
Photosensitive compounds such as photochromic compounds are expensive materials.
These photochromic compounds exhibit excellent photochromism resistance.
The spirooxazines are also well known photochromic compounds.
Numerous photochromic compounds have been synthesized and published.
Compounds having this property are called photochromic compounds.
Photochromic compounds having various structures have been synthesized.
The substrate may optionally contain photochromic compounds.
These photochromic compounds show an excellent reversible durability.
The provision of grey colouring photochromic compounds is highly advantageous.
These photochromic compounds preferably do not contain an indoline ring.
The compounds having such properties are called photochromic compounds.
The use of photochromic compounds in polyurethanes has been disclosed.
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This association also places other requirements on photochromic compounds.
Photochromic compounds and compositions.
One subject of the invention therefore consists of novel photochromic compounds.
The preferred photochromic compounds are spirroxazine and chromene compounds.
This combination further imposes other requirements of the photochromic compounds.
The photochromic compounds according to the invention are preferably organic photochromic compounds.
This association further imposes other requirements of the photochromic compounds.
These photochromic compounds may be suitably mixed together to develop a suitable color.
This association thus imposes still other requirements on photochromic compounds.
The photochromic compounds of the invention may be used to produce photochromic ophthalmic lenses.
This combination further inposes other requirements of the photochromic compounds.
Photochromic compounds which can be advantageously used in the present invention are given below.
The invention involves using the two photochromic compounds jointly.
Other photochromic compounds to be combined will preferably be a spirooxazine compound and a fulgimide compound.
A chromene compound and a spirooxazine compound have also been known as photochromic compounds.
The use of photochromic compounds in polymerizable materials for forming photochromic layers has been disclosed.
Such an excess of isocyanate is particularly unsuitable in a material which contains photochromic compounds.
The photochromic compounds conforming to the invention may be used for producing photochromic ophthalmic lenses.
Diluents should be used which do not actively interact with the photochromic compounds.
Photochromic compounds having the structure of formula I wherein.
One method involves applying to the surface of a lens a coating containing dissolved photochromic compounds.
The preferred photochromic compounds of the invention include in group A a triazole ring.
Photochromic compound The following photochromic compounds were used.
The photochromic compounds used are as follows,.
The spiroxazines are also well-known photochromic compounds.
Of course, other photochromic compounds can be used.
In the present invention, it is allowed to use these photochromic compounds.
Therefore, the photochromic compounds are preferably used.
In particular, the use of hazardous organic solvents as carriers for photochromic compounds is avoided.
The following photochromic compounds were used,.
The photochromic substrate includes a transparent substrate in which one or more photochromic compounds are incorporated ;.
Further, conventional photochromic compounds can be thermally reversible.
The preferred additives are dyes, pigments, and photochromic compounds.
One or more organic photochromic compounds containing a nucleus of formula,.
The photochromic compounds used preferably are spirooxazines, chromens or fulgides.
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Examples of using Photochromic
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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
Examples of using Compounds
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These compounds are not effective against spores
Delete volatile organic compounds content of products
These compounds are now under further investigation
