is a kind of popular name, the polymer transparent material chemical name is called polymethyl methacrylate, is composed of methyl methacrylate polymerization.
And the difference between the common glass: (1) high transparency.
Organic glass, transparent polymer materials is the most excellent, euphotic rate reached 92%, than the high light transmittance of the glass.
Called artificial small sun sun lamp tube is made of quartz, this is because quartz can completely through the ultraviolet light.
Ordinary glass can only through 0.
6% of the ultraviolet (uv), but can through 73% organic glass.
(2) high mechanical strength.
The relative molecular mass of the organic glass is about 2 million, is a long chain of polymer compounds, and form a molecular chain is very soft, therefore, the strength of the organic glass is higher, tensile and impact resistant ability 7 ~ 18 times higher than common glass.
There is a heated and stretch the processed organic glass, one of the molecular chain arrangement is very good order, make the material toughness has improved significantly.
With a nail into the organic glass, even if the nail penetrated, organic glass cracks.
The organic glass was the bullet also not broken into pieces after breakdown.
Therefore, organic glass can be used as bulletproof glass of the drawing processing, is also used as a canopy on military aircraft.
3. Light weight.
The density of organic glass to 1.
18 kg/dm3, the size of the same material, the weight is only half of the common glass, aluminum,
Belong to light metals)
(4) easy to processing.
Organic glass not only can use lathe cutting, drilling, drilling machine and the bond into various shapes such as with acetone, chloroform, can also blow molding, plastic molding methods such as injection, extrusion processing into large canopy to aircraft, small to the false teeth and a variety of products such as plates.
Colored glass refers to present different colors of glass after joining colorant.
Join a colorant is to use common glass, if join the MnO2 as the purple;
CoO, Co2O3 firing purple;
FeO, K2Cr2O7 firing green;
Burn CdS, Fe2O3, SB2S3, yellow;
AuCl3, Cu2O firing red;
CuO, MnO2, CoO, a mixture of Fe3O4 burnt black;
CaF2, SnO2 firing milky white.
Coloring the amount of dose, and duration of molten temperature will be the color of the influence of different degree of firing depth.
Use of colloid colorants, such as gold, silver, copper, selenium, sulphur, etc. , make the tiny particles suspended in a glass body, make the coloring of glass.
No matter in the process of firing the colorants are in flux.
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