glass transition temperature


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glass transition temperature

[¦glas ‚tran′zish·ən ‚tem·prə·chər]
(physical chemistry)
The temperature at which a liquid changes to an amorphous or glassy solid.
References in periodicals archive ?
32) After soaking in water for 3 days at 20[degrees]C, the glass transition temperature of bisphenol A and Novolac coatings decreased to 42 [+ or -] 1 and 54 [+ or -] 1[degrees]C, respectively.
E 1356, "Assignment of Glass Transition Temperatures by DSC,"
The secondary glass transition temperature indicated the presence of partially miscible poly(AA)rich phases in this particular copolymer, as the glass transition temperature of poly(AA) is approximately 110[degrees]C (Mark, 1999).
The first, Extem UH, has the higher glass transition temperature (311[degrees]C) and better chemical resistance.
17) Hence, the temperature of the cloudy-clear transition in a film is time dependent and following it allows for a prediction of the polymer glass transition temperature.
When examining the thermal expansion of three 175[degrees]C glass transition laminates, he found that Product A exhibited more total Z-axis expansion than Product B because of a lower glass transition temperature.
Tra-Bond 223F01 does require curing temperatures of over 100[degrees]C and can develop a glass transition temperature of 133[degrees]C.
Blue Ash, Ohio, DMBZ-15 has a glass transition temperature of 414[degrees]C, 66[degrees]C higher than its next closest competitor PMR-15.
Using BCTMP in the furnish permits a lower glass transition temperature for hot soft calendered grades, allowing for lower calender temperature and pressure
According to OPM, the glass transition temperature of its semi-crystalline version of PEKK is around 335 F, or 4Q0 F higher than for PEEK.
Glass does not have a precise freezing point; rather, it has what's known as a glass transition temperature, typically a few hundred degrees Celsius.