scholarly journals Role of glass transition temperature in color and textural changes of dried fig

2021 ◽  
Vol 18 (116) ◽  
pp. 221-229
Author(s):  
Fojan Badii ◽  
Keyword(s):  
Glass Transition ◽  
Transition Temperature ◽  
Glass Transition Temperature ◽  
Textural Changes

Investigating the role of GeO2 in enhancing the thermal stability and proton mobility of proton-conducting phosphate glasses

2021 ◽  
Author(s):  
Takahisa Omata ◽  
Aman Sharma ◽  
Takuya Kinoshita ◽  
Issei Suzuki ◽  
Tomohiro Ishiyama ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Glass Transition ◽  
Transition Temperature ◽  
Glass Transition Temperature ◽  
Phosphate Glasses ◽  
Proton Mobility ◽  
Proton Conducting

In this study, the effect of GeO2 on the thermal stability and proton mobility (μH) of proton-conducting phosphate glasses was experimentally investigated using 22HO1/2−3NaO1/2−(12−x)LaO3/2−xGeO2−63PO5/2 glasses. Increasing glass transition temperature (Tg)...

Rubber adhesion below the glass transition temperature: Role of frozen-in elastic deformation

2017 ◽  
Vol 120 (3) ◽  
pp. 36002 ◽  
Author(s):  
A.G. Akulichev ◽  
A. Tiwari ◽  
L. Dorogin ◽  
A. T. Echtermeyer ◽  
B. N. J. Persson
Keyword(s):  
Glass Transition ◽  
Transition Temperature ◽  
Glass Transition Temperature ◽  
Elastic Deformation

Raising glass transition temperature of polymer nanofilms as a function of negative interface energy

2019 ◽  
Vol 21 (9) ◽  
pp. 5224-5231
Author(s):  
Xue Yao ◽  
Yaru Wang ◽  
Xingyou Lang ◽  
Yongfu Zhu ◽  
Qing Jiang
Keyword(s):  
Glass Transition ◽  
Transition Temperature ◽  
Glass Transition Temperature ◽  
Interface Energy ◽  
Carbon Chain ◽  
Thermodynamic Approach

Based on a thermodynamic approach, glass transition temperature (Tg) of substrate-supported polymer nanofilms (s-PNFs) is investigated for carbon-chain polymers, taking the role of the interface energy into consideration.

Thermal Properties of Hyperbranched Polymer/HTPB-PU IPN

2013 ◽  
Vol 575-576 ◽  
pp. 76-80
Author(s):  
Xue Jing Song ◽  
Yun Jun Luo
Keyword(s):  
Differential Scanning Calorimetry ◽  
Glass Transition ◽  
Thermal Properties ◽  
Transition Temperature ◽  
Glass Transition Temperature ◽  
Melting Point ◽  
Hyperbranched Polymer ◽  
Isophorone Diisocyanate ◽  
Scanning Calorimetry

Hyperbranched polymer/HTPB-PU IPNs were prepared, when HTPB (hydroxyl-terminated polybutadiene) and IPDI (isophorone diisocyanate) were cured into polyurethane (HTPB-PU) at the existence of hyperbranched polymer. Differential scanning calorimetry (DSC) was adopted to study the influence of hyperbranched polymer on thermal properties of HTPB-PU, while IPNs were formed. The result shows that the existance of hyperbranched polymer makes glass transition temperature of HTPB-PU reduces by around 2°C and that HTPB-PU lowers the melting point of hyperbranched polymer. Hyperbranched polymer plays a role of internal plasticization on HTPB-PU, and HTPB-PU influences crystallization of hyperbranched polymer in return.

Influence of the photoinitiating system on the properties of photopolymerized methylmethacrylate: the role of the ketyl radical in type II photoinitiators

2021 ◽  
Author(s):  
V. Charlot ◽  
A. Ibrahim ◽  
M. Bessières ◽  
C. Croutxé-Barghorn ◽  
C. Delaite ◽  
...  
Keyword(s):  
Glass Transition ◽  
Transition Temperature ◽  
Glass Transition Temperature ◽  
Type Ii ◽  
Ketyl Radical

The photopolymerization of methylmethacrylate using different initiating systems strongly affects its glass transition temperature and dispersity.

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