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4 Polymer Insights from Dynamic Mechanical Analysis - Canadian Plastics

4 Polymer Insights from Dynamic Mechanical Analysis - Canadian Plastics
canplastics.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from canplastics.com Daily Mail and Mail on Sunday newspapers.

Dynamic Mechanical Analysis , Dynamic Mechanical , Mechanical Analysis , Polymer Insights , Fatigue Behavior , Woven Fiberglass Composites , Elevated Temperature , Polymer Solids , Glass Transition Temperatures ,

Wear and tear may cause firefighter gear to release more 'forever chemicals'

Wear and tear may cause firefighter gear to release more 'forever chemicals'
phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.

United States , John Kucklick , Andrew Maizel , Rick Davis , National Defense Authorization , Centers For Disease , National Institute Of Standards , National Institute , Defense Authorization , Disease Control , Polyfluoroalkyl Substances , Firefighter Turnout Gear Textiles Exposed , Elevated Temperature ,

"Characterization of mechanical and bonding properties of anchoring res" by Hadi Nourizadeh, Ali Mirzaghorbanali et al.

Resin anchored rock bolts are widely used in the construction and mining industries to support and reinforce underground roadways and openings. However, increasing the depth of underground openings, particularly in coal mines, has presented a challenge for ground control designers due to the rise in geothermal heat and coal seam combustion. This study aims to comprehensively investigate the mechanical properties, microstructure, thermal and curing characteristics of the anchoring resins using Thermogravimetric Analysis, Dynamic Mechanical Analysis, and Differential Scanning Calorimetry tests. Pullout tests were conducted on resin encapsulated rock bolts to quantify their bonding performance at elevated temperatures ranging from 20 °C to 250 °C. The results showed that the mechanical properties of the resins are closely related to the type of curing agent, filler type and size, and curing time. The compressive strength and elastic modulus of the anchoring materials ranged from 51 to 1 ....

Thermogravimetric Analysis , Dynamic Mechanical Analysis , Differential Scanning Calorimetry , Anchoring Resin , Onding Performance , Elevated Temperature , Ullout Tests , Rock Bolts ,