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A computer-controlled bending system has been constructed for characterizing the bending properties of commercial membranes composed of polymer-bitumen blends supported by a non-woven polyester type base. The system allows the bending elasticity and yield point to be obtained for a membrane, and also permits the stress relaxation after a distortion to be characterized. These properties are related to the polymer present in the bitumen.

Посилання на статтю:

Studies on membranes composed of polymer-bitumen blends / Allan H. Fawcett and Sze-Keung Lor // Polymer. – 1992. – Vol 33. – P. 2003-2006.

Studies on membranes composed of polymer-bitumen blends - Завантажити.