Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Reexamination Certificate
2005-07-19
2005-07-19
Noori, Max (Department: 2855)
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
Reexamination Certificate
active
06918305
ABSTRACT:
The following method is used to measure the adhesion of a polymer binder to a heated metal surface:A metal plate is attached to a heated (350° F.; 177° C.) platform and allowed to equilibrate to the temperature of the platform. A polymer emulsion binder is applied to a substrate, such as cotton fabric, and an end of the coated substrate is attached to a tensile measuring apparatus. The coated side of the coated substrate is pressed onto the heated metal plate; e.g., using a 3-lb lab roller. After a length of time to cause drying and/or partial cure of the binder (approximately 30 seconds), the metal plate and the tensile measuring device are separated at a given uniform speed. The amount of force needed to remove the substrate from the metal plate is recorded.
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Goldstein Joel Erwin
Halat John Joseph
Pangrazi Ronald Joseph
Spivak Beth Rene′
Air Products Polymers, L.P.
Bongiorno Mary E.
Noori Max
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