Characteristics & Compatibility of Thermoplastics for Ultrasonic Welding
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Characteristics & Compatibility of Thermoplastics for Ultrasonic Welding - 2

Plasticizers are high-temperature boiling organicliquids or low-temperature melting solids which are added to resins to impart flexibility. They do this through their ability to reduce the intermolecular attractive forces of the polymer matrix. They can also interfere with a resins ability to transmit vibra- tory energy. Attempting to transmit ultrasonic vibra- tions through a highly plasticized material (such as vinyl) is like transmitting energy through a sponge. Even though plasticizers are considered an internal additive, they do migrate to the surface over time, and the combination of...

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