PVC Resins and Compounds Discussed at AAMA Conference

Sylvia Moore

The American Architectural Manufacturers Association (AAMA) 2018 Fall Conference hosted Sylvia Moore, Shintech director of technical development, as a speaker. Moore discussed the variety of uses with PVC resins and compounds along with the importance of PVC sustainability efforts.

“This presentation is geared toward explaining the different attributes of PVC resins and how to evaluate resins coming into the plant,” said Moore. “It’s also about how the different attributes related to finished product quality and how different molecular weights of resins can affect properties and other additives when manufacturing a final PVC product.”

Moore delved into the history of PVC, noting that the material was first developed in 1926 and the first AAMA standard for vinyl doors and windows was created in 1986. She explained the different types of PVC resin, and a few different uses.

She even reviewed how different countries make resin, with the U.S. making it via the ethylene process, Europe using oil, and Asia (particularly China) uses both acetylene and ethylene processes.

“[Understanding additives and raw materials is] critical to being a successful manufacturer,” said Moore.

“Putting together your formulation is much like baking a cake,” she said. “PVC is a unique polymer in that you have to add a lot of things to it to get the products you want.”
This is why it is so well liked, she said, because it is so versatile.

“It can be flexible, it can be rigid, it can be weatherable, it can be put into airplanes,” she said. “The ingredients that go into a PVC formulation govern what products can be produced from it.”

“Your glazing beams and gaskets are flexible, as opposed to the frame itself, which is rigid and weatherable,” Moore added. “But it’s all made from PVC.”

More information about AAMA and its activities can be found via the AAMA website.

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