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2. Polyvinyl chloride - Wikipedia

   en.wikipedia.org/wiki/Polyvinyl_chloride

   In the early 1970s, the carcinogenicity of vinyl chloride (usually called vinyl chloride monomer or VCM) was linked to cancers in workers in the polyvinyl chloride industry. Specifically workers in polymerization section of a B.F. Goodrich plant near Louisville, Kentucky , were diagnosed with liver angiosarcoma also known as hemangiosarcoma , a ...

3. Shape-memory polymer - Wikipedia

   en.wikipedia.org/wiki/Shape-memory_polymer

   The phase showing the highest thermal transition, T perm, is the temperature that must be exceeded to establish the physical crosslinks responsible for the permanent shape. The switching segments, on the other hand, are the segments with the ability to soften past a certain transition temperature (T trans) and are responsible for the temporary ...

4. Chlorinated polyvinyl chloride - Wikipedia

   en.wikipedia.org/wiki/Chlorinated_polyvinyl_chloride

   CPVC sprinkler pipe inside a firestop mock-up. Chlorinated polyvinyl chloride (CPVC) is a thermoplastic produced by chlorination of polyvinyl chloride (PVC) resin.CPVC is significantly more flexible than PVC, and can also withstand higher temperatures.

5. EPDM rubber - Wikipedia

   en.wikipedia.org/wiki/EPDM_rubber

   Idealized EPDM polymer, red = ethylene-derived; blue = propylene-derived; black = ethylidene norbornene-derived. EPDM rubber (ethylene propylene diene monomer rubber) [1] [2] [3] is a type of synthetic rubber that is used in many applications.

6. Plastic extrusion - Wikipedia

   en.wikipedia.org/wiki/Plastic_extrusion

   Cross-section of a plastic extruder to show the screw Short video on injection molding (9 min 37 s). Plastics extrusion is a high-volume manufacturing process in which raw plastic is melted and formed into a continuous profile.

7. Polyvinyl acetate - Wikipedia

   en.wikipedia.org/wiki/Polyvinyl_acetate

   In bookbinding and book arts, due to its flexible strong bond and non-acidic nature (unlike many other polymers). The use of PVAc on the Archimedes Palimpsest during the 20th century greatly hindered the task of disbinding the book and preserving and imaging the pages in the early 21st century, in part because the glue was stronger than the ...