SELF LUBRICATED CPVC RESIN WITH IMPROVED PROPERTIES
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United States of America Patent
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Apr 30, 2015
app pub date -
May 1, 2013
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May 1, 2012
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Abstract
The disclosed technology relates to a compound suitable for preparing articles, such as pipe, with good physical properties, such as impact strength, and resistance to environmental stress cracking (ESC). In particular, the technology relates to a vinyl chloride copolymer resin, such as chlorinated polyvinyl chloride or polyvinyl chloride, herein collectively referred to as CPVC that maintains suitable processability at molecular weights above which other vinyl chloride polymer resins will not flow. Furthermore, the invention relates to vinyl chloride copolymer compounds containing the vinyl chloride polymer resin, and articles made from such compounds, which compounds meet 23447 cell classifications under ASTM D1784.
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