Invention Grant
- Patent Title: Polyvinyl chloride pipe
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Application No.: US16092083Application Date: 2017-04-19
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Publication No.: US10647843B2Publication Date: 2020-05-12
- Inventor: Michael T. Petr , Steven R. Rapacki
- Applicant: Rohm and Haas Company
- Applicant Address: US PA Collegeville
- Assignee: Rohm and Haas Company
- Current Assignee: Rohm and Haas Company
- Current Assignee Address: US PA Collegeville
- Agent Reid S. Willis
- International Application: PCT/US2017/028333 WO 20170419
- International Announcement: WO2017/184709 WO 20171026
- Main IPC: C08L27/06
- IPC: C08L27/06 ; F16L9/127 ; F16L9/12

Abstract:
The present invention relates to non-oriented and oriented polyvinyl chloride pipe comprising: a) polyvinyl chloride; b) from 2 to 5 parts by weight of polymeric processing aid per 100 parts by weight of the polyvinyl chloride; and c) from 1.6 to 2.0 parts by weight percent of a paraffin wax per 100 parts by weight of the polyvinyl chloride. The polyvinyl chloride pipe of the present invention comprises a concentration of paraffin wax lubricant (>1.5 parts per 100 parts polyvinyl chloride) heretofore unrecognized in the art, without the loss of key physical properties.
Public/Granted literature
- US20190092935A1 POLYVINYL CHLORIDE PIPE Public/Granted day:2019-03-28
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