Invention Grant
- Patent Title: Phenol free stabilization of polyethylene
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Application No.: US15352964Application Date: 2016-11-16
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Publication No.: US09963561B2Publication Date: 2018-05-08
- Inventor: Fraser D. Cole Waldie , Owen C. Lightbody , Tony Tikuisis , P. Scott Chisholm
- Applicant: NOVA Chemicals (International) S.A.
- Applicant Address: CH Fribourg
- Assignee: NOVA Chemicals (International) S.A.
- Current Assignee: NOVA Chemicals (International) S.A.
- Current Assignee Address: CH Fribourg
- Agent Julie L. Heinrich
- Priority: CA2913280 20151125
- Main IPC: C08J3/20
- IPC: C08J3/20 ; C08J5/18 ; C08K5/17 ; C08K5/18 ; C08K5/524 ; C08K5/526
Abstract:
This invention provides a process for the stabilization of thermoplastic polyolefins during melt processing operations. The stabilizer package of this invention is “phenol free” and comprises at least two selected phosphite stabilizers. In some embodiments, the process is suitable for the manufacture of polyethylene film.
Public/Granted literature
- US20170145171A1 PHENOL FREE STABILIZATION OF POLYETHYLENE Public/Granted day:2017-05-25
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