or
Bookmark and Share
Process for the maleation of polyethylene waxes
   
Document Number
US Patent 5551974
Issued Date
September 3, 1996
Link
Inventors
Map
Abstract
A process for the preparation of a maleated polyethylene wax is disclosed. This process entails mixing in the melt phase polyethylene, maleic anhydride, free radical initiator and a chain transfer agent m-di-isopropylbenzene. This process can be a continuous process either in a stirred reactor or twin screw extruder. The resulting maleated polyethylene wax has a high acid number, essentially no objectionable odor, and a Gardner color number less than 3.
Tags:
Description:
Amusing 0%
Clever 0%
Complex 0%
Efficient 0%
Historic 0%
Important 0%
Innovative 0%
Interesting 0%
Practical 0%
Simple 0%
Number of Claims:
7
Comments:
no comments yet
Owner
Eastman Chemical Company (Kingsport, TN)
Published
September 3, 1996
Application Number
08/543,765
Filed
October 16, 1995
US Classification
106/271   106/10
Int'l Classification
C08F   255/00   (20060101)   C08F   255/02   (20060101)   C08F   8/00   (20060101)   C08F   8/46   (20060101)  
Examiner
Parent Case
This is a file-wrapper continuation application of application Ser. No. 08/435,915, filed May 5, 1995 now abandoned which is a divisional of application 08/168,542 filed Dec. 16, 1993 which issused as U.S. Pat. No. 5,420,303 on May 30, 1995.
USPTO Field of Search
549/233   549/255   525/285   526/272   106/271   106/10  
Related Patents
Claims
Description
About| FAQs| Terms & Disclaimer| Link to Us| Contact Us