Ethylene copolymers and films thereof

C - Chemistry – Metallurgy – 08 – F

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C08F 210/16 (2006.01) C08F 4/642 (2006.01) C08J 5/18 (2006.01) C08L 23/08 (2006.01) C08L 23/16 (2006.01) C08F 4/659 (2006.01)

Patent

CA 2372537

Novel copolymers comprise ethylene and alpha olefins having from 3 to 10 carbon atoms and which have (a) a density in the range 0.900 to 0.940; (b) Mw/Mn of 2-3.4; (c) I21/I2 from 16 to 24; (d) activation energy of flow from 28 to 45 kJ/mol; (e) a ratio Ea(HMW)/Ea(LMW)>1.1; and (f) a ratio g'(HMW)/g'(LMW) from 0.85 to 0.95. The copolymers are particularly useful in film applications showing an excellent balance of processing, optical and mechanical properties. The novel polymers may suitably be prepared in the gas phase in the presence of metallocene complexes.

Divulgation de nouveaux copolymères comprenant de l'éthylène et des alpha-oléfines comportant de 3 à 10 atomes de carbone et ayant : a) une densité comprise entre 0,900 et 0,940; b) une valeur Mw/Mn comprise entre 2 et 3,4; c) une valeur I21/I2 comprise entre 16 et 24; d) une énergie d'activation de l'écoulement comprise entre 28 et 45 kJ/mol; e) un rapport Ea(HMW)/Ea(LMW) supérieur à 1,1; f) un rapport g'(HMW)/g'(LMW) compris entre 0,85 et 0,95. Ces copolymères sont tout particulièrement utiles pour des applications sous forme de films où ils présentent un équilibre remarquable de leurs propriétés de traitement et de leurs propriétés optiques et mécaniques. Ces nouveaux polymères peuvent être préparés de manière appropriée en phase gazeuse en présence de complexes métallocènes.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Ethylene copolymers and films thereof does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Ethylene copolymers and films thereof, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ethylene copolymers and films thereof will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1850613

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.