A method for reducing sheeting during polymerization of alpha-olefins by feeding either a positive charge generating or negative charge generating chemical additive to the reactor responsive to particular static levels in the reactor. The chemical additive is added in amounts which neutralize the charges in the reactor.Web

Method for reducing sheeting during polymerization of alpha-olefins FR2646426B2 (fr) * : : Bp Chemicals Sa ... Method for reducing sheeting and static charges during polymerization of ethylene polymers US5416175A (en) * : : Union Carbide Chemicals & Plastics Technology Corporation ...Web

EP0224479B1 EP85902902A EP85902902A EP0224479B1 EP 0224479 B1 EP0224479 B1 EP 0224479B1 EP 85902902 A EP85902902 A EP 85902902A EP 85902902 A EP85902902 A EP ...Web

The I–V curves under forward and reverse bias are shown in Fig. 2, which …Web

Method for reducing sheeting during polymerization of alpha-olefins. 0366823 - …Web

29.1.4 Problem 4—Static Charge Buildup on Sheet. Static charge can build up on the sheet as it is being processed either through a three-roll stack or over individual chill rolls, creating surface contamination by attracting airborne foreign material. Proper equipment grounding plus an alternative method, such as copper gauze running across ...Web

during polymerization sheeting during reactor Prior art date Application number MYPI88001269A Other languages English (en) Inventor Gregory Goode Mark Edward Spriggs Thomas James Mcneil Thomas Mark Hasenberg Daniel Original Assignee Union Carbide Corp Priority date (The priority date is an assumption and is not …Web

A method for reducing sheeting during polymerization of alpha-olefins in a fluidized bed employing catalysts prone to cause sheeting which comprises feeding a material carrying a static electric charge opposite to the static charge in said bed, said opposite charge of said material being generated by passing said material in contact with a surface adapted …Web

Significant static charges can also cause operator shocks, interruption of process control …Web

A method for reducing sheeting during polymerization of alpha-olefins by feeding …Web

Various tips and recommendations are provided on how to reduce the effects of static in a weighing environment. In addition, established solutions for deionisation of the weighing vessel or sample …Web

during polymerization sheeting during reducing sheeting Prior art date Application number GR90401200T Other languages Greek (el) Inventor Mark Gregory Goode Daniel Mark Hasenberg Thomas James Mcneil Thomas Edward Spriggs Original Assignee Union Carbide Corp Priority date (The priority date is an assumption …Web

during polymerization sheeting during reducing sheeting Prior art date Application number EG56688A Other languages English (en) Inventor Mark G Goode Original Assignee Union Carbide Corp Priority date (The priority date is an assumption and is not a legal conclusion.Web

a method to reduce the layer of protection during the polymerization of alpha-olefins in a low pressure fluidized bed reactor using components based on titanium or vanadium duration of aluminroid duration aluminrode in a quantity enough to maintain the electrostatic levels in place of the possible layer formation at levels that avoid the layer of protection …Web

A method for reducing sheeting during polymerization of alpha-olefins by feeding either a positive charge generating or negative charge generating chemical additive to the reactor responsive to particular static levels in the reactor. The chemical additive is added in amounts which neutralize the charges in the reactor.Web

during polymerization sheeting during reducing sheeting Prior art date Application number EG56688A Inventor Mark G Goode Original Assignee Union Carbide Corp Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the ...Web

US4855370A US06/914,443 US91444386A US4855370A US 4855370 A US4855370 A US 4855370A US 91444386 A US91444386 A US 91444386A US 4855370 A US4855370 A US 4855370A Authority US UniteWeb

ES2058214T3 ES88118338T ES88118338T ES2058214T3 ES 2058214 T3 ES2058214 T3 ES 2058214T3 ES 88118338 T ES88118338 T ES 88118338T ES 88118338 T ES88118338 T ES 88118338T ES 2058214 T3 ES2058214 T3 ES 2058214T3 Authority ES Spain Prior art keywords alfa olefin polymerization reduce layer exfoliation during Prior art date 1986 …Web

What is claimed is: 1. An improvement in the method for polymerization of alpha-olefins in a fluidized bed reactor utilizing titanium based catalysts prone to cause sheeting during said polymerization, the improvement comprising maintaining the static electric charge in said reactor at the site of possible sheet formation below static voltage levels which would …Web

Method for reducing sheeting during polymerization of alpha-olefins. 0366823 - EP88118338B1 - EPO . Application Nov 03, 1988 - Publication Sep 15, 1993 John Richard Chirillo Peder Eugene McHattie Kellam Cleatus KimbroughWeb

Methods of static control. Various strategies can be employed to control …Web

a method for reducing sheeting during polymerization of alpha-olefins by feeding either a positive charge generating or negative charge generating chemical additive to the reactor responsive to particular static levels in the reactor. the chemical additive is added in amounts which neutralize the charges in the reactor.Web

during polymerization sheeting during reducing sheeting Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number AU24656/88A Other versions AU620824B2 (en …Web

Method for reducing sheeting during polymerization of alpha-olefins Info ... South Africa Prior art keywords olefins alpha during polymerization sheeting during reducing sheeting Prior art date Application number ZA888288A Other languages English (en) Inventor Mark Gregory Goode Gregory Goode Mark Daniel Mark HawenbergWeb

A method for reducing sheeting during polymerization of an alpha-olefin by feeding either a positive charge generating (MgO, ZnO, Al 2 O 3, CuO, and mixtures thereof) or a negative charge generating (V 2 O 5, SiO 2, TiO 2, Fe 2 O 3, and mixtures thereof) inorganic chemical additive to the reactor responsive to particular static levels in the reactor.The …Web

BiScO 3-PbTiO 3 (BS-PT) system has been extensively investigated over …Web

1. Add baking soda to the wash. Add ¼ cup of baking soda to your clothes before starting the washing cycle. Baking soda creates a barrier between positive and negative charges from building up and creating static. Depending on the size of the laundry load, you may need to adjust the amount of baking soda you add in.Web

US4803251A US07/116,538 US11653887A US4803251A US 4803251 A US4803251 A US 4803251A US 11653887 A US11653887 A US 11653887A US 4803251 A US4803251 A US 4803251A Authority US UniteWeb