Publication number: 20180142048
Abstract: An intercalated, modified and calcined smectite clay comprising (a) pillars comprising aluminum and: (i) at least one rare earth or lanthanide group metal; or (ii) at least one rare earth or lanthanide group metal and gallium; and (b) at least one ion-exchanged metal selected from the group consisting of aluminum, barium, beryllium, calcium, cerium, cesium, copper, chromium, gadolinium, gallium, germanium, hafnium, holmium, iron (II and III), lanthanum, lithium, magnesium, manganese, neodymium, potassium, praseodymium, rubidium, samarium, silver, selenium, sodium, strontium, tellurium, terbium, thallium, thorium, tin, titanium, uranium, ytterbium, yttrium, zinc and zirconium; wherein the clay is characterized by a basal d001 spacing equal to or greater than about 18.5 angstroms; and processes for making.
Type:
Application
Filed:
May 9, 2016
Publication date:
May 24, 2018
Applicant:
W. R. Grace & Co.-Conn.
Inventors:
Michael D. Jensen, John Robert McCauley, Andrew G. Singleton, Demetrius Michos
Publication number: 20180142047
Abstract: Catalyst support-activator for olefin polymerization catalysts, and processes for making, the support-activator comprising an intercalated, modified and calcined smectite clay comprising (a) pillars comprising aluminum and optionally: (i) at least one rare earth or lanthanide group metal; or (ii) at least one rare earth or lanthanide group metal and gallium; and (b) at least one ion-exchanged metal ion selected from the group consisting of aluminum, barium, beryllium, calcium, cerium, cesium, copper, chromium, gadolinium, gallium, germanium, hafnium, holmium, iron (II and III), lanthanum, lithium, magnesium, manganese, neodymium, potassium, praseodymium, rubidium, samarium, silver, selenium, sodium, strontium, tellurium, terbium, thallium, thorium, tin, titanium, uranium, ytterbium, yttrium, zinc and zirconium. The pillared clay exhibits a basal d100 spacing of: (A) 9 to 18 angstroms; or (B) equal to or greater than about 18.5 angstroms.
Type:
Application
Filed:
May 9, 2016
Publication date:
May 24, 2018
Applicant:
W. R. Grace & Co.-Conn.
Inventors:
Michael D. Jensen, John Robert McCauley, Andrew G. Singleton, Demetrius Michos
Patent number: 9637575
Abstract: An olefin polymerization catalyst component comprising an internal electron donor compound shown in formula (I) below is provided in this disclosure: wherein X is O, S, NRa, PRb, or POORc, Ra is independently hydrogen, halogen, carbonyl hydrocarbon, linear or branched unsaturated or saturated alkyl hydrocarbon, cyclic, aromatic, or aliphatic hydrocarbon, Rb is independently hydrogen, halogen, carbonyl hydrocarbon, linear or branched unsaturated or saturated alkyl hydrocarbon, linear or branched unsaturated or saturated alkoxy hydrocarbon, cyclic, aromatic, or aliphatic hydrocarbon, Rc is independently hydrogen, carbonyl hydrocarbon, linear or branched unsaturated or saturated alkyl hydrocarbon, cyclic, aromatic, or aliphatic hydrocarbon, R1-R8 are identical or different hydrogen, halogen, linear or branched unsaturated or saturated C1-C30 alkyl, alone or in combination with C5-C30 substituted or unsubstituted 5-or 6-membered aliphatic or aromatic hydrocarbon rings, each of Ra, Rb, Rc, and/or R1-R8 are op
Type:
Grant
Filed:
December 31, 2014
Date of Patent:
May 2, 2017
Assignee:
W. R. GRACE & CO. -CONN.
Inventors:
Binh Thanh Nguyen, Jonas Alves Fernandes