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1. (WO2019005261) HIGH STIFFNESS POLYPROPYLENE IMPACT COPOLYMER
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Pub. No.: WO/2019/005261 International Application No.: PCT/US2018/027088
Publication Date: 03.01.2019 International Filing Date: 11.04.2018
IPC:
C08L 23/12 (2006.01) ,C08F 2/00 (2006.01) ,C08F 4/654 (2006.01)
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
L
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
23
Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
02
not modified by chemical after-treatment
10
Homopolymers or copolymers of propene
12
Polypropene
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
F
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
2
Processes of polymerisation
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
F
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
4
Polymerisation catalysts
42
Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
44
selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths, or actinides
60
together with refractory metals, iron group metals, platinum group metals, manganese, technetium, rhenium, or compounds thereof
62
Refractory metals or compounds thereof
64
Titanium, zirconium, hafnium, or compounds thereof
65
Pretreating the metal or compound covered by group C08F4/64 before the final contacting with the metal or compound covered by group C08F4/44180
652
Pretreating with metals or metal-containing compounds
654
with magnesium or compounds thereof
Applicants:
EXXONMOBIL CHEMICAL PATENTS INC. [US/US]; 5200 Bayway Drive Baytown, TX 77520, US
Inventors:
BAUCH, Christopher, G.; US
EDWARDS, Todd, S.; US
Agent:
FAULKNER, Kevin, M.; US
BELL, Catherine, L.; US
ARECHEDERRA, Leandro; US
CROMWELL, Michael, A.; US
CHEN, Siwen; US
Priority Data:
62/525,34727.06.2017US
Title (EN) HIGH STIFFNESS POLYPROPYLENE IMPACT COPOLYMER
(FR) COPOLYMÈRE CHOC DE POLYPROPYLÈNE À RIGIDITÉ ÉLEVÉE
Abstract:
(EN) Disclosed is a polypropylene with an MFR of at least 20 g/10 min comprising a homopolypropylene and optionally within a range from 2 wt% to 30 wt% of an propylene-α- olefin copolymer by weight of the polypropylene; wherein the homopolypropylene has a MFR within a range from 30 g/10 min to 200 g/10 min, an Mw/Mn within a range from 7 to 16, and comprising 1.1 wt% or less atactic polypropylene based on the total weight of the homopolypropylene and atactic polypropylene, where the propylene-α-olefin copolymer has within a range from 30 wt% to 50 wt% α-olefin derived units by weight of the propylene-α- olefin copolymer, and an intrinsic viscosity within a range from 4 to 8 dL/g. The impact copolymer may be obtained by combining a Ziegler-Natta catalyst having at least two different internal electron donors with propylene in reactors in series to produce the homopolypropylene followed by a gas phase reactor to produce a propylene-a-olefin copolymer.
(FR) L'invention concerne un polypropylène ayant un indice de fluidité à chaud (MFR) d'au moins 20 g/10 min comprenant un homopolypropylène et éventuellement dans une plage de 2 % en poids à 30 % en poids d'un copolymère de propylène-a-oléfine rapporté au poids du polypropylène; l'homopolypropylène ayant un MFR dans une plage de 30 g/10 min à 200 g/10 min, un Mp/Mn dans une plage de 7 à 16, et comprenant 1,1 % en poids ou moins de polypropylène atactique rapporté au poids total de l'homopolypropylène et du polypropylène atactique, le copolymère de propylène-a-oléfine ayant dans une plage de 30 % en poids à 50 % en poids de motifs dérivés d'a-oléfine rapporté au poids du copolymère de propylène-a-oléfine, et une viscosité intrinsèque dans une plage de 4 à 8 dl/g. Le copolymère choc peut être obtenu par combinaison d'un catalyseur Ziegler-Natta ayant au moins deux donneurs d'électrons internes différents avec du propylène dans des réacteurs en série pour produire l'homopolypropylène, puis dans un réacteur en phase gazeuse pour produire un copolymère de propylène-a-oléfine.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)