公开(公告)号：US11021416B2

公开(公告)日：2021-06-01

申请号：US15028780

申请日：2014-12-24

Applicant: versalis S.p.A.

Inventor： Aldo Bosetti ,  Sergio Francantonio Lombardini ,  Gianni Girotti

IPC: C07C1/207 ,  C10G3/00 ,  C07C67/333 ,  C07C67/03 ,  C10L1/02 ,  C11C3/14 ,  C11C3/00 ,  C07C7/04 ,  C10G45/60 ,  C10L1/04

Abstract: The present invention relates to a process for the production of olefinic compounds that can be used for the production of detergents, additives, lubricants and/or plastic materials, or components which can be used in the field of oil explorations and productions, and a hydrocarbon fuel or a fraction thereof, which comprises subjecting a mixture of glycerides having at least one unsaturated hydrocarbon chain, to metathesis reaction and, after separating the olefinic mixture obtained, effecting a hydrodeoxygenation and subsequently hydroisomerization process, so as to obtain the hydrocarbon fuel or a fraction thereof.

公开(公告)号：US10920033B2

公开(公告)日：2021-02-16

申请号：US16314047

申请日：2017-07-28

Applicant: Versalis S.p.A.

Inventor： Giovanni Cuder ,  Stefano Comba ,  Aldo Longo

IPC: C08J9/14 ,  C08J9/18 ,  C08J9/00 ,  C08J9/232

Abstract: The present invention relates to polymeric compositions that can be used for producing packaging with dynamic cushioning, with a pleasant touch, with reduced abrasive power, in which the expanded particles constituting the packaging adhere well to one another and do not come detached during use. Said compositions comprise: a) from 70% to 90% by weight of a vinyl aromatic polymer and/or copolymer, calculated with respect to (a)+(b); b) from 10% to 30% by weight of an ethylene-vinyl acetate copolymer (EVA) containing a percentage that ranges from 10% to 30% by weight of vinyl acetate, calculated with respect to (a)+(b); c) from 3 to 10 parts by weight of a blowing agent, calculated on 100 parts of component a) added to component b); said copolymer (b) being distributed in the polymer (a) in the form of particles having an average volumetric diameter ranging from 1 nm to 2000 nm. The compositions described and claimed do not include styrene-butadiene or styrene-isoprene block copolymers, hydrogenated or non-hydrogenated; thermoplastic polyurethanes, polystyrene-butadiene grafted polymers or styrene core-shell polymers.

公开(公告)号：US20200369805A1

公开(公告)日：2020-11-26

申请号：US16962056

申请日：2019-01-16

Applicant: VERSALIS S.P.A.

Inventor： Giovanni Ricci ,  Anna Sommazzi ,  Guido Pampaloni ,  Giuseppe Leone ,  Francesco Masi

IPC: C08F136/08 ,  C07F15/02 ,  B60C1/00 ,  A43B1/10

Abstract: Process for the preparation of polyisoprene with a mainly alternating cis-1,4-alt-3,4 structure comprising polymerizing isoprene in the presence of a catalytic system comprising: (a) at least one pyridyl iron complex having general formula (I): wherein: R1 is selected from linear or branched C1-C20, preferably C1-C15, alkyl groups, optionally substituted cycloalkyl groups, optionally substituted aryl groups; R2 is selected from linear or branched C1-C10, preferably C1-C3, alkyl groups; X, mutually identical or different, represent a halogen atom such as, for example, chlorine, bromine, iodine; or they are selected from linear or branched C1-C20, preferably C1-C15, alkyl groups, —OCOR3 groups or —OR3 groups wherein R3 is selected from linear or branched C1-C20, preferably C1-C15, alkyl groups. n is 2 or 3; (b) at least one co-catalyst selected from organo-derivative compounds of aluminum, preferably from (b1) aluminoxanes having general formula (II): (R4)2—Al—O—[—Al(R5)—O—]m—Al—(R6)2  (II) wherein R4, R5 and R6, mutually identical or different, represent a hydrogen atom, or a halogen atom such as, for example, chlorine, bromine, iodine, fluorine; or they are selected from linear or branched C1-C20 alkyl groups, cycloalkyl groups, aryl groups, said groups being optionally substituted with one or more silicon or germanium atoms; and m is an integer ranging from 0 to 1000; (b2) aluminum compounds having general formula (III): Al(R7)(R8)(R9)  (III) wherein R7 is a hydrogen atom, or is selected from linear or branched C1-C20 alkyl groups, cycloalkyl groups, aryl groups, alkylaryl groups, arylalkyl groups, alkoxy groups; R8 and R9, mutually identical or different, are selected from linear or branched C1-C20 alkyl groups, cycloalkyl groups, aryl groups, alkylaryl groups, arylalkyl groups; wherein the molar ratio between the aluminum present in the co-catalyst and the iron present in the iron pyridyl complex having general formula (I) is ranging from 5 to 60, preferably from 8 to 55.

公开(公告)号：US20200346368A1

公开(公告)日：2020-11-05

申请号：US16958207

申请日：2018-12-21

Applicant: VERSALIS S.P.A.

Inventor： Riccardo FELISARI ,  Sara GAVIOLI ,  Riccardo INGLESE

IPC: B29B9/06 ,  B29C48/04 ,  B29B9/12 ,  B29C48/00 ,  B29C48/08 ,  B29C48/92 ,  B29C48/25

Abstract: Circuit and to a process for managing transients and process and product anomalies in a plant for production of granulated expandable polymers EPS or extruded polymers XPS, said circuit being placed e.g. in a granulation plant along which are positioned: a mixing device suitable for mixing additives and expanding agent within a stream of molten polymer; a granulator or an extrusion device positioned downstream of said mixing device; a deviation valve suitable for molten polymers placed along the line connecting said mixing device to said granulator or to said extrusion device upstream of said granulator or extruder, said deviation valve being provided with at least one inlet (A), a Stand-by position (A→C) and a Run position (A→B), said circuit further comprising a heating device downstream of said valve, a separation device downstream of said heating device suitable for physically separating the blowing agent from the polymer and any additives present therein, and a cooling device positioned between said separation device and said mixing device.

公开(公告)号：US20200207891A1

公开(公告)日：2020-07-02

申请号：US16634122

申请日：2018-07-25

Applicant: Versalis S.P.A.

Inventor： Anna SOMMAZZI ,  Giovanni RICCI ,  Giuliano FISCALETTI ,  Francesco MASI ,  Giuseppe LEONE

IPC: C08F136/06 ,  C07F15/06

Abstract: Process for the preparation of 1,2 syndiotactic polybutadiene comprising polymerizing 1,3-butadiene in the presence of a catalytic system comprising: at least one cobalt complex with a phosphine ligand having general formula (I): wherein: R1, R2 and R3, mutually identical or different, are selected from branched C4-C20 alkyl groups, preferably C4-C15, C6-C30 cycloalkyl groups, preferably Ce-Cis, said cycloalkyl groups being substituted, C6-C30 aryl groups, preferably Ce-Cis, optionally substituted; provided that at least two of R1, R2 and R3 are selected from C6-C30 aryl groups, preferably Ce-Cis, optionally substituted; X1 and X2, mutually identical or different, represent a halogen atom such as, for example, chlorine, bromine, iodine; at least one aluminoxane having general formula (II): (R4)2-AI-0-[-AI(R5)-0-]m-AI-(R6)2 (II) wherein R4, R5 and R6, mutually identical or different, represent a hydrogen atom, or a halogen atom such as, for example, chlorine, bromine, iodine, fluorine; or are selected from linear or branched C1-C20 alkyl groups, cycloalkyl groups, aryl groups, said groups being optionally substituted with one or more silicon or germanium atoms; and m is an integer ranging from 0 to 1000; said process being carried out at a temperature ranging from 0° C. to +60° C., preferably ranging from 0° C. to +30° C.

公开(公告)号：US10654952B2

公开(公告)日：2020-05-19

申请号：US15741896

申请日：2016-07-28

Applicant: Versalis S.P.A.

Inventor： Anna Sommazzi ,  Guido Pampaloni ,  Giovanni Ricci ,  Francesco Masi ,  Giuseppe Leone

IPC: C08F36/08 ,  C08F4/642 ,  C08F4/643 ,  C08F36/06 ,  C07F7/28 ,  C07F7/00 ,  C07D221/00 ,  C08F4/64

Abstract: Disclosed are nitrogen titanium complexes having general formula (I) or (II). Catalytic systems that include the nitrogen titanium complexes and that can be used for the (co)polymerization of conjugated dienes are disclosed. Processes for (co)polymerization of conjugated dienes using the catalytic systems are also disclosed.

公开(公告)号：US20190270832A1

公开(公告)日：2019-09-05

申请号：US16343716

申请日：2017-10-20

Applicant: Versalis S.p.A.

Inventor： Giovanni RICCI ,  Guido PAMPALONI ,  Anna SOMMAZZI ,  Massimo GUELFI ,  Francesco MASI

IPC: C08F36/06 ,  C07F15/02 ,  C08F36/08

Abstract: A process for preparing conjugated diene (co)polymers comprising polymerizing at least one conjugated diene in the presence of a catalytic system comprising: (a) at least one pyridyl iron (III) complex having general formula (I) or (II): wherein: —R1, R2, R3 and R4, identical or different, represent a hydrogen atom; or are selected from linear or branched, optionally halogenated C1-C20, preferably C1-C15, alkyl groups, optionally substituted cycloalkyl groups, optionally substituted aryl groups; —R5 represents a hydrogen atom, or is selected from linear or branched, optionally halogenated C1-C20, preferably C1-C15, alkyl groups, optionally substituted cycloalkyl groups, optionally substituted aryl groups; —X, identical or different, represent a halogen atom such as, for example, chlorine, bromine, iodine; or are selected from linear or branched C1-C20, preferably C1-C15, alkyl groups, —OCOR6 groups or —OR6 groups wherein R6 is selected from linear or branched C1-C20, preferably C1-C15, alkyl groups. —n is 3; (b) at least one co-catalyst selected from organo-aluminum derivatives, preferably from: (b1) aluminum compounds having general formula (III): Al(R7)(R8)(R9) (IIl) wherein R7 represents a hydrogen atom, or is selected from linear or branched C1-C20 alkyl groups, cycloalkyl groups, aryl groups, alkylaryl groups, arylalkyl groups, alkoxy groups; R8 and R9, identical or different, are selected from linear or branched C1-C20 alkyl groups, cycloalkyl groups, aryl groups, alkylaryl groups, arylalkyl groups; (b2) aluminoxanes having general formula (IV): (R10)2—Al—O—[-AI(R11)—O-]m-AI-(R12)2 (IV), wherein R10, R11 and R12, identical or different, represent a hydrogen atom, or a halogen atom such as chlorine, bromine, iodine, fluorine; or are selected from linear or branched C1-C20 alkyl groups, cycloalkyl groups, aryl groups, said groups being optionally substituted with one or more silicon or germanium atoms; and m is an integer ranging from 0 to 1000; (b3) partially hydrolyzed organo-aluminum derivatives; (b4) haloaluminum alkyls having general formula (V) or (VI): AI(R13)p(X′)3-p (V) AI2(R13)q(X′)3-q (VI) wherein p is 1 or 2; q is an integer ranging from 1 to 5; R13, identical or different, are selected from linear or branched C1-C20 alkyl groups; X′ represents a chlorine or bromine atom, preferably chlorine; provided that said co-catalyst (b) is not selected from organo-boron derivatives.

公开(公告)号：US20180371112A1

公开(公告)日：2018-12-27

申请号：US16062178

申请日：2016-12-13

Applicant: Versalis S.p.A.

Inventor： Cecilia QUERCI ,  Maria CALDARARO ,  Mirko OLIOSI ,  Matteo RUSSO

IPC: C08C1/06 ,  C08C1/075 ,  C08L7/02 ,  C08J99/00

Abstract: The present invention relates to the sector of the industry for extracting and processing natural rubber, and other components, from plant material. In particular, the invention relates to a process for extracting resin and rubber from guayule and/or guayule type plants, which comprises harvesting, preserving and mechanically and chemically treating the parts of the plant, applicable both in the laboratory and on an industrial scale, characterized by significantly high quantity yields and high quality of the extracted products.

公开(公告)号：US20180362671A1

公开(公告)日：2018-12-20

申请号：US16061948

申请日：2016-12-13

Applicant: Versalis S.p.A.

Inventor： Tommaso PRANDO ,  Giovanni REGATTIERI ,  Maria PARISI ,  Dario GHIDONI

IPC: C08C1/04 ,  C08C2/02 ,  C08L7/02

Abstract: The present invention relates to a process for separating natural rubber deriving from non-Hevea type plants, in the form of solid crumbs, from solutions in an organic solvent system including it, where said organic solvent system may comprise at least one nonpolar organic solvent, or a mixture of at least one non-polar organic solvent and at least one polar organic solvent, and the concomitant removal of said organic solvent system from said rubber, where the aforementioned process comprises subjecting said solution to a stripping stage by means of water vapor, in presence of a dispersing system, separating the aforementioned crumbs of natural rubber from the liquid phase, obtained through the stripping stage, and subjecting said crumbs to drying.

公开(公告)号：US10087297B2

公开(公告)日：2018-10-02

申请号：US14441673

申请日：2013-11-15

Applicant: Versalis S.P.A.

Inventor： Alessandro Casalini ,  Aldo Longo ,  Antonio Ponticiello ,  Giuditta Vannucci

IPC: C08F212/08 ,  C08F293/00 ,  C08F8/06 ,  C08J9/00 ,  C08K3/04 ,  C08K5/00 ,  C08L25/06 ,  C08L25/08 ,  C08L51/04 ,  C08L51/06 ,  C08L53/00

Abstract: The present invention relates to a self-extinguishing polymeric composition comprising: a) a stabilizing polymeric composition containing i) from 80% to 99.5% by weight of one or more vinylaromatic polymers compatible with each other; and ii) from 0.5% to 20% by weight of at least one block copolymer containing: 1) at least one vinylaromatic polymer block compatible N with (i) and constituting a weight quantity equal to or higher than 15% by weight with respect to the whole block copolymer, and 2) at least one vinyl copolymer block containing epoxy groups so that there is from 0.7% to 19% by weight of oxirane oxygen calculated on the total of block copolymer; and b) from 0.03 phr by weight to 10 phr by weight, calculated on the basis of component (a), of at least one halogenated flame retardant.