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公开(公告)号：US20210054468A1
公开(公告)日：2021-02-25
申请号：US16964703
申请日：2019-01-23
申请人： VERSALIS S.P.A.
IPC分类号： C13K13/00
摘要： Process for the production of sugars from biomass derived from guayule plants comprising placing an amount of said biomass (G2) (g) in contact with an amount of water (G1) (g) and with at least one organic acid, and optionally at least one inorganic acid, obtaining a mixture, said at least one organic acid and said at least one inorganic acid optionally present being used in such amounts that the total moles of said at least one organic acid and said at least one inorganic acid optionally present (mTOT) contained in said mixture are calculated according to the following equation (1): mTOT=m1+m2 (1) wherein m1 and m2 are defined according to the following equations (2) and (3), respectively: m1=R1·G1 (2) m2=R2·G2 (3) wherein: R1 (mmol/g) is the ratio between a first amount of said at least one organic acid (mmol) and a first amount of said at least one inorganic acid (mmol) optionally present and the amount of water G1 (g) used, R1 being between 0.06 mmol/g and 0.25 mmol/g, preferably between 0.09 mmol/g and 0.18 mmol/g, said first amount of said at least one organic acid (mmol) and said first amount of said at least one inorganic acid (mmol) optionally present being dependent upon the amount of water G1 (g); R2 (mmol/g) is: in the absence of said at least one inorganic acid, the ratio between a second amount of said at least one organic acid (mmol) and the amount of biomass G2 (g) used; or in the presence of said at least one inorganic acid, the ratio between the sum of said second amount of said at least one organic acid (mmol) and of a second amount of said at least one inorganic acid (mmol) and the amount of biomass G2 (g) used; or in the presence of said second amount of said at least one inorganic acid (mmol) and in the absence of said second amount of said at least one organic acid (mmol), the ratio between said second amount of said at least one inorganic acid (mmol) and the amount of biomass G2 (g) used; said second amount of said at least one organic acid (mmol) and said second amount of said at least one inorganic acid (mmol) being dependent upon the amount of biomass G2 (g); R2 being between 0.90 R (mmol/g) and 1.10 R (mmol/g), preferably between 0.95 R (mmol/g) and 1.05 R (mmol/g), R being determined by the following algorithm (4), said algorithm (4) being obtained through the following elementary operations: (i) preparing a volume V (I) of an aqueous solution of said at least one organic acid and of said at least one first amount of said at least one inorganic acid (mmol) optionally present, said aqueous solution having a pH(1) lower than 7, preferably between 0.7 and 3; (ii) adding an amount of biomass Q (g), dried at 120° C. for 15 hours, to the aqueous solution obtained in (i), said amount of biomass being preferably lower than or equal to 60% by weight, more preferably between 2% by weight and 40% by weight, with respect to the total weight of the mixture obtained; (iii) measuring the pH of the mixture obtained in (ii), said pH being referred to below as pH(2); (iv) determining R according to the following algorithm (4): R=(10−pH(1)−10−pH(2))·1000·V/Q) (4) wherein pH(1), pH(2), V and Q have the same meanings as above, the above elementary operations being carried out at room temperature; provided that said at least one organic acid is present in an amount such that the RMINIMUM ratio (mmol/g) defined according to the following equation (5): RMINIMUM=mORGANIC ACID/G2 (5) wherein mORGANIC ACID are the mmol of organic acid present and G2 has the same meaning as above, is higher than or equal to 0.20 mmol/g, preferably higher than or equal to 0.25 mmol/g and, if said at least one inorganic acid is present, said mmol of organic acid (mORGANIC ACID) are present in an amount smaller than the sum of the two amounts of acid, that is the sum of the amount of inorganic acid (mmol) and of the amount of organic acid (mmol), said sum corresponding to the total moles MTOT (mmol) as defined in equation (1) above.
The sugars thus obtained may advantageously be used as sources of carbon in fermentation processes for the production of alcohols (e.g., ethanol, butanol), lipids, diols (e.g., 1,3-propanediol, 1,3-butanediol, 1,4-butanediol, 2,3-butanediol), or in chemical synthesis processes for the production of other intermediates or chemicals. Said alcohols and lipids may in turn advantageously be used in the production of biofuels (e.g., biodiesel or “Green Diesel”), which may be used as such or in blends with other automotive fuels, while said diols may be used in the production of products such as, for example, bio-butadiene, which may in turn be used in the production of rubbers (e.g., polybutadiene or its copolymers). Said uses are particularly important in the case of a biorefinery.-
公开(公告)号：US20200291191A1
公开(公告)日：2020-09-17
申请号：US15779686
申请日：2016-12-02
申请人： versalis S.p.A. , ENI S.p.A.
摘要： The present invention relates to an aqueous emulsion comprising: a) from 50% to 60% of an organic phase dispersed in an aqueous phase, said organic phase containing a mixture including from 24% to 30%, calculated with respect to the final emulsion, of ethylene-vinyl acetate copolymers and/or polyalkyl(meth)acrylates, indicated in the present description as polymeric component, and a high-boiling organic solvent, or a mixture of said solvents; b) a primary emulsifier at a concentration higher or equal to 0.1% and lower than or equal to 3% by weight, calculated with respect to the final emulsion; c) from 37% to 47% of an aqueous phase; wherein the ratio between said polymer component and said organic solvent in the final aqueous emulsion is at least 1/1 and where the organic solvent and any polymer of the polymeric component have a Hildebrand solubility parameter δ such that, the difference (δsolvent_δpolymer) is lower than 2 in absolute value for any polymer of the polymeric component.
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公开(公告)号：US10738232B2
公开(公告)日：2020-08-11
申请号：US15564079
申请日：2016-04-01
申请人： Versalis S.p.A. , Eni S.p.A.
IPC分类号： C09K8/524
摘要： A mixture comprising: a) from 0% to 95% of aromatic compounds and/or polycyclic aromatic compounds, said polycyclic aromatic compounds, if present, always being in an amount less than 10% with respect to component (a); b) from 0% to 85% of a mixture containing aliphatic compounds and a content of aromatic compounds lower than 30% with respect to (b); c) from 0% to 20% of an acetate component; d) from 1% to 50% of a mixture of compounds containing keto groups; with the proviso that said solvent mixture contains at least three components, one of which is (d) and the other two selected from (a), (b) or (c) and that their sum is always 00%; and with the proviso that said mixture has a solubility, measured with the Hansen parameters, characterized in that the dispersion force component of the solubility δd varies from 17 to 20 Mpa{circumflex over ( )}0.5 the polar force component of the solubility δp varies from 0.65 to 5 Mpa{circumflex over ( )}0.5, and the strength of the hydrogen bond component of the solubility δh varies from 0.65 to 5 MPa{circumflex over ( )}0.5.
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公开(公告)号：US10738135B2
公开(公告)日：2020-08-11
申请号：US16062178
申请日：2016-12-13
申请人： Versalis S.p.A.
发明人： Cecilia Querci , Maria Caldararo , Mirko Oliosi , Matteo Russo
摘要： 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.
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公开(公告)号：US10584299B2
公开(公告)日：2020-03-10
申请号：US15304757
申请日：2015-04-16
申请人： ENI S.P.A. , Versalis S.P.A.
发明人： Marcello Notari , Claudio Cavallo , Alberto Roselli , Alessandro Casnati , Francesco Sansone , Alessandro Burlini
IPC分类号： C10M119/02 , C08G81/02 , C10M159/00 , C08C19/02
摘要： Hydrogenated polymers with a radial structure having a core made up of calixarenes of the general formula (I), to the core of which is linked a number P of hydrogenated linear polymer segments selected from: —hydrogenated homopolymers or copolymers of conjugated dienes; or —hydrogenated copolymers of said conjugated dienes and monoalkenyl arenes, and —mixtures thereof said formula (I) in which: —R1, R2, R3 and R4 are independently selected from hydrogen; a group containing carbon and hydrogen; a group also containing heteroatoms in addition to carbon and hydrogen; a group also containing silicon in addition to carbon, hydrogen and heteroatoms; —one of the two substituents R5 and R6 is hydrogen, while the other may be hydrogen or alkyl, with a number of carbon atoms between 1 and 6, preferably methyl and ethyl; —n is an integer in the range between 4 and 16.
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116.发明申请公开(公告)号：US20190201807A1
公开(公告)日：2019-07-04
申请号：US16323694
申请日：2016-08-11
发明人： Gabriele GATTI , Jiye WANG , Claudio CAVALLO , Jianjun SONG
摘要： Process for the purification of the solvent deriving from the production of an elastomeric blend comprising the following steps: .(a) optionally, subjecting said solvent to a pre-washing (2) in the presence of at least one acid or basic aqueous solution; .(b) feeding said solvent to a liquid-liquid separation column (7); .(c) feeding the stream leaving the head of said liquid-liquid separation column (7) to an azeotropic distillation column (21); .(d) feeding the stream withdrawn laterally (side-withdrawal) from said azeotropic distillation column (21) to an adsorption section (34a/b); Said process allows to obtain a polymer grade solvent having a quality suitable for being used indifferently and contemporaneously in various types of production plants of elastomeric (co)polymers, i.e. in plants wherein an anionic (co)polymerization is carried out, and also in plants wherein a Ziegler-Natta (co)polymerization is carried out.
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公开(公告)号：US10329216B2
公开(公告)日：2019-06-25
申请号：US15026924
申请日：2014-10-14
申请人： versalis S.p.A.
IPC分类号： C07C2/66 , C07C2/86 , B01J29/70 , B01J35/10 , B01J37/00 , C07C29/145 , B01J35/00 , B01J35/02 , C01B39/42 , C07C45/53 , C07C409/10
摘要： The invention relates to a new catalytic composition for the alkylation of aromatic compounds with alcohols, or mixtures of alcohols and corresponding olefins, wherein said composition comprises a zeolite of the MTW type and is characterized in that it contains one or more alkaline metals in a total quantity which is less than or equal to 0.02% by weight. The use of said catalyst in the alkylation of aromatic compounds with alcohols, in particular benzene with isopropanol or ethanol, allows the formation, as by-product, of the aldehyde or ketone corresponding to the alcohol used, to be minimized: the formation of reaction by-products of said aldehydes or ketones having a boiling point very close to that of polyalkylation products, is therefore significantly reduced. This provides a considerable advantage in the subsequent transalkylation step for the recovery of said polyalkylates by transformation into the corresponding monoalkylates.
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公开(公告)号：US20190177442A1
公开(公告)日：2019-06-13
申请号：US16325012
申请日：2017-08-11
申请人： VERSALIS S.P.A.
摘要： The present invention relates to a solidification process of the natural rubber latex by means of polyquaternary polymers. The process of the present invention has the advantage to not require the addition of acids and/or salts, with an evident saving in terms of cost for the reagents. Furthermore, in such a way neither the neutralization step of the rubber nor the treatment of the processing water before their disposal are required. The process of the present invention is suitable both for the continuous and batchwise embodiment, with evident advantages as far as its industrial application is concerned.
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119.发明申请公开(公告)号：US20190169319A1
公开(公告)日：2019-06-06
申请号：US16321849
申请日：2017-08-02
申请人： VERSALIS S.P.A.
发明人： Marianna SUAR
摘要： A method for the control of a plant (10) for the production in continuous of a polymer, wherein the plant (10) comprises at least one reactor (11) fed with at least a first monomer and a second monomer, a first stripper (12), a second stripper (17), a third stripper (18), at least one recycling vat (13) of the fine products, measurement equipment (14) and a control system comprising distributed control devices (15) controllable by at least one electronic processing and control unit (16) based on a plurality of control variables, the control method comprising the following steps: collecting data comprising recipe parameters, laboratory analysis results and predefined coefficients stored in a database (40); collecting the data measured by the measurement equipment (14); determining, by means of a first calculation module (20) a production potentiality value of the at least one reactor (11); determining, by means of a second calculation module (21) the polymer concentration in the at least one reactor (11), in the first stripper (12) and in the at least one recycling vat of the fine products (13); determining, by means of a third calculation module (22) the flow-rate of oil for feeding the second stripper (17); determining, by means of a fourth calculation module (23), the flow-rate of the chain terminator (TERM) for feeding the at least one reactor (11), controlling the plant (10) on the basis of the plurality of control variables.
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公开(公告)号：US10301408B2
公开(公告)日：2019-05-28
申请号：US15538338
申请日：2015-12-23
申请人： VERSALIS S.p.A.
IPC分类号： C08F4/68 , C08F136/06 , C08F136/08
摘要： An oxo-nitrogenated vanadium complex having the general formula (I): in which: —R1, R2, R3, R4, R5, R6 and R7, mutually identical or different, represent a hydrogen atom; or are selected from optionally halogenated, linear or branched C1-C20, preferably C1-C15, alkyl groups, optionally substituted cycloalkyl groups, optionally substituted aryl groups; —X1 and X2, mutually identical or different, represent a halogen atom such as, for example, chlorine, bromine, iodine, preferably chlorine; or are selected from linear or branched C1-C20, preferably C1-C15, alkyl groups, —OCOR8 groups or —OR8 groups in which R8 is selected from linear or branched C1-C20, preferably C1-C15, alkyl groups; —Y is selected from ethers such as, for example, diethyl ether, tetrahydrofuran (THF), dimethoxyethane, preferably is tetrahydrofuran (THF); —n is 0 or 1. Said oxo-nitrogenated vanadium complex having the general formula (I) may advantageously be used in a catalytic system for (co)polymerizing conjugated dienes.
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