公开(公告)号：US11130846B2

公开(公告)日：2021-09-28

申请号：US15779686

申请日：2016-12-02

Applicant: versalis S.p.A. ,  ENI S.p.A.

Inventor： Alessandro Casalini ,  Michela Agnoli ,  Paolo Mariani ,  Romano Lima ,  Massimo Merlini

IPC: C08J3/03 ,  C08L23/08 ,  C10L1/14 ,  C10L1/196 ,  C10L1/197 ,  C10L10/16 ,  C10L1/16

Abstract: 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.

公开(公告)号：US20150299410A1

公开(公告)日：2015-10-22

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: C08J9/00 ,  C08L25/06

CPC classification number: C08J9/0061 ,  C08F8/06 ,  C08F212/08 ,  C08F293/005 ,  C08F2438/02 ,  C08J2325/06 ,  C08J2325/14 ,  C08K3/04 ,  C08K5/0066 ,  C08L25/06 ,  C08L25/08 ,  C08L51/04 ,  C08L51/06 ,  C08L53/00 ,  C08F2220/325 ,  C08F297/04

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.

Abstract translation: 本发明涉及自熄性聚合物组合物，其包含：a）稳定聚合物组合物，其包含i）80重量％至99.5重量％的一种或多种彼此相容的乙烯基芳族聚合物; 和ii）0.5重量％至20重量％的至少一种嵌段共聚物，所述嵌段共聚物包含：1）至少一种乙烯基芳族聚合物嵌段相容的N与（i）并且构成重量相等于或高于15重量％ 整个嵌段共聚物，和2）含有环氧基团的至少一种乙烯基共聚物嵌段，使得以总共嵌段共聚物计算的环氧乙烷氧含量为0.7％至19％; 和b）至少一种卤代阻燃剂，基于组分（a）计算的0.03phr至10phr。

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.

公开(公告)号：US09447273B2

公开(公告)日：2016-09-20

申请号：US14013073

申请日：2013-08-29

Applicant: Versalis S.p.A.

Inventor： Alessandro Casalini ,  Riccardo Felisari

IPC: C08L53/02 ,  B29C44/34 ,  C08J9/16 ,  C08J9/00 ,  C08J9/14 ,  C08J9/224 ,  C08J9/232

CPC classification number: C08L53/02 ,  B29C44/3461 ,  C08J9/0014 ,  C08J9/0061 ,  C08J9/0066 ,  C08J9/0095 ,  C08J9/141 ,  C08J9/16 ,  C08J9/224 ,  C08J9/232 ,  C08J2201/024 ,  C08J2201/03 ,  C08J2201/036 ,  C08J2203/14 ,  C08J2203/182 ,  C08J2205/052 ,  C08J2325/04 ,  C08J2453/02

Abstract: A particulate polymeric composition capable of being processed to provide expanded articles having a density lower than or equal to 50 g/l and a closed cell content of at least 60% as specified by ASTM D-2856, wherein resulting particulates have a shape factor ranging from 0.6 to 0.99; and wherein the particulate polymeric composition is produced according to a process that prepares expandable granules based on thermoplastic polymers, through a granulation die.

Abstract translation: 能够被加工以提供密度低于或等于50g / l的膨胀制品并且根据ASTM D-2856规定的至少60％的闭孔含量的颗粒状聚合物组合物，其中所得颗粒的形状因子范围 从0.6到0.99; 并且其中所述颗粒状聚合物组合物根据通过造粒模具制备基于热塑性聚合物的可发泡颗粒的方法制备。

公开(公告)号：US10370607B2

公开(公告)日：2019-08-06

申请号：US15102138

申请日：2014-12-05

Applicant: versalis S.p.A. ,  ENI S.p.A.

Inventor： Paolo Mariani ,  Michela Agnoli ,  Alessandro Casalini ,  Massimo Merlini

IPC: C10M145/08 ,  C10L1/197 ,  C10L10/16 ,  C08L23/08

Abstract: A polymeric composition suitable for lowering the Pour Point of paraffinic crude oils comprising a synergic mixture including at least two ethylene-vinyl acetate copolymers respectively having an average molecular weight Mw lower than 130,000 Dalton (measured via GPC), a content of vinyl acetate monomer ranging from 15 to 50% by weight, with the proviso that the content of vinyl acetate monomer in the respective copolymers differs from one copolymer to another, by over 5%, on a weight basis.

公开(公告)号：US10738232B2

公开(公告)日：2020-08-11

申请号：US15564079

申请日：2016-04-01

Applicant: Versalis S.p.A. ,  Eni S.p.A.

Inventor： Alessandro Casalini ,  Attilio Arienti ,  Dario Ghidoni ,  Chiara Cecilia Piseri

IPC: C09K8/524

Abstract: 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.

公开(公告)号：US10183264B2

公开(公告)日：2019-01-22

申请号：US14390805

申请日：2013-04-03

Applicant: Versalis S.P.A.

Inventor： Riccardo Felisari ,  Alessandro Casalini ,  Olga Valentino

IPC: B29C47/10 ,  B01F15/02 ,  C08J3/20 ,  B29C47/62 ,  B29C47/36

Abstract: The present invention relates to a process for the insertion and conveying of a labile additive, or a mixture thereof, in a transporting pipe, in which a main stream of molten material flows, said process characterized in that it incorporates said additive, or said mixture, in a portion of the pipe delimited by the main stream, according to one of the following alternative modes: a) in a longitudinal direction with respect to the flow direction of the main stream of molten material, or b) in a transversal direction with respect to the flow direction of the main stream of. molten material, or c) according to a composition of the longitudinal (a) and transversal (b) mode, thus forming a resulting stream which keeps the labile additives segregated from the main stream of molten material.

公开(公告)号：US20150308624A1

公开(公告)日：2015-10-29

申请号：US14650675

申请日：2013-12-23

Applicant: ENI S.P.A. ,  VERSALIS S.P.A.

Inventor： Chiara Piseri ,  Lucilla Del Gaudio ,  Alessandro Casalini ,  Salvatore Coppola ,  Davide Malinverno ,  Romano Lima

IPC: F17D1/17

CPC classification number: F17D1/17 ,  F17D1/16 ,  F17D1/20 ,  F17D3/01 ,  F17D3/12

Abstract: Method for reducing the pressure drop associated with a fluid subjected to a turbulent flow which comprises introducing at least one latex into said fluid, comprising: (a) a continuous aqueous phase; (b) a plurality of particles, dispersed in said continuous aqueous phase, of at least one branched (co) polymer having a branching degree {GR) ranging from 0.05 to 0.6, preferably from 0.08 to 0.5, and a weight average molecular weight (Mw) of the parent (co) polymer ranging from 100,000 Daltons to 700,000 Daltons, preferably ranging from 140,000 Daltons to 350,000 Daltons. Said method can be advantageously used in the case of a pressure drop in pipelines transporting liquid hydrocarbons such as, for example, petroleum, crude oils and refinery or petrochemical products, in particular for long distances.

Abstract translation: 一种减少与经受湍流的流体相关的压降的方法，包括将至少一种胶乳引入所述流体中，包括：（a）连续的水相; （b）分散在所述连续水相中的至少一种支化度（GR）为0.05至0.6，优选0.08至0.5的分支（共）聚合物的多个颗粒和重均分子量（ 母体（共）聚合物的范围为100,000道尔顿至700,000道尔顿，优选范围为140,000道尔顿至350,000道尔顿。 所述方法可以有利地用于输送液体烃如石油，原油和炼油或石化产品的管道中的压力降，特别是长距离运输。

公开(公告)号：US20150063054A1

公开(公告)日：2015-03-05

申请号：US14390805

申请日：2013-04-03

Applicant: Versalis S.P.A.

Inventor： Riccardo Felisari ,  Alessandro Casalini ,  Olga Valentino

IPC: B01F15/02

CPC classification number: B01F15/0251 ,  B01F15/0254 ,  B01F2215/0049 ,  B29C47/1063 ,  B29C47/109 ,  B29C47/366 ,  B29C47/369 ,  B29C47/627 ,  C08J3/201 ,  C08J2325/06

Abstract: The present invention relates to a process for the insertion and conveying of a labile additive, or a mixture thereof, in a transporting pipe, in which a main stream of molten material flows, said process characterized in that it incorporates said additive, or said mixture, in a portion of the pipe delimited by the main stream, according to one of the following alternative modes: a) in a longitudinal direction with respect to the flow direction of the main stream of molten material, or b) in a transversal direction with respect to the flow direction of the main stream of. molten material, or c) according to a composition of the longitudinal (a) and transversal (b) mode, thus forming a resulting stream which keeps the labile additives segregated from the main stream of molten material.

Abstract translation: 本发明涉及一种用于在输送管中插入和输送不稳定添加剂或其混合物的方法，其中熔融材料主流流动，所述方法的特征在于其包含所述添加剂或所述混合物 在由主流限定的管道的一部分中，根据以下替代模式之一：a）在相对于熔融材料主流流动方向的纵向方向上，或b）沿横向方向与 相对于主流的流动方向。 熔融材料，或c）根据纵向（a）和横向（b）模式的组成，从而形成所产生的流，其使不稳定的添加剂与熔融材料的主流分离。