MX2023000155A - Espuma de resina de poliisocianurato que tiene resistencia a la compresion alta, conductividad termica baja y calidad de la superficie alta. - Google Patents

Espuma de resina de poliisocianurato que tiene resistencia a la compresion alta, conductividad termica baja y calidad de la superficie alta.

Info

Publication number
MX2023000155A
MX2023000155A MX2023000155A MX2023000155A MX2023000155A MX 2023000155 A MX2023000155 A MX 2023000155A MX 2023000155 A MX2023000155 A MX 2023000155A MX 2023000155 A MX2023000155 A MX 2023000155A MX 2023000155 A MX2023000155 A MX 2023000155A
Authority
MX
Mexico
Prior art keywords
aliphatic
hydrocarbon compound
compounds
resin foam
polyisocyanurate resin
Prior art date
Application number
MX2023000155A
Other languages
English (en)
Inventor
Olaf Jacobmeier
Christian Renner
Tobias Kaluschke
Sabrina Kronig
Original Assignee
Basf Se
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Basf Se filed Critical Basf Se
Publication of MX2023000155A publication Critical patent/MX2023000155A/es

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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
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    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/046—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
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    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B32B5/20—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material foamed in situ
    • C—CHEMISTRY; METALLURGY
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    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

La presente invención se refiere a un proceso para producir espumas rígidas de poliisocianurato, en donde (a) poliisocianato aromático, (b) compuestos reactivos con isocianato que comprenden al menos un polieterol (b1) y/o poliesterol (b2), en donde el contenido promedio en número de átomos de hidrógeno reactivos con isocianato de los componentes (b1) y (b2) es de al menos 1.7, (c) catalizador, (d) agentes de soplado, (e) pirorretardantes, (f) opcionalmente sustancias auxiliares y aditivas y (g) opcionalmente compuestos que tienen grupos hidrófobos alifáticos y que no se encuadran dentro de la definición de compuestos (a) a (f) se mezclan para obtener una mezcla de reacción y se deja que se curen para obtener una espuma rígida de poliisocianurato, en donde el agente de soplado (d) comprende al menos un compuesto de hidrocarburo halogenado alifático (d1) compuesto por 2 a 5 átomos de carbono, al menos un átomo de hidrógeno y al menos un átomo de flúor y/o cloro, y el compuesto (d1) comprende al menos un enlace doble carbono-carbono y un compuesto de hidrocarburo que tiene de 4 a 8 átomos de carbono (d2) y la proporción molar del compuesto de hidrocarburo halogenado (d1) es de entre 20 y 60% molar y la proporción molar del compuesto de hidrocarburo (d2) es de entre 40 y 80% molar, en cada caso en función del contenido total de los agentes de soplado (d1) y (d2), y los componentes (b) a (f) pueden comprender compuestos que tienen grupos hidrófobos alifáticos, y el contenido de los grupos hidrófobos alifáticos, en función del peso total de los componentes (b) a (g), no es mayor de 4.0% en peso, y la mezcla para obtener la mezcla de reacción se lleva a cabo a un índice de isocianato de al menos 240. La presente invención se refiere además a una espuma rígida de poliisocianurato que se puede obtener mediante un proceso de acuerdo con la invención.
MX2023000155A 2020-06-25 2021-06-23 Espuma de resina de poliisocianurato que tiene resistencia a la compresion alta, conductividad termica baja y calidad de la superficie alta. MX2023000155A (es)

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PCT/EP2021/067249 WO2021260069A1 (de) 2020-06-25 2021-06-23 Polyisocyanurathartschaumstoff mit hoher druckfestigkeit, geringer wärmeleitfähigkeit und hoher oberflächengüte

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AU2021295848A1 (en) 2023-02-02
CA3188780A1 (en) 2021-12-30
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CN115702184A (zh) 2023-02-14

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