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MX2019014811A - Formulacion mejorada de espuma. - Google Patents

Formulacion mejorada de espuma.

Info

Publication number
MX2019014811A
MX2019014811A MX2019014811A MX2019014811A MX2019014811A MX 2019014811 A MX2019014811 A MX 2019014811A MX 2019014811 A MX2019014811 A MX 2019014811A MX 2019014811 A MX2019014811 A MX 2019014811A MX 2019014811 A MX2019014811 A MX 2019014811A
Authority
MX
Mexico
Prior art keywords
flame retardant
apolyol
foam formulation
improved foam
foam
Prior art date
Application number
MX2019014811A
Other languages
English (en)
Inventor
Williams David
Keung Ling Yiu
Yu Bin
Yuan Huijun-Park
Original Assignee
Honeywell Int Inc
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 Honeywell Int Inc filed Critical Honeywell Int Inc
Publication of MX2019014811A publication Critical patent/MX2019014811A/es

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    • C08G18/092—Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture oligomerisation to isocyanurate groups
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  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Architecture (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

Se describen métodos para mejorar la resistencia térmica después del envejecimiento de una espuma de poliuretano o poliisocianurato, el método comprende producir la espuma a partir de una composición espumante que comprende un isocianato y una composición de premezcia de poliol, en donde la composición de premezcla de poliol comprende un poliol o mezcla de polioles, un agente de soplado seleccionado del grupo que consiste en 1,3,3,3-tetrafluoropropeno (1234ze), 1,1,1,4,4,4- hexafluorobut-2-eno (l336mzzm) y/o l-cloro-3,3,3- trifluoropropeno (l233zd) y un retardante de llamas en donde el retardante de llamas comprende 25 phpp o menos de un retardante de llamas a base de fosfato.
MX2019014811A 2017-06-13 2017-06-13 Formulacion mejorada de espuma. MX2019014811A (es)

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EP3638707A4 (en) 2021-01-20
TW201903046A (zh) 2019-01-16
US20240076463A1 (en) 2024-03-07
KR20200030030A (ko) 2020-03-19
JP2020533420A (ja) 2020-11-19
EP3638707A1 (en) 2020-04-22
KR20220121262A (ko) 2022-08-31
JP2023175797A (ja) 2023-12-12
WO2018227358A1 (en) 2018-12-20
CA3066294A1 (en) 2018-12-20
CN111670206A (zh) 2020-09-15

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