MX9708850A - Espumas hechas con polioles de poliester e hidrofluorocarburos como agentes de soplado. - Google Patents

Espumas hechas con polioles de poliester e hidrofluorocarburos como agentes de soplado.

Info

Publication number
MX9708850A
MX9708850A MX9708850A MX9708850A MX9708850A MX 9708850 A MX9708850 A MX 9708850A MX 9708850 A MX9708850 A MX 9708850A MX 9708850 A MX9708850 A MX 9708850A MX 9708850 A MX9708850 A MX 9708850A
Authority
MX
Mexico
Prior art keywords
hydrofluorocarbons
blowing agents
polyester polyols
foams made
isocyanate
Prior art date
Application number
MX9708850A
Other languages
English (en)
Other versions
MXPA97008850A (es
Inventor
Michael E Londrigan
Perry F Monda
Original Assignee
Celotex Corp
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 Celotex Corp filed Critical Celotex Corp
Publication of MX9708850A publication Critical patent/MX9708850A/es
Publication of MXPA97008850A publication Critical patent/MXPA97008850A/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • C08J9/149—Mixtures of blowing agents covered by more than one of the groups C08J9/141 - C08J9/143
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • C08J9/143—Halogen containing compounds
    • C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
    • C08J9/146—Halogen containing compounds containing carbon, halogen and hydrogen only only fluorine as halogen atoms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • C08J2375/06—Polyurethanes from polyesters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

Una espuma polimérica basada en isocianato, rígida, de celda cerrada que comprende el producto de reaccion de un poli-isocianato y un poliol de poliéster o una mezcla de un poliol de poliéster y por lo menos otro compuesto reactivo con isocianato en presencia de un agente de soplado que comprende un hidrofluorocarburo que tiene de 3 a 7 átomos de carbon y sin átomo de cloro o una mezcla del hidrofluorocarburo y por lo menos un agente de co-soplado.
MXPA/A/1997/008850A 1996-11-18 1997-11-17 Espumas hechas con polioles de poliester e hidrofluorocarburos como agentes de soplado MXPA97008850A (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US75187996A 1996-11-18 1996-11-18
US751879 1996-11-18
US87330297A 1997-06-11 1997-06-11
US873302 1997-06-11

Publications (2)

Publication Number Publication Date
MX9708850A true MX9708850A (es) 1998-09-30
MXPA97008850A MXPA97008850A (es) 1998-11-16

Family

ID=

Also Published As

Publication number Publication date
CA2218819A1 (en) 1998-05-18
EP0842972A1 (en) 1998-05-20

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