[go: up one dir, main page]

MX9804436A - Proceso para la produccion de espumas rigidas de poliuretano en presencia de agentes de soplado de hidrocarburo. - Google Patents

Proceso para la produccion de espumas rigidas de poliuretano en presencia de agentes de soplado de hidrocarburo.

Info

Publication number
MX9804436A
MX9804436A MX9804436A MX9804436A MX9804436A MX 9804436 A MX9804436 A MX 9804436A MX 9804436 A MX9804436 A MX 9804436A MX 9804436 A MX9804436 A MX 9804436A MX 9804436 A MX9804436 A MX 9804436A
Authority
MX
Mexico
Prior art keywords
production
polyurethane foams
rigid polyurethane
blowing agents
hydrocarbon blowing
Prior art date
Application number
MX9804436A
Other languages
English (en)
Other versions
MXPA98004436A (es
Inventor
Sachchida Nand Singh
Original Assignee
Ici Plc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21731337&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MX9804436(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ici Plc filed Critical Ici Plc
Publication of MX9804436A publication Critical patent/MX9804436A/es
Publication of MXPA98004436A publication Critical patent/MXPA98004436A/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
    • C08J9/141—Hydrocarbons
    • 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

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

Se proporciona un proceso para la produccion de espumas rígidas de poliuretano el cual comprende la reaccion de: (a) un poliisocianato orgánico; (b) una composicion reactiva con isocianato que contiene una pluralidad de grupos reactivos con isocianato; y (c) un agente de soplado que comprende isopentano y n-pentano en una proporcion de 99:1, a más de 80:20 partes en peso, bajo condiciones de formacion de espuma.
MXPA/A/1998/004436A 1995-12-08 1998-06-04 Proceso para la produccion de espumas rigidas depoliuretano en presencia de agentes de soplado dehidrocarburo MXPA98004436A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US838495P 1995-12-08 1995-12-08
US008384 1995-12-08

Publications (2)

Publication Number Publication Date
MX9804436A true MX9804436A (es) 1998-09-30
MXPA98004436A MXPA98004436A (es) 1998-11-16

Family

ID=

Also Published As

Publication number Publication date
AR005006A1 (es) 1999-04-07
BR9611881A (pt) 1999-02-17
AU724996B2 (en) 2000-10-05
EP0865461B1 (en) 2002-01-16
CN1203611A (zh) 1998-12-30
EP0865461A1 (en) 1998-09-23
TW450983B (en) 2001-08-21
AU7624896A (en) 1997-07-03
ES2171232T3 (es) 2002-09-01
WO1997021764A1 (en) 1997-06-19
CA2237629A1 (en) 1997-06-19
DE69618618D1 (de) 2002-02-21

Similar Documents

Publication Publication Date Title
ATE158326T1 (de) Verfahren zur herstellung von harten polyurethanschaumstoffen
CA2141735A1 (en) Process for the production of hard polyurethane foams
AU632826B2 (en) Process for the production of polyurethane foam
ES8203925A1 (es) Procedimiento para la fabricacion de espuma de elastomero decelulas abiertas y-o cerradas
HK1012651A1 (en) Spray-resistant aqueous foam its production and use
KR910000850A (ko) 우레탄 촉매
KR900004795A (ko) 저밀도의 연질 폴리 우레탄 기포체의 제조 방법
MY118475A (en) Flexible polyurethane foam and process for preparing same
AR004593A1 (es) Composicion de poliisocianato organico y proceso para preparar una espuma flexible de poliuretano
EP0626399A4 (en) METHOD FOR PRODUCING POLYURETHANE FOAM.
ATE193894T1 (de) Zu harten polyurethanschaumstoffen führende mischungen
AU4560300A (en) Polymer-modified polyols, their use for the manufacture of polyurethane products
TW354303B (en) Process for the preparation of a rigid polyurethane or urethane-modified polyisocyanurate foam
CA2017053A1 (en) Flexible polyurethane foams and process for preparing them
BR9909943A (pt) Espumas de poliuretano rìgidas e método para formar as referidas espumas usando dióis e trióis de peso molecular baixo
MX9804436A (es) Proceso para la produccion de espumas rigidas de poliuretano en presencia de agentes de soplado de hidrocarburo.
AU634586B2 (en) Polyisocyanate compositions and their use in the preparation of flexible polyurethane foams
KR960041223A (ko) 연속 기포성 폴리우레탄 개질 폴리이소시아누레이트 발포체의 제조방법
HUT47141A (en) Process for producing foamed organic mineral materials
TW336240B (en) A method of producing rigid foamed plastics containing urethane groups
EP0386814A3 (en) A method for preparing hard polyurethane and polyisocyanurate foams
EP1127913A3 (de) Verfahren zur Herstellung von Polyurethan-Schaumstoffen
CA2205777A1 (en) Process for preparing elastic polyurethane slabstock foams
EP0295568A3 (en) A process for manufacturing rigid polyurethane foam
EP0608754A3 (en) Process for the preparation of rigid foams showing urethane and isocyanurate groups and their use as insulating materials.