MX167973B - Proceso para preparar espumas a base de poli-isocianato y espumas resultantes - Google Patents

Proceso para preparar espumas a base de poli-isocianato y espumas resultantes

Info

Publication number
MX167973B
MX167973B MX018604A MX1860489A MX167973B MX 167973 B MX167973 B MX 167973B MX 018604 A MX018604 A MX 018604A MX 1860489 A MX1860489 A MX 1860489A MX 167973 B MX167973 B MX 167973B
Authority
MX
Mexico
Prior art keywords
polyol
polyisocyanate
water
present
foams
Prior art date
Application number
MX018604A
Other languages
English (en)
Inventor
Henri Jacobus Marie Grunbauer
Johan A Thoen
Guido Freddy Smits
Original Assignee
Dow Chemical Co
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=23074922&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MX167973(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Publication of MX167973B publication Critical patent/MX167973B/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
    • C08J9/06—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 chemical blowing agent
    • C08J9/08—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 chemical blowing agent developing carbon dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • 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
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4829—Polyethers containing at least three hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • 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
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/487—Polyethers containing cyclic groups
    • C08G18/4883—Polyethers containing cyclic groups containing cyclic groups having at least one oxygen atom in the ring
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • 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
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/50—Polyethers having heteroatoms other than oxygen
    • C08G18/5021—Polyethers having heteroatoms other than oxygen having nitrogen
    • C08G18/5033—Polyethers having heteroatoms other than oxygen having nitrogen containing carbocyclic groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • 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
    • C08G18/40—High-molecular-weight compounds
    • C08G18/54—Polycondensates of aldehydes
    • C08G18/546—Oxyalkylated polycondensates of aldehydes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00—Foam properties
    • C08G2110/0025—Foam properties rigid
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00—Foam properties
    • C08G2110/0041—Foam properties having specified density
    • C08G2110/005—< 50kg/m3
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00—Foam properties
    • C08G2110/0083—Foam properties prepared using water as the sole blowing agent
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2115/00—Oligomerisation
    • C08G2115/02—Oligomerisation to isocyanurate groups
    • 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)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • External Artificial Organs (AREA)
  • Endoscopes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

La presente invención se refiere a un proceso para preprar un polímero con base de poli-isocianato rígido y de celda cerrada, que tiene una densidad promedio de 6 a 150 Kg/m3 aproximadamente, que comprende reaccionar una composición de poliol con un poli-isocianato orgánico, en la presencia de un catalizador y un agente de insuflado conteniendo agua suficiente para proveer del 50 al 80 por ciento de moles teórico aproximadamente de dióxido de carbono, de los gases totales presentes en las celdas del polímero resultante, dicha composición de poliol comprende, por lo menos, 50 por ciento del peso total de la misma, de un poliol que tiene un número de hidroxilo de 100 a 500 aproximadamente y una funcionalidad promedio de, por lo menos, cuatro, caracterizado en que el poliol mencionado el el producto de reaccionar un carbohidrato o una mezcla de carbohidrato que consiste adicionalmente de un miembro seleccionado del grupo consistente de agua, glicerina, trimetilpropano y mezclas de los mismos, con un óxido de alquileno, y en que tal composición de polímero tiene un número de hidroxilo promedio de 100 a 500 aproximdamente; y en que el poli-isocianato mencionado se usa en una cantidad para proveer de 1.0 a 1.5 grupos de isocianato aproximadamente por hidrógeno activo, incluyendo los del agua presentes en el sistema de reacción.
MX018604A 1988-12-07 1989-12-06 Proceso para preparar espumas a base de poli-isocianato y espumas resultantes MX167973B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/280,860 US4943597A (en) 1988-12-07 1988-12-07 Polyether polyol formulations for hard CFC replacement by water blowing in rigid polyurethane foams

Publications (1)

Publication Number Publication Date
MX167973B true MX167973B (es) 1993-04-26

Family

ID=23074922

Family Applications (1)

Application Number Title Priority Date Filing Date
MX018604A MX167973B (es) 1988-12-07 1989-12-06 Proceso para preparar espumas a base de poli-isocianato y espumas resultantes

Country Status (15)

Country Link
US (1) US4943597A (es)
EP (1) EP0372539B1 (es)
JP (1) JPH02251514A (es)
AT (1) ATE119554T1 (es)
BR (1) BR8906397A (es)
CA (1) CA2004727A1 (es)
DE (1) DE68921564T2 (es)
DK (1) DK615089A (es)
ES (1) ES2068880T3 (es)
FI (1) FI895823A7 (es)
MX (1) MX167973B (es)
NO (1) NO177314C (es)
NZ (1) NZ231622A (es)
PT (1) PT92505A (es)
YU (1) YU229189A (es)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0236217A (ja) * 1988-07-27 1990-02-06 Hitachi Ltd 硬質ポリウレタンフォーム及びその製造方法と断熱材並びにそれを用いた冷蔵庫
JPH02248419A (ja) * 1989-03-22 1990-10-04 M D Kasei Kk 耐熱性ウレタン変性ポリイソシアヌレートフォームの製法
US5091438A (en) * 1989-07-14 1992-02-25 Takeda Chemical Industries, Ltd. Method of producing rigid urethane foam
EP0450197A1 (en) * 1990-04-02 1991-10-09 Shell Internationale Researchmaatschappij B.V. Foam formulations suitable for preparing water-blown heat-insulating material using polyols as softening point improvers and heat-insulating material obtained therewith
GB2244714B (en) * 1990-05-31 1993-10-06 Sanyo Chemical Ind Ltd Foamed polyurethane-forming composition,foamed polyurethane and process for making the same
US5373028A (en) * 1991-08-20 1994-12-13 The Dow Chemical Company Polyurethane foams having reduced visible emissions during curing
US5272183A (en) * 1991-09-20 1993-12-21 Miles Inc. HCFC blown rigid foams with low thermal conductivity
US5308885A (en) * 1991-09-20 1994-05-03 Miles Inc. HCFC blown rigid foams with low thermal conductivity
US5254601A (en) * 1991-09-20 1993-10-19 Miles Inc. HCEC blown rigid foams with low thermal conductivity
WO1994005718A1 (en) * 1992-08-27 1994-03-17 Stepan Company Process for production of low density water-blown rigid foams with flow and dimensional stability
US5332860A (en) * 1993-06-29 1994-07-26 The Dow Chemical Company Polyols useful for preparing polyurethane foams having improved retention of insulative properties, polyurethane foams prepared therewith and methods for the preparation thereof
US5690855A (en) * 1994-01-11 1997-11-25 Sealed Air Corporation Polyol blend, cellular polyurethane foam product made therefrom, and halogenated hydrocarbon-free process therefor
JP4610782B2 (ja) * 2001-05-01 2011-01-12 日本ポリウレタン工業株式会社 盛土の施工方法及び土木用ポリウレタンフォームの製造方法
US20030213189A1 (en) * 2002-05-16 2003-11-20 Goldman Arthur S. Thermoplastic polymer extrusion bending
EP1435366B1 (en) * 2003-01-03 2008-08-13 Dow Global Technologies Inc. Polyisocyanurate foam and process for its preparation
US6846850B2 (en) * 2003-01-22 2005-01-25 Bayer Materialscience Llc Rigid polyurethane foams with improved properties
US7151121B2 (en) * 2004-05-26 2006-12-19 Danisco A/S Polyurethane containing a polyol composition comprising a highly branched polysaccharide, mix and process for preparation thereof
US8258198B2 (en) * 2004-05-28 2012-09-04 Air Products And Chemicals, Inc. Fast demold/extended cream time polyurethane formulations
US20060122355A1 (en) * 2004-10-15 2006-06-08 O'connor James Derivatized highly branched polysaccharide and a mix for production of polyurethane thereof
DE102005025970A1 (de) 2005-06-03 2006-12-07 Basf Ag Poröse Polyisocyanat-Polyadditionsprodukte
TR201802484T4 (tr) 2012-03-15 2018-03-21 Dow Global Technologies Llc Düşük yoğunluklu tam su üflemeli poliüretan sert köpük.
CA3038312A1 (en) 2016-09-30 2018-04-05 Salix Pharmaceuticals, Inc. Solid dispersion forms of rifaximin
RU2020120216A (ru) * 2017-11-28 2021-12-20 Дау Глоубл Текнолоджиз Ллк Изоляционная плита на полиуретановой основе

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4585858A (en) * 1967-01-03 1986-04-29 Cpc International Inc. Starch-based polyether polyols
US3865806A (en) * 1970-12-28 1975-02-11 Dow Chemical Co Low viscosity, low equivalent weight polyether polyols and a method for their preparation
JPS5432479B2 (es) * 1973-11-28 1979-10-15
US4273882A (en) * 1980-06-02 1981-06-16 Olin Corporation Preparation of thermally stable rigid polyurethane foam
DE3868202D1 (de) * 1987-09-15 1992-03-12 Bayer Ag Verfahren zur herstellung von polyurethan-hartschaumstoffen.

Also Published As

Publication number Publication date
NO177314B (no) 1995-05-15
EP0372539A2 (en) 1990-06-13
CA2004727A1 (en) 1990-06-07
ATE119554T1 (de) 1995-03-15
FI895823A0 (fi) 1989-12-05
DE68921564D1 (de) 1995-04-20
NO894877D0 (no) 1989-12-06
DK615089A (da) 1990-06-08
NO177314C (no) 1995-08-23
DE68921564T2 (de) 1995-07-13
DK615089D0 (da) 1989-12-06
ES2068880T3 (es) 1995-05-01
BR8906397A (pt) 1990-08-28
EP0372539A3 (en) 1991-01-23
YU229189A (en) 1991-02-28
US4943597A (en) 1990-07-24
NZ231622A (en) 1991-05-28
JPH02251514A (ja) 1990-10-09
FI895823A7 (fi) 1990-06-08
EP0372539B1 (en) 1995-03-08
PT92505A (pt) 1990-06-29
NO894877L (no) 1990-06-08

Similar Documents

Publication Publication Date Title
MX167973B (es) Proceso para preparar espumas a base de poli-isocianato y espumas resultantes
MX165667B (es) Espumas de poliuretano rigidas, moldeables y absorentes de energia y procedimiento para su preparacin
ES2101108T3 (es) Un procedimiento para preparar un elastomero de poliuretano microcelular a partir de un prepolimero con terminacion de isocianato con &#34;segmento blando&#34; y elastomero de poliuretano microcelular obtenido a partir del mismo.
GB1267011A (es)
CA1263799C (en) PREPARATION OF SEMI-RIGID FOAM BASED ON POLYUREA MODIFIED WITH POLYURETHANE
ES2110477T3 (es) Espumas de poliuretano.
KR920016494A (ko) 다공성 엘라스토머의 제조방법 및 이에 사용된 화학적 조성물
SE8703346D0 (sv) Flexible polyurethane foams prepared from poly(alkylene carbonate)polyols
PT991686E (pt) Processo para a preparacao de espumas rigidas de poliuretano de celulas fechadas e baixa condutividade termica
GB1092958A (en) Rigid polyurethane foams
GB1142597A (en) Polyurethane foams
GB1499283A (en) Process for producing a flame-and smoke-retarded non-shrinkable polyurethane foam
KR900004795A (ko) 저밀도의 연질 폴리 우레탄 기포체의 제조 방법
ES2148948T3 (es) Procedimiento para la fabricacion de espumas de poliuretano rigidas expandidas con hidrocarburos.
GB1091604A (en) Improvements in or relating to polyurethane foams
GB1133691A (en) Polyurethane foams
JPS5698222A (en) Preparation of polyurethane foam having self-skin layer
MX165720B (es) Procedimiento para preparar elastomero de poliuretano microcelular
CA2035930A1 (en) Substantially closed-cell rigid foams containing urethane, urea and biuret groups and a process for their production
KR900007897A (ko) 고탄성 발포체용 습식고정 시스템 첨가제
GB1354576A (en) Method for the production of a hydrophilic polyurethane foam
JPS565815A (en) Preparation of urethane foam
ES2108142T3 (es) Procedimiento para fabricacion de espumas blandas de pur, elasticas y de celulas abiertas.
GB1289186A (es)
GB947483A (en) Non-linear polyurethane prepolymers and methods of forming polyurethane foam therefrom