BR9900978A - Espumas insufladas de hcfc-141b com nìveis baixos de subprodutos de hcfc-1131a. - Google Patents

Espumas insufladas de hcfc-141b com nìveis baixos de subprodutos de hcfc-1131a.

Info

Publication number
BR9900978A
BR9900978A BR9900978A BR9900978A BR9900978A BR 9900978 A BR9900978 A BR 9900978A BR 9900978 A BR9900978 A BR 9900978A BR 9900978 A BR9900978 A BR 9900978A BR 9900978 A BR9900978 A BR 9900978A
Authority
BR
Brazil
Prior art keywords
hcfc
foams
insulated
products
low levels
Prior art date
Application number
BR9900978A
Other languages
English (en)
Inventor
Herman P Doerge
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of BR9900978A publication Critical patent/BR9900978A/pt

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
    • C08J9/143—Halogen containing compounds
    • C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
    • 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
    • C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
    • C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
    • 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
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2205/00—Foams characterised by their properties
    • C08J2205/10—Rigid foams
    • 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)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

131A"<D>. As espumas de poliuretano tendo baixos vação de um poliisocianato orgânico com um materialio reativos com isocianatos e um valor de OH de cerca de 200 a cerca de 650, na presença de um agente de insuflação. O agente de insuflação é mistura do que 1,0% em peso (com base no peso total da mistidas são caracaterizadas por uma condutividade térmica de menos que cerca de 0,1937 Cal-cm/h.cm²°C (0,160 Btu-in./h/ft²°F), de preferência menos que cerca de 0,1816 Cal-cm/h.cm²°C (0,150 Btu-in./h.ft materiais isolantes.
BR9900978A 1998-03-09 1999-03-09 Espumas insufladas de hcfc-141b com nìveis baixos de subprodutos de hcfc-1131a. BR9900978A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/036,800 US5849807A (en) 1998-03-09 1998-03-09 HCFC-141b blown foams with low levels of HCFC-1131a by-products

Publications (1)

Publication Number Publication Date
BR9900978A true BR9900978A (pt) 2000-03-21

Family

ID=21890730

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9900978A BR9900978A (pt) 1998-03-09 1999-03-09 Espumas insufladas de hcfc-141b com nìveis baixos de subprodutos de hcfc-1131a.

Country Status (5)

Country Link
US (1) US5849807A (pt)
EP (1) EP0942033A3 (pt)
JP (1) JPH11292947A (pt)
BR (1) BR9900978A (pt)
CA (1) CA2262467A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9896558B2 (en) * 2011-08-01 2018-02-20 Basf Se HFO/water-blown rigid foam systems
CN102516490B (zh) * 2011-09-30 2013-06-12 无锡双象化学工业有限公司 用聚氨酯组合料制备汽车减震器的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2897888B2 (ja) * 1990-02-20 1999-05-31 株式会社日立製作所 硬質ポリウレタンフォームとその製造方法およびそれを用いた製品
US5137929A (en) * 1991-06-21 1992-08-11 Allied-Signal Inc. Additives which stabilize hydrohalocarbon blowing agent in polyurethane and polyisocyanurate foam formulations during polymerization
US5189074A (en) * 1991-12-17 1993-02-23 Arco Chemical Technology, L.P. Tertiary ethers as blowing agents for polyurethane foams
US5723506A (en) * 1992-09-18 1998-03-03 Apache Products Company Extruded polymer foam with filler particles and method
GB9324510D0 (en) * 1993-11-30 1994-01-19 Ici Plc Process for rigid polyurethane foams
US5539006A (en) * 1993-12-15 1996-07-23 Bayer Corporation Rigid foams with improved insulation and physical properties
US5407596A (en) * 1994-05-12 1995-04-18 Miles Inc. Polyols for the production of foams with HCFC blowing agents

Also Published As

Publication number Publication date
JPH11292947A (ja) 1999-10-26
US5849807A (en) 1998-12-15
EP0942033A2 (en) 1999-09-15
CA2262467A1 (en) 1999-09-09
EP0942033A3 (en) 2001-05-02

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 5A, 6A E 7A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1870 DE 07/11/2006.