SE7702008L - Sett att framstella varmbearbetbara isocyanuratskumplaster - Google Patents

Sett att framstella varmbearbetbara isocyanuratskumplaster

Info

Publication number
SE7702008L
SE7702008L SE7702008A SE7702008A SE7702008L SE 7702008 L SE7702008 L SE 7702008L SE 7702008 A SE7702008 A SE 7702008A SE 7702008 A SE7702008 A SE 7702008A SE 7702008 L SE7702008 L SE 7702008L
Authority
SE
Sweden
Prior art keywords
isocyanurat
pasts
workable
foam
way
Prior art date
Application number
SE7702008A
Other languages
English (en)
Other versions
SE434161B (sv
Inventor
D Schepel
Gizycki U Von
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 SE7702008L publication Critical patent/SE7702008L/sv
Publication of SE434161B publication Critical patent/SE434161B/sv

Links

Classifications

    • 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/80—Masked polyisocyanates
    • C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
    • C08G18/8006—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
    • C08G18/8009—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203
    • C08G18/8012—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203 with diols
    • C08G18/8019—Masked aromatic polyisocyanates
    • 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
    • C08G18/4833—Polyethers containing oxyethylene units
    • C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
    • 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
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
    • 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
    • C08G18/797—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing carbodiimide and/or uretone-imine 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
    • 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
    • C08G2110/0041—Foam properties having specified density
    • C08G2110/0058—≥50 and <150kg/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
    • C08G2115/00—Oligomerisation
    • C08G2115/02—Oligomerisation to isocyanurate groups
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/902—Cellular polymer containing an isocyanurate structure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31547—Of polyisocyanurate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
SE7702008A 1976-02-24 1977-02-23 Sett att framstella varmbearbetbara isocyanuratskumplaster SE434161B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2607380A DE2607380C3 (de) 1976-02-24 1976-02-24 Verfahren zur Herstellung von warmformbaren Polyisocyanuratschaumstoffen

Publications (2)

Publication Number Publication Date
SE7702008L true SE7702008L (sv) 1977-08-25
SE434161B SE434161B (sv) 1984-07-09

Family

ID=5970687

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7702008A SE434161B (sv) 1976-02-24 1977-02-23 Sett att framstella varmbearbetbara isocyanuratskumplaster

Country Status (10)

Country Link
US (1) US4129697A (sv)
JP (1) JPS52103495A (sv)
BE (1) BE851698A (sv)
BR (1) BR7700994A (sv)
DE (1) DE2607380C3 (sv)
ES (1) ES456177A1 (sv)
GB (1) GB1517673A (sv)
IT (1) IT1083472B (sv)
NL (1) NL7701943A (sv)
SE (1) SE434161B (sv)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4169921A (en) * 1973-01-11 1979-10-02 The Celotex Corporation Polyisocyanurate
US4125505A (en) * 1976-07-06 1978-11-14 Union Carbide Corporation Polymer/polyols from high ethylene oxide content polyols
DE2722400C2 (de) * 1977-05-17 1985-05-30 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von wärmebeständigen, blasenfreien Isocyanuratgruppen aufweisenden Kunststoffen
US4311801A (en) * 1978-06-01 1982-01-19 The Celotex Corporation Polyisocyanurate foam and process therefor
US4212917A (en) * 1978-06-01 1980-07-15 The Celotex Corporation Polyisocyanurate foam laminate
JPS5552313A (en) * 1978-10-09 1980-04-16 Takeda Chem Ind Ltd Manufacture of urethane-modified rigid isocyanurate foam
JPS5565214A (en) * 1978-11-10 1980-05-16 Bridgestone Corp Preparation of flame-resistant polyisocyanurate foam
DE2856456A1 (de) * 1978-12-28 1980-07-17 Basf Ag Verfahren zur herstellung von polyurethan-hartschaumstoffen
DE2915474C2 (de) * 1979-04-17 1986-05-15 Hans-Georg Ring Biegesteifer Verbundschichtstoff, Verfahren zu seiner Herstellung, sowie Verwendung als Fertighimmel für Automobile
US4272618A (en) * 1979-04-30 1981-06-09 Texaco Development Corp. Heat stable reaction injection molded elastomers
US4299924A (en) * 1979-08-10 1981-11-10 Toyota Jidosha Kogyo Kabushiki Kaisha Polyisocyanurate resin and process for making the same
US4362678A (en) * 1980-01-18 1982-12-07 The Celotex Corporation Method of making polyisocyanurate foam laminate
DE3139395C2 (de) * 1981-10-03 1984-09-13 Bayer Ag, 5090 Leverkusen Verfahren zum Verfestigen von geologischen Gesteins-, Erd- und Kohleformationen
EP0095530B1 (en) * 1982-06-01 1987-04-22 The Dow Chemical Company Polyurethane and urethane-modified isocyanurate foams and a method for their preparation
US4425446A (en) 1982-06-23 1984-01-10 Sealed Air Corporation Urea-modified isocyanurate foam, composition and method
US4430840A (en) * 1982-06-23 1984-02-14 Sealed Air Corporation Foam, composition and method useful for retrofit insulation
US4401769A (en) * 1982-06-23 1983-08-30 Sealed Air Corporation Foam, composition and method useful for retrofit insulation
US4444913A (en) * 1982-11-18 1984-04-24 Thermocell Development, Ltd. Modified polyisocyanurate foam and method of preparation
DE3309127A1 (de) * 1983-03-15 1984-09-20 Basf Ag, 6700 Ludwigshafen Zellige polyurethan-formkoerper, verfahren zu deren herstellung durch thermoplastische verformung von polyester-polyurethan-schaumstoffen sowie deren verwendung
US4607064A (en) * 1983-05-16 1986-08-19 The Dow Chemical Company Polyurethane and urethane-modified isocyanurate foams and a polyol composition useful in their preparation
US4520042A (en) * 1983-06-20 1985-05-28 Thermocell Development, Ltd. High-modulus, flexible urethane coating and method of preparation
US4661529A (en) * 1984-08-09 1987-04-28 The Dow Chemical Company Polyurethane and urethane-modified isocyanurate foams and a polyol composition useful in their preparation
JPH0621147B2 (ja) * 1985-09-27 1994-03-23 三井東圧化学株式会社 硬質ポリウレタンフオ−ムの製造法
US4623673A (en) * 1985-10-24 1986-11-18 The Dow Chemical Company Urethane-modified polyisocyanurate rigid foam
DE3610961A1 (de) * 1986-04-02 1987-10-08 Bayer Ag Thermisch verformbare pur-hartschaumstoffe, ein verfahren zu ihrer herstellung und ihre verwendung zur herstellung von automobilinnenverkleidung
DE3737524C2 (de) * 1987-11-05 1994-12-22 Bayer Ag Verfahren zur Herstellung von Skikernen
DE3942468A1 (de) * 1989-12-22 1991-06-27 Bayer Ag Verfahren zur herstellung von formkoerpern oder folien aus vernetzten polyisocyanat-polyadditionsprodukten und die so erhaltenen formkoerper
US5251849A (en) * 1989-12-26 1993-10-12 Florida International University For Board Of Regents Strain reduced airplane skin
DE4001249A1 (de) * 1990-01-18 1991-07-25 Bayer Ag Verfahren zur herstellung von offenzelligen, kaltverformbaren polyurethan-hartschaumstoffen und deren verwendung zur herstellung von autohimmeln
US5057544A (en) * 1990-11-16 1991-10-15 Basf Corporation Integral skin rigid urethane foam
CA2071030A1 (en) * 1991-06-17 1992-12-18 Kenneth P. Klapper Thermoformable polyisocyanurate foam laminates for interior finishing applications
US5260344A (en) * 1992-03-13 1993-11-09 Asahi Glass Company, Ltd. Open cell rigid isocyanurate foams and method for producing the same and vacuum heat insulating layer by use of the same
FR2737433B1 (fr) * 1995-08-02 1997-10-31 Maillet Orthopedie Sarl Procede de fabrication par moulage d'un siege notamment d'un siege orthopedique et siege obtenu
US6723761B1 (en) * 1996-02-15 2004-04-20 Bose Corporation Microcellular foaming
US6722611B1 (en) * 1999-09-20 2004-04-20 Kuang-Hsi Wu Reinforced aircraft skin and method
JP2002155125A (ja) * 2000-11-20 2002-05-28 Sumika Bayer Urethane Kk ポリウレタン変性ポリイソシアヌレートフォームの製造方法
CN1406258A (zh) 2000-12-27 2003-03-26 世界财产股份有限公司 聚氨酯泡沫材料及其制造方法
US6931763B2 (en) * 2002-08-05 2005-08-23 R.G. Barry Corporation Slipper insole, slipper, and method for manufacturing a slipper
US6990754B2 (en) * 2002-08-05 2006-01-31 R. G. Barry Corporation Slipper insole, slipper, and method for manufacturing a slipper
MXPA05012544A (es) 2003-06-12 2006-02-08 Huntsman Int Llc Proceso para preparar un material de poliisocianurato-poliuretano.
US20040266900A1 (en) * 2003-06-26 2004-12-30 Raymond Neff Viscoelastic polyurethane foam
US7208531B2 (en) * 2003-06-26 2007-04-24 Basf Corporation Viscoelastic polyurethane foam
US7238730B2 (en) * 2003-06-26 2007-07-03 Basf Corporation Viscoelastic polyurethane foam
US20070033835A1 (en) * 2005-08-02 2007-02-15 Bray Walter T Jr Insole arrangement; footwear with insole arrangement; and, method of preparation
JP5044561B2 (ja) * 2005-10-13 2012-10-10 ハンツマン・インターナショナル・エルエルシー ポリイソシアヌレートポリウレタン材料の製造方法
BRPI0616666B1 (pt) * 2005-10-13 2017-06-06 Huntsman Int Llc processo para a preparação de um material de poliisocianurato poliuretano elastomérico, e, material
WO2007096216A1 (en) * 2006-02-21 2007-08-30 Huntsman International Llc Process for making a polyisocyanurate composite
BRPI0712777B1 (pt) * 2006-06-14 2018-01-30 Huntsman International Llc Painel compósito e processo para fabricar o mesmo
EP2015014A1 (de) * 2007-07-11 2009-01-14 Bayer MaterialScience AG Verfahren zur Trocknung von Schäumen aus wässrigen PUR-Dispersionen
JP5986838B2 (ja) * 2011-07-28 2016-09-06 株式会社東洋クオリティワン 吸音衝撃吸収材及びその製造方法
CN102875770B (zh) * 2012-09-20 2014-03-26 吴江市天源塑胶有限公司 一种耐高温的改性聚异氰脲酸酯泡沫塑料的制备方法
CN109053993A (zh) * 2018-08-08 2018-12-21 浙江清优材料科技有限公司 一种动力电池电芯用防护材料
DE102018217545A1 (de) * 2018-10-12 2020-04-16 BSH Hausgeräte GmbH Verfahren und Haushaltsgerät

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3745133A (en) * 1968-02-05 1973-07-10 Upjohn Co Cellular isocyanurate containing polymers
US3644232A (en) * 1968-05-24 1972-02-22 Mobay Chemical Corp Flame-resistant, nonbursting polyisocyanurate foams
US3676380A (en) * 1969-05-19 1972-07-11 Upjohn Co Low friability polyisocyanurate foams
FR2086977A5 (sv) * 1970-04-15 1971-12-31 Naphtachimie Sa
US3857800A (en) * 1970-06-19 1974-12-31 Dunlop Holdings Ltd Flexible polyurethane foams prepared from a mixture of polyether polyols
BE792706A (nl) * 1972-01-13 1973-06-14 Shell Int Research Compositie geschikt voor toepassing in stijve isocyanuraten en werkwijze ter bereiding van dergelijke stijve isocyanuraten
JPS48101497A (sv) * 1972-04-04 1973-12-20
US3836424A (en) * 1972-07-18 1974-09-17 R Grieve Polyisocyanurate foam articles
US4009130A (en) * 1975-06-11 1977-02-22 Texaco Development Corporation Preparation of isocyanurate foams using alkali metal tertiaryamino dithiocarbamate salt catalysts

Also Published As

Publication number Publication date
JPS546280B2 (sv) 1979-03-27
DE2607380B2 (de) 1980-09-18
BE851698A (fr) 1977-08-22
NL7701943A (nl) 1977-08-26
US4129697A (en) 1978-12-12
JPS52103495A (en) 1977-08-30
DE2607380C3 (de) 1981-07-23
ES456177A1 (es) 1978-01-16
DE2607380A1 (de) 1977-08-25
SE434161B (sv) 1984-07-09
BR7700994A (pt) 1977-10-18
IT1083472B (it) 1985-05-21
GB1517673A (en) 1978-07-12

Similar Documents

Publication Publication Date Title
SE7702008L (sv) Sett att framstella varmbearbetbara isocyanuratskumplaster
DE50006255D1 (de) Feinzellige, wassergetriebene polyurethanhartschaumstoffe
ES2043945T3 (es) Mezclas liquidas de poliisocianato, un procedimiento para su obtencion y su empleo para la elaboracion de plasticos espumados blandos de poliuretano.
ES2110647T3 (es) Procedimiento para la obtencion de plasticos celulares de poliuretano.
SE7505597L (sv) Sett att framstella polyuretanskumplaster.
ES531474A0 (es) Procedimiento para preparar una espuma de poliuretano
DE68909870D1 (de) Weiche flexible Polyurethanschaumstoffe, Verfahren zu deren Herstellung sowie in diesem Verfahren verwendbare Polyolzusammensetzung.
ES2102472T3 (es) Espumas de poliuretano.
DE59507181D1 (de) Verfahren zur Herstellung von flammgeschützten Hartschaumstoffen auf Isocyanatbasis
ATE35273T1 (de) Polyisocyanurat-schaumstoffe aus abbauprodukten von polyalkylenterephthalat-polymeren und polyolen.
ATE151790T1 (de) Harte polyurethan- und polyisocyanurat- schaumstoffe
MX9603246A (es) Espumas de poliuretano rigidas aislantes.
TR199802657T2 (xx) Katı poliüretan köpükler için işlem
EP0293211A3 (en) Polyisocyanurate rigid foams
GB1423239A (en) Light-stable polyurethane foam
ATE157376T1 (de) Polyurethanschäume die verbesserte flammwidrigkeit aufweisen
EP0443158A3 (en) Rigid polyurethane foam and process for producing the same
DK0731120T3 (da) Fremgangsmåde til fremstilling af højelastiske polyurethanskumstoffer
ES472837A1 (es) Procedimiento para la obtencion de materiales sinteticos es-pumados
ES363948A1 (es) Un procedimiento para la preparacion de una espuma flexiblede poliuretano.
MX170589B (es) Proceso para la produccion de espumas de poliuretano celular y microcelular
MX9401042A (es) Procedimiento para la obtencion de plasticos celulares a base de isocianato.
CA2135352A1 (en) Rigid foams with improved insulation and physical properties
ATE16193T1 (de) Polyurethan-schaumstoff.
ES481144A1 (es) Procedimiento de fabricacion de espumas flexibles de poliuretano de alta elasticidad.

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 7702008-9

Effective date: 19920904

Format of ref document f/p: F