CA2239620C - Mousse de polyurethane moulee presentant des proprietes physiques ameliorees - Google Patents

Mousse de polyurethane moulee presentant des proprietes physiques ameliorees Download PDF

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Publication number
CA2239620C
CA2239620C CA 2239620 CA2239620A CA2239620C CA 2239620 C CA2239620 C CA 2239620C CA 2239620 CA2239620 CA 2239620 CA 2239620 A CA2239620 A CA 2239620A CA 2239620 C CA2239620 C CA 2239620C
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CA
Canada
Prior art keywords
polyol
foam
unsaturation
polyoxyalkylene
polyols
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
CA 2239620
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English (en)
Other versions
CA2239620A1 (fr
Inventor
Andrew M. Thompson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer Antwerpen NV
Original Assignee
Bayer Antwerpen NV
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
Priority claimed from US08/566,559 external-priority patent/US5700847A/en
Application filed by Bayer Antwerpen NV filed Critical Bayer Antwerpen NV
Publication of CA2239620A1 publication Critical patent/CA2239620A1/fr
Application granted granted Critical
Publication of CA2239620C publication Critical patent/CA2239620C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

La présente invention concerne des prépolymères à terminaisons isocyanates obtenus à partir de polyéther polyols de polyoxyalkylène faiblement insaturés. Ces prépolymères conviennent particulièrement à la production de mousse de polyuréthane moulée présentant des propriétés physiques exceptionnelles. De préférence, toutes ces mousses sont gonflées à l'eau et sont faciles à mettre en oeuvre. Ces mousses, présentent une résistance à la traction et un allongement améliorés et font preuve entre autres d'excellentes propriétés de rémanence à la compression à l'état humide.
CA 2239620 1995-12-04 1996-11-15 Mousse de polyurethane moulee presentant des proprietes physiques ameliorees Expired - Lifetime CA2239620C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/566,559 US5700847A (en) 1995-12-04 1995-12-04 Molded polyurethane foam with enhanced physical properties
US08/566,559 1995-12-04
PCT/US1996/018456 WO1997020875A1 (fr) 1995-12-04 1996-11-15 Mousse de polyurethane moulee presentant des proprietes physiques ameliorees

Publications (2)

Publication Number Publication Date
CA2239620A1 CA2239620A1 (fr) 1997-06-12
CA2239620C true CA2239620C (fr) 2007-05-29

Family

ID=29406090

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2239620 Expired - Lifetime CA2239620C (fr) 1995-12-04 1996-11-15 Mousse de polyurethane moulee presentant des proprietes physiques ameliorees

Country Status (1)

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CA (1) CA2239620C (fr)

Also Published As

Publication number Publication date
CA2239620A1 (fr) 1997-06-12

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Effective date: 20161115