Particle-comprising polyether alcohols
US-9403963-B2 · Aug 2, 2016 · US
Use of pentaethylenehexamine in the production of polyurethane systems
US2016304685A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016304685-A1 |
| Application number | US-201415035848-A |
| Country | US |
| Kind code | A1 |
| Filing date | Oct 23, 2014 |
| Priority date | Nov 18, 2013 |
| Publication date | Oct 20, 2016 |
| Grant date | — |
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Abstract
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The invention relates to a process for production of polyurethane systems by reacting at least one polyol component with at least one isocyanate component in the presence of one or more catalysts for the isocyanate-polyol and/or isocyanate-water reactions and/or the trimerization of isocyanate, wherein said reacting is carried out in the presence of pentaethylenehexamine, and also to correspondingly obtained polyurethane systems.
First claim
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1 . A process for production of polyurethane systems by reacting at least one polyol component with at least one isocyanate component in the presence of one or more catalysts for the isocyanate-polyol and/or isocyanate-water reactions and/or the trimerization of isocyanate, characterized in that said reacting is carried out in the presence of pentaethylenehexamine. 2 . The process according to claim 1 , wherein pentaethylenehexamine is used in a mass fraction of 0.0001 to 10 parts, based on 100 parts of polyol component. 3 . The process according to claim 1 , wherein the polyurethane system produced is a polyurethane foam. 4 . A polyurethane system obtainable by a process according to claim 1 . 5 . The polyurethane system according to claim 4 , wherein it includes from 0.001 to 10 wt % of pentaethylenehexamine. 6 . The polyurethane system according to claim 4 , wherein the polyurethane system is a rigid polyurethane foam, a flexible polyurethane foam, a viscoelastic foam, an HR foam, a semi-rigid polyurethane foam, a thermoformable polyurethane foam or an integral foam, preferably an HR polyurethane foam. 7 - 9 . (canceled) 10 . A polyurethane system (in particular a polyurethane foam) containing pentaethylenehexamine in an amount of 0.0001 to 10 wt % based on the overall weight of the polyurethane system (in particular of the polyurethane foam), obtainable in particular by admixing the pentaethylenehexamine before, during or after the production of the polyurethane system, in particular of the polyurethane foam.
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Classifications
having alkylene polyamine groups · CPC title
Acoustic or vibration damping material · CPC title
containing two or more aromatic rings · CPC title
- C08J9/0028Primary
containing nitrogen · CPC title
Manufacture of cellular products · CPC title
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- What does patent US2016304685A1 cover?
- The invention relates to a process for production of polyurethane systems by reacting at least one polyol component with at least one isocyanate component in the presence of one or more catalysts for the isocyanate-polyol and/or isocyanate-water reactions and/or the trimerization of isocyanate, wherein said reacting is carried out in the presence of pentaethylenehexamine, and also to correspond…
- Who is the assignee on this patent?
- Evonik Degussa Gmbh
- What technology area does this patent fall under?
- Primary CPC classification C08J9/0028. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Thu Oct 20 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).