Reaction product derived from amine-functionalized elastomers and maleated polyolefins
US7056979B1 · kind B1 · utility
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14Claims
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Key dates
| Filing date | Jun 12, 1998 |
| Grant date | Jun 6, 2006 |
| Priority date | — |
| Expiry date | Mar 14, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G81/022
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A reaction product is prepared by reacting a first polymer having pendant or terminal carboxyl or anhydride groups with a second polymer (e.g. elastomer) having an amine containing terminal group. The second polymer is anionically polymerized. The second polymer is functionalized by reacting the growing anionic chain end with an imine. Then a protic terminating agent terminates the growing chain end. The first and second polymers are reacted by mixing (desirably above their softening temperatures) and forming a blend with improved physical properties over a blend of similar polymers lacking a reactive amine group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.