Under-hood material for motorcars comprising polyamide resin having hydrocarbon end groups
US4722996A · kind A · utility
2Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 9, 1986 |
| Grant date | Feb 2, 1988 |
| Priority date | — |
| Expiry date | Apr 9, 2006 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02F7/006
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed herein is an under-hood material for motorcars, prepared by molding a polymide resin comprising a caproamide component and/or a hexamethylene adipamide component as the major component thereof and having hydrocarbon groups of 6 to 22 carbon atoms as the end groups thereof, wherein (a) the number of the hydrocarbon groups is 5 to 100% of the total number of the end groups of the polyamide and (b) a relative viscosity of the polyamide is 2 to 6.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.