Polyesteramide from amino alcohol with improved gas barrier properties
US4855397A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 17, 1988 |
| Grant date | Aug 8, 1989 |
| Priority date | — |
| Expiry date | Nov 17, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G69/44
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polyesteramide resins useful for forming containers having improved resistance to gas permeability comprising the reaction product of PA0 (A) a dicarboxylic acid corresponding to the structure ##STR1## wherein X is --O--, --S-- or ##STR2## n.sub.1 is 0 or 1 and R.sub.1 is an aromatic structure containing 6 to 15 carbons, and PA0 (B) An aminoalcohol corresponding to the formula ##STR3## where n.sub.2 is 0 or 1 and R.sub.2 is an alphatic structure of 1 to 12 carbons.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.