Plasticzer in alkyl acrylate vinylidene chloride polymer
US7754300B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 26, 2005 |
| Grant date | Jul 13, 2010 |
| Priority date | — |
| Expiry date | Apr 22, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1397
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Articles comprise a monolayer blown film prepared from a composition comprising at least one vinylidene chloride polymer and at least one plasticizer wherein at least one vinylidene chloride polymer comprises vinylidene chloride and at least one alkyl acrylate, selected from methyl acrylate, ethyl acrylate, or butyl acrylate or a combination thereof in an amount of from 2.5 to 9 mole percent of the monomer content of the vinylidene chloride polymer and wherein the plasticizer is present in an amount of from 1 to 15 parts by weight per hundred parts of polymer, wherein the article is selected from a package, a container, a laminate, sausage casing or combination thereof, particularly a sausage casing, wherein at least 4 of designated characteristics are present. The invention also includes processes for making articles of the invention and films used therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.