Abstract: There is provided a multilayer film comprising a starch layer and at least one other layer. The multilayer film has excellent barrier properties. The starch layer comprises a modified starch having a degree of substitution less than 1.5. Suitable other layers include polyolefins. The multilayer film finds use in packaging, particularly in packaging foodstuffs.
Type:
Application
Filed:
December 11, 2020
Publication date:
April 1, 2021
Applicant:
Plantic Technologies Limited
Inventors:
Nicholas John McCaffrey, Roya Khalil, Nicholas Roy Oakley, Brendan Morris
Abstract: There is provided a multilayer film comprising a starch layer and at least one other layer. The multilayer film has excellent barrier properties. The starch layer comprises a modified starch having a degree of substitution less than 1.5. Suitable other layers include polyolefins. The multilayer film finds use in packaging, particularly in packaging foodstuffs.
Type:
Application
Filed:
April 16, 2018
Publication date:
August 16, 2018
Applicant:
Plantic Technologies Limited
Inventors:
Nicholas John McCaffrey, Roya Khalil, Nicholas Roy Oakley, Brendan Morris
Abstract: A polymer composition and its use for thin film packaging applications including on a dry basis: a) from 45 to 90% by weight of starch; b) from 0.1 to 15% by weight of a water soluble polymer selected from polyvinyl alcohol, polyvinylacetate, and copolymers of ethylene and vinyl alcohol which have a melting point compatible with the molten state of the starch component; and c) from 5 to 45% by weight of one or more plasticizers having a molecular weight in the range of 50-6000, more preferably 50-2500 and more preferably still 100-400 and desirably selected from the group consisting of sorbitol, glycerol, maltitol, xylitol, mannitol, erythritol, glycerol trioleate, tributyl citrate, acetyl tri-ethyl citrate, glyceryl triacetate, 2,2,4-trimethyl-1,3-pentanediol diisobutyrate, polyethylene oxide, ethylene glycol, diethylene glycol or polyethylene glycol.
Type:
Grant
Filed:
April 18, 2007
Date of Patent:
April 2, 2013
Assignee:
Plantic Technologies Limited
Inventors:
Nicholas R. Oakley, Nicholas J. McCaffrey, Kishan C. Khemani
Abstract: Disclosed is a composition comprises or is produced from a biopolymer, an olefin copolymer, and an optional polymer wherein the biopolymer comprises repeat units derived from a glycoside. Also disclosed is an article comprising or produced from the composition.
Type:
Grant
Filed:
January 25, 2008
Date of Patent:
June 22, 2010
Assignee:
Plantic Technologies Limited
Inventors:
Karlheinz Hausmann, Peter A. Morken, Kishan Chand Khemani, Paul Anthony Perry