Polymer blend compositions and degradable extruded netting made therefrom
AssigneeDelStar Technologies, Inc.
InventorsJeffrey David Kirk, Andrew John Thoen
Life of this patent
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Abstract
Degradable extruded nettings include a plurality of interconnected strands, at least some of the strands being made from a polymeric blend, the polymeric blend including polylactic acid polymer composition, polybutyrate adipate terephthalate polymer composition, polylactic acid-polybutyrate compatibilizer, and a degradation additive, the degradation additive including a degrader in a carrier resin.
Claims19
A degradable extruded netting comprising:
- a plurality of interconnected strands, at least some of the strands being made from a polymeric blend, the polymeric blend including:
- a polylactic acid composition in an amount ranging from about 55 wt % to about 60 wt %, wherein the polylactic acid composition comprises one or more polylactic acid polymers derived from plant starch;
- a polybutylene adipate terephthalate (PBAT) composition in an amount ranging from about 35 wt % to about 40 wt %;
- a compatibilizer composition in an amount ranging from about 0.5 wt % to about 3 wt %;
- and
- a degradation additive in an amount ranging from about 2 wt % to about 7 wt %.
A polymeric blend composition suitable for preparing a degradable extruded netting, the polymeric blend composition comprising:
- a polylactic acid composition in an amount ranging from about 55 wt % to about 60 wt %;
- a polybutyrate composition in an amount ranging from about 35 wt % to about 40 wt %;
- a compatibilizer composition in an amount ranging from about 0.5 wt % to about 3 wt %,
- wherein the compatibilizer composition comprises a compatibilizer selected from polypropyleneglycol diglycidyl ether, epoxidized cottonseed oil (ECSO), or maleinized (MCSO) cottonseed oil;
- and
- a degradation additive in an amount ranging from about 2 wt % to about 7 wt %.
A degradable extruded netting comprising:
- a plurality of interconnected strands, at least some of the strands being made from a polymeric blend, the polymeric blend including:
- a polylactic acid composition in an amount ranging from about 55 wt % to about 60 wt %;
- a polybutylene adipate terephthalate (PBAT) composition in an amount ranging from about 35 wt % to about 40 wt %;
- a compatibilizer composition in an amount ranging from about 0.5 wt % to about 3 wt %, wherein the compatibilizer composition comprises a compatibilizer selected from the group consisting of polypropyleneglycol diglycidyl ether, epoxidized cottonseed oil (ECSO), or maleinized cottonseed oil (MCSO);
- and
- a degradation additive in an amount ranging from about 2 wt % to about 7 wt %.
Dependencies are inferred from the claim text.