Molded articles of starch-polymer-wax-oil compositions

The molded article of claim 2, wherein the thermoplastic polymer is selected from the group consisting of polypropylene, polyethylene, polypropylene co-polymer, polyethylene co-polymer, polyethylene terephthalate, polybutylene terepthalate, polylactic acid, polyhydroxyalkanoates, polyamide-6, polyamide-6,6, and combinations thereof.

The molded article of claim 4, wherein the polypropylene has a molecular weight of about 20 kDa to about 400 kDa.

The molded article of claim 4, wherein the polypropylene has a melt flow index of greater than 5 g/10 min.

The molded article of claim 8, comprising about 30 wt % to 70 wt % of the thermoplastic polymer, based upon the total weight of the composition.

The molded article of claim 10, comprising about 10 wt % to about 20 wt % of the oil, wax or combination thereof, based upon the total weight of the composition.

The molded article of claim 12, wherein the lipid comprises a monoglyceride, diglyceride, triglyceride, fatty acid, fatty alcohol, esterified fatty acid, epoxidized lipid, maleated lipid, hydrogenated lipid, alkyd resin derived from a lipid, sucrose polyester, or combinations thereof.

The molded article of claim 14, wherein the mineral oil or mineral wax comprises a linear alkane, a branched alkane, or combinations thereof.

The molded article of claim 17, wherein the plant oil is soy bean oil, corn oil, canola oil, palm kernel oil, or a combination thereof.

The molded article of claim 19, wherein the droplet size is less than 1 μm.

The molded article of claim 22, wherein the plasticizer comprises a polyol.

The molded article of claim 22, wherein the plasticizer is selected from the group consisting of glycerol, ethylene glycol, propylene glycol, ethylene diglycol, propylene diglycol, ethylene triglycol, propylene triglycol, polyethylene glycol, polypropylene glycol, 1,2-propanediol, 1,3-propanediol, 1,2-butanediol, 1,3-butanediol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, 1,5-hexanediol, 1,2,6-hexanetriol, 1,3,5-hexanetriol, neopentyl glycol, trimethylolpropane, pentaerythritol, sorbitol, glycerol ethoxylate, tridecyl adipate, isodecyl benzoate, tributyl citrate, tributyl phosphate, dimethyl sebacate, urea, pentaerythritol ethoxylate, sorbitol acetate, pentaerythritol acetate, ethylenebisformamide, sorbitol diacetate, sorbitol monoethoxylate, sorbitol diethoxylate, sorbitol hexaethoxylate, sorbitol dipropoxylate, aminosorbitol, trihydroxymethylaminomethane, glucose/PEG, a reaction product of ethylene oxide with glucose, trimethylolpropane monoethoxylate, mannitol monoacetate, mannitol monoethoxylate, butyl glucoside, glucose monoethoxylate, α-methyl glucoside, carboxymethylsorbitol sodium salt, sodium lactate, polyglycerol monoethoxylate, erythriol, arabitol, adonitol, xylitol, mannitol, iditol, galactitol, allitol, malitol, formaide, N-methylformamide, dimethyl sulfoxide, an alkylamide, a polyglycerol having 2 to 10 repeating units, and combinations thereof.

The molded article of claim 22, wherein the starch or starch derivative is selected from the group consisting of starch, hydroxyethyl starch, hydroxypropyl starch, carboxymethylated starch, starch phosphate, starch acetate, a cationic starch, (2-hydroxy-3-trimethyl(ammoniumpropyl) starch chloride, a starch modified by acid, base, or enzyme hydrolysis, a starch modified by oxidation, and combinations thereof.

The molded article of claim 22, comprising about 10 wt % to about 80 wt % of the thermoplastic starch, based upon the total weight of the composition.

The molded article of claim 29, wherein the additive is oil soluble or oil dispersible.

The molded article of claim 29, wherein the additive is a perfume, dye, pigment, surfactant, nanoparticle, antistatic agent, filler, nucleating agent, or combination thereof.