Biodegradable and/or home compostable sachet containing a solid article
AssigneeThe Procter & Gamble Company
InventorsStefano Bartolucci, Emily Charlotte Boswell, Su Anne Lee
Life of this patent
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Abstract
A sachet product that includes a biodegradable and/or home compostable sachet comprising a front film and a back film. In some examples, the front film and back film can include a middle layer that can contain paper with greater than 85% cellulose and an inner layer that can include different material, including but not limited to polyvinyl alcohol or polyhydroxylalkonate. The sachet can include a compartment adapted for storing a solid article where the solid article is an open cell foam. The open cell foam can include a water-soluble polymer and a surfactant.
Claims20
A sachet product comprising a solid article comprising an open cell foam and an ultimate biodegradable sachet comprising a front film and a back film comprising:
- a. a front middle layer and a back middle layer comprise a material selected from the group consisting of cellulose, cellulose acetate, metalized cellulose, metalized cellulose acetate, and combinations thereof;
- b. a front inner layer joined to the front middle layer and a back inner layer joined to the back middle layer wherein the front inner layer and the back inner layer comprise a material selected from the group consisting of polyvinyl alcohol, polybutylene succinate, polybutylene succinate adipate, polyhydroxylalkonate, carnauba wax, a biodegradable thermo-plastic starch, polyvinylidene chloride, and combinations thereof;
- wherein the sachet comprises a MVTR of from about 12 to about 800 g/sqm/day at 38° C. and 90% RH;
- wherein the front inner layer and the back inner layer being permanently joined around a perimeter to form a seal, the seal forming a compartment adapted for storing the solid article wherein the open cell foam comprises:
- a water-soluble polymer;
- a surfactant selected from the group consisting of anionic surfactants, cationic surfactants, nonionic surfactants, amphoteric surfactants, zwitterionic surfactants, and combinations thereof;
- a Percent Open Cell Content of from about 80% to 100%;
- an Overall Average Pore Size of from about 100 μm to about 2000 μm.
Dependencies are inferred from the claim text.