Patent ID: 9475930
Filing Date: 2016-10-25
CPC Classification: C08L

Claim Text:
1. A composition, comprising: a polymer blend of: wherein the one or more PHA polymers improve performance of the polymer blend, and further wherein: the one or more PHA polymers comprise: a blend of a) a poly(3-hydroxybutyrate) homopolymer and b) a poly(3-hydroxybutyrate-co-4-hydroxybutyrate), wherein the content of 4-hydroxybutyrate in (b) is 20-50% by weight of (b), and the content of polymer (a) in the blend is 5% to 95% by weight of the blend; a blend of a) a poly(3-hydroxybutyrate) homopolymer and b) a poly(3-hydroxybutyrate-co-3-hydroxyvalerate), wherein the content of 3-hydroxyvalerate is 20% to 50% by weight of b), and the content of polymer (a) in the blend is 5% to 95% by weight of the blend; a blend of a) a poly(3-hydroxybutyrate) homopolymer blended with and b) a poly(3-hydroxybutyrate-co-3-hydroxyhexanoate), wherein the content of 3-hydroxyhexanoate in (b) is 5%-50% by weight of b), and the content of polymer (a) in the blend is 5% to 95% by weight of the blend; a blend of a) a poly(3-hydroxybutyrate-co-4-hydroxybutyrate), having the content of 4-hydroxybutyrate of 5% to 15% by weight of a), and b) poly(3-hydroxybutyrate-co-4-hydroxybutyrate), having the content of 4-hydroxybutyrate of 20-50% by weight of b), wherein the content of polymer (a) in the blend is 5% to 95% by weight of the blend; a blend of a) a poly(3-hydroxybutyrate-co-4-hydroxybutyrate), having the content of 4-hydroxybutyrate of 5% to 15% by weight of a), and b) poly(3-hydroxybutyrate-co-5-hydroxyvalerate), having the content of 5-hydroxyvalerate of 20% to 50% by weight of b), wherein the content of polymer (a) in the blend is 5% to 95% by weight of the blend; a blend of a) a poly(3-hydroxybutyrate-co-4-hydroxybutyrate), having the content of 4-hydroxybutyrate of 5% to 15% by weight of a), and b) a poly(3-hydroxybutyrate-co-3-hydroxyhexanoate), having the content of 3-hydroxyhexanoate of 5%-50% by weight of b), and wherein the content of polymer (a) in the blend is 5% to 95% by weight of the blend; a blend of a) a poly(3-hydroxybutyrate-co-3-hydroxyvalerate), having the content of 3-hydroxyvalerate of 5% to 22% by weight of a), and b) poly(3-hydroxybutyrate-co-4-hydroxybutyrate), having the content of 4-hydroxybutyrate of 20-50% by weight of b), and wherein the content of polymer (a) in the blend is 5% to 95% by weight of the blend; a blend of a) a poly(3-hydroxybutyrate-co-3-hydroxyvalerate), having the content of 3-hydroxyvalerate of 5% to 22% by weight of a), and b) a poly(3-hydroxybutyrate-co-5-hydroxyvalerate), having the content of 5-hydroxyvalerate of 20% to 50% by weight of b), wherein the content of polymer (a) in the blend is 5% to 95% by weight of the blend; a blend of a) a poly(3-hydroxybutyrate-co-3-hydroxyvalerate), having the content of 3-hydroxyvalerate of 5% to 22% by weight of a), and b) a poly(3-hydroxybutyrate-co-3-hydroxyhexanoate), having the content of 3-hydroxyhexanoate of 5%-50% by weight of b), and wherein the content of polymer (a) in the blend is 5% to 95% by weight of the blend; a blend of a) a poly(3-hydroxybutyrate-co-3-hydroxyhexanoate), having the content of 3-hydroxyhexanoate of 3% to 15% by weight of a), and b) a poly(3-hydroxybutyrate-co-4-hydroxybutyrate), having the content of 4-hydroxybutyrate of 20-50% by weight of b), and wherein the content of the polymer (a) in the blend is 5% to 95% by weight of the blend; a blend of a) a poly(3-hydroxybutyrate-co-3-hydroxyhexanoate), having the content of 3-hydroxyhexanoate of 3% to 15% by weight of a), and b) a poly(3-hydroxybutyrate-co-5-hydroxyvalerate), having the content of 5-hydroxyvalerate of 20% to 50% by weight of b), and wherein the content of polymer (a) in the blend is 5% to 95% by weight of the blend; or a blend of a) a poly(3-hydroxybutyrate-co-3-hydroxyhexanoate), having the content of 3-hydroxyhexanoate of 3% to 15% by weight of a), and b) a poly(3-hydroxybutyrate-co-3-hydroxyhexanoate), having the content of 3-hydroxyhexanoate of 5%-50% by weight of b), and wherein the content of polymer (a) in the blend is 5% to 95% by weight of the blend, and further wherein the biobased content of the combined polymers (a) and (b) is 20% to 60% by weight of the combined polymers (a) and (b); and wherein the content of polymer (b) in the combined polymers (a) and (b) is 40% to 80% by weight of the combined weight of polymers (a) and (b).