COMPOSITIONS AND METHODS FOR BIODEGRADABLE, BIOMASS-BASED POLYESTERS
The disclosure relates to biomass-based polyester materials; methods of making biomass-based polyester materials; polyester compositions comprising the disclosed biomass-based polyester materials; polymer compositions comprising the biomass-based polyester materials and one or more additional polymer, including a conventional or non-biomass-based polymer; and articles comprising the disclosed biomass-based polyester materials or disclosed polymer compositions comprising a disclosed biomass-based polyester materials.
1 . A method of making a biomass-based polyester material, the method comprising the step of polycondensation of a first monomer component comprising at least one diol and a second monomer component comprising at least one dicarboxylic acid component, thereby forming the biomass-based polyester material;
wherein polycondensation is carried out in the presence of a catalyst; and
wherein the first monomer component, the second monomer component, or both comprise at least one biomass-based monomer component.
2 . The method of claim 1 , wherein the first monomer component is present in about 10 parts to about 150 parts on a molar basis and wherein the second monomer component is present in about 10 parts to about 150 parts on a molar basis.
3 . The method of claim 1 , wherein the first monomer component comprises a biomass-based monomer component, wherein the biomass-based monomer is selected from 1,5-pentanediol (1,5-PDO), tetrahydrofurandimethanol (THFDM), furandimethanol (FDM), and combinations thereof.
4 . The method of claim 1 , wherein the first monomer component comprises a biomass-based monomer component, wherein the biomass-based monomer comprises 1,5-pentanediol (1,5-PDO).
5 . The method of claim 1 , wherein the biomass-based polyester material has a molecular weight of from about 70 kDa to about 200 kDa.
6 . The method of claim 1 , wherein the second monomer component is selected from adipic acid and one of terephthalic acid (TPA) and furandicarboxylic acid (FDCA).
7 . The method of claim 1 , wherein the first monomer component comprises a first diol component and a second diol component, wherein the first diol component is present in an amount of about 10 to about 150 parts; wherein the second diol component is present in an amount of about 10 to about 150 parts; wherein the first diol component and the second diol component are present in an aggregate amount of not greater than about 150 parts; and
wherein parts are given on a molar basis.
8 . The method of claim 1 , wherein the second monomer component comprises a biomass-based monomer, wherein the second monomer component is selected from terephthalic acid (TPA), furandicarboxylic acid (FDCA), adipic acid, and combinations thereof.
9 . The method of claim 1 , wherein the second monomer component comprises a first dicarboxylic acid component and a second dicarboxylic acid component, wherein the first dicarboxylic acid component is present in an amount of about 10 to about 150 parts; wherein the second dicarboxylic acid component is present in an amount of about 10 to about 150 parts; wherein the first dicarboxylic acid component and the second dicarboxylic acid component are present in an aggregate amount of not greater than about 150 parts; and wherein parts are given on a molar basis.
10 . The method of claim 1 , wherein the biomass-based polyester material has a structure given by one of the following formulas:
11 . The method of claim 1 , wherein the biomass-based polyester material has a structure given by the formula:
wherein R is a C5 aliphatic chain.
12 . A biomass-based polyester material comprising repeating units derived from a first monomer component comprising at least one diol and repeating units derived from a second monomer component comprising at least one dicarboxylic acid component;
wherein the repeating units derived from the first monomer component are present in an amount of from about 25 mol % to about 75 mol %;
wherein the repeating units derived from the second monomer component are present in an amount of from about 25 mol % to about 75 mol %;
wherein the ratio of the first monomer to the second monomer, on a molar basis, is from about 1.5:1 to about 1:1.5;
wherein the mol % is based on the total of the repeating units derived from the first monomer component and the repeating units derived from the second monomer component;
wherein the repeating units are derived from at least one biomass-based monomer component; and
wherein the at least one biomass-based monomer component is the first monomer component, the second monomer component, and combinations thereof.
13 . The biomass-based polyester material of claim 12 , wherein the repeating units derived from the first monomer component are present in an amount of from about 35 mol % to about 65 mol %.
14 . The biomass-based polyester material of claim 12 , wherein the repeating units derived from the first monomer component comprise a biomass-based monomer component, wherein the biomass-based monomer is selected from 1,5-pentanediol (1,5-PDO), tetrahydrofurandimethanol (THFDM), furandimethanol (FDM), and combinations thereof.
15 . The biomass-based polyester material of claim 12 , wherein the first monomer component comprises a biomass-based monomer component, wherein the biomass-based monomer comprises 1,5-pentanediol (1,5-PDO).
16 . The biomass-based polyester material of claim 12 , wherein the biomass-based polyester material has a molecular weight of from about 70 kDa to about 200 kDa.
17 . The biomass-based polyester material of claim 12 , wherein the second monomer component is selected from adipic acid and one of terephthalic acid (TPA) and furandicarboxylic acid (FDCA).
18 . The biomass-based polyester material of claim 12 , wherein the second monomer component comprises a biomass-based monomer, wherein the second monomer component is selected from terephthalic acid (TPA), furandicarboxylic acid (FDCA), adipic acid, and combinations thereof.
19 . The biomass-based polyester material of claim 12 , wherein the biomass-based polyester material has a structure given by one of the following formulas:
20 . The biomass-based polyester material of claim 12 , wherein the biomass-based polyester material has a structure given by the formula:
wherein R is a C5 aliphatic chain.