Synthesis and evaluation of the thermal properties of biosourced poly(ether)ureas and copoly(ether)ureas from 1,4:3,6‐dianhydrohexitols

Abstract

Biosourced poly(ether)ureas and co‐poly(ether)ureas were synthesized starting from three diamines based on 1,4:3,6‐dianhydrohexitols. The obtained products were fully characterized and showed high thermal properties (Tg/Tm: 126‐158 °C/235‐330 °C).

New biosourced AA and AB monomers from 1,4:3,6-dianhydrohexitols, Isosorbide, Isomannide, and Isoidide

“…Second, Jaffe and al. reported a melting point for Isoidide based phenyl ester analogue of 117 °C,[ 24 ] whilst the corresponding protected Isosorbide analogue 1e melts in the range of 125–145 °C.…”

“…In another context, Jaffe published appealing AB type monomers containing phenyl moieties with both ester and ether linkers. [ 24 ] The DAH backbone was Isosorbide type for the former and Isoidide type for the latter. This strategy allowed them to obtain semicrystalline thermoplastics due to the controlled orientation of the hydroxyl functions for the former monomer.…”

Sustainable cycloaliphatic polyurethanes: from synthesis to applications

“…332,333 Dietheramides (54a, 54b, 54c) were developed from the reaction between three isohexides isomers with 4-fluoronitrobenzene, which were used for the synthesis of polyurea with high thermal resistance. 334 Also, four biobased isohexide-based polyester polyols were produced via esterification reaction or ROP. Firstly, the reaction of 4-fluoronitrobenzene with the endo group of isosorbide led to the formation of amino-alcohol, which was used as an initiator for the ROP of e-caprolactone on its primary amine group.…”

“…332,333 Dietheramides ( 54a , 54b , 54c ) were developed from the reaction between three isohexides isomers with 4-fluoronitrobenzene, which were used for the synthesis of polyurea with high thermal resistance. 334…”

Synthesis and characterization of novel biosourced building blocks from isosorbide

“…[3][4][5][6] More specifically, isosorbide (Is), the most produced monomer on industrial scale, was extensively investigated but suffered from a lack of reactivity on its hydroxyl functions [7] Therefore in order to be used in commercial polymers, more reactive 1,4:3,6-dianhydrohexitols derivatives were needed. In this field, several interesting works dealt with their transformation into amines, [8,9] acids, [10] or extended primary alcohols. [11] In this context, the majority of interest was focused on isosorbide as being central core and the modification was mainly considered at both extremities in order to build diesters [12,13] or oligoesters, diglycidyl ethers, [14] diamines, [15][16][17] diacids [18], and so on.…”