Polyaminoboranes
AssigneesCentre National de la Recherche Scientifique (CNRS), Universite De Rennes
InventorsGilles Alcaraz, Carlos Antonio De Albuquerque Pinheiro, Claire Roiland
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Abstract
A process for preparing a polyaminoborane comprising reacting at least one monomer with an aminoborane, wherein the at least one monomer is selected from the group consisting of ammonia, a primary amine and a substituted or unsubstituted hydrazine; and wherein the aminoborane comprises a borane substituted by a secondary amino group; polyaminoboranes obtainable by said process; use of said polyaminoboranes for the preparation of a ceramic precursor or a ceramic, the production of boron nitride, or the storage and/or production of dihydrogen; ceramic precursors, ceramics, hydrogen cells or energy materials comprising said polyaminoboranes.
Claims6
A polyaminoborane comprising at least one repeating unit of formula R5NH—BR3R4, wherein R3 and R4 are the same or different and are selected from the group consisting of a hydrogen atom, a substituted or unsubstituted heteroatom and a linear, branched, cyclic or cyclic and branched organic group having from 1 to 30 carbon atoms;
- or R3 and R4 together form a cyclic or cyclic and branched organic group having from 3 to 30 carbon atoms;
- wherein R5 is selected from the group consisting of a hydrogen atom, a substituted or unsubstituted nitrogen atom and a linear, branched, cyclic or cyclic and branched organic group having from 1 to 30 carbon atoms;
- wherein if R5 is a hydrogen atom or a methyl group, at least one of R3 and R4 is not a hydrogen atom;
- and
- wherein if R5 is a n-butyl group, at least one of R3 and R4 is not a hydrogen atom, or the polyaminoborane has a mass average molecular weight greater than or equal to 500,000;
- and
- wherein the polyaminoborane has at least one of the following formulas:
- [R5NH—BR3R4]n, wherein n is a number greater than 10;
- and
- [R5NH—BR3R4]m[R6NH—BR3R4](n-m), wherein n is a number greater than 10 and m is a number greater than or equal to 10 and less than n;
- wherein R6 is different from R5 and R6 is selected from the group consisting of a hydrogen atom, a substituted or unsubstituted nitrogen atom and a linear, branched, cyclic or cyclic and branched organic group having from 1 to 30 carbon atoms;
- and wherein if R5 is methyl, at least one of R3 and R4 is not a hydrogen atom, or R6 is not a hydrogen atom or a n-butyl group;
- and
- wherein at least one of R3 and R4 is a hydrogen atom.
A ceramic precursor or ceramic comprising a polyaminoborane comprising at least one repeating unit of formula R5NH—BR3R4, wherein R3 and R4 are the same or different and are selected from the group consisting of a hydrogen atom, a substituted or unsubstituted heteroatom and a linear, branched, cyclic or cyclic and branched organic group having from 1 to 30 carbon atoms;
- or R3 and R4 together form a cyclic or cyclic and branched organic group having from 3 to 30 carbon atoms;
- wherein R5 is selected from the group consisting of a hydrogen atom, a substituted or unsubstituted nitrogen atom and a linear, branched, cyclic or cyclic and branched organic group having from 1 to 30 carbon atoms
- wherein if R5 is a dydrogen atom or a methyl group, at least one of R3 and R4 is not a hydrogen atom;
- and
- wherein if R5 is a n-butyl group, at least one of R3 and R4 is not a hydrogen atom, or the polyaminoborane has a mass average molecular weight greater than or equal to 500,000;
- and
- wherein the polyaminoborane has at least one of the following formulas:
- ]R5NH—BR3R4]n, wherein n is a number greater than 10;
- and
- ]R5NH—BR3R4]m[R6NH—BR3R4](n-m), wherein n is a number greater than 10 and m is a number greater than or equal to 10 and less than n;
- wherein R6 is different from R5 and R6 is selected from the group consisting of a hydrogen atom, a substituted or unsubstituted nitrogen atom and a linear, branched, byclic or cyclic and branched organic group having from 1 to 30 carbon atoms;
- and wherein if R5 is methyl, at least one of R3 and R4 is not a hydrogen atom, or R6 is not a hydrogen atom or a n-butyl group.
A hydrogen fuel cell or energy material comprising a polyaminoborane comprising at least one repeating unit of formula R5NH—BR3R4, wherein R3 and R4 are the same or different and are selected from the group consisting of a hydrogen atom, a substituted or unsubstituted heteroatom and a linear, branched, cyclic or cyclic and branched organic group having from 1 to 30 carbon atoms;
- or R3 and R4 together form a cyclic or cyclic and branched organic group having from 3 to 30 carbon atoms;
- wherein R5 is selected from the group consisting of a hydrogen atom, a substituted or unsubstituted nitrogen atom and a linear, branched, cyclic or cyclic and branched organic group having from 1 to 30 carbon atoms
- wherein if R5 is a hydrogen atom or a methyl group, at least one of R3 and R4 is not a hydrogen atom;
- and
- wherein if R5 is a n-butyl group, at least one of R3 and R4 is not a hydrogen atom, or the polyaminoborane has a mass average molecular weight greater than or equal to 500,000;
- and
- wherein the polyaminoborane has at least one of the following formulas:
- [R5NH—BR3R4]n, wherein n is a number greter than 10;
- and
- [R5NH—BR3R4]m[R6NH—BR3R4](n-m), wherein n is a number greater than 10 and m is a number greater than or equal to 10 and less than n;
- wherein R6 is different from R5 and R6 is selected from the group consisting of a hydrogen atom, a substituted or unsubstituted nitrogen atom and a linear, branched, cyclic or cyclic and branched organic group having from 1 to 30 carbon atoms;
- and wherein if R5 is methyl, at least one of R3 and R4 is not a hydrogen atom, or R6 is not a hydrogen atom or a n-butyl group.
A method comprising:
- preparing a ceramic precursor or a ceramic, or
- preparing boron nitride, or
- storing and/or producing dihydrogen,
- from a polyaminoborane comprising at least one repeating unit of formula R5NH—BR3R4, wherein R3 and R4 are the same or different and are selected from the group consisting of a hydrogen atom, a substituted or unsubstituted heteroatom and a linear, branched, cyclic or cyclic and branched organic group having from 1 to 30 carbon atoms;
- or R3 and R4 together form a cyclic or cyclic and branched organic group having from 3 to 30 carbon atoms;
- wherein R5 is selected from the group consisting of a hydrogen atom, a substituted or unsubstituted nitrogen atom and a linear, branched, cyclic or cyclic and branched organic group having from 1 to 30 carbon atoms
- wherein if R5 is a hydrogen atom or a methyl group, at least one of R3 and R4 is not a hydrogen atom;
- and
- wherein if R5 is a n-butyl group, at least one of R3 and R4 is not a hydrogen atom, or the polyaminoborane has a mass average molecular weight greater than or equal to 500,000;
- and
- wherein the polyaminoborane has at least one of the following formulas:
- [R5NH—BR3R4]n, wherein n is a number greater than 10;
- and
- [R5NH—BR3R4]m [R6NH—BR3R4](n-m), wherein n is a number greater than 10 and m is a number greater than or equal to 10 and less than n;
- wherein R6 is different from R5 and R6 is selected from the group consisting of a hydrogen atom, a substituted or unsubstituted nitrogen atom and a linear, branched, cyclic or cyclic and branched organic group having from 1 to 30 carbon atoms;
- and wherein if R5 is methyl, at least one of R3 and R4 is not a hydrogen atom, or R6 is not a hydrogen atom or a n-butyl group.
Dependencies are inferred from the claim text.