Flame retardant keratinous fibre
AssigneeAuckland Uniservices Limited
InventorsDebes BHATTACHARYYA, Dae Seung JUNG, Nam Kyeun KIM
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Abstract
The invention relates to a method of making a flame retardant material, and/or to a flame retardant material, and/or a polymer composite including the flame retardant material, and/or a method of making the polymer composite. More particularly, the invention relates to treatment of a keratinous fibre with a reactive amine and an inorganic acid to make a flame retardant material which is can be used in a polymer composite.
Claims25
A method of making a flame retardant material, the method including the steps of:
- (i) treating a keratinous fibre with a reactive amine;
- and
- (ii) treating the fibre with an inorganic acid.
- wherein step (i) and (ii) can be done in either order.
(canceled)
A flame retardant material including:
- keratinous fibre including between about 1 and 40% by weight above natural levels of phosphorus or sulphur.
(canceled)
19-20. (canceled)
(canceled)
A polymer composite including:
- a keratinous fibre,
- at least one synthetic polymer,
- wherein the keratinous fibre includes between about 1 and 40% by weight phosphorus or between about 1 and 40% by weight sulphur.
(canceled)
Dependencies are inferred from the claim text.