BINDERS
First Claim
Patent Images
1. A substantially formaldehyde free binder solution consisting essentially of a solution obtainable by dissolving;
- a reducing sugar,a material selected from the list consisting of ammonium sulphate salts, ammonium phosphate salts, ammonium nitrate salts and ammonium carbonate saltsoptionally a carboxylic acid or a precursor thereof andoptionally ammonia in water.
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Abstract
An un-reacted substantially formaldehyde free curable binder solution for binding loose matter consists essentially of a solution obtainable by dissolving a reducing sugar, an ammonium salt acid precursor optionally a carboxylic acid or a precursor thereof and optionally ammonia in water
185 Citations
23 Claims
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1. A substantially formaldehyde free binder solution consisting essentially of a solution obtainable by dissolving;
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a reducing sugar, a material selected from the list consisting of ammonium sulphate salts, ammonium phosphate salts, ammonium nitrate salts and ammonium carbonate salts optionally a carboxylic acid or a precursor thereof and optionally ammonia in water. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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2. (canceled)
- 14. A material comprising a collection of loose matter maintained together by a substantially formaldehyde free binder characterised in that the material comprises more than 500 mg/kg of species selected from the group consisting of sulphates, phosphates, nitrates and carbonates.
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17. A material comprising a collection of loose matter and uncured or partially cured substantially formaldehyde free binder characterised in that the binder has a pH of greater than 6 when dissolved in water and comprises
a reducing sugar, a material selected from the list consisting of ammonium sulphate salts, ammonium phosphate salts, ammonium nitrate salts and ammonium carbonate salts optionally a carboxylic acid or a precursor thereof and optionally ammonia
Specification