Phosphorus-Containing Mixtures, Processes for Preparing Them and Use Thereof
AssigneeClariant Finance (BVI) Limited
InventorsHarald Bauer, Sebastian Hoerold, Martin Sicken
Life of this patent
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Abstract
The invention provides phosphorus-containing mixtures comprising a) from 50 to 100 mol % of compounds of the formula (1) in which R1 and R2 are identical or different and are C6-C9-alkyl, b) 0 to 50 mol % of compounds of the formula (1) in which R1 is H and R2 is C6-C9-alkyl, c) 0 to 50 mol % of compounds of the formula (1) in which R1 is OH and R2 is C6-C9-alkyl, d) from 0 to 50 mol % of compounds of the formula (1) in which R1 is OH and R2 is H, and e) from 0 to 50 mol % of compounds of the formula (1) in which R1 is H and R2 is H, with the sum of a), b), c), d), and e) always being 100 mol %.
Claims19
A phosphorus-containing mixture comprising
- a) 50 to 100 mol % of compounds of the formula (1)
- wherein R1 and R2 are identical or different and are C6-C9-alkyl,
- b) 0 to 50 mol % of compounds of the formula (1), wherein R1 is H and R2 is C6-C9-alkyl,
- c) 0 to 50 mol % of compounds of the formula (1), wherein R1 is OH and R2 is C6-C9-alkyl,
- d) 0 to 50 mol % of compounds of the formula (1), wherein R1 is OH and R2 is H, and
- e) 0 to 50 mol % of compounds of the formula (1), wherein R1 is H and R2 is H,
- where the sum of a), b), c), d), and e) is 100 mol %.
A process for producing a phosphorus-containing mixture, wherein the mixture includes
- a) 50 to 100 mol % of compounds of the formula (1)
- wherein R1 and R2 are identical or different and are C6-C9-alkyl,
- b) 0 to 50 mol % of compounds of the formula (1), wherein R1 is H and R2 is C6-C9-alkyl,
- c) 0 to 50 mol % of compounds of the formula (1), wherein R1 is OH and R2 is C6-C9-alkyl,
- d) 0 to 50 mol % of compounds of the formula (1), wherein R1 is OH and R2 is H, and
- e) 0 to 50 mol % of compounds of the formula (1), wherein R1 is H and R2 is H, where the sum of a), b), c), d), and e) is 100 mol %, comprising the step of reacting a phosphinate source, an olefin which is liquid at a temperature from 20 to 25° C., and a free-radical initiator, optionally with addition of an additive, in the presence of at least one selectivity controller in an aqueous medium.
A flame-retardant plastic molding composition comprising a phosphorus-containing mixture, wherein the phosphorus-containing mixture includes
- a) 50 to 100 mol % of compounds of the formula (1)
- wherein R1 and R2 are identical or different and are C6-C9-alkyl,
- b) 0 to 50 mol % of compounds of the formula (1), wherein R1 is H and R2 is C6-C9-alkyl,
- c) 0 to 50 mol % of compounds of the formula (1), wherein R1 is OH and R2 is C6-C9-alkyl,
- d) 0 to 50 mol % of compounds of the formula (1), wherein R1 is OH and R2 is H, and
- e) 0 to 50 mol % of compounds of the formula (1), wherein R1 is H and R2 is H,
- where the sum of a), b), c), d), and e) is 100 mol %, and
- wherein the plastic is selected from the group consisting of HI (high-impact) polystyrene, polyphenylene ethers, polyamides, polyesters, polycarbonates, ABS (acrylonitrile-butadiene-styrene), PC/ABS (polycarbonate/Acrylonitrile-butadiene-styrene), polypropylene, polymethyl methacrylate (PMMA), XPS (extruded rigid polystyrene foam), EPS (expanded polystyrene), and PPE/HIPS (polyphenylene ether/HI polystyrene) plastics, and wherein the plastic molding composition includes from 50 to 98% by weight of the plastic and from 2 to 50% by weight of the phosphorus-containing mixture.
A polymer molding, polymer film, polymer filament, or polymer fiber comprising a phosphorus-containing mixture, wherein the phosphorus-containing mixture includes
- a) 50 to 100 mol % of compounds of the formula (1)
- wherein R1 and R2 are identical or different and are C6-C9-alkyl,
- b) 0 to 50 mol % of compounds of the formula (1), wherein R1 is H and R2 is C6-C9-alkyl,
- c) 0 to 50 mol % of compounds of the formula (1), wherein R1 is OH and R2 is C6-C9-alkyl,
- d) 0 to 50 mol % of compounds of the formula (1), wherein R1 is OH and R2 is H, and
- e) 0 to 50 mol % of compounds of the formula (1), wherein R1 is H and R2 is H,
- where the sum of a), b), c), d), and e) is 100 mol %, and
- wherein the polymer is selected from the group consisting of HI (high-impact) polystyrene, polyphenylene ethers, polyamides, polyesters, polycarbonates, and ABS (acrylonitrile-butadiene-styrene), PC/ABS (polycarbonate/acrylonitrile-butadien-styrene), polyamide, polyester, polypropylene, polymethyl methacrylate (PMMA), XPS (extruded rigid polystyrene foam), EPS (expanded polystyrene), ABS and mixtures thereof, and wherein the polymer molding, polymer film, polymer filament or polymer fiber comprises from 50 to 98% by weight of the polymer and from 2 to 50% by weight of the phosphorus-containing mixture.
Dependencies are inferred from the claim text.