Flame retardant for mesh sheets and flameproofed mesh sheet
AssigneesSaiji Nozaki, Kyowa Kabushiki Kaisha
InventorsSaiji Nozaki, Kuniaki Kamiya
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Abstract
A flame retardant composition suitable for mesh sheets comprising 1.5 to 15 parts by weight of red phosphorus, 5 to 50 parts by weight of melamine sulfate, 40 to 150 parts by weight of a metal hydroxide, and a polyolefin-based resin aqueous dispersion having a resin solid content of 25 to 70% by weight. Each of said weights being based upon 100 parts by weight of the solid content of said dispersion. The present invention in many embodiments does not contain halogen, does not experience a rise in the viscosity of flameproofing agent during storage and provides an excellent effect that the flameproofing component does not elute even when a treated mesh sheet is washed and used repeatedly.
Claims19
A flame retardant composition suitable for mesh sheets comprising:
- 1.5 to 15 parts by weight of red phosphorus;
- 5 to 50 parts by weight of melamine sulfate;
- 40 to 150 parts by weight of a metal hydroxide;
- and
- a polyolefin-based resin aqueous dispersion having a resin solid content of 25 to 70% by weight;
- each of said weights being based upon 100 parts by weight of the solid content of said dispersion.
A flameproof mesh sheet woven out of yarn, wherein said yarn comprises multifilament fibers impregnated and/or coated with a flame retardant composition comprising:
- 1.5 to 15 parts by weight of red phosphorus,
- 5 to 50 parts by weight of melamine sulfate,
- 40 to 150 parts by weight of a metal hydroxide, and
- a polyolefin-based resin aqueous dispersion having a resin solid content of 25 to 70% by weight,
- wherein each of said weights are based upon 100 parts by weight of a solid content of said dispersion, and wherein said fibers are heated after being impregnated.
A flameproof mesh sheet, which comprises:
- a mesh sheet fabric that is woven out of multi-filament fibers, and is impregnated and/or coated with a flame retardant composition comprising:
- 1.5 to 15 parts by weight of red phosphorus,
- 5 to 50 parts by weight of melamine sulfate,
- 40 to 150 parts by weight of a metal hydroxide, and
- a polyolefin-based resin aqueous dispersion having a resin solid content of 25 to 70% by weight,
- wherein each of said weights are based upon 100 parts by weight of a solid content of said dispersion, and wherein said fibers are heated after being impregnated.
A method for preparing a flame proof material comprising:
- treating a material with a flame retardant composition comprising:
- 1.5 to 15 parts by weight of red phosphorus,
- 5 to 50 parts by weight of melamine sulfate,
- 40 to 150 parts by weight of a metal hydroxide, and
- a polyolefin-based resin aqueous dispersion having a resin solid content of 25 to 70% by weight,
- wherein each of said weights are based upon 100 parts by weight of a solid content of said dispersion.
A method for rendering a material flame resistant comprising treating said material with a flame retardant composition comprising:
- 1.5 to 15 parts by weight of red phosphorus,
- 5 to 50 parts by weight of melamine sulfate,
- 40 to 150 parts by weight of a metal hydroxide, and
- a polyolefin-based resin aqueous dispersion having a resin solid content of 25 to 70% by weight,
- wherein each of said weights are based upon 100 parts by weight of a solid content of said dispersion.
A method for the preparation of a flame retardant composition comprising:
- providing 1.5 to 15 parts by weight of red phosphorus;
- providing 5 to 50 parts by weight of melamine sulfate;
- providing 40 to 150 parts by weight of a metal hydroxide,
- providing a polyolefin-based resin aqueous dispersion having a resin solid content of 25 to 70% by weight, and
- mixing said red phosphorous, said melamine sulfate, said metal hydroxide and said polyolefin-based resin aqueous dispersion,
- wherein each of said weights are based upon 100 parts by weight of a solid content of said dispersion.
Dependencies are inferred from the claim text.