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Use of brominated sulfurated lignin for flameproofing inflammable materials and for the production of flameproof bonded articles

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专利汇可以提供Use of brominated sulfurated lignin for flameproofing inflammable materials and for the production of flameproof bonded articles专利检索,专利查询,专利分析的服务。并且Brominated lignin sulfonate and brominated kraft lignin are used for flameproofing inflammable material. The substrate may be coated or soaked with an aqeuous slurry or alkaline solution of brominated lignin sulfonate or brominated kraft lignin. It is also possible to bond particulate or fibrous inflammable material using a bonding composition containing a prepolymerisate and brominated lignin sulfonate or brominated kraft lignin.,下面是Use of brominated sulfurated lignin for flameproofing inflammable materials and for the production of flameproof bonded articles专利的具体信息内容。

  • 2. A method according to claim 1, wherein said material is coated with an aqueous slurry or alkaline solution of brominated sulfurated lignin and is then dried.
  • 3. A method according to claim 1, wherein said incorporation is an impregnation of the material with an aqueous slurry or alkaline solution of brominated sulfurated lignin and then drying.
  • 4. A method according to claim 1, wherein a bonded article is produced from particulate or fibrous inflammable material and said incorporating comprises admixing said particulate or bonded material with a bonding composition comprising a prepolymerisate and brominated sulfurated lignin, and pressure-curing the mixture.
  • 5. A method according to claim 4, wherein said prepolymerisate is a urea-formaldehyde prepolymerisate.
  • 6. A method according to claim 4, wherein said prepolymerisate is a phenol-formaldehyde prepolymerisate.
  • 7. A method according to claim 4, wherein said particulate or fibrous inflammable material is wood.
  • 8. A method according to claim 1, wherein the amount of brominated sulfurated lignin is at least 3 percent by weight of bromine present in the final, flame-proofed product.
  • 9. A flameproofed article of manufacture comprising an inflammable material impregnated with an effective amount of a brominated sulfurated lignin as a flame proofing composition.
  • 10. Articles of manufacture comprising bonded particulate or fibrous material, containing an effective amount of brominated sulfurated lignin as a flame proofing cOmposition incorporated in the bonding agent.
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