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Process for protecting a substrate with an arylsulfonamidopyrazine intumescent agent

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专利汇可以提供Process for protecting a substrate with an arylsulfonamidopyrazine intumescent agent专利检索,专利查询,专利分析的服务。并且Intumescent compositions of the invention comprise certain arylsulfonamidopyrazines, such as 2-sulfanilamidopyrazine, 2sulfanilamidobenzopyrazine, and derivatives thereof. The intumescent agents may be employed in conjuction with additives conventionally used in intumescent compositions. For use in protecting substrates from heat and fire, the intumescent compositions may be applied to the substrates in any suitable manner, such as by electrodeposition, spraying onto an adhesive substrate, or application of a coating composition comprising the intumescent agent.,下面是Process for protecting a substrate with an arylsulfonamidopyrazine intumescent agent专利的具体信息内容。

  • 2. The process of claim 1 wherein Ar is a divalent aromatic residue derived from benzene or naphthalene or an alkyl, haloalkyl, alkoxy, haloalkoxy, halo, hydroxy, carboxy, amino, amido, or nitro derivative thereof.
  • 3. The process of claim 1, wherein R'''' is a pyrazyl radical or an alkoxy or benzo derivative thereof.
  • 4. The process of claim 1, wherein the intumescent agent is 2-sulfanilamidopyrazine.
  • 5. The process of claim 1, wherein the intumescent agent is 2-sulfanilamidobenzopyrazine.
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