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Honeycomb and method of producing same

阅读:51发布:2023-03-23

专利汇可以提供Honeycomb and method of producing same专利检索,专利查询,专利分析的服务。并且This invention relates to a method and means for laminating superimposed layers of the same or different material by adhering said layers with a novel curable liquid adhesive composition comprising a polyene and a polythiol which, on exposure to ionizing radiation or a free radical generating agent, cures to a solid adhesive under ambient conditions. The novel adhesive can be used in bonding structural cellular material such as honeycomb cores and facings.,下面是Honeycomb and method of producing same专利的具体信息内容。

  • 2. The structure according to claim 1 wherein the polyene is formed by reacting either A. an organic epoxide containing at least two groups in its structure with a member of the group consisting of hydrazine, primary amines, secondary amines, tertiary amine salts, organic alcohols and organic acids wherein said group members contain at least one organic substituent containing a reactive ethylenically or ethynylically unsaturated group, or B. an organic epoxide containing at least one organic substituent containing a reactive ethylenically or ethynylically unsaturated group with a member of the group consisting of hydrazine and an organic material containing at least two active hydrogen functions from the group consisting of
  • 2. maintaining said superposed honeycomb cores in contact for a time sufficient to cure the adhesive and effect bonding between said unexpanded honeycomb cores.
  • 3. The structure according to claim 1 wherein the polyene is the reaction product of 1 mole of diglycidyl ether of Bisphenol A and 2 moles of allyl hydrazine.
  • 4. The structure according to claim 1 wherein the polyene is the reaction product of 1 mole of diglycidyl ether of Bisphenol A and 2 moles of allyl amine.
  • 5. The structure according to claim 1 wherein the polyene is the reaction product of 1 mole of diglycidyl ether of Bisphenol A and 2 moles of diallyl amine.
  • 6. The structure according to claim 1 wherein the polyene is triallyl urea.
  • 7. The structure according to claim 1 wherein the polyene is diallylallylphosphonate.
  • 8. The structure according to claim 1 wherein the polythiol is a member of the group consisting of pentaerythritol tetrakis ( Beta -mercaptopropionate) and trimethylolpropane tris ( Beta -mercaptopropionate).
  • 9. The process of making a honeycomb structure from a laminates stack of web material which comprises A. applying to sections of the web material, lines of an adhesive composition consisting essentially of a polyene containing at least two reactive unsaturated carbon to carbon bonds per molecule and a polythiol containing at least two thiol groups per molecule, the total combined functionality of (a) the reactive unsaturated carbon to carbon bonds per molecule in the polyene and (b) the thiol groups per molecule in the polythiol being greater than 4; B. forming a plurality of said sections in a stack with said lines of adhesive between adjacent sections arranged in staggered relationship; C. subjecting said stack to ionizing radiation at a dose rate in the range 0.0001 to 10.0 megarads/second to cure the adhesive and bond said sections and D. expanding said stack to form a honeycomb structure having a plurality of hollow cells.
  • 10. The process according to claim 9 wherein the polyene is formed by reacting either A. an organic epoxide containing at least two groups in its structure with a member of the group consisting of hydrazine, primary amines, secondary amines, tertiary amines amine salts, organic alcohols and organic acids wherein said group members contain at least one organic substituent containing a reactive ethylenically or ethynylically unsaturated group, or B. an organic epoxide containing at least one organic substituent containing a reactive ethylenically or ethynylically unsaturated group with a member of the group consisting of hydrazine and an organic material containing at least two active hydrogen functions from the group consisting of
  • 11. The process according to claim 10 wherein the polyene is the reaction product of 1 mole of diglycidyl ether of Bisphenol A and 2 moles of allyl hydrazine.
  • 12. The process according to claim 10 wherein the polyene is the reaction product of 1 mole of diglycidyl ether of Bisphenol A and 2 moles of allyl amine.
  • 13. The process according to claim 10 wherein the polyene is the reaction product of 1 mole of diglycidyl ether of Bisphenol A and 2 moles of diallyl amine.
  • 14. The process according to claim 9 wherein the polyene is triallyl urea.
  • 15. The process according to claim 9 wherein the polyene is diallylallylphosphonate.
  • 16. The process according to claim 9 wherein the polythiol is a member of the group consisting of pentaerythritol tetrakis ( Beta -mercaptopropionate) and trimethylolpropane tris ( Beta -mercaptopropionate).
  • 17. The process of bonding at least two unexpanded honeycomb cores together which comprises
  • 19. The process according to claim 17 wherein the polyene is the reaction product of 1 mole of diglycidyl ether of Bisphenol A and 2 moles of allyl hydrazine.
  • 20. The process according to claim 17 wherein the polyene is the reaction product of 1 mole of diglycidyl ether of Bisphenol A and 2 moles of allyl amine.
  • 21. The process according to claim 17 wherein the polyene is the reaction product of 1 mole of diglycidyl ether of Bisphenol A and 2 moles of diallyl amine.
  • 22. The process according to claim 17 wherein the polyene is triallyl urea.
  • 23. The process according to claim 17 wherein the polyene is diallyallylphosphonate.
  • 24. The process according to claim 17 wherein the polythiol is a member of the group consisting of pentaerythritol tetrakis ( Beta -mercaptopropionate) and trimethylolpropane tris ( Beta -mercaptopropionate).
  • 25. The process according to claim 17 wherein the free radical generating agent is selected from the group consisting of organic peroxides, azo compounds, carbazates, metal salts capable of redox reactions, dioximes and diesters of dioximes.
  • 28. The process according to claim 17 wherein the polyene is formed By reacting either A an organic epoxide containing at least two groups in its structure with a member of the group consisting of hydrazine, primary amines, secondary amines, tertiary amine salts, organic alcohols and organic acids wherein said group members contain at least one organic substituent containing a reactive ethylenically or ethynylically unsaturated group, or B. an organic epoxide containing at least one organic substituent containing a reactive ethylenically or ethynylically unsaturated group with a member of the group consisting of hydrazine and an organic material containing at least two active hydrogen functions from the group consisting of
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