Chemical bonding evaluation method

Multidimensional NMR spectroscopy allows direct evaluation of chemical bonds between silica and silane coupling agents in rubber compositions, addressing the limitations of existing methods by providing clear bonding insights.

JP7885608B2Active Publication Date: 2026-07-07SUMITOMO RUBBER INDUSTRIES LTD
View PDF 3 Cites 0 Cited by

Patent Information

Application Number
JP2022109025
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2022-06-13
Filing Date
2022-07-06
Publication Date
2026-07-07
Estimated Expiration
2042-07-06

Smart Images

  • Figure 0007885608000002
    Figure 0007885608000002
  • Figure 0007885608000003
    Figure 0007885608000003
  • Figure 0007885608000004
    Figure 0007885608000004
Patent Text Reader

Abstract

To provide a chemical bonding evaluation method which allows for directly evaluating the presence or absence of chemical bonding between silica and a silane coupling agent.SOLUTION: A chemical bonding evaluation method is provided, for evaluating the presence or absence of chemical bonding between silica and a silane coupling agent in a rubber composition containing a rubber component, the silica, and the silane coupling agent.SELECTED DRAWING: None
Need to check novelty before this filing date? Find Prior Art

Citation Information

Patent Citations

  • Method of measuring reaction amount of silica, and rubber composition with reaction amount defined using the method

    JP2006337342A

  • Method of measuring reaction amount of silane coupling agent in silica blending

    JP2010216952A

  • Method for reaction evaluation of silane coupling agent in silica blending

    JP2013108845A