アミノ樹脂の硬化に関する研究

DOI 被引用文献2件

書誌事項

タイトル別名
  • Studies on Hardening of Amino Resins
  • I.“Formaldehyde Isolation Test” as the Method for Determining the Degree of Cure of Melamine-Formaldehyde Resin
  • 第1報メラミン樹脂の硬化度測定法としての“ホルムアルデヒド溶出試験法”

抄録

A method for determining the degree of cure of melamine-formaldehyde resin and factors influencing the test were studied on laminate.<BR>A test piece (30-50mm) was dipped into 50ml of water or dilute sulphuric acid at various temperatures (60-100°C) and times (3-80min).<BR>Formaldehyde and melamine were dissolved in the solution due to the dissociation of methylol and the decomposition of methylene groups.<BR>Formaldehyde dissolved into 0.95-3.03% sulphuric acid at 100°C for 10min was almost attributed to the remaining methylol groups in hardened resin, therefore, the amount of formaldehyde indicated the relative degree of cure of resin.<BR>Among the factors on “formaldehyde isolation test”, curing temperature was more effective than curing time, and pressure was no effect.<BR>The activation energies of the dissociation of methylol and the decomposition of methylene groups were ca. 20 and 29kcal/mol, respectively.

収録刊行物

  • 高分子化學

    高分子化學 21 (233), 529-538, 1964

    公益社団法人 高分子学会

被引用文献 (2)*注記

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詳細情報 詳細情報について

  • CRID
    1390282681496381440
  • NII論文ID
    130004032473
  • DOI
    10.1295/koron1944.21.529
  • ISSN
    18848079
    00232556
  • 本文言語コード
    ja
  • データソース種別
    • JaLC
    • Crossref
    • CiNii Articles
  • 抄録ライセンスフラグ
    使用不可

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