FACTORS AFFECTING THE PHOTOYELLOWING WHICH OCCURS PHOTOINITIATED POLYMERIZATION OF ACRYLATES

Arsu N., Stephen Davidson R., Holman R.

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, cilt.87, sa.2, ss.169-175, 1995 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 87 Sayı: 2
  • Basım Tarihi: 1995
  • Doi Numarası: 10.1016/1010-6030(94)03964-v
  • Dergi Adı: JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.169-175
  • Anahtar Kelimeler: PHOTOYELLOWING, PHOTOINITIATED POLYMERIZATION, ACRYLATES, FLASH-PHOTOLYSIS, THIOXANTHONES, PHOTOCHEMISTRY, DERIVATIVES, PHOTOPOLYMERIZATION, STABILITY, HYDROXY, METHYL
  • Yıldız Teknik Üniversitesi Adresli: Evet

Özet

The influence of the type of photoinitiator, type of polymerizable reactive diluent and added amine synergist on the yellowing which occurs during the curing of clear films is examined. Type I photoinitiators based on acetophenone give rise to the least yellowing. The presence of amines, such as N-methyldiethanolamine, increases yellowing to a noticeable extent. Amino groups present in the initiator or the reactive diluent lead to marked yellowing. The chemistry responsible for the yellowing is explored.