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- Title
Screening occupational contact allergy to bisphenol F epoxy resin.
- Authors
Aalto‐Korte, Kristiina; Suuronen, Katri; Kuuliala, Outi; Henriks‐Eckerman, Maj‐Len; Jolanki, Riitta
- Abstract
Background. Epoxy resins based on diglycidyl ether of bisphenol F (DGEBF) are widely used as such in applications requiring chemical resistance, and also together with diglycidyl ether of bisphenol A resin (DGEBA-R). Concomitant patch test reactions to DGEBA-R and DGEBF resin (DGEBF-R) are common. Previous studies have yielded conflicting results on the frequency of independent DGEBF-R contact allergies. Objectives. To report the results of over 11 years of screening with DGEBF-R. Methods. An in-house test substance of DGEBF-R (Epikote® 862) was tested in the baseline patch test series, first at 1% and later at 0.25%. Test files were screened for allergic reactions to DGEBF-R and DGEBA-R, and the clinical records of positively reacting patients were analysed for occupation and exposure. Results. Among 1972 patients, 66 (3.3%) reacted to DGEBF-R and 96 (4.9%) to DGEBA-R. Independent DGEBF-R allergies were seen in 5 patients only, and independent DGEBA-R allergies in 35. Specific exposure to DGEBF-R was found in 26 patients. The main occupational fields were the aircraft industry, the electrical and sports equipment industry, boat building, painting/floor coating, tile setting, and pipe relining. Conclusions. Independent contact allergies to DGEBF-R were rare, and screening with it was not found to be useful.
- Subjects
CONTACT dermatitis; PHYSIOLOGICAL effects of chemicals; BISPHENOL A; EPOXY resins; OCCUPATIONAL allergies; SKIN inflammation; PHYSIOLOGY
- Publication
Contact Dermatitis (01051873), 2014, Vol 71, Issue 3, p138
- ISSN
0105-1873
- Publication type
Article
- DOI
10.1111/cod.12223