An RTV silicone and high density polyethylene are exposed in an activated gas plasma for varying times and varying conditions. Both oxygen and argon are used. Changes in critical surface tension of wetting as determined by contact angle measurements are reported.Bondability of the treated surfaces is evaluated with both the aged bonds and aged surfaces prior to bonding being evaluated. In contradiction to some of the recent work reported in the literature on the effect of activated inert gas on surface characteristics, contact angles always decreased on the materials studied indicating an increase in surface energy. The significance of the results on present adhesion theories is discussed.
Accessible summary• Dialectical Behaviour Therapy (DBT) is a therapy to help people manage their feelings.• We ran a DBT group for people with an intellectual disability. The group seemed to help people feel better and manage their feelings, even after the group ended.• The group was 2 years ago. We talked to three people who went to the group to see what people still remembered from the group and if DBT was still helping them.• We think having a top-up session might help people to remember and practise ideas from the group.
AbstractBackground: This paper reports quantitative and qualitative follow-up data from three participants who attended a Dialectical Behaviour Therapy (DBT) group for people with an intellectual disability.
Materials and Methods: Quantitative data regarding psychological well-being, psychological distress (measured using the Psychological Therapies Outcome Scales; PTOS) and quality of life (measured using the Health of the Nation Outcome Scales-Learning Disability; HONOS-LD) are reported for pre-group, post-group and at 6month and 2-year follow-up. Interviews were conducted with participants post-group and at 2-year follow-up. Data were analysed using thematic analysis. Results: Improvements in scores on measures of psychological well-being, psychological distress and quality of life appear to be maintained at 6-month follow-up, but scores at 2-year follow-up suggest a return to baseline. Qualitative self-report data suggest a number of interesting ways participants adapted and individualised techniques from the group, as well as suggesting possible barriers to maintaining change in the longer term. Conclusions: Clinical implications are considered to improve effectiveness of similar interventions, as well research implications in order to improve knowledge about the longer term impact of group DBT interventions. K E Y W O R D S anger management, intellectual disability, mental health, psychological therapy | 127 HEWITT ET al.
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