Sökning: "polyvinyl chloride"
Visar resultat 1 - 5 av 18 avhandlingar innehållade orden polyvinyl chloride.
1. Personality, Health and Mortality of Workers in a PVC Production Plant in Sweden A longitudinal study
Sammanfattning : A longitudinal study was initiated in a PVC production plant in 1967. It was repeated in 1987. A cohort of 101 workers was followed. The aim of the 1967 study was, after a heavy rise in absenteeism and sick leave, to analyze perceptions of work environment and health. LÄS MER
2. Material development of a textile bioreactor : All-polyamide composite for the construction of bioreactors
Sammanfattning : Bioreactors are manufactured from stainless/carbon steel, concrete, glass, etc., which are costly and time-consuming to install. Recently, several research studies have been initiated to find cost-efficient materials for constructing bioreactors, one of which is coated textiles. LÄS MER
3. Permanent hair dyes. Exposure, diagnostics, and prevention of contact allergy
Sammanfattning : .... LÄS MER
4. Recycling and durability of PVC materials focusing on pre- and post-consumer wastes from building products
Sammanfattning : The potential for recycling various polymeric materials contained within buildings constructed in the late 1960s and 1970s in Sweden was investigated during the course of this work. Three residential blocks were studied to establish the quantity of materials available for recycling, to investigate the difficulty in and time needed for the dismantling of the buildings, the degree of purity of the materials, and the possibility of separating the materials. LÄS MER
5. Morphology of Polymers - Development of Electron Microscopy Methods
Sammanfattning : Most polymeric materials used today are not simple homopolymers, but consist of more than one polymer, which lead to morphologies of different length scale and shape. It is important to receive knowledge of the morphologies because the properties of the materials change depending on the structure. LÄS MER