Tài liệu Ktf_10_arbeitssicherheit und umweltschutz_final

Adhesive Manufacturing Processes Chapter 10: Protection of labour and environment Univ.-Prof. Dr.-Ing. Prof. h.c. Stefan Böhm Department for Cutting and Joining Manufacturing Processes (tff) University of Kassel, Germany Quelle: Wikipedia Agenda  Introduction  Hazard potential  Sequelae  Occupational Safety  Environmental Protection 2 Reasons for occupational safety during processing of adhesives  Possibility of contact with potentially dangerous chemical substances  This includes ● Pure materials (elements and compounds) ● Mixtures of substances  Obligation to label exists for all containers, cans, bottles etc. that contain hazardous materials 3 Safety Data Sheet (SDS)  Instrument for communication of safety-related information about materials and mixtures  Contains all relevant arrangements required to handle the material or mixture  Manufacturer is obliged to provide a SDS for all products with a obligation to label  GHS pictograms are used for labeling the materials and mixtures Quelle: http://www.baua.de 4 Safety Data Sheet (SHS) Contents of s SHS 1. Declaration of material/mixture and producing company 9. Physical and chemical properties 2. Possible hazards 10. Stability and reactivity 3. Compounding/Information about individual contents 11. Information regarding ecology 4. Measurements for fire fighting 12. Toxicologial information 5. First aid measurements 13. Information about disposal 6. Measures for accidental release 14. Information about transport 7. Conditions for handling and storing 15. Instructions 8. Exposition limit and personal protective equipment 16. Additional information Quelle: http://www.umweltbundesamt.at/umweltsituation/chemikalien/sdb/ 5 Example for a Safety Data Sheet (SHS) http://www.dr-software.com/deutsch/Sicherheitsdatenblatt_GHS.htm 6 Global Harmonized System (GHS) of Classification and Labeling of Chemicals  New hazard symbols for chemicals since 1.12.2010 for individual materials, from 1.6.2015 on for mixtures  Common signal words (e.g. „Danger“, „Warning“)  Hazard statements  Precautionary statements Quelle: http://www.gcicertified.com 7 Hazard Symbols for Chemicals (1) New Symbol Description Old Symbol Explosives (Danger) • Material might explode under special conditions (e.g. pressure or temperature) • Avoid impacts, friction, fire, or sparks Flamable (Danger) • Ignites easly within reach of heat or open fire • Avoid Contact to sources of ignition or hazard () Oxidizing (Danger) • Material can ignite flammable materials or support fire • Avoid contact to flammable materials Toxic (Danger) • Contact to small amounts incorporation can lead to strong or deadly intoxication • No immediate physical contact Quelle: vgl. http://www.springer-gup.de () 8 Hazard Symbols for Chemicals (2) New Symbol Description Old Symbol Corrosive (Danger) • Even short contact times with skin can lead to scars, contact with eyes can lead to permanent sight disorders • Protect skin and eyes Healt hazard (Danger) • Materials can cause serious damage to • Label for carcinogenic materials • Products are to be used with caution Irritant (Warning) • Dangerous for humans • Materials can cause skin irritations or allergies • Small amounts do not cause serious health damage or death Environmental Damaging (Warning) • Hazardous for animals and environment • Release can cause short or long term damages • Do not dispose in waste water or domestic waste Quelle: vgl. http://www.springer-gup.de 9 Kennzeichnungssystem des GHS Pictogram Hazard Sentences as specified by GHS Pictogram Amoung of material if public access is possible Name, adress, phone number of supplier Danger P-Sentences (max. 6) Signal word Quelle: http://www.lagerlogistik-service.de 10 Agenda  Introduction  Hazard potential  Sequelae  Occupational Safety  Environmental Protection 11 Cyanacrylates - Hazards Irritant  Characteristic: Immediate reaction in the presence of water (also humidity)  Hazards: ● Adhesion of skin ● Adhesion of eye ● Irritation of skin, eye, or respiratory systems Quelle: http://www.mercateo.com 12 Cyanacrylates – Reactive measures  Inhalation: ● Get person into fresh air, if necessary consult a doctor  Skin contact: ● Soak affected areas in warm water ● Do not try to force adhered areas apart  Eye contact: ● Wash with water ● Do not force adhered eyelids open  Swollowing: ● Do not initiate vomitus ● Supply affected person with a lot of water Quelle: http://www.mercateo.com 13 Solvent containing substances - Hazards Flammable Health hazard  Examples: Solvent containing adhesices, primer, degreaser  Hazards: ● Might affect unborn babies ● Serious health damages when inhaled ● Irritation of skin and eyes ● Vapors might cause tiredness and drownsiness ● Additionally: risk of addiciton Quelle: deu.sika.com/ 14 Solvent containing substances – reactive measures  Eye contact: ● Wash eyes with water  Skin contact: ● Wash affected areas with water ● Remove contaminated clothes and shoes  Swollowing: ● Do not initiate vomitus ● Keep resiratory ducts open  Protection of first aider: ● Hazard when mouth-to-mouth venitlation is required Quelle: deu.sika.com/ 15 PUR - hazards Irritating  Especially monomeric isocyanates (such as MDI, NDI)  Hazards: ● Irritation of eyes, skin, and respiratory ● Possibly carcinogenic ● Danger of serious health damages from longer inhalation ● Allergisation by inhalation or skin contact Quelle: http://www.bmua.de 16 PUR – reactive measures  General notice: ● Symptoms of intoxication can occur long time after incident, therefore, medical supervision is required for at least  Inhalation: ● Fresh air and heat  Skin contact: ● Wash with water and soap  Eye contact: ● Wash several minutes with opened eyelied with water  Swallowing: ● Do not initiate vomitus Quelle: http://www.bmua.de 17 Epoxide resin - hazards  Consists of component A (resin) and component B (hardener) Irritating Corrosive  Hazards: ● Irritation of skin and eyes ● Allergisation by skin contact possible Resin component ● Damages health when swallowed, inhaled or by skin contact ● Causes alkali burn ● Allergisation by skin contact possible Hardener component Quelle: Berufsgenossenschaften der Bauwirtschaft 18 Epoxy resin – reactive measures  Inhalation: ● Fresh air and heat  Skin contact: ● Wash with water and soap  Eye contact: ● Wash several minutes with opened eyelied with water  Swallowing: ● Do not initiate vomitus Quelle: http://www.bmua.de 19 Processes - Hazards  Surface preparation: ● Degreasing, solvents as primers – Hazard: Irritations, healt damages when inhaled ● Bating – Hazard: Serious alkali burn ● Plasmatreatment with ozon – Hazard: Eye, lung and faucal irritation ● Application, mixing and curing of components: – Hazard: Release of reaction products, development of heat Quelle: TC Kleben 20