Essays about: "Flamskyddsmedel"

Showing result 1 - 5 of 13 essays containing the word Flamskyddsmedel.

  1. 1. Temporal trends of Polybrominated diphenyl ethers (PBDE) and Hexabromocyclododecane (HBCDD) in Swedish Otter (Lutra lutra) and Grey Seals (Halichoerus grypus)

    University essay from Lunds universitet/Centrum för miljö- och klimatvetenskap (CEC)

    Author : Kajsa Frost; [2023]
    Keywords : Polybrominated diphenyl ether; PBDE; BDE; hexabromocyclododecane; HBCDD; Temporal trends; Flame retardants; Baltic grey seal; Halichoerus grypus; Eurasian otter; Lutra lutra; Intestinal ulcers; BDE-47; BDE-99; BDE-100; BDE-153; BDE-154; Earth and Environmental Sciences;

    Abstract : Polybrominated diphenyl ethers (PBDE) and hexabromocyclododecane (HBCDD) are brominated flame retardants. These compounds are lipophilic, persistent and have been shown to bioaccumulate. READ MORE

  3. 2. Assessing the effectiveness of siloxane-based flame retardants

    University essay from KTH/Kemiteknik

    Author : Josefin Eklund Wallin; [2022]
    Keywords : Polyhderal oligomeric silsesquioxane; POSS; PVC; TGA DSC; DSC; thermal properties;

    Abstract : Polyedrisk oligomer silsesquioxane (POSS) är molekyler som har en inorganisk ryggrad med organiska grupper fa ̈sta utan på. Själva kåren har en bur liknande form och har en hög termisk stabilitet tack vare kisel (Si) och syre (O) som den består av. READ MORE

  4. 3. Use of Rheological Properties to Predict Extrusion Parameters

    University essay from KTH/Skolan för kemi, bioteknologi och hälsa (CBH)

    Author : Moa Mård; [2019]
    Keywords : Polymer; Rheology; Extrusion;

    Abstract : Paxymer AB is a company that manufactures and sells flame retardants for plastics, based on their patented technology. The flame retardants are often sold as a master-batch that the customers mix into their own plastic products. Paxymer has two master-batches with the exact same formulation, but are produced with different temperature profiles. READ MORE

  5. 4. A first look at some potentially plastic degrading enzymes

    University essay from Lunds universitet/Kemiska institutionen

    Author : Björn Pålsson; [2019]
    Keywords : PETase; PET; plastic degrading; enzyme; biotic degradation; plastic degrading organisms; biochemistry; biokemi; Biology and Life Sciences; Chemistry;

    Abstract : The many advantageous abilities of plastics have made them omnipresent in today’s society. However, the low cost of production, light weight, durability and insolubility in water combined with inadequate waste handling have led to a vast and increasing accumulation of plastics in nature, approximated to be over 6 300 million tons (Geyer, Jambeck and Law, 2017, ‘Production, use, and fate of all plastics ever made’, Science Advances, 3(7), pp. READ MORE

  6. 5. Local pollution and the risks of OPFR, PBDE and PFAS to the marine ecosystem outside Longyearbyen and Barentsburg in Svalbard

    University essay from Lunds universitet/Miljövetenskaplig utbildning

    Author : Anna Olsson; [2016]
    Keywords : Local pollution; Organophosphorus flame retardants; Polybrominated diphenyl ethers; Perfluorinated alkylated substances; Sediment; Arctic; Svalbard; Adventfjorden; Grønfjorden; Risk analysis; Earth and Environmental Sciences;

    Abstract : Most of the ecotoxicological research conducted in the Arctic until today has focused on long range transport of pollutants, while fewer studies on local pollution have been published. The aim of this study was hence to investigate if local pollution of organophosphorus flame retardants (OPFRs), polybrominated diphenyl ethers (PBDEs) and perfluorinated alkylated substances (PFAS) occurs outside two settlements in Svalbard; Longyearbyen and Grønfjorden. READ MORE