No. 1031 - Miljøstyrelsen
No. 1031 - Miljøstyrelsen
No. 1031 - Miljøstyrelsen
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40<br />
As regards human exposure the use of siloxanes in breast implants, baby-care<br />
products (e.g. in nipples) and siloxanes used as antiflatulent is of particular<br />
importance.<br />
The major part of the siloxanes will be disposed of with municipal solid waste<br />
or medical waste for incineration. A minor part, used as antiflatulent, will be<br />
released to municipal wastewater.<br />
2.2.10 Paper coating<br />
Silicones are used for paper coating, primaryly to coat release papers, films<br />
and foils and as a backing of pressure-sensitive adhesive labels and tapes.<br />
Consumption<br />
Based on Will et al. 2003 the total consumption for paper coating can be estimated<br />
at 210 t, broken down into thermal curing paper backing (140 t), UV<br />
curing for foil backing (40 t) and electron beam curing mainly for foils backing<br />
(20 t).<br />
In the Danish Product Register a total of 9 t siloxanes were registered as surface<br />
treatment agents for paper, cardboard, etc.<br />
Siloxanes used<br />
In the Danish Product Register 32 different siloxanes are registered as agents<br />
for paper coating. The main siloxanes are poly(dimethylsiloxane) and<br />
poly(dimethylsiloxane), reaction products with silica.<br />
Fate of the siloxanes<br />
Siloxanes used in paper coating will be disposed of to municipal solid waste<br />
for incineration.<br />
2.2.11 Other uses of silicone elastomers and resins<br />
Other uses of silicone elastomers and resins not covered elsewhere include the<br />
following:<br />
• Automotive applications (hard-coat coatings for protecting of polycarbonate<br />
windows, mirrors and headlamp lenses, protecting of plastic trim,<br />
electronics, airbag coatings, seat belt adhesives);<br />
• Electrical fittings (cable accessories and insulators);<br />
• Domestic appliances (gasketing, electronics, sealing and potting applications<br />
in household appliances like owens, irons and refrigerators) ;<br />
• Consumer goods (diving masks and other scuba equipment, protective<br />
masks, earplugs, baking tins, consumer products packaging, showerhead<br />
membranes, soft-touch products (e.g. pencils), spatulas, etc.);<br />
• Food/packaging (fruit labels, bakery papers, wrappers for candy, chewing<br />
gum, meat and frozen food);<br />
• Business machines (small computer keypads);