Ftalan benzylu butylu

• Autorzy: Pałaszewska-Tkacz A. , Czerczak S.

Warianty tytułu

EN

Benzyl butyl phthalate

• Języki publikacji: PL

Abstrakty

PL

Ftalan benzylu butylu (BBP) jest przezroczystą, oleistą cieczą o słabym zapachu stosowaną przede wszystkim jako dodatek zmiękczający do polimerów. Stosuje się ją powszechnie do produkcji płytek, pianek i wykładzin PCV. Ponadto jest wykorzystywana do produkcji uszczelniaczy (na bazie polisiarczków, poliuretanów, akrylanów), klejów i spoiw (na bazie poliakrylanów i polioctanu winylu), farb (na bazie poliuretanów i poliakrylanów) oraz atramentów i lakierów (na bazie akrylanów, nitrocelulozy i żywic winylowych). Podczas narażenia zawodowego na ftalan benzylu butylu znaczenie ma droga inhalacyjna, a w mniejszym stopniu kontakt związku ze skórą. Ze względu na niską prężność par w temperaturze pokojowej podwyższone stężenia ftalanu benzylu butylu mogą wystąpić jedynie w procesach technologicznych przebiegających w podwyższonej temperaturze lub w procesach związanych z występowaniem aerozoli ftalanu benzylu butylu w powietrzu środowiska pracy. Ftalan benzylu butylu jest związkiem o potwierdzonym szkodliwym działaniu na rozrodczość, natomiast w badaniach dotyczących jego toksyczności układowej najczęściej obserwowanymi skutkami narażenia u zwierząt był wzrost względnej i bezwzględnej masy wątroby i nerek. Skutek ten uznano za skutek krytyczny działania ftalanu benzylu butylu i zaproponowano przyjęcie stężenia 5 mg/m3 związku za jego wartość najwyższego dopuszczalnego stężenia (NDS). Zaproponowana wartość zabezpieczy pracowników również przed skutkami szkodliwego działania ftalanu benzylu butylu na rozrodczość. Z uwagi na to, że ftalan benzylu butylu nie wykazuje działania drażniącego, nie ma potrzeby ustalania wartości najwyższego dopuszczalnego stężenia chwilowego (NDSCh) dla tego związku. Zaleca się oznakowanie substancji w wykazie literą „Ft” – substancja działająca toksycznie na płód.

EN

Benzyl butyl phthalate (BBP) is a clear, oily liquid with a slight odour. It is used mostly as a plasticizer for polyvinyl chloride in vinyl floor tiles, vinyl foam and carpet backing. Furthermore, it is used in the production of sealants (polysulfide-, polyurethane-, or acrylic-based), adhesives (polyacrylic- and polyvinylacetate-based), paints (polyurethane- and polyacrylic-based), lacquers and inks (acrylic-, nitrocellulose- and vinyl resin-based). As far as occupational exposure is concerned, the inhalation route of exposure is important, and to a lesser extent dermal contact. Because of low vapour pressure at room temperature, the high concentration of BBP can only occur during technological processes where the temperature is elevated or BBP aerosols are generated. The reprotoxic activity of benzyl butyl phthalate has been confirmed, while in systemic toxicity studies increases in relative liver and kidney weights have been the most often observed effects. This effect was considered critical when the Polish OEL value of BBP was developed. It was agreed that the proposed value of 5 mg/m3 protected workers from the reproductive toxicity of BBP, too. It is also recommended to label BBP, in the Polish inventory of OELs, with the letters "Ft", a substance toxic to the foetus.

Słowa kluczowe

PL

BBP; NDS; narażenie zawodowe

EN

BBP; OEL; occupational exposure

• Wydawca: Centralny Instytut Ochrony Pracy - Państwowy Instytut Badawczy
• Czasopismo: Podstawy i Metody Oceny Środowiska Pracy
• Rocznik: 2010
• Tom: Nr 3 (65)
• Strony: 27--60
• Opis fizyczny: Bibliogr. 63 poz., rys., tab.

Twórcy

autor

Pałaszewska-Tkacz A.

• Instytut Medycyny Pracy im. prof. dr. med. Jerzego Nofera 91-348 Łódź ul. św. Teresy od Dzieciątka Jezus 8

autor

Czerczak S.

• Instytut Medycyny Pracy im. prof. dr. med. Jerzego Nofera 91-348 Łódź ul. św. Teresy od Dzieciątka Jezus 8

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