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首页> 外文会议>International Plastics Additives and Modifiers Conference; 20061017-18; Cologne(DE) >TETRA-SUBSTITUTED DITHIOOXAMIDES AND P-PHENYLENE DIAMINE AS ADDITIVES FOR BIOFILM RESISTANT PLASTIC MATERIALS
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TETRA-SUBSTITUTED DITHIOOXAMIDES AND P-PHENYLENE DIAMINE AS ADDITIVES FOR BIOFILM RESISTANT PLASTIC MATERIALS

机译：四取代二硫代乙酰胺和对苯二胺作为抗生物膜塑料的添加剂

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Plastic surfaces are a favourable site for microbial adhesion and biofilm formation, which is undesirable in pipes for drinking water supply, on plastic food packs, etc, but also on various plastic items in non-aqueous environments, where microorganisms accumulate - door knobs, handles, key boards, etc.rnWe have investigated the effect on microbial biofilm formation of tetramethyl dithiooxamde (TMDTOA) and p-phenylene diamine (Vulcacit 4010) added to PVC, polystyrene, or Teflon in the bulk, prior to moulding in the range of 200 to 25 mg/kg. Levels of 100 mg/kg TMDTOA in the material reduced slime production by 80-90 wt % vs. controls, and microbial adhesion decreased by 50-70% respectively. Vulcacit 4010 was less effective, and produced dark coloration on the surface, passing in the surrounding medium, while transport of TMDTAO from the plastic to the water solution was not detectable even 3 month later. TMDTOA is interesting as an additive for microbially resistant plastic materials.
机译：塑料表面是微生物附着和生物膜形成的有利场所，这在饮用水供应管道，塑料食品包装等中是不希望的，但在微生物积累的非水环境中，各种塑料物品（门把手，把手）也不可取我们已经研究了在200模内成型之前将四甲基二硫代草酰胺（TMDTOA）和对苯二胺（Vulcacit 4010）批量添加到PVC，聚苯乙烯或特氟龙中对微生物生物膜形成的影响。至25 mg / kg。与对照相比，材料中100 mg / kg TMDTOA的含量降低了煤泥产量80-90 wt％，微生物附着力分别降低了50-70％。 Vulcacit 4010效果较差，并在表面上产生深色，并进入周围介质，而即使3个月后也无法检测到TMDTAO从塑料到水溶液的运输。 TMDTOA作为抗微生物塑料材料的添加剂非常有趣。

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