Candle wax compositions stabilized with UV absorbers and select hindered amine light stabilizers
申请人:BASF SE
公开号:US10385213B2
公开(公告)日:2019-08-20
A stabilized composition includes candle wax; an ultraviolet light absorber; and a hindered amine light stabilizer of formula (I). The compositions stabilize the candle with respect to yellowing, color fading in the case of dyed or pigmented candles, and other degradation of the waxes. The materials and compositions may be used in a wide variety of a candle waxes including, but not limited to, paraffin, beeswax, natural oils, polyamide plus fatty acids and esters thereof, fatty acids such as stearin, opacifiers, glycerides plus oxidized wax, alcohols, and ethylene oligomers.
稳定组合物包括烛蜡、紫外线吸收剂和式 (I) 受阻胺光稳定剂。这些组合物可以防止蜡烛变黄、染色或颜料蜡烛褪色,以及蜡烛蜡的其他降解。这些材料和组合物可用于各种蜡烛蜡,包括但不限于石蜡、蜂蜡、天然油、聚酰胺加脂肪酸及其酯、脂肪酸如硬脂、不透明剂、甘油酯加氧化蜡、醇和乙烯低聚物。