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    • 2. 发明授权
    • Liquid colorant/additive concentrate for incorporation into plastics
    • 用于掺入塑料的液体着色剂/添加剂浓缩物
    • US5308395A
    • 1994-05-03
    • US878358
    • 1992-06-04
    • Neil A. BurdittRichard L. Abrams
    • Neil A. BurdittRichard L. Abrams
    • C08J3/22C08L93/04C08J3/20
    • C08J3/226C08L93/04C08J2493/00
    • Liquid concentrates for incorporation into polymeric resins are described that are storage stable and resistant to settling or viscosity changes which comprise:(I) a vehicle comprising:(A) at least one organic rosin material;(B) at least one surfactant; and(II) at least one colorant or additive.The liquid concentrates of the present invention have a body or consistency that allow them to readily flow by gravity and are further characterized by a substantially uniform viscosity. The liquid color concentrates of the present invention also are compatible with a wide variety of plastics and facilitate a reduction in processing deficiencies such as screw-slippage, water carry-over and uneven flow to the pump inlet.
    • 描述了用于结合到聚合物树脂中的液体浓缩物,其是储存稳定的并且耐沉降或粘度变化,其包含:(I)载体,其包含:(A)至少一种有机松香材料; (B)至少一种表面活性剂; 和(II)至少一种着色剂或添加剂。 本发明的液体浓缩物具有允许它们容易地通过重力流动的主体或稠度,并且进一步的特征在于基本均匀的粘度。 本发明的液体颜料浓缩物也与各种各样的塑料兼容,并且有助于减少加工缺陷,例如螺杆滑动,水携带和不均匀的流入泵入口。