Additives such as colourants may be incorporated into polymeric materials such as polyesters, such as in polyester fibre production, by use of a liquid formulation comprising colourant and a vehicle. The vehicle may comprise a functionalised pentaerythritol, trimethylolpropane or trimellitate. The liquid formulation is suitably contacted with the polymeric material in a melt processing apparatus.
申请公布号
EP2867278(A1)
申请公布日期
2015.05.06
申请号
EP20130747520
申请日期
2013.06.24
申请人
COLORMATRIX HOLDINGS, INC.
发明人
LEW, CHUN;WINROW, PHILLIP;OVEREND, ANDREW;GOULBOURN, JOHN