A method of introducing an additive into a polymeric material comprises using a liquid formulation comprising an additive, for example a colourant, and a vehicle comprising an aliphatic or aromatic tri- or di-carboxylic acid covalently linked by ester bonds to two or more chains. The method involves contacting the liquid formulation with the polymeric material in a melt processing apparatus. The cavity transfer mixer may be used in the process. A fibre is suitably subsequently produced.
申请公布号
WO2012085550(A3)
申请公布日期
2012.08.23
申请号
WO2011GB52519
申请日期
2011.12.19
申请人
COLORMATRIX HOLDINGS, INC.;GOULBOURN, JOHN;OVEREND, ANDREW;LEEMING, JAMES