The preparation of colour deepeningagent tr was introduced and its application and effect in pigment dying were discussed.
介绍了涂料染色增深剂TR的制备方法，并论述了该助剂用于涂料染色工艺时的作用与效果。
2
Disclosed is a color deepeningagent containing silica particles which are treated with a silane coupling agent having an amino group under acidic conditions and a polyether-modified polysiloxane.