What is pigment and classification of pigment

  What is pigment and classification of Pigment : 

Pigment the word comes from Latin word " pingere'' which means paint or dye which all are insoluble  organic or in-organic colorant material that use in all over print and after print that are not soluble .This type of dyes are not soluble in water . Only with binder chemical we fix this color on textile material . 

Chromophore group are present in pigment but auxochrome group are not in pigment so for that pigment have no absorbency/affinity  to textile fiber . Pigments are of five different kinds . They are spectral , cubical , nadular, acicular , hamullar . 

Classification of pigment : Primarily pigment is classified in 2 category . 

1. Natural pigment 

2. Synthetic pigment 

Natural pigment are two kinds .

1. Organic pigment 

2. In-organic pigment 

Synthetic pigments are two kinds . 

1. Organic synthetic pigment 

2. In-organic synthetic pigment 

Organic pigment are two types : 

1. Natural organic pigment 

        a)Vegetable origin 

       b) Animal origin 

2. Synthetic organic pigment

  a)Azo 

  b) Non azo 

Azo pigment are below kinds : 

1. pigment 

2.precipited azo 

Synthetic organic pigment are different class like below : 

1.Precipited basic dye 

2.Precipited acid dye 

3.Pthalocyanic pigment 

4.Qnino noid vat dyes 

5. Miscellaneous 

6.Quino cridine