FIELD: leather industry. SUBSTANCE: products are prepared by azo coupling reaction with aromatic polymer derivatives, wherein second components are amino-containing aromatic derivatives of polyhexamethyleneguanidine synthesized from alpha-naphthylamine, sulfanilic acid, and naphthionic acid, first components being sulfanilic acid, p-nitroaniline, alpha-naphthylamine, naphthionic acid, and 2,6- dichloro-4-nitroaniline. EFFECT: extended assortment of coloring polymers showing a variety of process properties and sources of starting materials for their production.
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PREPARING POLYMERIC PRODUCTS FOR TREATMENT OF LEATHER | 1998 |
|
RU2131443C1 |
| UPPER LEATHER MANUFACTURE PROCESS | 1999 |
|
RU2168549C1 |
| METHOD OF PREPARING LEATHER-WORKING POLYMER PRODUCTS | 2000 |
|
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|
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| SHEEPSKIN TANNAGE PROCESS | 2000 |
|
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| COMPOSITION FOR LEATHER STAINING | 2000 |
|
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| DEVICE FOR WINDING LONG-CUT MATERIALS ON MANDREL | 1998 |
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| METHOD AND DEVICE FOR MEASUREMENT OF LENGTH OF MOVING MATERIAL | 1999 |
|
RU2174212C2 |
| MONO- AND DISAZO-DERIVATIVES ON THE BASE OF 2,4,6-TRIAMINOTOLUENE AS AZO DYES AND METHOD OR THEIR PRODUCTION | 1994 |
|
RU2102415C1 |
| ROLL MATERIAL WINDING DENSITY CONTROL METHOD | 1997 |
|
RU2120400C1 |
