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Dyeing method of Paper Dyes
1. |
Proportion of dyestuff and paper pulp in dying red by using Direct Red E: |
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OCC(wasted carton)600kgs, ONP(wasted news paper) 400kgs, add water and heated to 100°C, pulping, add 1.5kgs of soluted Direct Red E 100%, then add 40kgs of Sodium Sulphate anhydrous, agitate and pulp it to be uniform. |
2. |
Proportion of dyestuff and paper pulp in dying green by using Direct Green DB: |
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OCC(wasted carton)600kgs, ONP(wasted news paper)400kgs, add water and heated to 100°C, pulping, add 2.95kgs of soluted Direct Green DB 100%, then add 40kgs of Sodium Sulphate anhydrous, agitate and pulp it to be uniform. |
3. |
Proportion of dyestuff and paper pulp in dying deep brown by using Direct Brown BG: |
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OCC(wasted carton)1000kgs, add water and heated to 100°C, pulping, add 1.0kgs of soluted Direct Brown BG 100%, then add 40kgs of Sodium Sulphate anhydrous, agitate and pulp it to be uniform. |
4. |
Proportion of dyestuff and paper pulp in dying weak brown by using Direct Brown BB: |
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OCC(wasted carton) 500kgs, ONP(wasted news paper)500kgs, add water and heated to 100°C, pulping, add 2.0kgs of soluted Direct Brown BB 100%, then and 40kgs of Sodium Sulphate anhydrous, agitate and pulp it to be uniform. |
5. |
Proportion of dyestuff and paper pulp in dying blue by using Direct Blue D: |
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OCC(wasted carton)1000kgs, add water and heated to 100°C, pulping, add 2.3kgs of soluted Direct Blue D 100%, then add 40kgs of Sodium Sulphate anhydrous, agitate and pulp it to be uniform. |
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