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Tên sản phẩm: | Tinopal ABP-Xhc NEW |
---|---|
Mã sản phẩm | Tinopal ABP-Xhc NEW |
Nhóm sản phẩm: | Optical Brighterning Agents |
Lượt xem | 1310 |
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Tinopal ABP-Xhc NEW
Chemical nature
Diamino stilbene disulphonic acid deri-vate.
Physical form: yellowish, fine spherical granules (powder)
Ionic charge: anionic
Features
Tinopal ABP-X HC NEW is a tetra- sulfonated Optical Brightening Agent (OBA) for paper. It is universal OBA i.e. can be used in all applications (wet end, size press and coating).
Tinopal ABP-X HC NEW is the most economical OBA for low to medium whiteness levels.
pH- value |
8.5 – 10.0 |
Bulk density |
approx. 0.5 – 0.62 g/cm³ |
Solubility |
500 g/l at 90 °C 400 g/l at 50 °C 300 g/l at 20 °C After cooling to 20 °C, this solution is stable for several days and can be used as a stock solution. |
Applications
Optical brightening in the wet end
Tinopal ABP-X HC NEW is an appropri- ate OBA to be used in sized, unfilled
and filled papers and boards at pH 4-9 as well as in unsized papers, provided water hardness is above 50 ppm CaO.
Optical brightening at the size press
Tinopal ABP-X HC NEW works well in starch based size press liquors, and in combination with CMC, PVA and syn- thetic binders.
Optical brightening in the coating
Tinopal ABP-X HC NEW is used in coating mixes containing combinations
of natural and synthetic binders and the usual pigments at pH 7 - 11 for low to medium whiteness. The OBA effect is largely dependent on the type and amount of co-binder used, such as starch, CMC, PVA, etc.
How t o use
Tinopal ABP-X HC NEW in the wet end
TINOPAL ABP-X HC NEW can be added batchwise in an undiluted way or as a stock solution to the pulper or mixing chest provided it is thoroughly mixed with the furnish. Care must be taken that the product is applied prior to either alum or cationic auxiliaries
Tinopal ABP-X HC NEW can also be dosed continuously as a stock solution at suitable points in the stock prepara- tion system.
Although Tinopal ABP-X HC NEW has medium to high affinity for cellulose, the whiteness depends on the treatment time and the consistency of the furnish. The best effect is obtained if the product is dosed at a point where the furnish is of high consistency. This is particularly important if soft water is being used.
Average dosage: 0.01 - 0.4 %
Tinopal ABP-X HC NEW (based on the weight of bone dry cellulose)
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