cellulose diacetate NEW
| Price | $6 |
| Package | 25kg |
| Min. Order: | 25kg |
| Supply Ability: | 100000 |
| Update Time: | 2024-11-07 |
Product Details
| Product Name: cellulose diacetate | CAS No.: 9035-69-2 |
| EC-No.: 246-466-0 | Min. Order: 25kg |
| Purity: 99.99% | Supply Ability: 100000 |
| Release date: 2024/11/07 |
Cellulose diacetate quick Details
Chemicalname:Cellulose diacetate/acetate tow
CAS No.: 9035-69-2
Molecular Formula:C2H4O2
Cellulose diacetatetypical Properties
| Item | Specifications | Test methods |
| Combined acid% | 55.30±0.50 | GB/T32117-2015 Appendix A |
| Inherent viscosity dL/g | 1.60±0.10 | GB/T32117-2015 Appendix B |
| Moisture % | ≤ 2.0 | GB/T32117-2015 Appendix C |
| Blockage value | ≥ 25 | GB/T32117-2015 Appendix D |
| Free acid % | ≤0.0050 | GB/T32117-2015 Appendix E |
| Ash ppm | 250±10 | |
| Color, b | ≤ 5.0 | GB/T32117-2015 Appendix G |
| Bulk density | 0.17~0.30 | |
| Fe ppm | 2.0±0.5 | |
| Conclusion | The results conforms withenterprise standards | |
Cellulose diacetate Usage
It can be used to make non-woven fabrics for cigarette filters, ink pen refills, water absorbing layers and masks for diapers.
Cellulose diacetate description
Cellulose acetate is reacted from cellulose and acetic anhydride, in condition of catalyst and other additives. With acetic acid as solvent, the process of cellulose basically is heterogeneous reaction.
According to the degree of substitution(DS), Cellulose acetate can be commonly classified to cellulose diacetate(DAC) and cellulose triacetate(TAC). Usually, DAC has DS with 2.2-2.5 while TAC has DS with above 2.7.(DS is an average number, It represents the number of -OH which is substituted by -C0CH3)
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