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Postion:Product Catalog >Catalyst and Auxiliary>cellulose diacetate
cellulose diacetate
  • cellulose diacetate

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

ItemSpecificationsTest methods
Combined acid%55.30±0.50GB/T32117-2015 Appendix A
Inherent viscosity dL/g1.60±0.10GB/T32117-2015 Appendix B
Moisture %≤ 2.0GB/T32117-2015 Appendix C
Blockage value≥ 25GB/T32117-2015 Appendix D
Free acid %≤0.0050GB/T32117-2015 Appendix E
Ash ppm250±10
Color, b≤ 5.0GB/T32117-2015 Appendix G
Bulk density0.17~0.30
Fe ppm2.0±0.5
ConclusionThe 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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