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Sodium poly[(naphthaleneformaldehyde)sulfonate]

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Sodium poly[(naphthaleneformaldehyde)sulfonate] Basic information

Product Name:
Sodium poly[(naphthaleneformaldehyde)sulfonate]
Synonyms:
  • atlox4862
  • barrasuper
  • bevaloid35
  • blancol
  • blancoldispersant
  • darvan1
  • darvanno.1
  • daxad11
CAS:
9084-06-4
MF:
(C11H7O4SNa)n
MW:
0
EINECS:
618-665-6
Product Categories:
  • Polymers
Mol File:
Mol File
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Sodium poly[(naphthaleneformaldehyde)sulfonate] Chemical Properties

PH
pH (20g/l, 25℃) : 6.0~9.0
Hydrolytic Sensitivity
0: forms stable aqueous solutions
EPA Substance Registry System
Naphthalenesulfonic acid formaldehyde polymer sodium salt (9084-06-4)
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Safety Information

Hazard Codes 
Xi;N,N,Xi
Risk Statements 
36/38
Safety Statements 
26-36
TSCA 
Yes
Toxicity
LD50 oral in rat: 3800mg/kg
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Sodium poly[(naphthaleneformaldehyde)sulfonate] Usage And Synthesis

Chemical Properties

Sodium poly[(naphthaleneformaldehyde)sulfonate] is a brown powde,soluble in water, resistant to acid, alkali and hard water.  Annd it has good diffusivity and excelllent resistant to high temperatures than NNO. Sodium poly[(naphthaleneformaldehyde)sulfonate] is commonly used as dispersant and filler of scattered dyes, reactive dyes, pesticides, leather tanning agent,  also water reducing agent for construction and oil well.  

Uses

Used as a diluent for pulp control in the paper industry, reducing duplexity, improving filler or fines retention, improving sizing, and reducing coating viscosity.
Used as a high-efficiency dispersant for water-based coatings and pigment pastes.
Used as an adhesive, improve water resistance of filler powder andsealing layers.

Synthesis

The solution of naphthalene(550kg)was heated at 50°C for 4h  in the reaction kettle.  Then cool down and pass water vapor to hydrolyze the by-product to give 1-naphthalenesulfonic acid. After the hydrolysis is completed,  formaldehyde (37%)  is added under 196kPa.  Finally, alkali is added to neutralize to pH 8-10. The mixtrue was cooling and crystallization,and filtered out to give the product, Sodium poly[(naphthaleneformaldehyde)sulfonate] .

Sodium poly[(naphthaleneformaldehyde)sulfonate] Preparation Products And Raw materials

Raw materials

Preparation Products

Sodium poly[(naphthaleneformaldehyde)sulfonate]Supplier

Zhejiang Hongxin Dyeing Material Co., Ltd. Gold
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0575-82518360 15267552552
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Secco work (Beijing) chemical technology co., LTD Gold
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010-69755668
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Anhui Shengyuan Chemical Co.Ltd. Gold
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Meryer (Shanghai) Chemical Technology Co., Ltd.
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