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CA-99 Water soluble solid sulfonate chain extender

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CA-99 Water soluble solid sulfonate chain extender
Water soluble solid sulfonate chain extender
CA-99 is a sulfonate diamine with sulfonic acid functional group chain extender for making high performance, high solid content Isocyanate crosslinker.
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Model
CA-99
MOQ
1 Ton/Tons
Payment
L/C, D/A, D/P, T/T, Western Union, MoneyGram, OA
Place of Origin
China Anhui
Brand
sinogracechist
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CA-99 Water soluble solid sulfonate chain extender

Description

CA-99 is a sulfonate diamine with sulfonic acid functional group chain extender for making high performance, high solid content Isocyanate crosslinker.

Typical Properties

Appearance

White powder

Purity (%)

>99.5

pKa

10.4

Molecular weight

~218

Loss on drying (%)

<0.5

Residue on Ignition (%)

<0.1

Chloride (Cl, %)

<0.05

Sulphate (SO42-, %)

<0.005

Heavy metal (Pb, %)

<0.0005


Key Features

  1. Water soluble
  2. Excellent emulsifying property
  3. Special hydrophilic chain extender
  4. Good compatibility with anionic or nonionic dispersions
  5. ● Specially used for producing high solid content Isocyanate crosslinker

APPLICATION

The chain extender for Isocyanate crosslinker

这里可以自定义设置

Storage and Handling

Raw material and dosage

Chemical name

Dosage

Isophorone diisocyanate  (IPDI)

71.0g

Polyester type polyol (Mw: 1000)

160.0g

Dimethylol Propionic Acid (DMPA)

1.2g

1,4-butanediol

6.95g

CA-95

11.8g

Triethylamine (TEA)

0.91g

Ethanediamine

2.23g

Acetone

~440g

Catalyst

~0.6g

这里可以自定义设置

Experimental process

Step-1

Add (1)IPDI 71.0g, (2)Polyester type polyol 160.0g, (3)DMPA 1.2g, (4)Catalyst 0.6g and (5) Acetone 30g in 1000ml three-necked flask.

Step-2

Then stir them (150-300rpm) and heat it till 75℃ for 2hours.

Step-3

After cooled to 50 ℃, add 1,4-butanediol 6.95g+acetone 10g. Then heat up till 70℃ for 3hours.

Step-4

 Cooled to less than 50℃,then add acetone 400g, TEA 0.91g and CA-95 11.8g. Heat up till 50℃ for 10min.

Step-5

Cooled to less than 40℃,emulsify it by adding ethanediamine aqueous (ethanediamine 2.23g+water 12g) and then water 300g.

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