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Dispersing agent in papermaking

Dispersing agent in papermaking

Country/Region china

Company Chinese singing stone official website company

Categories High Speed Disperser

Update 2011-02-18 09:26:59

ICP License Issued by the Chinese Ministry

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Dispersing agent in papermaking

1.Annexed table of physical natures

Appearance: white particle

Ionicity: negative ion

Charge density: medium

Molecular weight: extremely high

Granularity%>10 mesh<100 mesh

Maximum 2 maximum 10

Approximate loose density: 0,75

Solution appearance: a bit muddy

The time to dissolve in de-ionized water( minute) 5g/L,25℃:90

The time to preserve in de-ionized water (day):1

Storage temperature: 0-35℃

Storage period (month): 24

Note: molecular weight, anion degree PF-A13< PF-A16
Dissolution time, water-insoluble, viscosity degree PF-A13< PF-A16

2. Technological process and technical index of operation

2.1 Technological process

Slowly put the dispersing agent with water into the solution which carries blender and consistently mix to fully dissolve. Then add water to dissolve through the filter with 60 meshes before putting into the mixed papermaking of breast box and pulp

2.2 Technical index
Dissolution concentration: 0,025-0,05% dissolution time: PF-A13, 1~1.5h

Above PF-A16 1.5h (add water to shorten the dissolution time)

Dilution multiple 5-10 times

Water temperature normal temperature or the hot water under 60℃

Adding mount: Add 0.5-2.5Kg per one ton dry paper. Generally speaking, the thinner papermaking is, the more adding mount is.

3. Configuration requirement of equipment

3.1 Equipment and pipeline can be made of stainless steel or plastic and the concrete structure. Paint outside and inner lined with enamel tile

3.2 linear velocity of vertical curved blade 2-4 meter per second (AN923C)4-6 meter per second (AN926C)

4.Storage is required in the shady and dry area with the room temperature below 35℃

5. Problems to be noticed

5.1 When in dissolution, the mixing speed should not be too fast in case of preventing the long chain of high polymer from mechanical cutting and degrading. Linear velocity of vertical curved blade is less than 6 meter per second.

5.2 When the dispersing agent is added into the container, not too fast speed is required in case of caking and forming the undissolved substance.

5.3 The dispersing agent is needed to go through the filter with 60 meshes in case of the entering of undissolved mash to affect the finished quality.

5.4 Can and pipeline is not suitable to use. Iron ion can catalyze the degradation of polymer and decrease the effect of dispersing agent.

5.5 Pay attention to the use of cationic reinforcing agent and annexing agents that have an effect on the other dispersing agent, due to the fact that the chemicals carrying cationic charge will increase the dosage of dispersing agent.

5.6 The quality of water can affect the polymer and the adding mount is increased when the suspended substance is too much; the dispersing agent dissolves slowly when the quality of water is hard.

Product Tags:

paint dispersing agent


dispersing agent for paints


dispersing agent for paint

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