Chitosan/styrene-acrylic emulsion surface sizing agent for papermaking

Abstract

The invention provides a chitosan / styrene-acrylic emulsion surface sizing agent for papermaking. A formula of the chitosan / styrene-acrylic emulsion surface sizing agent comprises deionized water, chitosan, ammonium persulfate, ferrous sulfate, styrene, butyl acrylate, methyl acrylate, a composite emulsifier, hydrogen peroxide, a defoaming agent and glyoxal. A preparation method comprises the following steps: 1, stirring 28kg of deionized water and ammonium persulfate for standby use; 2, mixing 16kg of deionized water and ferrous sulfate for standby use; 3, stirring the styrene, butyl acrylate,methyl acrylate and the composite emulsifier for standby use; 4, mixing 100kg of deionized water and hydrogen peroxide for standby use; 5, adding the surplus water into chitosan, heating, and addingthe standby use material of step 1; 6, adding the standby use material of step 2, and preserving the heat for 10 minutes; 7, stirring 10 percent of to-be-used mixed monomer of step 3 and 10 percent ofstandby use material of step 4; 8, adding the remaining standby use materials of step 3 and 4; 9, cooling to 60 DEG C, adding the glyoxal, and stirring for 15 minutes; 10, adding the defoaming agent;and 11, filtering to remove impurities, thus obtaining a finished product. By adopting the sizing agent, the film forming performance, adhesion and paper surface strength of the paper product can beimproved, and the environment-friendly production can be facilitated.

Description

technical field

[0001] The invention relates to a material for papermaking production, in particular to a chitosan / styrene-acrylic emulsion surface sizing agent for papermaking. Background technique

[0002] The quality of paper production requires good color retention and corrosion resistance. In the traditional production method, styrene-acrylic emulsion must be added to meet the above requirements. However, the existing styrene-acrylic emulsion is composed of three main types: styrene, acrylate, and acrylic acid. Material acquisition, and the sizing agent processed by these three main materials has problems such as poor film formation, low coating strength, poor coating water resistance, poor erosion resistance and poor light resistance, which directly affects the existing paper products. overall quality. Contents of the invention

[0003] The purpose of the present invention is to solve the above-mentioned existing problems, and to provide a chitosan / styrene-acrylic e...

Examples

Embodiment 1

[0024] Prescription material weight part is as follows:

[0025] Deionized water 1304Kg, chitosan 194 Kg, ammonium persulfate 10 Kg, ferrous sulfate 0.3 Kg, styrene 240 Kg, butyl acrylate 164 Kg, methyl acrylate 8 Kg, compound emulsifier 114 Kg, hydrogen peroxide 40 Kg, Defoamer 0.4 Kg, glyoxal 84 Kg,

[0026] The preparation method is as follows:

[0027] Step 1, take 28 Kg of deionized water and ammonium persulfate and put it into a container, stir and mix evenly for later use;

[0028] Step 2, take 16 Kg of deionized water and put it into a container with ferrous sulfate, stir and mix evenly for later use;

[0029] Step 3. Put the four materials of styrene, butyl acrylate, methyl acrylate and compound emulsifier together into a container and stir evenly to make it a mixed monomer for use;

[0030] Step 4. Take 100 Kg of deionized water and put it into a container with hydrogen peroxide, stir and mix evenly for later use;

[0031] Step 5. Put the remaining 1160 Kg of dei...

Embodiment 2

[0042] Prescription material weight part is as follows:

[0043] Deionized water 1304Kg, chitosan 194 Kg, ammonium persulfate 10 Kg, ferrous sulfate 0.3 Kg, styrene 240 Kg, butyl acrylate 164 Kg, methyl acrylate 8 Kg, compound emulsifier 114 Kg, hydrogen peroxide 40 Kg, Defoamer 0.4 Kg, glyoxal 84 Kg,

[0044] The preparation method is as follows:

[0045] Step 1, take 28 Kg of deionized water and ammonium persulfate and put it into a container, stir and mix evenly for later use;

[0046] Step 2, take 16 Kg of deionized water and put it into a container with ferrous sulfate, stir and mix evenly for later use;

[0047] Step 3. Put the four materials of styrene, butyl acrylate, methyl acrylate and compound emulsifier together into a container and stir evenly to make it a mixed monomer for use;

[0048] Step 4. Take 100 Kg of deionized water and put it into a container with hydrogen peroxide, stir and mix evenly for later use;

[0049] Step 5. Put the remaining 1160 Kg of dei...

Embodiment 3

[0060] Prescription material weight part is as follows:

[0061] Deionized water 1304Kg, chitosan 194 Kg, ammonium persulfate 10 Kg, ferrous sulfate 0.3 Kg, styrene 240 Kg, butyl acrylate 164 Kg, methyl acrylate 8 Kg, compound emulsifier 114 Kg, hydrogen peroxide 40 Kg, Defoamer 0.4 Kg, glyoxal 84 Kg,

[0062] The preparation method is as follows:

[0063] Step 1, take 28 Kg of deionized water and ammonium persulfate and put it into a container, stir and mix evenly for later use;

[0064] Step 2, take 16 Kg of deionized water and put it into a container with ferrous sulfate, stir and mix evenly for later use;

[0065] Step 3. Put the four materials of styrene, butyl acrylate, methyl acrylate and compound emulsifier together into a container and stir evenly to make it a mixed monomer for use;

[0066] Step 4. Take 100 Kg of deionized water and put it into a container with hydrogen peroxide, stir and mix evenly for later use;

[0067] Step 5. Put the remaining 1160 Kg of deion...

technical field

[0001] The invention relates to a material for papermaking production, in particular to a chitosan / styrene-acrylic emulsion surface sizing agent for papermaking. Background technique

[0002] The quality of paper production requires good color retention and corrosion resistance. In the traditional production method, styrene-acrylic emulsion must be added to meet the above requirements. However, the existing styrene-acrylic emulsion is composed of three main types: styrene, acrylate, and acrylic acid. Material acquisition, and the sizing agent processed by these three main materials has problems such as poor film formation, low coating strength, poor coating water resistance, poor erosion resistance and poor light resistance, which directly affects the existing paper products. overall quality. Contents of the invention

[0003] The purpose of the present invention is to solve the above-mentioned existing problems, and to provide a chitosan / styrene-acrylic e...

Examples

Embodiment 1

[0024] Prescription material weight part is as follows:

[0025] Deionized water 1304Kg, chitosan 194 Kg, ammonium persulfate 10 Kg, ferrous sulfate 0.3 Kg, styrene 240 Kg, butyl acrylate 164 Kg, methyl acrylate 8 Kg, compound emulsifier 114 Kg, hydrogen peroxide 40 Kg, Defoamer 0.4 Kg, glyoxal 84 Kg,

[0026] The preparation method is as follows:

[0027] Step 1, take 28 Kg of deionized water and ammonium persulfate and put it into a container, stir and mix evenly for later use;

[0028] Step 2, take 16 Kg of deionized water and put it into a container with ferrous sulfate, stir and mix evenly for later use;

[0029] Step 3. Put the four materials of styrene, butyl acrylate, methyl acrylate and compound emulsifier together into a container and stir evenly to make it a mixed monomer for use;

[0030] Step 4. Take 100 Kg of deionized water and put it into a container with hydrogen peroxide, stir and mix evenly for later use;

[0031] Step 5. Put the remaining 1160 Kg of dei...

Embodiment 2

[0042] Prescription material weight part is as follows:

[0043] Deionized water 1304Kg, chitosan 194 Kg, ammonium persulfate 10 Kg, ferrous sulfate 0.3 Kg, styrene 240 Kg, butyl acrylate 164 Kg, methyl acrylate 8 Kg, compound emulsifier 114 Kg, hydrogen peroxide 40 Kg, Defoamer 0.4 Kg, glyoxal 84 Kg,

[0044] The preparation method is as follows:

[0045] Step 1, take 28 Kg of deionized water and ammonium persulfate and put it into a container, stir and mix evenly for later use;

[0046] Step 2, take 16 Kg of deionized water and put it into a container with ferrous sulfate, stir and mix evenly for later use;

[0047] Step 3. Put the four materials of styrene, butyl acrylate, methyl acrylate and compound emulsifier together into a container and stir evenly to make it a mixed monomer for use;

[0048] Step 4. Take 100 Kg of deionized water and put it into a container with hydrogen peroxide, stir and mix evenly for later use;

[0049] Step 5. Put the remaining 1160 Kg of dei...

Embodiment 3

[0060] Prescription material weight part is as follows:

[0061] Deionized water 1304Kg, chitosan 194 Kg, ammonium persulfate 10 Kg, ferrous sulfate 0.3 Kg, styrene 240 Kg, butyl acrylate 164 Kg, methyl acrylate 8 Kg, compound emulsifier 114 Kg, hydrogen peroxide 40 Kg, Defoamer 0.4 Kg, glyoxal 84 Kg,

[0062] The preparation method is as follows:

[0063] Step 1, take 28 Kg of deionized water and ammonium persulfate and put it into a container, stir and mix evenly for later use;

[0064] Step 2, take 16 Kg of deionized water and put it into a container with ferrous sulfate, stir and mix evenly for later use;

[0065] Step 3. Put the four materials of styrene, butyl acrylate, methyl acrylate and compound emulsifier together into a container and stir evenly to make it a mixed monomer for use;

[0066] Step 4. Take 100 Kg of deionized water and put it into a container with hydrogen peroxide, stir and mix evenly for later use;

[0067] Step 5. Put the remaining 1160 Kg of deion...