CN106750373A - The preparation method of modified carboxyl styrene-butadiene latex dispersion liquid - Google Patents
The preparation method of modified carboxyl styrene-butadiene latex dispersion liquid Download PDFInfo
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- CN106750373A CN106750373A CN201611050444.1A CN201611050444A CN106750373A CN 106750373 A CN106750373 A CN 106750373A CN 201611050444 A CN201611050444 A CN 201611050444A CN 106750373 A CN106750373 A CN 106750373A
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- butadiene latex
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- calcium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L13/00—Compositions of rubbers containing carboxyl groups
- C08L13/02—Latex
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/12—Coatings without pigments applied as a solution using water as the only solvent, e.g. in the presence of acid or alkaline compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2313/00—Characterised by the use of rubbers containing carboxyl groups
- C08J2313/02—Latex
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/54—Aqueous solutions or dispersions
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
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Abstract
The invention discloses the preparation method of modified carboxyl styrene-butadiene latex dispersion liquid, modified nano calcium carbonate dry powder is mixed with carboxylic styrene butadiene latex first, stirred, dispersion emulsion is obtained；Then many active function groups polymer are well mixed with dispersion emulsion obtained above, are placed in centrifuge, eliminate the bubble in dispersion emulsion, obtain modified carboxyl styrene-butadiene latex dispersion liquid.By absorption of the modified nano calcium carbonate hydrophobic group on carboxylic styrene butadiene latex particle, then reacted with the hydrophilic radical in carboxylic styrene butadiene latex by a small amount of many active function groups coating reinforcing agents, greatly improve the wet strong and wet friction of carboxylic styrene butadiene latex；Preparation cost is low, can be reduced due to injury of the harmful components to the person in water repellent agent without water repellent agent, realizes coating paper product environmental protection and energy saving.
Description
Technical field
The present invention relates to a kind of preparation method of modified carboxyl styrene-butadiene latex dispersion liquid.
Background technology
At present, developing rapidly with packing business and paper-making industry, in order to meet the processing of the printing performance and paper of paper
Performance requirement, it is necessary to develop excellent painting processing paper auxiliary agent.Coating is main by pigment, adhesive and other a small amount of auxiliary agent groups
Into the maximum generally styrene-butadiene latex of the most frequently used and usage amount in coating adhesive, although styrene-butadiene latex is in itself to wet strong and anti-
Wet friction has preferably effect, but is added in its preparation process generally for its mechanical stability and intensity is improved
Acrylic acid increased the hydrophily in styrene-butadiene latex as its copolymer and carboxyl, so as to cause into the wet strong and wet friction of paper
Degradation.Especially with coating, the raising of print speed printing speed and the repeatedly appearance of printing, the wet strong and wet friction into paper is carried
Requirement higher is gone out.
To reach the purpose of its surface waterproofing or water resistant, except adding water-resistance material or reinforcing internal sizing in body paper
Outward, most basic most direct method is exactly that water repellent agent is added in coating, paper coating is obtained good water repelling property.
Conventional papermaking coating coating reinforcing agent mainly includes Polyamide Epoxy class, metallic salt, amino at present
Resin, aldehydes.Amino resins low production cost, process is simple, but because such product contains formaldehyde in itself, even across changing
Property, production, using also can constantly discharge harmful formaldehyde gas in, storage process will gradually be eliminated.Glyoxal resin cost
Low, water repelling property, fine properties, coating paper dry and wet picking strength are preferable, but the meeting in alkaline environment due to glyoxal
Generation disproportionated reaction, influences the storge quality of its cross-linking properties and coating, is not suitable for being used under pH high, and limiting it should
With.PAPU resinoid coating paper dry and wet picking strengths are high, but curing is slow, and cost is very high.Metallic salt such as AZC classes consumption is few,
Effect is significant, there is micro- ammonia odor.Environment is damaged and polluted to human body, thus in articles for daily use, health medical instrument, food drink
Use in material, the housing material of export goods receives strict limitation.
The content of the invention
The purpose of the present invention is to overcome the shortcomings of that prior art is present, there is provided a kind of modified carboxyl styrene-butadiene latex dispersion liquid
Preparation method, it is intended to greatly improve the wet strong and wet friction of carboxylic styrene butadiene latex, reduces in coating water repellent agent or without water resistant
Agent, prevents injury of the harmful components to human body in water repellent agent, and reduce styrene-butadiene latex cost.
The purpose of the present invention is achieved through the following technical solutions：
The preparation method of modified carboxyl styrene-butadiene latex dispersion liquid, feature is：Comprise the following steps：
1) modified nano calcium carbonate dry powder is mixed with carboxylic styrene butadiene latex, is stirred, dispersion emulsion is obtained；
2) many active function groups polymer are well mixed with dispersion emulsion obtained above, are placed in centrifuge, eliminated
Bubble in dispersion emulsion, obtains modified carboxyl styrene-butadiene latex dispersion liquid.
Further, the preparation method of above-mentioned modified carboxyl styrene-butadiene latex dispersion liquid, wherein, the modified nano-meter caco 3
Calcium dry powder is 0.5~1 with the weight proportion of carboxylic styrene butadiene latex：10.
Further, the preparation method of above-mentioned modified carboxyl styrene-butadiene latex dispersion liquid, wherein, it is characterised in that：It is described
Modified nano calcium carbonate is stearic acid modified nano-calcium carbonate dry powder, Abietyl modified nano-calcium carbonate dry powder or silane-modified nanometer
Calcium carbonate dry powder.
Further, the preparation method of above-mentioned modified carboxyl styrene-butadiene latex dispersion liquid, wherein, it is characterised in that：It is described
Modified nano calcium carbonate dry powder is mixed with carboxylic styrene butadiene latex by mixer.
Further, the preparation method of above-mentioned modified carboxyl styrene-butadiene latex dispersion liquid, wherein, the rotating speed of the mixer
It is 2000rpm, mixing time is 30min.
Further, the preparation method of above-mentioned modified carboxyl styrene-butadiene latex dispersion liquid, wherein, step 1), by abundant
Stirring makes inorganic nano calcium carbonate particle be adsorbed in carboxyl fourth by adsorption mechanism, chemical bond mechanism and electrostatic interaction mechanism
Benzene latex particle surface, and stand.
Further, the preparation method of above-mentioned modified carboxyl styrene-butadiene latex dispersion liquid, wherein, the number of days of standing is 2~4
My god.
Further, the preparation method of above-mentioned modified carboxyl styrene-butadiene latex dispersion liquid, wherein, step 2), according to over dry
Meter, 0.1~0.3 part of many active function groups polymer are well mixed with 100 parts of dispersion emulsions.
Further, the preparation method of above-mentioned modified carboxyl styrene-butadiene latex dispersion liquid, wherein, many active function groups
Polymer contain silicone hydroxyl, alcoholic extract hydroxyl group, epoxy resin, unsaturated organic acid or epoxy resin, silicone hydroxyl or epoxy resin,
Alcoholic extract hydroxyl group, unsaturated organic acid or silicone hydroxyl or epoxy resin.
Further, the preparation method of above-mentioned modified carboxyl styrene-butadiene latex dispersion liquid, wherein, many active function groups
Polymer is slowly well mixed with dispersion emulsion.
The present invention has significant advantage and beneficial effect compared with prior art, embodies in the following areas：
1. the present invention passes through absorption of the modified nano calcium carbonate hydrophobic group on carboxylic styrene butadiene latex particle, then by few
Measure many active function groups coating reinforcing agents to be reacted with the hydrophilic radical in carboxylic styrene butadiene latex, greatly improve carboxylic styrene butadiene latex
Wet strong and wet friction；
2. the amount of the complexing agent that the method is added is few, and ensure that complexing agent and modified nano calcium carbonate particle surface
Modified group uniform contact；
3. compared with without the carboxylic styrene butadiene latex for the treatment of, containing modified nano calcium carbonate and many active function groups polymer
Compound carboxylic styrene butadiene latex dispersion liquid, has significantly effect the aspects such as the wet strength and moisture-proof frictional property of coating paper are improved
Really；And into physical property such as the dry picking strength of paper, smoothness, glossiness, ink absorption, whiteness without influence；
4. preparation cost is low, can be reduced due to injury of the harmful components to the person in water repellent agent without water repellent agent, right
Environmental protection and energy saving, energy strategy in realization coating paper product, sustainable development have great meaning.
Specific embodiment
In order to be more clearly understood to technical characteristic of the invention, purpose and effect, specific implementation is now described in detail
Scheme.
The specific preparation technology of modified carboxyl styrene-butadiene latex dispersion liquid of the present invention：
First, modified nano calcium carbonate dry powder is mixed with carboxylic styrene butadiene latex, modified nano calcium carbonate dry powder and carboxyl
The weight proportion of styrene-butadiene latex is 0.5~1：10, modified nano calcium carbonate is stearic acid modified nano-calcium carbonate dry powder, rosin changes
Property nano-calcium carbonate dry powder or silane-modified nano-calcium carbonate dry powder, are stirred, the rotating speed of mixer by mixer
It is 2000rpm, mixing time is 30min, by being sufficiently stirred for making inorganic nano calcium carbonate particle pass through adsorption mechanism, chemical bond
Mechanism and electrostatic interaction mechanism are adsorbed in carboxylic styrene butadiene latex particle surface, and stand 2~4 days, and dispersion emulsion is obtained；
Then, according to over dry meter, 0.1~0.3 part of many active function groups polymer mix with 100 parts of dispersion emulsions
Uniformly, many active function groups polymer contain silicone hydroxyl, alcoholic extract hydroxyl group, epoxy resin, unsaturated organic acid or epoxy resin, silicon
Hydroxyl or epoxy resin, alcoholic extract hydroxyl group, unsaturated organic acid or silicone hydroxyl or epoxy resin, many active function groups polymer
Slowly it is well mixed with dispersion emulsion；Centrifuge is placed in, the bubble in dispersion emulsion is eliminated, modified carboxyl butadiene-styrene rubber is obtained
Newborn dispersion liquid.
After modified nano calcium carbonate dry powder mixes with carboxylic styrene butadiene latex, modified nano calcium carbonate particle is heavy by physics
, in carboxylic styrene butadiene latex particle surface, modified nano-calcium carbonate surface has hydrophobic for product, chemical bonding and electrostatic interaction absorption
Group, hydrophobic group can strengthen the water-resistance of dispersion liquid；Subsequent stirring and standing, cause nano-calcium carbonate and Carboxy
Latex is sufficiently mixed contact, is eventually adding a small amount of many active function groups coating reinforcing agents, because many active function groups coating increase
Strong agent contains the one of which such as silicone hydroxyl, alcoholic extract hydroxyl group, epoxy resin, unsaturated acids or various groups, and these groups can be with
The hydrophilic radical of institute's band reacts to form covalent bond in styrene-butadiene latex, the quantity of free hydrophilic radical in coating is reduced, so as to reach
Improve the effect of the wet strong and wet friction of carboxylic styrene butadiene latex.
The amount of the complexing agent that the method is added is few, and ensure that complexing agent with modified nano calcium carbonate particle surface
Modified group uniform contact.The particle diameter of modified nano calcium carbonate is smaller, and many active function groups coating reinforcing agent proportions are also got over
It is small.
Embodiment 1：
Precise 200g carboxylic styrene butadiene latexs, stir under the rotating speed of 1000rpm, slowly add 10g stearic while stirring
Sour modified nano calcium carbonate dry powder, after addition is finished, agitator speed is adjusted to 2000rpm and stirs 30min so that inorganic nano
Calcium carbonate particle can be adsorbed and carboxylic styrene butadiene latex particle by adsorption mechanism, chemical bond mechanism and electrostatic interaction mechanism
Surface, and 4 days are stood, form dispersion emulsion；
The many active function groups polymer of 0.1g are weighed, is slowly well mixed with 100g dispersion emulsions obtained above, and
Centrifuge is placed in, bubble in dispersion emulsion is eliminated, modified carboxylic styrene butadiene latex dispersion liquid is finally given.
Embodiment 2：
Precise 200g carboxylic styrene butadiene latexs, are stirred under the rotating speed of 1000rpm, and 15g rosin is slowly added while stirring
Modified nano calcium carbonate dry powder, after addition is finished, agitator speed is adjusted to 2000rpm and stirs 30min so that inorganic nano carbon
Sour calcium particle can be adsorbed and carboxylic styrene butadiene latex particle table by adsorption mechanism, chemical bond mechanism and electrostatic interaction mechanism
Face, and 3 days are stood, form dispersion emulsion；
The many active function groups polymer of 0.25g are weighed, is slowly well mixed with 100g dispersion emulsions obtained above, and
Centrifuge is placed in, bubble in dispersion emulsion is eliminated, modified carboxylic styrene butadiene latex dispersion liquid is finally given.
Embodiment 3：
Precise 200g carboxylic styrene butadiene latexs, are stirred under the rotating speed of 1000rpm, and 20g silane is slowly added while stirring
Modified nano calcium carbonate dry powder, after addition is finished, agitator speed is adjusted to 2000rpm and stirs 30min so that inorganic nano carbon
Sour calcium particle can be adsorbed and carboxylic styrene butadiene latex particle table by adsorption mechanism, chemical bond mechanism and electrostatic interaction mechanism
Face, and 2 days are stood, form dispersion emulsion；
The many active function groups polymer of 0.3g are weighed, is slowly well mixed with 100g dispersion emulsions obtained above, and
Centrifuge is placed in, bubble in dispersion emulsion is eliminated, modified carboxylic styrene butadiene latex dispersion liquid is finally given.
Above-described embodiment 1~3 obtains the performance applications test result such as following table of product：
Application effect：
Formulation for coating material used is as follows：
It is as follows into paper physical property：
Note：Wet friction numerical value is smaller, and moisture-resistant frictional behaviour is better.
As can be seen that compared with without the carboxylic styrene butadiene latex for the treatment of, containing modified nano calcium carbonate and many activity functions
The compound carboxylic styrene butadiene latex dispersion liquid of reunion compound, has the aspects such as the wet strength and moisture-proof frictional property of coating paper are improved
Remarkable result.And into physical property such as the dry picking strength of paper, smoothness, glossiness, ink absorption, whiteness without influence.
In sum, the present invention passes through absorption of the modified nano calcium carbonate hydrophobic group on carboxylic styrene butadiene latex particle,
Reacted with the hydrophilic radical in carboxylic styrene butadiene latex by a small amount of many active function groups coating reinforcing agents again, greatly improve carboxyl
The wet strong and wet friction of styrene-butadiene latex.Preparation cost of the present invention is low, can be reduced due to being harmful into water repellent agent without water repellent agent
Divide the injury to the person, environmental protection and energy saving, energy strategy for realization coating paper product, sustainable development have great meaning.
It should be noted that：The preferred embodiment of the present invention is the foregoing is only, power of the invention is not limited to
Sharp scope；Simultaneously more than description, should understand and implement for the special personage of correlative technology field, thus other without departing from
The equivalent change or modification completed under disclosed spirit, in should be included in claim.
Claims (10)
1. the preparation method of modified carboxyl styrene-butadiene latex dispersion liquid, it is characterised in that：Comprise the following steps：
1) modified nano calcium carbonate dry powder is mixed with carboxylic styrene butadiene latex, is stirred, dispersion emulsion is obtained；
2) many active function groups polymer are well mixed with dispersion emulsion obtained above, are placed in centrifuge, eliminate dispersion
Bubble in emulsion, obtains modified carboxyl styrene-butadiene latex dispersion liquid.
2. the preparation method of modified carboxyl styrene-butadiene latex dispersion liquid according to claim 1, it is characterised in that：It is described modified
Nano-calcium carbonate dry powder is 0.5~1 with the weight proportion of carboxylic styrene butadiene latex：10.
3. the preparation method of modified carboxyl styrene-butadiene latex dispersion liquid according to claim 1 and 2, it is characterised in that：It is described
Modified nano calcium carbonate is stearic acid modified nano-calcium carbonate dry powder, Abietyl modified nano-calcium carbonate dry powder or silane-modified nanometer
Calcium carbonate dry powder.
4. the preparation method of modified carboxyl styrene-butadiene latex dispersion liquid according to claim 1 and 2, it is characterised in that：It is described
Modified nano calcium carbonate dry powder is mixed with carboxylic styrene butadiene latex by mixer.
5. the preparation method of modified carboxyl styrene-butadiene latex dispersion liquid according to claim 4, it is characterised in that：The stirring
The rotating speed of machine is 2000rpm, and mixing time is 30min.
6. the preparation method of modified carboxyl styrene-butadiene latex dispersion liquid according to claim 1, it is characterised in that：Step 1),
By being sufficiently stirred for making inorganic nano calcium carbonate particle pass through the absorption of adsorption mechanism, chemical bond mechanism and electrostatic interaction mechanism
In carboxylic styrene butadiene latex particle surface, and stand.
7. the preparation method of modified carboxyl styrene-butadiene latex dispersion liquid according to claim 6, it is characterised in that：The day of standing
Number is 2~4 days.
8. the preparation method of modified carboxyl styrene-butadiene latex dispersion liquid according to claim 1, it is characterised in that：Step 2),
According to over dry meter, 0.1~0.3 part of many active function groups polymer are well mixed with 100 parts of dispersion emulsions.
9. the preparation method of the modified carboxyl styrene-butadiene latex dispersion liquid according to claim 1 or 8, it is characterised in that：It is described
Many active function groups polymer contain silicone hydroxyl, alcoholic extract hydroxyl group, epoxy resin, unsaturated organic acid or epoxy resin, silicone hydroxyl
Or epoxy resin, alcoholic extract hydroxyl group, unsaturated organic acid or silicone hydroxyl or epoxy resin.
10. the preparation method of modified carboxyl styrene-butadiene latex dispersion liquid according to claim 1, it is characterised in that：It is described many
Active function groups polymer is slowly well mixed with dispersion emulsion.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109880311A (en) * | 2019-01-25 | 2019-06-14 | 东莞市基烁实业有限公司 | The preparation method of resist blocking and that masterbatch and preparation method and release film basement membrane |
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2016
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109880311A (en) * | 2019-01-25 | 2019-06-14 | 东莞市基烁实业有限公司 | The preparation method of resist blocking and that masterbatch and preparation method and release film basement membrane |
| CN109880311B (en) * | 2019-01-25 | 2021-04-02 | 东莞市基烁实业有限公司 | Anti-blocking master batch, preparation method thereof and preparation method of release film base film |
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