CN101831839A - Reactive emulsifier phenylpropyl surface sizing agent and preparation method thereof - Google Patents
Reactive emulsifier phenylpropyl surface sizing agent and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a reactive emulsifier phenylpropyl surface sizing agent and a preparation method thereof. The reactive emulsifier phenylpropyl surface sizing agent has a molecular structure that the reactive emulsifier phenylpropyl surface sizing agent is prepared by using a method comprising the following steps of: preparing maleic acid polyethyleneglycol mono-stearate ester through the reaction of polyethyleneglycol, stearic acid and maleic anhydride, and preparing the reactive emulsifier phenylpropyl surface sizing agent through the copolymerization of the maleic acid polyethyleneglycol mono-stearate ester with styrene, octadecyl acrylate, acrylic acid and methyl acrylate by using ammonium sulfate as an evocating agent. The prepared reactive emulsifier phenylpropyl surface sizing agent can be well combined with paper fibers, the film forming property is good, and the water resistance and the ring crush compression resistance of semi-chemical corrugated paper can be improved.
Description
Technical field
The present invention relates to the preparation field of fluting medium Cypres, particularly a kind of reactive emulsifier phenylpropyl surface sizing agent and preparation method thereof.
Background technology
Along with increasing rapidly of Chinese commodity export volume, the quality requirement of commodity packaging with paper improved constantly, this manufacturing enterprise to China's fluting medium has higher requirement.Fresh fruit, food, vegetables, fresh flower and other agricultural product that corrugated case is extensively packed and transported need stand sea-freight and sell.Exporting at sea haulage time is long, because marine air humidity is big, causes the Packaging Box moisture absorption easily and is out of shape, and causes when serious that the packaging commodity damage and cause economic loss.Adopt container technology in the modernization transportation simultaneously, it requires shipping and warehouse-in to utilize the space as far as possible, and the palletize height is brought up to maximum with load, so need corrugated case to have great ability to bear.On the other hand, make full use of regenerated papermaking for saving fiber, the protection environment has great importance.Along with the increase gradually of secondary stock ratio in the pulping and paper-making fibrous raw material, be the also increase gradually of trend of raw material production fluting medium at present with waste paper.But the fluting medium outward appearance that with the domestic waste paper is raw material production is coarse, in actual applications, it is low that corrugated paper shows intensity mostly, especially encircle forcing up the targets and can not satisfy user's needs, reduced the class of cardboard, product marketing is not smooth, the market competitiveness is relatively poor, it is excessive that this production of low-intensity corrugated paper just occurred, and highly intensified corrugated paper tight market general layout, more and more fluting medium enterprise begins to adopt the mode of top sizing to reach the purpose of giving the paper WATER RESISTANCE and improving the ring pressure, and the Cypres that present fluting medium is using is an oxidized starch, alkyl ketene dimer (AKD) and common benzene emulsion.Oxidized starch can improve the ring crush intensity and the deflection of fluting medium, thereby but after the film forming easily the moisture absorption influence WATER RESISTANCE and ring crush intensity.AKD class Cypres has water repelling property preferably, but there is with the affinity of fiber relatively poor, contribution to ring pressure and deflection is little, emulsion facile hydrolysis in storage period influences sizing efficiency, and the problem that has the maturation period, be to want certain hour under the paper behind the machine just can reach maximum degree of sizing, in the maturation period, ring crush intensity declined by a big margin, WATER RESISTANCE is also descended to some extent owing to absorb moisture.Common benzene emulsion passes through emulsion polymerization prepared by styrene and acrylate monomer, and its preparation process is used small-molecular emulsifier more, not only influences the water resistance of fluting medium but also have environmental pollution.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of reactive emulsifier phenylpropyl surface sizing agent and preparation method thereof, the reactive emulsifier phenylpropyl surface sizing agent of the gained characteristics such as to reach the ring crush intensity height well that have a water resisting property.
For achieving the above object, the technical solution used in the present invention is:
A kind of molecular structure of reactive emulsifier phenylpropyl surface sizing agent is:
Reactive emulsifier phenylpropyl surface sizing agent
Wherein x, y, z, m, n are the integer greater than zero.
A kind of preparation method of reactive emulsifier phenylpropyl surface sizing agent is: obtain maleic acid polyethylene glycol single-hard ester acid ester by polyethylene glycol, stearic acid and maleic acid anhydride reactant earlier, be initator again with the ammonium persulfate, by maleic acid polyethylene glycol mono stearate and styrene, acrylic acid octadecanol ester, acrylic acid and methyl acrylate by copolyreaction preparation feedback type emulsifier phenylpropyl surface sizing agent.Its course of reaction is as follows:
Maleic anhydride polyethylene glycol stearic acid
Maleic acid polyethylene glycol single-hard ester acid ester
Styrene acrylic methyl esters acrylic acid octadecanol ester acrylic acid
Maleic acid polyethylene glycol single-hard ester acid ester
Reactive emulsifier phenylpropyl surface sizing agent
Wherein x, y, z, m, n are the integer greater than zero.
A kind of preparation method of reactive emulsifier phenylpropyl surface sizing agent specifically may further comprise the steps:
The first step, polyethylene glycol-400 and stearic acid were added in first reactor 85-90 ℃ the time reaction 1.0-2.0 hour, add maleic anhydride again and continued insulation reaction 1.5-2.0 hour, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyethylene glycol-400, hard ester acid and maleic anhydride is 10: 7: 2.5
Second the step, with maleic acid polyethylene glycol mono stearate, styrene, acrylic acid octadecanol ester, acrylic acid and methyl acrylate by 20: 4: 5: 7: 4 mass ratio is mixed and made into mix monomer,
The 3rd step, ammonium persulfate and deionized water are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add deionized water, be warming up to 60-65 ℃, the mass ratio of deionized water and made mix monomer is 124: 40, add ammonium persulfate aqueous solution and made mix monomer more respectively, the mass ratio of ammonium persulfate aqueous solution and made mix monomer is 21: 40, and the whole reinforced time is 2-3 hour
In the 5th step, feeding in raw material finished the back in 80-90 ℃ of insulation reaction 1-2 hour,
The 6th step cooled to 20-30 ℃, was that 30% sodium hydroxide solution adjusting pH value is 6.0-8.0 with mass fraction, and discharging obtains reactive emulsifier phenylpropyl surface sizing agent.
Because the reactive emulsifier emulsion is because of not residual emulsifying agent in the product, the gained high polymer has a water resisting property and is quite paid close attention to advantages such as adhesion are good, eliminate shortcoming and pollution that small-molecular emulsifier causes simultaneously, thereby improved the water repelling property and the ring crush intensity of fluting medium significantly.
The specific embodiment
To be described in further detail method of the present invention with specific embodiment below.
Embodiment one
A kind of preparation method of reactive emulsifier phenylpropyl surface sizing agent specifically may further comprise the steps:
The first step, 10 gram polyethylene glycol-400 and 7 gram stearic acid were added in first reactor 85 ℃ the time reaction 1.0 hours, add 2.5 again and went into maleic anhydride continuation insulation reaction 1.5 hours, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyethylene glycol-400, hard ester acid and maleic anhydride is 10: 7: 2.5
In second step, 20 gram maleic acid polyethylene glycol mono stearates, 4 gram styrene, 5 are restrained acrylic acid octadecanol esters, 7 gram acrylic acid and 4 gram methyl acrylates by 20: 4: 5: 7: 4 mass ratio is mixed and made into mix monomer,
The 3rd step, 1 gram ammonium persulfate and 20 gram deionized waters are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add 124 gram deionized waters, be warming up to 60 ℃, the mass ratio of deionized water and made mix monomer is 124: 40, add 21 gram ammonium persulfate aqueous solutions and the made mix monomer of 40 grams more respectively, the mass ratio of ammonium persulfate aqueous solution and made mix monomer is 21: 40, and the whole reinforced time is 2 hours
In the 5th step, the reinforced back that finishes is in 80 ℃ of insulation reaction 1.0 hours,
The 6th step cooled to 20 ℃, was that 30% sodium hydroxide solution adjusting pH value is 6.0 with mass fraction, and discharging obtains reactive emulsifier phenylpropyl surface sizing agent.
Embodiment two
A kind of preparation method of reactive emulsifier phenylpropyl surface sizing agent specifically may further comprise the steps:
The first step, 10 gram polyethylene glycol-400 and 7 gram stearic acid were added in first reactor 86 ℃ the time reaction 1.2 hours, add 2.5 again and went into maleic anhydride continuation insulation reaction 1.6 hours, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyethylene glycol-400, hard ester acid and maleic anhydride is 10: 7: 2.5
In second step, 20 gram maleic acid polyethylene glycol mono stearates, 4 gram styrene, 5 are restrained acrylic acid octadecanol esters, 7 gram acrylic acid and 4 gram methyl acrylates by 20: 4: 5: 7: 4 mass ratio is mixed and made into mix monomer,
The 3rd step, 1 gram ammonium persulfate and 20 gram deionized waters are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add 124 gram deionized waters, be warming up to 61 ℃, the mass ratio of deionized water and made mix monomer is 124: 40, add 21 gram ammonium persulfate aqueous solutions and the made mix monomer of 40 grams more respectively, the mass ratio of ammonium persulfate aqueous solution and made mix monomer is 21: 40, and the whole reinforced time is 2.2 hours
In the 5th step, the reinforced back that finishes is in 82 ℃ of insulation reaction 1.2 hours,
The 6th step cooled to 22 ℃, was that 30% sodium hydroxide solution adjusting pH value is 6.4 with mass fraction, and discharging obtains reactive emulsifier phenylpropyl surface sizing agent.
Embodiment three
A kind of preparation method of reactive emulsifier phenylpropyl surface sizing agent specifically may further comprise the steps:
The first step, 10 gram polyethylene glycol-400 and 7 gram stearic acid were added in first reactor 87 ℃ the time reaction 1.4 hours, add 2.5 again and went into maleic anhydride continuation insulation reaction 1.7 hours, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyethylene glycol-400, hard ester acid and maleic anhydride is 10: 7: 2.5
In second step, 20 gram maleic acid polyethylene glycol mono stearates, 4 gram styrene, 5 are restrained acrylic acid octadecanol esters, 7 gram acrylic acid and 4 gram methyl acrylates by 20: 4: 5: 7: 4 mass ratio is mixed and made into mix monomer,
The 3rd step, 1 gram ammonium persulfate and 20 gram deionized waters are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add 124 gram deionized waters, be warming up to 62 ℃, the mass ratio of deionized water and made mix monomer is 124: 40, add 21 gram ammonium persulfate aqueous solutions and the made mix monomer of 40 grams more respectively, the mass ratio of ammonium persulfate aqueous solution and made mix monomer is 21: 40, and the whole reinforced time is 2.4 hours
In the 5th step, the reinforced back that finishes is in 84 ℃ of insulation reaction 1.4 hours,
The 6th step cooled to 24 ℃, was that 30% sodium hydroxide solution adjusting pH value is 6.8 with mass fraction, and discharging obtains reactive emulsifier phenylpropyl surface sizing agent.
Embodiment four
A kind of preparation method of reactive emulsifier phenylpropyl surface sizing agent specifically may further comprise the steps:
The first step, 10 gram polyethylene glycol-400 and 7 gram stearic acid were added in first reactor 88 ℃ the time reaction 1.6 hours, add 2.5 again and went into maleic anhydride continuation insulation reaction 1.8 hours, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyethylene glycol-400, hard ester acid and maleic anhydride is 10: 7: 2.5
In second step, 20 gram maleic acid polyethylene glycol mono stearates, 4 gram styrene, 5 are restrained acrylic acid octadecanol esters, 7 gram acrylic acid and 4 gram methyl acrylates by 20: 4: 5: 7: 4 mass ratio is mixed and made into mix monomer,
The 3rd step, 1 gram ammonium persulfate and 20 gram deionized waters are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add 124 gram deionized waters, be warming up to 63 ℃, the mass ratio of deionized water and made mix monomer is 124: 40, add 21 gram ammonium persulfate aqueous solutions and the made mix monomer of 40 grams more respectively, the mass ratio of ammonium persulfate aqueous solution and made mix monomer is 21: 40, and the whole reinforced time is 2.6 hours
In the 5th step, the reinforced back that finishes is in 86 ℃ of insulation reaction 1.6 hours,
The 6th step cooled to 26 ℃, was that 30% sodium hydroxide solution adjusting pH value is 7.2 with mass fraction, and discharging obtains reactive emulsifier phenylpropyl surface sizing agent.
Embodiment five
A kind of preparation method of reactive emulsifier phenylpropyl surface sizing agent specifically may further comprise the steps:
The first step, 10 gram polyethylene glycol-400 and 7 gram stearic acid were added in first reactor 89 ℃ the time reaction 1.8 hours, add 2.5 again and went into maleic anhydride continuation insulation reaction 1.9 hours, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyethylene glycol-400, hard ester acid and maleic anhydride is 10: 7: 2.5
In second step, 20 gram maleic acid polyethylene glycol mono stearates, 4 gram styrene, 5 are restrained acrylic acid octadecanol esters, 7 gram acrylic acid and 4 gram methyl acrylates by 20: 4: 5: 7: 4 mass ratio is mixed and made into mix monomer,
The 3rd step, 1 gram ammonium persulfate and 20 gram deionized waters are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add 124 gram deionized waters, be warming up to 64 ℃, the mass ratio of deionized water and made mix monomer is 124: 40, add 21 gram ammonium persulfate aqueous solutions and the made mix monomer of 40 grams more respectively, the mass ratio of ammonium persulfate aqueous solution and made mix monomer is 21: 40, and the whole reinforced time is 2.8 hours
In the 5th step, the reinforced back that finishes is in 88 ℃ of insulation reaction 1.8 hours,
The 6th step cooled to 28 ℃, was that 30% sodium hydroxide solution adjusting pH value is 7.6 with mass fraction, and discharging obtains reactive emulsifier phenylpropyl surface sizing agent.
Embodiment six
A kind of preparation method of reactive emulsifier phenylpropyl surface sizing agent specifically may further comprise the steps:
The first step, 10 gram polyethylene glycol-400 and 7 gram stearic acid were added in first reactor 90 ℃ the time reaction 2.0 hours, add 2.5 again and went into maleic anhydride continuation insulation reaction 2.0 hours, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyethylene glycol-400, hard ester acid and maleic anhydride is 10: 7: 2.5
In second step, 20 gram maleic acid polyethylene glycol mono stearates, 4 gram styrene, 5 are restrained acrylic acid octadecanol esters, 7 gram acrylic acid and 4 gram methyl acrylates by 20: 4: 5: 7: 4 mass ratio is mixed and made into mix monomer,
The 3rd step, 1 gram ammonium persulfate and 20 gram deionized waters are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add 124 gram deionized waters, be warming up to 65 ℃, the mass ratio of deionized water and made mix monomer is 124: 40, add 21 gram ammonium persulfate aqueous solutions and the made mix monomer of 40 grams more respectively, the mass ratio of ammonium persulfate aqueous solution and made mix monomer is 21: 40, and the whole reinforced time is 3 hours
In the 5th step, the reinforced back that finishes is in 90 ℃ of insulation reaction 2.0 hours,
The 6th step cooled to 30 ℃, was that 30% sodium hydroxide solution adjusting pH value is 8.0 with mass fraction, and discharging obtains reactive emulsifier phenylpropyl surface sizing agent.
In sum, a kind of reactive emulsifier phenylpropyl surface sizing agent of invention gained is owing to eliminated shortcoming and pollution that small-molecular emulsifier causes, have with paper fibre in conjunction with good and characteristics water-tolerant, thereby improved ring crush intensity and the water repelling property of fluting medium.
Claims (9)
1. reactive emulsifier phenylpropyl surface sizing agent, it is characterized in that: a kind of molecular structure of reactive emulsifier phenylpropyl surface sizing agent is:
Reactive emulsifier phenylpropyl surface sizing agent
Wherein x, y, z, m, n are the integer greater than zero.
2. the preparation method of a reactive emulsifier phenylpropyl surface sizing agent, it is characterized in that: obtain maleic acid polyethylene glycol single-hard ester acid ester by polyethylene glycol, stearic acid and maleic acid anhydride reactant earlier, be initator again with the ammonium persulfate, pass through copolymerization preparation feedback type emulsifier phenylpropyl surface sizing agent by maleic acid polyethylene glycol mono stearate and styrene, acrylic acid octadecanol ester, acrylic acid and methyl acrylate.
3. the preparation method of a kind of reactive emulsifier phenylpropyl surface sizing agent according to claim 2 is characterized in that: specifically may further comprise the steps:
The first step, polyethylene glycol-400 and stearic acid were added in first reactor 85-90 ℃ the time reaction 1.0-2.0 hour, add maleic anhydride again and continued insulation reaction 1.5-2.0 hour, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyethylene glycol-400, hard ester acid and maleic anhydride is 10: 7: 2.5
Second the step, with maleic acid polyethylene glycol mono stearate, styrene, acrylic acid octadecanol ester, acrylic acid and methyl acrylate by 20: 4: 5: 7: 4 mass ratio is mixed and made into mix monomer,
The 3rd step, ammonium persulfate and deionized water are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add deionized water, be warming up to 60-65 ℃, the mass ratio of deionized water and made mix monomer is 124: 40, add ammonium persulfate aqueous solution and made mix monomer more respectively, the mass ratio of ammonium persulfate aqueous solution and made mix monomer is 21: 40, and the whole reinforced time is 2-3 hour
In the 5th step, feeding in raw material finished the back in 80-90 ℃ of insulation reaction 1-2 hour,
The 6th step cooled to 20-30 ℃, was that 30% sodium hydroxide solution adjusting pH value is 6.0-8.0 with mass fraction, and discharging obtains reactive emulsifier phenylpropyl surface sizing agent.
4. according to the preparation method of claim 2 or 3 described a kind of reactive emulsifier phenylpropyl surface sizing agents, it is characterized in that: specifically may further comprise the steps:
The first step, 10 gram polyethylene glycol-400 and 7 gram stearic acid were added in first reactor 85 ℃ the time reaction 1.0 hours, add 2.5 again and went into maleic anhydride continuation insulation reaction 1.5 hours, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyethylene glycol-400, hard ester acid and maleic anhydride is 10: 7: 2.5
In second step, 20 gram maleic acid polyethylene glycol mono stearates, 4 gram styrene, 5 are restrained acrylic acid octadecanol esters, 7 gram acrylic acid and 4 gram methyl acrylates by 20: 4: 5: 7: 4 mass ratio is mixed and made into mix monomer,
The 3rd step, 1 gram ammonium persulfate and 20 gram deionized waters are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add 124 gram deionized waters, be warming up to 60 ℃, the mass ratio of deionized water and made mix monomer is 124: 40, add 21 gram ammonium persulfate aqueous solutions and the made mix monomer of 40 grams more respectively, the mass ratio of ammonium persulfate aqueous solution and made mix monomer is 21: 40, and the whole reinforced time is 2 hours
In the 5th step, the reinforced back that finishes is in 80 ℃ of insulation reaction 1.0 hours,
The 6th step cooled to 20 ℃, was that 30% sodium hydroxide solution adjusting pH value is 6.0 with mass fraction, and discharging obtains reactive emulsifier phenylpropyl surface sizing agent.
5. according to the preparation method of claim 2 or 3 described a kind of reactive emulsifier phenylpropyl surface sizing agents, it is characterized in that: specifically may further comprise the steps:
The first step, 10 gram polyethylene glycol-400 and 7 gram stearic acid were added in first reactor 86 ℃ the time reaction 1.2 hours, add 2.5 again and went into maleic anhydride continuation insulation reaction 1.6 hours, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyethylene glycol-400, hard ester acid and maleic anhydride is 10: 7: 2.5
In second step, 20 gram maleic acid polyethylene glycol mono stearates, 4 gram styrene, 5 are restrained acrylic acid octadecanol esters, 7 gram acrylic acid and 4 gram methyl acrylates by 20: 4: 5: 7: 4 mass ratio is mixed and made into mix monomer,
The 3rd step, 1 gram ammonium persulfate and 20 gram deionized waters are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add 124 gram deionized waters, be warming up to 61 ℃, the mass ratio of deionized water and made mix monomer is 124: 40, add 21 gram ammonium persulfate aqueous solutions and the made mix monomer of 40 grams more respectively, the mass ratio of ammonium persulfate aqueous solution and made mix monomer is 21: 40, and the whole reinforced time is 2.2 hours
In the 5th step, the reinforced back that finishes is in 82 ℃ of insulation reaction 1.2 hours,
The 6th step cooled to 22 ℃, was that 30% sodium hydroxide solution adjusting pH value is 6.4 with mass fraction, and discharging obtains reactive emulsifier phenylpropyl surface sizing agent.
6. according to the preparation method of claim 2 or 3 described a kind of reactive emulsifier phenylpropyl surface sizing agents, it is characterized in that: specifically may further comprise the steps:
The first step, 10 gram polyethylene glycol-400 and 7 gram stearic acid were added in first reactor 87 ℃ the time reaction 1.4 hours, add 2.5 again and went into maleic anhydride continuation insulation reaction 1.7 hours, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyethylene glycol-400, hard ester acid and maleic anhydride is 10: 7: 2.5
In second step, 20 gram maleic acid polyethylene glycol mono stearates, 4 gram styrene, 5 are restrained acrylic acid octadecanol esters, 7 gram acrylic acid and 4 gram methyl acrylates by 20: 4: 5: 7: 4 mass ratio is mixed and made into mix monomer,
The 3rd step, 1 gram ammonium persulfate and 20 gram deionized waters are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add 124 gram deionized waters, be warming up to 62 ℃, the mass ratio of deionized water and made mix monomer is 124: 40, add 21 gram ammonium persulfate aqueous solutions and the made mix monomer of 40 grams more respectively, the mass ratio of ammonium persulfate aqueous solution and made mix monomer is 21: 40, and the whole reinforced time is 2.4 hours
In the 5th step, the reinforced back that finishes is in 84 ℃ of insulation reaction 1.4 hours,
The 6th step cooled to 24 ℃, was that 30% sodium hydroxide solution adjusting pH value is 6.8 with mass fraction, and discharging obtains reactive emulsifier phenylpropyl surface sizing agent.
7. according to the preparation method of claim 2 or 3 described a kind of reactive emulsifier phenylpropyl surface sizing agents, it is characterized in that: specifically may further comprise the steps:
The first step, 10 gram polyethylene glycol-400 and 7 gram stearic acid were added in first reactor 88 ℃ the time reaction 1.6 hours, add 2.5 again and went into maleic anhydride continuation insulation reaction 1.8 hours, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyethylene glycol-400, hard ester acid and maleic anhydride is 10: 7: 2.5
In second step, 20 gram maleic acid polyethylene glycol mono stearates, 4 gram styrene, 5 are restrained acrylic acid octadecanol esters, 7 gram acrylic acid and 4 gram methyl acrylates by 20: 4: 5: 7: 4 mass ratio is mixed and made into mix monomer,
The 3rd step, 1 gram ammonium persulfate and 20 gram deionized waters are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add 124 gram deionized waters, be warming up to 63 ℃, the mass ratio of deionized water and made mix monomer is 124: 40, add 21 gram ammonium persulfate aqueous solutions and the made mix monomer of 40 grams more respectively, the mass ratio of ammonium persulfate aqueous solution and made mix monomer is 21: 40, and the whole reinforced time is 2.6 hours
In the 5th step, the reinforced back that finishes is in 86 ℃ of insulation reaction 1.6 hours,
The 6th step cooled to 26 ℃, was that 30% sodium hydroxide solution adjusting pH value is 7.2 with mass fraction, and discharging obtains reactive emulsifier phenylpropyl surface sizing agent.
8. according to the preparation method of claim 2 or 3 described a kind of reactive emulsifier phenylpropyl surface sizing agents, it is characterized in that: specifically may further comprise the steps:
The first step, 10 gram polyethylene glycol-400 and 7 gram stearic acid were added in first reactor 89 ℃ the time reaction 1.8 hours, add 2.5 again and went into maleic anhydride continuation insulation reaction 1.9 hours, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyethylene glycol-400, hard ester acid and maleic anhydride is 10: 7: 2.5
In second step, 20 gram maleic acid polyethylene glycol mono stearates, 4 gram styrene, 5 are restrained acrylic acid octadecanol esters, 7 gram acrylic acid and 4 gram methyl acrylates by 20: 4: 5: 7: 4 mass ratio is mixed and made into mix monomer,
The 3rd step, 1 gram ammonium persulfate and 20 gram deionized waters are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add 124 gram deionized waters, be warming up to 64 ℃, the mass ratio of deionized water and made mix monomer is 124: 40, add 21 gram ammonium persulfate aqueous solutions and the made mix monomer of 40 grams more respectively, the mass ratio of ammonium persulfate aqueous solution and made mix monomer is 21: 40, and the whole reinforced time is 2.8 hours
In the 5th step, the reinforced back that finishes is in 88 ℃ of insulation reaction 1.8 hours,
The 6th step cooled to 28 ℃, was that 30% sodium hydroxide solution adjusting pH value is 7.6 with mass fraction, and discharging obtains reactive emulsifier phenylpropyl surface sizing agent.
9. according to the preparation method of claim 2 or 3 described a kind of reactive emulsifier phenylpropyl surface sizing agents, it is characterized in that: specifically may further comprise the steps:
The first step, 10 gram polyethylene glycol-400 and 7 gram stearic acid were added in first reactor 90 ℃ the time reaction 2.0 hours, add 2.5 again and went into maleic anhydride continuation insulation reaction 2.0 hours, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyethylene glycol-400, hard ester acid and maleic anhydride is 10: 7: 2.5
In second step, 20 gram maleic acid polyethylene glycol mono stearates, 4 gram styrene, 5 are restrained acrylic acid octadecanol esters, 7 gram acrylic acid and 4 gram methyl acrylates by 20: 4: 5: 7: 4 mass ratio is mixed and made into mix monomer,
The 3rd step, 1 gram ammonium persulfate and 20 gram deionized waters are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add 124 gram deionized waters, be warming up to 65 ℃, the mass ratio of deionized water and made mix monomer is 124: 40, add 21 gram ammonium persulfate aqueous solutions and the made mix monomer of 40 grams more respectively, the mass ratio of ammonium persulfate aqueous solution and made mix monomer is 21: 40, and the whole reinforced time is 3 hours
In the 5th step, the reinforced back that finishes is in 90 ℃ of insulation reaction 2.0 hours,
The 6th step cooled to 30 ℃, was that 30% sodium hydroxide solution adjusting pH value is 8.0 with mass fraction, and discharging obtains reactive emulsifier phenylpropyl surface sizing agent.
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| CN102351987A (en) * | 2011-07-29 | 2012-02-15 | 陕西科技大学 | Reactive emulsifier core shell surface sizing agent and preparation method thereof |
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| CN102391420A (en) * | 2011-07-29 | 2012-03-28 | 陕西科技大学 | Surface sizing agent for printing and writing paper and preparation method thereof |
| CN102391419A (en) * | 2011-07-29 | 2012-03-28 | 陕西科技大学 | Self-crosslinking reactive emulsifier core-shell surface sizing agent and preparation method thereof |
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| CN102304872B (en) * | 2011-07-29 | 2013-05-15 | 陕西科技大学 | Wrapping paper polymer surface sizing agent and preparation method thereof |
| CN102391420B (en) * | 2011-07-29 | 2013-09-11 | 陕西科技大学 | Surface sizing agent for printing and writing paper and preparation method thereof |
| CN113652120A (en) * | 2021-07-06 | 2021-11-16 | 深圳市墨库图文技术有限公司 | Preprinting liquid and printing method of corrugated paper |
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