CN105255298B - A kind of true mineral varnish emulsion of vinegar phenylpropyl alcohol and preparation method - Google Patents

A kind of true mineral varnish emulsion of vinegar phenylpropyl alcohol and preparation method Download PDF

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CN105255298B
CN105255298B CN201510668184.3A CN201510668184A CN105255298B CN 105255298 B CN105255298 B CN 105255298B CN 201510668184 A CN201510668184 A CN 201510668184A CN 105255298 B CN105255298 B CN 105255298B
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parts
emulsion
vinegar
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initiator
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CN105255298A (en
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梁健津
龚博文
罗云
罗宇
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BADEFU INDUSTRY Co Ltd FOSHAN CITY SHUNDE DISTRICT
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BADEFU INDUSTRY Co Ltd FOSHAN CITY SHUNDE DISTRICT
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Abstract

Present invention relates particularly to be a kind of true mineral varnish emulsion of vinegar phenylpropyl alcohol and preparation method, each component content groups turn into:18 to 23 parts of styrene;26 to 30 parts of vinyl acetate;28 to 32 parts of butyl acrylate;14 to 21 parts of alkyl methacrylate;1.8 to 2.7 parts of alkyl acrylate;2 to 6 parts of function monomer;2 to 6 parts of crosslinking agent;Initiator:0.3 to 1.5 part;Mixed emulsifier:3 to 7 parts;Deionized water consumption:100 to 140 parts, present invention has the advantages that:The excellent anti-yellowing property of vinyl acetate can effectively improve the color inhibition effect of styrene-acrylic emulsion, play with low cost, water-tolerant, hardness of paint film is good, anti-yellowing property is good, water-whitening resistance is good and performance stably the characteristics of.

Description

A kind of true mineral varnish emulsion of vinegar phenylpropyl alcohol and preparation method
Technical field
The present invention relates to a kind of emulsion additive for making an addition to true mineral varnish for building, specifically a kind of true mineral varnish breast of vinegar phenylpropyl alcohol Liquid and preparation method.
Background technology
In recent years, International Crude Oil is constantly risen, and the monomer price of emulsion production is constantly raised, particularly styrene Price fluctuation it is indefinite, price remains high always, cause styrene-acrylic emulsion production cost annoying always building emulsion production Business, emulsion manufacturer carries out reducing cost always from field in addition to the monomer, but the amplitude of cost reduction is less, and Also expend substantial amounts of scientific research strength and go research.
Also one major reason:Styrene-acrylic emulsion is under ultraviolet irradiation, and the phenyl ring in styrene-acrylic emulsion is cracked, and is split The phenyl ring of solution reverts back original form and aspect-yellow, here it is the sulphur being commonly called as becomes.Emulsion sulphur, which becomes, is easily caused true mineral varnish color hair Huang, has a strong impact on the outward appearance of paint.Although the sulphur for just starting paint becomes DeGrain, paint passes through long-term ultraviolet light, Sulphur becomes increasingly severe, and influence people are to the perception of architectural appearance, and the true mineral varnish that styrene-acrylic emulsion is made easily produces bad feelings Thread.
The monomer price of vinyl acetate is floated less always in recent years, and the price of vinyl acetate is far below styrene, Vinyl acetate can replace the styrene of a part within the specific limits, so as to substantially reduce phenylpropyl alcohol with styrene copolymerization The production cost of emulsion.Vinyl acetate is cracked unlike styrene under ultraviolet irradiation, produces metachromasia, The excellent anti-yellowing property of vinyl acetate can effectively improve the color inhibition effect of styrene-acrylic emulsion.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art there is provided a kind of low cost, hardness of paint film is good, resistance to Aqueous, anti-yellowing property is good, and water-whitening resistance is good and makes paint the performance stable true mineral varnish emulsion of vinegar phenylpropyl alcohol and preparation method.
A kind of true mineral varnish emulsion of vinegar phenylpropyl alcohol of present invention description, wherein each component content groups turn into:
18 to 23 parts of styrene;
26 to 30 parts of vinyl acetate;
28 to 32 parts of butyl acrylate;
14 to 21 parts of alkyl methacrylate;
1.8 to 2.7 parts of alkyl acrylate;
2 to 6 parts of function monomer;
2 to 6 parts of crosslinking agent;
Initiator:0.3 to 1.5 part;
Mixed emulsifier:3 to 7 parts;
Deionized water consumption:100 to 140 parts.
Specific further, the mixed emulsifier is nonionic emulsifier and anion emulsifier, nonionic emulsifier With the mass ratio 2 to 6 of anion emulsifier:0.5 to 3.
Specific further, the nonionic emulsifier is NPE, and anion emulsifier is dodecyl Benzene sulfonic acid sodium salt.
Specific further, the alkyl acrylate is butyl acrylate or acrylic acid-2-ethyl caproite or acrylic acid.
Specific further, the alkyl methacrylate is methyl methacrylate or methacrylic acid -2- hydroxyl second Ester.
Specific further, the function monomer is vinyltrimethoxy silane A-171, γ-methacryloxy third Any one or two therein of base trimethoxy silane A-174, VTES A-151 are mixed;It is described Crosslinking agent is trimethylol-propane trimethacrylate;The initiator is ammonium persulfate or sodium peroxydisulfate.
The present invention also describes a kind of preparation method of the true mineral varnish emulsion of vinegar phenylpropyl alcohol, comprises the following steps:
First, prepared by bed material liquid A:
To in agitator, condenser, the polymeric kettle of constant flow pump feeding device, add 30 to 45 parts of deionized water, mix 1 to 3 part of mould assembly emulsifying agent, it is warming up to temperature in the kettle and reaches 76 to 80 DEG C;
2nd, prepared by pre-emulsion B:
At normal temperatures and pressures to in monomer measuring tank, the pre-emulsification tank of agitator add 35 to 55 parts of deionized water, 2 to 6 parts of 2 to 4 parts of mixed emulsifier, 26 to 30 parts of vinylacetate, 28 to 32 parts of butyl acrylate and function monomer, stirring Be mixed into uniform pre-emulsion, and stir 10 to 30 minutes it is standby;
3rd, prepared by pre-emulsion C:
At normal temperatures and pressures to in monomer measuring tank, the pre-emulsification tank of agitator add 25 to 35 parts of deionized water, 0.5 to 3 part of mixed emulsifier, 18 to 23 parts of styrene, 1.8 to 2.7 parts of alkyl acrylate, alkyl methacrylate 14 Uniform pre-emulsion is mixed into, and is stirred 10 to 30 minutes to 21 parts, 2 to 6 parts of crosslinking agent, 0.5 to 0.9 part of stirring of initiator It is standby;
4th, prepared by initiator solution D:
At normal temperatures and pressures to agitator, constant current be added dropwise metering device initiator tank in add deionized water 10 to 14 parts, 0.2 to 0.6 part of initiator is stirred standby to being completely dissolved;
When polymerization temperature in the kettle reaches 76 to 80 DEG C, the 1.0 to 10.0% of pre-emulsion B total amounts is added into polymeric kettle With the 5% to 20% of initiator solution D total amounts, after waiting 10 to 30 minutes, pass through constant flow pump feeding device and metering is added dropwise in constant current Remaining pre-emulsion B and initiator solution D is added dropwise in device into polymeric kettle simultaneously, and time for adding was controlled at 90 to 130 minutes, And finish initiator solution D additions in 5 to 15 minutes more late than pre-emulsion B;Pre-emulsion B and initiator solution D is added dropwise to be added dropwise After finishing, 1 to 2 hour is incubated, polymerization temperature in the kettle is risen to 80 to 83 DEG C, pre-emulsion C is added dropwise, time for adding is controlled 90 To 150 minutes.
After pre-emulsion C completion of dropping, polymerization temperature in the kettle is risen to 84 to 86 DEG C, starts insulation 1 to 3 hour, then Polymeric kettle temperature normal temperature is down to less than 50 DEG C, and adjusted pH value to 7 to 9 with ammoniacal liquor, is stirred 20 to 40 minutes, filtering and discharging Obtain finished product.
In the preparation process of the above-mentioned true mineral varnish emulsion of vinegar phenylpropyl alcohol, bed material liquid A, pre-emulsion B, pre-emulsion C, initiator are molten Liquid D preparation is without strict sequencing.
The beneficial effects of the invention are as follows:The excellent anti-yellowing property of vinyl acetate can effectively improve the resistance to Huang of styrene-acrylic emulsion Become effect, play with low cost, hardness of paint film is good, and water resistance, anti-yellowing property are good, water-whitening resistance and the stable spy of performance Point.
Embodiment
A kind of true mineral varnish emulsion of vinegar phenylpropyl alcohol and preparation method according to embodiments of the present invention is described below.
A kind of true mineral varnish emulsion of vinegar phenylpropyl alcohol of present invention description, wherein each component content groups turn into:
18 to 23 parts of styrene;
26 to 30 parts of vinyl acetate;
28 to 32 parts of butyl acrylate;
14 to 21 parts of alkyl methacrylate;
1.8 to 2.7 parts of alkyl acrylate;
2 to 6 parts of function monomer;
2 to 6 parts of crosslinking agent;
Initiator:0.3 to 1.5 part;
Mixed emulsifier:3 to 7 parts;
Deionized water consumption:100 to 140 parts.
Specific further, the mixed emulsifier is nonionic emulsifier and anion emulsifier, nonionic emulsifier With the mass ratio 2 to 6 of anion emulsifier:0.5 to 3.
Specific further, the nonionic emulsifier is NPE, and anion emulsifier is dodecyl Benzene sulfonic acid sodium salt.
Specific further, the alkyl acrylate is butyl acrylate or acrylic acid-2-ethyl caproite or acrylic acid.
Specific further, the alkyl methacrylate is methyl methacrylate or methacrylic acid -2- hydroxyl second Ester.
Specific further, the function monomer is vinyltrimethoxy silane A-171, γ-methacryloxy third Any one or two therein of base trimethoxy silane A-174, VTES A-151 are mixed;It is described Crosslinking agent is trimethylol-propane trimethacrylate;The initiator is ammonium persulfate or sodium peroxydisulfate.
Wherein the excellent anti-yellowing property of vinyl acetate can effectively improve the color inhibition effect of styrene-acrylic emulsion, and playing has Low cost, hardness of paint film is good, and water resistance, anti-yellowing property are good, the characteristics of water-whitening resistance is good and performance is stable.
The present invention also describes a kind of preparation method of the true mineral varnish emulsion of vinegar phenylpropyl alcohol, comprises the following steps:
First, prepared by bed material liquid A:
To in agitator, condenser, the polymeric kettle of constant flow pump feeding device, add 30 to 45 parts of deionized water, mix 1 to 3 part of mould assembly emulsifying agent, it is warming up to temperature in the kettle and reaches 76 to 80 DEG C;
2nd, prepared by pre-emulsion B:
At normal temperatures and pressures to in monomer measuring tank, the pre-emulsification tank of agitator add 35 to 55 parts of deionized water, 2 to 6 parts of 2 to 4 parts of mixed emulsifier, 26 to 30 parts of vinylacetate, 28 to 32 parts of butyl acrylate and function monomer, stirring Be mixed into uniform pre-emulsion, and stir 10 to 30 minutes it is standby;
3rd, prepared by pre-emulsion C:
At normal temperatures and pressures to in monomer measuring tank, the pre-emulsification tank of agitator add 25 to 35 parts of deionized water, 0.5 to 3 part of mixed emulsifier, 18 to 23 parts of styrene, 1.8 to 2.7 parts of alkyl acrylate, alkyl methacrylate 14 Uniform pre-emulsion is mixed into, and is stirred 10 to 30 minutes to 21 parts, 2 to 6 parts of crosslinking agent, 0.5 to 0.9 part of stirring of initiator It is standby;
4th, prepared by initiator solution D:
At normal temperatures and pressures to agitator, constant current be added dropwise metering device initiator tank in add deionized water 10 to 14 parts, 0.2 to 0.6 part of initiator is stirred standby to being completely dissolved;
When polymerization temperature in the kettle reaches 76 to 80 DEG C, the 1.0 to 10.0% of pre-emulsion B total amounts is added into polymeric kettle With the 5% to 20% of initiator solution D total amounts, after waiting 10 to 30 minutes, pass through constant flow pump feeding device and metering is added dropwise in constant current Remaining pre-emulsion B and initiator solution D is added dropwise in device into polymeric kettle simultaneously, and time for adding was controlled at 90 to 130 minutes, And finish initiator solution D additions in 5 to 15 minutes more late than pre-emulsion B;Pre-emulsion B and initiator solution D is added dropwise to be added dropwise After finishing, 1 to 2 hour is incubated, polymerization temperature in the kettle is risen to 80 to 83 DEG C, pre-emulsion C is added dropwise, time for adding is controlled 90 To 150 minutes.
After pre-emulsion C completion of dropping, polymerization temperature in the kettle is risen to 84 to 86 DEG C, starts insulation 1 to 3 hour, then Polymeric kettle temperature normal temperature is down to less than 50 DEG C, and adjusted pH value to 7 to 9 with ammoniacal liquor, is stirred 20 to 40 minutes, filtering and discharging Obtain finished product.
In the preparation process of the above-mentioned true mineral varnish emulsion of vinegar phenylpropyl alcohol, bed material liquid A, pre-emulsion B, pre-emulsion C, initiator are molten Liquid D preparation is without strict sequencing.
A kind of true mineral varnish emulsion of vinegar phenylpropyl alcohol and preparation method are described to the present invention further specifically by following examples It is bright:
Embodiment one:
Its preparation method comprises the following steps:
A. bed material liquid preparing device A:To in agitator, condenser, the polymeric kettle of constant flow pump feeding device, addition go from Sub- 35 parts of water, 1.2 parts of mixed emulsifier, it is warming up to temperature in the kettle and reaches 76 DEG C;
B. pre-emulsion preparing device B:At normal temperatures and pressures to addition in monomer measuring tank, the pre-emulsification tank of agitator 3 parts of 45 parts of deionized water, 2.5 parts of mixed emulsifier, 27 parts of vinylacetate, 30 parts of butyl acrylate and function monomer add up to 107.5 parts, stirring is mixed into uniform pre-emulsion, and stir 20 minutes it is standby;
C. pre-emulsion preparing device C:At normal temperatures and pressures to addition in monomer measuring tank, the pre-emulsification tank of agitator 25 parts of deionized water, 1 part of mixed emulsifier, 24 parts of styrene, 3.5 parts of alkyl acrylate, alkyl methacrylate 16 Part and 4 parts of crosslinking agent it is total 73.5 parts, the stirring of initiator 0.5 is mixed into uniform pre-emulsion, and stir 10 to 30 minutes it is standby With;
D. initiator solution preparing device D:At normal temperatures and pressures to the initiator that metering device is added dropwise with agitator, constant current 10 parts of deionized water is added in tank, 0.5 part of initiator is stirred standby to being completely dissolved;
E. when polymerization temperature in the kettle reaches 76 to 80 DEG C, the 3% of pre-emulsion B total amounts, initiator solution are added into kettle The 10% of D total amounts, after 30 minutes, metering device is added dropwise by constant flow pump feeding device and constant current, and into polymeric kettle, dropwise addition is surplus simultaneously Remaining pre-emulsion B and initiator solution D, time for adding was controlled at 90 minutes, and made initiator solution D more late than pre-emulsion B Addition in 10 minutes is finished;It is added dropwise after pre-emulsion B and initiator solution D completion of dropping, is incubated 1 hour, temperature in the kettle will be polymerize 80 to 83 DEG C are risen to, pre-emulsion C is added dropwise, time for adding was controlled at 100 minutes.
F. after pre-emulsion C completion of dropping, polymerization temperature in the kettle is risen to 84 to 86 DEG C, starts insulation 1 hour, then will Polymeric kettle temperature normal temperature is down to less than 50 DEG C, and is adjusted pH to 7 to 9 with ammoniacal liquor, stirs 20 to 40 minutes, filtering and discharging, i.e., Obtain a kind of true mineral varnish emulsion of vinegar phenylpropyl alcohol.
g:In the preparation process of the above-mentioned true mineral varnish emulsion of vinegar phenylpropyl alcohol, bed material liquid A, pre-emulsion B, pre-emulsion C, initiator The preparation of solution D is without strict sequencing.
Embodiment two
A. bed material liquid preparing device A:To in agitator, condenser, the polymeric kettle of constant flow pump feeding device, addition go from Sub- 38 parts of water, 3 parts of mixed emulsifier, it is warming up to temperature in the kettle and reaches 76 DEG C;
B. pre-emulsion preparing device B:At normal temperatures and pressures to addition in monomer measuring tank, the pre-emulsification tank of agitator 3 parts of 50 parts of deionized water, 3.5 parts of mixed emulsifier, 26 parts of vinylacetate, 32 parts of butyl acrylate and function monomer add up to 85.5 parts, stirring is mixed into uniform pre-emulsion, and stir 20 minutes it is standby;
C. pre-emulsion preparing device C:At normal temperatures and pressures to addition in monomer measuring tank, the pre-emulsification tank of agitator 32 parts of deionized water, 2.5 parts of mixed emulsifier, 18 parts of styrene, 2 parts of alkyl acrylate, alkyl methacrylate 14 Part and 2 parts of crosslinking agent it is total 70.5 parts, the stirring of initiator 0.5 is mixed into uniform pre-emulsion, and stir 20 minutes it is standby;
D. initiator solution preparing device D:At normal temperatures and pressures to the initiator that metering device is added dropwise with agitator, constant current 10 parts of deionized water is added in tank, 0.2 part of initiator is stirred standby to being completely dissolved;
E. when polymerization temperature in the kettle reaches 76 to 80 DEG C, the 5% of pre-emulsion B total amounts, initiator solution are added into kettle The 7% of D total amounts, after 30 minutes, is added dropwise metering device by constant flow pump feeding device and constant current and residue is added dropwise into polymeric kettle simultaneously Pre-emulsion B and initiator solution D, time for adding controlled at 100 minutes, and makes initiator solution D more late than pre-emulsion B 10 Minute adds and finished;It is added dropwise after pre-emulsion B and initiator solution D completion of dropping, is incubated 1 hour, temperature in the kettle liter will be polymerize To 80 to 83 DEG C, pre-emulsion C is added dropwise, time for adding was controlled at 120 minutes.
F. after pre-emulsion C completion of dropping, polymerization temperature in the kettle is risen to 84 to 86 DEG C, starts insulation 1 hour, then will Polymeric kettle temperature normal temperature is down to less than 50 DEG C, and is adjusted pH value to 7 to 9 with ammoniacal liquor, stirs 20 minutes, filtering and discharging is produced To a kind of true mineral varnish emulsion of vinegar phenylpropyl alcohol.
g:In the preparation process of the above-mentioned true mineral varnish emulsion of vinegar phenylpropyl alcohol, bed material liquid A, pre-emulsion B, pre-emulsion C, initiator The preparation of solution D is without strict sequencing.
Embodiment three:
A. bed material liquid preparing device A:To in agitator, condenser, the polymeric kettle of constant flow pump feeding device, addition go from Sub- 43 parts of water, 1.8 parts of mixed emulsifier, it is warming up to temperature in the kettle and reaches 76 to 80 DEG C;
B. pre-emulsion preparing device B:At normal temperatures and pressures to addition in monomer measuring tank, the pre-emulsification tank of agitator 43 parts of deionized water, 3.5 parts of mixed emulsifier, 26.6 parts of vinylacetate, 29.5 parts of butyl acrylate and function monomer 2.4 Parts total 105 parts, stirring is mixed into uniform pre-emulsion, and stir 20 minutes it is standby;
C. pre-emulsion preparing device C:At normal temperatures and pressures to addition in monomer measuring tank, the pre-emulsification tank of agitator 25 parts of deionized water, 2.6 parts of mixed emulsifier, 20 parts of styrene, 2.6 parts of alkyl acrylate, alkyl methacrylate 14 parts and 2 parts of crosslinking agent it is total 61.3 to 90.7 parts, 0.6 part of stirring of initiator is mixed into uniform pre-emulsion, and stirs 10 It is standby to 30 minutes;
D. initiator solution preparing device D:At normal temperatures and pressures to the initiator that metering device is added dropwise with agitator, constant current 10 parts of deionized water is added in tank, 0.4 part of initiator is stirred standby to being completely dissolved;
E. when polymerization temperature in the kettle reaches 76 to 80 DEG C, the 5% of pre-emulsion B total amounts, initiator solution are added into kettle The 20% of D total amounts, after 30 minutes, metering device is added dropwise by constant flow pump feeding device and constant current, and into polymeric kettle, dropwise addition is surplus simultaneously Remaining pre-emulsion B and initiator solution D, time for adding was controlled at 120 minutes, and made initiator solution D more late than pre-emulsion B Addition in 10 minutes is finished;It is added dropwise after pre-emulsion B and initiator solution D completion of dropping, is incubated 1 hour, temperature in the kettle will be polymerize 80 to 83 DEG C are risen to, pre-emulsion C is added dropwise, time for adding was controlled at 150 minutes.
F. after pre-emulsion C completion of dropping, polymerization temperature in the kettle is risen to 84 to 86 DEG C, starts insulation 1 hour, then will Polymeric kettle temperature normal temperature is down to less than 50 DEG C, and is adjusted pH value to 7 to 9 with ammoniacal liquor, stirs 20 minutes, filtering and discharging is produced To a kind of true mineral varnish emulsion of vinegar phenylpropyl alcohol.
g:In the preparation process of the above-mentioned true mineral varnish emulsion of vinegar phenylpropyl alcohol, bed material liquid A, pre-emulsion B, pre-emulsion C, initiator The preparation of solution D is without strict sequencing.
Example IV
A. bed material liquid preparing device A:To in agitator, condenser, the polymeric kettle of constant flow pump feeding device, addition go from Sub- 45 parts of water, 2.3 parts of mixed emulsifier, it is warming up to temperature in the kettle and reaches 76 to 80 DEG C;
B. pre-emulsion preparing device B:At normal temperatures and pressures to addition in monomer measuring tank, the pre-emulsification tank of agitator 6 parts of 36 parts of deionized water, 3.7 parts of mixed emulsifier, 27 parts of vinylacetate, 27 parts of butyl acrylate and function monomer add up to 99.7 parts, stirring is mixed into uniform pre-emulsion, and stir 20 minutes it is standby;
C. pre-emulsion preparing device C:At normal temperatures and pressures to addition in monomer measuring tank, the pre-emulsification tank of agitator 35 parts of deionized water, 2 parts of mixed emulsifier, 18 parts of styrene, 1.8 parts of alkyl acrylate, alkyl methacrylate 14 Part and 3 parts of crosslinking agent it is total 73.8 parts, the stirring of initiator 0.8 is mixed into uniform pre-emulsion, and stir 20 minutes it is standby;
D. initiator solution preparing device D:At normal temperatures and pressures to the initiator that metering device is added dropwise with agitator, constant current 14 parts of deionized water is added in tank, 0.4 part of initiator is stirred standby to being completely dissolved;
E. when polymerization temperature in the kettle reaches 76 to 80 DEG C, the 5% of pre-emulsion B total amounts, initiator solution are added into kettle The 20% of D total amounts, after 30 minutes, metering device is added dropwise by constant flow pump feeding device and constant current, and into polymeric kettle, dropwise addition is surplus simultaneously Remaining pre-emulsion B and initiator solution D, time for adding was controlled at 120 minutes, and made initiator solution D more late than pre-emulsion B Addition in 10 minutes is finished;It is added dropwise after pre-emulsion B and initiator solution D completion of dropping, is incubated 1 hour, temperature in the kettle will be polymerize 80 to 83 DEG C are risen to, pre-emulsion C is added dropwise, time for adding was controlled at 120 minutes.
F. after pre-emulsion C completion of dropping, polymerization temperature in the kettle is risen to 84 to 86 DEG C, starts insulation 1 hour, then will Polymeric kettle temperature normal temperature is down to less than 50 DEG C, and is adjusted pH value to 7 to 9 with ammoniacal liquor, stirs 20 minutes, filtering and discharging is produced To a kind of true mineral varnish emulsion of vinegar phenylpropyl alcohol.
g:In the preparation process of the above-mentioned true mineral varnish emulsion of vinegar phenylpropyl alcohol, bed material liquid A, pre-emulsion B, pre-emulsion C, initiator The preparation of solution D is without strict sequencing.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and Any modification, equivalent substitution or improvement for being made within principle etc., should be included in the scope of the protection.

Claims (5)

1. a kind of true mineral varnish emulsion of vinegar phenylpropyl alcohol, it is characterised in that:Each component content groups turn into:
18 to 23 parts of styrene;
26 to 30 parts of vinyl acetate;
28 to 32 parts of butyl acrylate;
14 to 21 parts of alkyl methacrylate;
1.8 to 2.7 parts of alkyl acrylate;
2 to 6 parts of function monomer;
2 to 6 parts of crosslinking agent;
Initiator:0.3 to 1.5 part;
Mixed emulsifier:3 to 7 parts;
Deionized water consumption:100 to 140 parts;
The alkyl acrylate is acrylic acid-2-ethyl caproite;
The preparation method of the true mineral varnish emulsion of vinegar phenylpropyl alcohol, comprises the following steps:
First, prepared by bed material liquid A:
To in agitator, condenser, the polymeric kettle of constant flow pump feeding device, 30 to 45 parts of deionized water, mixed type are added 1 to 3 part of emulsifying agent, it is warming up to temperature in the kettle and reaches 76 to 80 DEG C;
2nd, prepared by pre-emulsion B:
At normal temperatures and pressures to 35 to 55 parts of deionized water of addition, mixing in monomer measuring tank, the pre-emulsification tank of agitator 2 to 6 parts of 2 to 4 parts of type emulsifying agent, 26 to 30 parts of vinyl acetate, 28 to 32 parts of butyl acrylate and function monomer, stirring is mixed into Uniform pre-emulsion, and stir 10 to 30 minutes it is standby;
3rd, prepared by pre-emulsion C:
At normal temperatures and pressures to 25 to 35 parts of deionized water of addition, mixing in monomer measuring tank, the pre-emulsification tank of agitator 0.5 to 3 part of type emulsifying agent, 18 to 23 parts of styrene, 1.8 to 2.7 parts of alkyl acrylate, alkyl methacrylate 14 to 21 Part, 2 to 6 parts of crosslinking agent, the stirring of 0.5 to 0.9 part of initiator are mixed into uniform pre-emulsion, and stir 10 to 30 minutes it is standby With;
4th, prepared by initiator solution D:
Addition deionized water 10 to 14 in the initiator tank of metering device is added dropwise to agitator, constant current at normal temperatures and pressures Part, 0.2 to 0.6 part of initiator is stirred standby to being completely dissolved;
When polymerization temperature in the kettle reaches 76 to 80 DEG C, the 1.0 to 10.0% of pre-emulsion B total amounts are added into polymeric kettle and are drawn The 5% to 20% of agent solution D total amounts is sent out, after waiting 10 to 30 minutes, metering device is added dropwise by constant flow pump feeding device and constant current Remaining pre-emulsion B and initiator solution D is added dropwise into polymeric kettle simultaneously, time for adding was controlled at 90 to 130 minutes, and was made Initiator solution D is added and finished for 5 to 15 minutes more late than pre-emulsion B;Pre-emulsion B and initiator solution D completion of dropping is added dropwise Afterwards, be incubated 1 to 2 hour, polymerization temperature in the kettle risen to 80 to 83 DEG C, be added dropwise pre-emulsion C, time for adding control 90 to 150 minutes;
After pre-emulsion C completion of dropping, polymerization temperature in the kettle is risen to 84 to 86 DEG C, starts insulation 1 to 3 hour, then will be poly- Close kettle temperature degree normal temperature and be down to less than 50 DEG C, and adjusted pH value to 7 to 9 with ammoniacal liquor, stir 20 to 40 minutes, filtering and discharging is produced To finished product;
In the preparation process of the above-mentioned true mineral varnish emulsion of vinegar phenylpropyl alcohol, bed material liquid A, pre-emulsion B, pre-emulsion C, initiator solution D Preparation without strict sequencing.
2. the true mineral varnish emulsion of a kind of vinegar phenylpropyl alcohol according to claim 1, it is characterised in that:The mixed emulsifier is non- The mass ratio 2 to 6 of ionic emulsifying agent and anion emulsifier, nonionic emulsifier and anion emulsifier:0.5 to 3.
3. the true mineral varnish emulsion of a kind of vinegar phenylpropyl alcohol according to claim 2, it is characterised in that:The nonionic emulsifier is nonyl Base phenol polyethenoxy ether, anion emulsifier is neopelex.
4. the true mineral varnish emulsion of a kind of vinegar phenylpropyl alcohol according to claim 1, it is characterised in that:The alkyl methacrylate It is methyl methacrylate or methacrylic acid -2- hydroxy methacrylates.
5. the true mineral varnish emulsion of a kind of vinegar phenylpropyl alcohol according to claim 1, it is characterised in that:The function monomer is vinyl Trimethoxy silane A-171, γ-methacryloxypropyl trimethoxy silane A-174, VTES A- 151 any one or two therein are mixed;The crosslinking agent is trimethylol-propane trimethacrylate;It is described to draw It is ammonium persulfate or sodium peroxydisulfate to send out agent.
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