CN110105836A - A kind of preparation method except formaldehyde type organic coating - Google Patents
A kind of preparation method except formaldehyde type organic coating Download PDFInfo
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- CN110105836A CN110105836A CN201910413663.9A CN201910413663A CN110105836A CN 110105836 A CN110105836 A CN 110105836A CN 201910413663 A CN201910413663 A CN 201910413663A CN 110105836 A CN110105836 A CN 110105836A
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
- C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
- C08F2/26—Emulsion polymerisation with the aid of emulsifying agents anionic
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- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
- C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
- C08F2/30—Emulsion polymerisation with the aid of emulsifying agents non-ionic
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
- C08F220/28—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/60—Additives non-macromolecular
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
- C08F220/28—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
- C08F220/282—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety and containing two or more oxygen atoms
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- C08L2205/00—Polymer mixtures characterised by other features
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Abstract
The invention belongs to technical field of chemical paint, and in particular to a kind of preparation method except formaldehyde type organic coating；A kind of composition except formaldehyde type organic coating proposed by the present invention includes following substance: furans, 50-80 parts of acetoacetyl butyl methacrylate, 5-10 parts of methanal disintegrant, 10-20 parts of reinforcing agent, 4-8 parts of emulsifier, 40-50 parts of hy-droxybutyl, 3-5 parts of initiator, 1-3 parts of the catalyst, 200-300 parts of distilled water of 40-60 part according to the mass fraction；It is prepared by the present invention to remove formaldehyde type coating; it is to be produced in such a way that water is as solvent; it is the product of overall safety protection; poisonous and hazardous volatile organic substance will not be generated; the coating can effectively absorb simultaneously Decomposition of benzene class and aldehydes organic substance simultaneously, reduce the content of indoor harmful substance.
Description
Technical field
The invention belongs to technical field of chemical paint, and in particular to a kind of preparation method except formaldehyde type organic coating.
Background technique
Except methanal paint is the new indoor finishing material developed newest in recent years, with science and technology and economic hair
Exhibition, the raising of the environmental consciousness and sense of self-protection of people, its level of requirement of the people to interior decoration selection is higher and higher,
And the finishing material that people are favored can be become except the coating of formaldehyde, it can effectively reduce the main dirt of room air
Object is contaminated, finishing is reduced and brings the harm of people's bring.
Chinese patent CN107663412A discloses one kind efficiently except formaldehyde water paint, and raw material is by weight are as follows:
65~75 parts of watersoluble polyurethane acrylic acid rouge, 15~25 parts of Tourmaline mountain flour, 15~20 parts of nanometer bamboo carbon fiber, chitosan 5
~10 parts, 5~10 parts of nano-titania photocatalyst, 2~4 parts of photoinitiator, 0.3~0.6 part of levelling agent, cosolvent 5~10
Part, 0.2~0.5 part of anti-settling agent, 1~1.5 part of defoaming agent, 140~250 parts of water.Producing coating effectively can absorb and decompose
The harmful substances such as stupid, formaldehyde, toluene, dimethylbenzene, reduce content, the safety and environmental protection of indoor harmful substance, and this method preparation removes
Methanal paint, the film-strength that coating is formed is lower, and cementability is weaker；
Chinese patent CN107141984A discloses a kind of coating except formaldehyde, and coating raw material of the invention is by following components
Composition: 40~55 parts of medium oil alkyd, 5~10 parts of Fe3+ doped nano titanium dioxide, 2~5 parts of nano silica,
0~5 part of color pigment, 8~15 parts of butanol, 3~9 parts of magnesium silicate；Coating of the invention under visible light can degradation of formaldehyde, subtract
Light indoor pollution, this method preparation remove methanal paint, and the film-strength that coating is formed is lower, and cementability is weaker, absorbs formaldehyde
Effect is quite weaker.
Therefore, we have invented a kind of preparation method except formaldehyde type organic coating, this materials in order to solve these problems
It can be good at solving issue noted above, reach well except effect of formaldehyde.
Summary of the invention
In order to achieve the purpose that in background technique, the preparation method proposed by the present invention except formaldehyde type organic coating；This hair
Bright preparation removes formaldehyde type coating, is to be produced in such a way that water is as solvent, is that overall safety is protected
Product, will not generate poisonous and hazardous volatile organic substance, at the same the coating can effectively absorb and Decomposition of benzene class and
Aldehydes organic substance reduces the content of indoor harmful substance；Further, since having added reinforcing agent, therefore coating prepared by the present invention
The film-strength of formation is higher, and is gathered using substances such as furans, acetoacetyl butyl methacrylate, hy-droxybutyls
It closes reaction and membrane material is prepared, wherein containing a large amount of lone pair electrons, effectively raise its cementability.
What the present invention realized by the following technical solutions
A kind of preparation method except formaldehyde type organic coating, which is characterized in that described one kind removes formaldehyde type organic coating
Preparation the following steps are included:
(1) preparation of pre-emulsification agent
By temperature of reaction kettle control under the conditions of 20-30 DEG C, by 200-300 parts of distilled water, 3-5 parts of initiator, 4-8
The emulsifier of part is separately added into reaction kettle, opens mechanical agitator, and revolving speed is controlled in 450-600rpm, is stirred 40-60
After minute, then by 40-60 parts of furans, 50-80 parts of acetoacetyl butyl methacrylate, 40-50 parts of acrylic acid hydroxyl
Butyl ester is added in reaction kettle, after carrying out high-speed stirred 10-20 minutes, stops stirring and takes out obtained mixture, be placed in close
The containers for future use of envelope, the substance are exactly pre-emulsification agent；
(2) preparation of formaldehyde type coating is removed
By temperature of reaction kettle control at 75 DEG C, the control of mechanical agitator revolving speed takes the pre- of the middle preparation of step (1) in 300rpm
1/5 and 10-20 parts of reinforcing agent of emulsifier adds in people's reaction kettle, carries out reaction 1-3 hours, 0.5 is added during the reaction
The catalyst of part is directly added into reaction kettle, on the reaction kettle left side when lotion becomes indigo plant, then by 5-10 parts of methanal disintegrant
It is added in constant pressure buret by the 4/5 of the pre-emulsification agent prepared in step (1), is then added dropwise with the speed of 1 second/drop；?
The mixed liquor of 1-3 parts of catalyst and 20 parts of distilled water is added in the buret on the right side of reaction kettle, then with 10 seconds/drop
Speed is added dropwise, and is increased 5 DEG C after being added dropwise completely, then by reaction temperature, is carried out reaction 1-2 hours, stops heating, be cooled to
When room temperature, solution is taken out, is sealed packaging, which is exactly to remove formaldehyde type coating, in use, directly being sprayed i.e.
It can.
Further, the methanal disintegrant is, by mass fraction be 10-20 parts hollow nano titanium dioxide, 1-2 parts
Nanoscale Ba [Pt (CN) 4], 10-15 parts of polyester polyol, 2-3 parts two ethyl cyanides be added reaction kettle in, in 50-60
DEG C, carry out reaction 3-4 hours under the conditions of revolving speed 400rpm after, be cooled to room temperature, obtain powdered substance, which is exactly first
Aldehyde distintegrant.
Further, the reinforcing agent is, by mass fraction be 20-30 parts of polyurethane, 10-15 parts of polystyrene,
The cyclohexanone of 4-5 parts ABS, 30-40 part is added in reaction kettle, is dissolved under the conditions of 30-40 DEG C, revolving speed 300rpm, molten
The mixture of transparence is obtained after solution, which is exactly reinforcing agent.
Further, the emulsifier is, is 4-5 parts of Octoxinol, 1-2 parts of sodium abietate, 3-5 by mass fraction
The oleic acid saponin(e of part, 5-10 parts of water are added in reaction kettle, are mixed in 60-70 DEG C of condition, after mixing, stop adding
Heat, the substance obtained after being cooled to room temperature, the substance are exactly emulsifier.
Further, the initiator is, is 4-7 parts of hydrogen peroxide, 3-5 parts of potassium chromate, 2-5 parts by mass fraction
Chromic acid amine, 10-12 parts distilled water be added reaction kettle in, the substance obtained after mixing under the conditions of 200rpm,
The substance is exactly initiator.
Further, the catalyst is, by mass fraction be 5-8 parts of potassium sulfite and 1-2 parts of sodium hypochlorite into
The substance that row obtains after mixing, which is exactly reducing agent.
Further, in the claim 2, the time that the pre-emulsification agent of preparation is placed no more than 8 hours, needs existing
With now matching.
Beneficial to benefit
1, prepared by the present invention to remove formaldehyde type coating, it is to be produced in such a way that water is as solvent, is
The product of overall safety protection, will not generate poisonous and hazardous volatile organic substance, while the coating can effectively absorb
And Decomposition of benzene class and aldehydes organic substance, reduce the content of indoor harmful substance；
2, prepared by the present invention to remove formaldehyde type coating, due to having added reinforcing agent, what coating prepared by the present invention was formed
Film-strength is higher, and carries out polymerization reaction using substances such as furans, acetoacetyl butyl methacrylate, hy-droxybutyls
Membrane material is prepared, wherein containing a large amount of lone pair electrons, effectively raises its cementability.
Specific embodiment
In order to keep the purpose of the present invention, technical scheme and beneficial effects clearer, below in conjunction with experimental data, to this
The preferred embodiment of invention is described in detail, to facilitate the technical staff to understand.
Embodiment 1
A kind of preparation method except formaldehyde type organic coating, which is characterized in that described one kind removes formaldehyde type organic coating
Preparation the following steps are included:
(1) preparation of pre-emulsification agent
By temperature of reaction kettle control under the conditions of 20-30 DEG C, by 250 parts of distilled water, 5 parts of initiator, 6 parts of emulsification
Agent is separately added into reaction kettle, opens mechanical agitator, and revolving speed is controlled in 450-600rpm, after being stirred 40-60 minutes, then
50 parts of furans, 60 parts of acetoacetyl butyl methacrylate, 50 parts of hy-droxybutyl are added in reaction kettle, into
After row high-speed stirred 10-20 minutes, stops stirring and take out obtained mixture, be placed in the containers for future use of sealing, the object
Matter is exactly pre-emulsification agent；
(2) preparation of formaldehyde type coating is removed
By temperature of reaction kettle control at 75 DEG C, the control of mechanical agitator revolving speed takes the pre- of the middle preparation of step (1) in 300rpm
1/5 and 20 part of reinforcing agent of emulsifier adds in people's reaction kettle, carries out reaction 1-3 hours, and 0.5 part is added during the reaction
Catalyst is directly added into reaction kettle when lotion becomes indigo plant, then by 10 parts of methanal disintegrant, and the constant pressure on the reaction kettle left side is dripped
Determine to be added in pipe by the 4/5 of the pre-emulsification agent prepared in step (1), be then added dropwise with the speed of 1 second/drop；In reaction kettle
Right side buret in be added 1-3 part of catalyst and 20 parts of distilled water mixed liquor, then with 10 seconds/drip speed into
Row is added dropwise, and increases 5 DEG C after being added dropwise completely, then by reaction temperature, carries out reaction 1-2 hours, stops heating, be cooled to room temperature
When, solution is taken out, packaging is sealed, which is exactly to remove formaldehyde type coating, in use, directly being sprayed.
Wherein, the methanal disintegrant is, is 20 parts of hollow nano titanium dioxide, 2 parts of nanometer by mass fraction
Grade Ba [Pt (CN) 4], 15 parts of polyester polyol, 3 parts of two ethyl cyanides are added in reaction kettle, in 50-60 DEG C, revolving speed 400rpm
Under the conditions of carry out reaction 3-4 hours after, be cooled to room temperature, obtain powdered substance, which is exactly methanal disintegrant.
Wherein, the reinforcing agent is, by mass fraction be 30 parts of polyurethane, 15 parts of polystyrene, 5 parts of ABS,
40 parts of cyclohexanone is added in reaction kettle, is dissolved under the conditions of 30-40 DEG C, revolving speed 300rpm, transparence is obtained after dissolution
Mixture, which is exactly reinforcing agent.
Wherein, the emulsifier is, is 5 parts of Octoxinol, 2 parts of sodium abietate, 5 parts of oleic acid by mass fraction
Saponin(e, 5 parts of water are added in reaction kettle, are mixed in 60-70 DEG C of condition, after mixing, stop heating, are cooled to room temperature
The substance obtained afterwards, the substance are exactly emulsifier.
Wherein, the initiator is, is 4 parts of hydrogen peroxide, 5 parts of potassium chromate, 2 parts of chromic acid by mass fraction
Amine, 12 parts of distilled water are added in reaction kettle, the substance obtained after mixing under the conditions of 200rpm, which is exactly
Initiator.
Wherein, the catalyst is to mix mass fraction for 8 parts of potassium sulfite and 1 part of sodium hypochlorite
The substance obtained after uniformly, which is exactly reducing agent.
Wherein, in the claim 2, the time that the pre-emulsification agent of preparation is placed no more than 8 hours, needs current
Now match.
Embodiment 2
A kind of preparation method except formaldehyde type organic coating, which is characterized in that described one kind removes formaldehyde type organic coating
Preparation the following steps are included:
(1) preparation of pre-emulsification agent
By temperature of reaction kettle control under the conditions of 20-30 DEG C, by 300 parts of distilled water, 5 parts of initiator, 8 parts of emulsification
Agent is separately added into reaction kettle, opens mechanical agitator, and revolving speed is controlled in 450-600rpm, after being stirred 40-60 minutes, then
60 parts of furans, 80 parts of acetoacetyl butyl methacrylate, 50 parts of hy-droxybutyl are added in reaction kettle, into
After row high-speed stirred 10-20 minutes, stops stirring and take out obtained mixture, be placed in the containers for future use of sealing, the object
Matter is exactly pre-emulsification agent；
(2) preparation of formaldehyde type coating is removed
By temperature of reaction kettle control at 75 DEG C, the control of mechanical agitator revolving speed takes the pre- of the middle preparation of step (1) in 300rpm
1/5 and 15 part of reinforcing agent of emulsifier adds in people's reaction kettle, carries out reaction 1-3 hours, and 0.5 part is added during the reaction
Catalyst is directly added into reaction kettle when lotion becomes indigo plant, then by 10 parts of methanal disintegrant, and the constant pressure on the reaction kettle left side is dripped
Determine to be added in pipe by the 4/5 of the pre-emulsification agent prepared in step (1), be then added dropwise with the speed of 1 second/drop；In reaction kettle
Right side buret in be added 1-3 part of catalyst and 20 parts of distilled water mixed liquor, then with 10 seconds/drip speed into
Row is added dropwise, and increases 5 DEG C after being added dropwise completely, then by reaction temperature, carries out reaction 1-2 hours, stops heating, be cooled to room temperature
When, solution is taken out, packaging is sealed, which is exactly to remove formaldehyde type coating, in use, directly being sprayed.
Wherein, the methanal disintegrant is, is 20 parts of hollow nano titanium dioxide, 2 parts of nanometer by mass fraction
Grade Ba [Pt (CN) 4], 15 parts of polyester polyol, 3 parts of two ethyl cyanides are added in reaction kettle, in 50-60 DEG C, revolving speed 400rpm
Under the conditions of carry out reaction 3-4 hours after, be cooled to room temperature, obtain powdered substance, which is exactly methanal disintegrant.
Wherein, the reinforcing agent is, by mass fraction be 30 parts of polyurethane, 15 parts of polystyrene, 5 parts of ABS,
40 parts of cyclohexanone is added in reaction kettle, is dissolved under the conditions of 30-40 DEG C, revolving speed 300rpm, transparence is obtained after dissolution
Mixture, which is exactly reinforcing agent.
Wherein, the emulsifier is, is 5 parts of Octoxinol, 2 parts of sodium abietate, 5 parts of oleic acid by mass fraction
Saponin(e, 5 parts of water are added in reaction kettle, are mixed in 60-70 DEG C of condition, after mixing, stop heating, are cooled to room temperature
The substance obtained afterwards, the substance are exactly emulsifier.
Wherein, the initiator is, is 4 parts of hydrogen peroxide, 5 parts of potassium chromate, 2 parts of chromic acid by mass fraction
Amine, 12 parts of distilled water are added in reaction kettle, the substance obtained after mixing under the conditions of 200rpm, which is exactly
Initiator.
Wherein, the catalyst is to mix mass fraction for 8 parts of potassium sulfite and 1 part of sodium hypochlorite
The substance obtained after uniformly, which is exactly reducing agent.
Wherein, in the claim 2, the time that the pre-emulsification agent of preparation is placed no more than 8 hours, needs current
Now match.
Embodiment 3
A kind of preparation method except formaldehyde type organic coating, which is characterized in that described one kind removes formaldehyde type organic coating
Preparation the following steps are included:
(1) preparation of pre-emulsification agent
By temperature of reaction kettle control under the conditions of 20-30 DEG C, by 250 parts of distilled water, 5 parts of initiator, 4 parts of emulsification
Agent is separately added into reaction kettle, opens mechanical agitator, and revolving speed is controlled in 450-600rpm, after being stirred 40-60 minutes, then
60 parts of furans, 50 parts of acetoacetyl butyl methacrylate, 50 parts of hy-droxybutyl are added in reaction kettle, into
After row high-speed stirred 10-20 minutes, stops stirring and take out obtained mixture, be placed in the containers for future use of sealing, the object
Matter is exactly pre-emulsification agent；
(2) preparation of formaldehyde type coating is removed
By temperature of reaction kettle control at 75 DEG C, the control of mechanical agitator revolving speed takes the pre- of the middle preparation of step (1) in 300rpm
1/5 and 20 part of reinforcing agent of emulsifier adds in people's reaction kettle, carries out reaction 1-3 hours, and 0.5 part is added during the reaction
Catalyst is directly added into reaction kettle when lotion becomes indigo plant, then by 10 parts of methanal disintegrant, and the constant pressure on the reaction kettle left side is dripped
Determine to be added in pipe by the 4/5 of the pre-emulsification agent prepared in step (1), be then added dropwise with the speed of 1 second/drop；In reaction kettle
Right side buret in be added 1 part of catalyst and 20 parts of distilled water mixed liquor, then with 10 seconds/drop speed carry out
It is added dropwise, increases 5 DEG C after being added dropwise completely, then by reaction temperature, carry out reaction 1-2 hours, stop heating, when being cooled to room temperature,
Solution is taken out, packaging is sealed, which is exactly to remove formaldehyde type coating, in use, directly being sprayed.
Wherein, the methanal disintegrant is, is 20 parts of hollow nano titanium dioxide, 2 parts of nanometer by mass fraction
Grade Ba [Pt (CN) 4], 15 parts of polyester polyol, 3 parts of two ethyl cyanides are added in reaction kettle, in 50-60 DEG C, revolving speed 400rpm
Under the conditions of carry out reaction 3-4 hours after, be cooled to room temperature, obtain powdered substance, which is exactly methanal disintegrant.
Wherein, the reinforcing agent is, by mass fraction be 30 parts of polyurethane, 15 parts of polystyrene, 5 parts of ABS,
40 parts of cyclohexanone is added in reaction kettle, is dissolved under the conditions of 30-40 DEG C, revolving speed 300rpm, transparence is obtained after dissolution
Mixture, which is exactly reinforcing agent.
Wherein, the emulsifier is, is 5 parts of Octoxinol, 2 parts of sodium abietate, 5 parts of oleic acid by mass fraction
Saponin(e, 5 parts of water are added in reaction kettle, are mixed in 60-70 DEG C of condition, after mixing, stop heating, are cooled to room temperature
The substance obtained afterwards, the substance are exactly emulsifier.
Wherein, the initiator is, is 4 parts of hydrogen peroxide, 5 parts of potassium chromate, 2 parts of chromic acid by mass fraction
Amine, 12 parts of distilled water are added in reaction kettle, the substance obtained after mixing under the conditions of 200rpm, which is exactly
Initiator.
Wherein, the catalyst is to mix mass fraction for 8 parts of potassium sulfite and 1 part of sodium hypochlorite
The substance obtained after uniformly, which is exactly reducing agent.
Wherein, in the claim 2, the time that the pre-emulsification agent of preparation is placed no more than 8 hours, needs current
Now match.
Embodiment 4
A kind of preparation method except formaldehyde type organic coating, which is characterized in that described one kind removes formaldehyde type organic coating
Preparation the following steps are included:
(1) preparation of pre-emulsification agent
By temperature of reaction kettle control under the conditions of 20-30 DEG C, by 300 parts of distilled water, 5 parts of initiator, 8 parts of emulsification
Agent is separately added into reaction kettle, opens mechanical agitator, and revolving speed is controlled in 450-600rpm, after being stirred 40-60 minutes, then
40 parts of furans, 80 parts of acetoacetyl butyl methacrylate, 40 parts of hy-droxybutyl are added in reaction kettle, into
After row high-speed stirred 10-20 minutes, stops stirring and take out obtained mixture, be placed in the containers for future use of sealing, the object
Matter is exactly pre-emulsification agent；
(2) preparation of formaldehyde type coating is removed
By temperature of reaction kettle control at 75 DEG C, the control of mechanical agitator revolving speed takes the pre- of the middle preparation of step (1) in 300rpm
1/5 and 20 part of reinforcing agent of emulsifier adds in people's reaction kettle, carries out reaction 1-3 hours, and 0.5 part is added during the reaction
Catalyst is directly added into reaction kettle, the constant pressure on the reaction kettle left side when lotion becomes indigo plant, then by 5-10 parts of methanal disintegrant
It is added in buret by the 4/5 of the pre-emulsification agent prepared in step (1), is then added dropwise with the speed of 1 second/drop；It is reacting
In the buret on the right side of kettle be added 3 parts of catalyst and 20 parts of distilled water mixed liquor, then with 10 seconds/drop speed into
Row is added dropwise, and increases 5 DEG C after being added dropwise completely, then by reaction temperature, carries out reaction 1-2 hours, stops heating, be cooled to room temperature
When, solution is taken out, packaging is sealed, which is exactly to remove formaldehyde type coating, in use, directly being sprayed.
Wherein, the methanal disintegrant is, is 20 parts of hollow nano titanium dioxide, 2 parts of nanometer by mass fraction
Grade Ba [Pt (CN) 4], 15 parts of polyester polyol, 3 parts of two ethyl cyanides are added in reaction kettle, in 50-60 DEG C, revolving speed 400rpm
Under the conditions of carry out reaction 3-4 hours after, be cooled to room temperature, obtain powdered substance, which is exactly methanal disintegrant.
Wherein, the reinforcing agent is, by mass fraction be 30 parts of polyurethane, 15 parts of polystyrene, 5 parts of ABS,
40 parts of cyclohexanone is added in reaction kettle, is dissolved under the conditions of 30-40 DEG C, revolving speed 300rpm, transparence is obtained after dissolution
Mixture, which is exactly reinforcing agent.
Wherein, the emulsifier is, is 5 parts of Octoxinol, 2 parts of sodium abietate, 5 parts of oleic acid by mass fraction
Saponin(e, 5 parts of water are added in reaction kettle, are mixed in 60-70 DEG C of condition, after mixing, stop heating, are cooled to room temperature
The substance obtained afterwards, the substance are exactly emulsifier.
Wherein, the initiator is, is 4 parts of hydrogen peroxide, 5 parts of potassium chromate, 2 parts of chromic acid by mass fraction
Amine, 12 parts of distilled water are added in reaction kettle, the substance obtained after mixing under the conditions of 200rpm, which is exactly
Initiator.
Wherein, the catalyst is to mix mass fraction for 8 parts of potassium sulfite and 1 part of sodium hypochlorite
The substance obtained after uniformly, which is exactly reducing agent.
Wherein, in the claim 2, the time that the pre-emulsification agent of preparation is placed no more than 8 hours, needs current
Now match.
Experimental analysis:
1, except effect of formaldehyde is tested
The methanal paint that removes that embodiment 1-4 and market are bought is applied to respectively in the chest of size, a period of time
Afterwards, content of formaldehyde in chest is tested, contrast groups are not spray the chest of any coating just to measure air in chest after measured
Middle content of formaldehyde, result are as follows.
By upper table we can be found that the invention preparation except methanal paint can it is effectively remove air in formaldehyde,
And its effect is got well than the similar product effect that market is sold.
2, VOC content detects
According to international standard ISO 4618/1-1998, products of the present invention VOC content is detected, is detected
The result is as follows:
Substance prepared by the present invention does not contain the production that poisonous and hazardous VOC is overall safety environmental protection as can be seen from the above table
Product will not generate adverse effect to human body.
Finally, it is stated that preferred embodiment above is only used to illustrate the technical scheme of the present invention rather than limits, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from defined by claims of the present invention.
Claims (8)
1. a kind of preparation method except formaldehyde type organic coating, which is characterized in that a kind of composition packet except formaldehyde type organic coating
Include following substance: the furans of 40-60 part, 50-80 parts of acetoacetyl butyl methacrylate, 5-10 according to the mass fraction
Part methanal disintegrant, 10-20 parts of reinforcing agent, 4-8 parts of emulsifier, 40-50 parts of hy-droxybutyl, 3-5 parts draw
Send out agent, 1-3 parts of catalyst, 200-300 parts of distilled water.
2. a kind of preparation method except formaldehyde type organic coating according to claim 1, which is characterized in that described one kind
Except formaldehyde type organic coating preparation the following steps are included:
(1) preparation of pre-emulsification agent
By temperature of reaction kettle control under the conditions of 20-30 DEG C, by 200-300 parts of distilled water, 3-5 parts of initiator, 4-8 parts
Emulsifier is separately added into reaction kettle, opens mechanical agitator, and revolving speed is controlled in 450-600rpm, is stirred 40-60 minutes
Afterwards, then by 40-60 parts of furans, 50-80 parts of acetoacetyl butyl methacrylate, 40-50 parts of hy-droxybutyl
It is added in reaction kettle, after carrying out high-speed stirred 10-20 minutes, stops stirring and take out obtained mixture, be placed in sealing
Containers for future use, the substance are exactly pre-emulsification agent；
(2) preparation of formaldehyde type coating is removed
By temperature of reaction kettle control at 75 DEG C, the control of mechanical agitator revolving speed takes the pre-emulsification prepared in step (1) in 300rpm
1/5 and 10-20 parts of reinforcing agent of agent adds in people's reaction kettle, carries out reaction 1-3 hours, and 0.5 part is added during the reaction
Catalyst is directly added into reaction kettle, the constant pressure on the reaction kettle left side when lotion becomes indigo plant, then by 5-10 parts of methanal disintegrant
It is added in buret by the 4/5 of the pre-emulsification agent prepared in step (1), is then added dropwise with the speed of 1 second/drop；It is reacting
The mixed liquor of 1-3 parts of catalyst and 20 parts of distilled water is added in the buret on the right side of kettle, then with the speed of 10 seconds/drop
It is added dropwise, increases 5 DEG C after being added dropwise completely, then by reaction temperature, carry out reaction 1-2 hours, stop heating, be cooled to room temperature
When, solution is taken out, packaging is sealed, which is exactly to remove formaldehyde type coating, in use, directly being sprayed.
3. a kind of preparation method except formaldehyde type organic coating according to claim 1, which is characterized in that the formaldehyde
Distintegrant is, is 10-20 parts of hollow nano titanium dioxide, 1-2 parts of nanoscale Ba [Pt (CN) 4], 10-15 by mass fraction
The polyester polyol of part, 2-3 parts of two ethyl cyanides are added in reaction kettle, are reacted under the conditions of 50-60 DEG C, revolving speed 400rpm
It after 3-4 hours, is cooled to room temperature, obtains powdered substance, which is exactly methanal disintegrant.
4. a kind of preparation method except formaldehyde type organic coating according to claim 1, which is characterized in that the enhancing
Agent is, by mass fraction be 20-30 parts of polyurethane, 10-15 parts of polystyrene, 4-5 parts ABS, 30-40 part cyclohexanone
It is added in reaction kettle, is dissolved under the conditions of 30-40 DEG C, revolving speed 300rpm, the mixture of transparence is obtained after dissolution, the object
Matter is exactly reinforcing agent.
5. a kind of preparation method except formaldehyde type organic coating according to claim 1, which is characterized in that the emulsification
Agent is that by mass fraction be 4-5 parts of Octoxinol, 1-2 parts of sodium abietate, 3-5 parts of oleic acid saponin(e, 5-10 parts of water add
Enter in reaction kettle, mixed in 60-70 DEG C of condition, after mixing, stops heating, the substance obtained after being cooled to room temperature,
The substance is exactly emulsifier.
6. a kind of preparation method except formaldehyde type organic coating according to claim 1, which is characterized in that the initiation
Agent is, is 4-7 parts of hydrogen peroxide, 3-5 parts of potassium chromate, 2-5 parts of chromic acid amine, 10-12 parts of distilled water by mass fraction
It is added in reaction kettle, the substance obtained after mixing under the conditions of 200rpm, the substance is exactly initiator.
7. a kind of preparation method except formaldehyde type organic coating according to claim 1, which is characterized in that the catalysis
Agent is, is the substance that 5-8 parts of potassium sulfite and 1-2 parts of sodium hypochlorite are obtained after mixing by mass fraction, should
Substance is exactly reducing agent.
8. a kind of preparation method except formaldehyde type organic coating according to claim 1, which is characterized in that the right
It is required that the time that the pre-emulsification agent of preparation is placed no more than 8 hours, needs matching while using in 2.
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| CN201910413663.9A CN110105836A (en) | 2019-05-17 | 2019-05-17 | A kind of preparation method except formaldehyde type organic coating |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910413663.9A CN110105836A (en) | 2019-05-17 | 2019-05-17 | A kind of preparation method except formaldehyde type organic coating |
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|---|---|---|---|---|
| JPS5222085A (en) * | 1975-08-08 | 1977-02-19 | Hoechst Ag | Preparation of systhetic resin dispersion |
| CN103396717A (en) * | 2013-07-25 | 2013-11-20 | 佛山市三水灏诚合成树脂有限公司 | Wallpaper water-based paint, preparation method thereof and wallpaper |
| CN109575178A (en) * | 2018-10-20 | 2019-04-05 | 佛山市顺德区蓝德堡实业有限公司 | A kind of preparation method of anti-formaldehyde acrylic acid ester emulsion |
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2019
- 2019-05-17 CN CN201910413663.9A patent/CN110105836A/en not_active Withdrawn
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|---|---|---|---|---|
| JPS5222085A (en) * | 1975-08-08 | 1977-02-19 | Hoechst Ag | Preparation of systhetic resin dispersion |
| CN103396717A (en) * | 2013-07-25 | 2013-11-20 | 佛山市三水灏诚合成树脂有限公司 | Wallpaper water-based paint, preparation method thereof and wallpaper |
| CN109575178A (en) * | 2018-10-20 | 2019-04-05 | 佛山市顺德区蓝德堡实业有限公司 | A kind of preparation method of anti-formaldehyde acrylic acid ester emulsion |
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Application publication date: 20190809 |