CN109825181A - A kind of production technology of low VOC polyurethane man coatings - Google Patents
A kind of production technology of low VOC polyurethane man coatings Download PDFInfo
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- CN109825181A CN109825181A CN201811540897.1A CN201811540897A CN109825181A CN 109825181 A CN109825181 A CN 109825181A CN 201811540897 A CN201811540897 A CN 201811540897A CN 109825181 A CN109825181 A CN 109825181A
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Abstract
It is disclosed by the invention to belong to coating material production technical field, specially a kind of production technology of low VOC polyurethane man coatings, this kind of production technology specific steps are as follows: S1) choose raw material；S2 it) pre-processes: acrylic ester-polyurethane resin emulsion and alkyd resin being stirred, active carbon particle, diatomite, glass fibre, deionized water, ethyl alcohol and phenolic resin are stirred mixing, slurries are made, and powder will be made after slurries drying grinding；S3) disperse: hybrid resin and succinic acid diisobutyl ester are dispersed with stirring, mixed serum is made；S4 it) mixes: the powder being ground is added in mixed serum, and titanium dioxide and defoaming agent is added, it is mixed colours and is defoamed, finished product is obtained after being packaged, the generation of the VOC substance in coating is effectively reduced in this programme, the pollution to ambient enviroment is reduced, while indoor air can be adjusted, is easy to use.
Description
Technical field
The present invention relates to coating material production technical field, specially a kind of production technology of low VOC polyurethane man coatings.
Background technique
VOC is the abbreviation of volatile organic compounds, and polyurethane coating, i.e. carbamate coating belong to VOC scope,
It, which is applied, contains a considerable amount of polyurethane ester bonds in membrane molecule, be a kind of function admirable, widely used coating, and production is poly-
The main raw material(s) isocyanates of urethane coating belongs to toxic chemical, volatile, is detrimental to health, and breathing is stimulated after sucking
System causes dry cough, laryngalgia, and headache, bronchitis and asthma will be caused by sucking micro diisocyanate for a long time, serious to lead
It is lethal to die, meanwhile, the organic solvents such as toluene, dimethylbenzene for using in polyurethane coating curing agent are very big to the murder by poisoning of human body, it
The function of human body hemopoietic system can be destroyed, other solvents also have different degrees of toxicity, endanger the health of the mankind, and urgent need finds low
VOC, nontoxic or micro- poison alternative materials and production technology, existing coating, which generally requires film forming is added in process of production, to be helped
Agent, and often contain noxious material in coalescing agent, VOC gas are precipitated after heat boiling, ambient enviroment are polluted, together
When existing polyurethane coating when in use, without the function that active purification absorbs, cause after application, to be merely able to by the external world
Tool purifies indoor air, while coating can not carry out active adjusting according to the dry and wet of room air after application,
It is inconvenient for use, for this purpose, it is proposed that a kind of production technology of low VOC polyurethane man coatings.
Summary of the invention
The purpose of the present invention is to provide a kind of production technologies of low VOC polyurethane man coatings, to solve above-mentioned background
The existing coating proposed in technology generally requires that coalescing agent is added in process of production, and often contains in coalescing agent
Noxious material is precipitated VOC gas after heat boiling, pollutes to ambient enviroment, while existing polyurethane coating is using
When, without the function that active purification absorbs, cause after application, to be merely able to carry out indoor air by extraneous tool net
Change, while coating can not carry out active adjusting, problem inconvenient for use according to the dry and wet of room air after application.
To achieve the above object, the invention provides the following technical scheme: a kind of production work of low VOC polyurethane man coatings
Skill, the production technology of this kind of low VOC polyurethane man coatings specific steps are as follows:
S1) choose raw material: 45-58 parts of acroleic acid polyurethane lotion, 10-25 parts of alkyd resin, 8-14 parts of succinic acid diisobutyl ester,
3-7 parts of defoaming agent, 7-10 parts of ethyl alcohol, 10-18 parts of deionized water, 4-8 parts of phenolic resin, 10-25 parts of active carbon particle, titanium dioxide
15-25 parts, 4-7 parts of diatomite, 2-5 parts of glass fibre；
S2 it) pre-processes: acroleic acid polyurethane lotion and alkyd resin being fed in stirred tank by the feeding inlet of stirred tank, stablized
It is set as 30-45 DEG C, revolving speed is set as 800-1000r/min, obtains hybrid resin after stirring 15-25min, shuts down and stand, will
Active carbon particle and diatomite are placed into vacuum oven respectively, and temperature is set as 45-50 DEG C, and dry 20-35min makes it
Water content is taken out after the completion of dry in 0.4%-0.7%, and glass fibre is cut into the short strip shape that length is 1-3mm, separately takes one
Active carbon particle and diatomite are placed into stirred tank by stirred tank, and ethyl alcohol, deionized water phenolic resin is added, and open stirring
Kettle, temperature are set as 30-50 DEG C, and revolving speed is set as 400-600r/min, shuts down after stirring 6-10min, the glass of well cutting is added
Glass fiber, total power start stirred tank, and temperature is set as 45-55 degrees Celsius, obtain slurries after stirring 10-15min, and will obtain
Slurries be placed into negative pressure drying machine, at 130-160 DEG C of temperature, taken out after dry 40-50min and be thrown to grinder
It is interior, it is ground into powder；
S3) disperse: succinic acid diisobutyl ester is placed into dispersion bucket, and by hybrid resin obtained in step S2) from stirring
It takes out to place in kettle and carry out in dispersion bucket, start dispersion machine, revolving speed is set as 1000-1200r/min, stops after stirring 20-45min
Machine；
S4) mix: the mixture in the dispersion bucket in step S3) is re-poured into stirred tank, and step S2 is added) in grind
It grinds in obtained powder feeding stirred tank, starts stirred tank, temperature is set as 40-45 DEG C, and revolving speed is set as 400-600r/min,
Addition titanium dioxide is shut down after stirring 10-15min, stirred tank temperature is set as 50-60 DEG C at this time, and revolving speed is set as 500-700r/
Min, stirring is white to solution, shuts down again at this time, and defoaming agent, restarting is added, and temperature is set as 45-60 degrees Celsius,
Revolving speed is set as 600-800r/min, and stirring to bubble-free is shut down after being precipitated, and stands and takes out after being cooled to room temperature naturally, is wrapped
Dress, obtains finished product.
Preferably, the glass fiber diameter is selected as 10-15 μm.
Preferably, the step S2) in powder particle size be 60-120nm.
Compared with prior art, the beneficial effects of the present invention are:
1) this programme replaces low-boiling coalescing agent by using high boiling coalescing agent succinic acid diisobutyl ester, can be with
The generation of VOC gas in finished product is effectively reduced, reduces the pollution to ambient enviroment；
2) this programme makes coating have absorption function, to be further reduced coating precipitation by the way that active carbon is added in coating
Pollution of the VOC gas to ambient enviroment, while indoor air can be adjusted, be easy to use by diatom ooze.
Detailed description of the invention
Fig. 1 is production technological process of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution: a kind of production technology of low VOC polyurethane man coatings, it should
The production technology of kind of low VOC polyurethane man coatings specific steps are as follows:
S1) choose raw material: 45-58 parts of acroleic acid polyurethane lotion, 10-25 parts of alkyd resin, 8-14 parts of succinic acid diisobutyl ester,
3-7 parts of defoaming agent, 7-10 parts of ethyl alcohol, 10-18 parts of deionized water, 4-8 parts of phenolic resin, 10-25 parts of active carbon particle, titanium dioxide
15-25 parts, 4-7 parts of diatomite, 2-5 parts of glass fibre；
S2 it) pre-processes: acroleic acid polyurethane lotion and alkyd resin being fed in stirred tank by the feeding inlet of stirred tank, stablized
It is set as 30-45 DEG C, revolving speed is set as 800-1000r/min, obtains hybrid resin after stirring 15-25min, shuts down and stand, will
Active carbon particle and diatomite are placed into vacuum oven respectively, and temperature is set as 45-50 DEG C, and dry 20-35min makes it
Water content is taken out after the completion of dry in 0.4%-0.7%, and glass fibre is cut into the short strip shape that length is 1-3mm, separately takes one
Active carbon particle and diatomite are placed into stirred tank by stirred tank, and ethyl alcohol, deionized water phenolic resin is added, and open stirring
Kettle, temperature are set as 30-50 DEG C, and revolving speed is set as 400-600r/min, shuts down after stirring 6-10min, the glass of well cutting is added
Glass fiber, total power start stirred tank, and temperature is set as 45-55 degrees Celsius, obtain slurries after stirring 10-15min, and will obtain
Slurries be placed into negative pressure drying machine, at 130-160 DEG C of temperature, taken out after dry 40-50min and be thrown to grinder
It is interior, it is ground into powder；
S3) disperse: succinic acid diisobutyl ester is placed into dispersion bucket, and by hybrid resin obtained in step S2) from stirring
It takes out to place in kettle and carry out in dispersion bucket, start dispersion machine, revolving speed is set as 1000-1200r/min, stops after stirring 20-45min
Machine；
S4) mix: the mixture in the dispersion bucket in step S3) is re-poured into stirred tank, and step S2 is added) in grind
It grinds in obtained powder feeding stirred tank, starts stirred tank, temperature is set as 40-45 DEG C, and revolving speed is set as 400-600r/min,
Addition titanium dioxide is shut down after stirring 10-15min, stirred tank temperature is set as 50-60 DEG C at this time, and revolving speed is set as 500-700r/
Min, stirring is white to solution, shuts down again at this time, and defoaming agent, restarting is added, and temperature is set as 45-60 degrees Celsius,
Revolving speed is set as 600-800r/min, and stirring to bubble-free is shut down after being precipitated, and stands and takes out after being cooled to room temperature naturally, is wrapped
Dress, obtains finished product.
Wherein, the glass fiber diameter is selected as 10-15 μm, the step S2) in powder particle size be 60-120nm.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (3)
1. a kind of production technology of low VOC polyurethane man coatings, it is characterised in that: this kind of low VOC polyurethane man coatings
Production technology specific steps are as follows:
S1) choose raw material: 45-58 parts of acroleic acid polyurethane lotion, 10-25 parts of alkyd resin, 8-14 parts of succinic acid diisobutyl ester,
3-7 parts of defoaming agent, 7-10 parts of ethyl alcohol, 10-18 parts of deionized water, 4-8 parts of phenolic resin, 10-25 parts of active carbon particle, titanium dioxide
15-25 parts, 4-7 parts of diatomite, 2-5 parts of glass fibre；
S2 it) pre-processes: acroleic acid polyurethane lotion and alkyd resin being fed in stirred tank by the feeding inlet of stirred tank, stablized
It is set as 30-45 DEG C, revolving speed is set as 800-1000r/min, obtains hybrid resin after stirring 15-25min, shuts down and stand, will
Active carbon particle and diatomite are placed into vacuum oven respectively, and temperature is set as 45-50 DEG C, and dry 20-35min makes it
Water content is taken out after the completion of dry in 0.4%-0.7%, and glass fibre is cut into the short strip shape that length is 1-3mm, separately takes one
Active carbon particle and diatomite are placed into stirred tank by stirred tank, and ethyl alcohol, deionized water phenolic resin is added, and open stirring
Kettle, temperature are set as 30-50 DEG C, and revolving speed is set as 400-600r/min, shuts down after stirring 6-10min, the glass of well cutting is added
Glass fiber, total power start stirred tank, and temperature is set as 45-55 degrees Celsius, obtain slurries after stirring 10-15min, and will obtain
Slurries be placed into negative pressure drying machine, at 130-160 DEG C of temperature, taken out after dry 40-50min and be thrown to grinder
It is interior, it is ground into powder；
S3) disperse: succinic acid diisobutyl ester is placed into dispersion bucket, and by hybrid resin obtained in step S2) from stirring
It takes out to place in kettle and carry out in dispersion bucket, start dispersion machine, revolving speed is set as 1000-1200r/min, stops after stirring 20-45min
Machine；
S4) mix: the mixture in the dispersion bucket in step S3) is re-poured into stirred tank, and step S2 is added) in grind
It grinds in obtained powder feeding stirred tank, starts stirred tank, temperature is set as 40-45 DEG C, and revolving speed is set as 400-600r/min,
Addition titanium dioxide is shut down after stirring 10-15min, stirred tank temperature is set as 50-60 DEG C at this time, and revolving speed is set as 500-700r/
Min, stirring is white to solution, shuts down again at this time, and defoaming agent, restarting is added, and temperature is set as 45-60 degrees Celsius,
Revolving speed is set as 600-800r/min, and stirring to bubble-free is shut down after being precipitated, and stands and takes out after being cooled to room temperature naturally, is wrapped
Dress, obtains finished product.
2. a kind of production technology of low VOC polyurethane man coatings according to claim 1, it is characterised in that: the glass
Glass fibre diameter is 10-15 μm.
3. a kind of production technology of low VOC polyurethane man coatings according to claim 1, it is characterised in that: the step
Rapid S2) in powder particle size be 60-120nm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811540897.1A CN109825181A (en) | 2018-12-17 | 2018-12-17 | A kind of production technology of low VOC polyurethane man coatings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811540897.1A CN109825181A (en) | 2018-12-17 | 2018-12-17 | A kind of production technology of low VOC polyurethane man coatings |
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| CN109825181A true CN109825181A (en) | 2019-05-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113801550A (en) * | 2021-10-12 | 2021-12-17 | 浙江浩博新材料有限公司 | Water-based quick-drying low-VOC alkyd paint |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101104766A (en) * | 2006-07-12 | 2008-01-16 | 上海雅达特种涂料有限公司 | Colorful coating for purifying indoor air and producing method thereof |
| CN101475767A (en) * | 2006-03-31 | 2009-07-08 | 中国科学院过程工程研究所 | Coating for collecting formaldehyde |
| CN105778692A (en) * | 2016-03-17 | 2016-07-20 | 广东嘉宝莉科技材料有限公司 | Matte finishing clear coat and preparation method thereof |
-
2018
- 2018-12-17 CN CN201811540897.1A patent/CN109825181A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475767A (en) * | 2006-03-31 | 2009-07-08 | 中国科学院过程工程研究所 | Coating for collecting formaldehyde |
| CN101104766A (en) * | 2006-07-12 | 2008-01-16 | 上海雅达特种涂料有限公司 | Colorful coating for purifying indoor air and producing method thereof |
| CN105778692A (en) * | 2016-03-17 | 2016-07-20 | 广东嘉宝莉科技材料有限公司 | Matte finishing clear coat and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113801550A (en) * | 2021-10-12 | 2021-12-17 | 浙江浩博新材料有限公司 | Water-based quick-drying low-VOC alkyd paint |
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