CN107513349A - A kind of wood coating composition and its production technology - Google Patents
A kind of wood coating composition and its production technology Download PDFInfo
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- CN107513349A CN107513349A CN201710163949.7A CN201710163949A CN107513349A CN 107513349 A CN107513349 A CN 107513349A CN 201710163949 A CN201710163949 A CN 201710163949A CN 107513349 A CN107513349 A CN 107513349A
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- parts
- coating composition
- wood coating
- well mixed
- methyl polysiloxane
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
- C09D183/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The present invention relates to a kind of wood coating composition, and in terms of parts by weight, its raw material includes：30 40 parts of low molecule amount trifluompropyl methyl polysiloxane；30 40 parts of HMW trifluompropyl methyl polysiloxane；15 20 parts of polyvinyl alcohol；1 1.5 parts of quaternary ammonium salt cationic fluorocarbon surfactant；70 80 parts of water；10 15 parts of ethanol；1 1.5 parts of camphorquinone；1 1.5 parts of propylene glycol mono-oleate；1 1.5 parts of aqueous microbiocidal.The present invention is intended to provide a kind of wood coating composition for being used to protect timber, it can effectively ensure that film does not change colour.
Description
Technical field
The present invention relates to technical field of coatings, and in particular, it is related to a kind of wood coating composition and its production work
Skill.
Background technology
Timber is one of current industrial or agricultural, national defence, civilian main natural material, has easy to process, natural beauty
Many advantages, such as decorative pattern, gloss and color and be widely used in the occasions such as furniture.But natural timber is due to aqueous, bacterium, wood
Quality etc. makes it slowly to rot to change colour after processing, moisture expansion and drying shrinkage, and then strain cracking, while bacterium and mould erosion cause wood
Material is mouldy, rotten, and the natural beautiful color and luster of timber in the sun can aging, flavescence, blackening rapidly.
Existing application publication number is that CN105209511A patent document discloses a kind of wood coating composition, although should
There is wood coating preparation the water repellency of improvement to maintain coating property, such as transparency and hardness simultaneously, but its film holds
It is easy to change.
The content of the invention
The purpose of the present invention one is to provide a kind of wood coating composition, and it can effectively ensure that film does not become
Color.
The present invention above-mentioned purpose technical scheme is that：
A kind of wood coating composition, in terms of parts by weight, its raw material includes：Low molecule amount trifluompropyl methyl polysiloxane
30-40 parts；HMW trifluompropyl methyl polysiloxane 30-40 parts；Polyvinyl alcohol 15-20 parts；Quaternary ammonium salt cationic fluorine carbon
Surfactant 1-1.5 parts；Water 70-80 parts；Ethanol 10-15 parts；Camphorquinone 1-1.5 parts；Propylene glycol mono-oleate 1-1.5 parts；
Aqueous microbiocidal 1-1.5 parts.
The present invention is further arranged to：The viscosity of the low molecule amount trifluompropyl methyl polysiloxane is 30,000 cP.
The present invention is further arranged to：The viscosity of the HMW trifluompropyl methyl polysiloxane is 100,000 cP.
The present invention is further arranged to：The low molecule amount trifluompropyl methyl polysiloxane and the high-molecular-weight poly three
The weight ratio of fluoropropyl methylsiloxane is 1:1.
The present invention is further arranged to：The degree of polymerization of the polyvinyl alcohol is 950.
The present invention is further arranged to：The aqueous microbiocidal is FF-2 anticorrosion and bactericidal agents.
FF-2 anticorrosion and bactericidal agents are a kind of broad-spectrum high-efficiency and low-toxicity industrial antisepsis bactericide, and its Main Ingredients and Appearance is nitrogenous, sulphur
Cyclic organic compounds, without any heavy metal, product is acidity in itself, in the range of PH≤8, can effectively be gone out except various
Microorganism, such as bacterium, fungi, saccharomycete etc., and, dosage few, bactericidal range wide the advantages that low with toxicity, easily with coating, oil
Paint, resin emulsion and other similar materials are miscible, and the quality of paint film is had no adverse effect, does not change other rationality of material system
Index, it can effectively resist the breeding of mushroom.
The purpose of the present invention two is to provide a kind of wood coating composition, and it can effectively ensure that film does not become
Color.
A kind of production technology of wood coating composition as described above, comprises the following steps：
Step 1：By formula ratio, polyethylene alcohol and water is mixed, 95 DEG C is warming up to, is completely dissolved it, is down to room temperature, is added
Low molecule amount trifluompropyl methyl polysiloxane, it is well mixed；
Step 2：By formula ratio, ethanol and quaternary ammonium salt cationic fluorocarbon surfactant are added to high-molecular-weight poly trifluoropropyl
In methyl siloxane, it is well mixed；
By step 3：The mixture of step 2 is added in the mixture of step 1, be well mixed, then add camphorquinone,
Propylene glycol mono-oleate and aqueous microbiocidal, it is well mixed.
The present invention is further arranged to：First quaternary ammonium salt cationic fluorocarbon surfactant and ethanol are mixed in step 2
After even, it is then added in HMW trifluompropyl methyl polysiloxane, is well mixed.
In summary, the invention has the advantages that：The poly- trifluoro propyl methyl silicon of low molecule amount that the present invention uses
Oxygen alkane and HMW trifluompropyl methyl polysiloxane can influence each other each other, improve wood coating combination of the present invention jointly
The combination property (water resistance, alcohol resistance, transparency, pencil hardness, resistance to yellowing) of thing, wood coating combination especially of the present invention
Thing it is resistance to yellowing.
Embodiment
The present invention is described in further detail with reference to embodiments.
Involved all substances are commercially available in the embodiment of the present invention, wherein, the poly- trifluoro propyl methyl silicon of low molecule amount
Oxygen alkane and HMW trifluompropyl methyl polysiloxane are purchased from Zhejiang Huanxin Fluorine Material Co., Ltd., quaternary ammonium salt cationic
Fluorocarbon surfactant is purchased from Hubei Chu Shengwei Chemical Co., Ltd.s, and FF-2 anticorrosion and bactericidal agents are clear crystal-clear fine purchased from Henan Gongyi City
Chemical plant.
The embodiment 1-5 of table one composition table (unit：Kg)
Embodiment 1-5 wood coating composition is prepared by technique is produced by below.
Step 1：By formula ratio, polyethylene alcohol and water is mixed, 95 DEG C is warming up to, is completely dissolved it, be down to room temperature,
Low molecule amount trifluompropyl methyl polysiloxane is added, is well mixed；
Step 2：By formula ratio, after being first well mixed quaternary ammonium salt cationic fluorocarbon surfactant and ethanol, it is then added to
In HMW trifluompropyl methyl polysiloxane, it is well mixed.
Step 3：The mixture of step 2 is added in the mixture of step 1, is well mixed, then adds camphor
Quinone, propylene glycol mono-oleate and aqueous microbiocidal, it is well mixed.
Embodiment 6：The component and content all same of embodiment 6 and embodiment 3, simply two the production technology the step of in
Quaternary ammonium salt cationic fluorocarbon surfactant is first added in HMW trifluompropyl methyl polysiloxane to be well mixed, it is rear to add
Ethanol is well mixed.
Embodiment 7：The component and content all same of embodiment 7 and embodiment 3, simply two the production technology the step of in
First add ethanol in HMW trifluompropyl methyl polysiloxane to be well mixed, the rear quaternary ammonium salt cationic fluorocarbon surface that adds is lived
Property agent is well mixed.
Comparative example 1：The poly- trifluoro propyl of low molecule amount for not being both to be, only adding 70Kg of comparative example 1 and embodiment 3
Methylsiloxane, HMW trifluompropyl methyl polysiloxane is not added.
Comparative example 2：The high-molecular-weight poly trifluoro propyl for not being both to be, only adding 70Kg of comparative example 2 and embodiment 3
Methylsiloxane, low molecule amount trifluompropyl methyl polysiloxane is not added.
Performance test is carried out for embodiment 1 to 7 and comparative example 1-2 wood coating composition, method of testing is as follows：
First, water resistance
Panel is prepared by brushing three coatings on each type of timber with 80-90g/m2.After first coating, by face
Plate stands four hours under room temperature (RT), then with sand paper frosted.After the 3rd coating, panel is set to dry at ambient temperature
4 hours, then dried 48 hours at 50 DEG C in an oven, then carry out water resistance test.Filtered with test water saturation collar plate shape
Paper, place it on finished panel and close the lid to reduce evaporation.After 24 hours, lid is removed.Wiped with wet facial tissue
Test zone, it is dried at room temperature for it, so as to observe destructiveness.Rating scale about scale I-V is listed below, wherein
I is worst, and V is optimal.
I：It is strong to change.Surface texture substantially changes and/or discoloration, glossiness and color change, and/or surfacing is complete
Fully or partially it is removed, and/or filter paper adheres to surface.
II：Significantly change.Test zone can substantially be distinguished with adjacent peripheral region, all direction of observations it is seen, for example,
Discoloration, glossiness and color change, and/or surface texture slightly change, such as swelling, fiber lifting, cracking, foaming.
III：Moderate changes.Test zone can be distinguished with adjacent peripheral region, some direction of observations it is seen, for example, discoloration,
Glossiness and color change, surface texture is without change, such as swelling, fiber lifting, cracking, foaming.
IV：It is slight to change.Only when light source is in reflection on test surfaces and the eye reflections towards observer, test section
Domain can just be distinguished with adjacent peripheral region, such as discoloration, glossiness and color change, and surface texture is without change, such as swelling, fibre
Dimension lifting.
V：Without change.Test zone and adjacent peripheral region undistinguishable.
2nd, alcohol resistance
By on each type of timber with 80-90g/m2Brush three coatings and prepare panel.After first coating, make face
Plate stands four hours at room temperature, then with sand paper frosted.After the 3rd coating, panel is set to dry 4 at ambient temperature small
When, then dried 48 hours at 50 DEG C in an oven, then carry out water resistance test.With test with 48% alcohol saturation filter disc,
Place it on finished panel and close the lid to reduce evaporation.After 1 hour, lid is removed.With wet facial tissue rubbing test
Region, it is dried at room temperature for it, so as to observe destructiveness.Rating scale about scale I-V is listed below, and wherein I is
Worst, and V is optimal.
I：It is strong to change.Surface texture substantially changes and/or discoloration, glossiness and color change, and/or surfacing is complete
Fully or partially it is removed, and/or filter paper adheres to surface.
II：Significantly change.Test zone can substantially be distinguished with adjacent peripheral region, all direction of observations it is seen, for example,
Discoloration, glossiness and color change, and/or surface texture slightly change, such as swelling, fiber lifting, cracking, foaming.
III：Moderate changes.Test zone can be distinguished with adjacent peripheral region, some direction of observations it is seen, for example, discoloration,
Glossiness and color change, surface texture is without change, such as swelling, fiber lifting, cracking, foaming.
IV：It is slight to change.Only when light source is in reflection on test surfaces and the eye reflections towards observer, test section
Domain can just be distinguished with adjacent peripheral region, such as discoloration, glossiness and color change, and surface texture is without change, such as swelling, fibre
Dimension lifting.
V：Without change.Test zone and adjacent peripheral region undistinguishable.
3rd, transparency
Applied with the dual nephelometers of Byk haze-gard (available from Bi Ke-Gardner company BYK-Gardner GmbH) to assess
Expect the transparency of film.Paint film is prepared on a glass by the wet film of 120 μ m-thicks with blade coating medicine applying apparatus and is dried at 50 DEG C
Case solidifies 48 hours.The dual nephelometer counter plates of Byk haze-gard are tested and provide two parameters：Transmissivity and turbid
Degree.The transparency of paint film is calculated based on below equation：Transparency=transmissivity * (1- turbidity).Transparency less than 20 is
It is unacceptable.
4th, pencil hardness
ASTM D3363-05 (2011) the e2 standard method of test on film hardness tested using pencil.With blade coating medicine applying apparatus
Paint film is prepared on a glass by the wet film of 120 μ m-thicks and is solidified 48 hours in 50 DEG C of baking ovens.With one group of Mitsubishi
(Mitsubishi) calibrated Wood pencil tests pencil hardness on glass panels.The calibrated Wood pencil of this group of Mitsubishi meets
Following hardness scale(degree)：6H, 5H, 4H, 3H, 2H, H, F, HB, B, 2B, 3B, 4B, 5B, 6B, wherein 6H are most hard, and 6B is most
Soft.About 5 are carefully removed to 6mm timber from the tip of Wood pencil using draftsman's types of mechanical pencil sharpener, leave original state
, unmarked, smooth graphite core cylinder.Pencil and the angle that sand paper is in 90 degree are kept, abuts against Sandpapering graphite
Core, 90 degree of accurate angle is maintained, untill obtaining flat, smooth and circular cross-section.The edge in the section is without wood chip
Or indentation.Coated panel is placed on horizontal firm horizontal surface.The glass-hard Mitsubishi's pencil of apparatus starts
Test, and continue downwards along hardness scale(degree), untill pencil can not be cut or dig into paint film.The pencil passes through
Machinery mount is firmly held relative to paint film in 45 degree of angles (back to operator) and pusheding away from operator.It is recommended that draw back and forth
The length of line is 6.5mm.Can not cut or dig into paint film in the pencil hardness of paint film is recorded as most hard pencil.
5th, it is resistance to yellowing
With blade coating medicine applying apparatus paint film is prepared on a glass and 168 hours under UV light irradiations by the wet film of 120 μ m-thicks,
Contrast yellowing degree.Yellowing degree scale：I, II, III, IV, V, wherein I are most yellow, and V is least yellow.
The performance test results of embodiment 1-7 wood coating compositions are shown in Table two.
The performance test results of the embodiment 1-7 wood coating compositions of table two
| Test event | Water resistance | Alcohol resistance | Transparency | Pencil hardness | It is resistance to yellowing |
| Embodiment 1 | III | III | 40 | 3H | IV |
| Embodiment 2 | IV | IV | 45 | 3H | V |
| Embodiment 3 | IV | IV | 47 | 3H | V |
| Embodiment 4 | IV | IV | 47 | 3H | V |
| Embodiment 5 | III | III | 40 | 3H | IV |
| Embodiment 6 | II | II | 35 | B | III |
| Embodiment 7 | II | II | 27 | B | III |
| Comparative example 1 | III | III | 28 | B | II |
| Comparative example 2 | III | III | 29 | B | II |
By the experimental data in analytical table two, embodiment 6 and 7 is general embodiments, and embodiment 1 and 5 is preferred embodiment, real
It is optimum embodiment to apply example 2,3 and 4.
The production method of Examples 1 and 2 wood coating composition is identical, the only poly- trifluoro propyl methyl of low molecule amount in both
Siloxanes is different with HMW trifluompropyl methyl polysiloxane component ratio.However, the wood coating composition of embodiment 2
Performance is better than the performance of the wood coating composition of embodiment 1.Therefore, it can be deduced that the poly- trifluoro propyl methyl silica of low molecule amount
The weight ratio of alkane and the HMW trifluompropyl methyl polysiloxane is 1:When 1, wood coating of the present invention can be significantly improved
The performance of composition.
Meanwhile embodiment 4 is identical with the production method of 5 wood coating compositions, the only poly- trifluoropropyl of low molecule amount in both
Methyl siloxane is different with HMW trifluompropyl methyl polysiloxane component ratio.However, the wood coating group of embodiment 4
The performance of compound is better than the performance of the wood coating composition of embodiment 5.Accordingly it is also possible to draw the poly- trifluoro propyl of low molecule amount
The weight ratio of methylsiloxane and the HMW trifluompropyl methyl polysiloxane is 1:When 1, the present invention can be significantly improved
The performance of wood coating composition.
Embodiment 2,3 is identical with the production method of 4 wood coating compositions, except the poly- trifluoro of component low molecule amount in three
The content of propylmethylsiloxane and component HMW trifluompropyl methyl polysiloxane is identical outer, and the content of other components is not
Together, but embodiment 2,3 and the performance of 4 wood coating compositions are roughly the same.Therefore, removed in wood coating composition of the present invention
Other components outside low molecule amount trifluompropyl methyl polysiloxane and HMW trifluompropyl methyl polysiloxane
Content is little to the performance impact of the present invention.
The raw material and its content all same of embodiment 3,6 and 7 wood coating compositions, but three is in production craft step
Quaternary ammonium salt cationic fluorocarbon surfactant and ethanol is added in HMW trifluompropyl methyl polysiloxane in two
Order is different, and, the experimental performance of embodiment 3,6 and 7 wood coating compositions has significant difference.Therefore can draw, in life
Quaternary ammonium salt cationic fluorocarbon surfactant and ethanol is added to high-molecular-weight poly trifluoro propyl methyl in production. art step 2
Order in siloxanes can significantly affect the performance of wood coating composition of the present invention.
Knowable to comparative example 3 and comparative example 1-2 experimental data, the combination property of the wood coating composition of embodiment 3
It is substantially better than the combination property of comparative example 1-2 wood coating compositions.This is due to the poly- trifluoro propyl methyl silicon of low molecule amount
Oxygen alkane and HMW trifluompropyl methyl polysiloxane can influence each other each other, improve wood coating combination of the present invention jointly
The combination property of thing.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the right of invention by Patent Law.
Claims (8)
1. a kind of wood coating composition, it is characterised in that in terms of parts by weight, its raw material includes：
Low molecule amount trifluompropyl methyl polysiloxane 30-40 parts；
HMW trifluompropyl methyl polysiloxane 30-40 parts；
Polyvinyl alcohol 15-20 parts；
Quaternary ammonium salt cationic fluorocarbon surfactant 1-1.5 parts；
Water 70-80 parts；
Ethanol 10-15 parts；
Camphorquinone 1-1.5 parts；
Propylene glycol mono-oleate 1-1.5 parts；
Aqueous microbiocidal 1-1.5 parts.
2. wood coating composition according to claim 1, it is characterised in that the poly- trifluoro propyl methyl of low molecule amount
The viscosity of siloxanes is 30,000 cP.
3. wood coating composition according to claim 1, it is characterised in that the high-molecular-weight poly trifluoro propyl methyl
The viscosity of siloxanes is 100,000 cP.
4. wood coating composition according to claim 1, it is characterised in that the first poly- trifluoro propyl methyl silica
The weight ratio of alkane and second trifluompropyl methyl polysiloxane is 1:1.
5. wood coating composition according to claim 1, it is characterised in that the degree of polymerization of the polyvinyl alcohol is 950.
6. wood coating composition according to claim 1, it is characterised in that the aqueous microbiocidal is that FF-2 anti-corrosions are killed
Microbial inoculum.
A kind of 7. production technology of wood coating composition as described in any one in claim 1 to 6, it is characterised in that
Comprise the following steps：
Step 1：By formula ratio, polyethylene alcohol and water is mixed, 95 DEG C is warming up to, is completely dissolved it, is down to room temperature, is added
Low molecule amount trifluompropyl methyl polysiloxane, it is well mixed；
Step 2：By formula ratio, ethanol and quaternary ammonium salt cationic fluorocarbon surfactant are added to high-molecular-weight poly trifluoropropyl
In methyl siloxane, it is well mixed；
Step 3：The mixture of step 2 is added in the mixture of step 1, is well mixed, then adds camphorquinone, third
Glycol monooleate and aqueous microbiocidal, it is well mixed.
8. the production technology of wood coating composition according to claim 7, it is characterised in that first by quaternary ammonium in step 2
After salt cation fluorocarbon surfactant and ethanol are well mixed, HMW trifluompropyl methyl polysiloxane is then added to
In, it is well mixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710163949.7A CN107513349B (en) | 2017-03-20 | 2017-03-20 | A kind of wood coating composition and its production technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710163949.7A CN107513349B (en) | 2017-03-20 | 2017-03-20 | A kind of wood coating composition and its production technology |
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| CN107513349A true CN107513349A (en) | 2017-12-26 |
| CN107513349B CN107513349B (en) | 2019-08-06 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106433455A (en) * | 2016-09-15 | 2017-02-22 | 武汉中新化工有限公司 | Low-surface-energy coating and preparation method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106433455A (en) * | 2016-09-15 | 2017-02-22 | 武汉中新化工有限公司 | Low-surface-energy coating and preparation method thereof |
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Granted publication date: 20190806 |