CN108276904A - silicone coating agent and preparation method thereof - Google Patents
silicone coating agent and preparation method thereof Download PDFInfo
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- CN108276904A CN108276904A CN201711469228.5A CN201711469228A CN108276904A CN 108276904 A CN108276904 A CN 108276904A CN 201711469228 A CN201711469228 A CN 201711469228A CN 108276904 A CN108276904 A CN 108276904A
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- Prior art keywords
- coating agent
- silicone coating
- parts
- diluent
- trifluoro propyl
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention proposes a kind of SILICONE COATING AGENT and preparation method thereof, the present invention uses organosilicon material for base stock, film forming function is made it have by room temperature chemical reaction, and it is acted on using adhesion promoter and diluent, allow organosilicon material film securely in body surface, to reach lasting anti-paste effect, simultaneously, the SILICONE COATING AGENT UV resistant of the present invention, oxidation resistance are stronger, are suitable for outdoor surface brushing；Product can be coated in the surface of decorative paint, exterior coating, adhesive force is good after solidification, does not fall off, and keeps coating surface bright, it is smooth, with excellent anti-adhesion effects, advertisement tag is not viscous tight, it is easy to take away, after marking pen is write, it can not have to solvent or water is directly wiped, and anti-adhesion effects are lasting, coating surface latter year still has preferable anti-adhesion effects.
Description
Technical field
The present invention relates to organosilicon coating technical fields more particularly to a kind of SILICONE COATING AGENT and preparation method thereof.
Background technology
On avenue, guardrail, bridge, exterior wall, various small advertisements continuously emerge and scrawl.These small advertisements are viscous
Connecing property is difficult to tear by force, and " scribble " is difficult to clean off totally, becomes city " psoriasis ", seriously affects city appearance.It is domestic at present
Outer generally to coat oily substance using surface to prevent various small advertisements and scrawl, one passes through rain drop erosion or fallout
Dirt, anti-adhesion effects immediately disappear, and effect does not exceed January generally, causes greatly to waste.In addition, having patent disclosure to use has
Machine resin and all kinds of waxed standby Antisticking coatings, due to the limitation of material itself, anti-adhesion performance and antigraffiti effect are not
It is ideal.And the Antisticking coating prepared using F-C paint, complicated, material cost height is prepared, is unfavorable for promoting the use of.
Organosilicon is a kind of novel high polymer material, and surface tension is low, good weatherability, can be in -60 DEG C to 200 DEG C of temperature
Spend section stable for extended periods of time.The low-surface-energy of organosilicon macromolecule material so that adhesive is difficult to adhere to；Meanwhile it is organic
Silicon materials are cheap and easy to get, have the inherent advantage as anti-paste material.
Invention content
In view of this, the present invention proposes a kind of excellent, lasting, the inexpensive SILICONE COATING AGENT and its system of anti-adhesion effects
Preparation Method.
The technical proposal of the invention is realized in this way：On the one hand, the present invention provides a kind of SILICONE COATING AGENTs, former
Material formula includes the component of following mass parts,
20~50 parts of dialkyl polydimethylsiloxane
Hydroxy-end capped 0~20 part of methyl trifluoro propyl siloxane-dimethylsiloxane copolymer
2~5 parts of crosslinking agent
1~10 part of organic silicon modified by polyether resin
0.5~3 part of catalyst
55~65 parts of diluent
0.02~2 part of UV absorbers.
On the basis of above technical scheme, it is preferred that its composition of raw materials includes the component of following mass parts,
28~32 parts of dialkyl polydimethylsiloxane
Hydroxy-end capped 2~3 parts of methyl trifluoro propyl siloxane-dimethylsiloxane copolymer
3~4 parts of crosslinking agent
1~3 part of adhesion promoter
4~5 parts of organic silicon modified by polyether resin
1~2 part of catalyst
56.5~58.5 parts of diluent
0.06~0.1 part of UV absorbers.
On the basis of above technical scheme, it is preferred that the hydroxy-end capped methyl trifluoro propyl siloxanes-dimethyl-silicon
Methyl trifluoro propyl siloxanes weight content is 20%-40% in oxygen alkane.
On the basis of above technical scheme, it is preferred that its composition of raw materials further includes 10~30 parts of acrylic resin.
On the basis of above technical scheme, it is preferred that the crosslinking agent is methyltriethoxysilane, methyl trimethoxy oxygen
The mixing of one or more of base silane, methyl tributanoximo silane and methyl triacetoxysilane.
On the basis of above technical scheme, it is preferred that its composition of raw materials further includes 0.5~5 part of adhesion promoter.Into
One step is preferred, and the adhesion promoter is aminopropyl trimethoxy, aminopropyltriethoxy dimethoxysilane, N- (2- ammonia second
Base) one kind in -3- aminopropyltriethoxies dimethoxysilane and N- (2- aminoethyls) -3- aminopropyl trimethoxysilanes, dosage
It is 1~3 part.
On the basis of above technical scheme, it is preferred that the catalyst be dibutyl tin dilaurate, stannous acetate,
The mixing of one or more of tetraisopropyl titanate and butyl titanate.
On the basis of above technical scheme, it is preferred that the UV absorbers be UV-9, UV-328, UV-531,
The mixture of one or more of UV-O, phenyl salicylate, ultra-violet absorber RMB.
On the basis of above technical scheme, it is preferred that the diluent is No. 120 petroleum ethers, hexamethylene and toluene
In one kind.
Second aspect, the present invention provides the preparation methods of SILICONE COATING AGENT described in first aspect present invention, including with
Lower step,
First diluent is added in the container with sealing and stirring by S1, opens stirring, adds dihydroxy polydimethyl silicon
Oxygen alkane and hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer, stirring and dissolving；
S2, adds organic silicon modified by polyether resin, crosslinking agent, adhesion promoter and UV absorbers, and mixing is equal
It is even；
Catalyst is added in S3, stirs 1 hour；
S4, sealing and standing 2-4 hours, obtains SILICONE COATING AGENT at 0~45 DEG C.
On the basis of above technical scheme, it is preferred that further include step S5, acrylic resin is adjusted to diluent
30% solid content, then mixed in proportion with the product I that step S4 is obtained, the SILICONE COATING AGENT of higher intensity is made.
The SILICONE COATING AGENT and preparation method thereof of the present invention has the advantages that compared with the existing technology：
(1) present invention uses organosilicon material for base stock, and film forming function is made it have by room temperature chemical reaction, and
It is acted on using adhesion promoter and diluent, allows organosilicon material film securely in body surface, it is persistently anti-paste to reach
Effect, meanwhile, SILICONE COATING AGENT UV resistant of the invention, oxidation resistance are stronger, are suitable for outdoor surface brushing；
(2) product can be coated in the surface of decorative paint, exterior coating, and adhesive force is good after solidification, does not fall off, and make coating table
Face is bright, smooth, has excellent anti-adhesion effects, advertisement tag viscous not tight, it is easy to take away, after marking pen is write, can not have to
Solvent or water are directly wiped, and anti-adhesion effects are lasting, and coating surface latter year still has preferable anti-adhesion effects.
Specific implementation mode
Below in conjunction with embodiment of the present invention, technical solution of the present invention is clearly and completely described, it is clear that institute
The embodiment of description is only some embodiments of the invention, rather than whole embodiments.Based in the present invention
Embodiment, every other embodiment party obtained by those of ordinary skill in the art without making creative efforts
Formula shall fall within the protection scope of the present invention.
Embodiment 1
The SILICONE COATING AGENT of the present embodiment, composition of raw materials are as follows：
Dialkyl polydimethylsiloxane 20kg
Methyltriethoxysilane 2kg
Aminopropyl trimethoxy 0.5kg
Organic silicon modified by polyether resin 1kg
Dibutyl tin dilaurate 0.5kg
Tetraisopropyl titanate 0.5kg
No. 120 petroleum ether 55kg
UV-90.02kg。
Preparation process is as follows：
First No. 120 petroleum ethers are added in the container with sealing and stirring by S1, open stirring, add dihydroxy poly- two
Methylsiloxane, stirring and dissolving；
S2 adds organic silicon modified by polyether resin, methyltriethoxysilane, aminopropyl trimethoxy and UV-9, mixes
It closes uniform；
Dibutyl tin dilaurate and tetraisopropyl titanate is added in S3, stirs 1 hour；
S4, sealing and standing 4 hours, obtains SILICONE COATING AGENT at 20~30 DEG C.
Embodiment 2
The SILICONE COATING AGENT of the present embodiment, composition of raw materials are as follows：
Dialkyl polydimethylsiloxane 28kg
Hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer 2kg
Methyl triacetoxysilane 3kg
Organic silicon modified by polyether resin 4kg
Dibutyl tin dilaurate 0.5kg
Butyl titanate 0.5kg
No. 120 petroleum ether 56.5kg
UV-328 0.06kg。
Preparation process is as follows：
First No. 120 petroleum ethers are added in the container with sealing and stirring by S1, open stirring, add dihydroxy poly- two
Methylsiloxane and hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer, stirring and dissolving；
S2 adds organic silicon modified by polyether resin, methyl triacetoxysilane and UV-328, is uniformly mixed；
Dibutyl tin dilaurate and butyl titanate is added in S3, stirs 1 hour；
S4, sealing and standing 4 hours, obtains SILICONE COATING AGENT at 20~30 DEG C.
Embodiment 3
The SILICONE COATING AGENT of the present embodiment, composition of raw materials are as follows：
Dialkyl polydimethylsiloxane 30kg
Hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer 2kg
Methyltrimethoxysilane 4kg
Aminopropyltriethoxy dimethoxysilane 2kg
Organic silicon modified by polyether resin 5kg
Stannous acetate 0.5kg
Tetraisopropyl titanate 1kg
Hexamethylene 57.5kg
UV-531 0.08kg。
Preparation process is as follows：
First hexamethylene is added in the container with sealing and stirring by S1, opens stirring, adds dihydroxy polydimethyl silicon
Oxygen alkane and hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer, stirring and dissolving；
S2, add organic silicon modified by polyether resin, methyltrimethoxysilane, aminopropyltriethoxy dimethoxysilane and
UV-531 is uniformly mixed；
Stannous acetate and tetraisopropyl titanate is added in S3, stirs 1 hour；
S4, sealing and standing 4 hours, obtains SILICONE COATING AGENT at 20~30 DEG C.
Embodiment 4
The SILICONE COATING AGENT of the present embodiment, composition of raw materials are as follows：
Dialkyl polydimethylsiloxane 32kg
Hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer 3kg
Methyl tributanoximo silane 4kg
N- (2- aminoethyls) -3- aminopropyltriethoxy dimethoxysilanes 3kg
Organic silicon modified by polyether resin 5kg
Dibutyl tin dilaurate 1kg
Tetraisopropyl titanate 1kg
Toluene 58.5kg
UV-O 0.1kg。
Preparation process is as follows：
First toluene is added in the container with sealing and stirring by S1, opens stirring, adds dihydroxy polydimethyl silica
Alkane and hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer, stirring and dissolving；
S2 adds organic silicon modified by polyether resin, methyl tributanoximo silane, N- (2- aminoethyls) -3- aminopropyls
Methyl dimethoxysilane and UV-O are uniformly mixed；
Dibutyl tin dilaurate and tetraisopropyl titanate is added in S3, stirs 1 hour；
S4, sealing and standing 4 hours, obtains SILICONE COATING AGENT at 20~30 DEG C.
Embodiment 5
The SILICONE COATING AGENT of the present embodiment, composition of raw materials are as follows：
Dialkyl polydimethylsiloxane 50kg
Hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer 20kg
Methyl tributanoximo silane 5kg
N- (2- aminoethyls) -3- aminopropyl trimethoxysilanes 5kg
Organic silicon modified by polyether resin 10kg
Stannous acetate 0.5kg
Butyl titanate 2.5kg
Toluene 65kg
Phenyl salicylate 2kg.
Preparation process is as follows：
First toluene is added in the container with sealing and stirring by S1, opens stirring, adds dihydroxy polydimethyl silica
Alkane and hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer, stirring and dissolving；
S2 adds organic silicon modified by polyether resin, methyl tributanoximo silane, N- (2- aminoethyls) -3- aminopropyls
Trimethoxy silane and phenyl salicylate are uniformly mixed；
Catalyst is added in S3, stirs 1 hour；
S4, sealing and standing 4 hours, obtains SILICONE COATING AGENT at 20~30 DEG C.
SILICONE COATING AGENT made from Examples 1 to 5 can spray, paint, roller coating, dipping mode construct in exterior wall or
Component surface.By repeatedly testing, after small advertisement label, double faced adhesive tape, adhesive sticker etc. are stained with, without tool and solvent, very
Direct full wafer is easy to lift down.Small advertisement label, double faced adhesive tape, adhesive sticker etc. will not be ruptured, be remained.Meanwhile anti-paste coating table
Face is excellent, can reuse for a long time.After pigment coating, marking pen, paintbrush, writing brush etc. are scribbled, though after dry, with hand or
Dry cloth also can be wiped directly.By comparison, anti-paste effect is better than common organic resin and all kinds of waxed standby anti-paste paintings
Material.And F-C paint in the market is of high cost, nobody shows any interest in substantially, many fake products are full of wherein, and anti-paste effect causes anxiety.And
The excellent anti-paste effect of organosilicon exterior wall Antisticking coating, lower cost, simple preparation process, convenient execute-in-place
This blank is filled up.
Embodiment 6
The SILICONE COATING AGENT preparation process of the present embodiment is as follows：
First, 10kg acrylic resins are adjusted to 30% solid content with diluent；
Secondly, by SILICONE COATING AGENT made from Examples 1 to 5 respectively with 30% solids thermosetting acrylic acid copolymer tree
Fat mixes, and the SILICONE COATING AGENT of higher intensity can be made, with high-hardness self-cleaning, and anti-paste performance is good, product
It is transparent, anti-adhesion effects are basically unchanged, and be can be applied to more occasions, are met market demands.
Embodiment 7
First, 30kg acrylic resins are adjusted to 30% solid content with diluent；
Secondly, by SILICONE COATING AGENT made from Examples 1 to 5 respectively with 30% solids thermosetting acrylic acid copolymer tree
Fat mixes, and the SILICONE COATING AGENT of higher intensity can be made.
The foregoing is merely the better embodiments of the present invention, are not intended to limit the invention, all the present invention's
Within spirit and principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of SILICONE COATING AGENT, it is characterised in that：Its composition of raw materials includes the component of following mass parts,
20~50 parts of dialkyl polydimethylsiloxane
Hydroxy-end capped 0~20 part of methyl trifluoro propyl siloxane-dimethylsiloxane copolymer
2~5 parts of crosslinking agent
1~10 part of organic silicon modified by polyether resin
0.5~3 part of catalyst
55~65 parts of diluent
0.02~2 part of UV absorbers.
2. SILICONE COATING AGENT as described in claim 1, it is characterised in that：The hydroxy-end capped methyl trifluoro propyl silica
Methyl trifluoro propyl siloxanes weight content is 20%~40% in alkane-dimethyl siloxane.
3. SILICONE COATING AGENT as described in claim 1, it is characterised in that：Its composition of raw materials includes the group of following mass parts
Point,
28~32 parts of dialkyl polydimethylsiloxane
Hydroxy-end capped 2~3 parts of methyl trifluoro propyl siloxane-dimethylsiloxane copolymer
3~4 parts of crosslinking agent
4~5 parts of organic silicon modified by polyether resin
1~2 part of catalyst
56.5~58.5 parts of diluent
0.06~0.1 part of UV absorbers.
4. SILICONE COATING AGENT as described in claim 1, it is characterised in that：Its composition of raw materials further include acrylic resin 10~
30 parts.
5. SILICONE COATING AGENT as described in claim 1, it is characterised in that：The crosslinking agent be methyltriethoxysilane,
The mixing of one or more of methyltrimethoxysilane, methyl tributanoximo silane and methyl triacetoxysilane.
6. SILICONE COATING AGENT as described in claim 1, it is characterised in that：Its composition of raw materials further includes adhesion promoter
0.5~5 part.
7. SILICONE COATING AGENT as claimed in claim 6, it is characterised in that：The adhesion promoter is aminopropyl trimethoxy
Base, aminopropyltriethoxy dimethoxysilane, N- (2- aminoethyls) -3- aminopropyltriethoxies dimethoxysilanes and N- (2- ammonia second
Base) one kind in -3- aminopropyl trimethoxysilanes, dosage is 1~3 part.
8. SILICONE COATING AGENT as described in claim 1, it is characterised in that：The UV absorbers be UV-9, UV-328,
The mixture of one or more of UV-531, UV-O, phenyl salicylate, ultra-violet absorber RMB.
9. the preparation method of SILICONE COATING AGENT as described in claim 1, it is characterised in that：Include the following steps,
First diluent is added in the container with sealing and stirring by S1, opens stirring, adds dialkyl polydimethylsiloxane
And hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer, stirring and dissolving；
S2 adds organic silicon modified by polyether resin, crosslinking agent, adhesion promoter and UV absorbers, is uniformly mixed；
Catalyst is added in S3, stirs 1-2 hours；
S4, sealing and standing 2-4 hours, obtains SILICONE COATING AGENT at 0~45 DEG C.
10. the preparation method of SILICONE COATING AGENT as claimed in claim 9, it is characterised in that：Further include step S5, by propylene
Acid resin is adjusted to 30% solid content with diluent, then is mixed in proportion with the product I that step S4 is obtained, and having for higher intensity is made
Machine silicon coating agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711469228.5A CN108276904A (en) | 2017-12-29 | 2017-12-29 | silicone coating agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711469228.5A CN108276904A (en) | 2017-12-29 | 2017-12-29 | silicone coating agent and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108276904A true CN108276904A (en) | 2018-07-13 |
Family
ID=62802615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711469228.5A Pending CN108276904A (en) | 2017-12-29 | 2017-12-29 | silicone coating agent and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108276904A (en) |
-
2017
- 2017-12-29 CN CN201711469228.5A patent/CN108276904A/en active Pending
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Application publication date: 20180713 |