CN106318205A - Organosilicon coating agent for external wall and preparation method of organosilicon coating agent - Google Patents
Organosilicon coating agent for external wall and preparation method of organosilicon coating agent Download PDFInfo
- Publication number
- CN106318205A CN106318205A CN201610789655.0A CN201610789655A CN106318205A CN 106318205 A CN106318205 A CN 106318205A CN 201610789655 A CN201610789655 A CN 201610789655A CN 106318205 A CN106318205 A CN 106318205A
- Authority
- CN
- China
- Prior art keywords
- coating agent
- parts
- exterior wall
- silicone coating
- wall silicone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- C09D183/06—Polysiloxanes containing silicon bound to oxygen-containing groups
-
- 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
-
- 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
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention provides an organosilicon coating agent for an external wall and a preparation method of the organosilicon coating agent. An organosilicon material is taken as a basic raw material, is endowed with a film forming function by means of a room-temperature chemical reaction and is firmly attached to the object surface under actions of an adhesion promoter and a diluent, thereby realizing a lasting anti-sticking effect; a product can be applied to outer surfaces of a decoration coating and an external wall coating, is good in adhesion after being cured and does not fall off, the coating surface is bright and smooth and has an excellent anti-sticking effect, an advertisement label cannot be stuck tightly and is easy to tear off, writing by a marking pen can be removed directly without use of a solvent or water, the anti-sticking effect is lasting, and a relatively good anti-sticking effect can be still realized after surface coating for 1 year.
Description
Technical field
The present invention relates to organosilicon coating technical field, particularly relate to a kind of exterior wall SILICONE COATING AGENT and preparation side thereof
Method.
Background technology
On avenue, guardrail, bridge, exterior wall, various small advertisements constantly occur and scrawls.These small advertisements glue
Connecing property is difficult to by force tear, and " scribble " is difficult to clean off totally, becoming city " psoriasis ", having a strong impact on city look and feel.The most domestic
Oily substance is coated to prevent various small advertisement and scrawling in outer commonly used surface, and one through rain drop erosion or fallout
Dirt, anti-adhesion effects immediately disappears, and effect, typically not over January, causes waste greatly.Have it addition, there is patent to disclose employing
Machine resin and all kinds of waxed standby Antisticking coating, due to the limitation of material itself, anti-adhesion performance and antigraffiti effect the most not
Preferable.And the Antisticking coating using F-C paint to prepare, prepare complexity, material cost is high, 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 the temperature of-60 DEG C to 200 DEG C
The interval stable for extended periods of time of degree.The low-surface-energy of organosilicon macromolecule material so that adhesive is difficult to adhere to；Meanwhile, organic
Silicon materials are cheap and easy to get, have the inherent advantage as anti-paste material.
Summary of the invention
In view of this, the present invention proposes a kind of anti-adhesion effects excellence, lasting, the exterior wall SILICONE COATING AGENT of low cost
And preparation method thereof.
The technical scheme is that and be achieved in that: on the one hand, the invention provides a kind of exterior wall organic silicon coating
Agent, its composition of raw materials includes the component of following mass parts,
Dialkyl polydimethylsiloxane 20～50 parts
Hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer 0～20 parts
Cross-linking agent 2～5 parts
MQ organic siliconresin 1～10 parts
Catalyst 0.5～3 parts
Diluent 55～65 parts.
On the basis of above technical scheme, it is preferred that its composition of raw materials includes the component of following mass parts,
Dialkyl polydimethylsiloxane 28～32 parts
Hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer 2～3 parts
Cross-linking agent 3～4 parts
Adhesion promoter 1～3 parts
MQ organic siliconresin 4～5 parts
Catalyst 1～2 parts
Diluent 56.5～58.5 parts.
On the basis of above technical scheme, it is preferred that described hydroxy-end capped methyl trifluoro propyl siloxanes-dimethyl-silicon
In oxygen alkane, methyl trifluoro propyl siloxanes weight content is 20%-40%.
On the basis of above technical scheme, it is preferred that its composition of raw materials also includes acrylic resin 10～30 parts.
On the basis of above technical scheme, it is preferred that described cross-linking agent is MTES, methyl trimethoxy oxygen
The mixing of one or more in base silane, methyl tributanoximo silane and methyl triacetoxysilane.
On the basis of above technical scheme, it is preferred that its composition of raw materials also includes adhesion promoter 0.5～5 parts.Enter
One step is preferred, and described adhesion promoter is aminopropyl trimethoxy, aminopropyltriethoxy dimethoxysilane, N-(2-ammonia second
Base) one in-3-aminopropyltriethoxy dimethoxysilane and N-(2-aminoethyl)-3-aminopropyl trimethoxysilane, consumption
It it is 1～3 part.
On the basis of above technical scheme, it is preferred that described catalyst be dibutyl tin dilaurate, stannous acetate,
The mixing of one or more in tetraisopropyl titanate and butyl titanate.
On the basis of above technical scheme, it is preferred that described diluent is No. 120 petroleum ether, hexamethylene and toluene
In one.
Second aspect, the invention provides the preparation method of exterior wall SILICONE COATING AGENT described in first aspect present invention,
Comprise the following steps,
S1, first adds diluent band and seals and in the container of stirring, open stirring, add dihydroxy polydimethyl silicon
Oxygen alkane and hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer, stirring and dissolving；
S2, adds MQ organic siliconresin, cross-linking agent and adhesion promoter, mix homogeneously；
S3, adds catalyst, stirs 1 hour；
S4,0～45 DEG C of lower seal stands 2-4 hour, i.e. prepares exterior wall SILICONE COATING AGENT.
On the basis of above technical scheme, it is preferred that also include step S5, acrylic resin diluent is adjusted to
30% solid content, then the product I obtained with step S4 is mixed in proportion, and prepares the exterior wall SILICONE COATING AGENT of higher intensity.
Exterior wall SILICONE COATING AGENT of the present invention and preparation method thereof has the advantages that relative to prior art
(1) present invention uses organosilicon material to be base stock, makes it have film forming function by room temperature chemical reaction, and
Use adhesion promoter and diluent effect, allow organosilicon material film firmly at body surface, thus reach the most anti-paste
Effect；
(2) product can be coated in the surface of decorative paint, exterior coating, and solidification postadhesion power is good, does not falls off, makes coating table
Face light, smooth, there is the anti-adhesion effects of excellence, advertisement tag is viscous the tightest, it is easy to take away, after marking pen is write, can
Solvent or water are directly wiped, and anti-adhesion effects is lasting, within after coating surface 1 year, still has preferable anti-adhesion effects.
Detailed description of the invention
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 described is only a part of embodiment of the present invention rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment party that those of ordinary skill in the art are obtained under not making creative work premise
Formula, broadly falls into the scope of protection of the invention.
Embodiment 1
The exterior wall SILICONE COATING AGENT of the present embodiment, its composition of raw materials is as follows:
Dialkyl polydimethylsiloxane 20kg
MTES 2kg
Aminopropyl trimethoxy 0.5kg
MQ organic siliconresin 1kg
Dibutyl tin dilaurate 0.5kg
Tetraisopropyl titanate 0.5kg
No. 120 petroleum ether 55kg.
Preparation process is as follows:
No. 120 petroleum ether are first added band and seal and in the container of stirring, open stirring, add dihydroxy poly-two by S1
Methylsiloxane, stirring and dissolving；
S2, adds MQ organic siliconresin, MTES and aminopropyl trimethoxy, mix homogeneously；
S3, adds dibutyl tin dilaurate and tetraisopropyl titanate, stirs 1 hour；
S4,20～30 DEG C of lower seals stand 4 hours, i.e. prepare exterior wall SILICONE COATING AGENT.
Embodiment 2
The exterior wall SILICONE COATING AGENT of the present embodiment, its composition of raw materials is as follows:
Dialkyl polydimethylsiloxane 28kg
Hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer 2kg
Methyl triacetoxysilane 3kg
MQ organic siliconresin 4kg
Dibutyl tin dilaurate 0.5kg
Butyl titanate 0.5kg
No. 120 petroleum ether 56.5kg.
Preparation process is as follows:
No. 120 petroleum ether are first added band and seal and in the container of stirring, open stirring, add dihydroxy poly-two by S1
Methylsiloxane and hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer, stirring and dissolving；
S2, adds MQ organic siliconresin, methyl triacetoxysilane, mix homogeneously；
S3, adds dibutyl tin dilaurate and butyl titanate, stirs 1 hour；
S4,20～30 DEG C of lower seals stand 4 hours, i.e. prepare exterior wall SILICONE COATING AGENT.
Embodiment 3
The exterior wall SILICONE COATING AGENT of the present embodiment, its composition of raw materials is as follows:
Dialkyl polydimethylsiloxane 30kg
Hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer 2kg
MTMS 4kg
Aminopropyltriethoxy dimethoxysilane 2kg
MQ organic siliconresin 5kg
Stannous acetate 0.5kg
Tetraisopropyl titanate 1kg
Hexamethylene 57.5kg.
Preparation process is as follows:
S1, first adds hexamethylene band and seals and in the container of stirring, open stirring, add dihydroxy polydimethyl silicon
Oxygen alkane and hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer, stirring and dissolving；
S2, adds MQ organic siliconresin, MTMS and aminopropyltriethoxy dimethoxysilane, and mixing is all
Even；
S3, adds stannous acetate and tetraisopropyl titanate, stirs 1 hour；
S4,20～30 DEG C of lower seals stand 4 hours, i.e. prepare exterior wall SILICONE COATING AGENT.
Embodiment 4
The exterior wall SILICONE COATING AGENT of the present embodiment, its composition of raw materials is as follows:
Dialkyl polydimethylsiloxane 32kg
Hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer 3kg
Methyl tributanoximo silane 4kg
N-(2-aminoethyl)-3-aminopropyltriethoxy dimethoxysilane 3kg
MQ organic siliconresin 5kg
Dibutyl tin dilaurate 1kg
Tetraisopropyl titanate 1kg
Toluene 58.5kg.
Preparation process is as follows:
S1, first adds toluene band and seals and in the container of stirring, open stirring, add dihydroxy polydimethyl silica
Alkane and hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer, stirring and dissolving；
S2, adds MQ organic siliconresin, methyl tributanoximo silane and N-(2-aminoethyl)-3-aminopropyltriethoxy two
Methoxy silane, mix homogeneously；
S3, adds dibutyl tin dilaurate and tetraisopropyl titanate, stirs 1 hour；
S4,20～30 DEG C of lower seals stand 4 hours, i.e. prepare exterior wall SILICONE COATING AGENT.
Embodiment 5
The exterior wall SILICONE COATING AGENT of the present embodiment, its composition of raw materials is as follows:
Dialkyl polydimethylsiloxane 50kg
Hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer 20kg
Methyl tributanoximo silane 5kg
N-(2-aminoethyl)-3-aminopropyl trimethoxysilane 5kg
MQ organic siliconresin 10kg
Stannous acetate 0.5kg
Butyl titanate 2.5kg
Toluene 65kg.
Preparation process is as follows:
S1, first adds toluene band and seals and in the container of stirring, open stirring, add dihydroxy polydimethyl silica
Alkane and hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer, stirring and dissolving；
S2, adds MQ organic siliconresin, methyl tributanoximo silane and N-(2-aminoethyl)-3-aminopropyl trimethoxy
Base silane, mix homogeneously；
S3, adds catalyst, stirs 1 hour；
S4,20～30 DEG C of lower seals stand 4 hours, i.e. prepare exterior wall SILICONE COATING AGENT.
The exterior wall SILICONE COATING AGENT that embodiment 1～5 prepares can be constructed in the way of spraying, rendering, roller coating, dipping
Exterior wall or component surface.Through repeatedly testing, after small advertisement label, double faced adhesive tape, adhesive sticker etc. are stained with, it is not necessary to by instrument and molten
Agent, it is easy to directly full wafer is lifted down.Small advertisement label, double faced adhesive tape, adhesive sticker etc. will not rupture, remain.Meanwhile, anti-paste painting
Layer surface stands intact, and can reuse for a long time.After pigment coating, marking pen, paintbrush, brush pen etc. are scribbled, even if after drying, use
Hands or dry cloth also can directly be wiped.By contrast, its anti-paste effect is better than common organic resin and all kinds of waxed standby antiseized
Patch coating.And the F-C paint cost height on market, substantially nobody shows any interest in, many fake products are full of wherein, and anti-paste effect may
Melancholy.And the anti-paste effect that organosilicon exterior wall Antisticking coating is excellent, relatively low cost, simple preparation technology, existing easily
It is blank that field operation has filled up this.
Embodiment 6
The exterior wall SILICONE COATING AGENT preparation process of the present embodiment is as follows:
First, 10kg acrylic resin diluent is adjusted to 30% solid content；
Secondly, exterior wall SILICONE COATING AGENT embodiment 1～5 prepared respectively with 30% solids thermosetting acrylic acid
Copolymer resins mixes, and can prepare the exterior wall SILICONE COATING AGENT of higher intensity, and it has high-hardness self-cleaning, and anti-paste
Performance is good, the transparent shape of product, and anti-adhesion effects is basically unchanged, and can apply to more occasion, meets market demands.
Embodiment 7
First, 30kg acrylic resin diluent is adjusted to 30% solid content；
Secondly, exterior wall SILICONE COATING AGENT embodiment 1～5 prepared respectively with 30% solids thermosetting acrylic acid
Copolymer resins mixes, and can prepare the exterior wall SILICONE COATING AGENT of higher intensity.
The foregoing is only the better embodiment of the present invention, not in order to limit the present invention, all the present invention's
Within spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. an exterior wall SILICONE COATING AGENT, it is characterised in that: its composition of raw materials includes the component of following mass parts, dihydroxy
Polydimethylsiloxane 20～50 parts
Hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer 0～20 parts
Cross-linking agent 2～5 parts
MQ organic siliconresin 1～10 parts
Catalyst 0.5～3 parts
Diluent 55～65 parts.
2. exterior wall SILICONE COATING AGENT as claimed in claim 1, it is characterised in that: described hydroxy-end capped methyl trifluoro propyl
In siloxane-dimethylsiloxane, methyl trifluoro propyl siloxanes weight content is 20%～40%.
3. exterior wall SILICONE COATING AGENT as claimed in claim 1, it is characterised in that: its composition of raw materials includes following mass parts
Component,
Dialkyl polydimethylsiloxane 28～32 parts
Hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer 2～3 parts
Cross-linking agent 3～4 parts
MQ organic siliconresin 4～5 parts
Catalyst 1～2 parts
Diluent 56.5～58.5 parts.
4. exterior wall SILICONE COATING AGENT as claimed in claim 1, it is characterised in that: its composition of raw materials also includes acrylic acid tree
Fat 10～30 parts.
5. exterior wall SILICONE COATING AGENT as claimed in claim 1, it is characterised in that: described cross-linking agent is methyl triethoxy
One or more in silane, MTMS, methyl tributanoximo silane and methyl triacetoxysilane
Mixing.
6. exterior wall SILICONE COATING AGENT as claimed in claim 1, it is characterised in that: its composition of raw materials also includes that attachment is made every effort to promote
Enter agent 0.5～5 parts.
7. exterior wall SILICONE COATING AGENT as claimed in claim 6, it is characterised in that: described adhesion promoter is aminopropyl
Trimethoxy, aminopropyltriethoxy dimethoxysilane, N-(2-aminoethyl)-3-aminopropyltriethoxy dimethoxysilane and N-(2-
Aminoethyl) one in-3-aminopropyl trimethoxysilane, consumption is 1～3 part.
8. exterior wall SILICONE COATING AGENT as claimed in claim 1, it is characterised in that: described catalyst is dilaurate two fourth
The mixing of one or more in Ji Xi, stannous acetate, tetraisopropyl titanate and butyl titanate.
9. the preparation method of exterior wall SILICONE COATING AGENT as claimed in claim 1, it is characterised in that: comprise the following steps,
S1, first adds diluent band and seals and in the container of stirring, open stirring, add dialkyl polydimethylsiloxane
And hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer, stirring and dissolving；
S2, adds MQ organic siliconresin, cross-linking agent and adhesion promoter, mix homogeneously；
S3, adds catalyst, stirs 1-2 hour；
S4,0～45 DEG C of lower seal stands 2-4 hour, i.e. prepares exterior wall SILICONE COATING AGENT.
10. the preparation method of exterior wall SILICONE COATING AGENT as claimed in claim 9, it is characterised in that: also include step S5,
Acrylic resin diluent is adjusted to 30% solid content, then the product I obtained with step S4 is mixed in proportion, prepare more high-strength
The exterior wall SILICONE COATING AGENT of degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610789655.0A CN106318205A (en) | 2016-08-31 | 2016-08-31 | Organosilicon coating agent for external wall and preparation method of organosilicon coating agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610789655.0A CN106318205A (en) | 2016-08-31 | 2016-08-31 | Organosilicon coating agent for external wall and preparation method of organosilicon coating agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106318205A true CN106318205A (en) | 2017-01-11 |
Family
ID=57789415
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610789655.0A Pending CN106318205A (en) | 2016-08-31 | 2016-08-31 | Organosilicon coating agent for external wall and preparation method of organosilicon coating agent |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108165166A (en) * | 2017-12-31 | 2018-06-15 | 江苏万源新材料股份有限公司 | A kind of aluminium alloy wheel hub special coating |
| CN112724826A (en) * | 2020-12-26 | 2021-04-30 | 福建鸣友新材料科技有限公司 | Organic silicon resin modified heat-resistant back coating material and preparation method and use method thereof |
| CN113249030A (en) * | 2021-04-30 | 2021-08-13 | 中天东方氟硅材料有限公司 | Organosilicon waterproofing agent prepared by compounding silane coupling agent with MQ silicon resin |
| CN115029062A (en) * | 2022-06-28 | 2022-09-09 | 重庆锦弘新材料技术工程有限公司 | Tunnel concrete surface anti-pollution brightening protection system and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108165166A (en) * | 2017-12-31 | 2018-06-15 | 江苏万源新材料股份有限公司 | A kind of aluminium alloy wheel hub special coating |
| CN112724826A (en) * | 2020-12-26 | 2021-04-30 | 福建鸣友新材料科技有限公司 | Organic silicon resin modified heat-resistant back coating material and preparation method and use method thereof |
| CN113249030A (en) * | 2021-04-30 | 2021-08-13 | 中天东方氟硅材料有限公司 | Organosilicon waterproofing agent prepared by compounding silane coupling agent with MQ silicon resin |
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| CN115029062A (en) * | 2022-06-28 | 2022-09-09 | 重庆锦弘新材料技术工程有限公司 | Tunnel concrete surface anti-pollution brightening protection system and construction method thereof |
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