CN108264839A - High resiliency SILICONE COATING AGENT and preparation method thereof - Google Patents

High resiliency SILICONE COATING AGENT and preparation method thereof Download PDF

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Publication number
CN108264839A
CN108264839A CN201711471622.2A CN201711471622A CN108264839A CN 108264839 A CN108264839 A CN 108264839A CN 201711471622 A CN201711471622 A CN 201711471622A CN 108264839 A CN108264839 A CN 108264839A
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CN
China
Prior art keywords
coating agent
high resiliency
silicone coating
parts
adds
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.)
Pending
Application number
CN201711471622.2A
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Chinese (zh)
Inventor
龚家全
杨开柱
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HUBEI XINSIHAI CHEMICAL CO Ltd
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HUBEI XINSIHAI CHEMICAL CO Ltd
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Priority to CN201711471622.2A priority Critical patent/CN108264839A/en
Publication of CN108264839A publication Critical patent/CN108264839A/en
Pending legal-status Critical Current

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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
    • 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
    • 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

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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 high resiliency SILICONE COATING AGENT and preparation method thereof, the present invention uses organosilicon material as 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, so as to reach lasting anti-paste effect；Product can be coated in the surface of decorative paint, exterior coating, adhesive force is good after curing, does not fall off, and makes coating surface bright, it is smooth, with excellent anti-adhesion effects, advertisement tag is glued not tight, it is easy to be taken 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

High resiliency SILICONE COATING AGENT and preparation method thereof
Technical field
The present invention relates to organosilicon coating technical field more particularly to a kind of high resiliency SILICONE COATING AGENT and its preparation sides Method.
Background technology
On avenue, guardrail, bridge, exterior wall, various small advertisements continuously emerge and scrawl.These small advertisements glue Connecing property is difficult to tear by force, and " scribble " is difficult to clean off totally, becoming city " psoriasis ", seriously affecting 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 in itself, anti-adhesion performance and antigraffiti effect are not It is preferable.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；It is meanwhile 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 high resiliency SILICONE COATING AGENT of anti-adhesion effects And preparation method thereof.
The technical proposal of the invention is realized in this way：On the one hand, the present invention provides a kind of high resiliency organic silicon coatings Agent, composition of raw materials include 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
Poly- 1~10 part of ethyl silicones
0.5~3 part of catalyst
55~65 parts of diluent.
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
Poly- 4~5 parts of ethyl silicones
1~2 part of catalyst
56.5~58.5 parts of diluent.
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 for 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 diluent is No. 120 petroleum ethers, hexamethylene and toluene In one kind.
Second aspect, the present invention provides the preparation method of high resiliency SILICONE COATING AGENT described in first aspect present invention, Include the following steps,
S1 first adds in diluent in the container with sealing and stirring, opens stirring, adds dihydroxy polydimethyl silicon Oxygen alkane and hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer, stirring and dissolving；
S2 adds poly- ethyl silicones, crosslinking agent and adhesion promoter, is uniformly mixed；
S3 adds in catalyst, stirs 1 hour；
S4, sealing and standing 2-4 hours, obtains high resiliency 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 high resiliency SILICONE COATING AGENT of higher intensity is made.
High resiliency SILICONE COATING AGENT of the present invention and preparation method thereof has the advantages that relative to the prior art：
(1) present invention uses organosilicon material as 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 so as to reach Effect；
(2) product can be coated in the surface of decorative paint, exterior coating, and adhesive force is good after curing, does not fall off, and make coating table Face is bright, smooth, has excellent anti-adhesion effects, and advertisement tag is glued not tight, it is easy to be taken away, after marking pen is write, can not had 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 embodiment
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 the embodiment of a part of embodiment of the present invention rather than whole.Based in the present invention Embodiment, the every other embodiment party that those of ordinary skill in the art are obtained without making creative work Formula shall fall within the protection scope of the present invention.
Embodiment 1
The high resiliency SILICONE COATING AGENT of the present embodiment, composition of raw materials are as follows：
Dialkyl polydimethylsiloxane 20kg
Methyltriethoxysilane 2kg
Aminopropyl trimethoxy 0.5kg
Poly- ethyl silicones 1kg
Dibutyl tin dilaurate 0.5kg
Tetraisopropyl titanate 0.5kg
No. 120 petroleum ether 55kg.
Preparation process is as follows：
S1 first adds in No. 120 petroleum ethers in the container with sealing and stirring, opens stirring, adds dihydroxy poly- two Methylsiloxane, stirring and dissolving；
S2 adds poly- ethyl silicones, methyltriethoxysilane and aminopropyl trimethoxy, is uniformly mixed；
S3 adds in dibutyl tin dilaurate and tetraisopropyl titanate, stirs 1 hour；
S4, sealing and standing 4 hours, obtains high resiliency SILICONE COATING AGENT at 20~30 DEG C.
Embodiment 2
The high resiliency 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
Poly- ethyl silicones 4kg
Dibutyl tin dilaurate 0.5kg
Butyl titanate 0.5kg
No. 120 petroleum ether 56.5kg.
Preparation process is as follows：
S1 first adds in No. 120 petroleum ethers in the container with sealing and stirring, opens stirring, adds dihydroxy poly- two Methylsiloxane and hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer, stirring and dissolving；
S2 adds poly- ethyl silicones, methyl triacetoxysilane, is uniformly mixed；
S3 adds in dibutyl tin dilaurate and butyl titanate, stirs 1 hour；
S4, sealing and standing 4 hours, obtains high resiliency SILICONE COATING AGENT at 20~30 DEG C.
Embodiment 3
The high resiliency 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
Poly- ethyl silicones 5kg
Stannous acetate 0.5kg
Tetraisopropyl titanate 1kg
Hexamethylene 57.5kg.
Preparation process is as follows：
S1 first adds in hexamethylene in the container with sealing and stirring, opens stirring, adds dihydroxy polydimethyl silicon Oxygen alkane and hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer, stirring and dissolving；
S2, adds poly- ethyl silicones, methyltrimethoxysilane and aminopropyltriethoxy dimethoxysilane, and mixing is equal It is even；
S3 adds in stannous acetate and tetraisopropyl titanate, stirs 1 hour；
S4, sealing and standing 4 hours, obtains high resiliency SILICONE COATING AGENT at 20~30 DEG C.
Embodiment 4
The high resiliency 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
Poly- ethyl silicones 5kg
Dibutyl tin dilaurate 1kg
Tetraisopropyl titanate 1kg
Toluene 58.5kg.
Preparation process is as follows：
S1 first adds in toluene in the container with sealing and stirring, opens stirring, adds dihydroxy polydimethyl silica Alkane and hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer, stirring and dissolving；
S2 adds poly- ethyl silicones, methyl tributanoximo silane and N- (2- aminoethyls) -3- aminopropyltriethoxies two Methoxy silane is uniformly mixed；
S3 adds in dibutyl tin dilaurate and tetraisopropyl titanate, stirs 1 hour；
S4, sealing and standing 4 hours, obtains high resiliency SILICONE COATING AGENT at 20~30 DEG C.
Embodiment 5
The high resiliency 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
Poly- ethyl silicones 10kg
Stannous acetate 0.5kg
Butyl titanate 2.5kg
Toluene 65kg.
Preparation process is as follows：
S1 first adds in toluene in the container with sealing and stirring, opens stirring, adds dihydroxy polydimethyl silica Alkane and hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer, stirring and dissolving；
S2 adds poly- ethyl silicones, methyl tributanoximo silane and N- (2- aminoethyls) -3- aminopropyl trimethoxies Base silane is uniformly mixed；
S3 adds in catalyst, stirs 1 hour；
S4, sealing and standing 4 hours, obtains high resiliency SILICONE COATING AGENT at 20~30 DEG C.
High resiliency SILICONE COATING AGENT made from Examples 1 to 5 can be sprayed, be painted, roller coating, dipping mode construct 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 molten Agent, it is easy to which direct full wafer is lifted down.Small advertisement label, double faced adhesive tape, adhesive sticker etc. will not be ruptured, be remained.Meanwhile anti-paste painting Layer surface stands intact, and can reuse for a long time.After pigment coating, marking pen, paintbrush, writing brush etc. are scribbled, even if after dry, using 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-sticking Paste coating.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 may Sorrow.And the anti-paste effect that organosilicon exterior wall Antisticking coating is excellent, relatively low cost, simple preparation process are convenient existing This blank has been filled up in field operation.
Embodiment 6
The high resiliency 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 high resiliency SILICONE COATING AGENT made from Examples 1 to 5 respectively with 30% solids thermosetting acrylic acid Copolymer resins mix, and the high resiliency SILICONE COATING AGENT of higher intensity can be made, with high-hardness self-cleaning, and it is anti-paste Performance is good, and product is transparent, and anti-adhesion effects are basically unchanged, and can be applied to more occasions, meets market demands.
Embodiment 7
First, 30kg acrylic resins are adjusted to 30% solid content with diluent；
Secondly, by high resiliency SILICONE COATING AGENT made from Examples 1 to 5 respectively with 30% solids thermosetting acrylic acid Copolymer resins mix, and the high resiliency 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 high resiliency 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
Poly- 1~10 part of ethyl silicones
0.5~3 part of catalyst
55~65 parts of diluent.
2. high resiliency SILICONE COATING AGENT as described in claim 1, it is characterised in that：The hydroxy-end capped methyl trifluoro propyl Methyl trifluoro propyl siloxanes weight content is 20%~40% in siloxane-dimethylsiloxane.
3. high resiliency SILICONE COATING AGENT as described in claim 1, it is characterised in that：Its composition of raw materials includes following mass parts Component,
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
Poly- 4~5 parts of ethyl silicones
1~2 part of catalyst
56.5~58.5 parts of diluent.
4. high resiliency SILICONE COATING AGENT as described in claim 1, it is characterised in that：Its composition of raw materials further includes acrylic acid tree 10~30 parts of fat.
5. high resiliency SILICONE COATING AGENT as described in claim 1, it is characterised in that：The crosslinking agent is methyl triethoxy One or more of silane, methyltrimethoxysilane, methyl tributanoximo silane and methyl triacetoxysilane Mixing.
6. high resiliency SILICONE COATING AGENT as described in claim 1, it is characterised in that：Its composition of raw materials, which further includes attachment, makes every effort to promote Into 0.5~5 part of agent.
7. high resiliency SILICONE COATING AGENT as claimed in claim 6, it is characterised in that：The adhesion promoter is aminopropyl Trimethoxy, aminopropyltriethoxy dimethoxysilane, N- (2- aminoethyls) -3- aminopropyltriethoxies dimethoxysilanes and N- (2- Aminoethyl) one kind in -3- aminopropyl trimethoxysilanes, dosage is 1~3 part.
8. high resiliency SILICONE COATING AGENT as described in claim 1, it is characterised in that：The catalyst is two fourth of dilaurate The mixing of one or more of Ji Xi, stannous acetate, tetraisopropyl titanate and butyl titanate.
9. the preparation method of high resiliency SILICONE COATING AGENT as described in claim 1, it is characterised in that：Include the following steps,
S1 first adds in diluent in the container with sealing and stirring, opens stirring, adds dialkyl polydimethylsiloxane And hydroxy-end capped methyl trifluoro propyl siloxane-dimethylsiloxane copolymer, stirring and dissolving；
S2 adds poly- ethyl silicones, crosslinking agent and adhesion promoter, is uniformly mixed；
S3 adds in catalyst, stirs 1-2 hours；
S4, sealing and standing 2-4 hours, obtains high resiliency SILICONE COATING AGENT at 0~45 DEG C.
10. the preparation method of high resiliency SILICONE COATING AGENT as claimed in claim 9, it is characterised in that：Step S5 is further included, Acrylic resin is adjusted to 30% solid content with diluent, then mix in proportion with the product I that step S4 is obtained, is made more high-strength The high resiliency SILICONE COATING AGENT of degree.
CN201711471622.2A 2017-12-29 2017-12-29 High resiliency SILICONE COATING AGENT and preparation method thereof Pending CN108264839A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711471622.2A CN108264839A (en) 2017-12-29 2017-12-29 High resiliency SILICONE COATING AGENT and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711471622.2A CN108264839A (en) 2017-12-29 2017-12-29 High resiliency SILICONE COATING AGENT and preparation method thereof

Publications (1)

Publication Number Publication Date
CN108264839A true CN108264839A (en) 2018-07-10

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Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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Application publication date: 20180710

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