CN109504142A - A kind of lacquer painting protective film selfreparing coating composition - Google Patents
A kind of lacquer painting protective film selfreparing coating composition Download PDFInfo
- Publication number
- CN109504142A CN109504142A CN201811220967.5A CN201811220967A CN109504142A CN 109504142 A CN109504142 A CN 109504142A CN 201811220967 A CN201811220967 A CN 201811220967A CN 109504142 A CN109504142 A CN 109504142A
- Authority
- CN
- China
- Prior art keywords
- microcapsules
- protective film
- lacquer painting
- coating composition
- curing agent
- 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
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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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2475/00—Presence of polyurethane
- C09J2475/005—Presence of polyurethane in the release coating
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2475/00—Presence of polyurethane
- C09J2475/006—Presence of polyurethane in the substrate
Abstract
The invention discloses a kind of lacquer painting protective film selfreparing coating compositions; including ultraviolet absorber, microcapsules A, microcapsules B, cross-linking and curing reaction matrix, curing agent, surfactant and solvent; each component is by mass percentage are as follows: ultraviolet absorber 0.1-1%; microcapsules A 5-10%; microcapsules B 5-10%, cross-linking and curing reaction matrix 12-36%, curing agent 0.5-2%; surfactant 0.1-1%, solvent 40-75%.Ultraviolet absorber in the present invention can prevent UV-induced aging, xanthochromia defect, and microcapsules average diameter is 3-12um, have scratch self-repair function.The present invention it is with the following functions: scratch resistance, protecting against shock, selfreparing, without xanthochromia；Former lacquer painting brightness 30% can be improved in two,.It is convenient and practical, it is suitable for and is not limited to automobile finish, furniture panel, electronic product curved surface panel and screen protection field.
Description
Technical field
The present invention relates to thin film technique field, in particular to a kind of protective film being pasted on automobile finish is with reviewing one's lessons by oneself overcoating
Cloth composition.
Background technique
As living standard is continuously improved, automobile is more and more, either bus or private car, and driver uses oneself
Car all very cherish and treasure.But traffic accident, prolonged to travel, the influence of harsh climate condition,
The even generation of human accident, is all inevitable.It in order to which protective paint face color is bright-coloured, does not aoxidize, increases paint layer intensity, make
It is not easy to scratch trace, currently, using the method for envelope glaze processing.Sealing glaze processing is that a kind of special chemical material is penetrated into paint layer
In surface, surface strength and shinny can be enhanced, but effect is not very obvious, especially after multiple carwash, can lose again quickly
It goes to act on, it is, therefore, necessary to handle again, so that bothersome take a lot of work.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficienciess of the prior art, provide a kind of lacquer painting protective film use from
Repair coating composition.
Problem of the invention solves by the following technical programs:
A kind of lacquer painting protective film selfreparing coating composition, including ultraviolet absorber, microcapsules A, microcapsules B, crosslinking
Solidification reactivity matrix, curing agent, surfactant and solvent, each component is by mass percentage are as follows: ultraviolet absorber 0.1-
1%, microcapsules A5-10%, microcapsules B 5-10%, cross-linking and curing reaction matrix 12-36%, curing agent 0.5-2%, surface
Activating agent 0.1-1%, solvent 40-75%.
Above-mentioned lacquer painting protective film selfreparing coating composition, the microcapsules A interior includes epoxy resin, hydroxy acrylic acid
Or mixtures thereof any one in resin or polyester polyol resin；It include amine curing agent, isocyanates in the microcapsules B
Or mixtures thereof any one of curing agent.
Above-mentioned lacquer painting protective film selfreparing coating composition, the reactivity matrix is epoxy resin, hydroxy acrylic acid
Or mixtures thereof any one of resin, polyester polyol resin.
Above-mentioned lacquer painting protective film selfreparing coating composition, the curing agent are isocyanate curing agent, amine-type cure
Or mixtures thereof any one of agent.
Above-mentioned lacquer painting protective film selfreparing coating composition, the curing agent are isocyanate curing agent, amine-type cure
Or mixtures thereof agent.
Above-mentioned lacquer painting protective film selfreparing coating composition, the ultraviolet absorber can be benzophenone, benzo
ThreeClass.
Above-mentioned lacquer painting protective film selfreparing coating composition, the surfactant are that organosiloxane or organosilicon change
The acrylic acid levelling agent of property.
Above-mentioned lacquer painting protective film selfreparing coating composition, the coatings with a thickness of 10~20um.
Above-mentioned lacquer painting protective film selfreparing coating composition, the microcapsules A, microcapsules B partial size be 3-12 microns.
Coating composition of the invention is applied on basement membrane and forms coating, generate it is following the utility model has the advantages that
1. when the microcapsules in coating are when being generated scuffing by external force, effect microcapsule wall rupture, internal liquid reparation
Agent outflow fills up cracks reactive polymeric to repair scratch.
2. injury of the ultraviolet light to membrane material, vehicle paint, no xanthochromia, extension can be reduced containing ultraviolet absorber in clear coat
Service life.
Former vehicle paint brightness can be improved 30% by 3.
Coating composition of the invention can be applied to automobile adhesive film, plane decoration pad pasting, furniture panel, electronic product curved surface
In terms of panel or screen protection, in addition to this, other similar occasion also can be applied to.
Detailed description of the invention
Fig. 1 is the sectional view of a selfreparing lacquer painting protective film made of coating composition of the present invention.
Each label respectively indicates in figure are as follows: 1, TPU counterdie；2, selfreparing clear coat；3, transparent PET protective film；4,
Chromatograph；5, removable glue layer；6, Misty-faced release film；7, microcapsules A；8, microcapsules B；
Specific embodiment
The present invention is specifically described combined with specific embodiments below, but embodiments of the present invention are not limited to this.
Embodiment 1:
By the microcapsules (self-control, average grain diameter 7um) of 8.0g, UV-531 (ultraviolet absorber, the 2- hydroxyl -4- of 0.6g
Oxy-octyl benzophenone, the safe Industrial Co., Ltd. in Wenzhou million) and 35.0g JXHM50E-3 (hydroxy acrylate, smart mail transfer
Bright Science and Technology Co., Ltd.) it is dissolved into the in the mixed solvent of 42.0g butanone and 28.0g ethyl acetate, add the polyethers of 0.5g
Curing agent (the aliphatic polymeric isocyanate, by Bayer of silicone copolymers (Digao manufacture, trade name: TEGO410) and 8.0g
Company's manufacture, trade name: N3390), material dissolution is abundant, obtain coating material.
Applying material obtained is applied to 150umTPU film (manufacture of A Gu Imtech, the U.S., trade name: 49510)
A face on.Being formed in the dry 3-5min of the 80-100 DEG C of coating to formation has the transparent of self-repair function with a thickness of 15um
Coating.
Embodiment 2:
By the microcapsules (self-control, average grain diameter 12um) of 10.0g, UV-531 (ultraviolet absorber, the 2- hydroxyl-of 0.3g
4- oxy-octyl benzophenone, the safe Industrial Co., Ltd. in Wenzhou million) and 33.0g HPSC-00183 (hydroxy acrylate, Bei Te
Sharp high molecular material limited liability company) it is dissolved into the in the mixed solvent of 42.0g butanone and 28.0g ethyl acetate, add 0.5g
Polyether siloxane copolymer (Digao manufacture, trade name: TEGO410) and 8.0g curing agent (aliphatic polymeric isocyanate,
Manufactured by Beyer Co., Ltd, trade name: N3390), material dissolution is abundant, obtain coating material.
By applying material obtained be applied to PET film (company, Hefei Lucky Science & Technology Industry Co., Ltd., trade name:
PG22 on a face).Being formed in the dry 3-5min of the 80-100 DEG C of coating to formation has self-repair function with a thickness of 20um
Clear coat.
Embodiment 3:
By the microcapsules (self-control, average grain diameter 3um) of 8.0g, UVP-327 (ultraviolet absorber, 2- (the 2'- hydroxyl of 0.5g
Base -3', 5'- di-tert-butyl-phenyl) -5- chlorinated benzotriazole, Hangzhou Jing You Chemical Co., Ltd.) and 35.0g JXHM50E-3
(hydroxy acrylate, the smart bright Science and Technology Co., Ltd. of mail transfer) is dissolved into 42.0g butanone and the mixing of 28.0g ethyl acetate is molten
In agent, (polyamide is solid for the polyether siloxane copolymer (Digao, trade name: TEGO410) and the curing agent of 8.0g that add 0.5g
Agent, by Shandong De Yuan epoxy Science and Technology Ltd., trade name: DJ2421H), material dissolution is abundant, obtain coating material.
Applying material obtained is applied to a face of 125umTAC film (Chinese Lekai film Group Co., Ltd)
On.The clear coat that there is self-repair function with a thickness of 10um is formed in the dry 3-5min of the 80-100 DEG C of coating to formation.
Embodiment 4:
By the microcapsules (self-control, average grain diameter 3um) of 8.0g, UV-531 (ultraviolet absorber, the 2- hydroxyl -4- of 0.3g
Oxy-octyl benzophenone, the safe Industrial Co., Ltd. in Wenzhou million) and 35.0g JXHM50E-3 (hydroxy acrylate, smart mail transfer
Bright Science and Technology Co., Ltd.) it is dissolved into the in the mixed solvent of 32.0g butanone and 38.0g ethyl acetate, add the polyethers of 0.5g
Silicone copolymers (Digao, trade name: TEGO410) and 8.0g curing agent (aliphatic polymeric isocyanate, by Beyer Co., Ltd,
Trade name: N3390), material dissolution is abundant, obtain coating material.
Applying material obtained is applied to 150umTPU film (A Gu Imtech, the U.S., trade name: 49510) one
On a face.The transparent painting that there is self-repair function with a thickness of 15um is formed in the dry 3-5min of the 80-100 DEG C of coating to formation
Layer.
Embodiment 5:
By the microcapsules (self-control, average grain diameter 8um) of 8.0g, UV-531UVP-327 (ultraviolet absorber, the 2- of 0.3g
(2'- hydroxyl -3', 5'- di-tert-butyl-phenyl) -5- chlorinated benzotriazole, Hangzhou Jing You Chemical Co., Ltd.) and 35.0g
JXHM50E-3 (hydroxy acrylate, the smart bright Science and Technology Co., Ltd. of mail transfer) is dissolved into 23.0g butanone and 47.0g acetic acid second
The in the mixed solvent of ester adds the polyether siloxane copolymer (Digao, trade name: TEGO410) and 8.0g of 0.5g
DJ2421H (polyamide curing agent, by Shandong De Yuan epoxy Science and Technology Ltd., trade name: DJ2421H), material dissolution is filled
Point, obtain coating material.
Applying material obtained is applied to 150umTPU film (A Gu Imtech, the U.S., trade name: 49510) one
On a face.The transparent painting that there is self-repair function with a thickness of 18um is formed in the dry 3-5min of the 80-100 DEG C of coating to formation
Layer.
Comparative example 6:
The JXHM50E-3 (hydroxy acrylate, the smart bright Science and Technology Co., Ltd. of mail transfer) of 35.0g is dissolved into 42.0g
The in the mixed solvent of butanone and 28.0g ethyl acetate, add 0.5g polyether siloxane copolymer (Digao manufacture, trade name:
TEGO410) and the curing agent of 8.0g (aliphatic polymeric isocyanate is manufactured by Beyer Co., Ltd, trade name: N3390), by material
Dissolution sufficiently, obtains coating material.
Applying material obtained is applied to 150umTPU film (A Gu Imtech, the U.S., trade name: 49510) one
On a face.The clear coat with a thickness of 15um is formed in the dry 3-5min of the 80-100 DEG C of coating to formation.
Table 1: performance data table
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example 1 | |
| Microcapsules Size um | 7 | 12 | 3 | 3 | 8 | Nothing |
| Coating layer thickness um | 15 | 20 | 10 | 15 | 18 | 15 |
| Prosthetic S | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | Unrepairable |
| Xanthochromia b value | 1.25 | 1.31 | 1.15 | 1.28 | 1.04 | 1.62 |
Each correlated performance test method is as follows in table:
1. prosthetic
With common steel brush in the case where repairing layer surface and firmly brushing three, observation scratch is automatically repaired time, unit second (S).
2. xanthochromia b value
Membrane material with coatings is subjected to QUV burn-in test, QUV burn-in test condition: 340nm, 0.8W/
Cm2,1000h.Color difference meter: prestige good fortune photoelectricity, model WR-18.B value is bigger, and representative is more yellow.
It is a selfreparing lacquer painting protective film made of coating composition of the invention, including macromolecule TPU shown in Fig. 1
Counterdie 1 made of material is equipped with transparent PET protective film in counterdie applied atop selfreparing clear coat 2 on coatings
3；It is equipped with coloring layer 4 in TPU counterdie another side, removable glue layer 5 is arranged below in coloring layer, is equipped with below removable glue layer
For protecting the Misty-faced release film 6 of glue layer；Added with microcapsules A, microcapsules B in the coatings 2.Microcapsules A, micro- glue
The average grain diameter of capsule B is 3-12 μm.
By the TPU film of the coating fluid of clear coat to 150 μm (manufacture of A Gu Imtech, the U.S., trade name:
49510) on a face.At a temperature of 80-100 DEG C, 3-5min dry to the selfreparing clear coat of formation formed with a thickness of
10-20 μm of coating；The PET transparent protective film of 50 μm of fitting, winds as semi-finished product one.
Coloring layer 4 is coated in the another side of semi-finished product, is wound as semi-finished product two.Coloring layer can be prepared into different colors
Layer, such as the color of glitter powder.
The Misty-faced release film of 75 μ m-thicks is unreeled, coats removable glue layer 5 in layer upper surface, the coloring layer 4 with semi-finished product two
It is bonded, is wound as finished product.Finished product needs aging, if aged at room temperature 7 days, if temperature 45 C, aging 3 days to get guarantor
Cuticula finished product.
Claims (8)
1. a kind of lacquer painting protective film selfreparing coating composition, including ultraviolet absorber, microcapsules A, microcapsules B, crosslinking are admittedly
Change reactive matrix, curing agent, surfactant and solvent, which is characterized in that each component is by mass percentage are as follows: ultraviolet suction
Receive agent 0.1-1%, microcapsules A 5-10%, microcapsules B 5-10%, cross-linking and curing reaction matrix 12-36%, curing agent
0.5-2%, surfactant 0.1-1%, solvent 40-75%.
2. lacquer painting protective film selfreparing coating composition according to claim 1, which is characterized in that the microcapsules A
It is interior to include or mixtures thereof any one in epoxy resin, Hydroxylated acrylic resin or polyester polyol resin；The microcapsules B
It is interior to include or mixtures thereof any one of amine curing agent, isocyanate curing agent.
3. lacquer painting protective film selfreparing coating composition according to claim 2, which is characterized in that the reactivity base
Matter is or mixtures thereof any one of epoxy resin, Hydroxylated acrylic resin, polyester polyol resin.
4. lacquer painting protective film selfreparing coating composition according to claim 3, which is characterized in that the curing agent is
Or mixtures thereof any one of isocyanate curing agent, amine curing agent.
5. lacquer painting protective film selfreparing coating composition according to claim 4, which is characterized in that the UV absorption
Agent is benzophenone or benzo threeClass.
6. lacquer painting protective film selfreparing coating composition according to claim 5, which is characterized in that the surface-active
Agent is organosiloxane or organic-silicon-modified acrylic acid levelling agent.
7. lacquer painting protective film selfreparing coating composition according to claim 6, which is characterized in that described to review one's lessons by oneself overcoating
Layer with a thickness of 10~20um.
8. lacquer painting protective film selfreparing coating composition according to claim 7, the grain of the microcapsules A, microcapsules B
Diameter is 3-12 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811220967.5A CN109504142A (en) | 2018-10-19 | 2018-10-19 | A kind of lacquer painting protective film selfreparing coating composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811220967.5A CN109504142A (en) | 2018-10-19 | 2018-10-19 | A kind of lacquer painting protective film selfreparing coating composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109504142A true CN109504142A (en) | 2019-03-22 |
Family
ID=65746799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811220967.5A Pending CN109504142A (en) | 2018-10-19 | 2018-10-19 | A kind of lacquer painting protective film selfreparing coating composition |
Country Status (1)
| Country | Link |
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| CN (1) | CN109504142A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111100568A (en) * | 2019-12-24 | 2020-05-05 | 深圳昌茂粘胶新材料有限公司 | Polyurethane rubber film with high weather resistance and preparation method thereof |
| CN113045981A (en) * | 2020-07-30 | 2021-06-29 | 九天起宏(江苏)检测有限公司 | Self-repairing waterborne polyurethane coating composition and coating |
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Application publication date: 20190322 |