CN112959698A - Vehicle lamp repairing and restoring process - Google Patents
Vehicle lamp repairing and restoring process Download PDFInfo
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- CN112959698A CN112959698A CN202110134098.XA CN202110134098A CN112959698A CN 112959698 A CN112959698 A CN 112959698A CN 202110134098 A CN202110134098 A CN 202110134098A CN 112959698 A CN112959698 A CN 112959698A
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- parts
- lamp
- pattern
- damaged
- heat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
- B29C73/04—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D using preformed elements
- B29C73/10—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D using preformed elements using patches sealing on the surface of the article
- B29C73/12—Apparatus therefor, e.g. for applying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
- B29C73/24—Apparatus or accessories not otherwise provided for
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/02—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polycarbonates or saturated polyesters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/10—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers containing more than one epoxy radical per molecule
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to the technical field of automobile maintenance, and provides a vehicle lamp repairing and restoring process, which comprises the following steps: determining a damaged part of an automobile lamp, if the damaged part is a pattern part of the automobile lamp, manufacturing a mould with the pattern, uniformly coating casting glue on the mould, adhering an acrylic plate on the mould coated with the glue, solidifying, copying the pattern on the acrylic plate, filling the acrylic plate with the pattern on the pattern part of the automobile lamp, and finishing the repair of the pattern part; if the corner position of the car lamp is adopted, the heat-resistant adhesive tape is attached to the damaged position of the corner of the car lamp, the high polymer material is cast in the heat-resistant adhesive tape, the heat-resistant adhesive tape is solidified and formed, the heat-resistant adhesive tape is detached, and the corner position is polished and polished. Through above-mentioned technical scheme, the decorative pattern of automobile tail lamp and the problem of corner repair difficulty among the prior art have been solved.
Description
Technical Field
The invention relates to the technical field of automobile maintenance, in particular to a vehicle lamp repairing and restoring process.
Background
In the daily use process, along with the increase of the usage amount of the automobile, the tail lamp lens of the automobile is difficult to avoid encountering traffic accidents or collision of other foreign matters during the running process, so that damages such as cracks, holes, cuts and the like are generated. The transparency and the definition of the automobile lamp assembly are seriously influenced, the lighting function is influenced, and potential safety hazards exist in driving at night. Under many circumstances, damaged car light adopts the mode of renovating to recover can be more economical, swift than direct change, and many car lights can resume its original sound condition through scientific and reasonable repair technology after damaged.
Generally all have the decorative pattern on automobile tail lamp, when decorative pattern department takes place to damage when damaged, prior art is that the hand carving goes out the decorative pattern form on inferior gram force board, is difficult to guarantee with original decorative pattern matching degree, influences pleasing to the eye to waste time and energy and consume a large amount of costs of labor.
When the corner of car tail lamp caused the collision, prior art adopted the patch bonding method, used solid-state ya keli piece to bond in damaged department, had the insecure problem of bonding.
Disclosure of Invention
The invention provides a vehicle lamp repairing and restoring process, which solves the problem that patterns and corners of a vehicle tail lamp are difficult to repair in the prior art.
The technical scheme of the invention is as follows:
a vehicle lamp repairing and restoring process comprises the following steps:
s1, determining the damaged part of the automobile lamp, if the damaged part is the car lamp pattern part, performing steps S2-S5, and if the damaged part is the car lamp corner part, performing steps S6-S8;
s2, manufacturing a mold with patterns;
s3, uniformly coating the casting glue on the mould;
s4, adhering the acrylic plate on the mould coated with the glue, curing, and copying patterns on the acrylic plate;
s5, filling the acrylic plate with the patterns to the pattern part of the car lamp to finish the repair of the pattern part;
s6, attaching a heat-resistant adhesive tape to the damaged position of the corner of the car lamp;
s7, casting a high polymer material into the heat-resistant adhesive tape, and curing and forming;
s8, removing the heat-resistant adhesive tape, and grinding and polishing corner positions.
As a further technical solution, it is proposed that,
in step S2, the pattern portion of the vehicle lamp that is not damaged is poured with silicone rubber and cured to obtain the mold having the pattern.
As a further technical solution, it is proposed that,
in step S6, before the heat-resistant tape is attached, the damaged portion is cleaned and polished.
As a further technical solution, it is proposed that,
in step S6, the polymer material includes the following components: 32-40 parts of methacrylate, 10-30 parts of epoxy resin, 10-30 parts of poly (trimethylhexamethylene terephthalamide) modified aliphatic amine, 15-28 parts of alicyclic amine, 15-25 parts of diluent, 2-3 parts of curing agent, 2-3 parts of accelerator and 2-3 parts of flatting agent.
As a further technical solution, it is proposed that,
in step S6, the polymer material includes the following components: 35 parts of methacrylate, 15 parts of epoxy resin, 20 parts of poly (trimethylhexamethylene terephthalamide) modified aliphatic amine, 18 parts of alicyclic amine, 20 parts of diluent, 2 parts of curing agent, 2 parts of accelerator and 2 parts of flatting agent.
As a further technical solution, it is proposed that,
the curing agent is phthalic anhydride.
As a further technical solution, it is proposed that,
the accelerant is cobalt iso-octoate.
The working principle and the beneficial effects of the invention are as follows:
in the invention, for the repair process of the automobile lamp, when the automobile lamp is damaged and repaired, the damaged position is the most difficult to repair at the pattern position or the corner position of the automobile lamp, which belongs to the technical problem in the field, and the reason is that:
when car light decorative pattern is damaged, because the decorative pattern of its car light of car of every model all is different, the way of prior art adopts on the inferior gram force board manual sculpture, and the different influence of manual skill of glyptic texture is received, hardly guarantees the effect to just too difficult making the same texture of manual skill again, and waste time and energy. The invention provides a novel car lamp pattern repairing process, which is different from the conventional process thought, directly uses silica gel to re-engrave the patterns at the undamaged positions or the patterns of other cars with the same type, and then coats glue in a silica gel mould, the glue is covered with an acrylic plate, after the glue on the acrylic plate is dried, the presented patterns are the same as the original patterns, the recovery effect is good, and compared with the conventional technical means, the steps are simple and easy to operate, the labor cost and the repair time are reduced, and the fettling limitation of the conventional process thought is broken through.
When the corners of the car lamp are damaged, the damage of the sharp corners is generally small, the repair is difficult to operate, the repair is not obvious, the conventional method in the field is to use a solid acrylic sheet to be adhered to the damaged positions, or use a PVC repair sheet to repair, for example, patent document CN 105176430B-a car lens repair suit and a preparation method and application thereof, the method in the prior art has the problem of insecure adhesion, and even if the repair is carried out, the adhered seam positions are obvious. The invention provides a novel car lamp corner repairing process, which is different from the conventional process thought, a heat-resistant adhesive tape is adhered to a damaged position to form an accommodating space, a sharp corner is formed along the damaged position in the shape surrounded by the heat-resistant adhesive tape, so that a high polymer material can be accommodated, the high polymer material is cured and formed between the heat-resistant adhesive tape and the car lamp corner damage, the heat-resistant adhesive tape is removed, and the cured high polymer material is polished to form a required shape, so that the repairing is completed. Therefore, the original thinking mode of repair is broken through, and the original technical problem is solved through a new method.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of a vehicular lamp pattern in the present invention;
FIG. 2 is a schematic view of a corner structure of the vehicular lamp according to the present invention;
FIG. 3 is a schematic view of the application of the heat-resistant adhesive tape in the structure of the present invention;
in the figure: 1. car light decorative pattern, 2, car light corner, 3, heat-resisting sticky tape.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are intended to be within the scope of the present invention.
Example 1
As shown in fig. 1 to 3, the present embodiment proposes
A vehicle lamp repairing and restoring process comprises the following steps:
s1, determining the damaged part of the automobile lamp, wherein the pattern 1 part and the corner 2 part of the automobile lamp are damaged simultaneously;
s2, manufacturing a mold with patterns, pouring silica gel on the undamaged vehicle lamp pattern 1 part, and curing to obtain the mold with the patterns;
s3, uniformly coating the casting glue on the mold;
s4, adhering the acrylic plate on the mould coated with the glue, curing, and copying the patterns on the acrylic plate;
s5, filling the acrylic plate with the patterns to the pattern 1 part of the car lamp to finish the repair of the pattern part;
s6, cleaning and polishing the damaged part of the car lamp corner 2, and then attaching the heat-resistant adhesive tape 3 to the damaged part of the car lamp corner 2;
s7, casting the high polymer material into the heat-resistant adhesive tape 3, and curing and molding;
s8, removing the heat-resistant adhesive tape 3, and grinding and polishing corner positions.
Example 2
As shown in fig. 1 to 3, the present embodiment proposes
A vehicle lamp repairing and restoring process comprises the following steps:
s1, determining the damaged part of the automobile lamp, wherein the pattern 1 part of the automobile lamp is damaged;
s2, manufacturing a mold with patterns;
s3, uniformly coating the casting glue on the mold;
s4, adhering the acrylic plate on the mould coated with the glue, curing, and copying the patterns on the acrylic plate;
s5, filling the acrylic plate with the patterns to the pattern 1 part of the car lamp to finish the repair of the pattern part;
example 3
In comparison with example 2, a silicone mold was used for the pattern-making mold.
As shown in fig. 1 to 3, the present embodiment proposes
A vehicle lamp repairing and restoring process comprises the following steps:
s1, determining the damaged part of the automobile lamp, wherein the pattern 1 part of the automobile lamp is damaged;
s2, manufacturing a mold with patterns, pouring silica gel on the undamaged vehicle lamp pattern 1 part, and curing to obtain the mold with the patterns;
s3, uniformly coating the casting glue on the mold;
s4, adhering the acrylic plate on the mould coated with the glue, curing, and copying the patterns on the acrylic plate;
s5, filling the acrylic plate with the patterns to the pattern 1 part of the car lamp to finish the repair of the pattern part;
example 4
As shown in fig. 1 to 3, the present embodiment proposes
A vehicle lamp repairing and restoring process comprises the following steps:
s1, determining the damaged part of the automobile lamp, wherein the corner 2 part of the automobile lamp is damaged;
s6, attaching the heat-resistant adhesive tape 3 to the damaged position of the corner 2 of the car lamp;
s7, casting the high polymer material into the heat-resistant adhesive tape 3, and curing and molding;
s8, removing the heat-resistant adhesive tape 3, and grinding and polishing corner positions.
Example 5
Compared with the embodiment 4, before the heat-resistant adhesive tape 3 is adhered, polishing treatment is performed firstly, so that the adhesive force of the high polymer material is better, the formed repair is facilitated, and the attractiveness is better.
As shown in fig. 1 to 3, the present embodiment proposes
A vehicle lamp repairing and restoring process comprises the following steps:
s1, determining the damaged part of the automobile lamp, wherein the corner 2 part of the automobile lamp is damaged;
s6, cleaning and polishing the damaged part, and then attaching the heat-resistant adhesive tape 3 to the damaged position of the corner 2 of the car lamp;
s7, casting the high polymer material into the heat-resistant adhesive tape 3, and curing and molding;
s8, removing the heat-resistant adhesive tape 3, and grinding and polishing corner positions.
Example 6
As shown in fig. 1 to 3, the present embodiment proposes
A vehicle lamp repairing and restoring process comprises the following steps:
s1, determining the damaged part of the automobile lamp, wherein the corner 2 part of the automobile lamp is damaged;
s6, cleaning and polishing the damaged part, and then attaching the heat-resistant adhesive tape 3 to the damaged position of the corner 2 of the car lamp;
s7, casting a high polymer material into the heat-resistant adhesive tape 3, and curing and molding, wherein the high polymer material comprises the following components: 32-40 parts of methacrylate, 10-30 parts of epoxy resin, 10-30 parts of poly (trimethylhexamethylene terephthalamide) modified aliphatic amine, 15-28 parts of alicyclic amine, 15-25 parts of diluent, 2-3 parts of phthalic anhydride, 2-3 parts of cobalt isooctanoate and 2-3 parts of flatting agent;
s8, removing the heat-resistant adhesive tape 3, and grinding and polishing corner positions.
Example 7
As shown in fig. 1 to 3, the present embodiment proposes
A vehicle lamp repairing and restoring process comprises the following steps:
s1, determining the damaged part of the automobile lamp, wherein the corner 2 part of the automobile lamp is damaged;
s6, cleaning and polishing the damaged part, and then attaching the heat-resistant adhesive tape 3 to the damaged position of the corner 2 of the car lamp;
s7, casting a high polymer material into the heat-resistant adhesive tape 3, and curing and molding, wherein the high polymer material comprises the following components: 35 parts of methacrylate, 15 parts of epoxy resin, 20 parts of poly (trimethylhexamethylene terephthalamide) modified aliphatic amine, 18 parts of alicyclic amine, 20 parts of diluent, 2 parts of phthalic anhydride, 2 parts of cobalt isooctanoate and 2 parts of flatting agent;
s8, removing the heat-resistant adhesive tape 3, and grinding and polishing corner positions.
Comparative example 1
A vehicle lamp repairing and restoring process comprises the following steps:
a1, determining the damaged part of the automobile lamp, wherein the pattern 1 and the corner 2 of the automobile lamp are damaged;
b1, manually carving patterns on the acrylic plate;
c1, filling and adhering the engraved acrylic plate to the pattern part of the car lamp to complete the repair of the pattern part;
d1, cutting and polishing the acrylic plate into a shape matched with the damaged position of the car lamp corner 2;
e1, sticking the cut and polished acrylic plate to the damaged position;
f1, after the bonding is firm, grinding, flattening and polishing;
comparative example 2
A vehicle lamp repairing and restoring process comprises the following steps:
a2, determining the damaged part of the automobile lamp, wherein the pattern 1 part of the automobile lamp is damaged;
b2, manually carving patterns on the acrylic plate;
c2, filling and adhering the engraved acrylic plate to the pattern part of the car lamp to complete the repair of the pattern part;
comparative example 3
A vehicle lamp repairing and restoring process comprises the following steps:
a3, determining the damaged part of the automobile lamp, and damaging the corner 2 part of the automobile lamp;
b3, cutting and polishing the acrylic plate into a shape matched with the damaged position;
c3, sticking the tailored and polished acrylic plate to the damaged position;
d3, after the bonding is firm, grinding, flattening and polishing;
example 1 was compared with comparative example 1, both of which were the case where the pattern and the corner of the vehicular lamp were broken.
See table 1 for comparison:
in example 2 and example 3, the pattern of the vehicular lamp was damaged, compared with comparative example 2.
See table 2 for comparison:
example 4, example 5, example 6 and example 7 were compared with comparative example 3, all of which were the case of the corner breakage of the vehicle lamp.
See table 3 for comparison:
the invention provides a novel repairing process for the pattern position and the edge position of the car lamp, which is different from the conventional process thought and overcomes the technical problems in the field by a new method, and compared with the existing repairing method, the repairing method has the advantages of low difficulty, high efficiency and good repairing effect.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A vehicle lamp repairing and restoring process is characterized by comprising the following steps:
s1, determining the damaged part of the automobile lamp, the damaged part of the car lamp pattern (1) or the damaged part of the car lamp corner (2), carrying out the steps S2-S5 on the car lamp pattern (1), and carrying out the steps S6-S8 on the car lamp corner (2);
s2, manufacturing a mold with patterns;
s3, uniformly coating the casting glue on the mould;
s4, adhering the acrylic plate on the mould coated with the glue, curing, and copying patterns on the acrylic plate;
s5, filling the acrylic plate with the patterns to the pattern (1) part of the car lamp to finish the repair of the pattern part;
s6, attaching a heat-resistant adhesive tape (3) to the damaged position of the corner (2) of the car lamp;
s7, casting a high polymer material into the heat-resistant adhesive tape (3), and curing and molding;
s8, removing the heat-resistant adhesive tape (3), and grinding and polishing corner positions.
2. The vehicle lamp repairing and recovering process according to claim 1, wherein in step S2, the silica gel is poured on the undamaged portion of the vehicle lamp pattern (1) and cured to obtain the mold with the pattern.
3. The repairing and recovering process for vehicle lamp according to claim 1, wherein in step S6, before the heat-resistant tape (3) is adhered, the damaged portion is cleaned and polished.
4. The repair and restoration process for vehicle lamps according to claim 1, wherein in step S6, the polymer material comprises the following components: 32-40 parts of methacrylate, 10-30 parts of epoxy resin, 10-30 parts of poly (trimethylhexamethylene terephthalamide) modified aliphatic amine, 15-28 parts of alicyclic amine, 15-25 parts of diluent, 2-3 parts of curing agent, 2-3 parts of accelerator and 2-3 parts of flatting agent.
5. The repair and restoration process for vehicle lamps according to claim 1, wherein in step S6, the polymer material comprises the following components: 35 parts of methacrylate, 15 parts of epoxy resin, 20 parts of poly (trimethylhexamethylene terephthalamide) modified aliphatic amine, 18 parts of alicyclic amine, 20 parts of diluent, 2 parts of curing agent, 2 parts of accelerator and 2 parts of flatting agent.
6. The vehicle lamp repairing and restoration process according to claim 4, wherein the curing agent is phthalic anhydride.
7. The vehicle lamp repairing and restoring process according to claim 4, wherein the accelerator is cobalt isooctanoate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110134098.XA CN112959698A (en) | 2021-01-28 | 2021-01-28 | Vehicle lamp repairing and restoring process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110134098.XA CN112959698A (en) | 2021-01-28 | 2021-01-28 | Vehicle lamp repairing and restoring process |
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| Publication Number | Publication Date |
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| CN112959698A true CN112959698A (en) | 2021-06-15 |
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| CN202110134098.XA Pending CN112959698A (en) | 2021-01-28 | 2021-01-28 | Vehicle lamp repairing and restoring process |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1432498A (en) * | 2002-01-10 | 2003-07-30 | 北京中科普科技发展有限公司 | Renewing technique for non-metal parts in automobile |
| CN102127359A (en) * | 2011-01-26 | 2011-07-20 | 深圳市深赛尔实业有限公司 | Ultraviolet (UV) curable coating and preparation method thereof |
| CN104736373A (en) * | 2012-10-19 | 2015-06-24 | 旭化成化学株式会社 | Methacrylic resin-containing cover for vehicle members |
| CN106800855A (en) * | 2016-12-05 | 2017-06-06 | 敬旦材料科技（上海）有限公司 | A kind of anti-fog properties coating composition and its preparation method and application method |
| CN111516286A (en) * | 2020-04-29 | 2020-08-11 | 河北弼学企业管理咨询有限公司 | Vehicle lamp repairing method |
-
2021
- 2021-01-28 CN CN202110134098.XA patent/CN112959698A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1432498A (en) * | 2002-01-10 | 2003-07-30 | 北京中科普科技发展有限公司 | Renewing technique for non-metal parts in automobile |
| CN102127359A (en) * | 2011-01-26 | 2011-07-20 | 深圳市深赛尔实业有限公司 | Ultraviolet (UV) curable coating and preparation method thereof |
| CN104736373A (en) * | 2012-10-19 | 2015-06-24 | 旭化成化学株式会社 | Methacrylic resin-containing cover for vehicle members |
| CN106800855A (en) * | 2016-12-05 | 2017-06-06 | 敬旦材料科技（上海）有限公司 | A kind of anti-fog properties coating composition and its preparation method and application method |
| CN111516286A (en) * | 2020-04-29 | 2020-08-11 | 河北弼学企业管理咨询有限公司 | Vehicle lamp repairing method |
Non-Patent Citations (1)
| Title |
|---|
| 袁军平等: "《流行饰品材料及生产工艺》", 30 June 2015, 中国地质大学出版社 * |
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