CN104607372A - Construction technology of ultraviolet (UV) curable paint in odorless coating of wood furniture - Google Patents
Construction technology of ultraviolet (UV) curable paint in odorless coating of wood furniture Download PDFInfo
- Publication number
- CN104607372A CN104607372A CN201310540123.XA CN201310540123A CN104607372A CN 104607372 A CN104607372 A CN 104607372A CN 201310540123 A CN201310540123 A CN 201310540123A CN 104607372 A CN104607372 A CN 104607372A
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- Prior art keywords
- clean taste
- roller coat
- clean
- adopt
- dry
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- 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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- 238000000576 coating method Methods 0.000 title claims abstract description 26
- 239000011248 coating agent Substances 0.000 title claims abstract description 24
- 239000003973 paint Substances 0.000 title claims abstract description 22
- 238000005516 engineering process Methods 0.000 title claims abstract description 11
- 239000002023 wood Substances 0.000 title claims abstract description 11
- 238000010276 construction Methods 0.000 title claims abstract description 9
- 230000009965 odorless effect Effects 0.000 title abstract 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 23
- 230000000694 effects Effects 0.000 claims abstract description 11
- 238000007603 infrared drying Methods 0.000 claims abstract description 9
- 238000004040 coloring Methods 0.000 claims abstract description 6
- 238000010422 painting Methods 0.000 claims description 18
- 239000007787 solid Substances 0.000 claims description 12
- 239000008236 heating water Substances 0.000 claims description 10
- 230000037452 priming Effects 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 7
- 238000005498 polishing Methods 0.000 claims description 5
- 238000002203 pretreatment Methods 0.000 claims description 5
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 5
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000007761 roller coating Methods 0.000 abstract 3
- 239000000428 dust Substances 0.000 abstract 1
- 239000002131 composite material Substances 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 230000008676 import Effects 0.000 description 4
- 238000005491 wire drawing Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Abstract
The invention relates to a construction technology of ultraviolet (UV) curable paint in odorless coating of wood furniture. The construction technology is characterized by comprising the steps of: (1) pretreatment of materials; (2) water-based bottom coloring; (3) infrared drying; (4) roller coating of UV odorless putty; (5) UV semi-curing; (6) roller coating of UV odorless primer; (7) UV all-curing; (8) sanding and dust removal; (9) roller coating of odorless UV water-based finish paint; (10) infrared drying; and (11) UV all-curing and obtaining of finished products. The construction technology has the advantages of environmental protection, no pollution, no VOC, high production efficiency, little odor of furniture finished products, excellent paint film mechanical performance and excellent surface effect.
Description
Technical field
The present invention relates to the coating material solidified construction technology in the application of clean taste wood furniture of a kind of ultraviolet light (UV).
Background technology
Along with the progress of the development of modern social economy, technology, the raising day by day of people's level of consumption.Consumer group to consumer products environmental protection, pollution-free in requirement further strict.Particularly for traditional coating products, can produce a large amount of VOC in coating process, not only environmental pollution is serious, and residual organic volatile confrontation human body also injures to some extent.So adopting novel environment friendly coating (UV coating, UV water paint) and inventing a kind of Novel coating technique carries out reasonably combined just particularly important.
Summary of the invention
The present invention can produce a large amount of VOC in order to solve traditional coating products in coating process, not only environmental pollution is serious, and the problem that residual organic volatile confrontation human body also injures to some extent, there is provided a kind of ultraviolet light (UV) the coating material solidified construction technology in the clean taste application of wood furniture, the present invention designs the coating material solidified construction technology in the application of clean taste wood furniture of ultraviolet light (UV), it is characterized in that being made up of the following step:
(1) material pre-treatment: adopt 240# to be that dry sanding paper polishes flat, dedusting is clean; According to the difference of painting effect, conduit can be carried out expand step, (being commonly called as: wire drawing) before polishing; (note: except solid wood base material, the base material requires such as lagging, composite plate, MDF adopt import glue, reduce material smell.）
(2) water-based bottom coloring: adopt clean taste water-based UV pigmented base, the clean taste nano color paste of collocation water-based,
(3) infrared baking: heat to being carried out surface by painting workpiece with infrared drying device, temperature 50 ~ 70 DEG C, dries 3 ~ 4min,
(4) roller coat UV clean taste putty: the clean taste putty of roller coat UV, heating water bath between 30-40 DEG C,
(5) UV semi-solid preparation: uv cure machine UV semi-solid preparation, energy is adjusted to 80-120mj/m
2between,
(6) roller coat UV clean taste priming paint: the clean taste priming paint of roller coat UV, heating water bath between 25-30 DEG C,
(7) UV all solidstate: uv cure machine UV all solidstate, energy is adjusted to 240-260mj/m
2between,
(8) sanding dedusting: 320#/400 silicon carbide paper, polish flat, dedusting is clean, step (4), (5), (6), (7) operation can increase according to painting effect difference or reduce,
(9) clean taste UV aqueous finish paint: under normal temperature (25 DEG C), showering, roller coat or spraying application UV aqueous finish paint,
(10) infrared baking: with infrared drying device, carry out drying and processing to by painting surface of the work, adopt gradient increased temperature to dry 4-6min, require: dry between 30-35 DEG C to dry between 1-2min, 70-75 DEG C between 1-2min, 45-50 DEG C and dry 1-2min, moisture is fully volatilized
(11) UV all solidstate: uv cure machine UV all solidstate, energy is adjusted to 400-450mj/m
2between, obtain finished product.
Advantage of the present invention is environmental protection, pollution-free, VOC free, and production efficiency is high, and furniture finished product smell is extremely low, and paint film mechanical performance is excellent, and surface effect is excellent.
Below in conjunction with example, the present invention is elaborated.
Detailed description of the invention
Embodiment 1:
(1) material pre-treatment: adopt 240# to be that dry sanding paper polishes flat, dedusting is clean.According to the difference of painting effect, conduit can be carried out expand step, (being commonly called as: wire drawing) before polishing; (note: except solid wood base material, the base material requires such as lagging, composite plate, MDF adopt import glue, reduce material smell.）
(2) water-based bottom coloring: adopt clean taste water-based UV pigmented base ZW, the clean taste nano color paste ZW of water-based that Shanghai Fuchen Chemical Co., Ltd produces, coating weight: 30g/m
2, also can adopt similar clean taste water-based UV pigmented base, the clean taste nano color paste of water-based that market is sold,
(3) infrared baking: heating to 50 DEG C to being carried out surface by painting workpiece, drying 3min,
(4) roller coat UV clean taste putty: adopt the roller coat UV clean taste putty FU63105 that Shanghai Fuchen Chemical Co., Ltd produces, coating weight is at 20g/m
2, between heating water bath to 30 DEG C, also can adopt the clean taste putty of similar roller coat UV that market is sold,
(5) UV semi-solid preparation: uv cure machine UV semi-solid preparation, energy is adjusted to 80mj/m
2,
(6) roller coat UV clean taste priming paint: adopt the roller coat UV clean taste putty FU43125 that Shanghai Fuchen Chemical Co., Ltd produces, coating weight is at 25g/m
2, heating water bath to 25 DEG C, also can adopt the clean taste putty of similar roller coat UV that market is sold,
(7) UV all solidstate: uv cure machine UV all solidstate, energy is adjusted to 240mj/m
2,
(8) sanding dedusting: 320# silicon carbide paper, polish flat, dedusting is clean, above-mentioned step (4), (5), (6), (7) operation can increase according to painting effect difference or reduce,
(9) clean taste UV aqueous finish paint is sprayed: adopt the spraying water-based UV finish paint FW53307 that Shanghai Fuchen Chemical Co., Ltd produces, coating weight is at 80g/m
2, also can adopt the similar spraying water-based UV finish paint that market is sold, normal temperature less than 25 DEG C, showering, roller coat, spraying.
(10) infrared baking: with infrared drying device, carry out drying and processing to by painting surface of the work, adopt gradient increased temperature to dry 4min, require: dry 1min between 30 DEG C, dry 1min between 45 DEG C, dry 1min between 70 DEG C, moisture is fully volatilized
(11) UV all solidstate: uv cure machine, energy is adjusted to 400mj/m
2, finished product.
Embodiment 2:
(1) material pre-treatment: adopt 240# to be that dry sanding paper polishes flat, dedusting is clean.According to the difference of painting effect, conduit can be carried out expand step, (being commonly called as: wire drawing) before polishing; (note: except solid wood base material, the base material requires such as lagging, composite plate, MDF adopt import glue, reduce material smell.）
(2) water-based bottom coloring: adopt clean taste water-based UV pigmented base ZW, the clean taste nano color paste ZW of water-based that Shanghai Fuchen Chemical Co., Ltd produces, coating weight: 50g/m
2, also can adopt the similar clean taste water-based UV pigmented base that market is sold,
(3) infrared baking: heating to 70 DEG C to being carried out surface by painting workpiece, drying 4min,
(4) roller coat UV clean taste putty: adopt the roller coat UV clean taste putty FU63105 that Shanghai Fuchen Chemical Co., Ltd produces, coating weight is at 30g/m
2, heating water bath to 40 DEG C, also can adopt the clean taste putty of similar roller coat UV that market is sold,
(5) UV semi-solid preparation: uv cure machine, energy is adjusted to 120mj/m
2,
(6) roller coat UV clean taste priming paint: adopt the roller coat UV clean taste putty FU43125 that Shanghai Fuchen Chemical Co., Ltd produces, coating weight is at 30g/m
2, heating water bath to 30 DEG C, also can adopt the clean taste putty of similar roller coat UV that market is sold,
(7) UV all solidstate: uv cure machine, energy is adjusted to 260mj/m
2between,
(8) sanding dedusting: 320# silicon carbide paper, polish flat, dedusting is clean, above-mentioned step (4), (5), (6), (7) operation can increase according to painting effect difference or reduce,
(9) roller coat UV clean taste priming paint: adopt the roller coat UV clean taste putty FU43125 that Shanghai Fuchen Chemical Co., Ltd produces, coating weight is at 30g/m
2, normal temperature less than 25 DEG C, showering, roller coat, spraying, also can adopt the clean taste putty of similar roller coat UV that market is sold,
(10) infrared baking: with infrared drying device, carry out drying and processing to by painting surface of the work, adopt gradient increased temperature to dry 6min, require: dry 2min between 35 DEG C, dry 1-2min between 50 DEG C, dry 2min between 75 DEG C, moisture is fully volatilized
(11) UV all solidstate: uv cure machine, energy is adjusted to 400-450mj/m
2between, finished product.
Embodiment 3:
(1) material pre-treatment: adopt 240# to be that dry sanding paper polishes flat, dedusting is clean.According to the difference of painting effect, conduit can be carried out expand step, (being commonly called as: wire drawing) before polishing; (note: except solid wood base material, the base material requires such as lagging, composite plate, MDF adopt import glue, reduce material smell.）
(2) water-based bottom coloring: adopt clean taste water-based UV pigmented base FW43367, the clean taste nano color paste of water-based that Shanghai Fuchen Chemical Co., Ltd produces, coating weight: 40g/m
2, also can adopt similar clean taste water-based UV pigmented base, the clean taste nano color paste of water-based that market is sold,
(3) infrared baking: heating to 60 DEG C to being carried out surface by painting workpiece, drying 4min,
(4) roller coat UV clean taste putty: adopt the roller coat UV clean taste putty FU63105 that Shanghai Fuchen Chemical Co., Ltd produces, coating weight is at 25g/m
2, heating water bath to 35 DEG C, also can adopt the clean taste putty of similar roller coat UV that market is sold,
(5) UV semi-solid preparation: uv cure machine, energy is adjusted to 100mj/m
2,
(6) roller coat UV clean taste priming paint: adopt the roller coat UV clean taste putty FU43125 that Shanghai Fuchen Chemical Co., Ltd produces, coating weight is at 25g/m
2, heating water bath to 28 DEG C, also can adopt the clean taste putty of similar roller coat UV that market is sold,
(7) UV all solidstate: uv cure machine, energy is adjusted to 250mj/m
2,
(8) sanding dedusting: 320#/400 silicon carbide paper, polish flat, dedusting is clean, above-mentioned step (4), (5), (6), (7) operation can increase according to painting effect difference or reduce,
(9) roller coat UV clean taste priming paint: adopt the roller coat UV clean taste putty FU43125 that Shanghai Fuchen Chemical Co., Ltd produces, coating weight is at 25g/m
2, normal temperature less than 25 DEG C, showering, roller coat, spraying, also can adopt the clean taste putty of similar roller coat UV that market is sold,
(10) infrared baking: with infrared drying device, carried out drying and processing to being coated with surface of the work, employing gradient increased temperature dries 5min, requires: dry 2min, 48 DEG C of oven dry 1min, 73 DEG C of oven dry 1min, moisture is fully volatilized for 32 DEG C,
(11) UV all solidstate: uv cure machine, energy is adjusted to 430mj/m
2, finished product.
Claims (1)
1. the coating material solidified construction technology in the application of clean taste wood furniture of ultraviolet light (UV), is characterized in that being made up of the following step:
(1) material pre-treatment: adopt 240# to be that dry sanding paper polishes flat, dedusting is clean; According to the difference of painting effect, conduit can be carried out expand step before polishing,
(2) water-based bottom coloring: adopt clean taste water-based UV pigmented base, the clean taste nano color paste of collocation water-based,
(3) infrared baking: heat to being carried out surface by painting workpiece with infrared drying device, temperature 50 ~ 70 DEG C, dries 3 ~ 4min,
(4) roller coat UV clean taste putty: the clean taste putty of roller coat UV, heating water bath between 30-40 DEG C,
(5) UV semi-solid preparation: uv cure machine UV semi-solid preparation, energy is adjusted to 80-120mj/m
2between,
(6) roller coat UV clean taste priming paint: the clean taste priming paint of roller coat UV, heating water bath between 25-30 DEG C,
(7) UV all solidstate: uv cure machine UV all solidstate, energy is adjusted to 240-260mj/m
2between,
(8) sanding dedusting: 320#/400 silicon carbide paper, polishes flat, dedusting is clean,
(9) clean taste UV aqueous finish paint: under normal temperature (25 DEG C), showering, roller coat or spraying application UV aqueous finish paint,
(10) infrared baking: with infrared drying device, carry out drying and processing to by painting surface of the work, adopt gradient increased temperature to dry 4-6min, require: dry between 30-35 DEG C to dry between 1-2min, 70-75 DEG C between 1-2min, 45-50 DEG C and dry 1-2min, moisture is fully volatilized
(11) UV all solidstate: uv cure machine UV all solidstate, energy is adjusted to 400-450mj/m
2between, obtain finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310540123.XA CN104607372B (en) | 2013-11-05 | 2013-11-05 | Construction technology of ultraviolet (UV) curable paint in odorless coating of wood furniture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310540123.XA CN104607372B (en) | 2013-11-05 | 2013-11-05 | Construction technology of ultraviolet (UV) curable paint in odorless coating of wood furniture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104607372A true CN104607372A (en) | 2015-05-13 |
| CN104607372B CN104607372B (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310540123.XA Active CN104607372B (en) | 2013-11-05 | 2013-11-05 | Construction technology of ultraviolet (UV) curable paint in odorless coating of wood furniture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104607372B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106179921A (en) * | 2016-08-30 | 2016-12-07 | 昆山市白玉兰家具有限公司 | A kind of coating process of water-borne wood coating |
| CN109909137A (en) * | 2017-12-13 | 2019-06-21 | 惠州市长润发涂料有限公司 | A kind of plate timber UV coating construction process |
| CN111570230A (en) * | 2020-05-26 | 2020-08-25 | 梦天家居集团股份有限公司 | Roller coating process for UV primer and UV finishing coat |
| CN111701818A (en) * | 2020-06-30 | 2020-09-25 | 浙江喜盈门家居科技股份有限公司 | Environment-friendly water-based UV curing paint roller coating process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179359A (en) * | 2011-05-10 | 2011-09-14 | 上海富臣化工有限公司 | Roller-coating construction method of ultraviolet light-cured coating melamine veneer |
| CN102806182A (en) * | 2011-06-02 | 2012-12-05 | 上海富臣化工有限公司 | Construction process for ultraviolet-light white ground shower coating |
| CN102861708A (en) * | 2011-07-05 | 2013-01-09 | 上海富臣化工有限公司 | UV (ultraviolet) roller painting teak skinning oil-sealing coating construction process |
| CN102886346A (en) * | 2011-07-19 | 2013-01-23 | 上海富臣化工有限公司 | Ultraviolet light (UV) cured coating pine oil seal roller-coat coating construction technology |
-
2013
- 2013-11-05 CN CN201310540123.XA patent/CN104607372B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179359A (en) * | 2011-05-10 | 2011-09-14 | 上海富臣化工有限公司 | Roller-coating construction method of ultraviolet light-cured coating melamine veneer |
| CN102806182A (en) * | 2011-06-02 | 2012-12-05 | 上海富臣化工有限公司 | Construction process for ultraviolet-light white ground shower coating |
| CN102861708A (en) * | 2011-07-05 | 2013-01-09 | 上海富臣化工有限公司 | UV (ultraviolet) roller painting teak skinning oil-sealing coating construction process |
| CN102886346A (en) * | 2011-07-19 | 2013-01-23 | 上海富臣化工有限公司 | Ultraviolet light (UV) cured coating pine oil seal roller-coat coating construction technology |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106179921A (en) * | 2016-08-30 | 2016-12-07 | 昆山市白玉兰家具有限公司 | A kind of coating process of water-borne wood coating |
| CN106179921B (en) * | 2016-08-30 | 2019-02-19 | 昆山市白玉兰家具有限公司 | A kind of coating process of water-borne wood coating |
| CN109909137A (en) * | 2017-12-13 | 2019-06-21 | 惠州市长润发涂料有限公司 | A kind of plate timber UV coating construction process |
| CN111570230A (en) * | 2020-05-26 | 2020-08-25 | 梦天家居集团股份有限公司 | Roller coating process for UV primer and UV finishing coat |
| CN111701818A (en) * | 2020-06-30 | 2020-09-25 | 浙江喜盈门家居科技股份有限公司 | Environment-friendly water-based UV curing paint roller coating process |
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| Publication number | Publication date |
|---|---|
| CN104607372B (en) | 2017-02-08 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 8555 No. 201707 Shanghai city Qingpu District Songze Avenue Applicant after: SHANGHAI ZHANCHEN PAINT Co.,Ltd. Applicant after: ZHANCHEN PAINT GROUP Co.,Ltd. Applicant after: Beijing Zhanchen Chemical Co.,Ltd. Applicant after: QINGDAO ZHANCHEN NEW MATERIAL Co.,Ltd. Applicant after: CHENGDU ZHANCHEN CHEMICAL Co.,Ltd. Address before: 8555 No. 201707 Shanghai city Qingpu District Songze Avenue Applicant before: Shanghai Vision Chemical Co.,Ltd. Applicant before: ZHANCHEN PAINT GROUP Co.,Ltd. Applicant before: Beijing Zhanchen Chemical Co.,Ltd. Applicant before: QINGDAO VISION CHEMICALS CO.,LTD. Applicant before: CHENGDU ZHANCHEN CHEMICAL Co.,Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: SHANGHAI FUCHEN CHEMICAL CO. LTD. TO: SHANGHAI ZHANCHEN PAINT CO., LTD. Free format text: CORRECT: APPLICANT; FROM: ZHANCHEN COATINGS GROUP CO., LTD. BEIJING ZHANCHEN CHEMICAL INDUSTRY CO., LTD. QINGDAO VISION CHEMICAL CO., LTD. CHENGDU ZHANCHEN CHEMICAL CO., LTD. TO: ZHANCHEN COATINGS GROUP CO., LTD. BEIJING ZHANCHEN CHEMICAL INDUSTRY CO., LTD. QINGDAO ZHANCHEN NEW MATERIAL CO., LTD. CHENGDU ZHANCHEN CHEMICAL CO., LTD. |
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| CB02 | Change of applicant information |
Address after: 8555 No. 201707 Shanghai city Qingpu District Songze Avenue Applicant after: SHANGHAI ZHANCHEN PAINT Co.,Ltd. Applicant after: China Zhanchen New Materials Group Co.,Ltd. Applicant after: BEIJING ZHANCHEN NEW MATERIAL Co.,Ltd. Applicant after: QINGDAO ZHANCHEN NEW MATERIAL Co.,Ltd. Applicant after: CHENGDU ZHANCHEN PAINTS Co.,Ltd. Address before: 8555 No. 201707 Shanghai city Qingpu District Songze Avenue Applicant before: SHANGHAI ZHANCHEN PAINT Co.,Ltd. Applicant before: ZHANCHEN PAINT GROUP Co.,Ltd. Applicant before: Beijing Zhanchen Chemical Co.,Ltd. Applicant before: QINGDAO ZHANCHEN NEW MATERIAL Co.,Ltd. Applicant before: CHENGDU ZHANCHEN CHEMICAL Co.,Ltd. |
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Address after: 201799 8555 Songze Avenue, Qingpu District, Shanghai Co-patentee after: China Zhanchen New Materials Group Co.,Ltd. Patentee after: SHANGHAI ZHANCHEN PAINT Co.,Ltd. Co-patentee after: Beijing zhanchen Intelligent Property Management Co.,Ltd. Co-patentee after: QINGDAO ZHANCHEN NEW MATERIAL Co.,Ltd. Co-patentee after: CHENGDU ZHANCHEN PAINTS Co.,Ltd. Address before: 8555 No. 201707 Shanghai city Qingpu District Songze Avenue Co-patentee before: China Zhanchen New Materials Group Co.,Ltd. Patentee before: SHANGHAI ZHANCHEN PAINT Co.,Ltd. Co-patentee before: BEIJING ZHANCHEN NEW MATERIAL Co.,Ltd. Co-patentee before: QINGDAO ZHANCHEN NEW MATERIAL Co.,Ltd. Co-patentee before: CHENGDU ZHANCHEN PAINTS Co.,Ltd. |
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Effective date of registration: 20200720 Address after: 201799 8555 Songze Avenue, Qingpu District, Shanghai Co-patentee after: Zhuhai zhanchen New Material Co.,Ltd. Patentee after: SHANGHAI ZHANCHEN PAINT Co.,Ltd. Co-patentee after: QINGDAO ZHANCHEN NEW MATERIAL Co.,Ltd. Co-patentee after: CHENGDU ZHANCHEN PAINTS Co.,Ltd. Address before: 201799 8555 Songze Avenue, Qingpu District, Shanghai Co-patentee before: China Zhanchen New Materials Group Co.,Ltd. Patentee before: SHANGHAI ZHANCHEN PAINT Co.,Ltd. Co-patentee before: Beijing zhanchen Intelligent Property Management Co.,Ltd. Co-patentee before: QINGDAO ZHANCHEN NEW MATERIAL Co.,Ltd. Co-patentee before: CHENGDU ZHANCHEN PAINTS Co.,Ltd. |