TWM592392U - Carbon fiber product with scratch-resistant hydrophobic layer structure - Google Patents
Carbon fiber product with scratch-resistant hydrophobic layer structure Download PDFInfo
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- TWM592392U TWM592392U TW108210983U TW108210983U TWM592392U TW M592392 U TWM592392 U TW M592392U TW 108210983 U TW108210983 U TW 108210983U TW 108210983 U TW108210983 U TW 108210983U TW M592392 U TWM592392 U TW M592392U
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- 230000002209 hydrophobic effect Effects 0.000 title claims abstract description 58
- 230000003678 scratch resistant effect Effects 0.000 title claims abstract description 41
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 39
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 39
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 239000007789 gas Substances 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 239000000178 monomer Substances 0.000 claims description 11
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 9
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 9
- 229910000077 silane Inorganic materials 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 9
- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 5
- 238000007747 plating Methods 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 210000002381 plasma Anatomy 0.000 description 16
- 238000000151 deposition Methods 0.000 description 12
- 238000000576 coating method Methods 0.000 description 10
- 230000008021 deposition Effects 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- UQEAIHBTYFGYIE-UHFFFAOYSA-N hexamethyldisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)C UQEAIHBTYFGYIE-UHFFFAOYSA-N 0.000 description 3
- 238000001771 vacuum deposition Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000000711 cancerogenic effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical class FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- UHUUYVZLXJHWDV-UHFFFAOYSA-N trimethyl(methylsilyloxy)silane Chemical compound C[SiH2]O[Si](C)(C)C UHUUYVZLXJHWDV-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 210000000750 endocrine system Anatomy 0.000 description 1
- 210000003754 fetus Anatomy 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 125000003709 fluoroalkyl group Chemical group 0.000 description 1
- -1 fluorocarbon compound Chemical class 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- JQOAQUXIUNVRQW-UHFFFAOYSA-N hexane Chemical compound CCCCCC.CCCCCC JQOAQUXIUNVRQW-UHFFFAOYSA-N 0.000 description 1
- 230000005661 hydrophobic surface Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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- Laminated Bodies (AREA)
Abstract
一種具抗刮疏水層結構的碳纖維製品，其包含一碳纖維層；以及一第一抗刮疏水層與一第二抗刮疏水層，該抗刮疏水層層疊於該碳纖維層至少局部表面；其中：該第一與第二抗刮疏水層係用常壓低溫電漿沈積於該碳纖維層之表面；本新型利用常壓低溫電漿進行製備抗刮疏水層，使得沈積之抗刮疏水層得以牢固地附著於物體表面，不易被刮除或損壞，且運用常壓低溫電漿之鍍層技術，可大幅降低製造成本，再透過控制抗刮疏水層之化學鍵結成分，使其材料間產生緊密的有機化學鍵結，使得其具有可撓曲特性，不易因為彎曲或彎折而產生龜裂或裂痕，適用於需要可撓曲特性之產品，增加本新型的應用範疇。A carbon fiber product with a scratch-resistant hydrophobic layer structure, comprising a carbon fiber layer; and a first scratch-resistant hydrophobic layer and a second scratch-resistant hydrophobic layer, the scratch-resistant hydrophobic layer laminated on at least a part of the surface of the carbon fiber layer; wherein: The first and second anti-scratch hydrophobic layers are deposited on the surface of the carbon fiber layer using atmospheric pressure low-temperature plasma; the present invention uses atmospheric low-temperature plasma to prepare the anti-scratch hydrophobic layer, so that the deposited anti-scratch hydrophobic layer can be firmly Attached to the surface of the object, it is not easy to be scraped or damaged, and the use of atmospheric pressure low temperature plasma plating technology can greatly reduce the manufacturing cost, and then by controlling the chemical bonding component of the scratch-resistant hydrophobic layer, it produces tight organic chemical bonds between the materials As a result, it has flexible characteristics, and is not easy to crack or crack due to bending or bending. It is suitable for products that require flexible characteristics and increases the scope of application of this new type.
Description
一種碳纖維製品，特別是一種具抗刮疏水層結構的碳纖維製品。A carbon fiber product, especially a carbon fiber product with a scratch-resistant hydrophobic layer structure.
為了使產品更為耐用與延長使用壽命，業者會在產品表面鍍製能抗刮耐磨的鍍層，例如廚房用具為了達到不沾、避免金屬生鏽或是在反覆使用的過程中造成物體表面刮損等目的，通常會在物體表面塗製不沾、防鏽或防刮塗層，此類塗層多數含有氟烷化合物。In order to make the product more durable and prolong its service life, the manufacturer will coat the product surface with a scratch-resistant and wear-resistant coating, such as kitchen utensils in order to achieve non-stick, avoid metal rust, or cause the surface of the object to be scratched during repeated use. For damage and other purposes, non-stick, anti-rust or anti-scratch coatings are usually applied to the surface of objects. Most of these coatings contain fluorocarbon compounds.
目前已發展出利用電漿產生鍍層的技術，多數採用低氣壓真空鍍膜製程，但所製得鍍膜之抗刮疏水性普遍不佳，且低氣壓電漿製造成本較高，而抽真空產生低氣壓狀態則極為費時。前述低氣壓真空鍍膜製程之鍍膜不僅抗刮疏水性不佳外，並較不具備可撓曲特性，彎折後容易出現龜裂或裂痕，多數僅能使用於玻璃或金屬等不具備撓曲性之硬質基板，應用性相對不足。At present, the technology of using plasma to produce coatings has been developed. Most of them use low-pressure vacuum coating processes, but the resulting coatings generally have poor scratch resistance and hydrophobicity, and low-pressure plasmas have higher manufacturing costs, and vacuuming generates low pressure The state is extremely time-consuming. The coating of the aforementioned low-pressure vacuum coating process not only has poor scratch resistance and hydrophobicity, but also has less flexibility. It is prone to cracks or cracks after bending. Most can only be used for glass or metal without flexibility. The hard substrate is relatively inapplicable.
再者，塗層中所含的氟烷化合物成分進入人體或是環境中，可能干擾人體或生物內分泌系統，甚至影響胎兒及孩童的智能體格的發育。國際癌症研究署也將此種氟烷化合物歸為可能對人類有致癌性的第2B級致癌物。In addition, the fluorocarbon compounds contained in the coating enter the human body or the environment, which may interfere with the human body or the biological endocrine system, and even affect the development of the fetus and children's intelligent physique. The International Agency for Research on Cancer has also classified this fluorocarbon compound as a Class 2B carcinogen that may be carcinogenic to humans.
因此有必要發展出另一種無氟的鍍層技術來改善前揭既有技術之缺陷。Therefore, it is necessary to develop another fluorine-free coating technology to improve the defects of the existing technology.
為了解決目前低氣壓真空鍍膜製程的缺點，以及塗層中含氟化合物可能對人體或環境造成危害，本新型提供一種具抗刮疏水效果的碳纖維製品，其包含一碳纖維層；一第一抗刮疏水層與一第二抗刮疏水層，該抗刮疏水層層疊於該碳纖維層至少局部表面；其中：該第一與第二抗刮疏水層係用常壓低溫電漿沈積於該碳纖維層之表面。In order to solve the shortcomings of the current low-pressure vacuum coating process, and the fluorine-containing compounds in the coating may cause harm to the human body or the environment, the present invention provides a carbon fiber product with anti-scratch and hydrophobic effect, which includes a carbon fiber layer; a first anti-scratch A hydrophobic layer and a second scratch-resistant hydrophobic layer, the scratch-resistant hydrophobic layer is laminated on at least a part of the surface of the carbon fiber layer; wherein: the first and second scratch-resistant hydrophobic layers are deposited on the carbon fiber layer using atmospheric low temperature plasma surface.
其中，該碳纖維層係為電子產品之外殼。Among them, the carbon fiber layer is the shell of the electronic product.
其中，該電子產品包含手機、平板或電腦。Among them, the electronic products include mobile phones, tablets or computers.
其中，該第一與第二抗刮疏水層包含一有機含碳矽烷之氣體、液體或溶液態單體。Wherein, the first and second scratch-resistant hydrophobic layers include an organic carbon-containing silane-containing gas, liquid or solution monomer.
較佳地，該有機含碳矽烷之氣體、液體或溶液態單體進一步包含氧為有機含碳矽氧烷之氣體、液體或溶液態單體。Preferably, the organic carbon-containing silane-containing gas, liquid or solution monomer further comprises a gas, liquid or solution-type monomer whose oxygen is organic carbon-containing siloxane.
較佳地，該有機含碳矽烷之氣體、液體或溶液態單體包含四甲基二矽氧烷氣體、六甲基二矽氧烷或正己烷。Preferably, the organic carbon-containing silane-containing gas, liquid or solution monomer comprises tetramethyldisilaxane gas, hexamethyldisilaxane or n-hexane.
藉由上述說明可知，本新型具備以下優點：It can be seen from the above description that the new model has the following advantages:
1. 本新型利用常壓低溫電漿進行表面處理與鍍製，使得沈積之抗刮疏水層得以牢固地附著於物體表面，不易被刮除或損壞，且本新型運用常壓低溫電漿之鍍層技術，可大幅降低製造成本，因此克服習知技術之缺失。1. The new type uses atmospheric pressure low temperature plasma for surface treatment and plating, so that the deposited anti-scratch hydrophobic layer can be firmly attached to the surface of the object, which is not easy to be scraped or damaged, and the new type uses atmospheric pressure low temperature plasma plating Technology can significantly reduce manufacturing costs, thus overcoming the lack of conventional technology.
2. 本發明的鍍層中不含氟烷化物，且透過控制抗刮疏水層之化學鍵結成分，使其沈積時可產生緊密的有機化學鍵結，使得該抗刮疏水層具有可撓曲特性，不易產生龜裂或裂痕，適用於需要可撓曲特性之產品，例如碳纖維板片材所製之3C電子產品外殼，增加本發明的應用範疇，更因不含氟烷化物，可達到人體安全與環境友善之效果。2. The plating layer of the present invention does not contain fluoroalkane, and by controlling the chemical bonding components of the scratch-resistant hydrophobic layer, it can produce tight organic chemical bonding during deposition, making the scratch-resistant hydrophobic layer flexible, not easy Cracks or cracks are generated, which is suitable for products requiring flexible characteristics, such as 3C electronic product shells made of carbon fiber sheet, which increases the scope of application of the present invention, and because it does not contain fluoroalkyl compounds, it can achieve human safety and the environment Friendly effect.
請參考圖1，本新型提供一種具抗刮疏水層結構的碳纖維製品，其依序包含層疊之一碳纖維層M、一第一抗刮疏水層L1以及一第二抗刮疏水層L2，該第一與第二抗刮疏水層L1、L2層疊於該碳纖維層M至少局部表面。Please refer to FIG. 1, the present invention provides a carbon fiber product with a scratch-resistant hydrophobic layer structure, which sequentially includes a carbon fiber layer M laminated, a first scratch-resistant hydrophobic layer L1 and a second scratch-resistant hydrophobic layer L2. A second anti-scratch hydrophobic layer L1, L2 is laminated on at least a part of the surface of the carbon fiber layer M.
而本新型該第一與第二抗刮疏水層L1、L2鍍製於該碳纖維層M的表面方法，較佳是利用常壓低溫電漿鍍製方法，其步驟包含：In the novel method, the first and second scratch-resistant hydrophobic layers L1, L2 are plated on the surface of the carbon fiber layer M, preferably using a normal pressure low temperature plasma plating method, and the steps include:
清潔待處理之該碳纖維層M表面；此清潔步驟為非必要之步驟，可實施或可不實施，視該碳纖維層M表面之狀態而定。Clean the surface of the carbon fiber layer M to be treated; this cleaning step is an unnecessary step and may or may not be performed, depending on the state of the surface of the carbon fiber layer M.
抗刮疏水層第一階段沈積：將該碳纖維層M以常壓低溫電漿形式將第該抗刮疏水層L1沈積於該碳纖維層M表面。本新型所提供之沈積方法較佳係首先通入一壓縮(高壓)空氣於一電漿頭中，透過該電漿頭之該壓縮空氣經常壓電漿源產生電漿噴流(plasma jet)，並同時通入第一有機含碳矽烷之氣體或液體，使該第一抗刮疏水層L1形成於該碳纖維層M。該壓縮空氣較佳去除其空氣中所含濕度後再通入該電漿頭中能避免濕度水氣與後續沈積之單體或氣體產生反應而影響沈積效果。First-stage deposition of the scratch-resistant hydrophobic layer: The carbon fiber layer M is deposited on the surface of the carbon fiber layer M in the form of atmospheric low-temperature plasma. The deposition method provided by the present invention preferably first passes a compressed (high-pressure) air into a plasma head, the compressed air passing through the plasma head often generates a plasma jet from a piezoelectric plasma source, and At the same time, the first organic carbon-containing silane gas or liquid is introduced to form the first scratch-resistant hydrophobic layer L1 on the carbon fiber layer M. The compressed air preferably removes the humidity contained in the air and then passes into the plasma head to prevent the moisture vapor from reacting with the subsequently deposited monomer or gas to affect the deposition effect.
抗刮疏水層第二階段沈積：前述第一階段處理後之該碳纖維層M同樣利用常壓低溫電漿將第二有機含碳矽烷之氣體或液體沉積於該第一抗刮疏水層L1表面形成一第二抗刮疏水層L2。該抗刮疏水層第二階段沈積包含通入0.11-10 MPa之一壓縮氬氣、電漿頭至該物體表面距離為0.1-10 cm、該物體表面相對於該電漿頭之移動速度為≧0.01 cm/s、工作時間為≧ 1 s、功率為5-5000 watts、頻率為5-5000 kHz。The second-stage deposition of the scratch-resistant hydrophobic layer: the carbon fiber layer M after the first-stage treatment described above is also formed by depositing a second organic carbon-containing silane gas or liquid on the surface of the first scratch-resistant hydrophobic layer L1 using atmospheric pressure low-temperature plasma A second scratch-resistant hydrophobic layer L2. The second-stage deposition of the scratch-resistant hydrophobic layer includes the passage of 0.11-10 MPa compressed argon gas, the distance from the plasma head to the surface of the object is 0.1-10 cm, and the moving speed of the surface of the object relative to the plasma head is ≧ 0.01 cm/s, working time ≧ 1 s, power 5-5000 watts, frequency 5-5000 kHz.
本新型該抗刮疏水層L1、L2的材質除了前述的有機含碳矽烷之氣體、液體或溶液態單體外，亦可進一步包含氧成為有機含碳矽氧烷之氣體、液體或溶液態單體，一較佳實施例可例如四甲基二矽氧烷(tetramethyldisiloxane, TMDSO)、六甲基二矽氧烷(hexamethyldisiloxane, HMDSO)或正己烷(hexane)。而該四甲基二矽氧烷較佳係於抗刮疏水層第一階段沈積時使用，而六甲基二矽氧烷 (HMDSO)、正己烷(hexane)則較佳係抗刮疏水層第二階段沈積時使用。In addition to the aforementioned organic carbon-containing silane-based gas, liquid or solution monomer, the material of the novel anti-scratch hydrophobic layer L1, L2 may further contain oxygen to form an organic carbon-containing siloxane-containing gas, liquid or solution-based monomer For example, a preferred embodiment may be, for example, tetramethyldisiloxane (TMDSO), hexamethyldisiloxane (HMDSO), or n-hexane (hexane). The tetramethyldisilaxane is preferably used in the first stage of the deposition of the scratch-resistant hydrophobic layer, and hexamethyldisilazane (HMDSO) and n-hexane (hexane) are preferably the first part of the scratch-resistant hydrophobic layer Used for two-stage deposition.
本新型於常壓低溫電漿沉積抗刮疏水層之步驟使用之電漿處理溫度係以常壓低溫製程，在維持沉積抗刮疏水層高附著度，不易脫落或刮除的功效外，亦相對節省能源。另外，本新型所形成之該第一與第二抗刮疏水層L1、L2L因產生化學鍵結成分，具有可撓曲的特性，能隨著該碳纖維層M的彎曲或撓折不產生龜裂或裂痕，特別適用於具有可撓曲特性的碳纖維板片材，可應用於3C電子產品，例如圖2a與2b的手機或電腦外殼之鍍層，或是圖2c之碳纖維加熱墊體。The plasma treatment temperature used in the step of depositing the anti-scratch hydrophobic layer in the atmospheric pressure low temperature plasma is based on the atmospheric low temperature process, which maintains the high adhesion of the deposited anti-scratch hydrophobic layer and is not easy to fall off or scrape. save energy. In addition, the first and second anti-scratch hydrophobic layers L1 and L2L formed by the present invention have the characteristics of being flexible due to the chemical bonding component, and can not crack or bend with the bending or bending of the carbon fiber layer M The crack is especially suitable for carbon fiber sheet with flexible characteristics. It can be applied to 3C electronic products, such as the coating of the mobile phone or computer casing of Figures 2a and 2b, or the carbon fiber heating pad of Figure 2c.
請參考表1，其為本新型就沈積第一與第二抗刮疏水層L1、L2步驟提供較佳實施例，此實施例僅為本新型較佳數據之呈現，並非用以限定本新型僅包含該實施例，上述所指之數據範圍皆已經實驗證明其確效性。Please refer to Table 1, which provides a preferred embodiment of the present invention for the steps of depositing the first and second scratch-resistant hydrophobic layers L1, L2. This embodiment is only a representation of the preferred data of the present invention and is not intended to limit the Including this embodiment, the data ranges mentioned above have been experimentally proven to be valid.
表1。
取本新型沈積第一與第二抗刮疏水層L1、L2之實施例，並對應測試其表面硬度(Surface hardness)、抗刮強度(Scratch resistance)以及疏水性(Hydrophobic surface)如表2。自表2測試結果可知，本新型的第一與第二抗刮疏水層L1、L2具有優異的表面硬度與抗刮強度，表面硬度達到4H以上的優異表現，且表面能測試數據證實本新型具有疏水特性。The embodiments of depositing the first and second scratch-resistant hydrophobic layers L1 and L2 of the present invention are taken, and the surface hardness, scratch resistance and hydrophobic surface are tested accordingly as shown in Table 2. It can be seen from the test results in Table 2 that the first and second scratch-resistant hydrophobic layers L1 and L2 of the present invention have excellent surface hardness and scratch resistance, and the surface hardness reaches 4H or more, and the surface energy test data confirms that the new model has Hydrophobic properties.
表2。
上述僅為本新型的較佳實施例而已，並非用以限定本新型主張的權利範圍，凡其它未脫離本新型所揭示的精神所完成的等效改變或修飾，均應包括在本新型的主張範圍內。The above are only preferred embodiments of the present invention, and are not intended to limit the scope of the claims of the new model. Any equivalent changes or modifications made without departing from the spirit disclosed by the new model should be included in the claims of the new model. Within range.
M:碳纖維層 L1:第一抗刮疏水層 L2:第二抗刮疏水層 M: carbon fiber layer L1: The first anti-scratch hydrophobic layer L2: second anti-scratch hydrophobic layer
圖1為本新型抗刮疏水層鍍製於碳纖維板片表面示意圖。 圖2a、圖2b、圖2c為本新型應用於3C電子產品與碳纖維加熱墊體之較佳實施例示意圖。 Fig. 1 is a schematic diagram of a new anti-scratch hydrophobic layer coated on the surface of a carbon fiber sheet. 2a, 2b, and 2c are schematic diagrams of preferred embodiments of the new type applied to 3C electronic products and carbon fiber heating mats.
M:碳纖維層 M: carbon fiber layer
L1:第一抗刮疏水層 L1: The first anti-scratch hydrophobic layer
L2:第二抗刮疏水層 L2: second anti-scratch hydrophobic layer
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW108210983U TWM592392U (en) | 2019-08-19 | 2019-08-19 | Carbon fiber product with scratch-resistant hydrophobic layer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW108210983U TWM592392U (en) | 2019-08-19 | 2019-08-19 | Carbon fiber product with scratch-resistant hydrophobic layer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TWM592392U true TWM592392U (en) | 2020-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW108210983U TWM592392U (en) | 2019-08-19 | 2019-08-19 | Carbon fiber product with scratch-resistant hydrophobic layer structure |
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| Country | Link |
|---|---|
| TW (1) | TWM592392U (en) |
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2019
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