CN117021691A - Preparation method of nanofiber composite honeycomb plate - Google Patents
Preparation method of nanofiber composite honeycomb plate Download PDFInfo
- Publication number
- CN117021691A CN117021691A CN202310784545.5A CN202310784545A CN117021691A CN 117021691 A CN117021691 A CN 117021691A CN 202310784545 A CN202310784545 A CN 202310784545A CN 117021691 A CN117021691 A CN 117021691A
- Authority
- CN
- China
- Prior art keywords
- nanofiber composite
- nanofiber
- honeycomb
- panels
- composite honeycomb
- 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
Links
- 239000002121 nanofiber Substances 0.000 title claims abstract description 38
- 239000002131 composite material Substances 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title abstract description 4
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000003292 glue Substances 0.000 claims abstract description 4
- 230000008569 process Effects 0.000 claims abstract description 4
- 238000001179 sorption measurement Methods 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000032683 aging Effects 0.000 abstract description 5
- 239000003513 alkali Substances 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000002253 acid Substances 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000007123 defense Effects 0.000 abstract description 4
- 239000000835 fiber Substances 0.000 abstract 1
- 239000002114 nanocomposite Substances 0.000 abstract 1
- 239000011162 core material Substances 0.000 description 7
- 230000007547 defect Effects 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000004760 aramid Substances 0.000 description 2
- 229920003235 aromatic polyamide Polymers 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000254 damaging effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/206—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/16—Submarines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/18—Aircraft
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Laminated Bodies (AREA)
Abstract
本发明公开了一种纳米纤维复合蜂窝板的制备方法，包括以下步骤：步骤1：首先，将纳米纤维分切成短切丝，通过静电吸附工艺，做成微薄短切毡，然后再用高强环保胶喷涂，隔离封闭，加温固化，收卷保存成纳米复合薄膜；步骤2：将做成的纳米纤维复合薄膜上蜂窝芯成型机流水线自动化生产，做成万层折叠的各种规格的纳米纤维蜂窝芯；该纳米纤维复合蜂窝板的制备方法制成的纳米纤维复合蜂窝板，具有价格低，强度高，耐水，耐酸碱，耐老化，保温隔音，绝缘，避免屏蔽信号的优点，不仅适用民用产品，而且可以较好的适用于无人机、无人艇等军事国防产品的制造，具有较高的商业价值，适合广泛的推广应用。The invention discloses a method for preparing nanofiber composite honeycomb panels, which includes the following steps: Step 1: First, cut the nanofibers into chopped strands, and use an electrostatic adsorption process to make micro-thin chopped strand mats, and then use high-strength Spray environmentally friendly glue, isolate and seal, heat and solidify, roll up and save into a nanocomposite film; Step 2: Automatically produce the nanofiber composite film on the honeycomb core forming machine assembly line, and make tens of thousands of layers of nanofiber composite films of various specifications. Fiber honeycomb core; the nanofiber composite honeycomb panel made by the preparation method of the nanofiber composite honeycomb panel has the advantages of low price, high strength, water resistance, acid and alkali resistance, aging resistance, thermal insulation and sound insulation, insulation, and avoidance of signal shielding. Not only It is suitable for civilian products, and can be well suited for the manufacturing of military and defense products such as drones and unmanned boats. It has high commercial value and is suitable for widespread promotion and application.
Description
技术领域Technical field
本发明涉及蜂窝板技术领域，具体为一种纳米纤维复合蜂窝板的制备方法。The present invention relates to the technical field of honeycomb panels, specifically a method for preparing nanofiber composite honeycomb panels.
背景技术Background technique
蜂窝板是由两块较薄的面板，牢固地粘结在一层蜂窝状芯材的两面而制成的板材，亦称蜂窝夹层结构，目前，常用的蜂窝板有纸蜂窝、铝蜂窝、塑料蜂窝和芳纶蜂窝等。Honeycomb panel is a panel made of two thin panels firmly bonded to both sides of a layer of honeycomb core material. It is also called a honeycomb sandwich structure. Currently, commonly used honeycomb panels include paper honeycomb, aluminum honeycomb, and plastic honeycomb. Honeycomb and aramid honeycomb, etc.
然而，现有技术中的上述蜂窝板，分别存在一些缺陷：However, the above-mentioned honeycomb panels in the prior art have some defects:
一、纸蜂窝：怕水，强度底，应用范围小，不利于在日常生活的一些环境中应用；1. Paper honeycomb: Afraid of water, low in strength and small in application range, it is not conducive to application in some environments of daily life;
二、铝蜂窝：由于铝是金属材料，具有导电性，会屏蔽信号，而且不耐酸碱腐蚀、容易老化，生产成本高；2. Aluminum honeycomb: Because aluminum is a metal material, it is conductive and will shield signals. It is not resistant to acid and alkali corrosion, is prone to aging, and has high production costs;
三、塑料蜂窝：由于塑料里面含有增塑剂，增塑剂的成分是二丁酯，而二丁酯是一种很好的脱模剂，因此，对粘接的附着力起到了破坏作用，很容易脱层开裂，难以修复；3. Plastic honeycomb: Since the plastic contains plasticizer, the plasticizer component is dibutyl ester, and dibutyl ester is a good release agent. Therefore, it has a damaging effect on the adhesion of the bonding. It is easy to delaminate and crack, making it difficult to repair;
四、芳纶蜂窝：价格昂贵，难以推广应用在民用产品上。4. Aramid honeycomb: It is expensive and difficult to promote and apply it to civilian products.
为克服现有技术中的存在的上述缺陷，亟需一种价格低，强度高，耐水，耐酸碱，耐老化，保温隔音，绝缘，避免屏蔽信号，不仅适用民用产品，而且可以较好的适用于无人机、无人艇等军事国防产品制造的新型的复合蜂窝板材，为此，提出一种纳米纤维复合蜂窝板的制备方法，用以制作可以克服上述缺陷的纳米纤维复合蜂窝板。In order to overcome the above-mentioned defects in the existing technology, there is an urgent need for a low-price, high-strength, water-resistant, acid-alkali-resistant, aging-resistant, thermal insulation and sound insulation, insulation, and avoidance of signal shielding, which is not only suitable for civilian products, but also can be better It is a new type of composite honeycomb panel suitable for the manufacture of military and defense products such as drones and unmanned boats. To this end, a method for preparing nanofiber composite honeycomb panels is proposed to produce nanofiber composite honeycomb panels that can overcome the above defects.
发明内容Contents of the invention
本发明要解决的技术问题是克服现有的缺陷，提供一种纳米纤维复合蜂窝板的制备方法，通过，可以有效解决背景技术中的问题。The technical problem to be solved by the present invention is to overcome the existing defects and provide a method for preparing nanofiber composite honeycomb panels, through which the problems in the background technology can be effectively solved.
为实现上述目的，本发明提供如下技术方案：一种纳米纤维复合蜂窝板的制备方法，其特征在于，包括以下步骤：In order to achieve the above object, the present invention provides the following technical solution: a preparation method of nanofiber composite honeycomb panel, which is characterized in that it includes the following steps:
步骤1：首先，将纳米纤维分切成短切丝，通过静电吸附工艺，做成微薄短切毡，然后再用高强环保胶喷涂，隔离封闭，加温固化，收卷保存成纳米纤维复合薄膜；Step 1: First, cut the nanofiber into chopped strands, and use an electrostatic adsorption process to make a thin chopped strand mat. Then spray it with high-strength environmentally friendly glue, isolate and seal, heat and solidify, and roll it up to save it into a nanofiber composite film. ;
步骤2：将做成的纳米纤维复合薄膜上蜂窝芯成型机流水线自动化生产，做成万层折叠的各种规格的纳米纤维蜂窝芯；Step 2: Automatically produce the nanofiber composite film on the honeycomb core forming machine assembly line to make tens of thousands of layers of folded nanofiber honeycomb cores of various specifications;
步骤3：将做好的纳米纤维蜂窝芯拉网成型，然后再双面涂胶，双面都复合上纳米纤维面板，经过热压机热压定型后即可成为纳米纤维复合蜂窝板。Step 3: The prepared nanofiber honeycomb core is stretched into a mesh, and then glued on both sides. Nanofiber panels are compounded on both sides. After being heated and shaped by a hot press, it becomes a nanofiber composite honeycomb panel.
与现有技术相比，本发明的有益效果是：本纳米纤维复合蜂窝板的制备方法制成的纳米纤维复合蜂窝板，具有价格低，强度高，耐水，耐酸碱，耐老化，保温隔音，绝缘，避免屏蔽信号的优点，不仅适用民用产品，而且可以较好的适用于无人机、无人艇等军事国防产品的制造，具有较高的商业价值，适合广泛的推广应用。Compared with the existing technology, the beneficial effects of the present invention are: the nanofiber composite honeycomb panel made by the preparation method of the nanofiber composite honeycomb panel has low price, high strength, water resistance, acid and alkali resistance, aging resistance, thermal insulation and sound insulation , insulation, and the advantage of avoiding signal shielding, it is not only suitable for civilian products, but also can be better applied to the manufacturing of military and defense products such as drones and unmanned boats. It has high commercial value and is suitable for widespread promotion and application.
具体实施方式Detailed ways
为使本发明的目的、技术方案和优点更加清楚，下面将对本发明实施例中的技术方案进行进一步清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be further clearly and completely described below. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. embodiment. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.
本发明提供一种技术方案：一种纳米纤维复合蜂窝板的制备方法，其特征在于，包括以下步骤：The present invention provides a technical solution: a method for preparing nanofiber composite honeycomb panels, which is characterized in that it includes the following steps:
步骤1：首先，将纳米纤维分切成短切丝，通过静电吸附工艺，做成微薄短切毡，然后再用高强环保胶喷涂，隔离封闭，加温固化，收卷保存成纳米纤维复合薄膜；Step 1: First, cut the nanofiber into chopped strands, and use an electrostatic adsorption process to make a thin chopped strand mat. Then spray it with high-strength environmentally friendly glue, isolate and seal, heat and solidify, and roll it up to save it into a nanofiber composite film. ;
步骤2：将做成的纳米纤维复合薄膜上蜂窝芯成型机流水线自动化生产，做成万层折叠的各种规格的纳米纤维蜂窝芯；Step 2: Automatically produce the nanofiber composite film on the honeycomb core forming machine assembly line to make tens of thousands of layers of folded nanofiber honeycomb cores of various specifications;
步骤3：将做好的纳米纤维蜂窝芯拉网成型，然后再双面涂胶，双面都复合上纳米纤维面板，经过热压机热压定型后即可成为纳米纤维复合蜂窝板。Step 3: The prepared nanofiber honeycomb core is stretched into a mesh, and then glued on both sides. Nanofiber panels are compounded on both sides. After being heated and shaped by a hot press, it becomes a nanofiber composite honeycomb panel.
在使用时：When using:
如上述步骤制成的纳米纤维复合蜂窝板，在用于生产加工使用时，具有价格低，强度高，耐水，耐酸碱，耐老化，保温隔音，绝缘，避免屏蔽信号的优点，不仅适用民用产品，而且可以较好的适用于无人机、无人艇等军事国防产品的制造，具有较高的商业价值，适合广泛的推广应用。The nanofiber composite honeycomb panel made by the above steps has the advantages of low price, high strength, water resistance, acid and alkali resistance, aging resistance, thermal insulation and sound insulation, and avoidance of signal shielding when used in production and processing. It is not only suitable for civilian use products, and can be well applied to the manufacturing of military and defense products such as drones and unmanned boats. They have high commercial value and are suitable for widespread promotion and application.
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes, modifications, and substitutions can be made to these embodiments without departing from the principles and spirit of the invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310784545.5A CN117021691A (en) | 2023-06-29 | 2023-06-29 | Preparation method of nanofiber composite honeycomb plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310784545.5A CN117021691A (en) | 2023-06-29 | 2023-06-29 | Preparation method of nanofiber composite honeycomb plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117021691A true CN117021691A (en) | 2023-11-10 |
Family
ID=88641861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310784545.5A Pending CN117021691A (en) | 2023-06-29 | 2023-06-29 | Preparation method of nanofiber composite honeycomb plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117021691A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797822A (en) * | 2010-03-29 | 2010-08-11 | 王韬 | Novel fiber reinforced cellular board and preparation method thereof |
| CN203510812U (en) * | 2013-08-30 | 2014-04-02 | 重庆造纸工业研究设计院有限责任公司 | Glass fiber cellular board |
| CN113263824A (en) * | 2021-06-24 | 2021-08-17 | 苏州启燕新材料科技有限公司 | Composite process of nanofiber membrane and grid fabric |
| CN113459606A (en) * | 2021-07-15 | 2021-10-01 | 中国科学院苏州纳米技术与纳米仿生研究所 | Carbon fiber reinforced carbon foam composite porous structure material and preparation method and application thereof |
-
2023
- 2023-06-29 CN CN202310784545.5A patent/CN117021691A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797822A (en) * | 2010-03-29 | 2010-08-11 | 王韬 | Novel fiber reinforced cellular board and preparation method thereof |
| CN203510812U (en) * | 2013-08-30 | 2014-04-02 | 重庆造纸工业研究设计院有限责任公司 | Glass fiber cellular board |
| CN113263824A (en) * | 2021-06-24 | 2021-08-17 | 苏州启燕新材料科技有限公司 | Composite process of nanofiber membrane and grid fabric |
| CN113459606A (en) * | 2021-07-15 | 2021-10-01 | 中国科学院苏州纳米技术与纳米仿生研究所 | Carbon fiber reinforced carbon foam composite porous structure material and preparation method and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 孔萍主编: "塑料配混技术", 30 September 2021, 中国轻工业出版社, pages: 177 - 179 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103552252A (en) | Manufacture method of high-precision carbon fiber composite antenna panel | |
| WO2021000727A1 (en) | Aramid 1313 mesh fibers and preparation method therefor, aramid epoxy resin glue and preparation method therefor | |
| CN107675845A (en) | Heat insulation decoration integrated wallboard and preparation method thereof | |
| CN106364131A (en) | Manufacturing method of cellular board | |
| CN102977393A (en) | Preparation method of transparent waterproof plant nanometer fiber composite material | |
| CN117021691A (en) | Preparation method of nanofiber composite honeycomb plate | |
| CN102127267B (en) | Method for preparing rubber-metal composite waterproof sheet | |
| CN202208050U (en) | Waterproof cellular composite sheet material for furniture | |
| CN102146720A (en) | Method of manufacturing heat-preservation and fireproof decorative panel | |
| CN202275706U (en) | Long-round insulation cylinder of transformer | |
| CN202517778U (en) | Material laminated structure of electronic product shell | |
| CN210139676U (en) | A high-strength aviation plywood | |
| CN217398814U (en) | Anti-tearing BOPP composite film | |
| CN115742486A (en) | Grid panel low-density aluminum honeycomb core sandwich structure bending test piece and preparation process thereof | |
| CN207692155U (en) | A kind of anti-excessive glue, the reinforcement harden structure of high temperature tablet pressing | |
| CN201690694U (en) | Structure of shell of electronic product | |
| CN201875362U (en) | Flame retardant film and aluminum foil composite rubber heat-insulation material structure by pressure sensitive adhesion | |
| CN222182161U (en) | Anti-curling protective film | |
| CN201059405Y (en) | Insulating material composite bed structure | |
| CN212078290U (en) | Sandwich heat-insulation wallboard | |
| CN202837582U (en) | A 3d polarizer | |
| CN111378398A (en) | A carbon fiber composite felt | |
| CN215101023U (en) | An anti-stick and anti-static transmission shaft | |
| CN222935771U (en) | Pressure-resistant composite corrugated cardboard | |
| CN210925568U (en) | A composite insulating flame retardant film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |