CN118372531A - A high-airtightness space composite material and preparation method thereof - Google Patents
A high-airtightness space composite material and preparation method thereof Download PDFInfo
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- CN118372531A CN118372531A CN202410554739.0A CN202410554739A CN118372531A CN 118372531 A CN118372531 A CN 118372531A CN 202410554739 A CN202410554739 A CN 202410554739A CN 118372531 A CN118372531 A CN 118372531A
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- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
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- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
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- 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
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- 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
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- 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
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- 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
- B32B5/02—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 structural features of a fibrous or filamentary layer
- B32B5/028—Net structure, e.g. spaced apart filaments bonded at the crossing points
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- 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
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- Fluid Mechanics (AREA)
- Laminated Bodies (AREA)
Abstract
本发明涉及空间布结构技术领域，具体涉及一种高气密性空间复合材料及其制备方法。该制备方法，包括以下步骤：中膜的两侧均上糊，将两张所述中膜分别贴合在空间布的两侧，然后将预热后的面膜和底膜分别贴合两张中膜上；所述面膜和底膜的宽度均大于中膜的宽度。本发明的制备方法在不降低原有克重的情况下改为两层贴膜，可避免压延厚制膜带来的气斑问题所形成的半穿孔异常，降低后道成品漏气风险。面膜和底膜的宽度均大于中膜的宽度，可将上过糊的中膜完全覆盖，避免受热后的糊剂经过挤压后从边缘溢出并粘附在设备上，提高了生产效率和良品率。
The present invention relates to the technical field of spatial cloth structure, and specifically to a high-airtightness spatial composite material and a preparation method thereof. The preparation method comprises the following steps: both sides of the middle film are pasted, two sheets of the middle film are respectively pasted on the two sides of the spatial cloth, and then the preheated face mask and bottom film are respectively pasted on the two middle films; the widths of the face mask and the bottom film are both greater than the width of the middle film. The preparation method of the present invention is changed to two layers of film pasting without reducing the original gram weight, which can avoid the semi-perforation anomaly caused by the air spot problem caused by calendering thick film, and reduce the risk of air leakage in the subsequent finished product. The widths of the face mask and the bottom film are both greater than the width of the middle film, which can completely cover the pasted middle film, avoid the heated paste from overflowing from the edge after extrusion and adhering to the equipment, and improve production efficiency and yield rate.
Description
Technical Field
The invention relates to the technical field of space cloth structures, in particular to a high-air-tightness space composite material and a preparation method thereof.
Background
The structure of space cloth includes facial mask layer, wire drawing screen cloth (space cloth) and the backing film layer that from top to bottom stacks gradually and sets up, and facial mask layer and backing film layer can improve the wear-resisting and the bending resistance performance on space cloth surface. The Chinese patent publication No. CN105666963A discloses a preparation method of a wire-drawing mesh fabric composite material, which comprises the steps of mixing diisononyl phthalate or dioctyl phthalate with polyvinyl chloride and a stabilizer to form a coating agent, respectively coating two side surfaces of the wire-drawing mesh fabric with the coating agent, plasticizing the wire-drawing mesh fabric coated with the coating agent, and then attaching the wire-drawing mesh fabric with a PVC film to obtain the high-strength wire-drawing mesh fabric composite material. However, when the space cloth is attached, the coating agent is easy to be extruded to pollute the wire mesh cloth layer and attaching equipment, so that the quality of the space cloth can be affected, the peeling strength of the edge of the space cloth can be reduced, the available width of the space cloth is reduced, the size specification is not met after the space cloth is cut, and the product yield is reduced.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the space composite material with the edge free of glue overflow during lamination and the preparation method thereof are provided, and the problem of air tightness caused by calendaring and thick film making can be avoided.
In order to solve the technical problems, the invention adopts the following technical scheme: the preparation method of the high-air-tightness space composite material comprises the following steps: pasting two sides of the middle membrane, respectively attaching two middle membranes to two sides of the space cloth, and respectively attaching the preheated mask and the preheated bottom membrane to the two middle membranes;
The width of the mask and the bottom film is larger than that of the middle film.
The invention adopts another technical scheme that: the high-air-tightness space composite material prepared by the preparation method of the high-air-tightness space composite material is prepared.
The invention has the beneficial effects that: according to the preparation method, the widths of the mask and the base film are larger than those of the middle film, the middle film on which paste is coated can be completely covered, the paste after being heated is prevented from overflowing from the edge and adhering to equipment after being extruded, and the production efficiency and the yield are improved. The invention changes the original gram weight into two layers of film sticking without reducing the original gram weight, can avoid the abnormal half perforation caused by the gas spot problem caused by the rolling thick film making, and reduces the risk of air leakage of the subsequent finished product.
Drawings
FIG. 1 is a schematic structural diagram of a highly airtight space composite material according to a second embodiment of the present invention;
Description of the reference numerals:
1. a mask layer; 2. a first intermediate film layer; 3. a space cloth; 4. a second intermediate film layer; 5. a bottom film layer; 6. and (3) a paste layer.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
The preparation method of the high-air-tightness space composite material comprises the following steps: pasting two sides of the middle membrane, respectively attaching two middle membranes to two sides of the space cloth, and respectively attaching the preheated mask and the preheated bottom membrane to the two middle membranes;
the width of the mask and the bottom film is larger than that of the middle film.
From the above description, the beneficial effects of the invention are as follows: the preparation method of the invention comprises the steps of pasting the two surfaces of the middle membrane, attaching the middle membrane to the space cloth, and compositing the preheated surface, bottom layer and middle membrane. The traditional single-layer calendaring thick film is adopted for lamination, the calendaring thick film is easy to generate the problem of gas spots, the gas spots are easy to be converted into half perforations during compounding, some half perforations are small or hidden and are not easy to be perceived, and the processing gas leakage risk of a finished product is increased; the invention changes the original gram weight into two layers of film sticking without reducing the original gram weight, can avoid the abnormal half perforation caused by the gas spot problem caused by the rolling thick film making, and reduces the risk of air leakage of the subsequent finished product. .
The widths of the mask and the bottom film are larger than those of the middle film, so that the middle film which is coated with paste can be completely covered, the problem that the paste overflows from the edge and adheres to equipment after being extruded when the mask and the bottom film are attached to the middle film due to incomplete covering of a film layer is avoided, the problems of adhesive materials and edge rot generated in the processing process and the need of frequently stopping and wiping equipment are avoided, and the production efficiency is improved; and a large amount of cutting caused by insufficient peeling strength of the edge of the space cloth is avoided, so that the available space cloth accords with the dimension specification, and the yield is improved. Meanwhile, the thickness of the surface film layer is not changed greatly, and the air tightness, wear resistance and other performances of the material are not affected.
The invention adopts middle membrane pasting to replace the traditional space cloth pasting mode, and the compounded finished product is softer and is more suitable for the field of gymnastics mats.
The middle membrane is fully coated with paste, so that the peeling strength can be ensured, and the phenomenon that the peeling is insufficient due to the fact that small area is not coated with paste or the paste is too little is avoided, and delamination phenomenon is generated when the finished product is inflated.
Further, the amount of the paste applied during the paste application is 60 to 110gsm.
Further, the laminating temperature is 165-180 ℃ and the laminating pressure is 15-25 kg when the middle membrane is laminated with the space cloth.
Further, the preheating temperature of the mask is 155-170 ℃.
Further, the preheating temperature of the base film is 155-170 ℃.
Further, the bonding temperature is 175-190 ℃ and the bonding pressure is 15-25 kg when the mask and the base film are bonded.
As is clear from the above description, the lamination temperature is low when the intermediate film is laminated to the space cloth, and the intermediate film with paste is laminated to the mesh cloth by the preheating function. The laminating temperature is higher when facial mask and backing film laminating intermediate film because face, backing film layer and intermediate film laminating need rely on pressure and high temperature to laminate after above-mentioned layer structure softens.
Further, the width of the mask and the bottom film is 20-30 mm wider than the width of the middle film.
As is apparent from the above description, the widths of the mask and the first base film are too wide, resulting in an increase in production cost; the width is too narrow to completely cover the paste being extruded.
Further, the widths of the mask and the base film are smaller than the width of the space cloth.
From the above description, the width of the setting surface and the bottom film is smaller than that of the space cloth, so that the film can be prevented from sticking to the roller after being heated, and the machine is prevented from being cleaned inconveniently; on the other hand, if the width of the film is larger than that of the space cloth, the bottom films are bonded together after heat sealing, the upper and lower layers of mesh cloth are difficult to separate, and the effect of the three-dimensional structure of the space composite material cannot be achieved.
Further, the width of the mask and the bottom film is 20-40 mm narrower than the width of the space cloth.
Further, the thickness of the middle membrane, the mask and the bottom membrane is less than 0.45mm.
From the above description, it is understood that the thickness of the single-layer film is controlled to be 0.45mm or less, and the air spots are reduced.
The invention adopts another technical scheme that: the high-air-tightness space composite material prepared by the preparation method of the high-air-tightness space composite material is prepared.
The first embodiment of the invention is as follows: the preparation method of the high-air-tightness space composite material comprises the following steps:
S1: pasting on both sides of the middle membrane, wherein the pasting amount on both sides is 80gsm;
S2: respectively attaching two middle films on two sides of the space cloth at the attaching temperature of 170 ℃ and the attaching pressure of 20kg;
s3: the mask and the bottom film are preheated, the preheating temperature of the mask is 160 ℃, and the preheating temperature of the bottom film is 160 ℃;
S4: respectively attaching the preheated mask and the preheated base film to the two middle films at 180 ℃ under 20kg of attaching pressure to obtain a high-air-tightness space composite material;
The mask, the middle film and the bottom film are all made of PVC (polyvinyl chloride), and the paste is PVC paste. The width of the space cloth is 1920mm; the width of the mask is 1880mm, and the thickness is 0.40mm; the width of the middle membrane is 1850mm, and the thickness is 0.40mm; the carrier film had a width of 1870mm and a thickness of 0.40mm.
Referring to fig. 1, a second embodiment of the present invention is as follows: the high-air-tightness space composite material prepared by the preparation method of the first embodiment comprises a mask layer 1, a first middle film layer 2, a space cloth 3, a second middle film layer 4 and a bottom film layer 5 which are sequentially laminated from top to bottom in a line alignment mode, wherein paste layers 6 are arranged on two sides of the first middle film layer 2 and the second middle film layer 4.
The third embodiment of the invention is as follows: the preparation method of the high-air-tightness space composite material comprises the following steps:
s1: pasting on both sides of the middle membrane, wherein the pasting amount on both sides is 60gsm;
s2: respectively attaching two middle films on two sides of the space cloth at 165 ℃ under 25kg;
S3: preheating the mask and the bottom film, wherein the preheating temperature of the mask is 155 ℃, and the preheating temperature of the bottom film is 155 ℃;
s4: respectively attaching the preheated mask and the preheated base film to the two middle films at 175 ℃ under 25kg of attaching pressure to obtain a high-air-tightness space composite material;
the mask, the middle film and the bottom film are all made of PVC (polyvinyl chloride), and the paste is PVC paste. The width of the space cloth is 1920mm; the width of the mask is 1880mm, and the thickness is 0.30mm; the width of the middle membrane is 1850mm, and the thickness is 0.30mm; the carrier film had a width of 1870mm and a thickness of 0.30mm.
The fourth embodiment of the invention is as follows: the preparation method of the high-air-tightness space composite material comprises the following steps:
s1: pasting on both sides of the middle membrane, wherein the pasting amount on both sides is 110gsm;
s2: respectively attaching two middle films on two sides of the space cloth at 180 ℃ under 15kg;
s3: the mask and the bottom film are preheated, the preheating temperature of the mask is 170 ℃, and the preheating temperature of the bottom film is 170 ℃;
S4: respectively attaching the preheated mask and the preheated base film to the two middle films at 190 ℃ under 15kg of attaching pressure to obtain a high-air-tightness space composite material;
The mask, the middle film and the bottom film are all made of PVC (polyvinyl chloride), and the paste is PVC paste. The width of the space cloth is 1920mm; the width of the mask is 1880mm, and the thickness is 0.40mm; the width of the middle membrane is 1850mm, and the thickness is 0.40mm; the carrier film had a width of 1870mm and a thickness of 0.40mm.
In summary, the high-air-tightness space composite material and the preparation method thereof provided by the invention have the following advantages:
1. the invention changes the original gram weight into two layers of film sticking without reducing the original gram weight, can avoid the abnormal half perforation caused by the gas spot problem caused by the rolling thick film making, and reduces the risk of air leakage of the subsequent finished product. .
2. The widths of the mask and the bottom film are larger than those of the middle film, so that the middle film which is coated with paste can be completely covered, and the paste after being heated is prevented from overflowing from the edge and adhering to equipment (a large cylinder) after being extruded during bonding, so that the production efficiency and the yield are improved; meanwhile, the thickness of the surface film layer is not changed greatly, and the air tightness, wear resistance and other performances of the material are not affected.
3. The middle membrane is coated with paste to standardize paste coating area, so that the peeling strength of the space cloth is improved.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent changes made by the specification and drawings of the present invention, or direct or indirect application in the relevant art, are included in the scope of the present invention.
Claims (10)
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| CN202410554739.0A CN118372531A (en) | 2024-05-07 | 2024-05-07 | A high-airtightness space composite material and preparation method thereof |
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| CN202410554739.0A CN118372531A (en) | 2024-05-07 | 2024-05-07 | A high-airtightness space composite material and preparation method thereof |
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Citations (7)
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| CN102848688A (en) * | 2012-08-10 | 2013-01-02 | 浙江华生经编新材料有限公司 | Production process of air cushion |
| CN102848700A (en) * | 2012-08-10 | 2013-01-02 | 浙江华生经编新材料有限公司 | Gluing method of five-layer flexible composite material |
| CN103240939A (en) * | 2013-04-25 | 2013-08-14 | 福建思嘉环保材料科技有限公司 | Anti-sticking gas mould material and preparation method thereof |
| CN104108211A (en) * | 2014-06-30 | 2014-10-22 | 铱格斯曼航空科技集团有限公司 | Light-weight high-strength pneumatic membrane material and preparation method thereof |
| JP2015182351A (en) * | 2014-03-25 | 2015-10-22 | 富士フイルム株式会社 | Method for producing laminated film |
| US20180148319A1 (en) * | 2015-08-17 | 2018-05-31 | Texas Instruments Incorporated | Hermetically sealed mems device and its fabrication |
| CN222571809U (en) * | 2024-05-07 | 2025-03-07 | 福建思嘉环保材料科技有限公司 | Wear-resistant space composite material |
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2024
- 2024-05-07 CN CN202410554739.0A patent/CN118372531A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102848688A (en) * | 2012-08-10 | 2013-01-02 | 浙江华生经编新材料有限公司 | Production process of air cushion |
| CN102848700A (en) * | 2012-08-10 | 2013-01-02 | 浙江华生经编新材料有限公司 | Gluing method of five-layer flexible composite material |
| CN103240939A (en) * | 2013-04-25 | 2013-08-14 | 福建思嘉环保材料科技有限公司 | Anti-sticking gas mould material and preparation method thereof |
| JP2015182351A (en) * | 2014-03-25 | 2015-10-22 | 富士フイルム株式会社 | Method for producing laminated film |
| CN104108211A (en) * | 2014-06-30 | 2014-10-22 | 铱格斯曼航空科技集团有限公司 | Light-weight high-strength pneumatic membrane material and preparation method thereof |
| US20180148319A1 (en) * | 2015-08-17 | 2018-05-31 | Texas Instruments Incorporated | Hermetically sealed mems device and its fabrication |
| CN222571809U (en) * | 2024-05-07 | 2025-03-07 | 福建思嘉环保材料科技有限公司 | Wear-resistant space composite material |
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