CN117231061A - Glass fiber building membrane base cloth and preparation method thereof - Google Patents
Glass fiber building membrane base cloth and preparation method thereof Download PDFInfo
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- CN117231061A CN117231061A CN202311122406.2A CN202311122406A CN117231061A CN 117231061 A CN117231061 A CN 117231061A CN 202311122406 A CN202311122406 A CN 202311122406A CN 117231061 A CN117231061 A CN 117231061A
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- glass fiber
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- base cloth
- building membrane
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- 239000003365 glass fiber Substances 0.000 title claims abstract description 123
- 239000004744 fabric Substances 0.000 title claims abstract description 71
- 239000012528 membrane Substances 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 238000000576 coating method Methods 0.000 claims abstract description 113
- 239000011248 coating agent Substances 0.000 claims abstract description 108
- 239000000463 material Substances 0.000 claims abstract description 31
- 238000005253 cladding Methods 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 115
- 239000011247 coating layer Substances 0.000 claims description 53
- 230000000903 blocking effect Effects 0.000 claims description 43
- 238000009958 sewing Methods 0.000 claims description 38
- 238000005520 cutting process Methods 0.000 claims description 33
- 239000011265 semifinished product Substances 0.000 claims description 26
- 239000003292 glue Substances 0.000 claims description 24
- 230000004888 barrier function Effects 0.000 claims description 19
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- 229920002635 polyurethane Polymers 0.000 claims description 10
- 239000004814 polyurethane Substances 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 239000000047 product Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 5
- 239000011111 cardboard Substances 0.000 claims description 3
- 239000002346 layers by function Substances 0.000 abstract description 9
- 239000005357 flat glass Substances 0.000 description 4
- 239000011087 paperboard Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention provides a glass fiber building membrane material base cloth and a preparation method thereof, belonging to the technical field of new materials. It has solved the problem that prior art exists stability poor. This glass fiber building membrane material base cloth includes the intermediate level of net cloth, and a plurality of glass fiber short bundles wear to establish in the intermediate level department that corresponds, the both sides of intermediate level all are coated with the coating portion with the intermediate level cladding: the lower ends of the glass fiber short bundles are covered in the first coating part, and the upper ends of the glass fiber short bundles extend out of the second coating part. The glass fiber building membrane base cloth has good combination degree with other functional layers, and the preparation method has high operation efficiency.
Description
Technical Field
The invention belongs to the technical field of new materials, and relates to a glass fiber building membrane material base cloth and a preparation method thereof.
Background
The glass fiber building membrane base cloth is a semi-finished product material for manufacturing a membrane structure.
The base cloth needs to have the characteristics of light weight, high strength, good weather resistance and the like, and is widely applied to membrane structure buildings in places such as buildings, stadiums, exhibition halls and the like.
After the corresponding functional layers are connected on the membrane material base cloth, the obtained finished product has good waterproof or antifouling or ultraviolet-proof functions.
However, the existing membrane base cloth is usually of a single structure, so that when the membrane base cloth is connected with other functional layers, the combination degree of the connecting position is poor, and the stability of the membrane base cloth is poor.
Disclosure of Invention
A first object of the present invention is to provide a glass fiber building membrane substrate with good bonding and compact structure, which aims at the problems of the prior art.
The second object of the invention is to provide a preparation method of the glass fiber building membrane base cloth.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides a glass fiber building membrane material base cloth, its characterized in that includes the intermediate level of net cloth, and a plurality of glass fiber short bundles wear to establish in the intermediate level department that corresponds, the both sides of intermediate level all are coated with the coating portion with the intermediate level cladding: the lower ends of the glass fiber short bundles are covered in the first coating part, and the upper ends of the glass fiber short bundles extend out of the second coating part.
The glass fiber building membrane base cloth is creatively provided with a first coating part and a second coating part at two sides of the middle layer respectively, wherein the first coating part coats the lower end of the glass fiber short bundle, and the second coating part coats the middle part of the glass fiber short bundle. Meanwhile, the upper end of the glass fiber short bundle extends out of the second coating part, and a proper amount of glue can be stored at the upper end of the glass fiber short bundle, so that the upper part of the base cloth can be stably connected with other functional layers through the upper end of the glass fiber short bundle.
In the glass fiber building membrane material base cloth, the lower end of the glass fiber short bundle is wound with a connector, the connector is blocked at the lower part of the middle layer, and the connector is coated by the coating part.
The joint has the function of limiting the lower end of the glass fiber short bundle not to pass through the middle layer.
In the glass fiber building membrane base cloth, the end part of the glass fiber short bundles extending out of the second coating part is provided with a combination part for dispersing the plurality of bundles of wires.
The plurality of wire harnesses at the joint part are dispersed, so that a proper amount of glue can be stably stored at the joint part, and the joint stability of the base cloth and other functional layers is ensured.
In the glass fiber building film base cloth, the thickness dimension of the first coating part is the same as that of the second coating part, and the thickness of the intermediate layer is 1/3-1/2 of that of the first coating part.
In the glass fiber building membrane base cloth, the length dimension of the second extending coating part of the upper end of the glass fiber short bundle is 2-3 times of the thickness dimension of the second coating part.
The second object of the present invention is achieved by the following technical scheme:
the preparation method of the glass fiber building membrane base cloth is characterized by comprising the following steps of:
A. preparation: selecting a flat and wrinkle-free grid cloth, and cleaning the grid cloth to obtain an intermediate layer;
B. pre-connection: connecting the glass fiber bundles to the needle head of the sewing machine;
placing a blocking sheet on the upper part of the middle layer, placing the middle layer and the blocking sheet at a sewing platform of a sewing machine after the middle layer is contacted with the blocking sheet surface and overlapped up and down, and sewing the glass fiber bundles at the middle layer and the blocking sheet after the sewing operation of the sewing machine;
C. and (3) cutting at one time: cutting off the suture line segment at the lower part of the middle layer, coating glue on the end part of the suture line segment, knotting the end part of the suture line segment, and obtaining a primary semi-finished product after the glue is solidified;
D. primary coating: uniformly coating the liquid raw material on the lower part of the primary semi-finished product, and ensuring that the knotted part of the lower end of the suture line section is coated by the first coating layer in the coating process, and obtaining the secondary semi-finished product after the first coating layer is solidified;
E. and (3) secondary coating: applying external force to separate the barrier sheet from the middle layer in the secondary semi-finished product, uniformly filling the liquid raw material of the second coating layer between the barrier sheet and the middle layer, and obtaining a tertiary semi-finished product after the second coating layer is solidified;
f: separating and cutting for the second time: and (3) applying external force to peel off the blocking piece from the second coating layer, and cutting off the seam line segment extending out of the coating layer to obtain the finished product base fabric.
After the middle layer and the blocking sheet are overlapped, the glass fiber bundles are connected to a sewing machine as a suture, and after the sewing machine works, the glass fiber bundles are stably sutured on the middle layer and the blocking sheet.
After one time of cutting, the lower end of the suture line segment is knotted and then is coated with glue, and after the glue is solidified, the knotted part can be prevented from loosening.
After secondary cutting, the upper part of the blocking piece can form a plurality of sections of independent glass fiber bundles.
After the primary coating and the secondary coating, a first coating layer and a second coating layer can be stably formed on two sides of the intermediate layer.
And finally obtaining the finished base cloth after the barrier sheet glass.
In the above method for preparing glass fiber building membrane base cloth, the blocking sheet in the step B comprises a first layer body and a second layer body which are overlapped and fixedly connected by upper and lower punches, wherein the first layer body is a cardboard, and the second layer body is a PVC coating uniformly coated on one surface of the first layer body.
The second surface of the layer body of the PVC material is smooth, and the structure can enable the barrier sheet to be stably separated from the second coating layer.
The first layer of the cardboard is easy to be damaged under the action of external force, and the blocking piece is convenient to separate from the second coating layer.
In the above method for preparing glass fiber building membrane base cloth, the knotting of the suture sections in the step C is provided with gaps between the bottoms of the intermediate layers.
The above gap has two functions:
firstly, glue at the knotting position is prevented from adhering to the lower part of the middle layer;
and secondly, the glass fiber wire harness has an upward moving distance, so that the glass fiber wire harness stably extends out of the second coating layer.
In the above method for preparing glass fiber building membrane base cloth, the first coating layer in the step D is polyurethane material or acrylic material.
In the above preparation method of glass fiber building membrane base cloth, the second coating layer in the step E is polyurethane material or acrylic material.
In the preparation method of the glass fiber building membrane base cloth, the blocking piece is cut and destroyed by a cutter in the step F.
Compared with the prior art, the glass fiber building membrane base cloth is stably connected to the middle layer due to the plurality of glass fiber short bundles, and the opened binding portion at the upper end of the glass fiber short bundles can stably connect other functional layers to the base cloth, so that the binding degree is relatively good, and the stability is high.
Meanwhile, the preparation method of the glass fiber building membrane base cloth adopts the placement of stitch stitching to stitch the glass fiber short bundles on the middle layer stably, and the stitch stitching is orderly subjected to primary cutting and secondary cutting to obtain a plurality of sections of independent glass fiber short bundles.
Drawings
FIG. 1 is a schematic cross-sectional structural view of the present glass fiber building membrane substrate.
In the figure, 1, an intermediate layer; 2. a first coating layer; 3. a second coating layer; 4. a short bundle of glass fibers; 4a, knotting; 4b, a joint.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to fall within the scope of the present invention.
It is noted that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.
Example 1
As shown in fig. 1, the glass fiber building membrane base cloth comprises an intermediate layer of a grid cloth, a plurality of glass fiber short bundles are arranged at the corresponding intermediate layer in a penetrating manner, and the two sides of the intermediate layer are coated with coating parts for coating the intermediate layer: the lower ends of the glass fiber short bundles are covered in the first coating part, and the upper ends of the glass fiber short bundles extend out of the second coating part.
The lower end of the glass fiber short bundle is wound with a connector, the connector is blocked at the lower part of the middle layer, and the connector is covered by the coating part.
The end part of the short glass fiber bundles extending out of the second coating part is provided with a combination part for dispersing the plurality of bundles of wires.
The thickness dimension of the first coating part is the same as that of the second coating part, and the thickness of the intermediate layer is 1/3 of that of the first coating part.
The length dimension of the upper end of the glass fiber short bundle extending out of the second coating part is 2 times of the thickness dimension of the second coating part.
The preparation method of the glass fiber building membrane base cloth comprises the following steps:
A. preparation: selecting a flat and wrinkle-free grid cloth, and cleaning the grid cloth to obtain an intermediate layer;
B. pre-connection: connecting the glass fiber bundles to the needle head of the sewing machine;
placing a blocking sheet on the upper part of the middle layer, placing the middle layer and the blocking sheet at a sewing platform of a sewing machine after the middle layer is contacted with the blocking sheet surface and overlapped up and down, and sewing the glass fiber bundles at the middle layer and the blocking sheet after the sewing operation of the sewing machine;
the blocking sheet in the step B comprises a first layer body and a second layer body which are overlapped and fixedly connected through upper and lower punching, wherein the first layer body is made of hard paper board, and the second layer body is a PVC coating uniformly coated on the surface of the first layer body.
C. And (3) cutting at one time: cutting off the suture line segment at the lower part of the middle layer, coating glue on the end part of the suture line segment, knotting the end part of the suture line segment, and obtaining a primary semi-finished product after the glue is solidified;
the knotting of the suture segment in step C is done with a gap between the bottoms of the middle layers.
D. Primary coating: uniformly coating the liquid raw material on the lower part of the primary semi-finished product, and ensuring that the knotted part of the lower end of the suture line section is coated by the first coating layer in the coating process, and obtaining the secondary semi-finished product after the first coating layer is solidified;
the first coating layer in the step D is a polyurethane material or an acrylic material.
E. And (3) secondary coating: applying external force to separate the barrier sheet from the middle layer in the secondary semi-finished product, uniformly filling the liquid raw material of the second coating layer between the barrier sheet and the middle layer, and obtaining a tertiary semi-finished product after the second coating layer is solidified;
and E, the second coating layer is made of polyurethane material or acrylic material.
F: separating and cutting for the second time: and (3) applying external force to peel off the blocking piece from the second coating layer, and cutting off the seam line segment extending out of the coating layer to obtain the finished product base fabric.
And F, cutting and destroying the barrier sheet by adopting a cutter.
The glass fiber building membrane base cloth is creatively provided with a first coating part and a second coating part at two sides of the middle layer respectively, wherein the first coating part coats the lower end of the glass fiber short bundle, and the second coating part coats the middle part of the glass fiber short bundle. Meanwhile, the upper end of the glass fiber short bundle extends out of the second coating part, and a proper amount of glue can be stored at the upper end of the glass fiber short bundle, so that the upper part of the base cloth can be stably connected with other functional layers through the upper end of the glass fiber short bundle.
After the middle layer and the blocking sheet are overlapped, the glass fiber bundles are connected to a sewing machine as a suture, and after the sewing machine works, the glass fiber bundles are stably sutured on the middle layer and the blocking sheet.
After one time of cutting, the lower end of the suture line segment is knotted and then is coated with glue, and after the glue is solidified, the knotted part can be prevented from loosening.
After secondary cutting, the upper part of the blocking piece can form a plurality of sections of independent glass fiber bundles.
After the primary coating and the secondary coating, a first coating layer and a second coating layer can be stably formed on two sides of the intermediate layer.
And finally obtaining the finished base cloth after the barrier sheet glass.
Example two
As shown in fig. 1, the glass fiber building membrane base cloth comprises an intermediate layer of a grid cloth, a plurality of glass fiber short bundles are arranged at the corresponding intermediate layer in a penetrating manner, and the two sides of the intermediate layer are coated with coating parts for coating the intermediate layer: the lower ends of the glass fiber short bundles are covered in the first coating part, and the upper ends of the glass fiber short bundles extend out of the second coating part.
The lower end of the glass fiber short bundle is wound with a connector, the connector is blocked at the lower part of the middle layer, and the connector is covered by the coating part.
The end part of the short glass fiber bundles extending out of the second coating part is provided with a combination part for dispersing the plurality of bundles of wires.
The thickness dimension of the first coating part is the same as that of the second coating part, and the thickness of the intermediate layer is 1/2 of that of the first coating part.
The length dimension of the upper end of the glass fiber short bundle extending out of the second coating part is 3 times of the thickness dimension of the second coating part.
The preparation method of the glass fiber building membrane base cloth comprises the following steps:
A. preparation: selecting a flat and wrinkle-free grid cloth, and cleaning the grid cloth to obtain an intermediate layer;
B. pre-connection: connecting the glass fiber bundles to the needle head of the sewing machine;
placing a blocking sheet on the upper part of the middle layer, placing the middle layer and the blocking sheet at a sewing platform of a sewing machine after the middle layer is contacted with the blocking sheet surface and overlapped up and down, and sewing the glass fiber bundles at the middle layer and the blocking sheet after the sewing operation of the sewing machine;
the blocking sheet in the step B comprises a first layer body and a second layer body which are overlapped and fixedly connected through upper and lower punching, wherein the first layer body is made of hard paper board, and the second layer body is a PVC coating uniformly coated on the surface of the first layer body.
C. And (3) cutting at one time: cutting off the suture line segment at the lower part of the middle layer, coating glue on the end part of the suture line segment, knotting the end part of the suture line segment, and obtaining a primary semi-finished product after the glue is solidified;
the knotting of the suture segment in step C is done with a gap between the bottoms of the middle layers.
D. Primary coating: uniformly coating the liquid raw material on the lower part of the primary semi-finished product, and ensuring that the knotted part of the lower end of the suture line section is coated by the first coating layer in the coating process, and obtaining the secondary semi-finished product after the first coating layer is solidified;
the first coating layer in the step D is a polyurethane material or an acrylic material.
E. And (3) secondary coating: applying external force to separate the barrier sheet from the middle layer in the secondary semi-finished product, uniformly filling the liquid raw material of the second coating layer between the barrier sheet and the middle layer, and obtaining a tertiary semi-finished product after the second coating layer is solidified;
and E, the second coating layer is made of polyurethane material or acrylic material.
F: separating and cutting for the second time: and (3) applying external force to peel off the blocking piece from the second coating layer, and cutting off the seam line segment extending out of the coating layer to obtain the finished product base fabric.
And F, cutting and destroying the barrier sheet by adopting a cutter.
The glass fiber building membrane base cloth is creatively provided with a first coating part and a second coating part at two sides of the middle layer respectively, wherein the first coating part coats the lower end of the glass fiber short bundle, and the second coating part coats the middle part of the glass fiber short bundle. Meanwhile, the upper end of the glass fiber short bundle extends out of the second coating part, and a proper amount of glue can be stored at the upper end of the glass fiber short bundle, so that the upper part of the base cloth can be stably connected with other functional layers through the upper end of the glass fiber short bundle.
After the middle layer and the blocking sheet are overlapped, the glass fiber bundles are connected to a sewing machine as a suture, and after the sewing machine works, the glass fiber bundles are stably sutured on the middle layer and the blocking sheet.
After one time of cutting, the lower end of the suture line segment is knotted and then is coated with glue, and after the glue is solidified, the knotted part can be prevented from loosening.
After secondary cutting, the upper part of the blocking piece can form a plurality of sections of independent glass fiber bundles.
After the primary coating and the secondary coating, a first coating layer and a second coating layer can be stably formed on two sides of the intermediate layer.
And finally obtaining the finished base cloth after the barrier sheet glass.
Example III
As shown in fig. 1, the glass fiber building membrane base cloth comprises an intermediate layer of a grid cloth, a plurality of glass fiber short bundles are arranged at the corresponding intermediate layer in a penetrating manner, and the two sides of the intermediate layer are coated with coating parts for coating the intermediate layer: the lower ends of the glass fiber short bundles are covered in the first coating part, and the upper ends of the glass fiber short bundles extend out of the second coating part.
The lower end of the glass fiber short bundle is wound with a connector, the connector is blocked at the lower part of the middle layer, and the connector is covered by the coating part.
The end part of the short glass fiber bundles extending out of the second coating part is provided with a combination part for dispersing the plurality of bundles of wires.
The thickness dimension of the first coating part is the same as that of the second coating part, and the thickness of the intermediate layer is 1/3 of that of the first coating part.
The length dimension of the upper end of the glass fiber short bundle extending out of the second coating part is 3 times of the thickness dimension of the second coating part.
The preparation method of the glass fiber building membrane base cloth comprises the following steps:
A. preparation: selecting a flat and wrinkle-free grid cloth, and cleaning the grid cloth to obtain an intermediate layer;
B. pre-connection: connecting the glass fiber bundles to the needle head of the sewing machine;
placing a blocking sheet on the upper part of the middle layer, placing the middle layer and the blocking sheet at a sewing platform of a sewing machine after the middle layer is contacted with the blocking sheet surface and overlapped up and down, and sewing the glass fiber bundles at the middle layer and the blocking sheet after the sewing operation of the sewing machine;
the blocking sheet in the step B comprises a first layer body and a second layer body which are overlapped and fixedly connected through upper and lower punching, wherein the first layer body is made of hard paper board, and the second layer body is a PVC coating uniformly coated on the surface of the first layer body.
C. And (3) cutting at one time: cutting off the suture line segment at the lower part of the middle layer, coating glue on the end part of the suture line segment, knotting the end part of the suture line segment, and obtaining a primary semi-finished product after the glue is solidified;
the knotting of the suture segment in step C is done with a gap between the bottoms of the middle layers.
D. Primary coating: uniformly coating the liquid raw material on the lower part of the primary semi-finished product, and ensuring that the knotted part of the lower end of the suture line section is coated by the first coating layer in the coating process, and obtaining the secondary semi-finished product after the first coating layer is solidified;
the first coating layer in the step D is a polyurethane material or an acrylic material.
E. And (3) secondary coating: applying external force to separate the barrier sheet from the middle layer in the secondary semi-finished product, uniformly filling the liquid raw material of the second coating layer between the barrier sheet and the middle layer, and obtaining a tertiary semi-finished product after the second coating layer is solidified;
and E, the second coating layer is made of polyurethane material or acrylic material.
F: separating and cutting for the second time: and (3) applying external force to peel off the blocking piece from the second coating layer, and cutting off the seam line segment extending out of the coating layer to obtain the finished product base fabric.
And F, cutting and destroying the barrier sheet by adopting a cutter.
The glass fiber building membrane base cloth is creatively provided with a first coating part and a second coating part at two sides of the middle layer respectively, wherein the first coating part coats the lower end of the glass fiber short bundle, and the second coating part coats the middle part of the glass fiber short bundle. Meanwhile, the upper end of the glass fiber short bundle extends out of the second coating part, and a proper amount of glue can be stored at the upper end of the glass fiber short bundle, so that the upper part of the base cloth can be stably connected with other functional layers through the upper end of the glass fiber short bundle.
After the middle layer and the blocking sheet are overlapped, the glass fiber bundles are connected to a sewing machine as a suture, and after the sewing machine works, the glass fiber bundles are stably sutured on the middle layer and the blocking sheet.
After one time of cutting, the lower end of the suture line segment is knotted and then is coated with glue, and after the glue is solidified, the knotted part can be prevented from loosening.
After secondary cutting, the upper part of the blocking piece can form a plurality of sections of independent glass fiber bundles.
After the primary coating and the secondary coating, a first coating layer and a second coating layer can be stably formed on two sides of the intermediate layer.
And finally obtaining the finished base cloth after the barrier sheet glass.
The technical features of the above-described embodiments may be combined in any manner, and for brevity, all of the possible combinations of the technical features of the above-described embodiments are not described, however, all of the combinations of the technical features should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
It will be appreciated by persons skilled in the art that the above embodiments have been provided for the purpose of illustrating the invention and are not to be construed as limiting the invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.
Claims (10)
1. The utility model provides a glass fiber building membrane material base cloth, its characterized in that includes the intermediate level of net cloth, and a plurality of glass fiber short bundles wear to establish in the intermediate level department that corresponds, the both sides of intermediate level all are coated with the coating portion with the intermediate level cladding: the lower ends of the glass fiber short bundles are covered in the first coating part, and the upper ends of the glass fiber short bundles extend out of the second coating part.
2. The glass fiber building membrane base cloth of claim 1 wherein the lower ends of the glass fiber tows are wound with joints, the joints are blocked at the lower part of the middle layer, and the coating part wraps the joints.
3. The glass fiber building membrane substrate of claim 2 wherein the end of the glass fiber tows extending beyond the second coating portion has a bond that breaks apart the plurality of strands.
4. A glass fiber building membrane substrate according to claim 3, wherein the first and second coating portions have the same thickness dimension, and the thickness of the intermediate layer is 1/3-1/2 of the thickness dimension of the first coating portion.
5. The glass fiber building membrane base cloth according to claim 4, wherein the length dimension of the upper end of the glass fiber short bundle extending out of the second coating part is 2-3 times of the thickness dimension of the second coating part.
6. The preparation method of the glass fiber building membrane base cloth is characterized by comprising the following steps of:
A. preparation: selecting a flat and wrinkle-free grid cloth, and cleaning the grid cloth to obtain an intermediate layer;
B. pre-connection: connecting the glass fiber bundles to the needle head of the sewing machine;
placing a blocking sheet on the upper part of the middle layer, placing the middle layer and the blocking sheet at a sewing platform of a sewing machine after the middle layer is contacted with the blocking sheet surface and overlapped up and down, and sewing the glass fiber bundles at the middle layer and the blocking sheet after the sewing operation of the sewing machine;
C. and (3) cutting at one time: cutting off the suture line segment at the lower part of the middle layer, coating glue on the end part of the suture line segment, knotting the end part of the suture line segment, and obtaining a primary semi-finished product after the glue is solidified;
D. primary coating: uniformly coating the liquid raw material on the lower part of the primary semi-finished product, and ensuring that the knotted part of the lower end of the suture line section is coated by the first coating layer in the coating process, and obtaining the secondary semi-finished product after the first coating layer is solidified;
E. and (3) secondary coating: applying external force to separate the barrier sheet from the middle layer in the secondary semi-finished product, uniformly filling the liquid raw material of the second coating layer between the barrier sheet and the middle layer, and obtaining a tertiary semi-finished product after the second coating layer is solidified;
f: separating and cutting for the second time: and (3) applying external force to peel off the blocking piece from the second coating layer, and cutting off the seam line segment extending out of the coating layer to obtain the finished product base fabric.
7. The method of claim 6, wherein the barrier sheet in the step B comprises a first layer and a second layer, wherein the first layer is a cardboard, and the second layer is a PVC coating uniformly coated on one surface of the first layer.
8. The method of claim 7, wherein the knotting of the suture segments in step C is performed with a gap between the bottoms of the intermediate layers.
9. The method of claim 8, wherein the first coating layer in the step D is a polyurethane material or an acrylic material.
10. The method for preparing a glass fiber building membrane substrate according to claim 9, wherein the second coating layer in the step E is a polyurethane material or an acrylic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311122406.2A CN117231061A (en) | 2023-08-31 | 2023-08-31 | Glass fiber building membrane base cloth and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311122406.2A CN117231061A (en) | 2023-08-31 | 2023-08-31 | Glass fiber building membrane base cloth and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117231061A true CN117231061A (en) | 2023-12-15 |
Family
ID=89093938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311122406.2A Pending CN117231061A (en) | 2023-08-31 | 2023-08-31 | Glass fiber building membrane base cloth and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117231061A (en) |
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2023
- 2023-08-31 CN CN202311122406.2A patent/CN117231061A/en active Pending
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