CN207533065U - A kind of microporous teflon membran - Google Patents
A kind of microporous teflon membran Download PDFInfo
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- CN207533065U CN207533065U CN201721565576.8U CN201721565576U CN207533065U CN 207533065 U CN207533065 U CN 207533065U CN 201721565576 U CN201721565576 U CN 201721565576U CN 207533065 U CN207533065 U CN 207533065U
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- silicon dioxide
- microporous teflon
- teflon membran
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Abstract
The utility model provides a kind of microporous teflon membran.Belong to plastic products technology field.The utility model includes membrane body, has in the membrane body and uses hollow layer, has hollow nano-silicon dioxide particle in the hollow layer.The utility model forms hollow layer in the intermediate of film, hollow layer structure is protected not to be crushed, and make the weight saving of film, anti-impact force enhancing.
Description
Technical field
The utility model belongs to plastic products technology field, is related to a kind of microporous teflon membran.
Background technology
The chemical stability of polytetrafluoroethylene (PTFE) height, which imparts its product, has the characteristics such as the strong acid of resistance to highly basic, high temperature resistant, separately
Also there is excellent hydrophobicity outside.The film made of polytetrafluoroethylene (PTFE) has preferable waterproof and etch-proof effect, but works as
When film thickness relatively wraps, the anti-impact force of the film has to be strengthened.
Chinese patent discloses a kind of waterproof polytetrafluoroethylene film [application number：201610185348.1], preparation method
Include the following steps successively：(1) batch mixing：Teflon resin powder, fluid lubricant, hydrophobic material are stirred；(2)
Green compact and calendering：By the polytetrafluoroethylene (PTFE) material by green compact, polytetrafluoroethylene (PTFE) base band is made in calendering；(3) longitudinal stretching and
Steam treatment：By the PTFE base longitudinal stretching, water vapour decatize obtains degreasing base band；(4) cross directional stretch and heat
Sizing：By degreasing base band cross directional stretch on tenter, thermal finalization is sintered, obtains heat-setting thin-film.The utility model obtains
The polytetrafluoroethylene film arrived has good water-proof effect, feature in homogeneous thickness.But the utility model is solid film, is resisted
Impact force also has to be strengthened.
Utility model content
The purpose of this utility model is regarding to the issue above and defect, to provide a kind of microporous teflon membran.
A kind of microporous teflon membran has including membrane body, in the membrane body and uses hollow layer, and described is hollow
There is hollow nano-silicon dioxide particle in layer.
In a kind of above-mentioned microporous teflon membran, the nano-silicon dioxide particle is spherical hollow structure.
In a kind of above-mentioned microporous teflon membran, the membrane body further includes poly- four positioned at hollow layer both sides
Vinyl fluoride layer.
In a kind of above-mentioned microporous teflon membran, the hollow layer is by least one layer of nanometer titanium dioxide to tile
Silicon particle forms.
In a kind of above-mentioned microporous teflon membran, if the hollow layer is by dried layer nano-silicon dioxide particle group
Into.
In a kind of above-mentioned microporous teflon membran, if the nanometer two in the dried layer nano-silicon dioxide particle
Silicon oxide particle is interlaced.
In a kind of above-mentioned microporous teflon membran, this microporous teflon membran includes the nanometer of 0.1-30wt%
The PTFE of silicon dioxide granule and 70-99.9wt%.
In a kind of above-mentioned microporous teflon membran, the microporous teflon membran includes receiving for 1-20wt%
The PTFE of rice silicon dioxide granule and 80-99wt%.
In a kind of above-mentioned microporous teflon membran, this microporous teflon membran includes the nano-silica of 16wt%
The PTFE of SiClx particle and 84wt%.
In a kind of above-mentioned microporous teflon membran, prepared with following steps：
1) PTFE and nano-silicon dioxide particle are subjected to batch mixing in high-speed mixer, mixture is put into mold and is pressed into
Green compact,
2) green compact are sintered the film that 0.03-1.500mm thickness is lathed after 8-24h at 380 DEG C.
Compared with prior art, the utility model advantage is：
1st, the microporous teflon membran of the utility model, intermediate in film form hollow layer, protect hollow layer structure not
It is crushed, and makes the weight saving of film, anti-impact force enhancing.
2nd, the multi-layer nano silicon dioxide granule structure of hollow layer forms multilayer buffering section, make the intensity of hollow layer into
One step is strengthened.
3rd, production method is simple and convenient, is manufactured convenient for scale.
Part is illustrated to embody by the further advantage, target and feature of the utility model by following, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the structure diagram of utility model.
Fig. 2 is another structure diagram of the utility model.
Fig. 3 is the A-A sectional views of Fig. 2.
Fig. 4 is the structure diagram of hollow layer.
Fig. 5 is another structure diagram of hollow layer.
In figure, membrane body 1, hollow layer 2, nano-silicon dioxide particle 3, polytetrafluoroethylene ethylene layer 4.
Specific embodiment
Embodiment 1
As shown in Figures 2 and 3, a kind of microporous teflon membran, including membrane body 1, in having in the membrane body 1
Dead level 2, the hollow layer 2 is interior to have hollow nano-silicon dioxide particle 3.Nano-silicon dioxide particle 3 is spherical hollow
Structure.
Membrane body 1 further includes the polytetrafluoroethylene ethylene layer 4 positioned at 2 both sides of hollow layer, the polytetrafluoroethyl-ne positioned at 2 both sides of hollow layer
Outside the nano-silicon dioxide particle 3 that alkene layer 4 is wrapped in hollow layer 2 and it is connected with each other.Hollow layer 2 is by least one layer tiling
Nano-silicon dioxide particle 3 forms.
This microporous teflon membran includes the nano-silicon dioxide particle of 0.1wt% and the PTFE of 99.9wt%.To
It is prepared by lower step：
1) PTFE and nano-silicon dioxide particle are subjected to batch mixing in high-speed mixer, mixture is put into mold and is pressed into
Green compact, high-speed mixer are the prior art, rotating speed 2200rpm, incorporation time 30mins,
2) green compact are sintered the film that 0.03mm thickness is lathed after 8h at 380 DEG C.
Embodiment 2
As shown in Figure 1, a kind of microporous teflon membran, including membrane body 1, has hollow layer in the membrane body 1
2, the hollow layer 2 is interior to have hollow nano-silicon dioxide particle 3.Nano-silicon dioxide particle 3 is spherical hollow structure.
Membrane body 1 further includes the polytetrafluoroethylene ethylene layer 4 positioned at 2 both sides of hollow layer, the polytetrafluoroethyl-ne positioned at 2 both sides of hollow layer
Outside the nano-silicon dioxide particle 3 that alkene layer 4 is wrapped in hollow layer 2 and it is connected with each other.It is described with reference to shown in Fig. 4 and Fig. 5
If hollow layer 2 is made of dried layer nano-silicon dioxide particle 3.
Preferably, if the nano-silicon dioxide particle 3 in dried layer nano-silicon dioxide particle 3 is interlaced.
This microporous teflon membran includes the nano-silicon dioxide particle of 30wt% and the PTFE of 70wt%.With following step
It is rapid to prepare：
1) PTFE and nano-silicon dioxide particle are subjected to batch mixing in high-speed mixer, mixture is put into mold and is pressed into
Green compact, high-speed mixer are the prior art, rotating speed 2000rpm, incorporation time 40mins,
2) green compact are sintered the film for being lathed 1.5mm thickness afterwards for 24 hours at 380 DEG C.
In the present embodiment, the thickness of hollow layer 2 is 1 with the thickness ratio of polytetrafluoroethylene ethylene layer 4:1.
The membrane porosity of the present embodiment has excellent intensity and toughness, the present embodiment is by hollow up to more than 30%
Nano-silicon dioxide particle make, can not only reduce the pollution to ambient air, it is ensured that production is safer.
Embodiment 3
The present embodiment is essentially identical with embodiment 1 or 2, and the difference lies in microporous teflon membran includes 1wt%'s
The PTFE of nano-silicon dioxide particle and 99wt%.
Embodiment 4
The present embodiment is essentially identical with embodiment 1 or 2, and the difference lies in microporous teflon membran includes 20wt%
Nano-silicon dioxide particle and 80wt% PTFE.
Embodiment 5
The present embodiment is essentially identical with embodiment 1 or 2, and the difference lies in this microporous teflon membran includes
The nano-silicon dioxide particle of 16wt% and the PTFE of 84wt%.
It is prepared with following steps：
1) PTFE and nano-silicon dioxide particle are subjected to batch mixing in high-speed mixer, mixture is put into mold and is pressed into
Green compact,
2) green compact are sintered the film that 1mm thickness is lathed after 12h at 370 DEG C.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although membrane body 1, hollow layer 2, nano-silicon dioxide particle 3, polytetrafluoroethylene ethylene layer 4 etc. is used more herein
Term, but it does not preclude the possibility of using other terms.The use of these items is only for more easily describe and explain
The essence of the utility model；It is contrary to the spirit of the present invention to interpret them as any one of the additional limitations.
Claims (6)
1. a kind of microporous teflon membran, including membrane body (1), which is characterized in that have in the membrane body (1) hollow
Layer (2), the hollow layer (2) is interior to have hollow nano-silicon dioxide particle (3).
A kind of 2. microporous teflon membran according to claim 1, which is characterized in that the nanometer titanium dioxide silicon grain
Sub (3) are spherical hollow structure.
3. a kind of microporous teflon membran according to claim 2, which is characterized in that the membrane body (1) also wraps
Include the polytetrafluoroethylene ethylene layer (4) positioned at hollow layer (2) both sides.
4. a kind of microporous teflon membran according to claim 2, which is characterized in that the hollow layer (2) is by extremely
Nano-silicon dioxide particle (3) composition of few one layer of tiling.
5. a kind of microporous teflon membran according to claim 2, which is characterized in that the hollow layer (2) if by
Dried layer nano-silicon dioxide particle (3) forms.
6. a kind of microporous teflon membran according to claim 5, which is characterized in that if the dried layer nano-silica
Nano-silicon dioxide particle (3) in SiClx particle (3) is interlaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721565576.8U CN207533065U (en) | 2017-11-21 | 2017-11-21 | A kind of microporous teflon membran |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721565576.8U CN207533065U (en) | 2017-11-21 | 2017-11-21 | A kind of microporous teflon membran |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207533065U true CN207533065U (en) | 2018-06-26 |
Family
ID=62614310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721565576.8U Active CN207533065U (en) | 2017-11-21 | 2017-11-21 | A kind of microporous teflon membran |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108079803A (en) * | 2017-11-21 | 2018-05-29 | 浙江德清科赛塑料制品有限公司 | A kind of microporous teflon membran |
| CN108079803B (en) * | 2017-11-21 | 2024-05-31 | 浙江科赛新材料科技有限公司 | Polytetrafluoroethylene microporous membrane |
-
2017
- 2017-11-21 CN CN201721565576.8U patent/CN207533065U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108079803A (en) * | 2017-11-21 | 2018-05-29 | 浙江德清科赛塑料制品有限公司 | A kind of microporous teflon membran |
| CN108079803B (en) * | 2017-11-21 | 2024-05-31 | 浙江科赛新材料科技有限公司 | Polytetrafluoroethylene microporous membrane |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 313200 Guangming Street, Deqing County Economic Development Zone, Huzhou, Zhejiang Province, No. 9 Patentee after: Zhejiang Kesai New Material Technology Co., Ltd Address before: 313200 Guangming Street, Deqing County Economic Development Zone, Huzhou, Zhejiang Province, No. 9 Patentee before: ZHEJIANG DEQING CONCEPTFE PLASTIC PRODUCTS Co.,Ltd. |