CN106283684A - The preparation method of a kind of modified Teflon cloth and the purposes of the modified Teflon cloth that utilizes the method to obtain - Google Patents
The preparation method of a kind of modified Teflon cloth and the purposes of the modified Teflon cloth that utilizes the method to obtain Download PDFInfo
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- CN106283684A CN106283684A CN201610634357.4A CN201610634357A CN106283684A CN 106283684 A CN106283684 A CN 106283684A CN 201610634357 A CN201610634357 A CN 201610634357A CN 106283684 A CN106283684 A CN 106283684A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/047—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with fluoropolymers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0022—Glass fibres
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2205/00—Condition, form or state of the materials
- D06N2205/02—Dispersion
- D06N2205/023—Emulsion, aqueous dispersion, latex
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/04—Properties of the materials having electrical or magnetic properties
- D06N2209/041—Conductive
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/06—Properties of the materials having thermal properties
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/10—Properties of the materials having mechanical properties
- D06N2209/108—Slipping, anti-blocking, low friction
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/14—Properties of the materials having chemical properties
- D06N2209/143—Inert, i.e. inert to chemical degradation, corrosion resistant
Abstract
The present invention relates to the preparation method of a kind of modified Teflon cloth, comprise the following steps: alkali-free glass fiber cloth is under the Based Intelligent Control of equipment is drawn, advance with constant speed, through be repeatedly sufficiently impregnated with containing special ratios for 4 times for increasing the conductive carbon powder of electric conductivity, serving as the politef glue of the aerosil powder of dumb light powder and heat, carry out baking sintering again, carry out the process cooled down the most again；Also disclose the purposes of the modified Teflon cloth utilizing the method to obtain.It is an advantage of the current invention that: simple, the Teflon glass-fiber-fabric finally given has certain intensity and elasticity, matte surface is the least to the reflection of light, and surface remains able to see that the texture of glass fabric clearly, hands touch with frosted sense, airtight, a small amount of trickle material can be glued, but will not glue too many, high temperature resistant 250 degree, resistance to chemical attack, is suitable for doing reagent paper raw material.
Description
Technical field
The preparation method that the present invention relates to a kind of modified Teflon cloth and the modified Teflon cloth utilizing the method to obtain
Purposes.
Background technology
Some are used for whether testing staff in public places carries the import/domestic trace substance composition detection instrument of contraband
Device, needs to use the sampling reagent paper of a kind of specific type: by reagent paper toward staff garments is upper or article surface is wiped gently, reagent paper
On will be stained with the powder of trace, after inserting detecting instrument, first reagent paper is heated to 200～240 by the heater of instrument front end
DEG C, if any contraband, because contraband gasification temperature/decomposition temperature generally ratio is relatively low, can evaporate or resolve into gas, so
Block solid matter by one layer of semipermeable membrane afterwards and allow gas be inhaled into inside high pressure ionization chamber, then by distinctive technology just
The material composition of correspondence can be detected, thus judge that these personnel/article the most once contacted contraband.
Here reagent paper is had some special requirements: 1, the thickness of reagent paper is less than or equal to 0.25mm, has certain intensity
And elasticity, and the profile of particular design, because each producer, every kind of instrument has the special overall dimensions aspect of oneself to want
Ask；2, reagent paper to be resistant to 240 DEG C of high temperature, can not melt under 240 ° of high temperature, can not volatilize even the vaporous thing of denier
Matter, otherwise after reagent paper inserting instrument, instrument can false alarm；3, reagent paper is wanted to be stained with a little powdered substance, but the most not
Can be viscous too much, otherwise it is easy to bring too many dust into and pollute damage check instrument during instrument uses frequently；4、
Reagent paper to have certain electric conductivity, it is to avoid is electrostatically drawn to too many material, inserting instrument because building up when rubbing with object
After stain damage check instrument；5, reagent paper surface can not be reflective, because many instruments can detect whether reagent paper uses special material
The reagent paper of processing；6, additionally considering for economic aspect, reagent paper must be wear-resisting to be used for multiple times.
Can meet this respect requirement and common material, first-selection is Teflon glass-fiber-fabric simultaneously, but general Teflon
The dragon usual surface of glass-fiber-fabric the most smooth reflective is also fine, and trace substance is difficult to be bonded at surface, and a lot of common Teflon glass
Fine cloth can volatilize the gaseous matter of trace when meeting high temperature, uses the frequent false alarm of Instrumental, it is possible to meet the examination required
Paper material cloth needs research and development especially could meet requirement.
Summary of the invention
The preparation method that it is an object of the invention to provide a kind of modified Teflon cloth and the modification utilizing the method to obtain
The purposes of Teflon cloth, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme: the preparation method of a kind of modified Teflon cloth, including
Following steps:
S1, get the raw materials ready: prepare alkali-free glass fiber cloth that thickness is 0.15～0.22mm, deionized water, conductive carbon powder, gas phase
Silicon dioxide powder, politef dispersion emulsion, and four glue grooves holding glue；
S2, preparation glue: in glue groove one, add deionized water, aerosil powder, politef dispersion emulsion,
The percentage by weight making aerosil powder is 1.0～1.5%, and the percentage by weight of politef dispersion emulsion is
51.5～52.5%；Deionized water, aerosil powder, politef dispersion emulsion is added so that gas in glue groove two
The percentage by weight of aerosil powder is 1.0～1.5%, the percentage by weight of politef dispersion emulsion be 53.5～
54.5%；Deionized water, aerosil powder, politef dispersion emulsion is added so that gas phase dioxy in glue groove three
The percentage by weight of SiClx powder is 1.0～1.5%, and the percentage by weight of politef dispersion emulsion is 55.5～56.5%；
Deionized water, aerosil powder, conductive carbon powder, politef dispersion emulsion is added so that gas phase two in glue groove four
The percentage by weight of silica powder is 1.5～2.0%, and the percentage by weight of conductive carbon powder is 5～7%, and politef disperses
The percentage by weight of emulsion is 53.5～54.5%；
S3, for the first time dipping: alkali-free glass fiber cloth uniform speed slow is pulled into forward in glue groove one, makes glue abundant
Being impregnated with cloth, cloth passes after leaving glue groove and mixes up in advance for a pair for controlling cloth two sides spread and the rustless steel of the gluing uniformity
Nip rolls, subsequently into 90～110 DEG C of thermal treatment zone heating 1.5～2.5min, obtains impregnated cloth for the first time；
S4, second time dipping: first time impregnated cloth uniform speed slow is pulled into forward in glue groove two, allows glue fully soak
Stain cloth surface, cloth passes after leaving glue groove and mixes up in advance for a pair for controlling cloth two sides spread and the rustless steel of the gluing uniformity
Nip rolls, subsequently into 90～110 DEG C of thermal treatment zone heating 1.5～2.5min, obtains second time impregnated cloth；
S5, third time dipping: second time impregnated cloth uniform speed slow is pulled into forward in glue groove three, allows glue fully soak
Stain cloth surface, cloth passes after leaving glue groove and mixes up in advance for a pair for controlling cloth two sides spread and the rustless steel of the gluing uniformity
Nip rolls, subsequently into 90～110 DEG C of thermal treatment zone heating 1.5～2.5min, obtains third time impregnated cloth；
S6, the 4th dipping: third time impregnated cloth uniform speed slow is pulled into forward in glue groove four, allows glue fully soak
Stain cloth surface, cloth passes after leaving glue groove and mixes up in advance for a pair for controlling cloth two sides spread and the rustless steel of the gluing uniformity
Nip rolls, subsequently into 90～110 DEG C of thermal treatment zone heating 1.5～2.5min, obtains the 4th impregnated cloth；
S7, baking: drawing into baking zone by the 4th impregnated cloth, controlling temperature is 275～285 DEG C, the time 4～6min；
S8, sintering: enter back into sintering zone, controlling temperature is 360～380 DEG C, the time 4～6min；
S9, cooling: enter room temperature quenching district cooling 2～4min, batching, obtain finished product.
The purposes of the modified Teflon cloth that described method obtains, described modified Teflon cloth is used for reagent paper raw material.
Compared with prior art, the invention has the beneficial effects as follows: present invention process is simple, and alkali-free glass fiber cloth is at equipment
Based Intelligent Control under, advance with constant speed, gentle through being repeatedly sufficiently impregnated with the interpolation conductive carbon powder of certain concentration for 4 times altogether
The politef glue of aerosil powder also heats, and finally carries out the process toasted, the Teflon glass-fiber-fabric finally given
Having certain intensity and elasticity, matte surface is the least to the reflection of light, and surface remains able to see glass fibre clearly
The texture of cloth, hands touches with frosted sense, airtight, can glue a small amount of trickle material, but will not glue too many, high temperature resistant 250 degree, resistance to
Chemical attack, is suitable for doing reagent paper raw material.
Detailed description of the invention
Below in conjunction with embodiment, technical scheme is clearly and completely described, it is clear that described
Embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, this area
The every other embodiment that those of ordinary skill is obtained under not making creative work premise, broadly falls into present invention protection
Scope.
[embodiment 1]:
The preparation method of a kind of modified Teflon cloth, comprises the following steps:
S1, get the raw materials ready: preparing thickness is the alkali-free glass fiber cloth of 0.15mm, deionized water, conductive carbon powder, gas phase titanium dioxide
Silica flour, politef dispersion emulsion, and four glue grooves holding glue；
S2, preparation glue: in glue groove one, add deionized water, aerosil powder, politef dispersion emulsion,
The percentage by weight making aerosil powder is 1.0%, and the percentage by weight of politef dispersion emulsion is 51.5%；
Deionized water, aerosil powder, politef dispersion emulsion is added so that aerosil powder in glue groove two
Percentage by weight is 1.0%, and the percentage by weight of politef dispersion emulsion is 53.5%；Deionization is added in glue groove three
Water, aerosil powder, politef dispersion emulsion so that the percentage by weight of aerosil powder is 1.0%, poly-
The percentage by weight of tetrafluoroethene dispersion emulsion is 55.5%；In glue groove four, add deionized water, aerosil powder, lead
Electrical carbon powder, politef dispersion emulsion so that the percentage by weight of aerosil powder is 1.5%, the weight of conductive carbon powder
Amount percentage ratio is 5%, and the percentage by weight of politef dispersion emulsion is 53.5%；
S3, for the first time dipping: alkali-free glass fiber cloth uniform speed slow is pulled into forward in glue groove one, makes glue abundant
Being impregnated with cloth, cloth passes after leaving glue groove and mixes up in advance for a pair for controlling cloth two sides spread and the rustless steel of the gluing uniformity
Nip rolls, subsequently into 90 DEG C of thermal treatment zone heating 1.5min, obtains impregnated cloth for the first time；
S4, second time dipping: first time impregnated cloth uniform speed slow is pulled into forward in glue groove two, allows glue fully soak
Stain cloth surface, cloth passes after leaving glue groove and mixes up in advance for a pair for controlling cloth two sides spread and the rustless steel of the gluing uniformity
Nip rolls, subsequently into 90 DEG C of thermal treatment zone heating 1.5min, obtains second time impregnated cloth；
S5, third time dipping: second time impregnated cloth uniform speed slow is pulled into forward in glue groove three, allows glue fully soak
Stain cloth surface, cloth passes after leaving glue groove and mixes up in advance for a pair for controlling cloth two sides spread and the rustless steel of the gluing uniformity
Nip rolls, subsequently into 90 DEG C of thermal treatment zone heating 1.5min, obtains third time impregnated cloth；
S6, the 4th dipping: third time impregnated cloth uniform speed slow is pulled into forward in glue groove four, allows glue fully soak
Stain cloth surface, cloth passes after leaving glue groove and mixes up in advance for a pair for controlling cloth two sides spread and the rustless steel of the gluing uniformity
Nip rolls, subsequently into 90 DEG C of thermal treatment zone heating 1.5min, obtains the 4th impregnated cloth；
S7, baking: drawing into baking zone by the 4th impregnated cloth, controlling temperature is 275 DEG C, time 4min；
S8, sintering: enter back into sintering zone, controlling temperature is 360 DEG C, time 4min；
S9, cooling: enter room temperature quenching district cooling 2min, batching, obtain finished product.
The purposes of the modified Teflon cloth that described method obtains, described modified Teflon cloth is used for reagent paper raw material.
[embodiment 2]:
The preparation method of a kind of modified Teflon cloth, comprises the following steps:
S1, get the raw materials ready: preparing thickness is the alkali-free glass fiber cloth of 0.18mm, deionized water, conductive carbon powder, gas phase titanium dioxide
Silica flour, politef dispersion emulsion, and four glue grooves holding glue；
S2, preparation glue: in glue groove one, add deionized water, aerosil powder, politef dispersion emulsion,
The percentage by weight making aerosil powder is 1.2%, and the percentage by weight of politef dispersion emulsion is 52%；To
Deionized water, aerosil powder, politef dispersion emulsion is added so that the weight of aerosil powder in glue groove two
Amount percentage ratio is 1.2%, and the percentage by weight of politef dispersion emulsion is 54%；In glue groove three add deionized water,
Aerosil powder, politef dispersion emulsion so that the percentage by weight of aerosil powder is 1.3%, poly-four
The percentage by weight of fluorothene dispersion emulsion is 56%；Deionized water, aerosil powder, conductive carbon is added in glue groove four
Powder, politef dispersion emulsion so that the percentage by weight of aerosil powder is 1.8%, the weight hundred of conductive carbon powder
Proportion by subtraction is 6%, and the percentage by weight of politef dispersion emulsion is 54%；
S3, for the first time dipping: alkali-free glass fiber cloth uniform speed slow is pulled into forward in glue groove one, makes glue abundant
Being impregnated with cloth, cloth passes after leaving glue groove and mixes up in advance for a pair for controlling cloth two sides spread and the rustless steel of the gluing uniformity
Nip rolls, subsequently into 100 DEG C of thermal treatment zone heating 2min, obtains impregnated cloth for the first time；
S4, second time dipping: first time impregnated cloth uniform speed slow is pulled into forward in glue groove two, allows glue fully soak
Stain cloth surface, cloth passes after leaving glue groove and mixes up in advance for a pair for controlling cloth two sides spread and the rustless steel of the gluing uniformity
Nip rolls, subsequently into 100 DEG C of thermal treatment zone heating 2min, obtains second time impregnated cloth；
S5, third time dipping: second time impregnated cloth uniform speed slow is pulled into forward in glue groove three, allows glue fully soak
Stain cloth surface, cloth passes after leaving glue groove and mixes up in advance for a pair for controlling cloth two sides spread and the rustless steel of the gluing uniformity
Nip rolls, subsequently into 100 DEG C of thermal treatment zone heating 2min, obtains third time impregnated cloth；
S6, the 4th dipping: third time impregnated cloth uniform speed slow is pulled into forward in glue groove four, allows glue fully soak
Stain cloth surface, cloth passes after leaving glue groove and mixes up in advance for a pair for controlling cloth two sides spread and the rustless steel of the gluing uniformity
Nip rolls, subsequently into 100 DEG C of thermal treatment zone heating 2min, obtains the 4th impregnated cloth；
S7, baking: drawing into baking zone by the 4th impregnated cloth, controlling temperature is 280 DEG C, time 5min；
S8, sintering: enter back into sintering zone, controlling temperature is 370 DEG C, time 5min；
S9, cooling: enter room temperature quenching district cooling 3min, batching, obtain finished product.
The purposes of the modified Teflon cloth that described method obtains, described modified Teflon cloth is used for reagent paper raw material.
[embodiment 3]:
The preparation method of a kind of modified Teflon cloth, comprises the following steps:
S1, get the raw materials ready: preparing thickness is the alkali-free glass fiber cloth of 0.22mm, deionized water, conductive carbon powder, gas phase titanium dioxide
Silica flour, politef dispersion emulsion, and four glue grooves holding glue；
S2, preparation glue: in glue groove one, add deionized water, aerosil powder, politef dispersion emulsion,
The percentage by weight making aerosil powder is 1.5%, and the percentage by weight of politef dispersion emulsion is 52.5%；
Deionized water, aerosil powder, politef dispersion emulsion is added so that aerosil powder in glue groove two
Percentage by weight is 1.5%, and the percentage by weight of politef dispersion emulsion is 54.5%；Deionization is added in glue groove three
Water, aerosil powder, politef dispersion emulsion so that the percentage by weight of aerosil powder is 1.5%, poly-
The percentage by weight of tetrafluoroethene dispersion emulsion is 56.5%；In glue groove four, add deionized water, aerosil powder, lead
Electrical carbon powder, politef dispersion emulsion so that the percentage by weight of aerosil powder is 2.0%, the weight of conductive carbon powder
Amount percentage ratio is 7%, and the percentage by weight of politef dispersion emulsion is 54.5%；
S3, for the first time dipping: alkali-free glass fiber cloth uniform speed slow is pulled into forward in glue groove one, makes glue abundant
Being impregnated with cloth, cloth passes after leaving glue groove and mixes up in advance for a pair for controlling cloth two sides spread and the rustless steel of the gluing uniformity
Nip rolls, subsequently into 110 DEG C of thermal treatment zone heating 2.5min, obtains impregnated cloth for the first time；
S4, second time dipping: first time impregnated cloth uniform speed slow is pulled into forward in glue groove two, allows glue fully soak
Stain cloth surface, cloth passes after leaving glue groove and mixes up in advance for a pair for controlling cloth two sides spread and the rustless steel of the gluing uniformity
Nip rolls, subsequently into 110 DEG C of thermal treatment zone heating 2.5min, obtains second time impregnated cloth；
S5, third time dipping: second time impregnated cloth uniform speed slow is pulled into forward in glue groove three, allows glue fully soak
Stain cloth surface, cloth passes after leaving glue groove and mixes up in advance for a pair for controlling cloth two sides spread and the rustless steel of the gluing uniformity
Nip rolls, subsequently into 110 DEG C of thermal treatment zone heating 2.5min, obtains third time impregnated cloth；
S6, the 4th dipping: third time impregnated cloth uniform speed slow is pulled into forward in glue groove four, allows glue fully soak
Stain cloth surface, cloth passes after leaving glue groove and mixes up in advance for a pair for controlling cloth two sides spread and the rustless steel of the gluing uniformity
Nip rolls, subsequently into 110 DEG C of thermal treatment zone heating 2.5min, obtains the 4th impregnated cloth；
S7, baking: drawing into baking zone by the 4th impregnated cloth, controlling temperature is 285 DEG C, time 6min；
S8, sintering: enter back into sintering zone, controlling temperature is 380 DEG C, time 6min；
S9, cooling: enter room temperature quenching district cooling 4min, batching, obtain finished product.
The purposes of the modified Teflon cloth that described method obtains, described modified Teflon cloth is used for reagent paper raw material.
Although the present invention being described in detail with reference to previous embodiment, for a person skilled in the art,
Technical scheme described in foregoing embodiments still can be modified by it, or carries out wherein portion of techniques feature
With replacing, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in this
Within the protection domain of invention.
Claims (2)
1. the preparation method of a modified Teflon cloth, it is characterised in that: comprise the following steps:
S1, get the raw materials ready: prepare alkali-free glass fiber cloth that thickness is 0.15～0.22mm, deionized water, conductive carbon powder, gas phase dioxy
SiClx powder, politef dispersion emulsion, and four glue grooves holding glue；
S2, preparation glue: in glue groove one, add deionized water, aerosil powder, politef dispersion emulsion so that
The percentage by weight of aerosil powder is 1.0～1.5%, the percentage by weight of politef dispersion emulsion be 51.5～
52.5%；Deionized water, aerosil powder, politef dispersion emulsion is added so that gas phase dioxy in glue groove two
The percentage by weight of SiClx powder is 1.0～1.5%, and the percentage by weight of politef dispersion emulsion is 53.5～54.5%；
Deionized water, aerosil powder, politef dispersion emulsion is added so that aerosil powder in glue groove three
Percentage by weight is 1.0～1.5%, and the percentage by weight of politef dispersion emulsion is 55.5～56.5%；To glue groove four
Interior addition deionized water, aerosil powder, conductive carbon powder, politef dispersion emulsion so that aerosil powder
Percentage by weight be 1.5～2.0%, the percentage by weight of conductive carbon powder is 5～7%, the weight of politef dispersion emulsion
Amount percentage ratio is 53.5～54.5%；
S3, for the first time dipping: alkali-free glass fiber cloth uniform speed slow is pulled into forward in glue groove one, allows glue be thoroughly impregnated with
Cloth, cloth passes after leaving glue groove and mixes up the stainless steel clamp for controlling cloth two sides spread and the gluing uniformity for a pair in advance
Roller, subsequently into 90～110 DEG C of thermal treatment zone heating 1.5～2.5min, obtains impregnated cloth for the first time；
S4, second time dipping: first time impregnated cloth uniform speed slow is pulled into forward in glue groove two, allows glue be sufficiently impregnated with cloth
Surface, cloth passes after leaving glue groove and mixes up the stainless steel clamp for controlling cloth two sides spread and the gluing uniformity for a pair in advance
Roller, subsequently into 90～110 DEG C of thermal treatment zone heating 1.5～2.5min, obtains second time impregnated cloth；
S5, third time dipping: second time impregnated cloth uniform speed slow is pulled into forward in glue groove three, allows glue be sufficiently impregnated with cloth
Surface, cloth passes after leaving glue groove and mixes up the stainless steel clamp for controlling cloth two sides spread and the gluing uniformity for a pair in advance
Roller, subsequently into 90～110 DEG C of thermal treatment zone heating 1.5～2.5min, obtains third time impregnated cloth；
S6, the 4th dipping: third time impregnated cloth uniform speed slow is pulled into forward in glue groove four, allows glue be sufficiently impregnated with cloth
Surface, cloth passes after leaving glue groove and mixes up the stainless steel clamp for controlling cloth two sides spread and the gluing uniformity for a pair in advance
Roller, subsequently into 90～110 DEG C of thermal treatment zone heating 1.5～2.5min, obtains the 4th impregnated cloth；
S7, baking: drawing into baking zone by the 4th impregnated cloth, controlling temperature is 275～285 DEG C, the time 4～6min；
S8, sintering: enter back into sintering zone, controlling temperature is 360～380 DEG C, the time 4～6min；
S9, cooling: enter room temperature quenching district cooling 2～4min, batching, obtain finished product.
2. utilize the purposes of the modified Teflon cloth that the method for claim 1 obtains, it is characterised in that: described modification
Teflon cloth is used for reagent paper raw material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610634357.4A CN106283684A (en) | 2016-08-04 | 2016-08-04 | The preparation method of a kind of modified Teflon cloth and the purposes of the modified Teflon cloth that utilizes the method to obtain |
Applications Claiming Priority (1)
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Application publication date: 20170104 |