CN104626709A - Method for manufacturing repeatedly used tyre isolating films - Google Patents
Method for manufacturing repeatedly used tyre isolating films Download PDFInfo
- Publication number
- CN104626709A CN104626709A CN201510026284.6A CN201510026284A CN104626709A CN 104626709 A CN104626709 A CN 104626709A CN 201510026284 A CN201510026284 A CN 201510026284A CN 104626709 A CN104626709 A CN 104626709A
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- CN
- China
- Prior art keywords
- polyethylene
- polypropylene
- barrier film
- obtains
- warp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
- B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/08—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
Abstract
The invention relates to a method for manufacturing repeatedly used tyre isolating films. The method is characterized by comprising the following steps: (1) twisting dacron, chinlon or acrylic fibers to obtain multifilaments, and by taking the multifilaments as longitudes or wefts, and taking polypropylene monofilaments as wefts or longitudes, overlapping the longitudes and the wefts to make mesh grids, wherein multifilaments also can be adopted for the longitudes and the wefts; (2) delivering polyethylene or polypropylene material into an extruder, heating and melting the material in the extruder, and extruding the melted material to obtain polyethylene or polypropylene films; attaching the mesh grids obtained in the step (1) to the polyethylene or polypropylene films while extruding to obtain surface layers of the isolating films; and (3) melting the polyethylene or polypropylene material by the extruder, and extruding the melted material to obtain polyethylene or polypropylene films; and attaching the surface layers of the isolating films obtained in the step (2) to the polyethylene or polypropylene films, and cooling and forming the obtained product by a cooling roller to obtained isolating film. With the adoption of the method provided in the invention, the production difficulty is lowered, the processing efficiency is improved, and the obtained isolating film can be repeatedly used.
Description
Technical field
The present invention relates to a kind of manufacture method of reusable tire barrier film, belong to radial tyre production technical field.
Background technology
Tire barrier film is used for a kind of auxiliary material in tire production process, and effect is sheet rubber before making last sulfuration and air insulated, reaches effect that is fresh-keeping, dust-proof, shading.Existing common tire barrier film adopts polyethylene film mostly, when polyethylene film and sheet rubber are peeled off, there will be the phenomenons such as distortion, fold, perforation, thus can only single use.Have in prior art and adopt polypropylene woven cloth as basic framework, at one or both sides coating polyethylene or the polypropylene film of polypropylene woven cloth basic framework.There is following shortcoming in this method: (1) cost is high; (2) on polypropylene woven cloth, spraying polyethylene or polypropylene material are difficult to the shortcoming bonded; And after spraying polyethylene or polypropylene, barrier film out-of-flatness.In order to improve above-mentioned defect, adopt the structure arranging plastic knitting silk screen between two layers of polyethylene or polypropylene film in prior art, plastic knitting silk screen employing filament diameter is that the monofilament braiding of 0.05 millimeter to 0.35 millimeter forms.But we know, filament diameter is comparatively large, and spinning property is poor; And monofilament surface is smooth, rubs between the monofilament of, broadwise after being woven into silk screen less, easily slide.This just causes plastic knitting silk screen when, latitudinal density is larger, can not avoid the defect of polypropylene woven cloth; And weave silk screen when, latitudinal density is less, structurally more open again, when producing barrier film need braiding silk screen to be solidificated between two layers of polyethylene or polypropylene film, loose braided wires web frame easily produces dislocation, fold, skewness, cause certain difficulty to production barrier film, reduce production efficiency.Simultaneously because the diameter through, parallel of plastic mesh is fixing, cause the thickness of the junction of graticule be single warp, 2 times of parallel, cause finished product finished product thickness partially thick, partially firmly, be unfavorable for the production and application of tire enterprise.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of manufacture method of reusable tire barrier film is provided, reduces production difficulty, improve working (machining) efficiency, and ensure that the barrier film structure obtained is smooth, stable, can reuse.
According to technical scheme provided by the invention, the manufacture method of described reusable tire barrier film, is characterized in that, comprise the following steps:
(1) terylene of 150D ~ 2000D, polyamide fibre or acrylic fibers composite twist on twisting mill is adopted to obtain multifilament, adopt this multifilament as warp or parallel, adopt diameter be the polypropylene monofilament of 0.08 ~ 0.3mm as parallel or warp, by warp with parallel is mutually overlapping makes mesh grid; Or warp and parallel all adopt the multifilament of twisting and obtaining;
(2) polyethylene or polypropylene material are sent in extruder, extrude after heating and melting in an extruder, the melt temperature of polythene material is 175 ~ 195 DEG C, and polyacrylic melt temperature is 220 ~ 240 DEG C, obtains polyethylene or polypropylene film; While polyethylene or polypropylene film are extruded, stick the mesh grid that step (1) obtains, through chill roll cooling and shaping, chill-roll temperature is 8 ~ 10 DEG C, obtains barrier film surface layer;
(3) extruder is extruded after polyethylene or polypropylene material melting again, obtains polyethylene or polypropylene film; Stick the barrier film surface layer that step (2) obtains while extruding, through chill roll cooling and shaping, chill-roll temperature is 8 ~ 10 DEG C, obtains described barrier film; Described mesh grid is between two layers of polyethylene or polypropylene film.
Further, the density of described mesh grid warp-wise is 80 ~ 20/10cm, and the density of broadwise is 80 ~ 20/10cm.
Further, the thickness of described monolayer polyethylene or polypropylene film is 0.15 ~ 0.35mm.
Further, the gross thickness of described barrier film is 0.3 ~ 0.7mm.
The present invention has the following advantages: adopt woven mesh structure in the middle of (1) barrier film, makes the bonding effect of polyethylene or polypropylene film better, and barrier film surfacing; (2) warp-wise of mesh grid and/or the multifilament structure of broadwise employing twisting, good spinnability, between warp, broadwise, slippage is less likely to occur, the morphosis of mesh grid is comparatively stable, is convenient to the processing of barrier film, reduces production difficulty, raises the efficiency; (3) two layers of polyethylene or polypropylene film adopt the technique of successively extrusion molding, make more convenient to operate, lower to the requirement of equipment, and can prevent mesh grid in barrier film production process from producing fold, situation pockety generation; (4) structure of barrier film is smooth, stable, reuses number of times and is greater than 50 times.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment one: a kind of manufacture method of reusable tire barrier film, comprises the following steps:
(1) adopt terylene composite twist on twisting mill of 150D to obtain multifilament, adopt this multifilament as warp, adopt diameter be the polypropylene monofilament of 0.08mm as parallel, by warp with parallel is mutually overlapping makes mesh grid; The density of described mesh grid warp-wise is 80/10cm, and the density of broadwise is 80/10cm;
(2) send in extruder by polythene material, extrude in an extruder after heating and melting, the melt temperature of polythene material is 175 ~ 195 DEG C, obtains the polyethylene film that thickness is 0.15mm; While polyethylene film is extruded, stick the mesh grid that step (1) obtains, through chill roll cooling and shaping, chill-roll temperature is 8 DEG C, obtains barrier film surface layer;
(3) extruder is extruded after polythene material melting again, obtains the polyethylene film that thickness is 0.15mm; Stick the barrier film surface layer that step (2) obtains while extruding, through chill roll cooling and shaping, chill-roll temperature is 8 DEG C, obtains described barrier film, and the gross thickness of barrier film is 0.3mm; Described mesh grid is between two layers of polyethylene film.
Embodiment two: a kind of manufacture method of reusable tire barrier film, comprises the following steps:
(1) adopt polyamide fibre composite twist on twisting mill of 2000D to obtain multifilament, adopt this multifilament as parallel, adopt diameter be the polypropylene monofilament of 0.3mm as warp, by warp with parallel is mutually overlapping makes mesh grid; The density of described mesh grid warp-wise is 20/10cm, and the density of broadwise is 20/10cm;
(2) send in extruder by polypropylene material, extrude in an extruder after heating and melting, polyacrylic melt temperature is 220 ~ 240 DEG C, obtains the polypropylene film that thickness is 0.35mm; While polypropylene film is extruded, stick the mesh grid that step (1) obtains, through chill roll cooling and shaping, chill-roll temperature is 10 DEG C, obtains barrier film surface layer;
(3) extruder is extruded after polypropylene material melting again, obtains the polypropylene film that thickness is 0.35mm; Stick the barrier film surface layer that step (2) obtains while extruding, through chill roll cooling and shaping, chill-roll temperature is 10 DEG C, obtains described barrier film, and the gross thickness of barrier film is 0.7mm; Described mesh grid is between two layers of polypropylene film.
Embodiment three: a kind of manufacture method of reusable tire barrier film, comprises the following steps:
(1) adopt acrylic fibers composite twist on twisting mill of 1000D to obtain multifilament, adopt this multifilament as warp and parallel, by warp with parallel is mutually overlapping makes mesh grid; The density of described mesh grid warp-wise is 60/10cm, and the density of broadwise is 60/10cm;
(2) send in extruder by polypropylene material, extrude in an extruder after heating and melting, polyacrylic melt temperature is 220 ~ 240 DEG C, obtains the polypropylene film that thickness is 0.2mm; While polypropylene film is extruded, stick the mesh grid that step (1) obtains, through chill roll cooling and shaping, chill-roll temperature is 9 DEG C, obtains barrier film surface layer;
(3) extruder is extruded after polypropylene material melting again, obtains the polypropylene film that thickness is 0.2mm; Stick the barrier film surface layer that step (2) obtains while extruding, through chill roll cooling and shaping, chill-roll temperature is 9 DEG C, obtains described barrier film, and the gross thickness of barrier film is 0.4mm; Described mesh grid is between two layers of polypropylene film.
Claims (4)
1. a manufacture method for reusable tire barrier film, is characterized in that, comprise the following steps:
(1) terylene of 150D ~ 2000D, polyamide fibre or acrylic fibers composite twist on twisting mill is adopted to obtain multifilament, adopt this multifilament as warp or parallel, adopt diameter be the polypropylene monofilament of 0.08 ~ 0.3mm as parallel or warp, by warp with parallel is mutually overlapping makes mesh grid; Or warp and parallel all adopt the multifilament of twisting and obtaining;
(2) polyethylene or polypropylene material are sent in extruder, extrude after heating and melting in an extruder, the melt temperature of polythene material is 175 ~ 195 DEG C, and polyacrylic melt temperature is 220 ~ 240 DEG C, obtains polyethylene or polypropylene film; While polyethylene or polypropylene film are extruded, stick the mesh grid that step (1) obtains, through chill roll cooling and shaping, chill-roll temperature is 8 ~ 10 DEG C, obtains barrier film surface layer;
(3) extruder is extruded after polyethylene or polypropylene material melting again, obtains polyethylene or polypropylene film; Stick the barrier film surface layer that step (2) obtains while extruding, through chill roll cooling and shaping, chill-roll temperature is 8 ~ 10 DEG C, obtains described barrier film; Described mesh grid is between two layers of polyethylene or polypropylene film.
2. the manufacture method of reusable tire barrier film as claimed in claim 1, is characterized in that: the density of described mesh grid warp-wise is 80 ~ 20/10cm, and the density of broadwise is 80 ~ 20/10cm.
3. the manufacture method of reusable tire barrier film as claimed in claim 1, is characterized in that: the thickness of described monolayer polyethylene or polypropylene film is 0.15 ~ 0.35mm.
4. the manufacture method of reusable tire barrier film as claimed in claim 1, is characterized in that: the gross thickness of described barrier film is 0.3 ~ 0.7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510026284.6A CN104626709A (en) | 2015-01-20 | 2015-01-20 | Method for manufacturing repeatedly used tyre isolating films |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510026284.6A CN104626709A (en) | 2015-01-20 | 2015-01-20 | Method for manufacturing repeatedly used tyre isolating films |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104626709A true CN104626709A (en) | 2015-05-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510026284.6A Pending CN104626709A (en) | 2015-01-20 | 2015-01-20 | Method for manufacturing repeatedly used tyre isolating films |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104626709A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927325A (en) * | 2019-03-29 | 2019-06-25 | 吕庆菊 | A kind of adhesive tape shield and the preparation method and application thereof |
| CN109968765A (en) * | 2019-03-29 | 2019-07-05 | 吕庆菊 | A kind of sponge shield and the preparation method and application thereof |
| CN113978068A (en) * | 2021-10-22 | 2022-01-28 | 昊辰（无锡）塑业有限公司 | High-strength isolation film for tire production |
Citations (6)
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|---|---|---|---|---|
| CN2411836Y (en) * | 2000-01-14 | 2000-12-27 | 冶金工业部马鞍山矿山研究院 | Silk filtering cloth |
| CN1962261A (en) * | 2006-12-05 | 2007-05-16 | 青岛文武港橡塑有限公司 | Separation film for rubber film and its uses |
| CN102602017A (en) * | 2012-02-21 | 2012-07-25 | 卢建忠 | Preservative isolation layer capable of being circularly used for manufacturing rubber tires |
| CN102602016A (en) * | 2012-02-21 | 2012-07-25 | 卢建忠 | Fresh-keeping separating layer cyclically used in rubber tyre manufacturing |
| CN102941643A (en) * | 2012-12-07 | 2013-02-27 | 卢建忠 | Method for manufacturing fresh-keeping isolating layers circularly used for rubber tire preparation |
| CN103862767A (en) * | 2014-03-27 | 2014-06-18 | 昊辰（无锡）塑业有限公司 | Polyethylene isolating membrane repeatedly used in tire production and preparation method thereof |
-
2015
- 2015-01-20 CN CN201510026284.6A patent/CN104626709A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2411836Y (en) * | 2000-01-14 | 2000-12-27 | 冶金工业部马鞍山矿山研究院 | Silk filtering cloth |
| CN1962261A (en) * | 2006-12-05 | 2007-05-16 | 青岛文武港橡塑有限公司 | Separation film for rubber film and its uses |
| CN102602017A (en) * | 2012-02-21 | 2012-07-25 | 卢建忠 | Preservative isolation layer capable of being circularly used for manufacturing rubber tires |
| CN102602016A (en) * | 2012-02-21 | 2012-07-25 | 卢建忠 | Fresh-keeping separating layer cyclically used in rubber tyre manufacturing |
| CN102941643A (en) * | 2012-12-07 | 2013-02-27 | 卢建忠 | Method for manufacturing fresh-keeping isolating layers circularly used for rubber tire preparation |
| CN103862767A (en) * | 2014-03-27 | 2014-06-18 | 昊辰（无锡）塑业有限公司 | Polyethylene isolating membrane repeatedly used in tire production and preparation method thereof |
Non-Patent Citations (2)
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| 张一心主编: "《纺织材料》", 31 December 2005, 中国防止出版社 * |
| 桌乃坚编著: "《纺织英语》", 31 July 2012, 东华大学出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927325A (en) * | 2019-03-29 | 2019-06-25 | 吕庆菊 | A kind of adhesive tape shield and the preparation method and application thereof |
| CN109968765A (en) * | 2019-03-29 | 2019-07-05 | 吕庆菊 | A kind of sponge shield and the preparation method and application thereof |
| CN109968765B (en) * | 2019-03-29 | 2021-02-02 | 江苏晨建布业有限公司 | Sponge laying cloth and preparation method and application thereof |
| CN113978068A (en) * | 2021-10-22 | 2022-01-28 | 昊辰（无锡）塑业有限公司 | High-strength isolation film for tire production |
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| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150520 |
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| RJ01 | Rejection of invention patent application after publication |