CN102212936A - Production process of polyester filament asphalt felt base cloth - Google Patents
Production process of polyester filament asphalt felt base cloth Download PDFInfo
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- CN102212936A CN102212936A CN2010101413465A CN201010141346A CN102212936A CN 102212936 A CN102212936 A CN 102212936A CN 2010101413465 A CN2010101413465 A CN 2010101413465A CN 201010141346 A CN201010141346 A CN 201010141346A CN 102212936 A CN102212936 A CN 102212936A
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Abstract
The embodiment of the invention discloses a production process of polyester filament asphalt felt base cloth. The production process of the polyester filament asphalt felt base cloth comprises the steps of: pre-crystallizing and drying polyester chips; conveying the pre-crystallized and dried polyester chips to a screw extruder, and melting the chips at a high temperature; conveying the melted chips to a metering pump to obtain spinning; stretching the spinning by air flows; twisting the spinning by needling into semi-finished cloth; sizing the semi-finished cloth at a high temperature; and treating the sized product in a gumming tank, squeezing the sized product, drying the sized product in a high-temperature drying drum, and coiling the sized product. In the production process of the polyester filament asphalt felt base cloth, the polyester chips are used as the raw materials for production. Compared with the prior art, the invention has the advantages of reducing the chemical fiber producing process, shortening the process, and decreasing the production cost and links.
Description
Technical field
The present invention relates to malthoid base cloth technical field of producing, more particularly, relate to a kind of polyester filament malthoid base cloth production technology.
Background technology
The malthoid base cloth is mainly the base cloth in SBS, the APP waterproof material, is used for aspect waterproof such as roofing, toilet, tunnel, high-speed railway.Be about to malthoid and just put into the pitch and the rubber mix liquid of high temperature, affix the mixture of specific thickness, cooling forming, the effect of base cloth is to increase powerful, ductility.
Existing malthoid base cloth is short silk oil felt, and its production technology is short fiber feeding-mixed cotton-combing-lapping-acupuncture-thermocompression forming-impregnation-rolling.The raw material of existing process using is the polyester dacron staple fibre of fixed length 50-80mm, and is less as base cloth transverse and longitudinal intensity, percentage elongation that raw material production goes out by staple fibre, and production link is more, poor product quality.
Summary of the invention
In view of this, the invention provides a kind of polyester filament malthoid base cloth production technology,, improve the quality of products to reduce production link.
For achieving the above object, the invention provides following technical scheme:
A kind of polyester filament malthoid base cloth production technology comprises step:
1) with the pre-crystallizing and drying of polyester slice;
2) polyester slice behind the pre-crystallizing and drying is transported to the screw extruder high temperature melt of will cutting into slices;
3) the section melt Conveying after the fusion is obtained spinning to measuring pump;
4) air drawing spinning;
5) acupuncture forms semi-finished product cloth with the spinning mat;
6) to the semi-finished product cloth high-temperature shaping after the acupuncture;
7) product after will finalizing the design is by steeping vat, extruding, the oven dry of high temperature drying cylinder and rolling.
Preferably, in the above-mentioned polyester filament malthoid base cloth production technology, described high-temperature shaping is a tentering baking oven high-temperature shaping.
Preferably, in the above-mentioned polyester filament malthoid base cloth production technology, in step 4), 5) between also comprise step: spinning is filtered.
Preferably, in the above-mentioned polyester filament malthoid base cloth production technology, before step 4), also comprise step: air-cooled to spinning.
From above-mentioned technical scheme as can be seen, in the embodiment of the invention by polyester slice is directly produced as raw material.Compare with prior art, reduced the process of producing chemical fibre, shortened technology, reduced production cost and link.
In addition, the present invention is about to the compacting of semi-finished product cloth by adopting tentering baking oven high-temperature shaping, makes cloth cover be in fluffy attitude, and product comes out easily to soak into, and has increased the percentage elongation of product.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
A kind of polyester filament malthoid base cloth technological process of production figure that Fig. 1 provides for the embodiment of the invention.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The invention provides a kind of polyester filament malthoid base cloth production technology,, improve the quality of products to reduce production link.
See also Fig. 1, a kind of polyester filament malthoid base cloth technological process of production figure that Fig. 1 provides for the embodiment of the invention.
The polyester filament malthoid base cloth production technology that the present invention improves comprises:
Step 101: pre-crystallizing and drying;
With the pre-crystallizing and drying of polyester slice, this step is finished on the polyester slice drying machine.
Polyester slice is surrounded by hot-air after entering pre-crystallizer at once fully, can not produce bonding, also can not smash section and produce powder in dry run.The temperature difference is almost nil everywhere in the pre-crystallizer, and the degree of crystallinity of raw material is very even, and drying effect is good.
Step 102: high temperature melting;
High temperature melting provided by the invention is for being transported to the polyester slice behind the pre-crystallizing and drying screw extruder high temperature melt of will cutting into slices.
Screw extruder is the vitals on the melt-spun spinning machine, and its effect is melt to be carried, mixed, is melt in the solid superpolymer section also extrude quantitatively.
Step 103: obtain spinning;
Section melt Conveying after the fusion is obtained spinning to measuring pump.
Spinning pumps is a kind of critical part of chemical fibre spinning equipment, is also referred to as measuring pump.Deliver to the flow of spinning head in order to control spinning solution or melt, thereby must control the fiber number of gained fiber.Want cube little and precise structure also requires high temperature resistant sometimes.Generally make with stainless steel.Two kinds of gear pump and piston pumps are arranged, and the former is comparatively commonly used.
A Spinning pumps, comprise: a base plate, at least one tooth plate, one cover plate, one power transmission shaft, an intake channel and many exit passageways that allow spin fluid flow, passage is aimed at the respective channel of pump seat, trip bolt passes the adapter that is connected with cover plate and tooth plate, base plate by through hole, and is screwed into the screw of pump seat.Adapter has the groove of the contact plane that is parallel to base plate and joint face of certain depth, and Spinning pumps is having good sealing on the contact-making surface of base plate and joint face under the high melt pressure.
Step 104: stretch spinning;
By the air drawing spinning, make the macromolecular chain in the high polymer carry out orientations by drawing process, thereby reach a kind of method of improving spinning structure and mechanical property along outer force direction.
Step 105: spinning is air-cooled;
Cool off by air-cooled spinning high temperature.
Step 106: spinning is filtered;
Filter the impurity in the spinning.
Step 107: acupuncture;
Acupuncture forms semi-finished product cloth with the spinning mat.
Step 108: high-temperature shaping;
Semi-finished product cloth after the acupuncture is delivered to the tentering baking oven carries out high-temperature shaping.
Width of cloth baking oven carries out high-temperature shaping with the compacting of semi-finished product cloth, makes cloth cover be in fluffy attitude, and product comes out easily to soak into, and has increased the percentage elongation of product.
Step 109: impregnation, rolling;
Half product after the typing is dried and rolling by steeping vat, extruding, high temperature drying cylinder.
In sum, the present invention has following advantage:
1, the change of raw material: the raw material that old explained hereafter adopts is the polyester dacron staple fibre, and the raw material of production staple fibre is a polyester slice; New technology is promptly to cut into slices with the raw material of the raw material of old technology directly to produce, and has reduced the process of producing chemical fibre, has shortened technology, has reduced production cost and link.
2, the difference of typing mode: domestic old process using three roller thermocompression formings, that is: three rollers are that conduction oil electrical heating in roller heats up about 250 ℃.With product S type around three roller hot pressing high-temperature shapings, its shortcoming be with the semi-finished product cloth cover scald light, compacting, make the client be difficult for soaking into using when medium pitch, the percentage elongation of product is little.And new technology adopts the tentering baking oven to carry out high-temperature shaping.Be about to the compacting of semi-finished product cloth, make cloth cover be in fluffy attitude, product comes out easily to soak into, and has increased the percentage elongation of product.
3, the difference of fibre length: the filament fiber that pulls out by the new technology section is that many continual long filaments evenly become net; And old process using is the staple fibre of fixed length 50-80mm, the ratio staple fibre product transverse and longitudinal of the equal specification of continuous yarn product, brute force, increase about 30%.Percentage elongation increases about 15%, reduces production link, has reduced the manufacturing finished product, has improved product quality.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (4)
1. a polyester filament malthoid base cloth production technology is characterized in that, comprises step:
1) with the pre-crystallizing and drying of polyester slice;
2) polyester slice behind the pre-crystallizing and drying is transported to the screw extruder high temperature melt of will cutting into slices;
3) the section melt Conveying after the fusion is obtained spinning to measuring pump;
4) air drawing spinning;
5) acupuncture forms semi-finished product cloth with the spinning mat;
6) to the semi-finished product cloth high-temperature shaping after the acupuncture;
7) product after will finalizing the design is by steeping vat, extruding, the oven dry of high temperature drying cylinder and rolling.
2. polyester filament malthoid base cloth production technology as claimed in claim 1 is characterized in that described high-temperature shaping is a tentering baking oven high-temperature shaping.
3. polyester filament malthoid base cloth production technology as claimed in claim 1 is characterized in that, in step 4), 5) between also comprise step: spinning is filtered.
4. polyester filament malthoid base cloth production technology as claimed in claim 1 is characterized in that, also comprises step before step 4): air-cooled to spinning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101413465A CN102212936A (en) | 2010-04-08 | 2010-04-08 | Production process of polyester filament asphalt felt base cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101413465A CN102212936A (en) | 2010-04-08 | 2010-04-08 | Production process of polyester filament asphalt felt base cloth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102212936A true CN102212936A (en) | 2011-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101413465A Pending CN102212936A (en) | 2010-04-08 | 2010-04-08 | Production process of polyester filament asphalt felt base cloth |
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| CN (1) | CN102212936A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205902A (en) * | 2013-03-05 | 2013-07-17 | 大连华阳化纤科技有限公司 | Production method of polyester filament spunbonded needle-punched felt base |
| CN104358030A (en) * | 2014-12-09 | 2015-02-18 | 湖南中核无纺有限公司 | Coarse-denier high-strength spun-bonded non-woven fabrics and preparation method thereof |
| CN108085873A (en) * | 2017-12-29 | 2018-05-29 | 滁州天鼎丰非织造布有限公司 | Lipophile felt foundation and its production method |
| CN108950878A (en) * | 2018-07-27 | 2018-12-07 | 滁州天鼎丰非织造布有限公司 | It is a kind of using glass fibre as polyester filament asphalt felt tire base of reinforcing rib and preparation method thereof |
| CN109629111A (en) * | 2019-01-19 | 2019-04-16 | 寿光市发达布业有限公司 | A kind of production technology of the ultra-thin tire base fabric of modified asphalt waterproof coiled material |
| WO2022160513A1 (en) * | 2021-01-29 | 2022-08-04 | 苏州大学 | Preparation method for flexible static-puncture-resistant material |
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| CN1411520A (en) * | 1999-12-20 | 2003-04-16 | 纳幕尔杜邦公司 | Melt spun polyester nonwoven sheet |
| CN2677403Y (en) * | 2003-12-19 | 2005-02-09 | 陈树卯 | Asphalt felt basic cloth of two-layer non-woven fabric with net layer in it |
| CN101173419A (en) * | 2006-11-03 | 2008-05-07 | 纺织工业非织造布技术开发中心 | Production method of thick needle-punched non-woven fabric of spun-bonded polyester |
| CN101487142A (en) * | 2009-03-03 | 2009-07-22 | 南京工业职业技术学院 | Method for producing felt polyester staple fiber by recycling polyester bottle slice |
| CN101532212A (en) * | 2009-04-23 | 2009-09-16 | 华南理工大学 | PPS spunbonded nonwoven cloth, composite product and preparation method thereof |
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2010
- 2010-04-08 CN CN2010101413465A patent/CN102212936A/en active Pending
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| CN1411520A (en) * | 1999-12-20 | 2003-04-16 | 纳幕尔杜邦公司 | Melt spun polyester nonwoven sheet |
| CN2677403Y (en) * | 2003-12-19 | 2005-02-09 | 陈树卯 | Asphalt felt basic cloth of two-layer non-woven fabric with net layer in it |
| CN101173419A (en) * | 2006-11-03 | 2008-05-07 | 纺织工业非织造布技术开发中心 | Production method of thick needle-punched non-woven fabric of spun-bonded polyester |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205902A (en) * | 2013-03-05 | 2013-07-17 | 大连华阳化纤科技有限公司 | Production method of polyester filament spunbonded needle-punched felt base |
| CN104358030A (en) * | 2014-12-09 | 2015-02-18 | 湖南中核无纺有限公司 | Coarse-denier high-strength spun-bonded non-woven fabrics and preparation method thereof |
| CN108085873A (en) * | 2017-12-29 | 2018-05-29 | 滁州天鼎丰非织造布有限公司 | Lipophile felt foundation and its production method |
| CN108950878A (en) * | 2018-07-27 | 2018-12-07 | 滁州天鼎丰非织造布有限公司 | It is a kind of using glass fibre as polyester filament asphalt felt tire base of reinforcing rib and preparation method thereof |
| CN109629111A (en) * | 2019-01-19 | 2019-04-16 | 寿光市发达布业有限公司 | A kind of production technology of the ultra-thin tire base fabric of modified asphalt waterproof coiled material |
| WO2022160513A1 (en) * | 2021-01-29 | 2022-08-04 | 苏州大学 | Preparation method for flexible static-puncture-resistant material |
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Application publication date: 20111012 |