CN1807491A - Macromolecule polyethylene separation film for repeated use - Google Patents
Macromolecule polyethylene separation film for repeated use Download PDFInfo
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- CN1807491A CN1807491A CN 200610038503 CN200610038503A CN1807491A CN 1807491 A CN1807491 A CN 1807491A CN 200610038503 CN200610038503 CN 200610038503 CN 200610038503 A CN200610038503 A CN 200610038503A CN 1807491 A CN1807491 A CN 1807491A
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- flim
- density polyethylene
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
Macromolecule polythene uses isolation flim repeatelly and is relatede to the producing technology of meridian tyre, detaillyseaking, it is a kind of repeatedly-usable isolation flim used in the production of meridian tyre. According to the design scheme supplied by this invention, the isolation flim is mainly composed by low density polyethylene 40-48%, high-density polyethylene14-21%, flexomer13-20%, special returns 17. 6-27. 6% and oleic amide0. 4-0. 5%. In this invention, we add returns in the former isolation flim. After adding the returns, the lateral and radical strength of the product increases, the product is non-sliping and incrust, especially the repetition is increased.
Description
Technical field
The present invention relates to the production technology of radial, specifically a kind of barrier film that can use repeatedly used in the radial tyre production process.
Background technology
The technical process of existing polyethylene barrier film is as shown in Figure 1: prescription-spice-reinforced-extruding-membrane-finalize the design-cut-rolling-check-check weighing-packing, the defective of this technical process is more single on the temperature controlled heating-up time, embossing is handled and is become general again, and the used prescription of this barrier film is A: new LDPE (film grade) 62%, high density polyethylene(HDPE) 15%, lienar for polyethylene 20%, amine hydroxybenzene 3%.B: new LDPE (film grade) 65%, high density polyethylene(HDPE) 15%, lienar for polyethylene 20%, amine hydroxybenzene 2%.
Summary of the invention
The object of the present invention is to provide a kind of high-molecular polythene to use barrier film repeatedly, in original barrier film, increased feed back, add this feed back after, not only strengthened the vertical transverse strength of this product, be difficult for again skidding, peel off easily, especially improved the use properties repeatedly of this product.
According to design provided by the present invention, this barrier film mainly is made up of new LDPE (film grade) 40～48%, high density polyethylene(HDPE) 14～21%, lienar for polyethylene 13～20%, special feed back 17.6～27.6%, amine hydroxybenzene 0.4～0.5%.
Special feed back wherein is one or more blended waste materials in new LDPE (film grade), high density polyethylene(HDPE) and the lienar for polyethylene.
New LDPE (film grade) (LDPE) is fit to the various moulding processs of thermoplastic molding's processing, and forming process is good, as injection moulding, extrusion molding, blowing, rotoforming, coating, foam process, thermoforming, hot gas welding, thermo-welding etc.Main application is to make film product, as agricultural film, ground coating film, plastic sheeting for farm use, green house of vegetables film etc.; Packings such as film for packaging such as candy, vegetables, frozen product; Liquid packing blown film (milk, soy sauce, fruit juice, bean curd, soymilk); Heavily packing bag, shrinkage packing film, Elastic Film, inner lining film, building film, industrial film and food bag etc.
High density polyethylene(HDPE) (HDPE) is fit to forming process such as injection moulding, extrusion molding, blowing, slush molding, spraying, rotoforming, coating, foaming, thermoforming, sweating soldering, moulding processability is fine, blowing slush molding goods cost is low, handling ease, the goods chemical resistant properties is good, enough intensity is arranged, and rigidity and shock resistance (comprising under the low temperature) can also be made laminated film, and can be used for impermeable and fresh-keeping packaging bag of food etc.
LLDPE is fit to injection moulding, extrusion molding, blowing, rotoforming, sweating soldering, forming process such as coating, processing characteristics is good, be mainly used in film, there are good tear strength, puncture intensity, tensile strength, shock resistance, thermotolerance, lower temperature resistance all good, thermofussion welding temperature height, while intensity, heat seal is good, as is used for blown film, tear-resistant, anti-acupuncture, be usually used in packing and use film, with the liquid packing polyethylene blown film of LDPE, HDPE blending, multi-layer compound film etc. with agricultural.
Amine hydroxybenzene, polyethylene (PE) resin is that a class is produced by the kinds of processes method, large series of products with multiple structure and characteristic, be to be the thermoplastic resin of main ingredient with ethene, with production technique, the structure and the characteristic of resin are classified, mainly be divided into hp-ldpe (LDPE) traditionally, high density polyethylene(HDPE) (HDPE), linear low density polyethylene (LLDPE) three major types, above polyethylene all has a common ground, and certain viscosity is arranged, and amine hydroxybenzene is with its distinctive performance, in the energy and in high-density, within low density and the linear low density polyethylene, resistance to bond is guaranteed poly result of use.
Special feed back, the useless regeneration of moulding film of recovery is used, and its effect mainly is that low density, high-density, lienar for polyethylene can be melted together better, strengthens the development length and the intensity of its film.
Used material is in the former polyethylene barrier film prescription: new LDPE (film grade), high density polyethylene(HDPE), raw materials such as lienar for new LDPE (film grade) and amine hydroxybenzene are made, prescription materials in the existing technology are innovated according to the singularity of this product on the original basis, increased feed back again, after adding this feed back, not only strengthened the vertical transverse strength of this product, be difficult for again skidding, peel off easily, especially improved the use properties of this product,, be modified into to use repeatedly and reach 15 times best effect by original disposable use.
Embodiment
The explanation of new prescription materials:
A: new LDPE (film grade) 45%, high density polyethylene(HDPE) 15%, lienar for polyethylene 18%, special feed back 21.5%, amine hydroxybenzene 0.5%.
B: new LDPE (film grade) 40%, high density polyethylene(HDPE) 17%, lienar for polyethylene 15%, special feed back 27.6%, amine hydroxybenzene 0.4%.
C: new LDPE (film grade) 43%, high density polyethylene(HDPE) 16%, lienar for polyethylene 20%, special feed back 20.5%, amine hydroxybenzene 0.5%.
D: new LDPE (film grade) 47%, high density polyethylene(HDPE) 14%, lienar for polyethylene 17%, special feed back 21.6%, amine hydroxybenzene 0.4%.
E: new LDPE (film grade) 41%, high density polyethylene(HDPE) 18%, lienar for polyethylene 16%, special feed back 24.5%, amine hydroxybenzene 0.5%.
F: new LDPE (film grade) 48%, high density polyethylene(HDPE) 21%, lienar for polyethylene 13%, special feed back 17.6%, amine hydroxybenzene 0.4%.
The production method of the various embodiments described above is as follows:
Batch mixing: by the requirement of technical recipe list, above-mentioned raw materials is poured in the spice machine together, the stirring through 5-10 minute makes raw material mix more evenly.
Temperature control: new process flow sheet at this product design specific heating-up time and temperature control, as the former batch mixing specified time be 5 minutes, existing new process flow sheet mixing time is defined as 8-10 minute.Purpose is to mix material more even, intensification and temperature control are as the specific link among the new technological flow figure, in the former process flow sheet, interior, domestic and abroad trilaminar temperature is simultaneously about 195-200 ℃, warm-up time about three hours, existing new process flow sheet at interior, in, outer three layers of different raw material extrude situation, simultaneously the temperature in zone have been carried out control corresponding, be respectively internal layer 175-195 ℃, middle level 185-205 ℃, outer 180-200 ℃.Add the heating-up time when being controlled at 2.50-3.50 between.The temperature control temperature of each embodiment is A:175-198 ℃; B:178-200 ℃; C:179-203 ℃; D:176-205 ℃; E:177-201 ℃; F:179-202 ℃.
Reinforced: as to divide batch to add in the main frame material bailing bucket raw material that stirs;
Membrane: after the film head is extruded the raw material thawing through temperature rise, film is clutched group together, and then with the film pull-up;
Typing: after film is pulled out, along with the main frame blower fan, the speed-raising gradually at each position such as last traction and engine speed, film is also with finalizing the design to the requirement that reaches the technical matters defined;
Cut: the bobbin film that blows out is divided cut;
Rolling: will divide the film of incision to carry out the both sides rolling;
Check: by the single technical requirements of technology,, the film of producing is tested, see the technical requirement that whether reaches defined with testing tools such as thickness tester, steel tape, tensile test machines;
Embossing: in the radial tyre production process, should utilize this product it is carried out with air to isolate carrying out steel wire cord and rubber when calendering, guaranteeing the fresh and oxygen barrier of rubber, thus the performance and the work-ing life of raising tire.Require again after the tire calendering finishes moulding, barrier film can separate fully with rubber, avoid barrier film to be trapped in rubber surface or rubber grain comes off, in order to avoid the performance when influencing tire and using, generally in the radial engineering, adopt air-flow that barrier film is peeled off, for raising the efficiency, peel off more thorough, this product has carried out special embossing to the surface of barrier film to be handled, reduce on the one hand the contact surface of barrier film and rubber, guarantee that air-flow normally passes through, reach this product again and can use not damaged and effect repeatedly as the best use target of one.
Test material: under flowing into, before the road production process, carry out to its half-finished material of testing, in case unnecessary error occurs;
Rolling: after the embossing moulding, carry out normal rolling, make it reach the finished product length requirement of defined;
Check, packing: final finished is tested to it by specialized staff inspection, and after affixing one's seal, be packaged into the storehouse.
Claims (2)
1, high-molecular polythene uses barrier film repeatedly, it is characterized in that: this barrier film mainly is made up of new LDPE (film grade) 40～48%, high density polyethylene(HDPE) 14～21%, lienar for polyethylene 13～20%, special feed back 17.6～27.6%, amine hydroxybenzene 0.4～0.5%.
2, high-molecular polythene uses barrier film repeatedly according to claim 1, it is characterized in that, special feed back is the poly waste material of new LDPE (film grade), high density polyethylene(HDPE) and lienar for.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610038503 CN1807491A (en) | 2006-02-27 | 2006-02-27 | Macromolecule polyethylene separation film for repeated use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610038503 CN1807491A (en) | 2006-02-27 | 2006-02-27 | Macromolecule polyethylene separation film for repeated use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1807491A true CN1807491A (en) | 2006-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 200610038503 Pending CN1807491A (en) | 2006-02-27 | 2006-02-27 | Macromolecule polyethylene separation film for repeated use |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102151492A (en) * | 2011-03-28 | 2011-08-17 | 昊辰（无锡）塑业有限公司 | High-efficiency separation membrane for sewage treatment and preparation method thereof |
| CN102731885A (en) * | 2012-07-17 | 2012-10-17 | 太仓市鸿运包装材料有限公司 | Transparent shrinking membrane |
| CN103862768A (en) * | 2014-03-27 | 2014-06-18 | 昊辰（无锡）塑业有限公司 | Polyethylene isolating film reusable in tire production and preparation method of polyethylene isolating film |
| CN105218915A (en) * | 2014-05-29 | 2016-01-06 | 新泰市鲁穗工贸有限公司 | A kind of tire barrier film masterbatch |
| CN107057162A (en) * | 2017-05-17 | 2017-08-18 | 玉溪市忠诚塑料包装材料有限公司 | A kind of rubber processing inner membrane bag and preparation method thereof |
-
2006
- 2006-02-27 CN CN 200610038503 patent/CN1807491A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102151492A (en) * | 2011-03-28 | 2011-08-17 | 昊辰（无锡）塑业有限公司 | High-efficiency separation membrane for sewage treatment and preparation method thereof |
| CN102731885A (en) * | 2012-07-17 | 2012-10-17 | 太仓市鸿运包装材料有限公司 | Transparent shrinking membrane |
| CN103862768A (en) * | 2014-03-27 | 2014-06-18 | 昊辰（无锡）塑业有限公司 | Polyethylene isolating film reusable in tire production and preparation method of polyethylene isolating film |
| CN103862768B (en) * | 2014-03-27 | 2016-07-06 | 昊辰（无锡）塑业有限公司 | For polyethylene separators reusable in tire production and preparation method thereof |
| CN105218915A (en) * | 2014-05-29 | 2016-01-06 | 新泰市鲁穗工贸有限公司 | A kind of tire barrier film masterbatch |
| CN107057162A (en) * | 2017-05-17 | 2017-08-18 | 玉溪市忠诚塑料包装材料有限公司 | A kind of rubber processing inner membrane bag and preparation method thereof |
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