CN107031083A - The method that tubing is prepared using core-skin type composite filament - Google Patents
The method that tubing is prepared using core-skin type composite filament Download PDFInfo
- Publication number
- CN107031083A CN107031083A CN201710282175.XA CN201710282175A CN107031083A CN 107031083 A CN107031083 A CN 107031083A CN 201710282175 A CN201710282175 A CN 201710282175A CN 107031083 A CN107031083 A CN 107031083A
- Authority
- CN
- China
- Prior art keywords
- core
- type composite
- composite filament
- skin type
- pet
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/12—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyamide as constituent
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
Abstract
The invention discloses a kind of method that use core-skin type composite filament prepares tubing, the skin of core-skin type composite filament used is PE skins or PET skins, and core is PET cores or PA cores, and the fusing point of the PET skins is less than the fusing point of the PET cores.When preparing tubing, by core-skin type composite filament along helix tightly around being located on pipe die, form the tubular coiling shell being made up of compact arranged multi-turn core-skin type composite filament, this coiling shell is heated, certain temperature is heated to, PE skins or PET skins melt, and PET cores or PA cores do not melt, each circle core-skin type composite filament is bonded together by the PE skins or PET skins of fusing, and i.e. obtaining surface has the tubing of excellent sealing effect for the demoulding after cooling.The present invention is using high-melting-point PET cores or PA cores as skeleton, tubing is prepared using low melting point PE skins or PET skins as double fusing point composite filaments of epidermis, cost is relatively low, and core-skin type composite filament used can be stretched to reach higher modulus and drawing-off amount, and the intensity of tubing is higher.
Description
Technical field
The present invention relates to tubing preparation field, and in particular to a kind of method that use core-skin type composite filament prepares tubing.
Background technology
In the prior art, tubing is generally molded extrusion forming by plastic materials such as PVC, PP, PB or PA, due to these plastics
Do not stretch to reach higher modulus, cause the strength ratio of tubing relatively low.In order to improve the intensity of tubing, it is typically only capable to increasing
Plus the pipe thickness of tubing is realized, so as to add production cost.PET cost is relatively low, and people are inquired into using PET systems
Into the direction of tubing, because PET can not directly be molded into tubing, it is necessary to could be used to be molded tubing by modification, this is also
Add production cost.
The content of the invention
It is an object of the invention to provide a kind of method that lower-cost use core-skin type composite filament prepares tubing.
To achieve these goals, the present invention is adopted the following technical scheme that：
The method that tubing is prepared using core-skin type composite filament, the skin of core-skin type composite filament used is PE skins or PET skins, core
For PET cores or PA cores, the fusing point of the PET skins is less than the fusing point of the PET cores；
The method for preparing tubing is achieved by the steps of：
S1：The core-skin type composite filament is subjected to drawing-off wire drawing, drafting multiple is 1.5-4.5；
S2：The core-skin type composite filament handled through step S1 is formed along helix successively tightly around being located on pipe die
The tubular coiling shell that the core-skin type composite filament described in orderly compact arranged multi-turn is constituted；
S3：The pipe die with the tubular coiling shell is heated, heating-up temperature is higher than the PE skins or PET
The fusing point of skin and the fusing point for being less than the PET cores or PA cores；
S4：Each circle core-skin type of the tubular coiling shell is penetrated into, be covered in PE skins or PET the skins melted by heat
Between composite filament；
S5：After cooling, the demoulding, which obtains surface, has the tubing of excellent sealing effect.
Further, in the step S2, the core-skin type composite filament is in one layer of winding on the pipe die.
Further, in the step S2, the core-skin type composite filament on the pipe die in the way of superimposition back and forth in being twined
Around two layers or more than two layers, and core-skin type composite filament cross lamination described in adjacent two layers is together.
Further, the fiber number of the core-skin type composite filament is 2D-6D, by weight, and wherein 20-60% is skin, 40-
80% is core.
Further, the section of the core-skin type composite filament is rounded, triangle, rectangle, square or ellipse.
After such scheme, the method that the present invention prepares tubing using core-skin type composite filament, core-skin type used is combined
Silk, skin is PE skins or PET skins, and core is PET cores or PA cores, and the fusing point of the PET skins is less than the fusing point of the PET cores.When preparing tubing,
Core-skin type composite filament after being handled through drawing-off along helix successively tightly around being located on pipe die, by orderly compact arranged multi-turn
The tubular coiling shell that core-skin type composite filament is constituted, to this, tubular coiling shell is heated to certain temperature (higher than PE skins or PET skins
Fusing point, but less than the fusing point of PET cores or PA cores), the relatively low PE skins of fusing point or PET skins melt, PET cores or PA cores fusing point compared with
Height does not melt, and the PE skins or PET skins of fusing penetrate into, be covered between each circle core-skin type composite filament of tubular coiling shell, make
Obtain each circle core-skin type composite filament to be bonded together, i.e. forming surface has the tubing of excellent sealing effect for the demoulding after cooling.By
In the present invention using PA or high-melting-point PET as core, tubing, cost are prepared using PE or low-melting point PET as the core-skin type composite filament of skin
It is relatively low.Moreover, in the inventive method, being realized by winding process, the physical property of core-skin type composite filament will not be destroyed, without
Too many layer is wound, cost is not only further reduced, and the wall thickness of tubing is relatively thin, and weight is also relatively light, more practical.And this hair
Core-skin type composite filament used can carry out high drafting to reach higher modulus and drawing-off amount in bright, can further increase tubing
Fracture strength.
Further, in the present invention, core-skin type composite filament on pipe die in the way of superimposition back and forth in being wound two layers or two layers
More than, and adjacent two layers core-skin type composite filament cross lamination is together, so as to further increase the fracture strength of tubing and close
Feng Du.
Brief description of the drawings
Fig. 1 is the structural representation of core-skin type composite filament in the present invention.
Embodiment
The method that the use core-skin type composite filament of the present invention prepares tubing, core-skin type composite filament used is as shown in figure 1, skin
The low-melting point PET skin that the skin 11 of core pattern composite filament 10 is PE skins (fusing point is 120-136 DEG C) or fusing point is 90-200 DEG C, the core-skin
The core 12 of type composite filament 10 is the high-melting-point PET cores that fusing point is 240-260 DEG C or PA cores (fusing point is 215-225 DEG C).
Preferably selected as one kind, the fiber number 2D-6D of core-skin type composite filament 10, by weight, wherein 20-60% is
Skin, 40-80% is core.
Preferably selected as one kind, the section of core-skin type composite filament 10 is rounded, triangle, rectangle, square or
Ellipse.
In the present invention, the method for preparing tubing is achieved by the steps of：
S1：The core-skin type composite filament is subjected to drawing-off wire drawing in the usual way, drafting multiple is 1.5-4.5；This step
In, drafting multiple can use the arbitrary value in 1.5-4.5, it is preferred that drafting multiple desirable 3.6；
S2：The core-skin type composite filament handled through step S1 is formed along helix successively tightly around being located on pipe die
The tubular coiling shell that the core-skin type composite filament described in orderly compact arranged multi-turn is constituted；
S3：The pipe die with the tubular coiling shell is heated, heating-up temperature is higher than the PE skins or institute
State the fusing point of PET skins and less than the PET cores or the fusing point of the PA cores；
S4：Each circle skin of the tubular coiling shell is penetrated into, are covered in the PE skins or the PET skins melted by heat
Between core pattern composite filament；
S5：After cooling, the demoulding, which obtains surface, has the tubing of excellent sealing effect.
Further, in the step S2, the core-skin type composite filament is in one layer of winding on the pipe die.
Further, in the step S2, the core-skin type composite filament on the pipe die in the way of superimposition back and forth in being twined
Around two layers or more than two layers, and core-skin type composite filament cross lamination described in adjacent two layers is together.
After such scheme, the method that the present invention prepares tubing using core-skin type composite filament, core-skin type used is combined
Silk, skin is PE skins or PET skins, and core is PET cores or PA cores, and the fusing point of the PET skins is less than the fusing point of the PET cores.When preparing tubing,
Core-skin type composite filament after being handled through drawing-off along helix successively tightly around being located on pipe die, by orderly compact arranged multi-turn
The tubular coiling shell that core-skin type composite filament is constituted, to this, tubular coiling shell is heated to certain temperature (higher than PE skins or PET skins
Fusing point, but less than the fusing point of PET cores or PA cores), the relatively low PE skins of fusing point or PET skins melt, PET cores or PA cores fusing point compared with
Height does not melt, and the PE skins or PET skins of fusing penetrate into, be covered between each circle core-skin type composite filament of tubular coiling shell, make
Obtain each circle core-skin type composite filament to be bonded together, i.e. forming surface has the tubing of excellent sealing effect for the demoulding after cooling.By
In the present invention using PA or high-melting-point PET as core, tubing, cost are prepared using PE or low-melting point PET as the core-skin type composite filament of skin
It is relatively low.Moreover, in the inventive method, being realized by winding process, the physical property of core-skin type composite filament will not be destroyed, without
Too many layer is wound, cost is not only further reduced, and the wall thickness of tubing is relatively thin, and weight is also relatively light, more practical.And this hair
Core-skin type composite filament used can carry out high drafting to reach higher modulus and drawing-off amount in bright, can further increase tubing
Fracture strength.
Further, in the present invention, core-skin type composite filament on pipe die in the way of superimposition back and forth in being wound two layers or two layers
More than, and adjacent two layers core-skin type composite filament cross lamination is together, so as to further increase the fracture strength of tubing and close
Feng Du.
Claims (5)
1. the method that tubing is prepared using core-skin type composite filament, it is characterised in that：The skin of core-skin type composite filament used is PE skins
Or PET skins, core is PET cores or PA cores, and the fusing point of the PET skins is less than the fusing point of the PET cores；
The method for preparing tubing is achieved by the steps of：
S1：The core-skin type composite filament is subjected to drawing-off wire drawing, drafting multiple is 1.5-4.5；
S2：The core-skin type composite filament handled through step S1 is formed by having along helix successively tightly around being located on pipe die
The tubular coiling shell that core-skin type composite filament described in the compact arranged multi-turn of sequence is constituted；
S3：The pipe die with the tubular coiling shell is heated, heating-up temperature is higher than the PE skins or PET skins
Fusing point and the fusing point for being less than the PET cores or PA cores；
S4：Each circle core-skin type that the tubular coiling shell is penetrated into, be covered in PE skins or PET the skins melted by heat is combined
Between silk；
S5：After cooling, the demoulding, which obtains surface, has the tubing of excellent sealing effect.
2. the method that use core-skin type composite filament according to claim 1 prepares tubing, it is characterised in that：The step S2
In, the core-skin type composite filament is in one layer of winding on the pipe die.
3. the method that use core-skin type composite filament according to claim 1 prepares tubing, it is characterised in that：The step S2
In, the core-skin type composite filament on the pipe die in the way of superimposition back and forth in being wound two layers or more than two layers, and adjacent two layers
The core-skin type composite filament cross lamination is together.
4. the method that the use core-skin type composite filament according to claim any one of 1-3 prepares tubing, it is characterised in that：
The fiber number of the core-skin type composite filament is 2D-6D, by weight, and wherein 20-60% is skin, and 40-80% is core.
5. the method that the use core-skin type composite filament according to claim any one of 1-3 prepares tubing, it is characterised in that：
The section of the core-skin type composite filament is rounded, triangle, rectangle, square or ellipse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710282175.XA CN107031083A (en) | 2017-04-26 | 2017-04-26 | The method that tubing is prepared using core-skin type composite filament |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710282175.XA CN107031083A (en) | 2017-04-26 | 2017-04-26 | The method that tubing is prepared using core-skin type composite filament |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107031083A true CN107031083A (en) | 2017-08-11 |
Family
ID=59536778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710282175.XA Pending CN107031083A (en) | 2017-04-26 | 2017-04-26 | The method that tubing is prepared using core-skin type composite filament |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107031083A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5745046A (en) * | 1980-08-11 | 1982-03-13 | Mannesmann Ag | Manufacture of multilayer pipe, inner and outer surface thereof has anticorrosive protective layer of plastic coating |
| CN1128700A (en) * | 1994-11-08 | 1996-08-14 | 佳能株式会社 | Tubular film, method for mfg. same and image formation device with tubular film |
| CN1191506A (en) * | 1995-05-31 | 1998-08-26 | Nv雷伊化学有限公司 | Heat recoverable article |
| CN101044013A (en) * | 2004-10-22 | 2007-09-26 | 陶氏环球技术公司 | Composite pipes and methods of making same |
| CN102797917A (en) * | 2012-09-05 | 2012-11-28 | 吴耕田 | Pressure pipe wound by polyethylene sandwich reinforcement rib plate strips in reciprocating manner and machining method |
| CN104894686A (en) * | 2015-06-17 | 2015-09-09 | 凯泰特种纤维科技有限公司 | Sheath-core type low-melting-point copolyamide composite fiber and preparation method thereof |
-
2017
- 2017-04-26 CN CN201710282175.XA patent/CN107031083A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5745046A (en) * | 1980-08-11 | 1982-03-13 | Mannesmann Ag | Manufacture of multilayer pipe, inner and outer surface thereof has anticorrosive protective layer of plastic coating |
| CN1128700A (en) * | 1994-11-08 | 1996-08-14 | 佳能株式会社 | Tubular film, method for mfg. same and image formation device with tubular film |
| CN1191506A (en) * | 1995-05-31 | 1998-08-26 | Nv雷伊化学有限公司 | Heat recoverable article |
| CN101044013A (en) * | 2004-10-22 | 2007-09-26 | 陶氏环球技术公司 | Composite pipes and methods of making same |
| CN102797917A (en) * | 2012-09-05 | 2012-11-28 | 吴耕田 | Pressure pipe wound by polyethylene sandwich reinforcement rib plate strips in reciprocating manner and machining method |
| CN104894686A (en) * | 2015-06-17 | 2015-09-09 | 凯泰特种纤维科技有限公司 | Sheath-core type low-melting-point copolyamide composite fiber and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103791174B (en) | A kind of combined type winding thermoplastic glass's steel tubing and preparation method thereof | |
| CN108431312B (en) | Twisted yarn left-falling split yarn and left-falling carbon fiber covering yarn and preparation method thereof | |
| CN102387909B (en) | For the manufacture of high rigidity, the method for continuous section bar of mixing and high rigidity, the continuous section bar of mixing | |
| HRP20110358T1 (en) | Reinforcement textile armature and method for making same | |
| US11590714B2 (en) | Method for producing a part made of composite material, and so obtained composite part | |
| US20160053410A1 (en) | Thread Structure Composition And Method Of Making | |
| CN101992555A (en) | Processing method of net framework enhanced plastic composite pipe and manufactured composite pipe | |
| KR101499474B1 (en) | Method for Producing pipe | |
| KR20170122190A (en) | Rope and rope manufacturing method | |
| RU2417889C1 (en) | Composite reinforcement production line | |
| CN104878475A (en) | Large-diameter sheath-core type composite monofilament and production method thereof | |
| JP2013142217A (en) | Fiber composite assembly and process of fabricating fiber composite assembly | |
| CN107031083A (en) | The method that tubing is prepared using core-skin type composite filament | |
| JP6037438B2 (en) | Manufacturing method of synthetic resin coil | |
| CN107775970A (en) | Equipment and its application method for the production of thermoplastic continuous fibers' prepreg tape tubing | |
| CN201046603Y (en) | Drawing-squeezing fiber reinforcement pipes forming machine | |
| CN103306150B (en) | The high strength composite twisted wire of trapezoid cross section and one-step preppn process thereof | |
| KR101820634B1 (en) | Composite material electric pole and manufacturing method | |
| JP6993653B1 (en) | Manufacturing method of hardcore rod body | |
| RU2210501C1 (en) | Method of manufacture of long-cut profiled articles from composite materials and device for realization of this method | |
| CN106876015A (en) | A kind of half-hard state winding wire and its processing technology | |
| CN212545187U (en) | Fishing rod section | |
| CN204367353U (en) | A kind of steel wire mesh framework composite tube Full-automatic heating production system | |
| CN204069386U (en) | A kind of carbon fiber electric heating tube | |
| CN103956210B (en) | Assorted fibre composite rope core, its moulding process and wire rope core manufacture device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170811 |