CN110744843A - Multilayer composite modified elastomer hose and manufacturing method thereof - Google Patents
Multilayer composite modified elastomer hose and manufacturing method thereof Download PDFInfo
- Publication number
- CN110744843A CN110744843A CN201910977937.7A CN201910977937A CN110744843A CN 110744843 A CN110744843 A CN 110744843A CN 201910977937 A CN201910977937 A CN 201910977937A CN 110744843 A CN110744843 A CN 110744843A
- Authority
- CN
- China
- Prior art keywords
- elastomer
- latex
- modified elastomer
- layer
- hose
- 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
Images
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
- B29D23/001—Pipes; Pipe joints
Abstract
The invention provides a multilayer composite modified elastomer hose and a manufacturing method thereof, which are used for solving the technical problems of short service life of the elastic hose, larger outer diameter of a multilayer pipe and complex production process in the prior art; a method of making a multilayer composite modified elastomer hose comprising: s1: preparing materials; s2: extruding and modifying the elastomer; s3: plastic dipping; s4: drying; s5: forming a latex elastomer; s6: vulcanizing; a multi-layer composite modified elastomer hose comprises a modified elastomer and a latex elastomer, wherein the latex elastomer comprises more than two single-layer latex layers; by implementing the technical scheme of the invention, the modified elastomer made of the TPE material is used, so that the service life is long, and the surface smoothness is high; the latex elastomer is manufactured by using a plastic dipping process, and the process is simple without demoulding; the latex elastomer is vulcanized and modified, so that the composite modified elastomer has better resilience; the single-layer latex layer manufactured by the plastic dipping process has low thickness and can reduce the outer diameter of the hose.
Description
Technical Field
The invention relates to the field of elastic pipes, in particular to a multi-layer composite modified elastomer hose and a manufacturing method thereof.
Background
The elastic hose is widely used in the fields of gas transportation, liquid transportation and the like. In the prior art, the elastic hose is usually made of PE and other plastic materials, however, the plastic materials are easy to age under the influence of sunshine, temperature change and other environmental factors, so that the service life of the hose is often short. In order to prolong the service life of the hose, people often use a multi-layer plastic hose, however, an inner layer pipe is often required to be sleeved in an outer layer pipe, the production process is complex, and the multi-layer hose has a large outer diameter and a heavy weight, and is not suitable for a narrow environment.
Therefore, a multi-layer elastic hose with simple production process, long service life and smaller outer diameter is needed.
Disclosure of Invention
In order to solve the technical problems, the invention discloses a multi-layer composite modified elastomer hose and a manufacturing method thereof, and the technical scheme of the invention is implemented as follows:
a method of making a multilayer composite modified elastomer hose comprising: s1: preparing materials: preparing modified elastomer material and granulating; s2: extrusion molding of modified elastomer: extruding the modified elastomer by an extrusion process; s3: plastic dipping: soaking the modified elastomer into liquid latex, and then taking out the modified elastomer to ensure that the liquid latex is uniformly distributed on the outer surface of the modified elastomer; s4: and (3) drying: drying the liquid latex on the outer surface of the modified elastomer to prepare a single-layer latex layer; s5: repeating S3 and S4 more than once to form a latex elastomer on the outer surface of the modified elastomer; s6: and (3) vulcanization: vulcanizing the latex elastomer at high temperature.
Preferably, in S1, the modified elastomeric material includes TPE or TPR.
Preferably, in S1, the granules formed by granulation have a cylindrical shape, a diameter of 2.2-3mm and a height of 1-3.5 mm.
Preferably, in S1, the pellets are obtained by adopting an extrusion process, wherein the extrusion temperature is 210 ℃ and 230 ℃, and the extrusion pressure is 7-8 Bar.
Preferably, in S2, the extrusion temperature is 170-200 ℃, and the extrusion pressure is 7-8Bar
Preferably, the thickness of the single-layer latex layer is 0.2-0.4mm, and the thickness of the latex elastomer is 0.5-1.5 mm.
Preferably, in S6, vulcanization is carried out by adopting a stirring process, and the vulcanization time is 48 h.
A multi-layer composite modified elastomer hose is manufactured by using the manufacturing method of the multi-layer composite modified elastomer hose with the characteristics; the method comprises the following steps: the modified elastomer and the latex elastomer, wherein the latex elastomer comprises more than two single-layer latex layers.
Preferably, the outer diameter of the latex elastomer is 7-11mm, the inner diameter of the modified elastomer is 4-8mm, and the outer diameter of the modified elastomer is 7.2-8.8 mm.
By implementing the technical scheme of the invention, the technical problems of short service life of the elastic hose, larger outer diameter of the multilayer pipe and complex production process in the prior art can be solved; by implementing the technical scheme of the invention, the modified elastomer made of the TPE material is used, so that the service life is long, and the surface smoothness is high; the latex elastomer is manufactured by using a plastic dipping process, and the process is simple without demoulding; the latex elastomer is vulcanized and modified, so that the composite modified elastomer has better resilience; the single-layer latex layer manufactured by the plastic dipping process has low thickness and can reduce the outer diameter of the hose.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only one embodiment of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of a method of manufacturing a hose according to an embodiment of the present invention;
fig. 2 is a schematic view of a hose structure according to an embodiment of the present invention.
In the above drawings, the reference numerals denote:
1-a modified elastomer; 2-single layer latex layer; 3-latex elastomer
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In one embodiment of the present invention, a method for manufacturing a multi-layer composite modified elastomer hose includes: s1: preparing materials: preparing TPE modified elastomer 1 material, and granulating; s2: extrusion-modified elastomer 1: extruding the modified elastomer 1 by an extrusion process; s3: plastic dipping: soaking the modified elastomer 1 into the liquid latex, and then taking out the modified elastomer 1 to ensure that the liquid latex is uniformly distributed on the outer surface of the modified elastomer 1; s4: and (3) drying: drying the liquid latex on the outer surface of the modified elastomer 1 to prepare a single-layer latex layer 2; s5: repeating S3 and S4 more than once to form a latex elastomer 3 on the outer surface of the modified elastomer 1; s6: and (3) vulcanization: the latex elastomer 3 is vulcanized at a high temperature.
The elastomer 1 is modified by extrusion molding in an extrusion molding manner, so that the process is simple, and the mass production of products is convenient to realize. The latex elastomer 3 is manufactured by using a plastic dipping process, so that the latex elastomer 3 can be attached to the surface of the modified elastomer 1 without gaps, a single-layer latex layer 2 with a lower thickness can be realized, and a user can repeat the steps of S3 and S4. The modified elastomer 1 is made of TPE materials, is safe and non-toxic, and cannot cause pollution. The vulcanization process can enhance the properties of the latex elastomer 3.
In a preferred embodiment, in S1, the granules formed by granulation have a cylindrical shape, a diameter of 2.4mm and a height of 3.5mm, and are granulated by an extrusion process at 220 ℃ and an extrusion pressure of 7.3 Bar.
In a preferred embodiment, the extrusion temperature is 180 ℃ and the extrusion pressure is 7.5Bar in S2.
The TPE raw material is firstly made into small particles, so that the speed of extruding the modified elastomer 1 in S2 can be increased, and the extrusion quality of the modified elastomer 1 can be improved.
In a preferred embodiment, the thickness of the single latex layer 2 is 0.25mm, and the thickness of the single latex layer 2 can be reduced to a low range by using an extrusion process, thereby improving the accuracy of the thickness control of the latex elastomer 3.
In a preferred embodiment, in S6, the stirring process is adopted for vulcanization, the vulcanization time is 48h, and the vulcanization time is longer, so that the performance of the latex layer can be fully modified.
A multi-layer composite modified elastomer hose is manufactured by using the manufacturing method of the multi-layer composite modified elastomer hose with the characteristics; the method comprises the following steps: modified elastomer 1 and latex elastomer 3, latex elastomer 3 includes more than two-layer monolayer emulsion layer 2, and the thickness of latex elastomer 3 is 1mm, and the internal diameter of modified elastomer 1 is 6mm, and the external diameter of modified elastomer 1 is 8 mm.
In the specific embodiment, the single-layer latex layer 2 has a thickness of 0.25mm, and is subjected to dipping plastic and three times of drying to form the latex elastomer 3, and is modified through a vulcanization process. The latex elastomer 3 is arranged, so that substances such as external air, water and the like can be prevented from contacting the modified elastomer 1, and the effect of protecting the modified elastomer 1 can be achieved; the latex elastomer 3 has better elasticity, can provide better support for the modified elastomer 1, has better resilience after the pipe body deforms, and can prolong the service life of the device. The single-layer latex layer 2 manufactured by plastic dipping has low thickness, and the outer diameter of the hose can be effectively reduced.
It should be understood that the above-described embodiments are merely exemplary of the present invention, and are not intended to limit the present invention, and that any modification, equivalent replacement, or improvement made without departing from the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (9)
1. A method for manufacturing a multi-layer composite modified elastomer hose is characterized by comprising the following steps:
s1: preparing materials: preparing modified elastomer material and granulating;
s2: extrusion molding of modified elastomer: extruding the modified elastomer by an extrusion process;
s3: plastic dipping: soaking the modified elastomer into liquid latex, and then taking out the modified elastomer to ensure that the liquid latex is uniformly distributed on the outer surface of the modified elastomer;
s4: and (3) drying: drying the liquid latex on the outer surface of the modified elastomer to prepare a single-layer latex layer;
s5: repeating S3 and S4 more than once to form a latex elastomer on the outer surface of the modified elastomer;
s6: and (3) vulcanization: vulcanizing the latex elastomer at high temperature.
2. The method of claim 1, wherein in S1, the modified elastomer material includes TPE or TPR.
3. The method of claim 2, wherein in S1, the pellet has a cylindrical shape, a diameter of 2.2-3mm and a height of 1-3.5 mm.
4. The method as claimed in claim 3, wherein the extrusion process is employed to pelletize in S1, the extrusion temperature is 210 ℃ and 230 ℃, and the extrusion pressure is 7-8 Bar.
5. The method as claimed in claim 4, wherein the extrusion temperature of S2 is 170-200 deg.C and the extrusion pressure is 7-8 Bar.
6. The method of claim 5, wherein the single latex layer has a thickness of 0.2-0.4mm, and the latex elastomer has a thickness of 0.5-1.5 mm.
7. The method for manufacturing the multi-layer composite modified elastomer hose according to claim 6, wherein in S6, the vulcanization is performed by adopting a stirring process, and the vulcanization time is 48 hours.
8. A multi-layer composite modified elastomer hose produced by the method for producing a multi-layer composite modified elastomer hose according to any one of claims 1 to 7; the method comprises the following steps: the modified elastomer and the latex elastomer, wherein the latex elastomer comprises more than two single-layer latex layers.
9. The hose of claim 8, wherein the latex elastomer has an outer diameter of 7-11mm, the modified elastomer has an inner diameter of 4-8mm, and the modified elastomer has an outer diameter of 7.2-8.8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910977937.7A CN110744843A (en) | 2019-10-15 | 2019-10-15 | Multilayer composite modified elastomer hose and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910977937.7A CN110744843A (en) | 2019-10-15 | 2019-10-15 | Multilayer composite modified elastomer hose and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110744843A true CN110744843A (en) | 2020-02-04 |
Family
ID=69278382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910977937.7A Pending CN110744843A (en) | 2019-10-15 | 2019-10-15 | Multilayer composite modified elastomer hose and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110744843A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2339452A1 (en) * | 1973-08-03 | 1975-03-13 | Ashimori Ind Co Ltd | Forming uniform flexible film - on outer surface of tubular -formed fabric jacket |
| CN102529130A (en) * | 2011-12-31 | 2012-07-04 | 中国热带农业科学院农产品加工研究所 | New process for producing multi-layer composite high-elasticity rubber hoses |
| CN106739042A (en) * | 2016-12-30 | 2017-05-31 | 北京光华纺织集团有限公司 | A kind of many glue-line liquid infusion tubes and preparation method thereof |
| CN110481072A (en) * | 2019-08-30 | 2019-11-22 | 沈浩明 | A kind of composite elastic pipe processing and forming technology method |
-
2019
- 2019-10-15 CN CN201910977937.7A patent/CN110744843A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2339452A1 (en) * | 1973-08-03 | 1975-03-13 | Ashimori Ind Co Ltd | Forming uniform flexible film - on outer surface of tubular -formed fabric jacket |
| CN102529130A (en) * | 2011-12-31 | 2012-07-04 | 中国热带农业科学院农产品加工研究所 | New process for producing multi-layer composite high-elasticity rubber hoses |
| CN106739042A (en) * | 2016-12-30 | 2017-05-31 | 北京光华纺织集团有限公司 | A kind of many glue-line liquid infusion tubes and preparation method thereof |
| CN110481072A (en) * | 2019-08-30 | 2019-11-22 | 沈浩明 | A kind of composite elastic pipe processing and forming technology method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101864807B (en) | Vibration-isolating rubber bearing for building and manufacturing method thereof | |
| CN105778861A (en) | Elastic abrasive particle and manufacturing method thereof | |
| US20160257403A1 (en) | Aircraft Water Tank | |
| CN110744843A (en) | Multilayer composite modified elastomer hose and manufacturing method thereof | |
| KR20130005538A (en) | A float for fishery | |
| EP2070981A4 (en) | Fluororubber composition, crosslinked fluororubber, process for production of the same, and crosslinked fluororubber for o-rings | |
| CN108912660A (en) | High-performance modified montmorillonite/thermoplastic polyurethane elastomer expanded bead and preparation method thereof | |
| US1409059A (en) | Process of making sponge-rubber balls | |
| CN104987559B (en) | One kind production rubber band high-elasticity thermoplastic rubber | |
| CN108167551B (en) | Manufacturing process of novel silicone rubber peristaltic pump pipe | |
| CN105860381B (en) | A kind of low compressive deformation tetrapropanate fluorine rubber sealing element and preparation method thereof | |
| US4105722A (en) | Lightweight, closed-cell foam elastomeric elements for use in countercurrent gas-liquid contact operations | |
| CN104441409A (en) | Production process of foamed TPU (Thermoplastic polyurethane) sole | |
| WO2007047236B1 (en) | Foamed fluoroelastic gasket material | |
| CN206317261U (en) | A kind of rubber system of processing | |
| TWI627121B (en) | Method for reduction or mitigation of metal contamination of polycrystalline silicon, polysilicon transportation device and a reactor system and method of polycrystalline silicon production therewith | |
| CN112251032A (en) | TPE (thermoplastic elastomer) foaming material suitable for pillow inner and preparation method thereof | |
| CN109651731A (en) | A kind of bellows and preparation method thereof | |
| CN110643134A (en) | Novel TPE8 plastic particle and production process thereof | |
| CN204749101U (en) | Heat of preventing creep plastic seal ring utensil of moulding | |
| CN204019820U (en) | Rubber sleeve vulcanization plant | |
| CN106700483A (en) | Low-cost PEEK (Polyetheretherketon) composite material | |
| CN109367145B (en) | Diaphragm for energy accumulator and manufacturing method thereof | |
| CN104672637A (en) | Environment-friendly rubber | |
| CN109836801A (en) | A kind of silica gel and thermoplastic elastomer foaming bead composite material and preparation method and application |
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 |
Application publication date: 20200204 |
|
| RJ01 | Rejection of invention patent application after publication |