CN105778311A - Outer rubber material for steel wire-woven hydraulic rubber pipe and preparation method of outer rubber material - Google Patents
Outer rubber material for steel wire-woven hydraulic rubber pipe and preparation method of outer rubber material Download PDFInfo
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- CN105778311A CN105778311A CN201610328281.2A CN201610328281A CN105778311A CN 105778311 A CN105778311 A CN 105778311A CN 201610328281 A CN201610328281 A CN 201610328281A CN 105778311 A CN105778311 A CN 105778311A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
- C08L23/286—Chlorinated polyethylene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- General Chemical & Material Sciences (AREA)
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Abstract
The invention discloses an outer rubber material for a steel wire-woven hydraulic rubber pipe and a preparation method of the outer rubber material, relating to the field of rubber materials. The outer rubber material is prepared from the following raw materials in parts by weight: 100 parts of rubber, 9 parts of an activating agent, 3 parts of an anti-aging agent, 20-25 parts of a plasticizer, 77 parts of a reinforcing filler, 5 parts of an adhesive and 3.3-3.75 parts of a vulcanizing agent. The outer rubber material has the beneficial effects that by utilizing the outer rubber material, the elongation of the rubber pipe is more than or equal to 600%, the rubber pipe cracks only after 72 hours when the ozone concentration reaches 50mg/L or the temperature reaches 120 DEG C, and the ozone aging resistance, the thermo-oxidative aging resistance, the wear resistance and the plasticity of the rubber pipe are improved, furthermore, the breaking strength of the rubber pipe is more than or equal to 12MPa, the hardness of the rubber pipe is more than or equal to 73 DEG C, the service life of the rubber pipe is prolonged, and the production cost of a user is lowered.
Description
Technical field
The present invention relates to field of rubber materials, particularly relate to outer glue material of a kind of wire braid hydraulic hose and preparation method thereof.
Background technology
Along with expanding economy, the mechanization degree of each industrial department is more and more higher, the demand of wire braid hydraulic hose and the requirement of quality is more and more higher, but owing to the level of production of current wire braid hydraulic hose manufacturer is uneven, therefore the quality of many wire braid hydraulic hoses can not meet the production needs of reality, especially the performance such as the percentage elongation of wire braid hydraulic hose, antioxidation and wearability, cause that steel wire hydraulic knitted rubber hose reduces service life, too increase the production cost of user simultaneously.
Summary of the invention
Outer glue material of a kind of wire braid hydraulic hose that the technical problem to be solved is to provide percentage elongation height, antioxygenic property is good and preparation method thereof.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
The outer glue material of a kind of wire braid hydraulic hose, it is characterised in that: this outer glue material is prepared from by the raw material of following weight portion: 100 parts of rubber, 9 portions of activating agents, 3 parts of age resistor, 20～25 parts of plasticizers, 77 parts of reinforcing fillers, 5 parts of binding agents, 3.3～3.75 parts of vulcanizing agents.
Further technical scheme is in that: this outer glue material is prepared from by the raw material of following weight portion: 100 parts of rubber, 9 portions of activating agents, 3 parts of age resistor, 20 parts of plasticizers, 77 parts of reinforcing fillers, 5 parts of binding agents, 3.4 parts of vulcanizing agents.
Further technical scheme is in that: this outer glue material is prepared from by the raw material of following weight portion: 100 parts of rubber, 9 portions of activating agents, 3 parts of age resistor, 25 parts of plasticizers, 77 parts of reinforcing fillers, 5 parts of binding agents, 3.3 parts of vulcanizing agents.
Further technical scheme is in that: this outer glue material is prepared from by the raw material of following weight portion: 100 parts of rubber, 9 portions of activating agents, 3 parts of age resistor, 25 parts of plasticizers, 77 parts of reinforcing fillers, 5 parts of binding agents, 3.75 parts of vulcanizing agents.
Further technical scheme is in that: described rubber is the combination of chlorinated polyethylene, cis-butadiene cement a kind of or two kinds；Described activating agent is zinc oxide, magnesium oxide and stearic acid, and its mass ratio is 2:5:2；Described age resistor is antioxidant 4010NA and anti-aging agent RD, and its mass ratio is 1:2；Described plasticizer is one or both combination of coumarone indene resin, dibutyl ester；Described reinforcing filler is one or more combination in any of white carbon black N330, white carbon, calcium bicarbonate；Described binding agent is binding agent RC；Described vulcanizing agent is one or more combination in any of vulcanizing agent DZ, sulfur, chlorinated polyethylene vulcanizing agent.
Further technical scheme is in that the preparation method of this outer glue material comprises the following steps:
A, just refining, refined 3 minutes by the rubber of parts by weight in banbury, temperature is 75 DEG C-90 DEG C, obtains and just refines product；
B, mixing, the activating agent of parts by weight, age resistor, plasticizer, reinforcing filler, binding agent are added in the step a first refining product prepared, banbury refines 7 minutes, temperature is 100 DEG C-110 DEG C, blend glue stuff is discharged and places on a mill until, through roller 3-4 time, temperature is down to 50 DEG C-60 DEG C；
C, extrusion, sulfuration, add the vulcanizing agent of parts by weight, and three guarantees two volume one is thin logical on a mill until, roll spacing 0.4mm-0.6mm slice, and slice parks extrusion in 24-48 hour, vulcanizes 50-60 minute at 145 DEG C-150 DEG C.
Further technical scheme is in that the preparation method of this outer glue material comprises the following steps:
A, just refining, refined 3 minutes by the rubber of parts by weight in banbury, temperature is 75 DEG C, obtains and just refines product；
B, mixing, the activating agent of parts by weight, age resistor, plasticizer, reinforcing filler, binding agent are added in the step a first refining product prepared, banbury refines 7 minutes, temperature is 100 DEG C-110 DEG C, blend glue stuff is discharged and places on a mill until, through roller 3-4 time, temperature is down to 50 DEG C-60 DEG C；
C, extrusion, sulfuration, add the vulcanizing agent of parts by weight, and three guarantees two volume one is thin logical on a mill until, roll spacing 0.4mm-0.6mm slice, and slice parks extrusion in 24-48 hour, vulcanizes 50-60 minute at 145 DEG C-150 DEG C.
Adopt and have the beneficial effects that produced by technique scheme:
Use percentage elongation >=600% of the wire braid hydraulic hose of the present invention, substantially increase the plasticity of wire braid hydraulic hose, wire braid hydraulic hose just can occur Testudinis to split when ozone concentration reaches 50mg/L after 72 hours simultaneously, Testudinis just can be occurred when temperature reaches 120 DEG C to split after 72 hours, improve the resistance to ozone aging of wire braid hydraulic hose and the performance of thermo-oxidative ageing, and anti-wear performance is also improved greatly, use the wire braid hydraulic hose breaking strength >=12MPa of the present invention, hardness >=73 DEG C, extend the service life of wire braid hydraulic hose, and then reduce the production cost of user.
Detailed description of the invention
Below the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Elaborate a lot of detail in the following description so that fully understanding the present invention, but the present invention can also adopt other to be different from alternate manner described here to be implemented, those skilled in the art can do similar popularization when without prejudice to intension of the present invention, and therefore the present invention is not by the restriction of following public specific embodiment.
The outer glue material of a kind of wire braid hydraulic hose, this outer glue material is prepared from by the raw material of following weight portion: 100 parts of rubber, 9 portions of activating agents, 3 parts of age resistor, 20～25 parts of plasticizers, 77 parts of reinforcing fillers, 5 parts of binding agents, 3.3～3.75 parts of vulcanizing agents.
The preparation method of this outer glue material comprises the following steps:
A, just refining, refined 3 minutes by the rubber of parts by weight in banbury, temperature is 75 DEG C-90 DEG C, obtains and just refines product；
B, mixing, the activating agent of parts by weight, age resistor, plasticizer, reinforcing filler, binding agent are added in the step a first refining product prepared, banbury refines 7 minutes, temperature is 100 DEG C-110 DEG C, blend glue stuff is discharged and places on a mill until, through roller 3-4 time, temperature is down to 50 DEG C-60 DEG C；
C, extrusion, sulfuration, add the vulcanizing agent of parts by weight, and three guarantees two volume one is thin logical on a mill until, roll spacing 0.4mm-0.6mm slice, and slice parks extrusion in 24-48 hour, vulcanizes 50-60 minute at 145 DEG C-150 DEG C.
Further preferred that the combination that described rubber is chlorinated polyethylene, cis-butadiene cement a kind of or two kinds；Described activating agent is zinc oxide, magnesium oxide and stearic acid, and its mass ratio is 2:5:2；Described age resistor is antioxidant 4010NA and anti-aging agent RD, and its mass ratio is 1:2；Described plasticizer is one or both combination of coumarone indene resin, dibutyl ester；Described reinforcing filler is one or more combination in any of white carbon black N330, white carbon, calcium bicarbonate；Described binding agent is binding agent RC；Described vulcanizing agent is one or more combination in any of vulcanizing agent DZ, sulfur, chlorinated polyethylene vulcanizing agent.
Embodiment 1:
The outer glue material of a kind of wire braid hydraulic hose, this outer glue material is prepared from by the raw material of following weight portion: 100 parts of rubber, 9 portions of activating agents, 3 parts of age resistor, 20 parts of plasticizers, 77 parts of reinforcing fillers, 5 parts of binding agents, 3.4 parts of vulcanizing agents.
The preparation method of this outer glue material comprises the following steps:
A, just refining, refined 3 minutes by the rubber of parts by weight in banbury, temperature is 75 DEG C, obtains and just refines product；
B, mixing, the activating agent of parts by weight, age resistor, plasticizer, reinforcing filler, binding agent are added in the step a first refining product prepared, banbury refines 7 minutes, temperature is 100 DEG C-110 DEG C, blend glue stuff is discharged and places on a mill until, through roller 3-4 time, temperature is down to 50 DEG C-60 DEG C；
C, extrusion, sulfuration, add the vulcanizing agent of parts by weight, and three guarantees two volume one is thin logical on a mill until, roll spacing 0.4mm-0.6mm slice, and slice parks extrusion in 24-48 hour, vulcanizes 50-60 minute at 145 DEG C-150 DEG C.
Wherein, described rubber is the combination of chlorinated polyethylene and cis-butadiene cement, and its mass ratio is 3:2；Described activating agent is zinc oxide, magnesium oxide and stearic acid, and its mass ratio is 2:5:2；Described age resistor is antioxidant 4010NA and anti-aging agent RD, and its mass ratio is 1:2；Described plasticizer is the combination of coumarone and dibutyl ester, and its mass ratio is 1:3；Described reinforcing filler is the combination of white carbon black N330, white carbon and calcium bicarbonate three kinds, and its mass ratio is 50:12:15；Described binding agent is binding agent RC；Described vulcanizing agent is vulcanizing agent DZ, sulfur and chlorinated polyethylene vulcanizing agent three kinds combination, and its mass ratio is 4:15:15.
Embodiment 2:
This outer glue material is prepared from by the raw material of following weight portion: 100 parts of rubber, 9 portions of activating agents, 3 parts of age resistor, 25 parts of plasticizers, 77 parts of reinforcing fillers, 5 parts of binding agents, 3.3 parts of vulcanizing agents.
The preparation method of this outer glue material comprises the following steps:
A, just refining, refined 3 minutes by the rubber of parts by weight in banbury, temperature is 80 DEG C, obtains and just refines product；
B, mixing, the activating agent of parts by weight, age resistor, plasticizer, reinforcing filler, binding agent are added in the step a first refining product prepared, banbury refines 7 minutes, temperature is 100 DEG C-110 DEG C, blend glue stuff is discharged and places on a mill until, through roller 3-4 time, temperature is down to 50 DEG C-60 DEG C；
C, extrusion, sulfuration, add the vulcanizing agent of parts by weight, and three guarantees two volume one is thin logical on a mill until, roll spacing 0.4mm-0.6mm slice, and slice parks extrusion in 24-48 hour, vulcanizes 50-60 minute at 145 DEG C-150 DEG C.
Wherein, described rubber is the combination of chlorinated polyethylene and cis-butadiene cement, and its mass ratio is 13:7；Described activating agent is zinc oxide, magnesium oxide and stearic acid, and its mass ratio is 2:5:2；Described age resistor is antioxidant 4010NA and anti-aging agent RD, and its mass ratio is 1:2；Described plasticizer is the combination of coumarone indene resin and dibutyl ester, and its mass ratio is 1:4；Described reinforcing filler is the combination of white carbon black N330, white carbon and calcium bicarbonate three kinds, and its mass ratio is 45:12:20；Described binding agent is binding agent RC；Described vulcanizing agent is vulcanizing agent DZ, sulfur and chlorinated polyethylene vulcanizing agent three kinds combination, and its mass ratio is 3:15:15.
Embodiment 3:
This outer glue material is prepared from by the raw material of following weight portion: 100 parts of rubber, 9 portions of activating agents, 3 parts of age resistor, 25 parts of plasticizers, 77 parts of reinforcing fillers, 5 parts of binding agents, 3.75 parts of vulcanizing agents.
The preparation method of this outer glue material comprises the following steps:
A, just refining, refined 3 minutes by the rubber of parts by weight in banbury, temperature is 90 DEG C, obtains and just refines product；
B, mixing, the activating agent of parts by weight, age resistor, plasticizer, reinforcing filler, binding agent are added in the step a first refining product prepared, banbury refines 7 minutes, temperature is 100 DEG C-110 DEG C, blend glue stuff is discharged and places on a mill until, through roller 3-4 time, temperature is down to 50 DEG C-60 DEG C；
C, extrusion, sulfuration, add the vulcanizing agent of parts by weight, and three guarantees two volume one is thin logical on a mill until, roll spacing 0.4mm-0.6mm slice, and slice parks extrusion in 24-48 hour, vulcanizes 50-60 minute at 145 DEG C-150 DEG C.
Wherein, described rubber is the combination of chlorinated polyethylene and cis-butadiene cement, and its mass ratio is 7:3；Described activating agent is zinc oxide, magnesium oxide and stearic acid, and its mass ratio is 2:5:2；Described age resistor is antioxidant 4010NA and anti-aging agent RD, and its mass ratio is 1:2；Described plasticizer is the combination of coumarone indene resin and dibutyl ester, and its mass ratio is 1:4；Described reinforcing filler is the combination of white carbon black N330, white carbon and calcium bicarbonate three kinds, and its mass ratio is 40:12:25；Described binding agent is binding agent RC；Described vulcanizing agent is vulcanizing agent DZ, sulfur and chlorinated polyethylene vulcanizing agent three kinds combination, and its mass ratio is 1:8:6.
Use percentage elongation >=600% of the wire braid hydraulic hose of the present invention, substantially increase the moulding of wire braid hydraulic hose, wire braid hydraulic hose reaches 50mg/L72 hour just to occur Testudinis to split at ozone concentration simultaneously, within 72 hours when temperature reaches 120 DEG C, Testudinis just can be occurred to split, improve resistance to ozone aging and the thermal-oxidative aging property of wire braid hydraulic hose, and anti-wear performance is also improved greatly, and use the wire braid hydraulic hose breaking strength >=12MPa of the present invention, hardness >=73 DEG C, extend the service life of wire braid hydraulic hose, and then reduce the production cost of user.
Claims (7)
1. the outer glue material of wire braid hydraulic hose, it is characterised in that: this outer glue material is prepared from by the raw material of following weight portion: 100 parts of rubber, 9 portions of activating agents, 3 parts of age resistor, 20～25 parts of plasticizers, 77 parts of reinforcing fillers, 5 parts of binding agents, 3.3～3.75 parts of vulcanizing agents.
2. the outer glue material of a kind of wire braid hydraulic hose according to claim 1, it is characterised in that: this outer glue material is prepared from by the raw material of following weight portion: 100 parts of rubber, 9 portions of activating agents, 3 parts of age resistor, 20 parts of plasticizers, 77 parts of reinforcing fillers, 5 parts of binding agents, 3.4 parts of vulcanizing agents.
3. the outer glue material of a kind of wire braid hydraulic hose according to claim 1, it is characterised in that: this outer glue material is prepared from by the raw material of following weight portion: 100 parts of rubber, 9 portions of activating agents, 3 parts of age resistor, 25 parts of plasticizers, 77 parts of reinforcing fillers, 5 parts of binding agents, 3.3 parts of vulcanizing agents.
4. the outer glue material of a kind of wire braid hydraulic hose according to claim 1, it is characterised in that: this outer glue material is prepared from by the raw material of following weight portion: 100 parts of rubber, 9 portions of activating agents, 3 parts of age resistor, 25 parts of plasticizers, 77 parts of reinforcing fillers, 5 parts of binding agents, 3.75 parts of vulcanizing agents.
5. the outer glue material of a kind of wire braid hydraulic hose according to any one of claim 1-4, it is characterised in that: described rubber is the combination of chlorinated polyethylene, cis-butadiene cement a kind of or two kinds；Described activating agent is zinc oxide, magnesium oxide and stearic acid, and its mass ratio is 2:5:2；Described age resistor is antioxidant 4010NA and anti-aging agent RD, and its mass ratio is 1:2；Described plasticizer is one or both combination of coumarone indene resin, dibutyl ester；Described reinforcing filler is one or more combination in any of white carbon black N330, white carbon, calcium bicarbonate；Described binding agent is binding agent RC；Described vulcanizing agent is one or more combination in any of vulcanizing agent DZ, sulfur, chlorinated polyethylene vulcanizing agent.
6. the preparation method of the outer glue material of a kind of wire braid hydraulic hose according to any one of claim 1-4, it is characterised in that: comprise the following steps:
A, just refining, refined 3 minutes by the rubber of parts by weight in banbury, temperature is 75 DEG C-90 DEG C, obtains and just refines product；
B, mixing, the activating agent of parts by weight, age resistor, plasticizer, reinforcing filler, binding agent are added in the step a first refining product prepared, banbury refines 7 minutes, temperature is 100 DEG C-110 DEG C, blend glue stuff is discharged and places on a mill until, through roller 3-4 time, temperature is down to 50 DEG C-60 DEG C；
C, extrusion, sulfuration, add the vulcanizing agent of parts by weight, and three guarantees two volume one is thin logical on a mill until, roll spacing 0.4mm-0.6mm slice, and slice parks extrusion in 24-48 hour, vulcanizes 50-60 minute at 145 DEG C-150 DEG C.
7. the preparation method of the outer glue material of a kind of wire braid hydraulic hose according to any one of claim 1-4, it is characterised in that: comprise the following steps:
A, just refining, refined 3 minutes by the rubber of parts by weight in banbury, temperature is 75 DEG C, obtains and just refines product；
B, mixing, the activating agent of parts by weight, age resistor, plasticizer, reinforcing filler, binding agent are added in the step a first refining product prepared, banbury refines 7 minutes, temperature is 100 DEG C-110 DEG C, blend glue stuff is discharged and places on a mill until, through roller 3-4 time, temperature is down to 50 DEG C-60 DEG C；
C, extrusion, sulfuration, add the vulcanizing agent of parts by weight, and three guarantees two volume one is thin logical on a mill until, roll spacing 0.4mm-0.6mm slice, and slice parks extrusion in 24-48 hour, vulcanizes 50-60 minute at 145 DEG C-150 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610328281.2A CN105778311A (en) | 2016-05-18 | 2016-05-18 | Outer rubber material for steel wire-woven hydraulic rubber pipe and preparation method of outer rubber material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610328281.2A CN105778311A (en) | 2016-05-18 | 2016-05-18 | Outer rubber material for steel wire-woven hydraulic rubber pipe and preparation method of outer rubber material |
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| CN105778311A true CN105778311A (en) | 2016-07-20 |
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| CN201610328281.2A Pending CN105778311A (en) | 2016-05-18 | 2016-05-18 | Outer rubber material for steel wire-woven hydraulic rubber pipe and preparation method of outer rubber material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109320862A (en) * | 2018-12-14 | 2019-02-12 | 潍坊潍星联合橡塑有限公司 | Flame-retardant and anti-static haloflex hydralic hose outer layer glue and preparation method thereof |
| CN109438863A (en) * | 2018-12-27 | 2019-03-08 | 太仓冠联高分子材料有限公司 | The CPE composite material and preparation method of the outer glue of wire rubber pipe |
| CN112225966A (en) * | 2020-09-24 | 2021-01-15 | 青岛威尔驰液压科技有限公司 | Chlorinated rubber material, preparation method and application thereof |
| CN113512242A (en) * | 2021-08-06 | 2021-10-19 | 衡水吉地尔特种胶管有限公司 | High-pressure rubber hose outer rubber material and preparation method thereof |
| CN115785543A (en) * | 2021-05-10 | 2023-03-14 | 宁波舜龙胶管有限公司 | Rubber outer layer rubber of steel wire woven high-pressure rubber pipe, preparation method and application of rubber outer layer rubber, steel wire woven high-pressure rubber pipe and preparation method of rubber outer layer rubber |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109320862A (en) * | 2018-12-14 | 2019-02-12 | 潍坊潍星联合橡塑有限公司 | Flame-retardant and anti-static haloflex hydralic hose outer layer glue and preparation method thereof |
| CN109438863A (en) * | 2018-12-27 | 2019-03-08 | 太仓冠联高分子材料有限公司 | The CPE composite material and preparation method of the outer glue of wire rubber pipe |
| CN112225966A (en) * | 2020-09-24 | 2021-01-15 | 青岛威尔驰液压科技有限公司 | Chlorinated rubber material, preparation method and application thereof |
| CN115785543A (en) * | 2021-05-10 | 2023-03-14 | 宁波舜龙胶管有限公司 | Rubber outer layer rubber of steel wire woven high-pressure rubber pipe, preparation method and application of rubber outer layer rubber, steel wire woven high-pressure rubber pipe and preparation method of rubber outer layer rubber |
| CN115785543B (en) * | 2021-05-10 | 2024-01-26 | 宁波舜龙胶管有限公司 | Rubber outer layer rubber of steel wire braided high-pressure rubber tube, preparation method and application thereof, steel wire braided high-pressure rubber tube and preparation method thereof |
| CN113512242A (en) * | 2021-08-06 | 2021-10-19 | 衡水吉地尔特种胶管有限公司 | High-pressure rubber hose outer rubber material and preparation method thereof |
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Application publication date: 20160720 |