CN105348587A - Highly-wear-resistant hose rubber - Google Patents
Highly-wear-resistant hose rubber Download PDFInfo
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- CN105348587A CN105348587A CN201510942726.1A CN201510942726A CN105348587A CN 105348587 A CN105348587 A CN 105348587A CN 201510942726 A CN201510942726 A CN 201510942726A CN 105348587 A CN105348587 A CN 105348587A
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
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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
- C08L2205/03—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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to the field of hoses, and in particular relates to highly-wear-resistant hose rubber. The highly-wear-resistant hose rubber comprises the following substances in parts by weight: 20-30 parts of 1# smoke sheet rubber, 55-75 parts of cis-butadiene rubber, 15-25 parts of trans-1,4-polyisoprene (TPI), 5 parts of an activating agent, 3 parts of a crack preventing agent, 5 parts of an anti-aging agent, 0.3 part of an anti-scorcher, 3 parts of a Si-69 silane coupling agent, 45-75 parts of a reinforcing agent, 5 parts of a softening agent, 1.5-2.5 parts of sulfur and 0.5-1.5 parts of an accelerant. The highly-wear-resistant hose rubber provided by the invention has the beneficial effects that the wear-resistant volume can be controlled to be about 30mm<3>, a hose produced by using the formula meets a requirement on the hose wear-resistant degree for conveying materials including slurry under a severe condition, the shutdown time of equipment during production and use is reduced, and the conveying efficiency of the hose is increased.
Description
Technical field
The invention belongs to sebific duct field, be specifically related to a kind of high abrasion rubber hose.
Background technology
The natural high moleculer eompound of natural rubber to be a kind of with polyisoprene be main component, dynamic lag loss is few, and heat-dissipating is low, has good sealing property and dynamic flexing performance; Cis-1,4-polybutadiene rubber is cis-1，4-polybutadiene rubber, good springiness, and wear resistance is strong, the advantages such as resistance to low temperature is good, heat-dissipating is low, hysteresis loss is little; Anti-form-1,4-polyisoprene (TPI) trans content up to 98%, because its trans purity is higher, at room temperature in crystal form, its second-order transition temperature is about-60 DEG C, and with natural rubber, cis-1,4-polybutadiene rubber use, its rubber unvulcanizate shows good wear resisting property and physicals preferably.Rubber hose is generally used for delivering gas, liquid, pulpous state or particulate materials, when especially conveying building slurry or pellet material, needs sebific duct to have good wear resisting property.
Summary of the invention
The object of the present invention is to provide a kind of high abrasion rubber hose.Technical scheme of the present invention is: a kind of high abrasion rubber hose, counts by weight, comprises following material: 1# smoke sheet rubber 20 ~ 30 parts, cis-1,4-polybutadiene rubber 55 ~ 75 parts, anti-form-1,4-polyisoprene (TPI) 15 ~ 25 parts, promoting agent is 5 parts, be full of cracks preventing agent 3 parts, 5 parts, anti-aging agent, scorch retarder CTP0.3 part, Si-69 silane coupling agent 3 parts, strengthening agent 45 ~ 75 parts, tenderizer 5 parts, 1.5 ~ 2.5 parts, sulphur, promotor 0.5 ~ 1.5 part.
The stearic acid that described promoting agent is parts by weight is 1 part by the zinc oxide of 4 parts and parts by weight forms.
Described tenderizer is coumarone.
Described be full of cracks preventing agent is LSB20.
Described anti-aging agent is parts by weight, and by 4020 and the parts by weight of 2 parts, to be the RD of 2 parts and parts by weight be that the NBC of 1 part forms.Antioxidant 4020 belongs to p phenylenediamine type antioxidant, has to resist preferably to deflect be full of cracks performance and good antioxidant property; Anti-aging agent RD belongs to the anti-aging agent of quinoline, has good protection effect to heat and the aging of oxygen; Antioxidant NBC is to natural rubber, and synthetic rubber articles has good sun protection effect; Three kinds of anti-aging agent synergies, can reach optimum protection effect in the formula of rubber.
Described strengthening agent is made up of N220 carbon black and white carbon black, and wherein the ratio of N220 carbon black and white carbon black is 9:2.The also use of white carbon black, silane coupling agent and carbon black N220, not only reaches the physical mechanical strength required by rubber, and the wear resisting property improving cross-linked rubber adds the autohension of rubber unvulcanizate simultaneously.
The parts by weight of described sulphur are 2 parts.
Described promotor is sulfenamide type accelerators.The also use of sulfenamide type accelerators and sulphur, can make rubber unvulcanizate have more smooth vulcanization curve, give cross-linked rubber good over-all properties simultaneously.
Beneficial effect of the present invention is: the wear-resisting volume of high abrasion rubber hose can control at 30mm
3left and right, the sebific duct using this formula to produce, to meet under severe condition the materials such as such as slurry conveyed to the requirement of sebific duct fastness to rubbing, decreases the stop time of equipment in production and application process, add the transport efficiency of sebific duct.
Embodiment
embodiment 1
The production formula of the present embodiment is as follows: 1# smoke sheet rubber 22 parts, cis-1,4-polybutadiene rubber 60 parts, anti-form-1,4-polyisoprene (TPI) 18 parts, 4 parts, promoting agent zinc oxide, stearic acid 1 part, be full of cracks preventing agent LSB203 part, antioxidant 4020 2 parts, RD2 part, NBC1 part, scorch retarder CTP0.3 part, Si-69 silane coupling agent 3 parts, strengthening agent N22045 part, white carbon black 15 parts, softening coumarone 5 parts, 2 parts, sulphur, promotor sulfenamide 1 part.Its production technique is:
1 rubber mixing: Banbury mixer is first warming up to 90 DEG C, this temperature maintains after 30S does not decline and feeds intake.Banburying 15S in 1# smoke sheet rubber 22 parts and cis-1,4-polybutadiene rubber 60 parts of input Banbury mixeies, then drop into anti-form-1,4-polyisoprene (TPI) 18 parts enters Banbury mixer, and three completes the mixing of rubber after mixing banburying 30S.
The interpolation of 2 strengthening agents and tenderizer: first strengthening agent N22045 part, white carbon black 15 parts, Si-693 part fully mixes, and then adds 1/2 mixture mixed and enters Banbury mixer banburying 40S, at interpolation residue 1/2 mixture banburying 40S.
The interpolation of 3 anti-aging agent, activator and other processing aids: antioxidant 4020 2 parts, RD2 part, NBC1 part, activator 4 parts, stearic acid 1 part, scorch retarder CTP0.3 part, antichecking agent LSB203 part, tenderizer coumarone 5 parts is fully after mixing, to add in Banbury mixer binder removal after banburying 40S.
Parking of 4 one sections of rubber unvulcanizates: park 4 hours under one section of rubber unvulcanizate room temperature that above-mentioned Banbury mixer discharges.
The interpolation of 5 vulcanizing agents and promotor: the one section of rubber unvulcanizate parked is added in Banbury mixer 2 parts, the sulphur, the sulfenamide type accelerators 0.8 part that mix after first banburying 30S, binder removal after banburying 40S.
Parking of 6 two-stage mixing glue: can production and application be carried out after the two-stage mixing glue that above-mentioned Banbury mixer discharges at room temperature is parked 12 hours.
7 performance tests: cross-linked rubber carries out corresponding physical synthesis performance and wear resisting property is tested as shown in Table 1.
embodiment 2
The production formula of the present embodiment is as follows: 1# smoke sheet rubber 25 parts, cis-1,4-polybutadiene rubber 60 parts, anti-form-1,4-polyisoprene (TPI) 15 parts, 4 parts, promoting agent zinc oxide, stearic acid 1 part, be full of cracks preventing agent LSB203 part, antioxidant 4020 2 parts, RD2 part, NBC1 part, scorch retarder CTP0.3 part, Si-69 silane coupling agent 3 parts, strengthening agent N22045 part, white carbon black 15 parts, softening coumarone 5 parts, 2 parts, sulphur, promotor sulfenamide 1 part.
Its production technique is with embodiment 1
Cross-linked rubber carries out corresponding physical synthesis performance and wear resisting property is tested as shown in Table 1.
embodiment 3
The production formula of the present embodiment is as follows: 1# smoke sheet rubber 20 parts, cis-1,4-polybutadiene rubber 65 parts, anti-form-1,4-polyisoprene (TPI) 15 parts, 4 parts, promoting agent zinc oxide, stearic acid 1 part, be full of cracks preventing agent LSB203 part, antioxidant 4020 2 parts, RD2 part, NBC1 part, scorch retarder CTP0.3 part, Si-69 silane coupling agent 3 parts, strengthening agent N22045 part, white carbon black 15 parts, softening coumarone 5 parts, 2 parts, sulphur, promotor sulfenamide 1 part.
Its production technique is with embodiment 1
Cross-linked rubber carries out corresponding physical synthesis performance and wear resisting property is tested as shown in Table 1.
embodiment 4
The production formula of the present embodiment is as follows: 1# smoke sheet rubber 25 parts, cis-1,4-polybutadiene rubber 55 parts, anti-form-1,4-polyisoprene (TPI) 20 parts, 4 parts, promoting agent zinc oxide, stearic acid 1 part, be full of cracks preventing agent LSB203 part, antioxidant 4020 2 parts, RD2 part, NBC1 part, scorch retarder CTP0.3 part, Si-69 silane coupling agent 3 parts, strengthening agent N22045 part, white carbon black 15 parts, softening coumarone 5 parts, 2 parts, sulphur, promotor sulfenamide 1 part.
Its production technique is with embodiment 1
Cross-linked rubber carries out corresponding physical synthesis performance and wear resisting property is tested as shown in Table 1.
Claims (8)
1. a high abrasion rubber hose, is characterized in that: count by weight, comprises following material: 1# smoke sheet rubber 20 ~ 30 parts, cis-1,4-polybutadiene rubber 55 ~ 75 parts, anti-form-1,4-polyisoprene 15 ~ 25 parts, promoting agent is 5 parts, be full of cracks preventing agent 3 parts, 5 parts, anti-aging agent, scorch retarder CTP0.3 part, Si-69 silane coupling agent 3 parts, strengthening agent 45 ~ 75 parts, tenderizer 5 parts, 1.5 ~ 2.5 parts, sulphur, promotor 0.5 ~ 1.5 part.
2. a kind of high abrasion rubber hose according to claim 1, is characterized in that: the stearic acid that described promoting agent is 1 part by parts by weight by the zinc oxide of 4 parts and parts by weight forms.
3. a kind of high abrasion rubber hose according to claim 1, is characterized in that: described tenderizer is coumarone.
4. a kind of high abrasion rubber hose according to claim 1, is characterized in that: described be full of cracks preventing agent is LSB20.
5. a kind of high abrasion rubber hose according to claim 1, is characterized in that: by parts by weight, by 4020 and the parts by weight of 2 parts, to be the RD of 2 parts and parts by weight be described anti-aging agent that the NBC of 1 part forms.
6. a kind of high abrasion rubber hose according to claim 1, is characterized in that: described strengthening agent is made up of N220 carbon black and white carbon black, and wherein the ratio of N220 carbon black and white carbon black is 9:2.
7. a kind of high abrasion rubber hose according to claim 1, is characterized in that: the parts by weight of described sulphur are 2 parts.
8. a kind of high abrasion rubber hose according to claim 1, is characterized in that: described promotor is sulfenamide type accelerators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510942726.1A CN105348587A (en) | 2015-12-16 | 2015-12-16 | Highly-wear-resistant hose rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510942726.1A CN105348587A (en) | 2015-12-16 | 2015-12-16 | Highly-wear-resistant hose rubber |
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| Publication Number | Publication Date |
|---|---|
| CN105348587A true CN105348587A (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510942726.1A Pending CN105348587A (en) | 2015-12-16 | 2015-12-16 | Highly-wear-resistant hose rubber |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1492905A (en) * | 2001-03-19 | 2004-04-28 | ����ɭ���ڻ�ѧר����˾ | High traction and wear resistant elastomeric compositions |
| CN102030925A (en) * | 2010-11-25 | 2011-04-27 | 江苏太平橡胶股份有限公司 | Method for preparing rubber material with added TPI (thermoplastic polyimide) for improving abrasive resistance of dredging rubber pipes |
| CN104803147A (en) * | 2015-04-02 | 2015-07-29 | 沈阳泰丰胶带制造有限公司 | Abrasion-resisting low-rolling-resistance energy-saving steel wire rope core conveying belt |
-
2015
- 2015-12-16 CN CN201510942726.1A patent/CN105348587A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1492905A (en) * | 2001-03-19 | 2004-04-28 | ����ɭ���ڻ�ѧר����˾ | High traction and wear resistant elastomeric compositions |
| CN102030925A (en) * | 2010-11-25 | 2011-04-27 | 江苏太平橡胶股份有限公司 | Method for preparing rubber material with added TPI (thermoplastic polyimide) for improving abrasive resistance of dredging rubber pipes |
| CN104803147A (en) * | 2015-04-02 | 2015-07-29 | 沈阳泰丰胶带制造有限公司 | Abrasion-resisting low-rolling-resistance energy-saving steel wire rope core conveying belt |
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Application publication date: 20160224 |