CN103724730A - Rubber and preparation method thereof - Google Patents
Rubber and preparation method thereof Download PDFInfo
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- CN103724730A CN103724730A CN201310708808.0A CN201310708808A CN103724730A CN 103724730 A CN103724730 A CN 103724730A CN 201310708808 A CN201310708808 A CN 201310708808A CN 103724730 A CN103724730 A CN 103724730A
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Abstract
The invention provides rubber and a preparation method thereof. The rubber is mainly prepared from the following raw materials in parts by weight: 40-70 parts of nitrile rubber, 1-3 parts of dihydrogenated quinoline anti-ageing agent, 1-3 parts of p-phenylenediamine anti-ageing agent, 1-4 parts of paraffin, 4-8 parts of active agent, 0.5-2.5 parts of vulcanizing agent, 0.5-2 parts of sulfur-loading body and 2-5 parts of accelerant. By adopting the rubber and the preparation method thereof provided by the invention, the rubber with heat-oxygen age stability and oil resistivity is prepared. The rubber has excellent oil resistivity and the heat-oxygen age stability. The production process is convenient to operate, and free of a special processing technology. The used raw materials are easily purchased, and no expensive material is added, so that the cost is low.
Description
Technical field
The present invention relates to plastic material field, relate in particular to a kind of rubber and preparation method thereof.
Background technology
Air filter for automobile is mainly responsible for removing the device of airborne granulometric impurity, reciprocating machine (oil engine, reciprocating compressor) when work, if contain the impurity such as dust in air amount just by the wearing and tearing of aggravation part, so necessary charge of oil air filter, can say that air filter is the patron saint of engine.Owing to often directly contacting with extraneous with engine, this just requires air filter bellow to have good hot-air aging resistance, oil-proofness and certain mechanical property, to guarantee to be in use not easy to produce variation and the maintenance shape of performance.The working conditions and the rubber cost that consider corrugated tube, better suited material is paracril, automobile factory is also all being used both at home and abroad at present.Paracril hot-air aging resistance is poor, processing characteristics is general, and slower by sulfur cross-linking speed, this has a great impact for the production technique of product and the quality of product, and use the rubber of other kinds, how meeting major effect, to oil resistance, adjusts air filter bellow rubber compounding, becomes the emphasis of corrugated tube research and development.
Summary of the invention
The object of the invention is to rubber for prior art in the deficiency aspect hot-air aging resistance and oil-proofness, a kind of rubber and preparation method thereof is provided.
The present invention is achieved through the following technical solutions:
A kind of rubber, in weight part, is mainly comprised of following raw material:
40 ~ 70 parts of paracrils
1 ~ 3 part, dihyaroquinoline class anti-aging agent
1 ~ 3 part of p phenylenediamine type antioxidant
1 ~ 4 part, paraffin
4 ~ 8 parts of promoting agents
0.5 ~ 2.5 part of vulcanizing agent
Carry 0.5 ~ 2 part of sulphur body
2 ~ 5 parts of promotor.
Described rubber, in weight part, also comprises following raw material:
30 ~ 60 parts of the fine polyvinyl chloride rubber and plastic alloys of fourth, have higher workability; 1 ~ 3 part of stearic acid, coordinates with described promoting agent, improves the vulcanization rate of the course of processing; 40 ~ 100 parts of packing strengthening agents, according to the physicals of the different capable of regulating rubber of addition; 10 ~ 50 parts, softening agent, because the hardness of adding packing strengthening agent rubber can uprise, softening agent is used for adjusting hardness, and rubber is softened.
Described nitrile rubber is preferably 3305, and nitrile rubber is because it contains strong polarity side group, and according to the principle of similar compatibility, for nonpolar oils, as fuel oil, mineral oil and ucon oil etc. all has very strong oil-proofness; Or described dihyaroquinoline class anti-aging agent is 2,2,4-trimethylammonium-1,2-dihyaroquinoline polymer; Or described p phenylenediamine type antioxidant is N-sec.-propyl-N
,-diphenyl-para-phenylene diamine; Or described promoting agent is active zinc flower; Or described packing strengthening agent is the mixture of N-660 carbon black, white carbon black and potter's clay; Or described softening agent is dibutyl ester; Or described vulcanizing agent is sulphur;
A described year sulphur body is 4,4
,-dimorpholinyl disulfide, it can discharge active sulphur under curing temperature, thereby can reduce the usage quantity of sulphur in formula, in sulfidation, form monosulfidic bond and cystine linkage that bond energy is higher, compared with independent use sulfur cross-linking, the lower polysulfidic bond of bond energy forming, it is better that opposing oxygen is attacked breaking property, thus thermal-oxidative aging property improves;
Described promotor is a kind of or two or more mixtures in thiuram type accelerator, dithiocarbamatetype accelerator, thiazole accelerator and sulfenamide type accelerators;
Described promotor is N-cyclohexyl-2-benzothiazole sulfonamide or 2,2
,-dithio-bis-benzothiazole or tetramethyl-thiuram disulfide.
The preparation method of above-mentioned rubber, is mainly comprised of following preparation process:
Steps A: paracril 3305 and the fine polyvinyl chloride rubber and plastic alloy of fourth are put into Banbury mixer simultaneously and mix, form mixture, Banbury mixer temperature keeps 60 ℃ to 110 ℃;
Step B: add promoting agent, stearic acid, anti-aging agent and paraffin and a part of promotor;
Step C:120 adds half packing strengthening agent and half softening agent after second;
Step D:120 adds second half packing strengthening agent and second half softening agent after second;
Step e: after 120 seconds, first clean the remaining powder on Banbury mixer, then the promotor that adds sulphur, carries sulphur body and remainder;
Step F: after 40 seconds, under binder removal, sheet is parked.
A kind of rubber of the present invention and preparation method thereof, makes the rubber of a kind of hot-air aging resistance and oil-proofness, the oil-proofness that tool is splendid and hot-air aging resistance; Production process is easy to operate, does not need special complete processing; Raw materials is easy to buying, does not need to add the material of special expensive, with low cost.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
The rubber of the embodiment of the present invention, is mainly comprised of paracril, dihyaroquinoline class anti-aging agent, p phenylenediamine type antioxidant, paraffin, promoting agent, vulcanizing agent, year sulphur body, promotor, counts by weight:
40 ~ 70 parts of paracrils
1 ~ 3 part, dihyaroquinoline class anti-aging agent
1 ~ 3 part of p phenylenediamine type antioxidant
1 ~ 4 part, paraffin
4 ~ 8 parts of promoting agents
0.5 ~ 2.5 part of vulcanizing agent
Carry 0.5 ~ 2 part of sulphur body
2 ~ 5 parts of promotor.
The rubber of the embodiment of the present invention also comprises the fine polyvinyl chloride rubber and plastic alloy of fourth, stearic acid, packing strengthening agent, softening agent, counts by weight:
30 ~ 60 parts of the fine polyvinyl chloride rubber and plastic alloys of fourth
1 ~ 3 part of stearic acid
40 ~ 100 parts of packing strengthening agents
10 ~ 50 parts, softening agent.
As a preferred embodiment of rubber of the present invention, it is mainly comprised of following raw material, counts by weight:
60 parts of nitrile rubbers
2 parts, dihyaroquinoline class anti-aging agent
2.5 parts of p phenylenediamine type antioxidants
1.5 parts, paraffin
6 parts, zinc oxide
1.0 parts, sulphur
4,4
,-dimorpholinyl disulfide carries 1 part of sulphur body
1.2 parts of N-cyclohexyl-2-benzothiazole sulfonamide promotor
2,2
,0.8 part of-dithio-bis-benzothiazole promotor
0.4 part of tetramethyl-thiuram disulfide.
As an optimum embodiment of the present invention, on the basis of above preferred embodiment, in weight part, also comprise following component:
40 parts of the fine polyvinyl chloride rubber and plastic alloys of fourth
2 parts of stearic acid
10 parts of white carbon blacks
65 parts of N660 carbon blacks
20 parts, potter's clay
20 parts of dibutyl esters.
For rubber that above preferred embodiment the is described advantage in heatproof oxidation performance and oil-proofness, itself and other rubber (rubber of the rubber of comparison example 1 and comparison example 2) is contrasted, below in conjunction with specific experiment presentation of results.
Comparison example 1, in weight part, is mainly comprised of following material:
60 parts of nitrile rubbers
40 parts of the fine polyvinyl chloride rubber and plastic alloys of fourth
6 parts, zinc oxide
2 parts of stearic acid
2 parts, dihyaroquinoline class anti-aging agent
2.5 parts of p phenylenediamine type antioxidants
1.5 parts, paraffin
10 parts of white carbon blacks
65 parts of N660 carbon blacks
20 parts, potter's clay
20 parts of dibutyl esters
1.0 parts, sulphur
1.2 parts of N-cyclohexyl-2-benzothiazole sulfonamide promotor
2,2
,0.8 part of-dithio-bis-benzothiazole promotor
0.4 part of tetramethyl-thiuram disulfide.
The rubber that the present invention and described comparison example 1 are obtained is made dumbbell shape experiment test piece, is oxytolerant aging contrast experiment, and experimental result sees the following form:
Comparison example 2, in weight part, is mainly comprised of following material:
60 parts of natural rubbers
40 parts of the fine polyvinyl chloride rubber and plastic alloys of fourth
6 parts, zinc oxide
2 parts of stearic acid
2 parts, dihyaroquinoline class anti-aging agent
2.5 parts of p phenylenediamine type antioxidants
1.5 parts, paraffin
10 parts of white carbon blacks
65 parts of N660 carbon blacks
20 parts, potter's clay
20 parts of dibutyl esters
1.0 parts, sulphur
4,4
,-dimorpholinyl disulfide carries 1 part of sulphur body
1.2 parts of N-cyclohexyl-2-benzothiazole sulfonamide promotor
2,2
,0.8 part of-dithio-bis-benzothiazole promotor
0.4 part of tetramethyl-thiuram disulfide.
The rubber that the present invention and described comparison example 2 are obtained is made dumbbell shape experiment test piece, is oil-proofness contrast experiment, and experimental result sees the following form:
The preparation method of the above embodiment of the present invention rubber is mainly comprised of following preparation process:
Steps A: paracril 3305 and the fine polyvinyl chloride rubber and plastic alloy of fourth are put into Banbury mixer simultaneously and mix, form mixture;
Step B: add active zinc flower, stearic acid, anti-aging agent and paraffin and N-cyclohexyl-2-benzothiazole sulfonamide promotor and 2,2
,-dithio-bis-benzothiazole promotor, promotor has certain solution effect of moulding, and preferentially adds N-cyclohexyl-2-benzothiazole sulfonamide and 2,2
,-dithio-bis-benzothiazole, can make compounding rubber time shorten;
Step C:120 adds half packing strengthening agent and half softening agent second;
Step D:120 adds second half packing strengthening agent and second half softening agent after second;
Step e: after 120 seconds, first clean the remaining powder on Banbury mixer, then add sulphur and carry sulphur body and a tetramethyl-thiuram disulfide, vulcanizing agent and carry sulphur body and the very fast promotor of promotion speed after add, prevent that rubber from having the danger of incipient scorch in mixing process;
Step F: after 40 seconds, under binder removal, sheet is parked;
Wherein Banbury mixer temperature is 60 ℃ to 110 ℃.
Be in conjunction with concrete preferred implementation further description made for the present invention as mentioned above, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, conceive under prerequisite not departing from the present invention, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (7)
1. a rubber, is characterized in that: in weight part, mainly following raw material, consist of:
40 ~ 70 parts of paracrils
1 ~ 3 part, dihyaroquinoline class anti-aging agent
1 ~ 3 part of p phenylenediamine type antioxidant
1 ~ 4 part, paraffin
4 ~ 8 parts of promoting agents
0.5 ~ 2.5 part of vulcanizing agent
Carry 0.5 ~ 2 part of sulphur body
2 ~ 5 parts of promotor.
2. rubber according to claim 1, is characterized in that: in weight part:
60 parts of paracrils
2 parts, dihyaroquinoline class anti-aging agent
2.5 parts of p phenylenediamine type antioxidants
1.5 parts, paraffin
6 parts of promoting agents
1 part of vulcanizing agent
Carry 1 part of sulphur body
2.4 parts of promotor.
3. rubber according to claim 1, is characterized in that: in weight part, also comprise following raw material:
30 ~ 60 parts of the fine polyvinyl chloride rubber and plastic alloys of fourth
1 ~ 3 part of stearic acid
40 ~ 100 parts of packing strengthening agents
10 ~ 50 parts, softening agent.
4. rubber according to claim 3, is characterized in that: in weight part:
40 parts of the fine polyvinyl chloride rubber and plastic alloys of fourth
2 parts of stearic acid
95 parts of packing strengthening agents
20 parts, softening agent.
5. rubber according to claim 3, is characterized in that:
Described paracril is 3305; Or
Described dihyaroquinoline class anti-aging agent is 2,2,4-trimethylammonium-1,2-dihyaroquinoline polymer; Or
Described p phenylenediamine type antioxidant is N-sec.-propyl-N
,-diphenyl-para-phenylene diamine; Or
Described promoting agent is active zinc flower; Or
Described packing strengthening agent is the mixture of N-660 carbon black, white carbon black and potter's clay; Or
Described softening agent is dibutyl ester; Or
Described vulcanizing agent is sulphur; Or
A described year sulphur body is 4,4
,-dimorpholinyl disulfide; Or
Described promotor is a kind of or two or more mixtures in thiuram type accelerator, dithiocarbamatetype accelerator, thiazole accelerator and sulfenamide type accelerators.
6. rubber according to claim 3, is characterized in that: described promotor is N-cyclohexyl-2-benzothiazole sulfonamide or 2,2
,-dithio-bis-benzothiazole or tetramethyl-thiuram disulfide.
7. according to a preparation method for rubber described in claim 3,4,5 or 6, it is characterized in that: mainly by following preparation process, formed:
Steps A: paracril 3305 and the fine polyvinyl chloride rubber and plastic alloy of fourth are put into Banbury mixer simultaneously and mix, form mixture, Banbury mixer temperature keeps 60 ℃ to 110 ℃;
Step B: add promoting agent, stearic acid, anti-aging agent and paraffin and a part of promotor
Step C:120 adds half packing strengthening agent and half softening agent after second;
Step D:120 adds second half packing strengthening agent and second half softening agent after second;
Step e: first clean the remaining powder on Banbury mixer after 120 seconds, then add sulphur, year sulphur body and remaining promotor;
Step F: after 40 seconds, under binder removal, sheet is parked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310708808.0A CN103724730A (en) | 2013-12-20 | 2013-12-20 | Rubber and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310708808.0A CN103724730A (en) | 2013-12-20 | 2013-12-20 | Rubber and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103724730A true CN103724730A (en) | 2014-04-16 |
Family
ID=50449044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310708808.0A Pending CN103724730A (en) | 2013-12-20 | 2013-12-20 | Rubber and preparation method thereof |
Country Status (1)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105199165A (en) * | 2015-09-17 | 2015-12-30 | 沈阳化工大学 | Oil-resistant rubber material without free-state sulfur |
| CN105218897A (en) * | 2015-11-14 | 2016-01-06 | 际华三五一五皮革皮鞋有限公司 | A kind of Novel rubber plastic alloy foaming large end |
| CN106832463A (en) * | 2017-01-09 | 2017-06-13 | 安徽中鼎密封件股份有限公司 | A kind of rubber seal of resistance to bio-fuel-oil material and preparation method thereof |
| CN106867056A (en) * | 2017-03-21 | 2017-06-20 | 柳州日高汽车减振技术有限责任公司 | A kind of nitrile rubber for making oil-resisting and heat-resisting corrugated hose |
| CN106928511A (en) * | 2017-03-21 | 2017-07-07 | 柳州日高汽车减振技术有限责任公司 | A kind of automobile filter air inlet bellows rubber preparing raw material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101250290A (en) * | 2008-04-02 | 2008-08-27 | 际华三五一四制革制鞋有限公司 | Thermostable, flame-resistant and oil-proof rubber sizing material and production method thereof |
| CN201462235U (en) * | 2009-07-30 | 2010-05-12 | 冀州市工程机械胶管厂 | Special high-temperature low-pressure oil delivery hose for construction machinery |
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2013
- 2013-12-20 CN CN201310708808.0A patent/CN103724730A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101250290A (en) * | 2008-04-02 | 2008-08-27 | 际华三五一四制革制鞋有限公司 | Thermostable, flame-resistant and oil-proof rubber sizing material and production method thereof |
| CN201462235U (en) * | 2009-07-30 | 2010-05-12 | 冀州市工程机械胶管厂 | Special high-temperature low-pressure oil delivery hose for construction machinery |
Non-Patent Citations (1)
| Title |
|---|
| 中国化工学会橡胶专业委员会: "《橡胶助剂手册》", 30 April 2000, article "橡胶助剂", pages: 16-17 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105199165A (en) * | 2015-09-17 | 2015-12-30 | 沈阳化工大学 | Oil-resistant rubber material without free-state sulfur |
| CN105199165B (en) * | 2015-09-17 | 2017-08-08 | 沈阳化工大学 | One kind is without free state sulphur oil-resistant rubber material |
| CN105218897A (en) * | 2015-11-14 | 2016-01-06 | 际华三五一五皮革皮鞋有限公司 | A kind of Novel rubber plastic alloy foaming large end |
| CN106832463A (en) * | 2017-01-09 | 2017-06-13 | 安徽中鼎密封件股份有限公司 | A kind of rubber seal of resistance to bio-fuel-oil material and preparation method thereof |
| CN106832463B (en) * | 2017-01-09 | 2019-06-21 | 安徽中鼎密封件股份有限公司 | A kind of resistance to bio-fuel-oil rubber seal material and preparation method thereof |
| CN106867056A (en) * | 2017-03-21 | 2017-06-20 | 柳州日高汽车减振技术有限责任公司 | A kind of nitrile rubber for making oil-resisting and heat-resisting corrugated hose |
| CN106928511A (en) * | 2017-03-21 | 2017-07-07 | 柳州日高汽车减振技术有限责任公司 | A kind of automobile filter air inlet bellows rubber preparing raw material and preparation method thereof |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 545000 No. 70 West Yongxing Road, third industrial zone, the Liujiang River County, the Guangxi Zhuang Autonomous Region, Liuzhou Applicant after: LIUZHOU RIGAO AUTOMOBILE VIBRATION TECHNOLOGY CO., LTD. Address before: 545000, No. 70 West Yongxing Road, Third District, Liuzhou, the Guangxi Zhuang Autonomous Region, the Liujiang River Applicant before: Liuzhou Gao rubber Co., Ltd |
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| COR | Change of bibliographic data | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140416 |