CN102731823A - Novel rubber antioxidant and preparation method thereof - Google Patents
Novel rubber antioxidant and preparation method thereof Download PDFInfo
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- CN102731823A CN102731823A CN2012101936715A CN201210193671A CN102731823A CN 102731823 A CN102731823 A CN 102731823A CN 2012101936715 A CN2012101936715 A CN 2012101936715A CN 201210193671 A CN201210193671 A CN 201210193671A CN 102731823 A CN102731823 A CN 102731823A
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Abstract
The invention discloses a novel rubber antioxidant and a preparation method thereof. The novel rubber antioxidant comprises 60-90 weight parts of phenylenediamine antioxidant, 30-50 weight parts of anti-oxidant BHT, 10-20 weight parts of elastomer and 1-8 weight parts of dispersant. The preparation method is characterized by melting phenylenediamine antioxidant and anti-oxidant BHT while heating up to 60-200 DEG C; successively adding elastomer and dispersant under stirring to obtain a mixture, and cooling the mixture to obtain a solid with elasticity. Compared with the prior art, the method is simple and raises the dispersity, and according to the novel rubber antioxidant disclosed by the invention, the resistance to aging of rubber is raised.
Description
Technical field
The invention belongs to the preparing technical field of fine chemicals, specifically be used for a kind of new type rubber anti-aging agent of rubber product and preparation method thereof.
Background technology
Rubber is in processing, storage and use; Owing to receive the combined influence of internal and external factor; Deliquescing can occur, be clamminess, harden, catabiosis such as be full of cracks, embrittlement, spot, mouldy, loss of gloss, color change, rubber antioxidant is a kind ofly can prevent or delay the old and feeble material of rubber.Amines antioxidants is to use one type of the widest anti-aging agent at present; The main amines antioxidants that uses is the phenylenediamine anti-aging agent; This type anti-aging agent product shortcoming in use is coloured or easy variable color itself; Therefore, this type anti-aging agent is used to make dark rubber item mostly, but still in use environmental pollution is serious.Because aniline type antioxidant is that rubber is had the most excellent protective benefits, the anti-aging agent of promptly anti-ozone and anti-fatigue performance is so people hope to improve based on phenyl amines.
Antioxidant BHT is a phenolic type antioxidant commonly used in the rubber; Antioxidant BHT has protective effect to the thermo-oxidative ageing of viton such as tree elastomer and cis-1,4-polybutadiene rubber, second propylene fat and latex product, with anti-ozone and wax and with can weather-proof various factors to the infringement of cross-linked rubber.Phenylenediamine rubber reaches and the document and the report of wax and usefulness but do not add antioxidant BHT at present.
Summary of the invention
The objective of the invention is deficiency, a kind of new type rubber anti-aging agent and preparation method thereof is provided to the prior art existence.
The object of the invention can be realized through following technical scheme:
A kind of new type rubber anti-aging agent comprises 60 ~ 90 parts of phenylenediamine anti-aging agent, 30 ~ 50 parts of antioxidant BHTs, 10 ~ 20 parts of elastomericss and 1 ~ 8 part of dispersion agent.
The phenylenediamine anti-aging agent is N-N '-two alkylphenylenediaminin.
Elastomerics is preferably selected from tree elastomer, ethylene-propylene rubber(EPR), acrylic rubber, cis-1,4-polybutadiene rubber, styrene-butadiene rubber(SBR), paracril, terpolymer EP rubber, polyisoprene rubber, or wherein 2 kinds mixing.These elastomericss can be separately or wherein 2 kinds use in the present invention together with form of mixtures.The elastomerics consumption is preferably 15-20 part.
Dispersion agent of the present invention is Triple Pressed Stearic Acid, whiteruss, Microcrystalline Wax or metallic soap.Dispersant dosage is preferably 2 ~ 5 parts.
The present invention also provides a kind of method for preparing this new type rubber anti-aging agent.
The method that is used to prepare new type rubber anti-aging agent of the present invention comprises the following steps:
(1) two alkylphenylenediaminin of fusion and antioxidant BHT;
(2) stir down, add elastomerics and dispersion agent successively to obtain mixture, cooling mixture promptly obtains the rubber-like solid.
Beneficial effect of the present invention:
Antioxidant BHT can suppress or delay the oxidative degradation of rubber and increase the service life; Be phenolic type antioxidant commonly used in the rubber, the thermooxidizing of tree elastomer, cis-1,4-polybutadiene rubber, styrene-butadiene rubber(SBR), butyl rubber, polyisoprene rubber, second third gradegrade C viton and latex product is had protective effect, antioxidant BHT more can suppress the copper evil; Good dispersibility in phenylenediamine rubber antioxidant; Antioxidant BHT added to process the new type rubber anti-aging agent in the phenylenediamine rubber antioxidant, the inventive method is simple, and is easy to use; Reduced environmental pollution simultaneously, and each component in use performance is constant.
Embodiment
Below in conjunction with specific embodiment the present invention is done further detailed explanation.
Embodiment 1
60 parts of N-N '-two alkylphenylenediaminin and 30 parts of antioxidant BHTs are heated to 180 ℃ become liquid, stir then and add 10 parts of ethylene-propylene rubber(EPR) and 1 part of Triple Pressed Stearic Acid down, cooling mixture promptly obtains the rubber-like solid product.
Embodiment 2
60 parts of N-N '-two alkylphenylenediaminin and 40 parts of antioxidant BHTs are heated to 200 ℃ become liquid, stir then and add 5 parts of ethylene-propylene rubber(EPR) and 5 parts of tree elastomers and 3 parts of whiterusss down, cooling mixture promptly obtains the rubber-like solid product.
Embodiment 3
70 parts of N-N '-two alkylphenylenediaminin and 30 parts of antioxidant BHTs are heated to 185 ℃ become liquid, stir then and add 10 parts of tree elastomers and 5 parts of cis-1,4-polybutadiene rubbers and 5 parts of Microcrystalline Waxes down, cooling mixture promptly obtains the rubber-like solid product.
Embodiment 4
65 parts of N-N '-two alkylphenylenediaminin and 35 parts of antioxidant BHTs are heated to 190 ℃ become liquid, stir then and add 10 parts of styrene-butadiene rubber(SBR) and 8 parts of polyisoprene rubbers and 4 parts of Microcrystalline Waxes down, cooling mixture promptly obtains the rubber-like solid product.
Embodiment 5
70 parts of N-N '-two alkylphenylenediaminin and 45 parts of antioxidant BHTs are heated to 185 ℃ become liquid, stir then and add 12 parts of terpolymer EP rubbers and 8 parts of Triple Pressed Stearic Acid down, cooling mixture promptly obtains the rubber-like solid product.
Embodiment 6
80 parts of N-N '-two alkylphenylenediaminin and 50 parts of antioxidant BHTs are heated to 200 ℃ become liquid, stir then and add 5 parts of acrylic rubbers and 5 parts of cis-1,4-polybutadiene rubbers and 6 parts of Microcrystalline Waxes down, cooling mixture promptly obtains the rubber-like solid product.
Embodiment 7
75 parts of N-N '-two alkylphenylenediaminin and 30 parts of antioxidant BHTs are heated to 195 ℃ become liquid, stir then and add 10 parts of paracrils and 10 parts of styrene-butadiene rubber(SBR) and 5 parts of whiterusss down, cooling mixture promptly obtains the rubber-like solid product.
Embodiment 8
85 parts of N-N '-two alkylphenylenediaminin and 40 parts of antioxidant BHTs are heated to 185 ℃ become liquid, stir then and add 18 parts of polyisoprene rubbers and 4 parts of Triple Pressed Stearic Acid down, cooling mixture promptly obtains the rubber-like solid product.
Embodiment 9
90 parts of N-N '-two alkylphenylenediaminin and 30 parts of antioxidant BHTs are heated to 185 ℃ become liquid, stir then and add 8 parts of terpolymer EP rubbers and 8 parts of ethylene-propylene rubber(EPR) and 5 parts of Microcrystalline Waxes down, cooling mixture promptly obtains the rubber-like solid product.
Embodiment 10
90 parts of N-N '-two alkylphenylenediaminin and 50 parts of antioxidant BHTs are heated to 200 ℃ become liquid, stir then and add 6 parts of acrylic rubbers and 8 parts of butyl rubbers and 8 parts of whiterusss down, cooling mixture promptly obtains the rubber-like solid product.
Claims (6)
1. a new type rubber anti-aging agent comprises 60 ~ 90 parts of phenylenediamine anti-aging agent, 30 ~ 50 parts of antioxidant BHTs, 10 ~ 20 parts of elastomericss and 1 ~ 8 part of dispersion agent.
2. new type rubber anti-aging agent according to claim 1 is characterized in that said phenylenediamine anti-aging agent is N-N '-two alkylphenylenediaminin.
3. new type rubber anti-aging agent according to claim 1; It is characterized in that said elastomerics is a polymkeric substance, be selected from the mixing of a kind of in the following material or two kinds: ethylene-propylene rubber(EPR), acrylic rubber, cis-1,4-polybutadiene rubber, styrene-butadiene rubber(SBR), paracril, terpolymer EP rubber, polyisoprene rubber, tree elastomer.
4. new type rubber anti-aging agent according to claim 1 is characterized in that said dispersion agent is Triple Pressed Stearic Acid, whiteruss, Microcrystalline Wax or metallic soap.
5. the method for each new type rubber anti-aging agent in the preparation claim 1 to 4 comprises the following steps:
(1) heating and melting phenylenediamine anti-aging agent and antioxidant BHT;
(2) stir and to add elastomerics successively down and dispersion agent obtains mixture, cooling mixture promptly obtains the rubber-like solid.
6. method according to claim 5 is characterized in that melt temperature is 60 ℃ ~ 200 ℃ in the step (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101936715A CN102731823A (en) | 2012-06-12 | 2012-06-12 | Novel rubber antioxidant and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101936715A CN102731823A (en) | 2012-06-12 | 2012-06-12 | Novel rubber antioxidant and preparation method thereof |
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| CN102731823A true CN102731823A (en) | 2012-10-17 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103254477A (en) * | 2013-05-31 | 2013-08-21 | 滁州市润达溶剂有限公司 | Tire anti-aging agent |
| CN103289139A (en) * | 2013-05-31 | 2013-09-11 | 滁州市润达溶剂有限公司 | Rubber antioxidant for foods |
| CN105754174A (en) * | 2016-03-16 | 2016-07-13 | 安徽海德石油化工有限公司 | Rubber antiager prepared by utilizing petroleum coke |
| CN110079024A (en) * | 2019-05-17 | 2019-08-02 | 天长市富达电子有限公司 | Potent anti-aging plug material of one kind and preparation method thereof |
| CN115505214A (en) * | 2022-10-17 | 2022-12-23 | 惠州市翔泰橡塑制品有限公司 | Modified ethylene propylene diene monomer and preparation method thereof |
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| CN102161777A (en) * | 2011-02-28 | 2011-08-24 | 江苏连连超微细化工有限公司 | Anti-aging agent composition and preparation method thereof |
| CN102391551A (en) * | 2011-09-21 | 2012-03-28 | 宁波工程学院 | Method for preparing half-crosslinked powdered butadiene-acrylonitrile rubber |
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2012
- 2012-06-12 CN CN2012101936715A patent/CN102731823A/en active Pending
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| CN102161777A (en) * | 2011-02-28 | 2011-08-24 | 江苏连连超微细化工有限公司 | Anti-aging agent composition and preparation method thereof |
| CN102391551A (en) * | 2011-09-21 | 2012-03-28 | 宁波工程学院 | Method for preparing half-crosslinked powdered butadiene-acrylonitrile rubber |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103254477A (en) * | 2013-05-31 | 2013-08-21 | 滁州市润达溶剂有限公司 | Tire anti-aging agent |
| CN103289139A (en) * | 2013-05-31 | 2013-09-11 | 滁州市润达溶剂有限公司 | Rubber antioxidant for foods |
| CN105754174A (en) * | 2016-03-16 | 2016-07-13 | 安徽海德石油化工有限公司 | Rubber antiager prepared by utilizing petroleum coke |
| CN110079024A (en) * | 2019-05-17 | 2019-08-02 | 天长市富达电子有限公司 | Potent anti-aging plug material of one kind and preparation method thereof |
| CN115505214A (en) * | 2022-10-17 | 2022-12-23 | 惠州市翔泰橡塑制品有限公司 | Modified ethylene propylene diene monomer and preparation method thereof |
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Application publication date: 20121017 |