CN103289139A - Rubber antioxidant for foods - Google Patents
Rubber antioxidant for foods Download PDFInfo
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- CN103289139A CN103289139A CN2013102125312A CN201310212531A CN103289139A CN 103289139 A CN103289139 A CN 103289139A CN 2013102125312 A CN2013102125312 A CN 2013102125312A CN 201310212531 A CN201310212531 A CN 201310212531A CN 103289139 A CN103289139 A CN 103289139A
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Abstract
The invention discloses a rubber antioxidant for foods and a preparation method of the rubber antioxidant. The rubber antioxidant comprises the following components in parts by weight: 40-50 parts of antioxidant 264, 20-30 parts of antioxidant 1010-A, 10-15 parts of antioxidant 800-A, 1-5 parts of antioxidant MBZ and 1-2 parts of rubber scorch retarder, wherein the weight part ratio of the antioxidant 264 to the antioxidant 1010-A to the antioxidant 800-A to the antioxidant MBZ is (4-5):(2-3):(1-1.5):(0.1-0.5). The novel efficient antioxidant formed by mixing multiple different antioxidants is good in heat resistance, fatigue resistance, and ultraviolet resisting effect; meanwhile, the blooming is not easily caused when the rubber antioxidant is blended in rubber. Through a cooperation function of the antioxidants, the rubber antioxidant disclosed by the invention is lower in toxicity and good in practical effect, and is suitable for rubber for foods.
Description
Technical field
The present invention relates to the preparing technical field of fine chemicals, relate in particular to efficient anti-aging agent of a kind of foodstuff rubber item class and preparation method thereof.
Background technology
Rubber aging can make and product properties can reduce so that lose fully use value gradually; In order to prolong the work-ing life of rubber item, will in rubber, allocate the material that some can suppress weathering process into, thereby prolong storage period and the work-ing life of rubber and goods thereof.
Anti-aging agent of a great variety, the effect different.Mainly act on according to it and can be divided into the thermo oxidative aging agent, antiozonidate, the harmful metal ion inhibitor, fatigue protective agent, UV light absorber, freedom from cracking agent etc., such as: antiager 264 is as the principal item of foodstuff uncontamination anti-aging agent, has good antioxygen, but its antifatigue is relative with anti-ultraviolet effect relatively poor, single anti-aging agent can not reach the user demand of foodstuff rubber, and multiple antiaging agent can produce additive effect and synergistic effect when mixing, can solve the problem of multiple aging protection, use properly, can improve the range of application of anti-aging agent.
Summary of the invention
At the problem of above-mentioned existence, the object of the invention be to provide the efficient anti-aging agent of a kind of foodstuff with and preparation method thereof.
In order to achieve the above object, the technical solution used in the present invention is as follows: a kind of foodstuff rubber antioxidant, part comprises following component by weight: protective agent 264 40-50 weight parts, protective agent 1010-A 20-30 weight part, protective agent 800-A 10-15 weight part, protective agent MBZ 1-5 weight part, rubber anti-chark agent 1-2 weight part, wherein the ratio of weight and number of protective agent 264, protective agent 1010-A, protective agent 800-A and protective agent MBZ is 4-5:2-3:1-1.5:0.1-0.5.
Protective agent 246 of the present invention is 2, the 6-di-tert-butyl-4-methy phenol, described protective agent 1010-A is poly-hydroxyl terephthalic acid zinc, and described anti-presbyopic agent 800-A is poly-hydroxy phenyl Ursol D, and described protective agent MBZ is zinc salt of 2 mercaptobenzimidazole.
Extension resilient support of the present invention is one or several mixtures in natural rubber or the synthetic rubber, and the resilient support that preferably extends is the 10-15 weight part, and described ductility carrier is used for auxiliary multiple anti-aging agent mixing and adheres to moulding.
Dispersion agent of the present invention is a kind of in stearic acid, whiteruss, the Microcrystalline Wax, and preferred dispersing agent is the 3-5 weight part, improves the dispersion effect of resilient support and protective agent mixture by dispersion agent, mixes.
Preferred protective agent of the present invention is 8:1 with the elastomeric ratio of weight and number that extends, and higher resilient support ratio is unfavorable for the stable moulding of mixture, and makes the whole anti-aging effect of mixture reduce; Lower resilient support ratio is unfavorable for fully mixing of protective agent and resilient support.
Described protective agent 264 40 weight parts of value of the present invention, protective agent 1010-A 20 weight parts, protective agent 800-A 15 weight parts, protective agent MBZ 5 weight parts, wherein the ratio of weight and number of protective agent 264, protective agent 1010-A, protective agent 800-A and protective agent MBZ is 40:20:15:5.
Preparation method for the preparation of this foodstuff rubber antioxidant:
1) protective agent 264, protective agent 1010-A and protective agent 800-A are mixed successively after, be heated to 260-280 ℃ of fusion and stir;
2) protective agent MBZ solid powder is joined in the extension resilient support of heating and melting, add rubber anti-chark agent and dispersion agent successively;
3) mixture of mixing extension resilient support and protective agent stirs 10-30min, and reduces temperature of reaction gradually;
4) cooled mixture is stirred through micronizer mill, namely obtain mixed anti-aging agent immobilized particles.
Beneficial effect of the present invention: the new and effective protective agent that the present invention adopts multiple different aging agent to mix, its thermotolerance, antifatigue, uvioresistant effect are better, the phenomenon that is difficult for taking place bloom in the time of simultaneously in being fused to rubber, through the synergy between the protective agent, toxicity of the present invention is lower, be suitable for foodstuff rubber, good practical effect.
Embodiment
The present invention is described in further detail below in conjunction with embodiment.
Embodiment 1:
A kind of foodstuff rubber antioxidant, comprise following component with heavyweight part: protective agent 264 40-50 weight parts, protective agent 1010-A 20-30 weight part, protective agent 800-A 10-15 weight part, protective agent MBZ 1-5 weight part, wherein the ratio of weight and number of protective agent 264, protective agent 1010-A, protective agent 800-A and protective agent MBZ is 4-5:2-3:1-1.5:0.1-0.5; The weight ratio value of different components has multiple proportioning in the described protective agent, and as shown in the table, practical function proportioning preferably is: 40:20:15:5.
Protective agent 246 of the present invention is 2,6 di tert butyl 4 methyl phenol, mixes melting property of glue and thermotolerance that the back is used for improving anti-aging agent, is difficult for taking place situations such as bloom during use; Described protective agent 1010-A is poly-hydroxyl terephthalic acid zinc, mixes the back for the effect of the anti-ultraviolet aging that improves anti-aging agent; Described anti-presbyopic agent 800-A mixes the antifatigue effect that the back is used for improving anti-aging agent for poly-hydroxy phenyl Ursol D, reduces the phenomenon that dynamic rubber is given birth to heat simultaneously; Described protective agent MBZ is zinc salt of 2 mercaptobenzimidazole, mixes the back for reducing the toxicity of putting aging agent 246, plays synergy.
The rubber anti-chark agent 1-2 weight part that adds among the present invention is used for during in fusion, preventing the rubber coking at anti-aging agent, improves the mixed effect of protective agent.
Embodiment 2:
Extension resilient support of the present invention is one or several mixtures in natural rubber or the synthetic rubber, and preferred rubber carrier is the 10-15 weight part, and described ductility carrier is used for auxiliary multiple anti-aging agent mixing and adheres to moulding.
Dispersion agent of the present invention is a kind of in stearic acid, whiteruss, the Microcrystalline Wax, and preferred dispersing agent is the 3-5 weight part, improves the dispersion effect of resilient support and protective agent mixture by dispersion agent, mixes.
Preferred protective agent of the present invention is 8:1 with the elastomeric ratio of weight and number that extends, and higher resilient support ratio is unfavorable for the molding effect of mixture, and reduces the anti-aging effect of aging agent; The resilient support ratio of teaching is unfavorable for fully mixing of protective agent and resilient support.
Embodiment 3:
Preparation process for the preparation of this foodstuff rubber antioxidant is as follows:
1) protective agent 264, protective agent 1010-A and protective agent 800-A are mixed successively after, be heated to 260-280 ℃ of fusion and stir; Melting mixing is abundant.
2) protective agent MBZ solid powder is joined in the extension resilient support of heating and melting, add rubber anti-chark agent and dispersion agent successively; The fusing point of protective agent MBZ is more than 300 degrees centigrade, but in the situation that takes place easily more than 300 degrees centigrade to decompose, can not be directly and other anti-aging agent melting mixing.
3) mixture of mixing extension resilient support and protective agent stirs 10-30min, and reduces temperature of reaction gradually, and the time that mixes is unsuitable long, after the long-time pyroreaction, and the easy coking of described extension resilient support, protective agent MBZ easily decomposes simultaneously.
4) cooled mixture is stirred through micronizer mill, namely obtain mixed anti-aging agent immobilized particles, pulverize and stir, the convenient collection and storage taken conveniently.
Need to prove that above-mentioned only is preferred embodiment of the present invention, is not to limit protection scope of the present invention, and the equivalents of having done on the basis of above-described embodiment all belongs to protection scope of the present invention.
Claims (7)
1. foodstuff rubber antioxidant, it is characterized in that: part comprises following component by weight: protective agent 264 40-50 weight parts, protective agent 1010-A 20-30 weight part, protective agent 800-A 10-15 weight part, protective agent MBZ 1-5 weight part, extension resilient support 10-15 weight part, dispersion agent 3-5 weight part, rubber anti-chark agent 1-2 weight part, wherein the ratio of weight and number of protective agent 264, protective agent 1010-A, protective agent 800-A and protective agent MBZ is 4-5:2-3:1-1.5:0.1-0.5.
2. a kind of foodstuff rubber antioxidant according to claim 1, it is characterized in that, described protective agent 246 is 2, the 6-di-tert-butyl-4-methy phenol, described protective agent 1010-A is poly-hydroxyl terephthalic acid zinc, described anti-presbyopic agent 800-A is poly-hydroxy phenyl Ursol D, and described protective agent MBZ is zinc salt of 2 mercaptobenzimidazole.
3. a kind of foodstuff rubber antioxidant according to claim 1 is characterized in that, described extension resilient support is a kind of or two kinds of mixtures in natural rubber or the synthetic rubber.
4. a kind of foodstuff rubber antioxidant according to claim 1 is characterized in that, described dispersion agent is a kind of in stearic acid, whiteruss, the Microcrystalline Wax.
5. according to claim 1 and 3 described a kind of foodstuff rubber antioxidants, it is characterized in that described protective agent is 8:1 with the elastomeric weight fraction ratio that extends.
6. a kind of foodstuff rubber anti-ageing agent according to claim 1, it is characterized in that, described protective agent 264 40 weight parts, protective agent 1010-A 20 weight parts, protective agent 800-A 15 weight parts, protective agent MBZ 5 weight parts, wherein the ratio of weight and number of protective agent 264, protective agent 1010-A, protective agent 800-A and protective agent MBZ is 40:20:15:5.
7. the preparation method of a foodstuff rubber antioxidant: 1) protective agent 264, protective agent 1010-A and protective agent 800-A are mixed successively after, be heated to 260-280 ℃ of fusion and stir; 2) protective agent MBZ solid powder is joined in the extension resilient support of heating and melting, add rubber anti-chark agent and dispersion agent successively; 3) mixture of mixing extension resilient support and protective agent stirs 10-30min, and reduces temperature of reaction gradually; 4) cooled mixture is stirred through micronizer mill, namely obtain mixed anti-aging agent immobilized particles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310212531.2A CN103289139B (en) | 2013-05-31 | 2013-05-31 | A kind of foodstuff rubber antioxidant |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310212531.2A CN103289139B (en) | 2013-05-31 | 2013-05-31 | A kind of foodstuff rubber antioxidant |
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| CN103289139A true CN103289139A (en) | 2013-09-11 |
| CN103289139B CN103289139B (en) | 2016-04-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103980536A (en) * | 2014-06-05 | 2014-08-13 | 常州市五洲化工有限公司 | Novel rubber aging inhibitor and preparation method thereof |
Citations (6)
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| JPS63218063A (en) * | 1986-09-24 | 1988-09-12 | 株式会社近久 | Packaging material |
| CN1142515A (en) * | 1995-08-04 | 1997-02-12 | 山东省宁阳县化肥厂 | Anti-ageing agent for composite rubber and preparation thereof |
| CN1590425A (en) * | 2003-04-04 | 2005-03-09 | 中国石油天然气集团公司 | Synthesis method of high conversion food grade styrene butadiene rubber |
| CN1810874A (en) * | 2006-02-22 | 2006-08-02 | 天津市塘沽区于庄橡胶厂 | Recipe of food package level ethylene-propylene rubber |
| CN102731823A (en) * | 2012-06-12 | 2012-10-17 | 宜兴市昌华过滤器材有限公司 | Novel rubber antioxidant and preparation method thereof |
| CN102993471A (en) * | 2012-11-30 | 2013-03-27 | 西安致泰橡塑工业有限公司 | Low water absorption rate rubber for rubber pipe for conveying food oil |
-
2013
- 2013-05-31 CN CN201310212531.2A patent/CN103289139B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63218063A (en) * | 1986-09-24 | 1988-09-12 | 株式会社近久 | Packaging material |
| CN1142515A (en) * | 1995-08-04 | 1997-02-12 | 山东省宁阳县化肥厂 | Anti-ageing agent for composite rubber and preparation thereof |
| CN1590425A (en) * | 2003-04-04 | 2005-03-09 | 中国石油天然气集团公司 | Synthesis method of high conversion food grade styrene butadiene rubber |
| CN1810874A (en) * | 2006-02-22 | 2006-08-02 | 天津市塘沽区于庄橡胶厂 | Recipe of food package level ethylene-propylene rubber |
| CN102731823A (en) * | 2012-06-12 | 2012-10-17 | 宜兴市昌华过滤器材有限公司 | Novel rubber antioxidant and preparation method thereof |
| CN102993471A (en) * | 2012-11-30 | 2013-03-27 | 西安致泰橡塑工业有限公司 | Low water absorption rate rubber for rubber pipe for conveying food oil |
Non-Patent Citations (1)
| Title |
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| 李昂: "《第六章 防老剂的协同效应与反应型防老剂》", 《橡胶参考资料》, vol. 39, no. 3, 31 December 2009 (2009-12-31) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103980536A (en) * | 2014-06-05 | 2014-08-13 | 常州市五洲化工有限公司 | Novel rubber aging inhibitor and preparation method thereof |
| CN103980536B (en) * | 2014-06-05 | 2017-03-29 | 盐城科迈特新材料有限公司 | A kind of rubber antioxidant and preparation method thereof |
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| CN103289139B (en) | 2016-04-13 |
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