CN102382338A - Isoprene rubber blend and its preparation method - Google Patents
Isoprene rubber blend and its preparation method Download PDFInfo
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- CN102382338A CN102382338A CN2011102588334A CN201110258833A CN102382338A CN 102382338 A CN102382338 A CN 102382338A CN 2011102588334 A CN2011102588334 A CN 2011102588334A CN 201110258833 A CN201110258833 A CN 201110258833A CN 102382338 A CN102382338 A CN 102382338A
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Abstract
The invention discloses an isoprene rubber blend and its preparation method, the isoprene rubber blend comprises the following raw materials: 60-100 parts of isoprene rubber, 5-50 parts of trans-1,4-polyisoprene, 5-100 parts of reinforcing filler, 1-25 parts of in-situ grafted modification additive, 0-40 parts of cooperated rubber and 0-25 parts of first additive. Compared with the prior art, the in-situ grafted modification additive is performed chemical reaction with the reinforcing filler, and is simultaneously performed grafting reaction with function groups like double bond of a rubber molecular chain, so that the interface bonding strength between the organic polymer and the reinforcing filler as well as the dispersion level of the reinforcing filler in rubber can be substantially enhanced, and the fatigue resistance performance of the isoprene rubber blend is increased. The test results indicate that the isoprene rubber blend of the invention has favorable flex cracking resistance and excellent general mechanical performance.
Description
Technical field
The present invention relates to the rubber technology field, more particularly, relate to a kind of polyisoprene rubber blend and preparation method thereof.
Background technology
High speed development along with Chinese national economy; Automobile and train have all got into the epoch of running at high speed; Other mechanical means has also all improved running speed simultaneously; Rubber items such as high-performance rubber tire, automobile train anti-vibration article, V band, conveying belt have obtained widespread use, therefore the elastomeric material of preparation rubber item are had higher requirement.
Polyisoprene rubber is synthetic by isoprene preparation, and full name is suitable-1, and the 4-polyisoprene rubber is because of its structure and performance and tree elastomer are similar to, so claim natural synthetic rubber again.The polyisoprene rubber excellent combination property has good physical and mechanical properties and processing characteristics, and Synergist S-421 95 is easy to sneak into and be uniformly dispersed, and green tack is good, therefore is widely used in fields such as tire and vibration damping.The rubber item in field such as tire and vibration damping is had relatively high expectations to the fatigue property of sizing material, can solve from the following aspects: suitable rubber, filler are selected in (1); (2) select suitable vulcanizing agent type, vulcanization system and consumption; (3) sizing material being carried out modification handles.But, utilize aforesaid method to improve the performance of polyisoprene rubber after, the rubber item life-span of preparation can not be satisfied the requirement in market fully.
Anti-form-1,4-TR 301 (be called for short TPI) is claimed the synthetic Chinese gutta percha again, is called ancient tower rubber ripple glue, Ba Lata glue etc. abroad, with suitable-1, the 4-polyisoprene rubber is an isomers.Anti-form-1, the 4-TR 301 has the rubber and plastic dual nature concurrently, at room temperature is crystalloid, and is nonelastic, profile is just as duroplasts, but when temperature rise to 60 ℃ softening; This anti-form-1 simultaneously, the 4-TR 301 contains a large amount of two keys, can be sulfur-crosslinked through adding on common rubber mixing machine, become the softish elastomerics.In the prior art; People such as the yellow precious treasure of Qingdao University of Science and Technology are with the anti-form-1 of bulk precipitation polymerization method preparation, and 4-TR 301 and polyisoprene rubber and usefulness are although improved the flex cracking resistance performance of rubber to a certain extent; But its anti-fatigue performance remains further to be improved.
Summary of the invention
In view of this, the technical problem that the present invention will solve is to provide a kind of polyisoprene rubber blend and preparation method thereof, and the polyisoprene rubber blend of this method preparation has good anti-fatigue performance.
In order to solve above technical problem, the present invention provides a kind of polyisoprene rubber blend, comprises following raw material:
Polyisoprene rubber 60～100 weight parts;
Anti-form-1,4-TR 301 5～50 weight parts;
Reinforcing filler 5～100 weight parts;
Situ-formed graft modified additive 1～25 weight part;
Compound rubber 0～40 weight part;
First additive, 0～25 weight part.
Preferably, it is suitable-1 that said polyisoprene rubber comprises, 4-polyisoprene rubber and/or tree elastomer.
Preferably, said anti-form-1,4-TR 301 comprise solution polymerization process synthetic anti-form-1,4-TR 301 and/or bulk precipitation polymerization method synthetic anti-form-1,4-TR 301.
Preferably, said reinforcing filler comprises one or more in nano silicate, WHITE CARBON BLACK and the carbon black.
Preferably, said situ-formed graft modified additive comprises one or more in silane coupling agent, aluminate coupling agent, titanate coupling agent and the phosphate coupling agent.
Preferably, said compound rubber comprises one or more in X 050, polyisoprene rubber, cis-1,4-polybutadiene rubber, styrene-butadiene rubber(SBR), paracril, ethylene-propylene rubber(EPR), butyl rubber, epichlorohydrin rubber, viton, Zylox, thiorubber, urethanes and the regenerated rubber.
Preferably, said first additive comprises one or more in promotor, vulcanizing agent, promoting agent, anti-aging agent and the tenderizer.
Accordingly, the present invention also provides a kind of preparation method of polyisoprene rubber blend, may further comprise the steps:
Anti-form-1 with 5～50 weight parts; The 4-TR 301 is after plasticating under 60～100 ℃; Descend mixing with the polyisoprene rubber of 60～100 weight parts, the reinforcing filler of 5～100 weight parts, situ-formed graft modified additive, compound rubber and second additive of 1～25 weight part at 120～180 ℃; Obtain master batch, said second additive comprises one or more in promoting agent, anti-aging agent and the tenderizer;
Said master batch is mixed with the 3rd additive down at 15～100 ℃, obtain rubber unvulcanizate, said the 3rd additive comprises vulcanizing agent and/or promotor;
With said rubber unvulcanizate sulfuration, obtain the polyisoprene rubber blend.
Preferably, said anti-form-1, the 4-TR 301 is synthetic according to solution polymerization process.
Preferably, said situ-formed graft modified additive comprises one or more in silane coupling agent, aluminate coupling agent, titanate coupling agent and the phosphate coupling agent.
The present invention provides a kind of polyisoprene rubber blend and preparation method thereof, and this blend comprises following raw material: polyisoprene rubber 60～100 weight parts; Anti-form-1,4-TR 301 5～50 weight parts; Reinforcing filler 5～100 weight parts; Situ-formed graft modified additive 1～25 weight part; Compound rubber 0～40 weight part; First additive, 0～25 weight part.Compared with prior art; Since the situ-formed graft modified additive that the present invention adopts with reinforcing filler generation chemical reaction in; Carry out graft reaction with the functional groups such as two keys on the rubber molecular chain; Improve interface binding power and the dispersion level of reinforcing filler in rubber between organic polymer and reinforcing filler greatly, thereby improved the anti-fatigue performance of polyisoprene rubber blend.Experimental result shows that the polyisoprene rubber blend of the present invention's preparation has good flex cracking resistance performance and good comprehensive mechanical performance.
Embodiment
Carry out clear, intactly description in the face of the technical scheme in the embodiment of the invention down, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The invention discloses a kind of polyisoprene rubber blend, comprise following raw material:
Polyisoprene rubber 60～100 weight parts;
Anti-form-1,4-TR 301 5～50 weight parts;
Reinforcing filler 5～100 weight parts;
Situ-formed graft modified additive 1～25 weight part;
Compound rubber 0～40 weight part;
First additive, 0～25 weight part.
According to the present invention, it is suitable-1 that said polyisoprene rubber preferably includes, 4-polyisoprene rubber and/or tree elastomer.Wherein the present invention does not have special restriction for the specification and the brand of polyisoprene rubber, can adopt the suitable-1 of commercial all size and brand, 4-polyisoprene rubber and/or tree elastomer.Said polyisoprene rubber is preferably 65～95 weight parts, more preferably 70～90 weight parts.
Said anti-form-1,4-TR 301 preferably include solution polymerization process synthetic anti-form-1,4-TR 301 and/or bulk precipitation polymerization method synthetic anti-form-1,4-TR 301.Anti-form-1, the 4-TR 301 is preferably 5～50 weight parts, more preferably 10～40 weight parts.The bulk precipitation polymerization method is produced anti-form-1, and 4-TR 301 cost is lower, still, because mass polymerization speed is difficult to control; Mass transfer, the difficulty of conducting heat, molecular weight of product distributes wide, and unreacted monomer and oligopolymer are difficult to remove fully; Metal ion contents such as residual catalyst are high, and are comparatively unfavorable to the dynamic heat build up and the flex cracking resistance performance of sizing material, therefore; Anti-form-1 of the present invention, 4-TR 301 preferably utilize solution method polymeric anti-form-1,4-TR 301.Temperature of reaction is controlled easily in the solution polymerization process; Can remove unconverted monomer and oligopolymer through steps such as glue cohesions after the finishing polymerization; Metal ion content also reduces greatly, makes the synthetic anti-form-1, and the purity and the stability of 4-TR 301 are guaranteed; Finding with polyisoprene rubber and in using, can reduce dynamic heat build up and improve flexible resistance.
Said reinforcing filler preferably includes one or more in nano silicate, WHITE CARBON BLACK and the carbon black.Said reinforcing filler is preferably 10～90 weight parts, more preferably 20～80 weight parts.The present invention does not have special restriction for the specification and the brand of said reinforcing filler, can adopt nano silicate, WHITE CARBON BLACK and the carbon black of commercial all size and brand.For example, said carbon black comprises N100 series, N200 is serial, N330 is serial, N400 is serial, N500 is serial, N600 is serial, N700 is serial, N800 is serial, N900 is serial, Sweet natural gas semi-reinforcing hydrocarbon black, Sweet natural gas thermally oxidized black and mixed gas carbon black etc.; Said WHITE CARBON BLACK comprises precipitated silica and thermal silica of various specific surface areas, particle diameter etc.
Among the present invention, said situ-formed graft modified additive preferably includes one or more in silane coupling agent, aluminate coupling agent, titanate coupling agent and the phosphate coupling agent, more preferably silane coupling agent.Said situ-formed graft modified additive is preferably 5～20 weight parts, more preferably 8～18 weight parts.The situ-formed graft modification that the present invention adopts is the multi-functional small organic molecule with amphiphilic chemical activity; When directly adding in the rubber that contains reinforcing filler; Since the situ-formed graft modified additive that the present invention adopts with reinforcing filler generation chemical reaction in; Carry out graft reaction with the functional groups such as two keys on the rubber molecular chain; Improve interface binding power and the dispersion level of reinforcing filler in rubber between organic polymer and reinforcing filler greatly, thereby improved the anti-fatigue performance of polyisoprene rubber blend.
Said compound rubber preferably includes one or more in X 050, polyisoprene rubber, cis-1,4-polybutadiene rubber, styrene-butadiene rubber(SBR), paracril, ethylene-propylene rubber(EPR), butyl rubber, epichlorohydrin rubber, viton, Zylox, thiorubber, urethanes and the regenerated rubber; During as compound rubber, the present invention does not have special restriction to the mass ratio between the various rubber with multiple rubber.Preferably include the compound rubber of 0～40 weight part in the raw material of polyisoprene rubber blend according to the invention, promptly can not contain compound rubber in this blend.Preferably, comprise the compound rubber of 5～30 weight parts, more preferably 10～20 weight parts.
Said first additive preferably includes one or more in promotor, vulcanizing agent, promoting agent, anti-aging agent and the tenderizer.Preferably include 0～25 weight part, first additive in the raw material of polyisoprene rubber blend according to the invention, promptly can not contain first additive in this blend.Preferably, comprise 5～20 weight parts, first additive, more preferably 8～18 weight parts.The present invention adopts consumption well known to those skilled in the art to get final product for the not special restriction of the independent consumption of said promotor, vulcanizing agent, promoting agent, anti-aging agent and tenderizer.
Accordingly, the present invention also provides a kind of preparation method of polyisoprene rubber blend, may further comprise the steps:
Anti-form-1 with 5～50 weight parts; The 4-TR 301 is after plasticating under 60～100 ℃; Descend mixing with the polyisoprene rubber of 60～100 weight parts, the reinforcing filler of 5～100 weight parts, the situ-formed graft modified additive of 1～25 weight part, the compound rubber and second additive of 0～40 weight part at 120～180 ℃; Obtain master batch, said second additive comprises one or more in promoting agent, anti-aging agent and the tenderizer;
Said master batch is mixed with the 3rd additive down at 15～100 ℃, obtain rubber unvulcanizate, said the 3rd additive comprises vulcanizing agent and/or promotor, the weight of said second additive and the 3rd additive and be 0～25 weight part;
With said rubber unvulcanizate sulfuration, obtain the polyisoprene rubber blend.
In above-mentioned preparation method, it is suitable-1 that said polyisoprene rubber preferably includes, 4-polyisoprene rubber and/or tree elastomer.Wherein, the present invention does not have special restriction for the specification and the brand of polyisoprene rubber, can adopt the suitable-1 of commercial all size and brand, 4-polyisoprene rubber and/or tree elastomer.Said polyisoprene rubber is preferably 65～95 weight parts, more preferably 70～90 weight parts.
Said anti-form-1,4-TR 301 preferably include solution polymerization process synthetic anti-form-1,4-TR 301 and/or bulk precipitation polymerization method synthetic anti-form-1,4-TR 301.Anti-form-1, the 4-TR 301 is preferably 5～50 weight parts, more preferably 10～40 weight parts.The bulk precipitation polymerization method is produced anti-form-1, and 4-TR 301 cost is lower, still, because mass polymerization speed is difficult to control; Mass transfer, the difficulty of conducting heat, molecular weight of product distributes wide, and unreacted monomer and oligopolymer are difficult to remove fully; Metal ion contents such as residual catalyst are high, and are comparatively unfavorable to the dynamic heat build up and the flex cracking resistance performance of sizing material, therefore; Anti-form-1 according to the invention, 4-TR 301 preferably utilize solution method polymeric anti-form-1,4-TR 301.Temperature of reaction is controlled easily in the solution polymerization process; Can remove unconverted monomer and oligopolymer through steps such as glue cohesions after the finishing polymerization; Metal ion content also reduces greatly, makes the synthetic anti-form-1, and the purity and the stability of 4-TR 301 are guaranteed; Finding with polyisoprene rubber and in using, can reduce dynamic heat build up and improve flexible resistance.
Said reinforcing filler preferably includes one or more in nano silicate, WHITE CARBON BLACK and the carbon black.Said reinforcing filler is preferably 10～90 weight parts, more preferably 20～80 weight parts.The present invention does not have special restriction for the specification and the brand of said reinforcing filler, can adopt nano silicate, WHITE CARBON BLACK and the carbon black of commercial all size and brand.The carbon black of various brands such as for example, said carbon black comprises N100 series, N200 is serial, N330 is serial, N400 is serial, N500 is serial, N600 is serial, N700 is serial, N800 is serial, N900 is serial, Sweet natural gas semi-reinforcing hydrocarbon black, Sweet natural gas thermally oxidized black and mixed gas carbon black and specification; Said WHITE CARBON BLACK comprises precipitated silica and thermal silica of various specific surface areas, particle diameter etc.
Among the present invention, said situ-formed graft modified additive preferably includes one or more in silane coupling agent, aluminate coupling agent, titanate coupling agent and the phosphate coupling agent, more preferably silane coupling agent.Said situ-formed graft modified additive is preferably 5～20 weight parts, more preferably 8～18 weight parts.The situ-formed graft modification that the present invention adopts is to be the situ-formed graft auxiliary agent with the multi-functional small organic molecule with amphiphilic chemical activity; Directly join in the rubber that contains reinforcing filler; Since the situ-formed graft modified additive that the present invention adopts with reinforcing filler generation chemical reaction in; Carry out graft reaction with the functional groups such as two keys on the rubber molecular chain; Improve interface binding power and the dispersion level of reinforcing filler in rubber between organic polymer and reinforcing filler greatly, thereby improved the anti-fatigue performance of polyisoprene rubber blend.
Said compound rubber comprises one or more in X 050, polyisoprene rubber, cis-1,4-polybutadiene rubber, styrene-butadiene rubber(SBR), paracril, ethylene-propylene rubber(EPR), butyl rubber, epichlorohydrin rubber, viton, Zylox, thiorubber, urethanes and the regenerated rubber; With multiple rubber during as compound rubber, the present invention does not have special restriction to the mass ratio between the various rubber.Preferably include the compound rubber of 0～40 weight part in the raw material of polyisoprene rubber blend according to the invention, promptly can not contain compound rubber in this blend.Preferably, comprise the compound rubber of 5～30 weight parts, more preferably 10～20 weight parts.
Said first additive comprises second additive and/or the 3rd additive; The weight of said second additive and the 3rd additive and be 0～25 weight part; Be preferably 5～20 weight parts; 8～18 weight parts more preferably, promptly in the preparation process of polyisoprene rubber blend, the weight of said second additive and the 3rd additive and represent not add second additive and second additive when being 0 weight fraction.
The preparation of polyisoprene rubber blend according to the invention can be carried out mixing by general rubber preparing device well known to those skilled in the art.Wherein, said plasticating temperature is preferably 70-90 ℃, and the said time of plasticating is preferably 2～30 minutes, and more preferably 5～25 minutes, more preferably 10～20 minutes; The said melting temperature that obtains master batch is preferably 130～170 ℃, more preferably 140～160 ℃; Said mixing time is preferably 2～30 minutes, and more preferably 5～25 minutes, more preferably 10～20 minutes.In said rubber unvulcanizate sulfurized step, the present invention does not have special restriction for said sulfurized temperature and time, and said curing temperature is preferably 100～180 ℃, and more preferably 110～170 ℃, more preferably 120～160 ℃; Said curing time is preferably 1～60 minute, and more preferably 5～50 minutes, more preferably 10～40 minutes.
In order to further specify technical scheme of the present invention; Below in conjunction with embodiment the preferred embodiment of the invention is described; Describe just to further specifying feature and advantage of the present invention but should be appreciated that these, rather than to the restriction of claim of the present invention.
Raw material that adopts in the embodiment of the invention and chemical reagent are commercial.
Embodiment 1～5 tree elastomer and anti-form-1,4-TR 301 blend
1. with anti-form-1, the 4-TR 301 places general rubber preparing device, and is mixing 3 minutes at 70 ℃;, and add under 140 ℃ of high temperature mixing 8 minutes again with the tree elastomer blend except that vulcanizing agent and the various compounding aids the promotor; Obtain master batch, concrete raw material and proportioning such as table 1;
2. above-mentioned master batch is parked cooling, when the sizing material temperature in normal temperature to 100 ℃ scope, add vulcanizing agent and promotor successively, sheet down after thin logical 3～5 times obtains rubber unvulcanizate;
3. after rubber unvulcanizate being parked 12 hours, rubber unvulcanizate in 150 ℃ of sulfurations 20 minutes, is obtained the polyisoprene rubber blend.
The physical and mechanical properties of the polyisoprene rubber blend of present embodiment preparation and dynamic heat build up (80 ℃ time loss factor values) are seen table 2; Visible from table 2; Anti-form-1; After 4-TR 301 and the tree elastomer blend, flex cracking resistance performance that obtain and the polyisoprene rubber blend obviously improves, and dynamic heat build up obviously reduces.With the solution method anti-form-1, the 4-TR 301 is that the anti-fatigue performance of raw material synthetic polyisoprene rubber blend is superior to the substance law anti-form-1, and the 4-TR 301 is a raw material synthetic polyisoprene rubber blend.Owing to added the situ-formed graft modified additive, the flexural property of the polyisoprene rubber blend of preparation further improves, and dynamic heat build up reduces.
The raw material of table 1 embodiment 1～5 and proportioning
The results of property of the polyisoprene rubber blend of table 2 embodiment 1～5 preparation
The preparation of embodiment 6～8 tree elastomers/solution polymerized butadiene styrene rubber/gutta-percha blend
With Gu Tabo in general rubber preparing device, 70 ℃ mixing 3 minutes, again with solution polymerized butadiene styrene rubber and tree elastomer blend; And add except that vulcanizing agent and the various compounding aids the promotor; Under 140 ℃ of high temperature mixing 12 minutes, obtain master batch, concrete raw material and proportioning such as table 3;
2. above-mentioned master batch is parked cooling, when the sizing material temperature in normal temperature-100 ℃ scope, add vulcanizing agent and promotor successively, sheet down after thin logical 3～5 times obtains rubber unvulcanizate;
3. after rubber unvulcanizate being parked 12 hours, rubber unvulcanizate in 150 ℃ of sulfurations 25 minutes, is obtained the polyisoprene rubber blend.
The results of property such as the table 4 of the polyisoprene rubber blend of present embodiment preparation.Visible from table 4, anti-form-1 is after 4-TR 301 and solution polymerized butadiene styrene rubber and the tree elastomer blend; The tensile strength of cross-linked rubber descends to some extent, but other conventional physical and mechanical propertiess variations are little, and the flex cracking resistance performance obviously improves; After adopting the situ-formed graft modified technique; Its flexural property further improves, and behind the employing situ-formed graft modified technique, its flexural property further improves.
The raw material of table 3 embodiment 6～8 and proportioning
| Basic recipe | Embodiment 6 (kg) | Embodiment 7 (kg) | Embodiment 8 (kg) |
| Tree elastomer | ?100 | ?50 | ?50 |
| Solution polymerized butadiene styrene rubber | ?0 | ?30 | ?30 |
| Gutta-percha | ?0 | ?20 | ?20 |
| Triple Pressed Stearic Acid | ?2 | ?2 | ?2 |
| Zinc oxide | ?5 | ?5 | ?5 |
| Silane coupling agent | ?0 | ?0 | ?10 |
| Kaolin | ?10 | ?10 | ?10 |
| WHITE CARBON BLACK | ?30 | ?30 | ?30 |
| Carbon black N330 | ?30 | ?30 | ?30 |
| Sulfur | ?2.1 | ?2.1 | ?2.1 |
| Accelerator NS | ?0.8 | ?0.8 | ?0.8 |
| Process oil | ?2 | ?2 | ?2 |
| Add up to | ?181.9 | ?181.9 | ?191.9 |
The results of property of the polyisoprene rubber blend of table 4 embodiment 6～8 preparations
Embodiment 9～11 tree elastomers/cis-1,4-polybutadiene rubber/anti-form-1,4-TR 301 blend
1. with anti-form-1; The 4-TR 301 places general rubber preparing device, 70 ℃ mixing 5 minutes, again with tree elastomer and cis-1,4-polybutadiene rubber blend; And add except that vulcanizing agent and the various compounding aids the promotor; Under 140 ℃ of high temperature mixing 4 minutes, obtain master batch, concrete raw material and proportioning such as table 5;
2. above-mentioned master batch is parked cooling, when the sizing material temperature in normal temperature-100 ℃ scope, add vulcanizing agent and promotor successively, sheet down after thin logical 3～5 times obtains rubber unvulcanizate.
3. after rubber unvulcanizate being parked 12 hours, rubber unvulcanizate in 150 ℃ of sulfurations 15 minutes, is obtained the polyisoprene rubber blend.
The polyisoprene rubber blend performance such as the table 6 of present embodiment preparation.Visible from table 6, after Chinese gutta percha and the polyisoprene rubber blend, the conventional physical and mechanical properties of cross-linked rubber changes little, and the flex cracking resistance performance obviously improves, and behind the employing situ-formed graft modified technique, its flexural property further improves.
The raw material of table 5 embodiment 9～11 and proportioning
| Raw material | Embodiment 9 (kg) | Embodiment 10 (kg) | Embodiment 11 (kg) |
| Polyisoprene rubber | ?100 | 80 | 80 |
| Anti-form-1,4-TR 301 (solution method) | ?0 | 20 | 20 |
| Carbon black | ?35 | 35 | 35 |
| Zinc oxide | ?5 | 5 | 5 |
| Triple Pressed Stearic Acid | ?2 | 2 | 2 |
| Silane coupling agent | ?0 | 0 | 5 |
| WHITE CARBON BLACK | ?20 | 20 | 20 |
| Anti-aging agent | ?4 | 4 | 4 |
| Sulfur | ?2.2 | 2.2 | 2.2 |
| Promotor | ?1.2 | 1.2 | 1.2 |
| Process oil | ?2 | 2 | 2 |
| Add up to | ?171.4 | 171.4 | 176.4 |
The results of property of the polyisoprene rubber blend of table 6 embodiment 9～11 preparations
Can find out by above embodiment; Polyisoprene rubber blend provided by the present invention has excellent physical and mechanical performance and heat aging performance; Excellent flexible resistance and lower dynamic heat build up, and technology is simple, can on general rubber preparing devices such as high temperature mill or Banbury mixer, realize; Be suitable for suitability for industrialized production, in rubber industry, can extensively adopt.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. polyisoprene rubber blend comprises following raw material:
Polyisoprene rubber 60～100 weight parts;
Anti-form-1,4-TR 301 5～50 weight parts;
Reinforcing filler 5～100 weight parts;
Situ-formed graft modified additive 1～25 weight part;
Compound rubber 0～40 weight part;
First additive, 0～25 weight part.
2. polyisoprene rubber blend according to claim 1 is characterized in that, it is suitable-1 that said polyisoprene rubber comprises, 4-polyisoprene rubber and/or tree elastomer.
3. polyisoprene rubber blend according to claim 1 is characterized in that, said anti-form-1,4-TR 301 comprise solution polymerization process synthetic anti-form-1,4-TR 301 and/or bulk precipitation polymerization method synthetic anti-form-1,4-TR 301.
4. polyisoprene rubber blend according to claim 1 is characterized in that said reinforcing filler comprises one or more in nano silicate, WHITE CARBON BLACK and the carbon black.
5. polyisoprene rubber blend according to claim 1 is characterized in that, said situ-formed graft modified additive comprises one or more in silane coupling agent, aluminate coupling agent, titanate coupling agent and the phosphate coupling agent.
6. polyisoprene rubber blend according to claim 1; It is characterized in that said compound rubber comprises one or more in X 050, polyisoprene rubber, cis-1,4-polybutadiene rubber, styrene-butadiene rubber(SBR), paracril, ethylene-propylene rubber(EPR), butyl rubber, epichlorohydrin rubber, viton, Zylox, thiorubber, urethanes and the regenerated rubber.
7. polyisoprene rubber blend according to claim 1 is characterized in that, said first additive comprises one or more in promotor, vulcanizing agent, promoting agent, anti-aging agent and the tenderizer.
8. the preparation method of a polyisoprene rubber blend may further comprise the steps:
Anti-form-1 with 5～50 weight parts; The 4-TR 301 is after plasticating under 60～100 ℃; Descend mixing with the polyisoprene rubber of 60～100 weight parts, the reinforcing filler of 5～100 weight parts, situ-formed graft modified additive, compound rubber and second additive of 1～25 weight part at 120～180 ℃; Obtain master batch, said second additive comprises one or more in promoting agent, anti-aging agent and the tenderizer;
Said master batch is mixed with the 3rd additive down at 15～100 ℃, obtain rubber unvulcanizate, said the 3rd additive comprises vulcanizing agent and/or promotor;
With said rubber unvulcanizate sulfuration, obtain the polyisoprene rubber blend.
9. preparation method according to claim 8 is characterized in that, said anti-form-1, and the 4-TR 301 is synthetic according to solution polymerization process.
10. preparation method according to claim 8 is characterized in that, said situ-formed graft modified additive comprises one or more in silane coupling agent, aluminate coupling agent, titanate coupling agent and the phosphate coupling agent.
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| CN104893049A (en) * | 2015-06-10 | 2015-09-09 | 周彩球 | Regenerated rubber |
| CN104910452A (en) * | 2015-05-20 | 2015-09-16 | 青岛科技大学 | Rubber material with high crack growth resistance, and preparation method thereof |
| CN105003762A (en) * | 2015-06-26 | 2015-10-28 | 开平市亿洋塑胶制品有限公司 | High pressure rubber pipe |
| CN105771002A (en) * | 2016-03-01 | 2016-07-20 | 青岛第派新材有限公司 | Trans-isoprene rubber medical splint material and preparation method thereof |
| CN106009092A (en) * | 2016-08-11 | 2016-10-12 | 安徽中鼎减震橡胶技术有限公司 | Rubber material and its production method |
| CN106317526A (en) * | 2016-08-29 | 2017-01-11 | 宁波美亚达汽车部件制造有限公司 | Fatigue-resistant deflection-resistant rubber material |
| CN107216507A (en) * | 2017-06-30 | 2017-09-29 | 南通鸿图橡塑有限公司 | A kind of heat conductive rubber |
| CN108102034A (en) * | 2017-12-08 | 2018-06-01 | 沈阳化工大学 | A kind of trans-1,4-iroprene polymer is grafted the graft copolymer preparation method of cis -1,4- polyisoprene |
| CN111423616A (en) * | 2020-05-20 | 2020-07-17 | 北京化工大学 | Tri-component composite reinforcing agent for hydrogenated nitrile rubber and preparation method thereof |
| CN113444299A (en) * | 2020-03-25 | 2021-09-28 | 抚顺伊科思新材料有限公司 | Rubber-plastic blend and mixing method thereof |
| CN115197486A (en) * | 2022-09-16 | 2022-10-18 | 广东粤港澳大湾区黄埔材料研究院 | Aircraft tire tread rubber |
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| CN102558621B (en) * | 2011-12-21 | 2014-03-26 | 上海普利特复合材料股份有限公司 | Low-dynamic-multiplying-power and high-attenuation rubber material and preparation method thereof |
| CN102558621A (en) * | 2011-12-21 | 2012-07-11 | 上海普利特复合材料股份有限公司 | Low-dynamic-multiplying-power and high-attenuation rubber material and preparation method thereof |
| WO2014187640A1 (en) * | 2013-05-23 | 2014-11-27 | Compagnie Generale Des Etablissements Michelin | Internal mixture for a tyre having improved cracking resistance |
| FR3005959A1 (en) * | 2013-05-23 | 2014-11-28 | Michelin & Cie | INTERNAL PNEUMATIC MIXTURE WITH ENHANCED CRACKING RESISTANCE |
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| CN105771002A (en) * | 2016-03-01 | 2016-07-20 | 青岛第派新材有限公司 | Trans-isoprene rubber medical splint material and preparation method thereof |
| CN106009092A (en) * | 2016-08-11 | 2016-10-12 | 安徽中鼎减震橡胶技术有限公司 | Rubber material and its production method |
| CN106317526A (en) * | 2016-08-29 | 2017-01-11 | 宁波美亚达汽车部件制造有限公司 | Fatigue-resistant deflection-resistant rubber material |
| CN107216507A (en) * | 2017-06-30 | 2017-09-29 | 南通鸿图橡塑有限公司 | A kind of heat conductive rubber |
| CN108102034A (en) * | 2017-12-08 | 2018-06-01 | 沈阳化工大学 | A kind of trans-1,4-iroprene polymer is grafted the graft copolymer preparation method of cis -1,4- polyisoprene |
| CN108102034B (en) * | 2017-12-08 | 2020-03-31 | 沈阳化工大学 | Preparation method of trans-1, 4-polyisoprene grafted cis-1, 4-polyisoprene grafted copolymer |
| CN113444299A (en) * | 2020-03-25 | 2021-09-28 | 抚顺伊科思新材料有限公司 | Rubber-plastic blend and mixing method thereof |
| CN111423616A (en) * | 2020-05-20 | 2020-07-17 | 北京化工大学 | Tri-component composite reinforcing agent for hydrogenated nitrile rubber and preparation method thereof |
| CN111423616B (en) * | 2020-05-20 | 2021-05-25 | 北京化工大学 | Tri-component composite reinforcing agent for hydrogenated nitrile rubber and preparation method thereof |
| CN115197486A (en) * | 2022-09-16 | 2022-10-18 | 广东粤港澳大湾区黄埔材料研究院 | Aircraft tire tread rubber |
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