CN104231641B - A kind of rubber homogenizing agent and preparation method thereof - Google Patents
A kind of rubber homogenizing agent and preparation method thereof Download PDFInfo
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- CN104231641B CN104231641B CN201410410923.4A CN201410410923A CN104231641B CN 104231641 B CN104231641 B CN 104231641B CN 201410410923 A CN201410410923 A CN 201410410923A CN 104231641 B CN104231641 B CN 104231641B
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- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 65
- 229920001971 elastomer Polymers 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 72
- 239000010426 asphalt Substances 0.000 claims abstract description 43
- 238000006243 chemical reaction Methods 0.000 claims abstract description 37
- 229920005989 resin Polymers 0.000 claims abstract description 34
- 239000011347 resin Substances 0.000 claims abstract description 34
- 239000002994 raw material Substances 0.000 claims abstract description 25
- 150000003505 terpenes Chemical class 0.000 claims abstract description 21
- 235000007586 terpenes Nutrition 0.000 claims abstract description 21
- 239000003054 catalyst Substances 0.000 claims abstract description 13
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 11
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims description 27
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 24
- 239000007864 aqueous solution Substances 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 9
- 239000000155 melt Substances 0.000 claims description 9
- 238000010792 warming Methods 0.000 claims description 9
- HECLRDQVFMWTQS-UHFFFAOYSA-N Dicyclopentadiene Chemical compound C1C2C3CC=CC3C1C=C2 HECLRDQVFMWTQS-UHFFFAOYSA-N 0.000 claims description 8
- 229920006026 co-polymeric resin Polymers 0.000 claims description 8
- 235000006408 oxalic acid Nutrition 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 230000008929 regeneration Effects 0.000 claims description 7
- 238000011069 regeneration method Methods 0.000 claims description 7
- 239000004793 Polystyrene Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 229920002223 polystyrene Polymers 0.000 claims description 6
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical group CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 5
- JFGVTUJBHHZRAB-UHFFFAOYSA-N 2,6-Di-tert-butyl-1,4-benzenediol Chemical compound CC(C)(C)C1=CC(O)=CC(C(C)(C)C)=C1O JFGVTUJBHHZRAB-UHFFFAOYSA-N 0.000 claims description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 230000003064 anti-oxidating effect Effects 0.000 claims 2
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 claims 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 1
- 229930003836 cresol Natural products 0.000 claims 1
- 238000004821 distillation Methods 0.000 claims 1
- 230000000711 cancerogenic effect Effects 0.000 abstract description 11
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 abstract description 10
- 231100000315 carcinogenic Toxicity 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000007385 chemical modification Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000001629 suppression Effects 0.000 abstract description 2
- 206010054949 Metaplasia Diseases 0.000 abstract 1
- 230000015689 metaplastic ossification Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 10
- 239000002202 Polyethylene glycol Substances 0.000 description 7
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 7
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 7
- 229920001223 polyethylene glycol Polymers 0.000 description 7
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 4
- 238000011160 research Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 101000823778 Homo sapiens Y-box-binding protein 2 Proteins 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000011269 tar Substances 0.000 description 2
- RSJKGSCJYJTIGS-UHFFFAOYSA-N undecane Chemical compound CCCCCCCCCCC RSJKGSCJYJTIGS-UHFFFAOYSA-N 0.000 description 2
- 239000013032 Hydrocarbon resin Substances 0.000 description 1
- RSWGJHLUYNHPMX-ONCXSQPRSA-N abietic acid Chemical compound C([C@@H]12)CC(C(C)C)=CC1=CC[C@@H]1[C@]2(C)CCC[C@@]1(C)C(O)=O RSWGJHLUYNHPMX-ONCXSQPRSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 125000002723 alicyclic group Chemical group 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 229920006272 aromatic hydrocarbon resin Polymers 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 150000001924 cycloalkanes Chemical class 0.000 description 1
- 238000001784 detoxification Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 229920006270 hydrocarbon resin Polymers 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
Abstract
The invention discloses a kind of rubber homogenizing agent, including the raw material components of following weight portion: 45～75 parts of asphalt, 10～40 parts of Petropols, 5～20 parts of naphthenic oil, 1～10 part of terpene resin, 0.1～15 part of modifying agent, 0.5～8 part of catalyst, 0～2 part of antioxidant, 0.1～4 part of NaOH.The invention also discloses the preparation method of a kind of rubber homogenizing agent.Rubber homogenizing agent of the present invention carries out chemical modification by modifying agent to asphalt, the structure of Carcinogenic Polycyclic Aromatic Hydrocarbons can be made to change, thus lose carcinogenic activity；By rationally selecting raw material components, it is possible to effectively reduce the content of Carcinogenic Polycyclic Aromatic Hydrocarbons in product；Terpene resin all has the good compatibility, it is possible to the most compatible with other component raw material, and doubles as antioxidant, it is possible to the effectively oxidation of resin in suppression production process；Reactions steps is simple, and raw material sources are convenient, is beneficial to industry metaplasia.
Description
Technical field
The present invention relates to auxiliary chemicals, be specifically related to a kind of rubber homogenizing agent and preparation method thereof.
Background technology
The major function of homogenizing agent is to solve the dispersion between opposed polarity rubber or between rubber and class rubber polymer.In chemical composition, homogenizing agent is the mixture of the opposed polarity compositions such as aliphatic hydrocarbon, cycloalkane and aromatic hydrocarbon resin.This mixture with opposed polarity, demonstrates the compatibility good between various elastomer, and can promote mixing by the interface of softening and infiltration polymer, make easily to be mutually shifted between the polymer molecule of opposed polarity, reach blended purpose.Meanwhile, homogenizing agent also has plasticising, the effect viscosifying, lubricating, and is rubber industry, particularly a kind of requisite process auxiliaries of tyre industry.At present, external rubber homogenizing agent mainly has Struktol-40ms that German S.S company produces, the TNB88 etc. of Rhein chemistry 145A, Flow Polymer company, these inlets even agent steady qualities, but price is significantly larger than homemade goods, and supply and cut in and out, have a strong impact on the production of tyre industry.
Increase along with China's tire yield nearly ten years and kind, processing technique, raw material compounding technique, environment-friendly and green process etc. are constantly brought forth new ideas, the demand of rubber homogenizing agent is increased the most day by day, currently mainly based on imported product, domestic produce in terms of the development of high performance cheap product, especially there is also certain gap.Domestic Scientific Research mechanism and relevant producer are the most all carrying out the research be correlated with, a large amount of research report to rubber plasticizing homogenizing agent in succession occur.
CN101580622A proposes with lubricating oil leftover bits and pieces, residual oil, Petropols as primary raw material, and successively addition air and dust technology are through twice oxidation polymerization, prepares plasticising homogenizing agent.
CN101358017A is with zinc stearate, carbon five resin and carbon nine resin as primary raw material, in normal pressure reactor, reaction temperature at least reacts 2 hours under the conditions of being 170 DEG C-190 DEG C, generate polymeric fatty hydrochlorate-hydrocarbon resin blend, rubber asphalt is added the most again in above-mentioned system, react at least 2 hours, prepare excellent equal element.
CN1900167A with blended tars (black material), multicomponent distillate (yellow material), three kinds of materials of cross-linking agent as primary raw material, under catalyst action, three kinds of raw materials are polymerized, cross-linking reaction, it is eventually adding NaOH solution to be neutralized by catalyst, prepares pitchy resin-like rubber plasticizing homogenizing agent.
Middle homogenizing agent preparation method reported above has the drawback that severe reaction conditions, and the response time is long, complex steps, wastes the energy, not yet forms large-scale production, and product quality is less than external product, affects the performance of rubber size.Product is prepared with residual oil, tar as raw material simultaneously, generally all contains substantial amounts of polycyclic aromatic hydrocarbon in these raw materials, causes polycyclic aromatic hydrocarbon content in the homogenizing agent of preparation higher.
Summary of the invention
It is an object of the invention to overcome problems of the prior art, it is provided that rubber homogenizing agent that a kind of Carcinogenic Polycyclic Aromatic Hydrocarbons content is low and preparation method thereof.
It is an object of the invention to be achieved through the following technical solutions: a kind of rubber homogenizing agent, including the raw material components of following weight portion: 45～75 parts of asphalt, 10～40 parts of Petropols, 5～20 parts of naphthenic oil, 1～10 part of terpene resin, 0.1～15 part of modifying agent, 0.5～8 part of catalyst, 0～2 part of antioxidant, 0.1～4 part of NaOH.
Preferably, described rubber homogenizing agent, including the raw material components of following weight portion: 50～70 parts of asphalt, 15～35 parts of Petropols, 10～15 parts of naphthenic oil, 1～5 part of terpene resin, 1～10 part of modifying agent, 0.5～8 part of catalyst, 0～1 part of antioxidant, 0.1～4 part of NaOH.
Described rubber homogenizing agent is prepared by the following method and obtains, and comprises the following steps:
(1), the modification of asphalt: asphalt is heated to 100～150 DEG C and melts, filter after removing insoluble impurity (mainly part cement slurry, sand grains etc. in Colophonium air storage), add modifying agent, keep temperature 100～150 DEG C to react 0.5 hour～2 hours；
(2), in the asphalt of molten condition, add Petropols, naphthenic oil, terpene resin, catalyst, antioxidant, at 100～150 DEG C, stir consolute, be warming up to 175～185 DEG C of stirring reactions 5～6 hours；Reaction adds NaOH aqueous solution, stirring reaction 5～20 minutes after terminating, be continuously heating to 200～230 DEG C, distill under the conditions of vacuum 0.04 ~ 0.05Mpa, until the softening point of product is at 95～105 DEG C, obtain rubber homogenizing agent.
Described asphalt is preferably No. 10 oil regeneration asphalts.
Described Petropols are one or more mixing in C5 Petropols, C9 Petropols, C5/C9 copolymer resins or DCPD resin (alicyclic resin).
Described naphthenic oil one in Pentamethylene. to ring hendecane.
Described modifying agent is the one in polystyrene, Polyethylene Glycol, styrene or a combination thereof.
Described catalyst is the one in p-methyl benzenesulfonic acid or oxalic acid.
Described antioxidant is the one in DBPC 2,6 ditertiary butyl p cresol, 2,5-ditert-butylhydro quinone.
It is a further object to provide the preparation method of a kind of rubber homogenizing agent, comprise the following steps:
(1), raw material components is weighed according to formula；
(2), the modification of asphalt: asphalt is heated to 100～150 DEG C and melts, filter after removing insoluble impurity, add modifying agent, keep temperature 100～150 DEG C react 0.5 hour～2 hours；
(3), in the asphalt of molten condition, add Petropols, naphthenic oil, terpene resin, catalyst, antioxidant, at 100 DEG C～150 DEG C, stir consolute, be warming up to 175～185 DEG C of stirring reactions 5～6 hours；Reaction adds NaOH aqueous solution, stirring reaction 5～20 minutes after terminating, be continuously heating to 200～230 DEG C, distill under the conditions of vacuum 0.04 ~ 0.05mpa, until the softening point of product is at 95～105 DEG C, obtain rubber homogenizing agent.
Described NaOH aqueous solution is weight/mass percentage composition 20～the NaOH aqueous solution of 30%.
Containing a large amount of aromatic contents in asphalt, including mononuclear aromatics, double ring arene, condensed-nuclei aromatics and condensed-nuclei aromatics and heteroatomic compound.Under modifying agent effect, these fragrant ingredients and modifying agent can occur addition or substitution reaction, i.e. chemical modification.By aromatic hydrocarbon is carried out chemical modification, the structure of Carcinogenic Polycyclic Aromatic Hydrocarbons can be made to change, thus lose carcinogenic activity.Owing to various different polycyclic aromatic hydrocarbon carcinogens have similar carcinogenic architectural feature and close chemical characteristic, a kind of polymer modifiers is likely respectively provided with detoxification in various degree to various Carcinogenic Polycyclic Aromatic Hydrocarbons.
Compared to the prior art, beneficial effects of the present invention:
(1), rubber homogenizing agent of the present invention by modifying agent, asphalt is carried out chemical modification, the structure of Carcinogenic Polycyclic Aromatic Hydrocarbons can be made to change, thus lose carcinogenic activity；
(2), by rationally selecting the raw material components of rubber homogenizing agent of the present invention, it is possible to effectively reduce the content of Carcinogenic Polycyclic Aromatic Hydrocarbons in product；
(3), in rubber homogenizing agent of the present invention, terpene resin all has the good compatibility, it is possible to the most compatible with other component raw material；And double as antioxidant, it is possible to the effectively oxidation of resin in suppression production process；
(4), rubber homogenizing agent reactions steps of the present invention simple, and its raw material the most all realizes industrialized production, originate the most convenient, therefore for material base that the offer of domestic homogenizing agent industrialized production is good.
Detailed description of the invention
In conjunction with specific embodiments technical scheme is described further.
Embodiment
1
Raw material components is weighed: 60 parts of asphalt (No. 10 oil regeneration asphalts), 25 parts of C5 Petropols, 12 parts of Pentamethylene., 4 parts of terpene resins, 5 parts of Polyethylene Glycol, 5 parts of p-methyl benzenesulfonic acid, 0.5 part of DBPC 2,6 ditertiary butyl p cresol, 1.2 parts of NaOH according to formula；Asphalt is put into and material still is heated to 110 DEG C melts, after being evacuated in leaf filter filter and removing insoluble impurity, be delivered in molten-bath add Polyethylene Glycol, keep temperature 110 DEG C reaction asphalt to be modified in 1 hour；In the asphalt of molten condition, add C5 Petropols, Pentamethylene., terpene resin, p-methyl benzenesulfonic acid, 2,6 ditertiary butyl p cresol, at 150 DEG C, stir consolute, be warming up to 180 DEG C of stirring reactions 5 hours；Reaction adds the NaOH aqueous solution of the 20% of preparation, stirring reaction 5 minutes after terminating, be continuously heating to 200 DEG C, distill under the conditions of vacuum 0.04Mpa, until the softening point of product is at 95 DEG C, obtain rubber homogenizing agent.
Embodiment
2
Raw material components is weighed: 70 parts of asphalt (No. 10 oil regeneration asphalts), 15 parts of C5/C9 copolymer resinses, 10 parts of hexamethylene, 5 parts of terpene resins, 10 parts of Polyethylene Glycol, 8 parts of p-methyl benzenesulfonic acid, 1.8 parts of NaOH according to formula；Asphalt is put into and material still is heated to 150 DEG C melts, after being evacuated in leaf filter filter and removing insoluble impurity, be delivered to molten-bath and add Polyethylene Glycol, keep temperature 150 DEG C reaction asphalt to be modified in 0.5 hour；In the asphalt of molten condition, add C5/C9 copolymer resins, hexamethylene, terpene resin, LABS, at 150 DEG C, stir consolute, be warming up to 180 DEG C of stirring reactions 5 hours；Reaction adds the NaOH aqueous solution of the 20% of preparation, stirring reaction 5 minutes after terminating, be continuously heating to 220 DEG C, distill under the conditions of vacuum 0.045Mpa, until the softening point of product is at 100 DEG C, obtain rubber homogenizing agent.
Embodiment
3
Raw material components is weighed: 50 parts of asphalt (No. 10 oil regeneration asphalts), 35 parts of DCPD resins, 15 parts of Pentamethylene., 1.5 parts of terpene resins, 1 part of polystyrene, 0.5 part of oxalic acid, 1 part of 2,5-ditert-butylhydro quinone, 0.2 part of NaOH according to formula；Asphalt is put into and material still is heated to 130 DEG C melts, after being evacuated in leaf filter filter and removing insoluble impurity, be delivered to molten-bath and add polystyrene, keep temperature 130 DEG C reaction asphalt to be modified in 1 hour；In the asphalt of molten condition add DCPD resin, Pentamethylene., terpene resin, oxalic acid, 2,5-ditert-butylhydro quinone, at 130 DEG C stir consolute, be warming up to 175 DEG C stirring reaction 6 hours；Reaction adds the NaOH aqueous solution of the 30% of preparation, stirring reaction 5 minutes after terminating, be continuously heating to 230 DEG C, distill under the conditions of vacuum 0.05Mpa, until the softening point of product is at 105 DEG C, obtain rubber homogenizing agent.
Embodiment
4
Raw material components is weighed: 45 parts of asphalt (No. 10 oil regeneration asphalts), 5 parts of C5/C9 copolymer resinses, 5 parts of DCPD resins, 20 parts of Pentamethylene., 10 parts of terpene resins, 1.5 parts of polystyrene, 5 parts of oxalic acid, 2.25 parts of NaOH according to formula；Asphalt is put into and material still is heated to 140 DEG C melts, after being evacuated in leaf filter filter and removing insoluble impurity, be delivered to molten-bath and add polystyrene, keep temperature 140 DEG C reaction asphalt to be modified in 0.5 hour；In the asphalt of molten condition, add C5/C9 copolymer resins, DCPD resin, Pentamethylene., terpene resin, oxalic acid, at 140 DEG C, stir consolute, be warming up to 185 DEG C of stirring reactions 5 hours；Reaction adds the NaOH aqueous solution of the 30% of preparation, stirring reaction 10 minutes after terminating, be continuously heating to 210 DEG C, distill under the conditions of vacuum 0.05Mpa, until the softening point of product is at 100 DEG C, obtain rubber homogenizing agent.
Embodiment
5
Raw material components is weighed: 75 parts of asphalt (No. 10 oil regeneration asphalts), 20 parts of C5/C9 copolymer resinses, 20 parts of DCPD resins, 5 parts of hexamethylene, 8 parts of terpene resins, 15 parts of Polyethylene Glycol, 8 parts of oxalic acid, 3.6 parts of NaOH according to formula；Asphalt is put into and material still is heated to 100 DEG C melts, after being evacuated in leaf filter filter and removing insoluble impurity, be delivered to molten-bath and add Polyethylene Glycol, keep temperature 100 DEG C reaction asphalt to be modified in 1 hour；In the asphalt of molten condition, add C5/C9 copolymer resins, DCPD resin, hexamethylene, terpene resin, oxalic acid, at 150 DEG C, stir consolute, be warming up to 180 DEG C of stirring reactions 5 hours；Reaction adds the NaOH aqueous solution of the 30% of preparation, stirring reaction 10 minutes after terminating, be continuously heating to 210 DEG C, distill under the conditions of vacuum 0.05Mpa, until the softening point of product is at 95 DEG C, obtain rubber homogenizing agent.
Compared by infrared spectrometer and characterize, utilizing infrared matching degree to differentiate material similarity.The rubber homogenizing agent preparing embodiment 1-5 is respectively 96.74%, 96.53%, 97.12%, 95.78% and 95.65% with the homogenizing agent M40 matching degree of Kettlitz company of Germany.In general, when matching degree reaches more than 90%, it is believed that the structure of two samples is basically identical.
Claims (9)
1. a rubber homogenizing agent, it is characterised in that include the raw material components of following weight portion: 45～75 parts of asphalt,
10～40 parts of Petropols, 5～20 parts of naphthenic oil, 1～10 part of terpene resin, 0.1～15 part of modifying agent, 0.5～8 part
Catalyst, 0～2 part of antioxidant, 0.1～4 part of NaOH；
Described Petropols are the one in C5 Petropols, C9 Petropols, C5/C9 copolymer resins or DCPD resin
Or multiple mixing.
Rubber homogenizing agent the most according to claim 1, it is characterised in that it includes the raw material components of following weight portion:
50～70 parts of asphalt, 15～35 parts of Petropols, 10～15 parts of naphthenic oil, 1～5 part of terpene resin, 1～10 part
Modifying agent, 0.5～8 part of catalyst, 0～1 part of antioxidant, 0.1～4 part of NaOH.
Rubber homogenizing agent the most according to claim 1, it is characterised in that described rubber homogenizing agent is by the following method
Prepare, comprise the following steps:
(1), the modification of asphalt: asphalt is heated to 100～150 DEG C and melts, filter after removing insoluble impurity,
Add modifying agent, keep temperature 100～150 DEG C to react 0.5 hour～2 hours；
(2), in the asphalt of molten condition, Petropols, naphthenic oil, terpene resin, catalyst, antioxidation are added
Agent, stirs consolute at 100～150 DEG C, is warming up to 175～185 DEG C of stirring reactions 5～6 hours；Reaction adds after terminating
NaOH aqueous solution, stirring reaction 5～20 minutes, it is continuously heating to 200～230 DEG C, vacuum 0.04～0.05mpa condition
Lower distillation, until the softening point of product is at 95～105 DEG C, obtains rubber homogenizing agent.
Rubber homogenizing agent the most according to claim 1, it is characterised in that described asphalt is No. 10 oil regeneration drips
Blue or green.
Rubber homogenizing agent the most according to claim 1, it is characterised in that described modifying agent is polystyrene, poly-second two
One in alcohol, styrene or a combination thereof.
Rubber homogenizing agent the most according to claim 1, it is characterised in that described catalyst is p-methyl benzenesulfonic acid or oxalic acid
In one.
Rubber homogenizing agent the most according to claim 1, it is characterised in that described antioxidant is 2,6-di-t-butyl pair
One in cresol, 2,5-ditert-butylhydro quinone.
8. the preparation method of the rubber homogenizing agent described in a claim 1, it is characterised in that it comprises the following steps:
(1), raw material components is weighed according to formula；
(2), the modification of asphalt: asphalt is heated to 100～150 DEG C and melts, filter after removing insoluble impurity,
Add modifying agent, keep temperature 100～150 DEG C to react 0.5 hour～2 hours；
(3), in the asphalt of molten condition, Petropols, naphthenic oil, terpene resin, catalyst, antioxidation are added
Agent, stirs consolute at 100 DEG C～150 DEG C, is warming up to 175～185 DEG C of stirring reactions 5～6 hours；Reaction adds after terminating
NaOH aqueous solution, stirring reaction 5～20 minutes, it is continuously heating to 200～230 DEG C, vacuum 0.04～0.05Mpa bar
Distill under part, until the softening point of product is at 95～105 DEG C, obtain rubber homogenizing agent.
The preparation method of rubber homogenizing agent the most according to claim 8, it is characterised in that described NaOH aqueous solution is
Weight/mass percentage composition 20～the NaOH aqueous solution of 30%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410410923.4A CN104231641B (en) | 2014-08-20 | A kind of rubber homogenizing agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410410923.4A CN104231641B (en) | 2014-08-20 | A kind of rubber homogenizing agent and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104231641A CN104231641A (en) | 2014-12-24 |
| CN104231641B true CN104231641B (en) | 2017-01-04 |
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