CN102604159A - Low-heat-generation-function auxiliary agent for rubber tread and preparation method thereof - Google Patents
Low-heat-generation-function auxiliary agent for rubber tread and preparation method thereof Download PDFInfo
- Publication number
- CN102604159A CN102604159A CN2011103105891A CN201110310589A CN102604159A CN 102604159 A CN102604159 A CN 102604159A CN 2011103105891 A CN2011103105891 A CN 2011103105891A CN 201110310589 A CN201110310589 A CN 201110310589A CN 102604159 A CN102604159 A CN 102604159A
- Authority
- CN
- China
- Prior art keywords
- heat
- low
- mass parts
- generation
- component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Tires In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a low-heat-generation-function auxiliary agent for a rubber tread and a preparation method thereof. The preparation method is characterized by comprising the following steps of: adding 10-30 parts of components A and B by mass into 100 parts of white carbon black by mass, wherein A is more than or equal to 6 parts by mass and is less than or equal to 25 parts by mass, B is more than 0 part by mass and is less than or equal to 15 parts by mass; adding 1-5 parts of operation oil by mass; physically mixing the components in an agitator to be uniform; pouring uniformly-mixed powder into an automatic temperature-control solid reactor and agitating and reacting at a temperature of 60-135 DEG C for 20-180 min; and cooling to the room temperature to prepare the low-heat-generation-function auxiliary agent. According to the invention, the low-heat-generation-function auxiliary agent is added into a rubber mixture so as to improve the machining performance of rubber, reduce the heat generation performance of the rubber, reduce the hysteresis loss, effectively reduce the rolling resistance of a tire and reduce the energy consumption.
Description
Technical field:
The present invention relates to a kind of rubber tread and use the low-heat-generation functional agent, particularly the preparation method of this functional agent.
Background technology:
Along with the raising of country, there are the quality and technical indexs such as tire drag of considerable influence to require also to improve to automobile fuel saving to tire product energy-conserving and environment-protective requirement thereupon.According to the test shows of U.S. authoritative institution, the every decline 3%～5% of tire drag, but just fuel-economizing 1% of automobile.Low-rolling-resistance, low oil consumption, low noise have become European and American countries and have weighed the leading indicator whether tire meets the low-carbon economy demand for development.If can make tire have advantages such as little, the more wear-resisting and ride comfort of rolling resistance, energy loss will reduce, also low-carbon environment-friendly more.Therefore, be " green tire " of principal feature with safe and efficient, energy-conserving and environment-protective, be the main direction of international tire industry development.Wherein reduce the rolling resistance of tyre surface and guarantee that wet-sliding resistant performance well will be the most basic requirement of green tire.
There are problems such as Sheng Regao, elasticity are low in carbon black as the reinforcing rubber material, and the low carbon black that lags behind has become many researchists' research focus.In Chinese patent CN 101857685A,, improve the tensile strength at yield and the tear resistance of sizing material, produce low-heat-generation, fatigue resistance tyre rubber cushion through adopting the N375 carbon black to replace former N660 carbon black.
In the tread rubber of tire, add anti-cutting, the tear resistance that WHITE CARBON BLACK can improve tyre surface, reduce the rolling resistance of tire.With WHITE CARBON BLACK and carbon black and be used as the strengthening agent of tread rubber, can make sizing material reach the desired rolling resistance of high-performance tire tread rubber, anti-slippery and wear resistance in the U.S. Pat 7640957.In this invention is the conductive performance that utilizes Shawinigan black; Thereby the living thermal conduction of sizing material is gone out the effect that reaches the living heat of minimizing, reduces rolling resistance; Can not reduce the heat of giving birth to of sizing material itself; And because the size of particles of carbon black and WHITE CARBON BLACK is little, surface energy is big, the consistency between powder and rubber molecule is not improved, and processing characteristics does not obviously improve.
The present invention adds the low-heat-generation functional agent in the sizing material to; Wherein the WHITE CARBON BLACK component improves anti-cutting, the tear resistance of tyre surface, reduce the rolling resistance of tire, and the active ingredient in the functional agent both can have been improved the interaction between WHITE CARBON BLACK and the rubber macromolecule; Can promote the crosslinking reaction between rubber macromolecule again; Improve the cross-linking density of sizing material, thereby give birth to heat, reduce the hysteresis quality of sizing material through the inside of reducing elastomeric material; Reduce sizing material and give birth to the rolling resistance of heat and tire tread, can make tyre surface have better machining property and wear resistance simultaneously.Low-heat-generation functional agent provided by the invention can make tyre surface have Gao Dingshen, high shear modulus, reduces tyre surface and gives birth to heat, improves rolling resistance, makes the operational stability of tire good and riding comfort is good.
Summary of the invention:
The objective of the invention is the low-heat-generation functional agent is added in the rubber, give birth to heat, reduce the hysteresis quality of sizing material, reduce tire drag through the inside of reducing elastomeric material.This low-heat-generation functional agent is to be carrier with the WHITE CARBON BLACK; Add component A and B component; Under heating condition; Generate active ingredient after component A and B react, behind the silicon hydroxyl generation hydrogen bond action on phenolic hydroxyl group in the active ingredient and WHITE CARBON BLACK surface, form the low-heat-generation functional agent of active ingredient modified white carbon black.This low-heat-generation functional agent is distributed in the rubber macromolecule, can gives full play to the reactive behavior of active ingredient, with the rubber macromolecule crosslinking reaction; Improve the cross-linking density of sizing material; Fall low-heat-generation, improve the rolling resistance of tire, reduce energy consumption; Improve the control stability of tire, the WHITE CARBON BLACK carrier can improve the wear resistance of sizing material, anti-cutting and tear resistance simultaneously.
Another object of the present invention provides the low-heat-generation functional agent of method for preparing.
One of characteristic of the present invention is; Said low-heat-generation functional agent contains: be used to improve the anti-cutting of tyre surface, WHITE CARBON BLACK 100 mass parts of tear resistance, and be used for joining the active ingredient that said 100 mass parts WHITE CARBON BLACKs are generated by component A and B component reaction.Component A and B component be totally 10～30 mass parts, wherein, and 6 mass parts≤A≤25 mass parts, 0 mass parts＜B≤15 mass parts.Wherein, Said component A can be a kind of or more than one mixtures in Resorcinol, Resorcinol and vulkacit H condenses, Resorcinol and formaldehyde condensation products, Resorcinol and the hexakis-methoxy methylmelamine condenses, and B can be a kind of or more than one mixtures in vulkacit H, hexakis-methoxy methylmelamine, the Paraformaldehyde 96.
Two of characteristic of the present invention is that the preparation method of above-mentioned low-heat-generation functional agent is following:
100 parts of (mass parts; Add totally 10～30 parts of component A and B component in the WHITE CARBON BLACK down together), and 1～5 part of process oil, physical mixed is even in stirrer; Pour the powder after mixing in the temperature automatically controlled solid reactor into; Temperature is controlled at 60～135 ℃ of stirring reaction 20min～180min, is cooled to room temperature, promptly makes the low-heat-generation functional agent.
By the low-heat-generation functional agent of method for preparing is that component A and B component react on the surface of carrier WHITE CARBON BLACK under heating condition; The active ingredient modification that reaction is generated is on the surface of WHITE CARBON BLACK; The polarity and the wetting ability on WHITE CARBON BLACK surface had both been reduced; Improve its dispersiveness in polymer macromolecule; The active ingredient on WHITE CARBON BLACK surface can be contacted with polymer macromolecule fully and rubber in the two keys of C=C form the oxa-naphthalene structures or with natural gum in alpha-carbon atom combines formation crosslinked, thereby promote this low-heat-generation functional agent and polymer macromolecule generation crosslinking reaction.This low-heat-generation functional agent is joined in the size mixture, can improve the processing characteristics of sizing material, reduce the heat generation of sizing material self, reduce hysteresis loss, effectively reduce the rolling resistance of tire, reduce energy consumption.
The present invention compared with prior art has following outstanding advantage:
1) functional agent provided by the invention, A component and B component are modified on the WHITE CARBON BLACK carrier through chemical reaction, but not physical blending or other loads and doped forms.
2) preparation is simple for functional agent of the present invention, need not to add catalyzer.
3) functional agent of the present invention adopts the technology of environmental protection, and not with an organic solvent, component A and B component are accomplished reaction in solid phase, need not to carry out the aftertreatment of solvent.
4) among the present invention A component and B component carried out precondensation after, modification is added to then and carries out calendering process in the sizing material on the WHITE CARBON BLACK surface, has avoided A component and B component are directly joined the release that gas is arranged in the size mixture in calendering process.
5) functional agent is added in the size mixture, improve hysteresis loss, the reduction rolling resistance of tire through the heat generation that reduces sizing material self, but not reduce heat generation through conduction or other modes.
Low-heat-generation functional agent of the present invention can be applied to various viton, tree elastomer or its blended rubber, can obviously reduce the heat of giving birth to of tyre surface, reduces rolling resistance, reduces energy consumption.The technology that the present invention adopted is simple, raw material is easy to get, cost is low, good reproducibility, has vast potential for future development.
Description of drawings:
Fig. 1 is the energy storage shearing modulus (G ') under the differently strained condition, and wherein " ■ " represents embodiment 1, and " ▲ " represents embodiment 2, and " * " represents embodiment 3, and " * " represents embodiment 4.
Fig. 2 is the tan δ (60 ℃) under the differently strained condition, and δ is a lagging angle, and wherein " ■ " represents embodiment 1, and " ▲ " represents embodiment 2, and " * " represents embodiment 3, and " * " represents embodiment 4.
Embodiment:
Principle of the present invention is:
With the WHITE CARBON BLACK is carrier; Add component A and B component, A and B react under heating condition, generate dimethanolamine and formaldehyde; Generate active ingredient with the reaction of Resorcinol generation precondensation; The hydroxyl effect that hydroxyl in the molecules of active components is further surperficial with WHITE CARBON BLACK, modification obtain the low-heat-generation functional agent of active constituent loading on the WHITE CARBON BLACK surface on the WHITE CARBON BLACK surface.
The preparation method of low-heat-generation functional agent comprises among the present invention:
Step (1); 100 parts of (mass parts; Down with) to add mass parts in the WHITE CARBON BLACK be 10～30 parts component A and B altogether; And 1～5 part of process oil, physical mixed is even in stirrer, wherein; A can be a kind of or more than one mixtures in Resorcinol, Resorcinol and vulkacit H condenses, Resorcinol and formaldehyde condensation products, Resorcinol and the hexakis-methoxy methylmelamine condenses, and B can be a kind of or more than one mixtures in vulkacit H, hexakis-methoxy methylmelamine, the Paraformaldehyde 96;
Step (2) is poured the powder that mixes in the step (1) in the temperature automatically controlled solid reactor into, and temperature is controlled at 60～135 ℃ of reaction 20min～180min down, is cooled to room temperature, promptly makes the low-heat-generation functional agent.
In conjunction with the practical implementation process embodiment is described in detail as follows:
Embodiment 1:
In 100 parts of WHITE CARBON BLACKs, add 8 parts of Resorcinols and vulkacit H condenses, 1 part of Resorcinol and formaldehyde condensation products and 1 part of vulkacit H, add 1 part of process oil, physical mixed is even in stirrer; The above-mentioned powder that mixes is poured in the solid reactor, maintained 100 ℃ of reaction 60min, be cooled to room temperature, promptly get the low-heat-generation functional agent.
Embodiment 2:
In 100 parts of WHITE CARBON BLACKs, add 6 parts of Resorcinols, 7 parts of vulkacit Hs and 8 parts of Paraformaldehyde 96s, add 2 parts of process oils, physical mixed is even in stirrer; The above-mentioned powder that mixes is poured in the solid reactor, maintained 135 ℃ of reaction 20min, be cooled to room temperature, promptly get the low-heat-generation functional agent.
Embodiment 3:
In 100 parts of WHITE CARBON BLACKs, add 3 parts of Resorcinols, 7 parts of hexakis-methoxy methylmelamines and 20 parts of Resorcinols and hexakis-methoxy methylmelamine condenses, add 1 part of process oil, physical mixed is even in stirrer; The above-mentioned powder that mixes is poured in the solid reactor, and 100 ℃ of reaction 100min are cooled to room temperature, promptly get the low-heat-generation functional agent.
Embodiment 4:
In 100 parts of WHITE CARBON BLACKs, add 25 parts of Resorcinols and vulkacit H condenses and 0.001 part of vulkacit H, add 5 parts of process oils, physical mixed is even in stirrer; The above-mentioned powder that mixes is poured in the solid reactor, and 60 ℃ of reaction 180min are cooled to room temperature, promptly get the low-heat-generation functional agent.
The The performance test results of embodiment 1～4 is as shown in the table, and wherein " blank " be not for adding the sizing compound formula of low-heat-generation functional agent:
Rubber basic recipe (mass parts): tree elastomer 70, butadiene-styrene rubber 30, carbon black 58, functional agent 4, zinc oxide 3, Triple Pressed Stearic Acid 1.5, environmental protection oil 3, anti-aging agent 4,020 1.5, anti-aging agent RD 1.0, accelerant CZ 1.2, sulphur 1.75.Aging condition: 100 ℃ * 24h.
The mechanical property of table 1 sizing compound formula
| Sample | | Embodiment | 1 | Embodiment 2 | |
Embodiment 4 |
| 100% stress at definite elongation/MPa | 3.17 | 3.90 | 3.73 | 3.73 | 4.01 | |
| 300% stress at definite elongation/MPa | 13.40 | 15.34 | 14.70 | 14.67 | 15.73 | |
| Tensile strength/MPa | 20.64 | 21.65 | 21.11 | 21.26 | 21.24 | |
| Tensile yield/% | 451 | 418 | 420 | 426 | 397 | |
| Tear strength/kN/m | 72.3 | 87.5 | 81.6 | 82.4 | 90.9 | |
| Shore A hardness | 75 | 77 | 77 | 76 | 76 | |
| The relative volume wear loss | 0.061 | 0.059 | 0.059 | 0.061 | 0.060 | |
| MH-ML | 15.30 | 18.01 | 18.06 | 16.67 | 18.39 | |
| Aging coefficient | 0.64 | 0.72 | 0.74 | 0.73 | 0.75 |
From table 1, can find out; Stress at definite elongation, tensile strength, the tear strength of sizing material all increase behind the adding low-heat-generation functional agent; Hardness also increases, and shows that the cross-linking density of sizing material and ageing-resistant performance are significantly increased, and explains that the comprehensive mechanical property of low-heat-generation functional agent is better.
The dynamic storage modulus curve of sizing material can be found out under the different stress conditions from Fig. 1; The dynamic storage modulus that adds sizing material behind the low-heat-generation functional agent of the present invention all rises to some extent; Show that the low-heat-generation functional agent that provides among the present invention all improves significantly to the sizing material dynamic properties, can improve tire operational stability under steam and the comfortableness of taking.
The tan δ value of test material under 60-70 ℃ can be used for the hysteresis quality of exosyndrome material, and tan δ is more little, and the hysteresis quality of sizing material is low more.Tan δ (60 ℃) by under the different stress conditions of Fig. 2 shows; Low-heat-generation functional agent among the embodiment 1～4 has all reduced the tan δ (60 ℃) of sizing material, and the hysteresis loss of sizing material reduces, and this means that the living heat drop of sizing material under dynamic working conditions is low; Reduce the rolling resistance of tire, cut down the consumption of energy.
Claims (4)
1. a rubber tread is used the low-heat-generation functional agent; It is characterized in that, contain: be used to improve the anti-cutting of tyre surface, WHITE CARBON BLACK 100 mass parts of tear resistance, and be used for joining the active ingredient that said 100 mass parts WHITE CARBON BLACKs are generated by component A and B component reaction; Component A and B component be totally 10～30 mass parts; Wherein, 6 mass parts≤A≤25 mass parts, 0 mass parts＜B≤15 mass parts.
2. a kind of rubber tread according to claim 1 is used the low-heat-generation functional agent, it is characterized in that said component A can be a kind of or more than one mixtures in Resorcinol, Resorcinol and vulkacit H condenses, Resorcinol and formaldehyde condensation products, Resorcinol and the hexakis-methoxy methylmelamine condenses.
3. a kind of rubber tread according to claim 1 is used the low-heat-generation functional agent, it is characterized in that said B component can be a kind of or more than one mixtures in vulkacit H, hexakis-methoxy methylmelamine, the Paraformaldehyde 96.
4. the preparation method that a kind of rubber tread according to claim 1 proposes with the low-heat-generation functional agent; It is characterized in that: in 100 mass parts WHITE CARBON BLACKs, add component A and B 10～30 mass parts altogether, and 1～5 mass parts process oil, physical mixed is even in stirrer; The powder that mixes is poured in the temperature automatically controlled solid reactor; Temperature is controlled at 60～135 ℃ of stirring reaction 20min～180min, is cooled to room temperature, promptly makes described low-heat-generation functional agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103105891A CN102604159A (en) | 2011-10-14 | 2011-10-14 | Low-heat-generation-function auxiliary agent for rubber tread and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103105891A CN102604159A (en) | 2011-10-14 | 2011-10-14 | Low-heat-generation-function auxiliary agent for rubber tread and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102604159A true CN102604159A (en) | 2012-07-25 |
Family
ID=46521966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103105891A Pending CN102604159A (en) | 2011-10-14 | 2011-10-14 | Low-heat-generation-function auxiliary agent for rubber tread and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102604159A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756009A (en) * | 2014-01-14 | 2014-04-30 | 宫相勤 | Solid granular environment-friendly rubber processing oil and preparation method thereof |
| CN104710802A (en) * | 2015-04-03 | 2015-06-17 | 浙江巍翔科技集团有限公司 | Rubber antifatigue additive and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1245176A (en) * | 1998-08-07 | 2000-02-23 | 固特异轮胎和橡胶公司 | Inflatable tyre with tread containing resin |
| CN101434716A (en) * | 2007-11-16 | 2009-05-20 | 四川轮胎橡胶（集团）股份有限公司 | Semi-steel wire radial tire undertread calendering sizing compound |
-
2011
- 2011-10-14 CN CN2011103105891A patent/CN102604159A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1245176A (en) * | 1998-08-07 | 2000-02-23 | 固特异轮胎和橡胶公司 | Inflatable tyre with tread containing resin |
| CN101434716A (en) * | 2007-11-16 | 2009-05-20 | 四川轮胎橡胶（集团）股份有限公司 | Semi-steel wire radial tire undertread calendering sizing compound |
Non-Patent Citations (1)
| Title |
|---|
| 李璐等: "浅谈橡胶与纤维骨架材料的粘合", 《中国胶粘剂》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756009A (en) * | 2014-01-14 | 2014-04-30 | 宫相勤 | Solid granular environment-friendly rubber processing oil and preparation method thereof |
| CN103756009B (en) * | 2014-01-14 | 2016-01-20 | 宫相勤 | A kind of solid particulate environment-friendly rubber process oil and preparation method |
| CN104710802A (en) * | 2015-04-03 | 2015-06-17 | 浙江巍翔科技集团有限公司 | Rubber antifatigue additive and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113652011A (en) | Low-heat-generation high-heat-conductivity tread rubber composition, mixing method thereof and tire | |
| CN107011549B (en) | A kind of sizing material preparation method containing natural rubber | |
| CN111718521B (en) | Magnetic-sensitive rubber composition for rubber air spring and preparation method thereof | |
| CN102234387B (en) | Calcium sulfate whisker modified rubber and preparation process thereof | |
| CN103289143A (en) | Energy-saving tire tread rubber composition and preparation method thereof | |
| CN115322462A (en) | Chloroprene rubber compound for automobile wiper blade and preparation method and application thereof | |
| CN106589322A (en) | Modified terpene-phenolic resin, preparation method thereof, and application thereof in tread rubber of tyres | |
| CN102604159A (en) | Low-heat-generation-function auxiliary agent for rubber tread and preparation method thereof | |
| CN109161063B (en) | Bead apex rubber composition and preparation method thereof | |
| CN110922648B (en) | Engineering retreaded tire tread containing graphene oxide and preparation method | |
| CN112280121A (en) | Belt ply rubber and preparation method and application thereof | |
| CN115322454B (en) | Rubber composition for all-steel radial tire sidewall and preparation method thereof | |
| CN110204787A (en) | A method of zinc oxide is loaded in surface of graphene oxide | |
| CN114163698B (en) | High-durability low-heat-generation mining engineering tire belt rubber and preparation method thereof | |
| CN115850828A (en) | High-speed tire Tread rubber and preparation method thereof | |
| CN105566702A (en) | Agricultural tire crown compound of high filling tire reclaimed rubber | |
| CN115044109A (en) | Rubber composition, support rubber and run flat tire | |
| CN108993608B (en) | Multifunctional catalyst and method for synthesizing hydrogenated nitrile rubber by hydrogen production hydrogenation | |
| CN109504338B (en) | Polyurethane foaming heat-conducting electronic pouring sealant and preparation method thereof | |
| JP5712175B2 (en) | Rubber composition for tire and pneumatic tire | |
| CN110218363A (en) | Rubber composition for tire tread and tire | |
| CN107226939A (en) | Processing method of one inter-species with 1,2 polybutadiene blend compounds | |
| CN113185760B (en) | Functionalized nano-epoxy isoprene rubber and application thereof in aircraft tires | |
| CN109666200A (en) | A kind of tread mix and preparation method thereof of cut resistant steel radial tyre | |
| CN110498869B (en) | Preparation method of high-performance hydrogenated rubber elastomer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120725 |