CN106397858A - High-temperature resistance rubber board and preparation method thereof - Google Patents
High-temperature resistance rubber board and preparation method thereof Download PDFInfo
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- CN106397858A CN106397858A CN201610818063.7A CN201610818063A CN106397858A CN 106397858 A CN106397858 A CN 106397858A CN 201610818063 A CN201610818063 A CN 201610818063A CN 106397858 A CN106397858 A CN 106397858A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a high-temperature resistance rubber board with 100 DEG resistance for use on large-scale car and truck and preparation method thereof. The high-temperature resistance rubber board is prepared from, by weight, 10-80 parts of natural rubber, 10-80 parts of butadiene-styrene rubber, 10-30 parts of regeneration rubber, 30-80 parts of charcoal black, 0.5-3 parts of dicumyl peroxide, 0.2-1.5 parts of vulcanizing agent, 2-7.5 parts of accelerator, 2-6 parts of anti-aging agent, 3-8 parts of stabilizer, 0.1-1 part of active agent, 1-5 parts of protective paraffin, 1-3 parts of processing assistant. Through the process of rubber preparation, rubber molding and vulcanization and post treatment and the like, a large-scale car and truck use rubber board is prepared. The rubber board has the advantages of high-temperature resistance, ozone proof, good rebound resilience and low compression set, low price and the like.
Description
Technical field
The present invention relates to rubber slab, the rubber slab above suspension system on more particularly, to a kind of full-sized car or truck and
Its preparation method.
Background technology
Suspension system is one of important assembly on Hyundai Motor, and the damping noise reduction to electromotor has highly important work
With.With the development of auto industry, the driver comfort similar with dilly also increasingly pursued by heavy vehicle.Rubber slab is made
Support for suspension system and insulator, mainly play damping noise reduction effect further to electromotor.Because oversize vehicle is sent out
Motivation power is larger, and the heat that it distributes is higher, thus its periphery air themperature higher.Rubber in suspension system
Part major part is natural gum material, and it has excellent damping supporting effect, but its heat resistance is poor, in 70 DEG C × 72h
In the case of its hydraulic performance decline 25% about.With the prolongation of use time, the suspension system rubber parts near electromotor can produce
Raw aging deformation, embrittlement, until global failure, reduce the damping effect of vehicle, thus entire effect driver comfort and safety
Deng.
Because the rubber parts in suspension system needs certain mechanics load-carrying properties and excellent dynamic damping performance, its
He temporarily cannot replace material second third glue, silica gel etc..Design with suspension system is more and more compacter simultaneously, and this is just more
Require yielding rubber plate performance change in hot-air therein little, produce pressure distortion little, do not produce embrittlement etc..It is modeled to
Digitization, can be changed into breaking strength >=15MPa, elongation at break >=400%, 100 DEG C × 22h buckling≤25%, hot-air old
Change 100 DEG C × 22h performance change≤15% etc., most natural gum formula cannot accomplish this requirement at present.Therefore must develop
The natural gum rubber slab of more high temperature resistant requirement.
Content of the invention
It is an object of the invention to, a kind of high temperature resistant natural gum rubber slab, described high-temperature resistant rubber plate high-temperature behavior are provided
Requirement reaches 100 DEG C, and meets actual demand.
For reaching this purpose, the present invention employs the following technical solutions：
A kind of high-temperature resistant rubber plate is it is characterised in that be made up of the raw material of following parts by weight：
10 ~ 80 parts of natural gum；
10 ~ 80 parts of butadiene-styrene rubber；
10 ~ 30 parts of reclaimed rubber；
30 ~ 80 parts of white carbon black；
0.5 ~ 3 part of cumyl peroxide；
0.2 ~ 1.5 part of vulcanizing agent；
2 ~ 7.5 parts of accelerator；
2 ~ 6 parts of age resistor；
3 ~ 8 parts of stabilizer；
0.1 ~ 1 part of activating agent；
1 ~ 5 part of paraffin of protection；
Processing aid 1-3 part.
Described high-temperature resistant rubber plate is it is characterised in that described vulcanizing agent is selected from sulfur S-80, dithiodimorpholine
The one or two kinds of of DTDM;Described cumyl peroxide is the DCP-40 with carrier mass;Described protection paraffin is micro-
Spar wax B-10.
Described high-temperature resistant rubber plate is it is characterised in that described accelerator is selected from Vulcanization accelerator TMTD, accelerant CZ, rush
Enter two kinds of agent DM or three kinds of mixture;Described white carbon black is N-550.
Described high-temperature resistant rubber plate is it is characterised in that described age resistor is selected from antioxidant A, antioxidant MB, age resistor
4010Na a kind of or at least two mixture;Described processing aid is masticatory FS-12.
Described high-temperature resistant rubber plate is it is characterised in that described activating agent is stearic acid;Described stabilizer is zinc oxide.
Described high-temperature resistant rubber plate is it is characterised in that described stabilizer is indirect process zinc oxide.
Described high-temperature resistant rubber plate is it is characterised in that described high-temperature resistant rubber plate includes the following raw material by weight：
10 ~ 80 parts of natural gum；
10 ~ 80 parts of butadiene-styrene rubber；
10 ~ 30 parts of reclaimed rubber；
30 ~ 80 parts of white carbon black N-550；
0.5 ~ 3 part of DCP-40；
0.1 ~ 0.5 part of sulfur S-80；
0.2 ~ 0.8 part of vulcanizing agent DTDM；
0.5 ~ 1.5 part of Vulcanization accelerator TMTD；
1 ~ 3 part of altax；
1 ~ 3 part of accelerant CZ；
1 ~ 3 part of antioxidant A；
1 ~ 3 part of antioxidant 4010 Na；
3 ~ 8 parts of indirect process zinc oxide；
0.1 ~ 1 part of stearic acid；
1 ~ 5 part of microcrystalline wax B-10；
1 ~ 3 part of masticatory FS-12.
The preparation method of described high-temperature resistant rubber plate is it is characterised in that comprise the steps：
（1）Carry out dispensing by formula, then banburying, obtain mixing of rubber；
（2）Mixing of rubber is opened up refining, puts into vulcanizing equipment sulfuration, trimming obtains product.
It is characterised in that described banburying is carried out in banbury, described mixing time is 4 ~ 6 minutes to described method；
Described dump temperature is 90 ~ 105 DEG C；
Described mixing temperature is 50 ~ 75 DEG C.
Described method it is characterised in that described sulfuration is carried out in moulding press, described sulfide stress be 170 ~
190Kgf/cm2.
Described curing temperature is 160 ~ 170 DEG C；
Described cure time is 240 ~ 360 seconds.
Compared with prior art, the invention has the advantages that：
High-temperature resistant rubber plate of the present invention supports the use in the suspension system of oversize vehicle, can be high temperature resistant 100 DEG C.At 23 DEG C
Under air themperature, breaking strength >=15MPa, elongation at break >=400%.Under 100 DEG C of air themperatures, breaking strength, pull apart elongation
Rate rate of change be less than≤15%, compression set≤15%, firmness change≤± 5；
High-temperature resistant rubber plate of the present invention with the addition of peroxide cross-linking agent DCP-40, and this cross-linking agent can effectively improve natural
The resistance to elevated temperatures of glue；
High-temperature resistant rubber plate of the present invention with the addition of the compounded curing system of S-80 and DTDM, and this compounded curing system can
With with DCP-40 synergism, balance resistance to elevated temperatures requirements, mechanical property, the requirement such as dynamic property；
High-temperature resistant rubber plate of the present invention with the addition of the composite sulfuration rush of Vulcanization accelerator TMTD, altax, accelerant CZ
Enter agent system, this composite sulfuration promotion system effectively can produce to cross-linking agent and compounded curing system and promote the effect such as reaction,
Improve the resistance to elevated temperatures of elastomeric material further.
Present invention utilizes the reclaimed rubber that damaged tire desulfurization is obtained, effectively reduce material cost, improve product competitiveness.
Specific embodiment
In order to the present invention is better described, readily appreciate technical scheme, the typical case of the present invention but non-limiting
Embodiment is as follows：
Embodiment 1
A kind of high temperature resistant degree rubber slab, includes the following raw material by weight：
50 parts of natural gum；
35 parts of butadiene-styrene rubber；
15 parts of reclaimed rubber；
50 parts of white carbon black N-550；
1.5 parts of DCP-40；
0.2 part of sulfur S-80；
0.5 part of vulcanizing agent DTDM；
1.2 parts of Vulcanization accelerator TMTD；
2 parts of altax；
2.5 parts of accelerant CZ；
2 parts of antioxidant A；
2 parts of antioxidant 4010 Na；
5 parts of indirect process zinc oxide；
0.1 part of stearic acid；
2 parts of microcrystalline wax B-10；
2 parts of masticatory FS-12.
The preparation method of above-mentioned high temperature resistant natural gum rubber slab, comprises the steps：
（1）Carry out dispensing by above-mentioned formula, then put in banbury, knead 4 ~ 6 minutes, 90 ~ 105 DEG C of dumpings, 50 ~ 75 DEG C
Plasticate preforming；
（2）Preformed member is put in moulding press, skeleton is put into ad-hoc location simultaneously, sulfide stress be 170 ~
190Kgf/cm2, curing temperature be 160 ~ 170 DEG C, cure time be sulfidization molding under the conditions of 240 ~ 360 seconds, cooling, after deburring
Obtain rubber slab.
Embodiment 2
A kind of high temperature resistant degree rubber slab, includes the following raw material by weight：
70 parts of natural gum；
20 parts of butadiene-styrene rubber；
10 parts of reclaimed rubber；
50 parts of white carbon black N-550；
1.8 parts of DCP-40；
0.1 part of sulfur S-80；
1.5 parts of vulcanizing agent DTDM；
1 part of Vulcanization accelerator TMTD；
0.5 part of altax；
1 part of accelerant CZ；
2 parts of antioxidant A；
2 parts of antioxidant 4010 Na；
5 parts of indirect process zinc oxide；
0.1 part of stearic acid；
2 parts of microcrystalline wax B-10；
2 parts of masticatory FS-12.
Its preparation method is same as Example 1.
Embodiment 3：
A kind of high temperature resistant degree rubber slab, includes the following raw material by weight：
40 parts of natural gum；
40 parts of butadiene-styrene rubber；
20 parts of reclaimed rubber；
50 parts of white carbon black N-550；
1 part of DCP-40；
0.1 part of sulfur S-80；
1.2 parts of vulcanizing agent DTDM；
1.5 parts of Vulcanization accelerator TMTD；
2 parts of altax；
2.5 parts of accelerant CZ；
2 parts of antioxidant A；
2 parts of antioxidant 4010 Na；
5 parts of indirect process zinc oxide；
0.1 part of stearic acid；
2 parts of microcrystalline wax B-10；
2 parts of masticatory FS-12.
Its preparation method is same as Example 1.
Embodiment 4,
A kind of high temperature resistant degree natural gum rubber slab, includes the following raw material by weight：
50 parts of natural gum；
35 parts of butadiene-styrene rubber；
15 parts of reclaimed rubber；
50 parts of white carbon black N-550；
1.5 parts of DCP-40；
0.2 part of sulfur S-80；
0.5 part of vulcanizing agent DTDM；
1.2 parts of Vulcanization accelerator TMTD；
2 parts of altax；
2.5 parts of accelerant CZ；
2 parts of antioxidant A；
2 parts of antioxidant 4010 Na；
5 parts of indirect process zinc oxide；
0.1 part of stearic acid；
2 parts of microcrystalline wax B-10；
2 parts of masticatory FS-12,
1 part of antibacterial biological powder.
Described antibacterial biological powder is obtained by the raw material of following weight parts：
Pomelo peel 3-5, bamboo shell 1-3, tealeaf residue 1-2, citric acid 0.02-0.05, silver nitrate 0.01-0.04.
（1）After pomelo peel, bamboo shell, tealeaf residue mix, soak 1-3 in concentration is for the potassium permanganate solution of 0.1-0.4% little
Shi Hou, takes out, cleaning, drying, carries out steam explosion, and explosion water vapour pressure is 0.05-0.3Mpa, and blasting time is 1-3s,
Produce thing and again after ultraviolet irradiation 30-60min, obtain compounding powder standby after processed；Radiating ultraviolet light wavelength is 254nm, spoke
Penetrating dosage is 0.5-1kJ/m2, irradiate 1-2 minute；
（2）Citric acid adds suitable quantity of water, after being configured to the citric acid solution that concentration is 1-2%, adds compounding powder, is stirred at room temperature
After 0.5-1h, add silver nitrate, after stirring, filter, use distilled water wash filtering residue, be in neutrality to filtrate, by filtering residue plus
Enter in the sodium bicarbonate solution that concentration is 2-3%, stir 0.5-3h, filter, use distilled water wash filtering residue, be in neutrality to filtrate, filter
After slag is dried at 50-70 DEG C, obtain final product antibacterial biological powder.
The addition of antibacterial biological powder makes invention increases antibacterial action.
The preparation method of above-mentioned high temperature resistant natural gum rubber slab, comprises the steps：
（1）Carry out dispensing by above-mentioned formula, then put in banbury, knead 4 ~ 6 minutes, 90 ~ 105 DEG C of dumpings, 50 ~ 75 DEG C
Plasticate preforming；
（2）Preformed member is put in moulding press, skeleton is put into ad-hoc location simultaneously, sulfide stress be 170 ~
190Kgf/cm2, curing temperature be 160 ~ 170 DEG C, cure time be sulfidization molding under the conditions of 240 ~ 360 seconds, cooling, after deburring
Obtain rubber slab.
Claims (10)
1. a kind of high-temperature resistant rubber plate is it is characterised in that be made up of the raw material of following parts by weight：
10 ~ 80 parts of natural gum；
10 ~ 80 parts of butadiene-styrene rubber；
10 ~ 30 parts of reclaimed rubber；
30 ~ 80 parts of white carbon black；
0.5 ~ 3 part of cumyl peroxide；
0.2 ~ 1.5 part of vulcanizing agent；
2 ~ 7.5 parts of accelerator；
2 ~ 6 parts of age resistor；
3 ~ 8 parts of stabilizer；
0.1 ~ 1 part of activating agent；
1 ~ 5 part of paraffin of protection；
Processing aid 1-3 part.
2. high-temperature resistant rubber plate as claimed in claim 1 is it is characterised in that described vulcanizing agent is selected from sulfur S-80, two sulfur
Change the one or two kinds of of two morpholines DTDM;Described cumyl peroxide is the DCP-40 with carrier mass;Described anti-
Shield paraffin is microcrystalline wax B-10.
3. high-temperature resistant rubber plate as claimed in claim 1 or 2 it is characterised in that described accelerator be selected from Vulcanization accelerator TMTD,
The mixture of accelerant CZ, two kinds of altax or three kinds;Described white carbon black is N-550.
4. high-temperature resistant rubber plate as claimed in claim 1 is it is characterised in that described age resistor is selected from antioxidant A, age resistor
The mixture of MB, antioxidant 4010 Na a kind of or at least two;Described processing aid is masticatory FS-12.
5. high-temperature resistant rubber plate as claimed in claim 1 is it is characterised in that described activating agent is stearic acid;Described stabilizer
For zinc oxide.
6. high-temperature resistant rubber plate as claimed in claim 1 is it is characterised in that described stabilizer is indirect process zinc oxide.
7. the high-temperature resistant rubber plate according to one of claim 1-5 it is characterised in that described high-temperature resistant rubber plate by weight
Number includes the following raw material：
10 ~ 80 parts of natural gum；
10 ~ 80 parts of butadiene-styrene rubber；
10 ~ 30 parts of reclaimed rubber；
30 ~ 80 parts of white carbon black N-550；
0.5 ~ 3 part of DCP-40；
0.1 ~ 0.5 part of sulfur S-80；
0.2 ~ 0.8 part of vulcanizing agent DTDM；
0.5 ~ 1.5 part of Vulcanization accelerator TMTD；
1 ~ 3 part of altax；
1 ~ 3 part of accelerant CZ；
1 ~ 3 part of antioxidant A；
1 ~ 3 part of antioxidant 4010 Na；
3 ~ 8 parts of indirect process zinc oxide；
0.1 ~ 1 part of stearic acid；
1 ~ 5 part of microcrystalline wax B-10；
1 ~ 3 part of masticatory FS-12.
8. a kind of preparation method of high-temperature resistant rubber plate as claimed in claim 1 is it is characterised in that comprise the steps：
（1）Carry out dispensing by formula, then banburying, obtain mixing of rubber；
（2）Mixing of rubber is opened up refining, puts into vulcanizing equipment sulfuration, trimming obtains product.
9. it is characterised in that described banburying is carried out in banbury, described mixing time is 4 to method as claimed in claim 7
~ 6 minutes；
Described dump temperature is 90 ~ 105 DEG C；
Described mixing temperature is 50 ~ 75 DEG C.
10. method as claimed in claim 7 or 8 it is characterised in that described sulfuration is carried out in moulding press, press by described sulfuration
Power is 170 ~ 190Kgf/cm2；
Described curing temperature is 160 ~ 170 DEG C；
Described cure time is 240 ~ 360 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610818063.7A CN106397858A (en) | 2016-09-13 | 2016-09-13 | High-temperature resistance rubber board and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610818063.7A CN106397858A (en) | 2016-09-13 | 2016-09-13 | High-temperature resistance rubber board and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106397858A true CN106397858A (en) | 2017-02-15 |
Family
ID=57999797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610818063.7A Withdrawn CN106397858A (en) | 2016-09-13 | 2016-09-13 | High-temperature resistance rubber board and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106397858A (en) |
-
2016
- 2016-09-13 CN CN201610818063.7A patent/CN106397858A/en not_active Withdrawn
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Application publication date: 20170215 |