CN109627511A - A kind of low temperature resistant solid tyre - Google Patents
A kind of low temperature resistant solid tyre Download PDFInfo
- Publication number
- CN109627511A CN109627511A CN201811637809.XA CN201811637809A CN109627511A CN 109627511 A CN109627511 A CN 109627511A CN 201811637809 A CN201811637809 A CN 201811637809A CN 109627511 A CN109627511 A CN 109627511A
- Authority
- CN
- China
- Prior art keywords
- parts
- rubber
- dumping
- calendering process
- low temperature
- 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
- 239000007787 solid Substances 0.000 title claims abstract description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000006229 carbon black Substances 0.000 claims abstract description 21
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 10
- 244000043261 Hevea brasiliensis Species 0.000 claims abstract description 8
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229920003052 natural elastomer Polymers 0.000 claims abstract description 8
- 229920001194 natural rubber Polymers 0.000 claims abstract description 8
- 239000004014 plasticizer Substances 0.000 claims abstract description 8
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000005864 Sulphur Substances 0.000 claims abstract description 7
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 7
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000008117 stearic acid Substances 0.000 claims abstract description 7
- 239000011787 zinc oxide Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 53
- 229920001971 elastomer Polymers 0.000 claims description 38
- 239000005060 rubber Substances 0.000 claims description 38
- 238000003490 calendering Methods 0.000 claims description 29
- 229910052716 thallium Inorganic materials 0.000 claims description 24
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 claims description 24
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 20
- 238000003723 Smelting Methods 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 18
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 239000000654 additive Substances 0.000 claims description 7
- 230000000996 additive effect Effects 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000004073 vulcanization Methods 0.000 description 4
- 230000009477 glass transition Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 ethylhexyl Chemical group 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
Landscapes
- 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 discloses a kind of low temperature resistant solid tyre, are related to tire art.Including natural rubber;Solution polymerized butadiene styrene rubber;White carbon black;Zinc oxide;Stearic acid;Anti-aging agent 6PPD;Anti-aging agent TMQ;Sulphur and promotor;Cold resistant plasticizer etc..The effect that do not damage can be worked normally for a long time at low ambient temperatures by realizing tire.
Description
Technical field
The present invention relates to tire arts, and in particular to a kind of low temperature resistant solid tyre.
Background technique
The minimum use temperature of natural rubber (polyisoprene) is -50 DEG C or so, and synthetic rubber (polybutadiene) is minimum to be made
It is -60 DEG C or so with temperature, the minimum use temperature of synthetic rubber (styrene butadiene-butylbenzene copolymer) is -50 DEG C or so;
The above rubber is the main rubber clone for manufacturing solid tyre, for Special use environment, such as freezer fork truck tire,
It is required that being for a long time to be used and tire will not damage in -50 to -60 DEG C in temperature, general formula design is difficult to reach this requirement;
Meet customer need, the low temperature resistant formula for needing to research and develop, with guarantee at a temperature of work long hours, tyre performance will not under
Drop, reaches low-temperature working environmental requirement.
Summary of the invention
The object of the present invention is to provide a kind of low temperature resistant solid tyre, and solving conventional formulation can not be in -50 ~ -60 DEG C of temperature
It can not long-term normal use the problem of not damaging in range.
To solve the above problems, the invention discloses a kind of low temperature resistant solid tyre, including following component:
60 parts of natural rubber;
20-40 parts of solution polymerized butadiene styrene rubber;
50-60 parts of white carbon black;
4 parts of zinc oxide;
2 parts of stearic acid;
2.5 parts of anti-aging agent 6PPD;
2 parts of anti-aging agent TMQ;
Sulphur and 4.5 parts of promotor;
2-5 parts of cold resistant plasticizer;
Other 5.8 parts.
Further, wherein the cold resistant plasticizer is di 2 ethylhexyl sel.The solution polymerized butadiene styrene rubber choosing
For SSBR1204;White carbon black is selected from the VN3 silica of precipitation method production;
The invention also discloses the calendering process of the low temperature resistant solid tyre, include the following steps:
One section of calendering process: closed-smelting machine rotor revolving speed 40-50r.min-1, calendering process are as follows: and raw rubber plasticates → and small powder → about 1/2 is white
Carbon black → acid additive → 1/2 white carbon black of remainder → floating weight cleaning → dumping;
Two sections of rubber master batch techniques: closed-smelting machine rotor revolving speed 40-50r.min-1, calendering process are as follows: one section of rubber master batch → part small powder → pressure
Press thallium → pressure-raising thallium → dumping;
Three sections of whole adhesive process: closed-smelting machine rotor revolving speed 18-20r.min-1, calendering process are as follows: two sections of rubber master batch → small powders → pressure presses thallium
→ pressure-raising thallium → dumping.
Further, wherein when one section of calendering process dumping temperature control be not higher than 145 DEG C;Two sections of rubber master batch works
Temperature control is not higher than 140 DEG C when skill dumping;Temperature control is not higher than 105 DEG C when described three sections whole adhesive process dumpings.
The beneficial effects of the present invention are:
By the selection of rubber types and the selection of additive, traditional rubber tyre is improved, and by specific mixed
Sweetening process, realize improved tire material can for a long time in -50 ~ -60 DEG C of environment use without damage, meet freezer
The requirement of equal low temperature environments low temperature tire.
Detailed description of the invention
The glass transition temperature that Fig. 1 embodiment three is formulated.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment one:
Accurately weigh 60 parts of natural rubber;20 parts of solution polymerized butadiene styrene rubber;50 parts of white carbon black;4 parts of zinc oxide;2 parts of stearic acid;It is anti-
Old agent 6PPD2.5 parts;TMQ2 parts of anti-aging agent;Sulphur and 4.5 parts of promotor;2 parts of cold resistant plasticizer;Other 5.8 parts.
It is handled by following technique
One section of calendering process: closed-smelting machine rotor revolving speed 40-50r.min-1, calendering process are as follows: and raw rubber plasticates → and small powder → about 1/2 is white
Carbon black → acid additive → 1/2 white carbon black of remainder → floating weight cleaning → dumping;
Two sections of rubber master batch techniques: closed-smelting machine rotor revolving speed 40-50r.min-1, calendering process are as follows: one section of rubber master batch → part small powder → pressure
Press thallium → pressure-raising thallium → dumping;
Three sections of whole adhesive process: closed-smelting machine rotor revolving speed 18-20r.min-1, calendering process are as follows: two sections of rubber master batch → small powders → pressure presses thallium
→ pressure-raising thallium → dumping.
Rubber compound vulcanizes on vulcanizing press after processing, 151 DEG C × 30min of conditions of vulcanization.
Embodiment two:
Accurately weigh 60 parts of natural rubber;30 parts of solution polymerized butadiene styrene rubber;50 parts of white carbon black;4 parts of zinc oxide;2 parts of stearic acid;It is anti-
Old agent 6PPD2.5 parts;TMQ2 parts of anti-aging agent;Sulphur and 4.5 parts of promotor;4 parts of cold resistant plasticizer;Other 5.8 parts.
It is handled by following technique
One section of calendering process: closed-smelting machine rotor revolving speed 40-50r.min-1, calendering process are as follows: and raw rubber plasticates → and small powder → about 1/2 is white
Carbon black → acid additive → 1/2 white carbon black of remainder → floating weight cleaning → dumping;
Two sections of rubber master batch techniques: closed-smelting machine rotor revolving speed 40-50r.min-1, calendering process are as follows: one section of rubber master batch → part small powder → pressure
Press thallium → pressure-raising thallium → dumping;
Three sections of whole adhesive process: closed-smelting machine rotor revolving speed 18-20r.min-1, calendering process are as follows: two sections of rubber master batch → small powders → pressure presses thallium
→ pressure-raising thallium → dumping.
Rubber compound vulcanizes on vulcanizing press after processing, 151 DEG C × 30min of conditions of vulcanization.
Embodiment three:
Accurately weigh 60 parts of natural rubber;40 parts of solution polymerized butadiene styrene rubber;50 parts of white carbon black;4 parts of zinc oxide;2 parts of stearic acid;It is anti-
Old agent 6PPD2.5 parts;TMQ2 parts of anti-aging agent;Sulphur and 4.5 parts of promotor;5 parts of cold resistant plasticizer;Other 5.8 parts.
It is handled by following technique
One section of calendering process: closed-smelting machine rotor revolving speed 40-50r.min-1, calendering process are as follows: and raw rubber plasticates → and small powder → about 1/2 is white
Carbon black → acid additive → 1/2 white carbon black of remainder → floating weight cleaning → dumping;
Two sections of rubber master batch techniques: closed-smelting machine rotor revolving speed 40-50r.min-1, calendering process are as follows: one section of rubber master batch → part small powder → pressure
Press thallium → pressure-raising thallium → dumping;
Three sections of whole adhesive process: closed-smelting machine rotor revolving speed 18-20r.min-1, calendering process are as follows: two sections of rubber master batch → small powders → pressure presses thallium
→ pressure-raising thallium → dumping.
Rubber compound vulcanizes on vulcanizing press after processing, 151 DEG C × 30min of conditions of vulcanization.
Comparative example one:
Weigh 60 parts of natural rubber;40 parts of SBR of emulsion polymerization;50 parts of white carbon black;4 parts of zinc oxide;2 parts of stearic acid;It is anti-
Old agent 6PPD2.5 parts;TMQ2 parts of anti-aging agent;Sulphur and 4.5 parts of promotor;Other 5.8 parts.
It is handled by following technique
One section of calendering process: closed-smelting machine rotor revolving speed 40-50r.min-1, calendering process are as follows: and raw rubber plasticates → and small powder → about 1/2 is white
Carbon black → acid additive → 1/2 white carbon black of remainder → floating weight cleaning → dumping;
Two sections of rubber master batch techniques: closed-smelting machine rotor revolving speed 40-50r.min-1, calendering process are as follows: one section of rubber master batch → part small powder → pressure
Press thallium → pressure-raising thallium → dumping;
Three sections of whole adhesive process: closed-smelting machine rotor revolving speed 18-20r.min-1, calendering process are as follows: two sections of rubber master batch → small powders → pressure presses thallium
→ pressure-raising thallium → dumping.
Rubber compound vulcanizes on vulcanizing press after processing, 151 DEG C × 30min of conditions of vulcanization.
Above-mentioned mixing process all uses 8 rib rotor mixer of GK420 type, Thyssen Krupp product.
Performance detection is carried out by following equipment:
T2000 type electronic tensile machine, Instron Corporation, U.S. product;
MDR2000E type vulcameter, Alpha Technologies Corp. Ltd., U.S. product;
GT-7080-S2 Mooney viscosity tester for rubber, Taiwan high-speed rail Science and Technology Co., Ltd. product;
Near infrared spectrometer, U.S.'s Unity Products;
Rubber product glass transition temperature tester;Black brittleness detector.
Rubber compound physical mechanical property detects (being tested according to GB 10824-2008-T): tensile strength pulls apart elongation
Physical data after rate, stretching strength, tearing strength, aging, is detailed in following table;
Comparative result is surveyed by the knot of comparative example and above-described embodiment, it can be, it is evident that technical solution energy disclosed by the invention
It is enough to be substantially better than in the performance parameters such as physical data after tensile strength, elongation at break, stretching strength, tearing strength, aging
The commercially available common kind of comparative example one.
Rubber compound physical property: tensile strength, elongation at break, Akron mill be can be seen that from three physical data table of embodiment
Consumption, hardness, aged properties data reach and much higher than national regulations values;
The glass transition temperature and black brittleness detection data of embodiment three: it will be seen from figure 1 that the vitrifying of test recipe
Transition temperature reaches -68.7 DEG C;The black brittleness temperature for detecting embodiment three simultaneously reaches -67 DEG C.
Tire is also demonstrated in curstomer's site practical application and is worked long hours at this temperature, and tyre performance will not decline,
Reach low-temperature working environmental requirement.Trial-production tire, which is formulated, using this is sent to OE client's entrucking field test such as BYD, casual labourer, it is practical
Verifying using effect can satisfy to be used in -70 DEG C of environment for a long time, meets customer requirement.
Claims (5)
1. a kind of low temperature resistant solid tyre, it is characterised in that including following component:
60 parts of natural rubber;
20-40 parts of solution polymerized butadiene styrene rubber;
50-60 parts of white carbon black;
4 parts of zinc oxide;
2 parts of stearic acid;
2.5 parts of anti-aging agent 6PPD;
2 parts of anti-aging agent TMQ;
Sulphur and 4.5 parts of promotor;
2-5 parts of cold resistant plasticizer;
Other 5.8 parts.
2. a kind of low temperature resistant solid tyre according to claim 1, it is characterised in that: the cold resistant plasticizer is double -2-
Ethylhexyl sebacate.
3. a kind of low temperature resistant solid tyre according to claim 1, it is characterised in that: the solution polymerized butadiene styrene rubber is selected as
SSBR1204;White carbon black is selected from the VN3 silica of precipitation method production.
4. the calendering process of low temperature resistant solid tyre according to claim 1, it is characterised in that include the following steps:
One section of calendering process: closed-smelting machine rotor revolving speed 40-50r.min-1, calendering process are as follows: and raw rubber plasticates → and small powder → about 1/2 is white
Carbon black → acid additive → 1/2 white carbon black of remainder → floating weight cleaning → dumping;
Two sections of rubber master batch techniques: closed-smelting machine rotor revolving speed 40-50r.min-1, calendering process are as follows: one section of rubber master batch → part small powder → pressure
Press thallium → pressure-raising thallium → dumping;
Three sections of whole adhesive process: closed-smelting machine rotor revolving speed 18-20r.min-1, calendering process are as follows: two sections of rubber master batch → small powders → pressure presses thallium
→ pressure-raising thallium → dumping.
5. the calendering process of low temperature resistant solid tyre according to claim 4, it is characterised in that: one section of calendering process
Temperature control is not higher than 145 DEG C when dumping;Temperature control is not higher than 140 DEG C when two sections of rubber master batch technique dumping;Described three sections
Temperature control is not higher than 105 DEG C when whole adhesive process dumping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811637809.XA CN109627511A (en) | 2018-12-29 | 2018-12-29 | A kind of low temperature resistant solid tyre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811637809.XA CN109627511A (en) | 2018-12-29 | 2018-12-29 | A kind of low temperature resistant solid tyre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109627511A true CN109627511A (en) | 2019-04-16 |
Family
ID=66054994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811637809.XA Pending CN109627511A (en) | 2018-12-29 | 2018-12-29 | A kind of low temperature resistant solid tyre |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109627511A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111333931A (en) * | 2020-03-05 | 2020-06-26 | 山东阳谷华泰化工股份有限公司 | High-performance environment-friendly tire tread rubber material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008121139A1 (en) * | 2007-03-29 | 2008-10-09 | Societe De Technologie Michelin | Tire tread with resin |
| CN105086005A (en) * | 2015-07-23 | 2015-11-25 | 杭州朝阳橡胶有限公司 | Tread formula for all-steel load-carrying snow tires of automobiles and preparation method therefor |
| CN106750585A (en) * | 2016-11-23 | 2017-05-31 | 安徽美腾特种电缆材料有限公司 | A kind of rubber pad for rail plate and preparation method thereof |
-
2018
- 2018-12-29 CN CN201811637809.XA patent/CN109627511A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008121139A1 (en) * | 2007-03-29 | 2008-10-09 | Societe De Technologie Michelin | Tire tread with resin |
| CN105086005A (en) * | 2015-07-23 | 2015-11-25 | 杭州朝阳橡胶有限公司 | Tread formula for all-steel load-carrying snow tires of automobiles and preparation method therefor |
| CN106750585A (en) * | 2016-11-23 | 2017-05-31 | 安徽美腾特种电缆材料有限公司 | A kind of rubber pad for rail plate and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111333931A (en) * | 2020-03-05 | 2020-06-26 | 山东阳谷华泰化工股份有限公司 | High-performance environment-friendly tire tread rubber material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102432950B (en) | Method for preparing cooling water pipe rubber material for automobile | |
| CN103435858B (en) | Tyre inner liner rubber and preparation method thereof | |
| CN102604238B (en) | Preparation method for high-temperature-resistant rubber material of automobile radiating pipeline | |
| CN103113641A (en) | Low-hardness high-fatigue-drawing-resistance flame-retardant steel wire rope core conveyer belt core rubber and preparation method thereof | |
| CN103497383A (en) | High-strength, tear-resisting and antiflaming sheath rubber for cable and preparation method thereof | |
| US20050145312A1 (en) | Tire component, and tire with such component, of rubber composition which contains combination of soybean oil and starch/plasticizer composite | |
| CN102875905A (en) | Low-pressure-variation ethylene-propylene rubber mixed compound and mixing method | |
| CN111534105A (en) | Anti-aging silicone rubber sealing material for high-speed rail sealing element and preparation method thereof | |
| CN109749126B (en) | Application of bio-based renewable fatty acid esters as plasticizers for tread rubber | |
| CN103483706B (en) | A kind of halogenated butyl rubber air retaining wall rubber and calendering process thereof | |
| CN109627511A (en) | A kind of low temperature resistant solid tyre | |
| CN104403188A (en) | High-temperature resistant AEM oil seal sizing material and preparation method thereof | |
| CN105377975B (en) | Rubber composition and its sulfidization molding body | |
| CN110157055B (en) | Sidewall rubber of aircraft tire | |
| CN106188659A (en) | A kind of heat-resisting natural rubber and preparation method thereof | |
| CN109456517A (en) | A kind of solid tread glue formula of mining top load transporting supports vehicle and preparation process | |
| CN118126421A (en) | Rubber composition and preparation method and application thereof | |
| CN106751055A (en) | A kind of high temperature resistant anti-aging rubber and its application | |
| CN109749139B (en) | Rubber composition for engineering tire tread and application | |
| CN102585344A (en) | Black 125 DEG irradiation crosslinking low-smoke zero-halogen antiflaming polyolefin cable sheath material and preparation method thereof | |
| CN117070006A (en) | Low-temperature-resistant crystallization-resistant butadiene rubber composition, preparation method thereof and rubber sealing product | |
| CN103059363A (en) | Special type chloroprene rubber | |
| US2744099A (en) | Rubbery interpolymers of a butadiene-1, 3 hydrocarbon, an alkyl acrylate and a styrene hydrocarbon | |
| CN106589498B (en) | A kind of EPDM and SBR be total to roller modification sealing material and preparation method thereof | |
| CN112679813A (en) | Conveyer belt covering rubber and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190416 |
|
| RJ01 | Rejection of invention patent application after publication |