CN105482210A - High-hardness impact-resistant rubber plate and preparation method thereof - Google Patents
High-hardness impact-resistant rubber plate and preparation method thereof Download PDFInfo
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- CN105482210A CN105482210A CN201510924792.6A CN201510924792A CN105482210A CN 105482210 A CN105482210 A CN 105482210A CN 201510924792 A CN201510924792 A CN 201510924792A CN 105482210 A CN105482210 A CN 105482210A
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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
- C08L17/00—Compositions of reclaimed rubber
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- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
Abstract
The invention discloses a high-hardness impact-resistant rubber plate which is prepared from, by weight parts, 60-80 parts of reclaimed rubber, 30-40 parts of sericite powder, 15-25 parts of potassium titanate whisker, 3-5 parts of alkyd resin, 2-4 parts of phenolic resin, 4-6 parts of rosin, 1-2 parts of cellulose acetate butyrate, 1-2 parts of sulfur, 2-4 parts of butyl acrylate, 0.1-0.2 part of potassium persulfate, 1-2 parts of polyoxyethylene rosin ester, 0.1-0.2 part of sodium dodecyl sulfate, 1-2 parts of zinc stearate and 5-10 parts of compound additive. The rubber plate is good in mechanical property and usability, high in hardness and impact resistance, good in damping effect and wide in applied range.
Description
Technical field
The present invention relates to regenerated rubber technical field, particularly relate to a kind of high rigidity impact resilience rubber plate and preparation method thereof.
Background technology
Along with expanding economy, the demand of rubber is also being promoted.Meanwhile, the process of waste old also becomes one of serious problems that people face.The degradation property of rubber is poor, over a long time can not natural degradation, and a large amount of waste olds not only causes potential threat to physical environment, wastes resource.One of main path of waste old comprehensive utilization again processes waste old, makes it be converted into regenerated rubber, thus make the best use of everything, realize recycling economy development.Regenerated rubber can replace rubber on the one hand, alleviates the serious scarcity of natural rubber; Decrease potential pollution on the other hand, be conducive to environmental protection.
The subject matter that current regenerated rubber exists is exactly that its mechanical property indices declines, and poor processability, only can be applied to low grade products, and its use properties and value added are not high, limits its use in medium and high-grade goods.Therefore, improve over-all properties and the value added of reclaimed rubber products, widen the important development direction that its range of application is current reclaimed rubber products.There is high rigidity, the rubber plate of high impact properties is suitable for building field and traffic and transport field, have wide range of applications, there is the higher market requirement.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of high rigidity impact resilience rubber plate and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of high rigidity impact resilience rubber plate, it is obtained by the raw material of following weight parts:
Regenerated rubber 60-80, sericite in powder 30-40, potassium titanate crystal whisker 15-25, Synolac 3-5, resol 2-4, rosin 4-6, cellulose acetate butyrate 1-2, sulphur 1-2, butyl acrylate 2-4, Potassium Persulphate 0.1-0.2, polyoxylethylene abietate 1-2, sodium lauryl sulphate 0.1-0.2, Zinic stearas 1-2, composite assistant 5-10;
Wherein composite assistant is made up of the raw material of following weight part: tea-seed oil 30-40, turps 3-5, glycerol 1-2, tributyl acetylcitrate 10-15, phytic acid 0.5-1,1-2, nano titanium oxide 1-2; The preparation method of composite assistant be by after glycerol, phytic acid, mixing 80-90 DEG C stir 0.5-1h, then mix with all the other raw materials, 50-60 DEG C, 1000-1500r/min stirs 1-2h, after cooling and get final product.
A preparation method for high rigidity impact resilience rubber plate, comprises the following steps:
(1) mix pressing solid-liquid weight ratio 1:4-1:5 after sericite in powder and potassium titanate crystal whisker mixing with water, add butyl acrylate and sodium lauryl sulphate 90-95 DEG C again, 1000-1500r/min stirs 5-10min, then instill rapidly the rosin of melting and stir 10-15min under similarity condition, finally add Potassium Persulphate 70-80 DEG C of reaction 4-6h, cooled and filtered, be ground to 100-200 order after 100-120 DEG C of drying completely, obtain modified powder;
(2) after regenerated rubber, resol, Synolac being mixed with composite assistant, 80-100 DEG C mixes 0.5-1h, then adds Zinic stearas and polyoxylethylene abietate 50-60 DEG C of stirring 1-2h, obtains rubber stock;
(3) modified powder in (1) is added in reactor jointly with the rubber stock in (2) mix 10-15min prior to 100-120 DEG C, then all the other raw materials are added in 60-100 DEG C of mixing 0.5-1h, finally extrude with twin screw extruder 200-240 DEG C and obtain reclaimed rubber composite material, after Mould Machining is shaping, namely obtain high rigidity impact resilience rubber plate.
Advantage of the present invention is:
Containing abundant activeconstituents in tea-seed oil, comprise tea-polyphenol, sterol, squalene etc., auxiliary softening effect can be played, tea-seed oil has stronger perviousness simultaneously, can penetrate in the space of rubber molecular chain rapidly and equably, increase rubber molecule spacing, contribute to flexibility and the mobility of improving sizing material, improve the processing characteristics of regenerated rubber.
The present invention is composite with tea-seed oil, turps and tributyl acetylcitrate, be aided with phytic acid, nano titanium oxide isoreactivity composition obtains composite assistant, the plasticity-of sizing material, mobility, tackiness can be increased, effectively improve weathering resistance and the processing characteristics of regenerated rubber; Rosin and butyl acrylate active group is introduced to sericite in powder and potassium titanate crystal whisker mixed powder surface by emulsion copolymerization reaction, can interact with rubber molecular chain group, effectively improve the consistency of powder and sizing material, powder is uniformly dispersed in sizing material, improves the mechanical property of sizing material; Utilize the composite of each raw material and synergy, make the rubber plate obtained have good mechanical property and use properties, hardness is high, and shock resistance is strong, and good damping effect, has wide range of applications.
Embodiment
A kind of high rigidity impact resilience rubber plate, it is obtained by the raw material of following weight parts:
Regenerated rubber 60, sericite in powder 30, potassium titanate crystal whisker 15, Synolac 3, resol 2, rosin 4, cellulose acetate butyrate 1, sulphur 1, butyl acrylate 2, Potassium Persulphate 0.1, polyoxylethylene abietate 1, sodium lauryl sulphate 0.1, Zinic stearas 1, composite assistant 5;
Wherein composite assistant is made up of the raw material of following weight part: tea-seed oil 30, turps 3, glycerol 1, tributyl acetylcitrate 10, phytic acid 0.5,1, nano titanium oxide 1; Glycerol, phytic acid, latter 80 DEG C of mixing are stirred 0.5h by the preparation method of composite assistant, then mix with all the other raw materials, 50 DEG C, 1000r/min stirs 1h, after cooling and get final product.
A preparation method for high rigidity impact resilience rubber plate, comprises the following steps:
(1) mix pressing solid-liquid weight ratio 1:4 after sericite in powder and potassium titanate crystal whisker mixing with water, add butyl acrylate again and sodium lauryl sulphate 90 DEG C, 1000r/min stir 5min, then instill rapidly the rosin of melting and stir 10min under similarity condition, finally add Potassium Persulphate 70 DEG C reaction 4h, cooled and filtered, be ground to 100 orders after 100 DEG C of dryings completely, obtain modified powder;
(2) regenerated rubber, resol, Synolac are mixed latter 80 DEG C with composite assistant and mix 0.5h, then add Zinic stearas and polyoxylethylene abietate 50 DEG C stirring 1h, obtain rubber stock;
(3) modified powder in (1) is added in reactor jointly with the rubber stock in (2) mix 10min prior to 100 DEG C, then all the other raw materials are added in 60 DEG C of mixing 0.5h, extrude with twin screw extruder 200 DEG C and obtain reclaimed rubber composite material, after Mould Machining is shaping, namely obtain high rigidity impact resilience rubber plate.
Carry out performance test to above-mentioned obtained rubber plate, result is as follows:
| Interventions Requested | Unit | Detected result |
| Shore hardness | Degree | 82 |
| Tensile strength | MPa | 15.5 |
| Elongation at break | ％ | 330 |
Claims (2)
1. a high rigidity impact resilience rubber plate, is characterized in that, it is obtained by the raw material of following weight parts:
Regenerated rubber 60-80, sericite in powder 30-40, potassium titanate crystal whisker 15-25, Synolac 3-5, resol 2-4, rosin 4-6, cellulose acetate butyrate 1-2, sulphur 1-2, butyl acrylate 2-4, Potassium Persulphate 0.1-0.2, polyoxylethylene abietate 1-2, sodium lauryl sulphate 0.1-0.2, Zinic stearas 1-2, composite assistant 5-10;
Described composite assistant is made up of the raw material of following weight part: tea-seed oil 30-40, turps 3-5, glycerol 1-2, tributyl acetylcitrate 10-15, phytic acid 0.5-1,1-2, nano titanium oxide 1-2; The preparation method of composite assistant be by after glycerol, phytic acid, mixing 80-90 DEG C stir 0.5-1h, then mix with all the other raw materials, 50-60 DEG C, 1000-1500r/min stirs 1-2h, after cooling and get final product.
2. the preparation method of a kind of high rigidity impact resilience rubber plate according to claim 1, is characterized in that, comprise the following steps:
(1) mix pressing solid-liquid weight ratio 1:4-1:5 after sericite in powder and potassium titanate crystal whisker mixing with water, add butyl acrylate and sodium lauryl sulphate 90-95 DEG C again, 1000-1500r/min stirs 5-10min, then instill rapidly the rosin of melting and stir 10-15min under similarity condition, finally add Potassium Persulphate 70-80 DEG C of reaction 4-6h, cooled and filtered, be ground to 100-200 order after 100-120 DEG C of drying completely, obtain modified powder;
(2) after regenerated rubber, resol, Synolac being mixed with composite assistant, 80-100 DEG C mixes 0.5-1h, then adds Zinic stearas and polyoxylethylene abietate 50-60 DEG C of stirring 1-2h, obtains rubber stock;
(3) modified powder in (1) is added in reactor jointly with the rubber stock in (2) mix 10-15min prior to 100-120 DEG C, then all the other raw materials are added in 60-100 DEG C of mixing 0.5-1h, finally extrude with twin screw extruder 200-240 DEG C and obtain reclaimed rubber composite material, after Mould Machining is shaping, namely obtain high rigidity impact resilience rubber plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510924792.6A CN105482210A (en) | 2015-12-09 | 2015-12-09 | High-hardness impact-resistant rubber plate and preparation method thereof |
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| CN201510924792.6A CN105482210A (en) | 2015-12-09 | 2015-12-09 | High-hardness impact-resistant rubber plate and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105924711A (en) * | 2016-06-02 | 2016-09-07 | 合肥中澜新材料科技有限公司 | Flame-retardant rubber composite and method of preparation for same |
| CN106167562A (en) * | 2016-07-13 | 2016-11-30 | 安徽奥丰汽车配件有限公司 | A kind of automotive vibration isolation block rubber and preparation method thereof |
| CN106674780A (en) * | 2016-11-16 | 2017-05-17 | 宁波米诺机床有限公司 | Workbench for processing center |
-
2015
- 2015-12-09 CN CN201510924792.6A patent/CN105482210A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105924711A (en) * | 2016-06-02 | 2016-09-07 | 合肥中澜新材料科技有限公司 | Flame-retardant rubber composite and method of preparation for same |
| CN106167562A (en) * | 2016-07-13 | 2016-11-30 | 安徽奥丰汽车配件有限公司 | A kind of automotive vibration isolation block rubber and preparation method thereof |
| CN106674780A (en) * | 2016-11-16 | 2017-05-17 | 宁波米诺机床有限公司 | Workbench for processing center |
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Application publication date: 20160413 |
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