CN111607138A - Chloroprene rubber compound plasticized by biomass cardanol and preparation process thereof - Google Patents
Chloroprene rubber compound plasticized by biomass cardanol and preparation process thereof Download PDFInfo
- Publication number
- CN111607138A CN111607138A CN202010628082.XA CN202010628082A CN111607138A CN 111607138 A CN111607138 A CN 111607138A CN 202010628082 A CN202010628082 A CN 202010628082A CN 111607138 A CN111607138 A CN 111607138A
- Authority
- CN
- China
- Prior art keywords
- parts
- cardanol
- rubber
- biomass
- aging agent
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L11/00—Compositions of homopolymers or copolymers of chloroprene
-
- 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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
-
- 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
-
- 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
-
- 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
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 chloroprene rubber compound plasticized by biomass cardanol and a preparation process thereof, belonging to the field of preparation of chloroprene rubber, and comprising the following raw material components in parts by weight: 100 parts of neoprene, 4-10 parts of magnesium oxide, 5-10 parts of zinc oxide, 2-5 parts of stearic acid, 2-8 parts of naphthenic oil, 1-3 parts of anti-aging agent, 65-85 parts of carbon black, 1-3 parts of accelerator and 2-8 parts of cardanol acetate. The invention can shorten the vulcanization time of the rubber material, improve the production efficiency and obviously improve various physical properties of the rubber material.
Description
Technical Field
The invention relates to the field of preparation of chloroprene rubber, and particularly relates to a chloroprene rubber compound plasticized by biomass cardanol and a preparation process thereof.
Background
The chloroprene rubber is a synthetic rubber, and the molecular chain of the chloroprene rubber contains polar chlorine atom groups, so that double bonds are protected to weaken the activity of the chloroprene rubber, and a polymer has great stability to non-polar substances, so that the chloroprene rubber has better light resistance, heat resistance, aging resistance and other properties than natural rubber, and particularly has more outstanding ozone aging resistance and weather resistance.
At present, chloroprene rubber is widely applied to production and manufacture of special adhesive tapes for agricultural machinery, and comprises industrial belts such as hexagonal belts and narrow V-belts, rubber tracks such as engineering machinery tracks and agricultural machinery tracks, and various cutting V-belts. In actual use, the chloroprene rubber may have poor flexibility, so that related products of the chloroprene rubber are broken during use. Moreover, the chloroprene rubber has long vulcanization time in the production process, so that the production time is long and the production efficiency is low.
Disclosure of Invention
The invention aims to provide a chloroprene rubber compound plasticized by biomass cardanol and a preparation process thereof, which can shorten the vulcanization time of rubber material, improve the production efficiency and obviously improve various physical properties of the rubber material.
The technical purpose of the invention is realized by the following technical scheme:
the chloroprene rubber compound plasticized by the biomass cardanol comprises the following raw material components in parts by weight: 80-200 parts of neoprene, 4-10 parts of magnesium oxide, 5-10 parts of zinc oxide, 2-5 parts of stearic acid, 2-8 parts of naphthenic oil, 1-3 parts of anti-aging agent, 65-85 parts of carbon black, 1-3 parts of accelerator and 2-8 parts of cardanol acetate.
Furthermore, 3-5 parts of carboxyl-terminated liquid natural rubber can be added into the raw material components.
Further, the zinc oxide is one of high-activity zinc oxide 801 and high-activity zinc oxide 805.
Furthermore, the cardanol acetate is prepared from plant cashew nut shell oil as a raw material.
Further, the anti-aging agent is one or a mixture of more of anti-aging agent 4010NA, anti-aging agent ODA, anti-aging agent RD and anti-aging agent AW.
Further, the preparation method of the chloroprene mixed rubber comprises the following steps:
step S1: putting 100 parts of neoprene into an oven, baking for 1-1.5h, setting the temperature of the oven to be 50-60 ℃, and pressing into sheets by using an open mill for later use;
step S2: setting the initial temperature of an internal mixer to be 55-60 ℃, setting the rotating speed to be 55-60r/min, adding the chloroprene rubber processed in the step S1 when the temperature of the internal mixer reaches the preset temperature, sequentially adding 4-10 parts of magnesium oxide, 5-10 parts of zinc oxide, 2-5 parts of stearic acid, 2-8 parts of naphthenic oil, 1-3 parts of anti-aging agent, 65-85 parts of carbon black, 1-3 parts of accelerator, 2-8 parts of cardanol acetate and 0-5 parts of carboxyl-terminated liquid natural rubber after 2min, and discharging rubber at the temperature of 100-120 ℃;
step S3: adding the rubber processed in the step S2 into an open mill, setting the initial temperature of the open mill to be 40-50 ℃, the rotating speed to be 40-50r/min and the roll spacing to be 1-1.5mm, after the rubber is wrapped on a roll, carrying out thin-passing and beating for 5-6 times of triangular bags at the roll spacing of 0.2-0.3mm by a left cutter and a right cutter for 3-5 times, and discharging air at the roll spacing of 1.5-2 mm.
Step S4: and vulcanizing the rubber material processed in the step S3 to obtain a vulcanized rubber material.
Further, the carbon black of step S2 was added in two portions on average, and the time interval between the two additions was 0.5 min.
Further, the conditions of the vulcanization in the step S4 are 140 ℃ and 150 ℃, and 8-10 MPa.
In conclusion, the invention has the following beneficial effects:
1. the cardanol-based acetate is added into the components, the cardanol-based acetate belongs to a natural plasticizer, cardanol serving as a raw material is derived from plant cashew nut shell oil, the cardanol-based plasticizer has the characteristics of biodegradability, no toxicity, renewable raw materials and the like, and the physical and mechanical properties of the rubber can be improved.
2. The carboxyl-terminated liquid natural rubber is added into the components, belongs to a reactive plasticizer, and active groups at two ends of the carboxyl-terminated liquid natural rubber can accelerate the reaction rate of the rubber material in the vulcanization process and can improve the performances of the chloroprene mixed rubber such as aging resistance and the like.
Detailed Description
Example 1:
the chloroprene rubber compound plasticized by the biomass cardanol comprises the following raw material components in parts by weight: 100 parts of neoprene, 5 parts of magnesium oxide, 5 parts of zinc oxide, 2 parts of stearic acid, 6 parts of naphthenic oil, 2 parts of an anti-aging agent, 70 parts of carbon black, 2 parts of an accelerator and 2 parts of cardanol acetate.
Wherein the zinc oxide is high-activity zinc oxide 801, the cardanol-based acetate is prepared from plant cashew nut shell oil as a raw material, and the anti-aging agent is a mixture of anti-aging agent 4010NA and anti-aging agent RD according to a weight ratio of 1: 1.
The embodiment also discloses a preparation process of the chloroprene rubber compound plasticized by the biomass cardanol, which comprises the following steps:
step S1: putting 100 parts of neoprene into an oven to be dried for 1 hour, setting the temperature of the oven to be 60 ℃, and pressing the neoprene into sheets by using an open mill for later use;
step S2: setting the initial temperature of an internal mixer to be 60 ℃, setting the rotating speed to be 60r/min, adding the chloroprene rubber processed in the step S1 when the temperature of the internal mixer reaches the preset temperature, sequentially adding 5 parts of magnesium oxide, 5 parts of zinc oxide, 2 parts of stearic acid, 6 parts of naphthenic oil, 2 parts of an anti-aging agent, 2 parts of an accelerator, 35 parts of carbon black, 2 parts of cardanol acetate and 0 part of carboxyl-terminated liquid natural rubber after 2min, adding another 35 parts of carbon black after 4min, discharging rubber at the temperature of 100 ℃,
step S3: adding the rubber processed in the step S2 into an open mill, setting the initial temperature of the open mill to be 50 ℃, the rotating speed to be 50r/min and the roll spacing to be 1mm, wrapping the rubber on a roll, uniformly mixing, carrying out thin passing on the rubber for 5 times with a left cutter and a right cutter for 5 times at the roll spacing of 0.2mm, and discharging the rubber at the roll spacing of 2 mm.
Step S4: and (5) vulcanizing the rubber material treated in the step S3 under the vulcanization condition of 150 ℃ and 10MPa to obtain the vulcanized rubber material.
Example 2:
the chloroprene rubber compound plasticized by the biomass cardanol comprises the following raw material components in parts by weight: 100 parts of neoprene, 5 parts of magnesium oxide, 6 parts of zinc oxide, 2 parts of stearic acid, 6 parts of naphthenic oil, 2 parts of an anti-aging agent, 80 parts of carbon black, 2 parts of an accelerator, 3 parts of cardanol acetate and 3 parts of carboxyl-terminated liquid natural rubber.
Wherein the zinc oxide is high-activity zinc oxide 801, the cardanol-based acetate is prepared from plant cashew nut shell oil as a raw material, the anti-aging agent is a mixture of anti-aging agent 4010NA and anti-aging agent RD according to a weight ratio of 1:1, and the preparation steps are the same as those in example 1.
Example 3:
the chloroprene rubber compound plasticized by the biomass cardanol comprises the following raw material components in parts by weight: 100 parts of neoprene, 4 parts of magnesium oxide, 4 parts of zinc oxide, 2 parts of stearic acid, 6 parts of naphthenic oil, 2 parts of an anti-aging agent, 84 parts of carbon black, 2 parts of an accelerator, 2 parts of cardanol acetate and 5 parts of carboxyl-terminated liquid natural rubber.
Wherein the zinc oxide is high-activity zinc oxide 801, the cardanol-based acetate is prepared from plant cashew nut shell oil as a raw material, and the anti-aging agent is an anti-aging agent ODA, and the preparation steps are the same as those in example 1.
Example 4:
the chloroprene rubber compound plasticized by the biomass cardanol comprises the following raw material components in parts by weight: 100 parts of neoprene, 6 parts of magnesium oxide, 5 parts of zinc oxide, 3 parts of stearic acid, 6 parts of naphthenic oil, 3 parts of an anti-aging agent, 84 parts of carbon black, 3 parts of an accelerator, 5 parts of cardanol acetate and 3 parts of carboxyl-terminated liquid natural rubber.
Wherein the zinc oxide is high-activity zinc oxide 801, the cardanol-based acetate is prepared from plant cashew nut shell oil as a raw material, the anti-aging agent is a mixture of an anti-aging agent ODA and an anti-aging agent AW according to the weight ratio of 1:1, and the preparation steps are the same as those in example 1.
Example 5:
the chloroprene rubber compound plasticized by the biomass cardanol comprises the following raw material components in parts by weight: 100 parts of neoprene, 4 parts of magnesium oxide, 5 parts of zinc oxide, 3 parts of stearic acid, 6 parts of naphthenic oil, 2 parts of an anti-aging agent, 80 parts of carbon black, 2 parts of an accelerator, 4 parts of cardanol acetate and 4 parts of carboxyl-terminated liquid natural rubber.
Wherein the zinc oxide is high-activity zinc oxide 801, the cardanol-based acetate is prepared from plant cashew nut shell oil as a raw material, the anti-aging agent is a mixture of anti-aging agent 4010NA and anti-aging agent RD according to a weight ratio of 1:1, and the preparation steps are the same as those in example 1.
As shown in table 1, five rubber compositions prepared according to the formulations of examples 1 to 5 are named as # 1, # 2, # 3, # 4 and # 5, respectively, and the related properties of the rubber compositions were tested by a rheometer, and the test results are as follows.
Table 1 rheometer test data for five compounds
From the data in Table 1, it can be seen that the # 2-5 compound compares t with the # 1 compound90The time is reduced, which shows that the preparation method of the invention can shorten the vulcanization time and improve the production efficiency of the chloroprene mixed rubber. Meanwhile, the physical and mechanical properties of the chloroprene mixed rubber prepared by the invention are improved through tensile strength, tearing strength and the like, and the times of 1mm and 3mm cracks are obviously increased, so that the physical properties of the prepared rubber material are obviously improved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (8)
1. The chloroprene rubber compound plasticized by the biomass cardanol is characterized by comprising the following raw material components in parts by weight: 100 parts of neoprene, 4-10 parts of magnesium oxide, 5-10 parts of zinc oxide, 2-5 parts of stearic acid, 2-8 parts of naphthenic oil, 1-3 parts of anti-aging agent, 65-85 parts of carbon black, 1-3 parts of accelerator and 2-8 parts of cardanol acetate.
2. The biomass cardanol plasticized neoprene compound of claim 1, characterized by: 3-5 parts of carboxyl-terminated liquid natural rubber can be added into the raw material components.
3. The biomass cardanol plasticized neoprene compound of claim 1, characterized by: the zinc oxide is one of high-activity zinc oxide 801 or high-activity zinc oxide 805.
4. The biomass cardanol plasticized neoprene compound of claim 1, characterized by: the cardanol-based acetate is prepared from plant cashew nut shell oil as a raw material.
5. The biomass cardanol plasticized neoprene compound of claim 1, characterized by: the anti-aging agent is one or a mixture of more of anti-aging agent 4010NA, anti-aging agent ODA, anti-aging agent RD or anti-aging agent AW.
6. A process for preparing a neoprene compound plasticized with biomass cardanol according to claims 1 to 5, characterized by comprising the following steps:
step S1: putting 100 parts of neoprene into an oven, baking for 1-1.5h, setting the temperature of the oven to be 50-60 ℃, and pressing into sheets by using an open mill for later use;
step S2: setting the initial temperature of an internal mixer to be 55-60 ℃, setting the rotating speed to be 55-60r/min, adding the chloroprene rubber processed in the step S1 when the temperature of the internal mixer reaches the preset temperature, sequentially adding 4-10 parts of magnesium oxide, 5-10 parts of zinc oxide, 2-5 parts of stearic acid, 2-8 parts of naphthenic oil, 1-3 parts of anti-aging agent, 65-85 parts of carbon black, 1-3 parts of accelerator, 2-8 parts of cardanol acetate and 0-5 parts of carboxyl-terminated liquid natural rubber after 2min, and discharging rubber at the temperature of 100-120 ℃;
step S3: adding the rubber processed in the step S2 into an open mill, setting the initial temperature of the open mill to be 40-50 ℃, the rotating speed to be 40-50r/min and the roll spacing to be 1-1.5mm, after the rubber is wrapped on a roll, carrying out thin-passing and beating for 5-6 times of triangular bags at the roll spacing of 0.2-0.3mm by a left cutter and a right cutter for 3-5 times, and discharging air at the roll spacing of 1.5-2 mm.
Step S4: and vulcanizing the rubber material processed in the step S3 to obtain a vulcanized rubber material.
7. The process for preparing the neoprene compound plasticized by the biomass cardanol according to claim 6, characterized in that: the carbon black of step S2 was added in two equal portions with a time interval of 0.5 min.
8. The preparation process of the chloroprene rubber compound plasticized by the biomass cardanol according to claim 5, characterized by comprising the following steps: the vulcanization condition in the step S4 is 140 ℃ and 150 ℃, and 8-10 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010628082.XA CN111607138A (en) | 2020-07-01 | 2020-07-01 | Chloroprene rubber compound plasticized by biomass cardanol and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010628082.XA CN111607138A (en) | 2020-07-01 | 2020-07-01 | Chloroprene rubber compound plasticized by biomass cardanol and preparation process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111607138A true CN111607138A (en) | 2020-09-01 |
Family
ID=72194268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010628082.XA Pending CN111607138A (en) | 2020-07-01 | 2020-07-01 | Chloroprene rubber compound plasticized by biomass cardanol and preparation process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111607138A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113388175A (en) * | 2021-06-30 | 2021-09-14 | 福建师范大学 | Preparation method of CARU elastomer composite material for shoe material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2323130A (en) * | 1939-05-26 | 1943-06-29 | Harvel Corp | Polymerized chloroprene-cashew nut shell liquid composition |
| GB626032A (en) * | 1939-05-26 | 1949-07-07 | Harvel Corp | Polymerised chloroprene-cashew nut shell liquid composition |
| CN103601938A (en) * | 2013-11-22 | 2014-02-26 | 芜湖集拓橡胶技术有限公司 | Chloroprene rubber |
| CN104744725A (en) * | 2014-12-23 | 2015-07-01 | 安徽美东生物材料有限公司 | Cardanol modified plasticizer and preparation method thereof |
| CN110878149A (en) * | 2018-09-06 | 2020-03-13 | 中国石油化工股份有限公司 | Low-odor rubber sealing strip for passenger car |
-
2020
- 2020-07-01 CN CN202010628082.XA patent/CN111607138A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2323130A (en) * | 1939-05-26 | 1943-06-29 | Harvel Corp | Polymerized chloroprene-cashew nut shell liquid composition |
| GB626032A (en) * | 1939-05-26 | 1949-07-07 | Harvel Corp | Polymerised chloroprene-cashew nut shell liquid composition |
| CN103601938A (en) * | 2013-11-22 | 2014-02-26 | 芜湖集拓橡胶技术有限公司 | Chloroprene rubber |
| CN104744725A (en) * | 2014-12-23 | 2015-07-01 | 安徽美东生物材料有限公司 | Cardanol modified plasticizer and preparation method thereof |
| CN110878149A (en) * | 2018-09-06 | 2020-03-13 | 中国石油化工股份有限公司 | Low-odor rubber sealing strip for passenger car |
Non-Patent Citations (1)
| Title |
|---|
| 橡胶工业原材料与装备简明手册编审委员会: "《橡胶工业原材料与装备简明手册.原材料与工艺耗材分册》", 31 January 2019 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113388175A (en) * | 2021-06-30 | 2021-09-14 | 福建师范大学 | Preparation method of CARU elastomer composite material for shoe material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102108143B (en) | Method for preparing hydrogenated nitrile rubber and chloroprene rubber blended vulcanized rubber | |
| CN104672624B (en) | Rubber composition, V belt wrapper glue with adoption of rubber composition and preparation method of V belt wrapper glue | |
| CN111040126A (en) | Silane modified epoxidized soybean oil-polylactic acid polyurethane composition and preparation method thereof | |
| CN112724348A (en) | Heat-resistant high-viscosity polyether ester elastomer composition and preparation method thereof | |
| CN111607138A (en) | Chloroprene rubber compound plasticized by biomass cardanol and preparation process thereof | |
| CN116217813A (en) | Modified ethylene propylene diene monomer and ethylene propylene diene monomer composite elastomer and preparation method thereof | |
| CN110484165B (en) | High-temperature-resistant and low-temperature-resistant environment-friendly chloroprene rubber adhesive and preparation method thereof | |
| Payungwong et al. | The role of model fatty acid and protein on thermal aging and ozone resistance of peroxide vulcanized natural rubber | |
| CN113429646A (en) | Rubber containing sacrificial bonds and having high tearing strength and high stress at definite elongation, and preparation method and application thereof | |
| CN1919904A (en) | Preparation method and use for anti-oxidant of butadiene polymer | |
| CN102417618B (en) | 40-degree natural rubber and production process thereof | |
| CN107987326B (en) | Composite rubber of ethylene propylene diene monomer and natural rubber and preparation method thereof | |
| CN111592700A (en) | Ageing-resistant chloroprene rubber compound and preparation method thereof | |
| CN113929978B (en) | Solid aviation tire lower tread rubber and preparation method thereof | |
| WO2023025808A1 (en) | Peroxide-crosslinkable rubber compositions containing organic fillers | |
| CN105062039A (en) | Heat-resistant polyurethane polyimide composite material and preparation method thereof | |
| CN107434961A (en) | A kind of insulating tape primer and preparation method thereof | |
| CN113930065A (en) | High-strength degradable packaging bag and preparation method thereof | |
| CN111040313A (en) | Preparation method of high-heat-resistance rubber | |
| CN111171397A (en) | All-steel truck tread formula | |
| CN113308059B (en) | Vulcanized composition based on brominated butyl rubber, vulcanized rubber, and preparation method and application thereof | |
| CN104893015B (en) | A kind of elastomeric rubber elastomer micelle | |
| CN108410047A (en) | A kind of anti-ultraviolet ageing polyethylene film, preparation method and application | |
| CN108440800B (en) | Low-Mooney constant-viscosity natural rubber and preparation method thereof | |
| CN115109170B (en) | Environment-friendly plasticizer, nitrile rubber and preparation method 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200901 |