CN104893111A - Low temperature low toxicity resistant rubber - Google Patents
Low temperature low toxicity resistant rubber Download PDFInfo
- Publication number
- CN104893111A CN104893111A CN201510208727.3A CN201510208727A CN104893111A CN 104893111 A CN104893111 A CN 104893111A CN 201510208727 A CN201510208727 A CN 201510208727A CN 104893111 A CN104893111 A CN 104893111A
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- rubber
- low temperature
- agent
- low toxicity
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
-
- 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)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention belongs to the rubber technical field, and discloses low temperature low toxicity resistant rubber, the low temperature low toxicity resistant rubber comprises the following raw materials by weight: 55-65 parts of ethylene-propylene-diene monomer, 35-45 parts of natural rubber, 24-28 parts of polyvinyl chloride (PVC), 30-40 parts of calcium carbonate, 2.5-4.5 parts of a cold-resistant agent, 0.1-0.3 part of paraffin wax, 1.2-1.5 parts of a promoter, 3-4 parts of polyethylene glycol (peg), 1.5-2.5 parts of glyceryl monostearate, 0.2-0.3 part of an antioxidant, 4-5 parts of a calcium zinc stabilizer, 1-1.5 parts of a plasticizer, 0.5-1.5 parts of a vulcanizing agent and 3-5 parts of a foaming agent. The polyvinyl chloride and other raw materials are added into the ethylene-propylene-diene monomer to improve the shortcoming of single formula in the prior art, tensile strength is high, ductility is good, and the low temperature low toxicity resistant rubber has good low temperature resistance, good comprehensive mechanical properties, and low toxicity to human body.
Description
Technical field
the invention belongs to field of rubber technology, specifically a kind of low temperature resistant low toxicity rubber.
Background technology
Along with the concern of people to health and the development of refrigerator industry, the requirement of people to refrigerator part is more and more higher.Refrigerator door sealing strip requires that mechanical property, resistance to migration are qualified, also requires human body low toxicity.
Terpolymer EP rubber has resistance to oxidation, ozone-resistant and erosion-resistant ability, and it has fabulous vulcanization characteristics, and in rubber, terpolymer EP rubber has minimum proportion, and it can absorb a large amount of fillers and oil, but little on self performance impact.
Summary of the invention
The object of the present invention is to provide a kind of low temperature resistant low toxicity rubber.
Object of the present invention can be achieved through the following technical solutions:
Low temperature resistant low toxicity rubber, this rubber is made up of the raw material of following weight part: terpolymer EP rubber 55-65 part, natural rubber 35-45 part, polyvinyl chloride 24-28 part, calcium carbonate 30-40 part, cold-resistant agent 2.5-4.5 part, paraffin 0.1-0.3 part, promotor 1.2-1.5 part, polyoxyethylene glycol 3-4 part, glyceryl monostearate 1.5-2.5 part, oxidation inhibitor 0.2-0.3 part, calcium zinc stabilizer 4-5 part, softening agent 1-1.5 part, vulcanizing agent 0.5-1.5 part, whipping agent 3-5 part.
The present invention is preferably made up of the raw material of following weight part: terpolymer EP rubber 58 parts, natural rubber 32 parts, polyvinyl chloride 26 parts, 34 parts, calcium carbonate, cold-resistant agent 3.5 parts, 0.2 part, paraffin, promotor 1.5 parts, polyoxyethylene glycol 3.5 parts, glyceryl monostearate 2 parts, 0.3 part, oxidation inhibitor, calcium zinc stabilizer 4.5 parts, 1.5 parts, softening agent, vulcanizing agent 1 part, whipping agent 4 parts.
Described vulcanizing agent is dicumyl peroxide.
Beneficial effect of the present invention: the present invention adds the raw materials such as polyvinyl chloride in terpolymer EP rubber, improves the shortcoming of single formula in prior art, and its tensile strength is high, good-extensibility, has good resistance to low temperature, and comprehensive mechanical property is good, to human body low toxicity.
Embodiment
Be described in further detail the present invention below in conjunction with specific embodiment, raw material used herein all commercially can be bought and obtain, and " part " described in embodiment is " kg ".
Embodiment 1
Low temperature resistant low toxicity rubber: terpolymer EP rubber 58 parts of getting the raw materials ready, natural rubber 32 parts, polyvinyl chloride 26 parts, 34 parts, calcium carbonate, cold-resistant agent 3.5 parts, 0.2 part, paraffin, promotor 1.5 parts, polyoxyethylene glycol 3.5 parts, glyceryl monostearate 2 parts, 0.3 part, oxidation inhibitor, calcium zinc stabilizer 4.5 parts, 1.5 parts, softening agent, dicumyl peroxide 1 part, whipping agent 4 parts.
Above-mentioned raw materials high-temperature stirring is even, and enter Banbury mixer banburying, mixing 15-20min, extrudes through twin screw extruder, namely obtains the low temperature resistant low toxicity rubber of the present invention.
Embodiment 2
Terpolymer EP rubber 55 parts, natural rubber 45 parts, polyvinyl chloride 24 parts, 40 parts, calcium carbonate, cold-resistant agent 2.5 parts, 0.1 part, paraffin, promotor 1.2 parts, polyoxyethylene glycol 3 parts, glyceryl monostearate 1.5 parts, 0.3 part, oxidation inhibitor, calcium zinc stabilizer 4 parts, 1 part, softening agent, vulcanizing agent 1.5 parts, whipping agent 3 parts.
Above-mentioned raw materials high-temperature stirring is even, and enter Banbury mixer banburying, mixing 15min, extrudes through twin screw extruder, namely obtains the low temperature resistant low toxicity rubber of the present invention.
Embodiment 3
Terpolymer EP rubber 65 parts, natural rubber 35 parts, polyvinyl chloride 28 parts, 30 parts, calcium carbonate, cold-resistant agent 4.5 parts, 0.3 part, paraffin, promotor 1.5 parts, polyoxyethylene glycol 4 parts, glyceryl monostearate 2.5 parts, 0.2 part, oxidation inhibitor, calcium zinc stabilizer 5 parts, 1.5 parts, softening agent, dicumyl peroxide 0.5 part, whipping agent 5 parts.
Above-mentioned raw materials high-temperature stirring is even, and enter Banbury mixer banburying, mixing 15min, extrudes through twin screw extruder, namely obtains the low temperature resistant low toxicity rubber of the present invention.
Above content is only citing made for the present invention and explanation; affiliated those skilled in the art make various amendment to described specific embodiment or supplement or adopt similar mode to substitute; only otherwise depart from invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.
Claims (3)
1. low temperature resistant low toxicity rubber, is characterized in that: this rubber is made up of the raw material of following weight part: terpolymer EP rubber 55-65 part, natural rubber 35-45 part, polyvinyl chloride 24-28 part, calcium carbonate 30-40 part, cold-resistant agent 2.5-4.5 part, paraffin 0.1-0.3 part, promotor 1.2-1.5 part, polyoxyethylene glycol 3-4 part, glyceryl monostearate 1.5-2.5 part, oxidation inhibitor 0.2-0.3 part, calcium zinc stabilizer 4-5 part, softening agent 1-1.5 part, vulcanizing agent 0.5-1.5 part, whipping agent 3-5 part.
2. low temperature resistant low toxicity rubber according to claim 1, is characterized in that: this rubber is made up of the raw material of following weight part: terpolymer EP rubber 58 parts, natural rubber 32 parts, polyvinyl chloride 26 parts, 34 parts, calcium carbonate, cold-resistant agent 3.5 parts, 0.2 part, paraffin, promotor 1.5 parts, polyoxyethylene glycol 3.5 parts, glyceryl monostearate 2 parts, 0.3 part, oxidation inhibitor, calcium zinc stabilizer 4.5 parts, 1.5 parts, softening agent, vulcanizing agent 1 part, whipping agent 4 parts.
3. low temperature resistant low toxicity rubber according to claim 1 and 2, is characterized in that: described vulcanizing agent is dicumyl peroxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510208727.3A CN104893111A (en) | 2015-04-29 | 2015-04-29 | Low temperature low toxicity resistant rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510208727.3A CN104893111A (en) | 2015-04-29 | 2015-04-29 | Low temperature low toxicity resistant rubber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104893111A true CN104893111A (en) | 2015-09-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510208727.3A Pending CN104893111A (en) | 2015-04-29 | 2015-04-29 | Low temperature low toxicity resistant rubber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104893111A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107501642A (en) * | 2017-09-05 | 2017-12-22 | 南通凤凰橡胶制品有限公司 | Mildewproof rubber |
| CN115353689A (en) * | 2022-08-17 | 2022-11-18 | 芜湖集拓橡胶技术有限公司 | Formula of high-hardness ethylene propylene diene monomer sealing strip |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103937113A (en) * | 2014-04-22 | 2014-07-23 | 安徽嘉木橡塑工业有限公司 | Ethylene-propylene-diene monomer (EPDM) sealing strip applied to refrigerator doors |
| CN103992570A (en) * | 2014-05-22 | 2014-08-20 | 安徽嘉木橡塑工业有限公司 | Heat-resistant flame-retardant ethylene propylene diene monomer rubber |
| CN104059257A (en) * | 2014-06-20 | 2014-09-24 | 安徽嘉木橡塑工业有限公司 | Abrasion-resistance oil-resistance rubber composite material |
-
2015
- 2015-04-29 CN CN201510208727.3A patent/CN104893111A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103937113A (en) * | 2014-04-22 | 2014-07-23 | 安徽嘉木橡塑工业有限公司 | Ethylene-propylene-diene monomer (EPDM) sealing strip applied to refrigerator doors |
| CN103992570A (en) * | 2014-05-22 | 2014-08-20 | 安徽嘉木橡塑工业有限公司 | Heat-resistant flame-retardant ethylene propylene diene monomer rubber |
| CN104059257A (en) * | 2014-06-20 | 2014-09-24 | 安徽嘉木橡塑工业有限公司 | Abrasion-resistance oil-resistance rubber composite material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107501642A (en) * | 2017-09-05 | 2017-12-22 | 南通凤凰橡胶制品有限公司 | Mildewproof rubber |
| CN115353689A (en) * | 2022-08-17 | 2022-11-18 | 芜湖集拓橡胶技术有限公司 | Formula of high-hardness ethylene propylene diene monomer sealing strip |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into 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: 20150909 |