CN104910531A - High-foaming-ratio microporous ethylene-propylene-diene monomer rubber material and preparation method of material - Google Patents

High-foaming-ratio microporous ethylene-propylene-diene monomer rubber material and preparation method of material Download PDF

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Publication number
CN104910531A
CN104910531A CN201510344384.3A CN201510344384A CN104910531A CN 104910531 A CN104910531 A CN 104910531A CN 201510344384 A CN201510344384 A CN 201510344384A CN 104910531 A CN104910531 A CN 104910531A
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CN
China
Prior art keywords
diene monomer
rubber
foaming
ethylene propylene
propylene diene
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
Application number
CN201510344384.3A
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Chinese (zh)
Inventor
徐定红
朱建华
石敏
秦舒浩
郭建兵
张道海
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Guizhou Material Industrial Technology Research Institute
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Guizhou Material Industrial Technology Research Institute
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Priority to CN201510344384.3A priority Critical patent/CN104910531A/en
Publication of CN104910531A publication Critical patent/CN104910531A/en
Pending legal-status Critical Current

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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
    • 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
    • C08J3/242—Applying crosslinking or accelerating agent onto compounding ingredients such as fillers, reinforcements
    • 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
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/16—Ethene-propene or ethene-propene-diene copolymers

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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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

The invention provides a high-foaming-ratio microporous ethylene-propylene-diene monomer rubber material and a preparation method of the material. The preparation method of the material comprises the following steps: optimizing the formula of the microporous ethylene-propylene-diene monomer rubber material, then simultaneously vulcanizing, cross-linking and foaming the material in a blending extrusion manner to prepare the high-foaming-ratio microporous ethylene-propylene-diene monomer rubber material. The method is simple, is easy to implement, low in cost and excellent in using effect.

Description

Micropore ethylene propylene diene monomer (EPDM) material of high foamability and preparation method thereof
Technical field
The present invention relates to materials science field, micropore ethylene propylene diene monomer (EPDM) material of especially a kind of high foamability and preparation method thereof.
Background technology
Ethylene propylene diene rubber foaming materials is widely used in automobile, electrical equipment, daily product, the industry such as furniture and packaging.Developing in recent years along with automobile industry, ethylene propylene diene rubber foaming materials is also more and more extensive in the application of automobile industry, such as in weather strip for automobile etc.But the deficiency that conventional formulation and technique are prepared etc., ethylene propylene diene rubber foaming materials abscess is larger, mechanical property is lower, and these defects of ethylene propylene diene rubber foaming materials become the serious obstruction of ethylene propylene diene rubber foaming materials on the developing application road of frontier.
Summary of the invention
The object of the invention is: micropore ethylene propylene diene monomer (EPDM) material providing a kind of high foamability and preparation method thereof, its expansion ratio is high, and mechanical property is better, to overcome the deficiencies in the prior art.
The present invention is achieved in that the micropore ethylene propylene diene monomer (EPDM) material of high foamability, calculate according to the mass fraction, comprise terpolymer EP rubber 90-110 part, carbon black 35-45 part, rubber reinforcing filler E1 15-25 part, paraffin oil 12-17 part, whipping agent 5-7 part, sulphur 2-5 part, calcium oxide 10-15 part, predispersed accelerator 2-3 part.
Described predispersed accelerator by etc. the MBT-80 of mass parts, ETU-80, CBS-80, ZDBC-80 and DPTT-70 form.
The preparation method of the micropore ethylene propylene diene monomer (EPDM) material of high foamability, by terpolymer EP rubber 90-110 part, carbon black 35-45 part, rubber reinforcing filler E1 15-25 part, paraffin oil 12-17 part, whipping agent 5-7 part, sulphur 2-5 part, after calcium oxide 10-15 part and predispersed accelerator 2-3 part mix, sends in Rubber Extruder, the delivery temperature of screw rod is at 165-180 DEG C, through Rubber Extruder shearing and mixing after, material melting, compound, foaming, finally extrude, cool, and pelletizing, obtain finished product.
Owing to have employed above technical scheme, the present invention carries out preferably the formula of micropore ethylene propylene diene monomer (EPDM) material, by mode material cures is the crosslinked and foaming simultaneously of blending extrusion, improves obtained high foamability, microvesicle hole ethylene propylene diene monomer (EPDM) material.The inventive method is simple, and easy to implement, with low cost, result of use is good.
Embodiment
Embodiments of the invention 1: the micropore ethylene propylene diene monomer (EPDM) material of high foamability, calculate according to the mass fraction, comprise terpolymer EP rubber 100 parts, carbon black 40 parts, rubber reinforcing filler E1 20 parts, paraffin oil 15 parts, whipping agent 6 parts, 3 parts, sulphur, 12 parts, calcium oxide (CaO-80), predispersed accelerator 2.5 parts; Described predispersed accelerator by etc. the MBT-80 of mass parts, ETU-80, CBS-80, ZDBC-80 and DPTT-70 form.
The preparation method of the micropore ethylene propylene diene monomer (EPDM) material of high foamability, by above-mentioned mass fraction, by terpolymer EP rubber, carbon black, rubber reinforcing filler E1, paraffin oil, whipping agent, sulphur, after calcium oxide and predispersed accelerator mix, send in Rubber Extruder, the delivery temperature of screw rod is 165 DEG C, through Rubber Extruder shearing and mixing after, material melting, compound, foaming, finally extrude, cool, and pelletizing, obtain finished product.
Performance is as follows after tested for this obtained routine high-impact scrape resistant matrix material:
Proportion: 0.84g/cm 3
Expansion ratio 1.19
Hardness: 63
Tensile strength: 4.10Mpa
Break-draw strains: 400%
Embodiments of the invention 2: the micropore ethylene propylene diene monomer (EPDM) material of high foamability, material composition is identical with embodiment 1.
The preparation method of the micropore ethylene propylene diene monomer (EPDM) material of high foamability, by above-mentioned mass fraction, by terpolymer EP rubber, carbon black, rubber reinforcing filler E1, paraffin oil, whipping agent, sulphur, after calcium oxide and predispersed accelerator mix, send in Rubber Extruder, the delivery temperature of screw rod is 170 DEG C, through Rubber Extruder shearing and mixing after, material melting, compound, foaming, finally extrude, cool, and pelletizing, obtain finished product.
Performance is as follows after tested for this obtained routine high-impact scrape resistant matrix material:
Proportion: 0.86g/cm 3
Expansion ratio 1.16
Hardness: 62
Tensile strength: 5.71Mpa
Break-draw strains: 420%
Embodiments of the invention 3: the micropore ethylene propylene diene monomer (EPDM) material of high foamability, material composition is identical with embodiment 1.
The preparation method of the micropore ethylene propylene diene monomer (EPDM) material of high foamability, by above-mentioned mass fraction, by terpolymer EP rubber, carbon black, rubber reinforcing filler E1, paraffin oil, whipping agent, sulphur, after calcium oxide and predispersed accelerator mix, send in Rubber Extruder, the delivery temperature of screw rod is 175 DEG C, through Rubber Extruder shearing and mixing after, material melting, compound, foaming, finally extrude, cool, and pelletizing, obtain finished product.
Performance is as follows after tested for this obtained routine high-impact scrape resistant matrix material:
Proportion: 0.78g/cm 3
Expansion ratio 1.28
Hardness: 61
Tensile strength: 5.86Mpa
Break-draw strains: 430%
Embodiments of the invention 4: the micropore ethylene propylene diene monomer (EPDM) material of high foamability, material composition is identical with embodiment 1.
The preparation method of the micropore ethylene propylene diene monomer (EPDM) material of high foamability, by above-mentioned mass fraction, by terpolymer EP rubber, carbon black, rubber reinforcing filler E1, paraffin oil, whipping agent, sulphur, after calcium oxide and predispersed accelerator mix, send in Rubber Extruder, the delivery temperature of screw rod is 180 DEG C, through Rubber Extruder shearing and mixing after, material melting, compound, foaming, finally extrude, cool, and pelletizing, obtain finished product.
Performance is as follows after tested for this obtained routine high-impact scrape resistant matrix material:
Proportion: 0.88g/cm 3
Expansion ratio 1.14
Hardness: 57
Tensile strength: 4.56Mpa
Break-draw strains: 400%
Of the present inventionly be not limited to the embodiment described in embodiment, those skilled in the art's technical scheme according to the present invention draws and other embodiment belongs to technological innovation scope of the present invention equally.Obvious those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.

Claims (3)

1. the micropore ethylene propylene diene monomer (EPDM) material of a high foamability, it is characterized in that: calculate according to the mass fraction, comprise terpolymer EP rubber 90-110 part, carbon black 35-45 part, rubber reinforcing filler E1 15-25 part, paraffin oil 12-17 part, whipping agent 5-7 part, sulphur 2-5 part, calcium oxide 10-15 part and predispersed accelerator 2-3 part.
2. the micropore ethylene propylene diene monomer (EPDM) material of high foamability according to claim 1, is characterized in that: described predispersed accelerator by etc. the MBT-80 of mass parts, ETU-80, CBS-80, ZDBC-80 and DPTT-70 form.
3. the preparation method of the micropore ethylene propylene diene monomer (EPDM) material of a high foamability as claimed in claim 1, it is characterized in that: by terpolymer EP rubber 90-110 part, carbon black 35-45 part, rubber reinforcing filler E1 15-25 part, paraffin oil 12-17 part, whipping agent 5-7 part, sulphur 2-5 part, after calcium oxide 10-15 part and predispersed accelerator 2-3 part mix, send in Rubber Extruder, the delivery temperature of screw rod is at 165-180 DEG C, through Rubber Extruder shearing and mixing after, material melting, compound, foaming, finally extrude, cooling, and pelletizing, obtain finished product.
CN201510344384.3A 2015-06-19 2015-06-19 High-foaming-ratio microporous ethylene-propylene-diene monomer rubber material and preparation method of material Pending CN104910531A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510344384.3A CN104910531A (en) 2015-06-19 2015-06-19 High-foaming-ratio microporous ethylene-propylene-diene monomer rubber material and preparation method of material

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104194162A (en) * 2014-08-20 2014-12-10 太仓荣南密封件科技有限公司 EPDM (ethylene-propylene-diene monomer) rubber for air conditioners and preparation technique thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104194162A (en) * 2014-08-20 2014-12-10 太仓荣南密封件科技有限公司 EPDM (ethylene-propylene-diene monomer) rubber for air conditioners and preparation technique thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
周丽玲 等: "新型橡胶补强剂Create-E1在EPDM中的应用", 《橡胶工业》 *

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Application publication date: 20150916