Comparison of structure and properties of different brands of ethylene propylene diene monomer
The microstructure, curing characteristics, physical and mechanical properties, wear resistance and aging resistance of eight brands of ethylene propylene diene monomer (EPDM) were compared. The results showed that the mass fraction of the third monomer vinylidene norbornene (ENB) in EPDM affected...
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| Format: | Article |
| Language: | zho |
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Editorial Office of China Synthetic Rubber Industry
2022-03-01
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| Series: | Hecheng xiangjiao gongye |
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| Online Access: | http://hcxjgy.paperopen.com/oa/DArticle.aspx?type=view&id=202202006 |
| _version_ | 1818335209207103488 |
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| author | HU Hai-hua1; HUANG Xi-dai1; YANG Yu-qiong1; RONG Fang-yi2; ZHOU Lei1; WU Yu1; LI Bo1; ZHAO Hong-guo1; HE Lian-cheng1 |
| author_facet | HU Hai-hua1; HUANG Xi-dai1; YANG Yu-qiong1; RONG Fang-yi2; ZHOU Lei1; WU Yu1; LI Bo1; ZHAO Hong-guo1; HE Lian-cheng1 |
| author_sort | HU Hai-hua1; HUANG Xi-dai1; YANG Yu-qiong1; RONG Fang-yi2; ZHOU Lei1; WU Yu1; LI Bo1; ZHAO Hong-guo1; HE Lian-cheng1 |
| collection | DOAJ |
| description |
The microstructure, curing characteristics, physical and mechanical properties, wear resistance and aging resistance of eight brands of ethylene propylene diene monomer (EPDM) were compared. The results showed that the mass fraction of the third monomer vinylidene norbornene (ENB) in EPDM affected the curing rate of EPDM. Among the 8 brands, the curing rate of EPDM 9950 C was the fastest and that of EPDM 3722 was the slowest. The curing rate of oil filled EPDM 3666 was similar to that of EPDM with similar structure, but the maximum torque and minimum torque of EPDM 3666 vulcanizate decreased significantly. EPDM 6470 and EPDM 5890 F vulcanizates with high mass fraction of vinyl had higher tensile strength, modulus at 300% and Shore A hardness, and better tear resistance, wear resistance and resilience. The compression set of EPDM 9950 C and EPDM 4570 with higher relative molecular weight was the smallest, and the compression set of EPDM 3722 vulcanizate with more than 90% mass fraction of vinyl was the largest. The tensile strength and Shore A hardness of EPDM with small relative molecular weight and oil filled EPDM were lower. The aging resistance of eight brands of EPDM was good, among which EPDM 3722 with the lowest mass fraction of ENB had the best aging resistance. |
| first_indexed | 2024-12-13T14:19:47Z |
| format | Article |
| id | doaj.art-5b2c0e6ceb494f31a69ab3787d70ffd3 |
| institution | Directory Open Access Journal |
| issn | 1000-1255 |
| language | zho |
| last_indexed | 2024-12-13T14:19:47Z |
| publishDate | 2022-03-01 |
| publisher | Editorial Office of China Synthetic Rubber Industry |
| record_format | Article |
| series | Hecheng xiangjiao gongye |
| spelling | doaj.art-5b2c0e6ceb494f31a69ab3787d70ffd32022-12-21T23:42:07ZzhoEditorial Office of China Synthetic Rubber IndustryHecheng xiangjiao gongye1000-12552022-03-0145211211610.19908/j.cnki.ISSN1000-1255.2022.02.0112 Comparison of structure and properties of different brands of ethylene propylene diene monomer HU Hai-hua1; HUANG Xi-dai1; YANG Yu-qiong1; RONG Fang-yi2; ZHOU Lei1; WU Yu1; LI Bo1; ZHAO Hong-guo1; HE Lian-cheng101. Lanzhou Pretrochemical Research Center/Gansu Provincial Engineering Technology Research Center of Synthetic Rubber， Petrochemical Research Institute, PetroChina, Lanzhou 730060，China; 2. School of Electronic and Information Engineering, Tongji University, Shanghai 201804，China The microstructure, curing characteristics, physical and mechanical properties, wear resistance and aging resistance of eight brands of ethylene propylene diene monomer (EPDM) were compared. The results showed that the mass fraction of the third monomer vinylidene norbornene (ENB) in EPDM affected the curing rate of EPDM. Among the 8 brands, the curing rate of EPDM 9950 C was the fastest and that of EPDM 3722 was the slowest. The curing rate of oil filled EPDM 3666 was similar to that of EPDM with similar structure, but the maximum torque and minimum torque of EPDM 3666 vulcanizate decreased significantly. EPDM 6470 and EPDM 5890 F vulcanizates with high mass fraction of vinyl had higher tensile strength, modulus at 300% and Shore A hardness, and better tear resistance, wear resistance and resilience. The compression set of EPDM 9950 C and EPDM 4570 with higher relative molecular weight was the smallest, and the compression set of EPDM 3722 vulcanizate with more than 90% mass fraction of vinyl was the largest. The tensile strength and Shore A hardness of EPDM with small relative molecular weight and oil filled EPDM were lower. The aging resistance of eight brands of EPDM was good, among which EPDM 3722 with the lowest mass fraction of ENB had the best aging resistance.http://hcxjgy.paperopen.com/oa/DArticle.aspx?type=view&id=202202006ethylene propylene diene monomercuring characteristicsphysical and mechanical propertywear resistanceaging resistance |
| spellingShingle | HU Hai-hua1; HUANG Xi-dai1; YANG Yu-qiong1; RONG Fang-yi2; ZHOU Lei1; WU Yu1; LI Bo1; ZHAO Hong-guo1; HE Lian-cheng1 Comparison of structure and properties of different brands of ethylene propylene diene monomer Hecheng xiangjiao gongye ethylene propylene diene monomer curing characteristics physical and mechanical property wear resistance aging resistance |
| title | Comparison of structure and properties of different brands of ethylene propylene diene monomer |
| title_full | Comparison of structure and properties of different brands of ethylene propylene diene monomer |
| title_fullStr | Comparison of structure and properties of different brands of ethylene propylene diene monomer |
| title_full_unstemmed | Comparison of structure and properties of different brands of ethylene propylene diene monomer |
| title_short | Comparison of structure and properties of different brands of ethylene propylene diene monomer |
| title_sort | comparison of structure and properties of different brands of ethylene propylene diene monomer |
| topic | ethylene propylene diene monomer curing characteristics physical and mechanical property wear resistance aging resistance |
| url | http://hcxjgy.paperopen.com/oa/DArticle.aspx?type=view&id=202202006 |
| work_keys_str_mv | AT huhaihua1huangxidai1yangyuqiong1rongfangyi2zhoulei1wuyu1libo1zhaohongguo1heliancheng1 comparisonofstructureandpropertiesofdifferentbrandsofethylenepropylenedienemonomer |