ethylene-propylene-diene monomer
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major industrial polymersEthylene-propylene copolymers…the latter as EPDM (ethylene-propylene-diene monomer). The copolymers contain approximately 60 percent by weight ethylene. A pronounced advantage of EPDM is that the residual carbon-carbon double bond (i.e., the double bond that remains after polymerization) is attached to the polymer chain rather than being made part of it. Carbon-carbon…
Read More…the latter as EPDM (ethylene-propylene-diene monomer). The copolymers contain approximately 60 percent by weight ethylene. A pronounced advantage of EPDM is that the residual carbon-carbon double bond (i.e., the double bond that remains after polymerization) is attached to the polymer chain rather than being made part of it. Carbon-carbon…
Read More- elastomerPolymer blends
…mixture of approximately 60 parts ethylene-propylene-diene monomer copolymer (EPDM) with 40 parts polypropylene. A hydrocarbon oil, compatible with EPDM, and interlinking reagents for EPDM are also added. Because the polymers are molecularly incompatible, they form a fine, heterogeneous blend, the individual materials remaining as small, separate regions. During mixing, the…
Read More…mixture of approximately 60 parts ethylene-propylene-diene monomer copolymer (EPDM) with 40 parts polypropylene. A hydrocarbon oil, compatible with EPDM, and interlinking reagents for EPDM are also added. Because the polymers are molecularly incompatible, they form a fine, heterogeneous blend, the individual materials remaining as small, separate regions. During mixing, the…
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