US 10,894,878 B2Granted

Halogen free and fire-resistant rubber composition and hose

AssigneeEaton Intelligent Power Limited

InventorsRecep Muco, Muslum Eren, Volkan Karayazi, Ozgur Caliskan, Tekin Coskun, Ali Aktas

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Abstract

A halogen-free, fire resistant rubber composition for a fire resistant hose includes: 100 parts by weight of elastomer having a blend of: 60 to 70 parts of ethylene vinylacetate elastomer (EVM), a vinylacetate content of EVM being in the range from 60 to 70% by weight; 40 to 30 parts of terpolymer of ethylene, propylene, and a diene elastomer (EPDM), an ethylene content of EPDM being in the range from 30 to 40% by weight and a propylene content of EPDM being from 60 to 70% by weight; at least one fire retardant ingredient; and at least one vulcanizing agent. The vulcanizing agent is a peroxide curative.

Claims15

Dependent claims

A halogen-free, fire resistant rubber composition for a fire resistant hose, the composition comprising:

100 parts by weight of elastomer comprising a blend of:
60 to 70 parts of ethylene vinylacetate elastomer (EVM), wherein a vinylacetate content of EVM is in the range from 60 to 70% by weight;
40 to 30 parts of terpolymer of ethylene, propylene, and a diene elastomer (EPDM), wherein an ethylene content of EPDM is in the range from 30 to 40% by weight and a propylene content of EPDM is from 60 to 70% by weight;
75 to 195 parts by weight of fire retardant ingredient per hundred parts by weight of elastomer, wherein the fire retardant ingredient comprises one or more selected from the group consisting of aluminum trihydrate (ATH), magnesium hydroxide, calcium hydroxide, and magnesium carbonate;
and
at least one vulcanizing agent, wherein the vulcanizing agent comprises a peroxide curative.

3 more elements

Dependencies are inferred from the claim text.