Title: Strippable composite of polymeric materials for use in insulated electrical conductors, a method of forming the same and products thereof

Abstract: A composite of polymeric materials which are adheringly joined to each other and which can be easily and cleanly separated by stripping apart with a low pulling force whereupon the contacting surfaces of their interface separate cleanly without retention of any residue on one from the other, and which comprises the combination of a previously cured body of a copolymer of ethylene and propylene adjoined to a subsequently cured body of an elastomeric blend of a copolymer of ethylene and propylene admixed with chlorosulfonated polyethylene. The combination of materials is especially advantageous when used in electrically conducting wire and cable constructions as a composite of an electrical insulation and an overlying strippable semiconductive layer.

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Inventors: Misiura, Thaddeus Dominick (Sandy Hook, CT, US)
Vostovich, Joseph Edward (Bridgeport, CT, US)
Wahl, Ralph Edward (Trumbull, CT, US)

Application Number: 608447
Filing Date: 1975-08-28
Publication_date: 1977-09-27
Assignee: General Electric Company (Bridgeport, CT)
Primary Class(es): 428/383 156/51, 156/158, 156/184, 174/102SC, 174/120SC, 427/118, 427/119, 427/120, 427/409, 428/202, 428/343, 428/461, 428/463, 428/515, 428/516, 428/517, 428/518,
Other Classes:
US Patent Ref:

2635975	Apr, 1953	Peters	428/516.
2888424	May, 1959	Precopio et al.	260/42.
2897100	Jul, 1959	Grencey et al.	428/516.
3079370	Feb, 1963	Precopio et al.	260/94.
3551284	Dec, 1970	Portolani et al.	428/516.
3592728	Jul, 1971	Muise	428/383.
3793476	Feb, 1974	Misiura et al.	174/102.
3840694	Oct, 1974	Luczak	428/383.

Other Refs: 15,467

Jul, 1969	JA

Primary Examiner: Ives, P. C.
Assistant Examiner:
Attorney: Simkins; R. G., Schlamp; P. L., Neuhauser; F. L.