Polyurethane gel agent for decontaminating and sealing the...

Details Polyurethane gel agent for decontaminating and sealing the... Polyurethane gel agent for decontaminating and sealing the...

Category

C - Chemistry, Metallurgy

Subcategory

09

Subsubcategory

K

CPC

18/60, 400/7432,

IPC codes

C09K 3/00 (2006.01) C08G 18/69 (2006.01) C08G 18/75 (2006.01) C08K 5/04 (2006.01) C08L 75/04 (2006.01) H01B 3/18 (2006.01) H01B 3/30 (2006.01)

Type

Patent

Patent number

CA 1101143

Description

ABSTRACT of the Invention This invention provides a method of sealing and purging contaminants from the internal free spaces of an insulated electrical device by forcing into said free spaces a low viscosity material consisting of a mineral oil extended polyurethane that acts to displace fluid contaminants from within said free spaces. the material later cures in situ to form a hydrophobic seal with good electrical properties. Also disclosed herein is a method for rehabilitating waterlogged plastic insulated multicon- ductor communications cables of the type employed in telephone systems.

Application Number

256883

Affiliated with

Also associated with

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