초록 ▼

Composition and method for enhancing the dielectric strength of an in-service solid dielectric shielded electrical cable and preventing corrosion of a central aluminum conductor of the cable by supplying the cable with an alkoxysilane composition. In one embodiment, the alkoxysilane composition incl

Composition and method for enhancing the dielectric strength of an in-service solid dielectric shielded electrical cable and preventing corrosion of a central aluminum conductor of the cable by supplying the cable with an alkoxysilane composition. In one embodiment, the alkoxysilane composition includes dimethyldi(n-butoxy)silane.

대표청구항 ▼

The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows: 1. A method for enhancing the dielectric strength of an in-service solid dielectric shielded electrical cable and preventing corrosion of an aluminum central conductor encased in an insul

The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows: 1. A method for enhancing the dielectric strength of an in-service solid dielectric shielded electrical cable and preventing corrosion of an aluminum central conductor encased in an insulation jacket and having an interstitial void volume in the region of the conductor, comprising: supplying the interstitial void volume with an alkoxysilane composition comprising a dialkoxysilane having the formula: (R1O)(R2O)SiR3R4 wherein R1 and R2 are independently selected from the group consisting of C4 and C5 alkyl groups; and wherein R3 and R4 are independently selected from the group consisting of C1 alkyl, C2 alkyl, and C3 alkyl. 2. The method of claim 1, wherein the composition further comprises a hydrolysis catalyst. 3. The method of claim 1, wherein the composition further comprises a non-functional dye. 4. The method of claim 1, wherein the C4 alkyl group is selected from the group consisting of n-butyl, s-butyl, and i-butyl groups. 5. The method of claim 1, wherein the C5 alkyl group is selected from the group consisting of n-pentyl, s-pentyl, and i-pentyl groups. 6. The method of claim 1, wherein R1 and R2 are n-butyl groups. 7. The method of claim 1, wherein R1 and R2 are n-pentyl groups. 8. The method of claim 1, wherein the dialkoxysilane is a dialkyldibutoxysilane. 9. The method of claim 1, wherein the dialkoxysilane is selected from the group consisting of a dimethyldibutoxysilane, a diethyldibutoxysilane, and a dipropyldibutoxysilane. 10. The method of claim 1, wherein the dialkoxysilane is dimethyldi(n-butoxy) silane. 11. The method of claim 1, wherein the dialkoxysilane is a dialkyldipentoxysilane. 12. The method of claim 1, wherein the dialkoxysilane is selected from the group consisting of a dimethyldipentoxysilane, a diethyldipentoxysilane, and a dipropyldipentoxysilane. 13. The method of claim 1, wherein the dialkoxysilane is dimethyldi(n-pentoxy) silane. 14. A method for enhancing the dielectric strength of an in-service solid dielectric shielded electrical cable and preventing corrosion of an aluminum central conductor encased in an insulation jacket and having an interstitial void volume in the region of the conductor, comprising supplying the interstitial void volume with an alkoxysilane composition comprising a dialkoxysilane selected from the group consisting of a dimethyldibutoxysilane and a dimethyldipentoxysilane. 15. The method of claim 14, wherein the dialkoxysilane is dimethyldi(n-butoxy) silane. 16. The method of claim 14, wherein the dialkoxysilane is dimethyldi(n-pentoxy) silane. 17. The method of claim 14, wherein the composition further comprises a hydrolysis catalyst. 18. The method of claim 14, wherein the composition further comprises a non-functional dye.