Patent · US Expired

Reaction products of 2-(aminoethyl)-aminopropyl-alkoxy silanes and chlorosilanes

US5030745A · kind A · utility

5Cited by

5References

3Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Wilhelm Weber · Neustadt, DE
Karl-Heinz Sockel · Leverkusen, DE
Volker Wiskamp · Neheim, DE
Jorg Jeremias · Bensberg, DE

Key dates

Filing date	Jan 22, 1990
Grant date	Jul 9, 1991
Priority date	—
Expiry date	Jan 22, 2010

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07F7/1804
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Materials useful as bonding agents for silicone 1K-and 2K-sealing compositions are the reaction products of 2-(aminoethyl) -aminopropyl-alkoxy silanes of the following formula: EQU H.sub.2 NCH.sub.2 CH.sub.2 NHCH.sub.2 CH.sub.2 CH.sub.2 Si(OR.sup.1).sub.m R.sup.2.sub.3-m with chlorosilanes of the following formula: EQU R.sup.3.sub.a R.sup.4.sub.b SiCl.sub.4-(a+b) wherein PA1 R.sup.1, R.sup.2, R.sup.3 and R.sup.4, independent of each other, are alkyl having 1 to 8 carbon atoms, cycloalkyl having 3 to 8 carbon atoms, alkenyl having 2 to 8 carbon atoms or cycloalkenyl having 3 to 8 carbon atoms; PA1 m is 2 or 3, PA1 a and b are 0, 1 or 2 and the sum of a and b is 0, 1 or 2.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.