Composition including a polyorganosiloxane and an amino-functional silane and method of using the same

US12421421B2 · kind B2 · utility

Assignee

• 3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

• Audrey A. Eigner · White Bear Lake, US
• Jon P. Nietfeld · Woodbury, US
• Chad M. Amb · Roberts, US
• Steven J. McMan · Stillwater, US
• Ara Z. Nercissiantz · Los Angeles, US
• Allison E. Strong · Warrenville, US
• John A. Luekemeyer · Jurupa Valley, US
• Derrick Y. Tarn · Santa Ana, US

Key dates

• Filing date: Jul 30, 2020
• Grant date: Sep 23, 2025
• Expiry date: Aug 4, 2042

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L83/04
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The composition includes a polyorganosiloxane and an amino-functional silane. The polyorganosiloxane has divalent units represented by Formula (I) and greater than two —Si(Y)p(R)3-P groups, in which each R is a non-hydrolyzable group; each Y is a hydrolysable group; and p is 1, 2, or 3. The composition further includes an amino-functional silane represented by (R6)2N—[R4—Z]r—R4—[Si(Y)p(R5)3-P] or a cyclic azasilane of Formula (II). Each R4 is a linking group; each R5 is a non-hydrolyzable group; each Z is —O— or —N(R6)—; each R6 is hydrogen, alkyl, aryl, arylalkylenyl, or —R4—[Si(Y)p(R5)3-P]; R7 is a linking group that can have at least one catenated —N(R8)—; each R8 is hydrogen, alkyl, or alkenyl, which may be substituted by an amino group; each Y is a hydrolyzable group; r is 0, 1, 2, or 3; and p is 1, 2, or 3. A method of using the composition to make a coated article is also described.