Water-based hybrid pressure sensitive adhesive composition and method of producing the same

US12024658B2 · kind B2 · utility

Assignees

• Dow Silicones Corporation · US
• Rohm and Haas Company · US

Inventors

• Ruihua Lu · Shanghai, CN
• Li Ding · Singapore, SG
• Zhaohui Qu · Shanghai, CN
• Yan Zhou · Montville, US
• Zhihua Liu · Beijing, CN
• Bochi Xu · Shanghai, CN
• Rongrong Fan · Shanghai, CN

Key dates

• Filing date: Jun 12, 2018
• Grant date: Jul 2, 2024
• Expiry date: Jul 12, 2040

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09J2483/00
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Provided herein is a water-based hybrid pressure sensitive adhesive composition and a method of producing the same. The composition comprises: (A) 100 parts by mass of a silicone pressure sensitive adhesive; (B) 5 to 80 parts by mass of an acrylic pressure sensitive adhesive; (C) water in a sufficient amount to emulsify or disperse components (A) and (B) in component (C); and (D) 0.1 to 10 parts by mass of an amino-functional alkoxysilane compound, a hydrolysate thereof, or a hydrolyzed condensate thereof. Components (A) and (B) are emulsified or dispersed in component (C). The composition can be cured to form a pressure sensitive adhesive exhibiting good peel adhesion and low silicone migration.