Compound, composition, surface treatment agent, article and method for producing article

Abstract

Provided are a novel compound and a composition that are useful as a surface treatment agent capable of forming a surface treatment layer that exhibits excellent abrasion resistance on a substrate.　The compound is represented by formula (1-1) or formula (1-2).　Formula (1-1): T-O-(Si(R2)2-O)ma-Si(R2)2-L1-L2-A-(Si(R)nL3-n)q. Formula (1-2): (L3-n(R)nSi)q-A-L2-L1-(Si(R2)2-O)mb-Si(R2)2-L1-L2-A-(Si(R)nL3-n)q