The use as a C10- arukanoruarukokishireto blend and the penetrant where the bubbles are few

摘要

As for alkoxy rate blend general formula (i):C₅ H₁₁ CH (C₃ H₇) CH₂ O (B) _p (A) _n (B) _m (A) _qH (i)To contain alkoxy rate, in formula, A to be the ethylene oxy, B to be C₃ - C₁₀ - alkylene oxy or that blend in the respective independence, basis A and B in the order which is stated to exist in the form of block, p to be number 0 - 10, n to be larger than 0 to be the quantity up to 20, m to be larger than 0 to be the quantity up to 20, q to be larger than 0 to be the quantity up to 10, p+n+m+q to be 1 at least, at that time, in the blendAlkoxy rate A1 (in formula, C₅ H₁₁ n-C5H11 is) 70 - 99 mass % and alkoxy rate A2 (in formula, C₅ H₁₁ exists C₂ H₅ CH (CH₃) CH₂ and/or CH₃ CH (CH₃) CH₂ CH₂ is) 1 - 30 mass %.