摘要:
It is intended to obtain organopolysiloxane capable of forming a cured product having a good balance among properties, i.e., hardness, gas barrier, thermal yellowing resistance, light resistance, heat and cold shock resistance, and adhesion to a base material. The present invention provides organopolysiloxane comprising one or more unsaturated bond-containing group(s) in one molecule and having constitutional units F1, M1, and T in any combination of (i) F1 and M1, (ii) F1 and T, and (iii) F1, M1, and T: F1: M1: T : €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ (R 1 SiO 3/2 ) c €ƒ€ƒ€ƒ€ƒ€ƒ(3) wherein R 1 represents any selected from the group consisting of a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 10 carbon atoms, a substituted or unsubstituted aryl group, and a substituted or unsubstituted aralkyl group; R 2 represents an unsaturated bond-containing group having 2 to 10 carbon atoms; X represents a divalent hydrocarbon group having 2 to 10 carbon atoms; Y represents a divalent hydrocarbon group having 2 to 10 carbon atoms; and a, b, and c each independently represent an integer of 1 or larger, wherein F1 represents a unit constituting cyclic organopolysiloxane.
摘要翻译:它的目的是获得能够形成具有场所之间的良好平衡的固化产物的有机聚硅氧烷,即,硬度,阻气性,抗热黄变性,耐光性,耐热性和冷休克,和粘附在基材上。 本发明提供的有机聚硅氧烷在一个分子中包含一个或多个不饱和键的基团(S)和具有(i)中F1和M1的任何组合的结构单元F1,M1,和T,(ⅱ)F1和T,和( ⅲ)F1,M1,和T:F1:M1:T:ƒ€€€ƒƒƒ€€€ƒƒƒ€€ƒ(R 1的SiO 3/2)C€€ƒƒƒ€€€ƒƒ (3)worin,R 1 darstellt任何选自具有1至10个碳原子的substituiertem奥德unsubstituiertem烷基中选择的,具有3至10个碳原子,substituiertem奥德unsubstituiertem芳基和substituiertem一个substituiertem奥德unsubstituiertem环烷基 unsubstituiertem或芳烷基; R 2具有2至10个碳原子的含不饱和键的基团的darstellt; X表示具有2-10个碳原子的二价烃基; Y表示具有2-10个碳原子的二价烃基; 且a,b和c各自独立地表示上的1或更大的整数,worin F1 darstellt构成环状有机聚硅氧烷的单元。