Ultraviolet ray-curable silicone adhesive agent composition, and method for producing laminate

An ultraviolet-curable silicone composition comprising:

• (A) a branched organopolysiloxane represented by average unit formula (1) below
• (R1SiO3/2)a1(R13SiO1/2)b1(X1O1/2)c1 (1)
• wherein each R1 is independently a substituted or unsubstituted monovalent hydrocarbon group, with at least 80 mol % of the occurrences of R1 being methyl groups and the balance being vinyl groups;
• X1 is a hydrogen atom or an alkyl group, a1 is a number from 0.1 to 1, b1 is a number from 0 to 0.75, c1 is a number from 0 to 0.1, and a1+b1+c1=1;
• (B) a linear organopolysiloxane represented by average unit formula (2) below
• (R23SiO1/2)a2(R22SiO)b2 (2)
• each R2 is independently a substituted or unsubstituted monovalent hydrocarbon group, with at least 20 mol % of the occurrences of R2 being methyl groups and from 0.01 to 25 mol % being alkenyl groups;
• a2 is a number from 0.001 to 0.67, b2 is a number from 0.33 to 0.999;
• and a2+b2=1 in an amount of from 0 to 5,000 parts by weight per 100 parts by weight of component (A);
• (C) an organohydrogenpolysiloxane of average compositional formula (3) below that has at least two Si—H groups per molecule
• R3dHeSiO[(4-d-e)/2] (3)
• wherein each R3 is independently a substituted or unsubstituted monovalent hydrocarbon group exclusive of aliphatic unsaturated hydrocarbon groups, and ‘d’ and ‘e’ are numbers which satisfy the conditions 0.7≤d≤2.5, 0.01≤e≤1.0 and 0.8≤d+e≤2.7 in an amount such that the molar ratio of hydrosilyl groups included in component (C) to alkenyl groups included in components (A) and (B), expressed as hydrosilyl/alkenyl, is from 0.8 to 2.0;
• and
• (D) a platinum metal catalyst that is activated by light having a wavelength of between 200 and 500 nm.