Emission-free silicone rubber compounds

A composition for a silicone rubber, the composition comprising:

• a crosslinker mixture, wherein the crosslink mixture is obtainable by reaction of:
• (HX(CRc2)oY(CRc2)oX(CRc2)o)4-pSiKp, wherein
• X, at each occurrence, is independently O, NRb, S, or PRb;
• Rb, at each occurrence, is independently hydrogen, trialkylsilyl, or a saturated or unsaturated hydrocarbon;
• Y, at each occurrence, is independently a C—C bond, CRc2, O, NRe or PRe;
• Rc, at each occurrence, is independently hydrogen or a saturated or unsaturated hydrocarbon;
• and
• Re, at each occurrence, is independently H or a saturated or unsaturated hydrocarbon;
• K, at each occurrence, is independently Cl, ORd or ON═CRg2;
• Rd, at each occurrence, is independently a saturated or unsaturated hydrocarbon;
• and
• Rg, at each occurrence, is independently a saturated or unsaturated hydrocarbon;
• o, at each occurrence, is independently an integer from 1 to 8;
• and
• p, at each occurrence, is independently 2 or 3;
• a metal catalyst;
• and
• amino silane.

A composition to be cured into silicone rubber, comprising

• at least one crosslinker of the formula (X(CRc2)oZ(CRc2)oZ(CRc2)o)Si, wherein
• Z, at each occurrence, is independently N, P, N(CRc2)oX, or P(CRc2)oX;
• X, at each occurrence, is independently O, NRb, S, or PRb;
• Rc, at each occurrence, is independently hydrogen or a saturated or unsaturated hydrocarbon;
• and
• o, at each occurrence, is independently an integer from 1 to 8;
• at least one metal catalyst;
• and
• at least one amino silane.