Method for adhering cured silicones to low energy plastics and composite prepared by the method

The method of any one of the preceding claims, where a) the organoboron compound is selected from the group consisting of:

• i) an organoborane-organonitrogen compound complex, ii) an organoborate containing at least one B—C bond, and iii) both i) the organoborane-organonitrogen compound complex and ii) the organoborate containing at least one B—C bond.

The method of any one of the preceding claims, where starting material b), the organosilicon compound having, per molecule, at least one hydrolyzable group and at least one free radical reactive group, is present and starting material b) is a silane of formula R1mRnSiX(4-m-n), where each R is independently a monovalent hydrocarbon group of 1 to 18 carbon atoms, each R1 is a methacryl-functional alkyl group or an acryl-functional alkyl group, each X independently represents a hydrolyzable group selected from an acetamido group, an acyloxy group such as acetoxy, an alkoxy group, an amido group, an amino group, an aminoxy group, an oximo group, a ketoximo group, and a methylacetamido group, subscript m is 1 to 2, subscript n is 0 to 2, and a quantity (m+n) is 2 to 3.

The method of any one of the preceding claims, where starting material c) the organoborane liberating compound is present, and starting material c) is selected from the group consisting of:

• i) an acid, ii) an aldehyde, iii) an isocyanate, iv) an epoxide, v) an acid chloride, vi) an anhydride, vii) an acyloxysilane, viii) an acyloxysiloxane, ix) a halosilane, x) a halosiloxane, xi) a carboxylic acid functional silane, xii) a carboxylic acid functional siloxane, xiii) an anhydride functional silane, xiv) an anhydride functional siloxane, xv) an epoxy functional silane, xvi) an epoxy functional siloxane, xvii) a sulphonyl chloride, and a combination of two or more of i), ii), iii), iv), v), vi), vii), viii), ix), x), xi), xii), xiii), xiv), xv), xvi), and xvii).