Bullet resistant glass/glass, glass/plastic, and plastic/plastic laminate composites

A glass/plastic laminate, comprising:

• at least one plastic sheet in parallel relation and spaced from at least one glass sheet, said plastic sheet joined to said glass sheet by a layer of adhesive polyester prepared by cross-linking a pre-polymer, said pre-polymer prepared by preparing a linear polyester oligomer by reacting a mixture comprising at least one dibasic acid selected from the group consisting of adipic acid, phthalic anhydride, nadic anhydride and maleic anhydride with at least one diol selected from the group consisting of dipropylene glycol and 2-methyl-1,3-propanediol to obtain a linear polyester oligomer having a molecular weight between about 900 and 1,200 measured by gel permeation chromatography;
• adjusting the refractive index of said linear polyester oligomer to the refractive index of float glass by adding propylene glycol to said mixture of said dibasic acid and said diol;
• and thinning said linear polyester oligomer with at least one monomer capable of cross-linking said linear polyester, said at least one monomer containing at least 60% by weight of t-butyl styrene, to obtain an adhesive polyester pre-polymer.

A plastic/plastic laminate, comprising:

• at least two parallel plastic sheets joined to each other by a layer of adhesive polyester resin prepared by cross-linking a pre-polymer, said pre-polymer prepared by preparing a linear polyester oligomer by reacting a mixture comprising at least one dibasic acid selected from the group consisting of adipic acid, phthalic anhydride, nadic anhydride and maleic anhydride with at least one diol selected from the group consisting of dipropylene glycol and 2-methyl-1,3-propanediol to obtain a linear polyester oligomer having a molecular weight between about 900 and 1,200 measured by gel permeation chromatography;
• adjusting the refractive index of said linear polyester oligomer to the refractive index of float glass by adding propylene glycol to said mixture of said dibasic acid and said diol;
• and thinning said linear polyester oligomer with at least one monomer capable of cross-linking said linear polyester, said at least one monomer containing at least 60% by weight of t-bytyl styrene, to obtain an adhesive polyester pre-polymer.