1 Polymer composite as an additive for asphalt or bitumen for use in the road construction industry and for the production of bituminous materials that are used as sealant, adhesive, and insulation material; Additives, namely, polymers and polymeric additives for the modification of asphalt or bitumen for use in the road construction industry and for the production of bituminous materials that are used as sealant, adhesive, and insulation material