Kraton D-1107 Copolymer based on styrene and isoprene Kraton Polymers Styrene Insoluble in water KRATONTM D-1107 Polymer is a clear linear block copolymer based on styrene and isoprene with bound styrene of 15% mass. KRATON D-1107 Polymer is used in formulating adhesives, sealants and coatings, and as a modifier of bitumen. Clear linear block copolymer based on styrene and isoprene. Used in formulating coatings.