Europe’s roofing industry used more insulation, leading to wider temperature extremes and movement in roofing structure. Stronger, more flexible roofing felt made from SBS-modified asphalts became popular.
First dedicated block copolymer plant was constructed in 1971 in Belpre, Ohio.
Several Kraton D polymer grades from Belpre’s new K-1 plant were commercialized.
Five mph bumper law passed, leading to the first successful commercial automotive application of HSBC as a fascia for the 1974 AMC Matador.
Hydrogenated diblock copolymers were commercialized as a viscosity index improver in motor oil and justified construction of the first large scale Kraton G plant in Belpre.
New hot-melt pressure-sensitive adhesive technology featuring SIS Kraton™ D polymers was launched.
Kraton helped form Tappi hot-melt Adhesives Conference, creating industry forum to share hot-melt adhesive technology.