From Hydrocarbon Containing Four Or More Carbon Atoms Patents (Class 524/579)
  • Fatty acid amide nucleating agents for butene-1 polymer compositions
    Patent number: 4322503
    Abstract: The crystallization from the melt of an isotactic butene-1 homopolymer composition or isotactic butene-1-ethylene copolymer composition is promoted by adding a small amount of a nucleating agent selected from the group consisting of N,N'-ethylene-bis-stearamide and stearamide.
    Type: Grant
    Filed: December 15, 1980
    Date of Patent: March 30, 1982
    Assignee: Shell Oil Company
    Inventor: Ananda M. Chatterjee
  • Melt crystallization of butene-1 polymers
    Patent number: 4321334
    Abstract: A crystallizable thermoplastic composition is prepared by adding a small amount of substantially graphitic non-turbostratic carbon to an isotactic butene-1 homopolymer or copolymer with ethylene.
    Type: Grant
    Filed: September 4, 1980
    Date of Patent: March 23, 1982
    Assignee: Shell Oil Company
    Inventor: Ananda M. Chatterjee