Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB4859362A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Montedison SpA
Original Assignee
Montedison SpA
Montecatini Societa Generale per lIndustria Mineraria e Chimica SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Montedison SpA, Montecatini Societa Generale per lIndustria Mineraria e Chimica SpAfiledCriticalMontedison SpA
Publication of GB961918ApublicationCriticalpatent/GB961918A/en
C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
Abstract
A composition comprises Cis-1-4-polybutadiene together with 2.5 to 50% of the total polymer mixture of polypentadiene of at least 50% cis-1-4-content. The polypentadiene is preferably of crystalline form with a cis-1-4 content above 70%. Fillers and vulcanising agents may be added to the mixture which may be vulcanised.