Omupiira gwa butadiene ogukolebwa enkola ya rare earth catalysis system gulina molecular chain regularity eya waggulu n’obuzito bwa mooney obw’oku ntikko, ekiraga nti olujegere lwa molekyu lulina omuwendo ogugere ogw’amatabi amawanvu ag’olujegere, ekiraga nti ddiguli ya linearity esingako. okugatta ku ekyo, ensaasaanya y’obuzito bwa molekyu y’omuddiring’anwa gwa nickel efunda okusinga ey’omuddiring’anwa gw’ettaka ogutatera kulabika{1}}.
By comparison, the rare earth catalyzed polymerization of butadiene rubber has a high cis structure, less branched, no gel, so it has a good linear structure, known as high dimensional regularity of butadiene rubber.It can produce strong crystallization under the action of stretching, that is, with "stress crystallization ability, which gives rare earth butadiene rubber high self-viscosity, good tensile properties and advantages of abrasion resistance and Okuziyiza obukoowu, nga omupiira ogusooka okukola emipiira egy’omutindo ogwa waggulu.