FIELD: chemistry.
SUBSTANCE: family of new crystalline molecular sieves, defined as SSZ-91, as well as methods for preparation of SSZ-91, and the use of SSZ-91 are disclosed. SSZ-91 molecular sieve is structurally similar to sieves of ZSM-48 molecular sieve family, and it is characterized as: having a low degree of defectiveness, a low shape coefficient, which inhibits hydrocracking compared to usual ZSM-48 materials having a shape coefficient of more than 8, and it is essentially phase-pure.
EFFECT: obtaining SSZ-91 molecular sieve.
16 cl, 12 dwg, 12 tbl
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