POLYOLEFIN RESIN CRYSTALLIZATION NUCLEATING AGENT, POLYOLEFIN RESIN NUCLEATING AGENT COMPOSITION, POLYOLEFIN RESIN MASTERBATCH, POLYOLEFIN RESIN COMPOSITION, MOLDED ARTICLE, POLYOLEFIN RESIN FILM, METHOD OF MAKING POROUS FILM AND PACKAGING Russian patent published in 2024 - IPC C08L23/00 C08K5/20 C08J3/22 C08J5/18 B65D63/00 

FIELD: chemistry.

SUBSTANCE: group of inventions relates to a polyolefin resin crystallisation nucleating agent, a polyolefin resin nucleating agent composition which contains a crystallisation nucleating agent, a polyolefin resin masterbatch, and a polyolefin resin composition, as well as a molded article from the composition, a film from the composition, a method of producing a porous film and packaging. Polyolefin resin crystallisation nucleating agent includes a compound represented by following formula (1):

where M is an atom of a monovalent - trivalent metal having a specific gravity of 4.0 or less, or an atom of a divalent or trivalent metal, bonded with a hydroxyl group, having specific gravity of 4.0 or less, selected from a group comprising: sodium, calcium or hydroxyaluminium; is 1 or 2; b is 1; x is integer 1 or 2; ax = 2b is performed; and Z is any of the following groups:

EFFECT: providing a nucleating agent for crystallisation of a polyolefin resin, which has a suitable formation effect β-crystals.

20 cl, 9 tbl, 70 ex