Polyolefin materials, methods for their preparation and their use

By using nickel phosphosulfonate catalyst to catalyze the solution polymerization of ethylene and functional monomers, polyolefin materials containing polar groups were prepared, solving the problem of the lack of polarity in vinyl polyolefin materials and expanding their application range. In particular, they exhibited excellent adhesion and power generation performance in encapsulation films in the field of photovoltaic power generation.

CN117247486BActive Publication Date: 2026-07-10WANHUA CHEM GRP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
WANHUA CHEM GRP CO LTD
Filing Date
2023-09-26
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Existing vinyl polyolefin materials lack polarity, which limits their expansion in emerging fields such as photovoltaic power generation, and existing preparation methods are either economically inefficient or limited to the field of modification.

Method used

Functional polar polyolefin materials containing carbon-carbon double bonds and ether bonds were prepared by solution polymerization of functional monomers A and B in a solvent using nickel phosphosulfonate catalyst. The compatibility with polar materials was improved by introducing polar groups such as ester groups, epoxy groups, and amino groups.

Benefits of technology

It improves the polarity and compatibility of polyolefin materials, enhances adhesion to inorganic materials, and is suitable for thermoplastic encapsulation films in the photovoltaic field, improving adhesion strength to glass and solar cells and power generation.

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Abstract

The application relates to a preparation method of a polyolefin material and application thereof, and the preparation method comprises the following steps: carrying out solution polymerization reaction on ethylene, functional monomer A and functional monomer B in a solvent in the presence of a phosphorus sulfonic acid nickel catalyst, carrying out devolatilization drying after the reaction is completed, and granulating to obtain the polyolefin material; the polymer obtained by the preparation method has excellent polarity, the polarity of the polyolefin and the compatibility with other materials are improved, the bonding performance and the surface tension are increased, and the polyolefin material can be applied to multiple fields such as polymer modification and solar power generation.
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