Cellulose ester resin composition

The cellulose ester resin composition with a specific polyhydric hydroxyl compound addresses the issues of stickiness and transparency in molded articles by enhancing plasticity and mechanical properties.

JP2026085902APending Publication Date: 2026-05-25SANYO CHEM IND LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
SANYO CHEM IND LTD
Filing Date
2025-11-12
Publication Date
2026-05-25

AI Technical Summary

Technical Problem

Cellulose ester compositions used in molded articles often exhibit surface stickiness and low transparency due to their low thermoplasticity.

Method used

A cellulose ester resin composition comprising a cellulose ester resin and a polyhydric hydroxyl compound represented by the formula H-(OA)n1-O-C6H4-X-C6H4-O-(AO)n2-H, where n1 + n2 = 3 to 8, X is a methylene or dimethylmethylene group, and A is an ethylene or methylethylene group, is used to enhance transparency and reduce surface stickiness.

Benefits of technology

The composition produces highly transparent molded articles with improved plasticity and mechanical properties, free from surface stickiness.

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Abstract

The object of the present invention is to provide a cellulose ester resin composition that yields molded articles that are not sticky on the surface and have high transparency. [Solution] A cellulose ester resin composition is used, which includes a cellulose ester resin and a polyvalent hydroxyl compound represented by the following general formula (1). H-(OA) n1 -O-C6H4-X-C6H4-O-(AO) n2 -H (1) [C6H4 is a residue obtained by removing two hydrogen atoms from benzene, X is a methylene group or a dimethylmethylene group, A is an ethylene group or a dimethylethylene group, and n1 and n2 are integers from 1 to 7 that satisfy n1 + n2 = 3 to 8.]
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