THERMOPLASTIC PLASTICISED MODIFIED CELLULOSE ACETATE AND METHOD OF PRODUCING THERMOPLASTIC PLASTIFIED MODIFIED CELLULOSE ACETATE Russian patent published in 2017 - IPC C08B3/06 C08L1/12 

Abstract RU 2624692 C1

FIELD: chemistry.

SUBSTANCE: thermoplastic plasticised modified cellulose acetate consists of cellulose acetate, a low-molecular plasticiser, a stabiliser, a reactive modifying agent-oligoether diisocyanate. As the oligoether diisocyanate, the reaction product of polyethylene-polybutylene glycol adipate with a molecular weight of 1500-2500 with MDI is used at a molar ratio of oligoether diisocyanate to cellulose acetate equal to (1:0.4 to 1:4). In a particular embodiment of the invention, the thermoplastic plasticized modified cellulose acetate contains dyes and fillers. The invention also relates to a process for the production of thermoplastic plasticised modified cellulose acetate, which is carried out in a single rotary-type mixer at a temperature of 155-165°C.

EFFECT: increasing physicomechanical and thermophysical properties of products based on thermoplastic plasticised modified cellulose acetate, which are preserved during their long-term operation.

3 cl, 1 tbl

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RU 2 624 692 C1

Authors

Fridman Oleg Andreevich

Sorokina Aida Veniaminovna

Dates

2017-07-05Published

2016-04-18Filed