Preparation of recyclate polyols

Details Preparation of recyclate polyols Preparation of recyclate polyols

1995-10-06

1996-09-17

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Process of treating scrap or waste product containing solid...

C08J 1104

Patent

active

055568890

ABSTRACT:
The invention relates to a process for the preparation of recyclate polyols by reacting rigid polyurethane foam with short-chain hydroxyl-containing compounds, which comprises adding at least one epoxidized native fatty oil to the reaction mixture after glycolysis at a temperature from 10.degree. to 80.degree. C. below the glycolysis temperature.

REFERENCES:
patent: 4316992 (1982-02-01), Gerlock et al.
patent: 5274004 (1993-12-01), van der Wal et al.
patent: 5300530 (1994-04-01), Machado et al.

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