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US 2026/0265483 A1Published application
Monomer composition for synthesising recycled plastic, preparation method thereof, recycled plastic, and molded product using the same
AssigneeLG Chem, Ltd.
InventorsJeongbin LEE, Eunju PARK, Ki Jae LEE, Jungmoon BAE, Joong Jin HAN, Mooho HONG
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Abstract
The present disclosure relates to a monomer composition for synthesizing recycled plastic which contains a high-purity aromatic diol compound recovered through recycling by chemical decomposition of a polycarbonate-based resin, a method for preparing the same, and a recycled plastic, and molded product using the same.
Claims8
A monomer composition for synthesizing recycled plastic, comprising:
- an aromatic diol compound;
- and
- diethyl carbonate as by-product,
- wherein the monomer composition is a recovered product from a polycarbonate-based resin, and
- wherein a recovery rate of diethyl carbonate according to the following mathematical formula is 82% or more:
- [
- Mathematical
-
- Formula
- ]
- Recovery
-
- rate
-
- of
-
- diethyl
-
- carbonate
- =
- {
- (
- Number
-
- of
-
- moles
-
- of
-
- diethyl
-
- carbonate
-
- recovered
- )
- /
- (
- Number
-
- of
-
- moles
-
- of
-
- diethyl
-
- carbonate
-
-
- in
-
- entire
-
- by
- -
- product
-
- mixture
- )
- }
- ×
- 100.
61 more elements
Dependencies are inferred from the claim text.