Cantor Colburn LLP
Rigid polyurethane foam and preparation method thereof
A rigid polyurethane foam which is a polymerization product of a composition including a concentrated acid hydrolytic lignin, a polyol, and an isocyanate, and a method of preparing the rigid polyurethane foam.
CJ CHEILJEDANG CORPORATION
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Sang Mok Jung Min Min Ho Jeung Yil Jin Hwa Da Eun Sun Joo Young Ran
Lee Kim Jung Park Chang Kim Moon Kim