Invention Application
- Patent Title: METHOD OF PREPARING BIPHENYL-4-YL DIPHENYL PHOSPHATE COMPOSITION
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Application No.: PCT/KR2011/005138Application Date: 2011-07-13
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Publication No.: WO2012008744A3Publication Date: 2012-01-19
- Inventor: JANG, Won Seok , KIM, Won Yeob , KIM, Myoung Lae
- Applicant: SK INNOVATION CO.,LTD. , JANG, Won Seok , KIM, Won Yeob , KIM, Myoung Lae
- Applicant Address: 99, Seorin-dong, Jongno-gu Seoul 110-110 KR
- Assignee: SK INNOVATION CO.,LTD.,JANG, Won Seok,KIM, Won Yeob,KIM, Myoung Lae
- Current Assignee: SK INNOVATION CO.,LTD.,JANG, Won Seok,KIM, Won Yeob,KIM, Myoung Lae
- Current Assignee Address: 99, Seorin-dong, Jongno-gu Seoul 110-110 KR
- Agency: KWON, Oh-Sig et al.
- Priority: KR10-2010-0067689 20100714
- Main IPC: C07F9/141
- IPC: C07F9/141 ; C09K21/12
Abstract:
Provided is a method of preparing a biphenyl-4-yl diphenyl phosphate composition for use as a flame retardant or a plasticizer for resin, including mixing phosphoryl chloride (POCl 3 ), 4-phenylphenol, and a catalyst, so that first dehydrochlorination occurs; and further adding phenol, so that second dehydrochlorination occurs.
Information query
