RE/CHHCJLD Everywhere Performance Matters interoffice communication TO:Shi Yang

MS 3100 FROM:Eric Thompson c:Glenn Petschke LOCATION:RTP Date: May 06, 2013 SBU

: Coatings SUBJECT: Solvent Free WB OMU Request No. Analytical No. Sample Name 201304041 201304041-001 TEST: GPC SAMPLE BACKGROUND: The sample submitted with the attached analytical request was analyzed using conventional GPC to determine the apparent molecular size in solution. EXPERIMENTAL INFORMATION: The sample was analyzed using size exclusion liquid chromatography with athree-column bank employed to separate species by molecular size in solution. The mobile phase was tetrahydrofuran. The columns and detectors weremaintained at 40CC. The calibration of the system was accomplished using monodisperse polystyrene standards, thus the values reported arerelative rather than absolute to polystyrene. The molecular weight rangeof the standards was2 million to 162 Daltons. Please note that reported values are accurate and reproducible only to three significant figures; instrument software will not allow analysts to delimit the number of significant figures in the system. RESULTS AND DISCUSSION: Please note that a portion of the low end of the distribution had to be excluded asit fell outside the low end calibration rangelimit of -26.5 minutes. A copyof the analytical request and the chromatogram with the table of data has been attached to the report that is forwarded to the sponsorand the original is placed in the Analytical sample file. Should a copyof the chromatogram and molecular weight data be needed either asahard copyorin aWord document, please contact E. Thompson. Analytical time:

1 hour _....:___Waters Project Name Default!Q Reported by User PAMELA SAMPLE INFORMATION Sample Name 04041-001 Acquired By: PAMELA Sample Type Broad Unknown Date Acquired 5/1/2013 1204

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### Page: 4 of 5Waters Project Name Default!:Q Reported by User PAMELA SllceMW (Daltons) 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 Slice LogMW Relative Distribution Table Mp: 10918Name: Broad Slice Slice Volume Area dwt/dOogM) (ml) Cumulative% Report Method Broad Unknown Relative Printed1

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