Atlanta, Georgia. IPST Project A Summary Report THE LIBRARY OF CONGRESS

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1 ITITUT OF R CIC D TCHOOGY tlanta, Georgia FFCT OF GIG TI O RORTI OF TRTD D UTRTD R IT roject ummary Report to TH IBRRY OF COGR Information contained herein is furnished for your internal use only and is not to be disseminated or disclosed outside your company nor copied or otherwise reproduced without the express written permission of the Institute of aper cience and Technology. June,

2 roject ddendum Report TB OF COTT ITRODUCTIO TT RUT IT Fold lkaline Reserve o. verage Degree of olymerization Individual Fold Data ppendix

3 roject -- ddendum Report ITRODUCTIO The ummary Report (pril, ) on IT roject gives the results of tests on control and treated papers. Results are included for unaged samples, and for samples which had been subjected to accelerated aging for various periods up to. The IT Fold results in the ummary Report are for specimens which had been subjected to a tension of kg. during the test. This ddendum Report gives IT Fold results for specimens which had been subjected to a tension of / kg. during the test. This ddendum Report also includes some retest data for lkaline Reserve measurements, and computed values of umber verage Degree of olymerization. The latter were computed from the Viscosity data given in the ummary Report.

4 roject -- ddendum Report TB I D IT FOD DT (double folds) T / KG TIO ging o. RC RT CC CT C T C T verage td Dev verage td Dev verage - td Dev verage td Dev verage td Dev verage td Dev verage td Dev verage td Dev RGRIO TTITIC (based on log fold data) R quared Coefficient td rr Constant......

5 roject -- ddendum Report TB II ging o. CD IT FOD DT (double folds) RC RT CC CT T / KG TIO C T ic T verage td Dev verage td Dev verage td Dev verage td Dev verage td Dev verage td Dev verage td Dev verage td Dev RGRIO TTITIC (based on log fold data) R quared Coefficient td rr Constant

6 roject -- ddendum Report. lum Rosin ized U, C ). -a U- Y ) ging Days -.- Control -e-treated I Fig. -R ffect of ging Time on log D Folding ndurance... ( ) ging Days -.- Control -etreated Fig. -R ffect of ging Time on log CD Folding ndurance.

7 roject -- ddendum Report C t) C -. ). - o ) -J - ging Days - Control -- Treated Fig. -C ffect of ging Time on log D Folding ndurance. C.-. ~-. -V ). ging Days -- Control -e-treated Fig. -C ffect of ging Time on log CD Folding ndurance.

8 - roject -- ddendum Report. ewsprint I -' I,. - n.. C I ging Days -- Control -e- Treated Fig. - ffect of ging Time on log D Folding ndurance. '). C - C] - O _J. ging Days -*-Control - Treated Fig. - ffect of ging Time on log CD Folding ndurance.

9 roject -- ddendum Report TB III ging o. KI RRV DT (% CaCO ) RC RT CC CT C T C T verage Range verage Range verage Range verage Range verage Range verage Range verage Range verage Range RGRIO TTITIC R quared Coefficient td rr Constant OT: There was insufficient sample to retest the material for ample T. - and -day aged

10 roject -- ddendum Report... a) ) s) a). c. <;.. ging -*- Control --Treated Fig. -R ffect of ging Time on lkaline Reserve. CO ( - u a) a) co ) a: ) C (U... / \ Clear prinq Offset \YZ I---- I I -- I I ging -- Control - Treated I *- - Fig. -C ffect of ging Time on lkaline Reserve.

11 roject -- ddendum Report. ewsprint o ( - ) C (I _d. - - I - ==- -F--, ging -- Control -etreated Fig. - ffect of ging Time on lkaline Reserve. ote: There was insufficient material to retest the - and -day treated samples. The plotted data points for these are calculated from the regression constants. CO o o a) ) C -i <I.... Fig ging -- Control -- Treated ffect of ging Time on lkaline Reserve.

12 roject -- ddendum Report TB IV ging o. umber verage RC RT Degree CC of olymerization CT C T C T verage verage verage verage verage verage verage verage OT: umber average as follows: degree of polymerization (Dn) calculated Dn =. * log(viscosity) -.

13 roject -- ddendum Report o lum Rosin ized ' ) ' ) a) ) ) ) ) )D a) ' Z ging + Control -- Treated Fig. -R ffect of ging Time on o verage Degree of olymerization. C a) TO (- Q < ) a) a) ging - Control -etreated Fig. -C ffect of ging Time on o verage Degree of olymerization.

14 roject -- ddendum Report c = ()D I Ž O ) a) a) Z ging -- Control -e-treated Fig. - ffect of ging Time on o verage Degree of olymerization. o - ) a). a- - D - Z - ging - Control -etreated Fig. - ffect of ging Time on o verage Degree of olymerization.

15 roject -- ddendum Report ITITUT OF R CIC D TCHOOGY ubmittted by: Rog H. an pereg Group eader aper nalysis Group eader nalytical Chemistry pproved by: Research ervices Division

16 roject -la- ddendum Report ging o. TB I D IT FOD DT (double folds) T / KG TIO RC RT CC CT C T C T verage td Dev ging o. CD IT FOD DT RC RT (double folds) T / KG TIO CC CT C T C T verage td Dev

17 ddendum Report TB I (cont) D IT FOD DT o. verage td Dev RC RT CD IT FOD DT o. verage td Dev RC RT (double folds) CC CT (double folds) CC CT T / KG TIO C T C T / KG TIO C T C ging T ging T l roject -a-

18 roject -a- ddendum Report ging o. TB I (cont) D IT FOD DT (double folds) T / KG TIO RC RT CC CT C T C T verage td Dev ging o. CD IT FOD DT (double folds) RC RT CC CT C T / KG TIO T C T verage td Dev

19 roject -a- ddendum Report TB I (cont) ging o. D IT FOD DT RC RT (double folds) T / KG TIO CC CT C T C T verage td Dev ging o. CD IT FOD DT RC RT (double folds) T / KG TIO CC CT C T C T verage td Dev

20 roject -a- ddendum Report ging o. TB I (cont) D IT FOD DT (double folds) T / KG TIO RC RT CC CT C T C T verage td Dev ging o. CD IT FOD DT (double folds) RC RT CC CT C T / KG TIO T C T verage td Dev

21 roject -a- ddendum Report ging TB I (cont) D IT FOD DT (double folds) o. RC RT CC T / KG TIO CT C T C T verage td Dev ging o. CD IT FOD DT (double folds) T / KG TIO RC RT CC CT C T C T verage td Dev

22 roject -a- ddendum Report ging D IT FOD DT o. RC RT TB I (cont) (double folds) T / KG TIO CC CT C T C T verage td Dev ging CD IT FOD DT oo RC RT (double folds) T / KG TIO CC CT C T C T verage td Dev

23 roject -a- ddendum Report TB I (cont) ging D IT FOD DT (double folds) T / KG TIO o. RC RT CC CT C T C T verage td Dev ging o. CD IT FOD DT RC (double folds) RT CC CT T / KG TIO C T C T verage td Dev