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References in periodicals archive ?
Mean TDDM varied between sunny and cloudy days by about 20 m per day for Chrysemys picta residing in a shallow marsh in northern Michigan (Rowe and Dalgarn, 2009).
Mean TDDM as measured between consecutive days in our study seemed relatively small (mean = 9.5 m) when compared to values reported for C.
From the result, it could be found that the grafting degree and the molecular weight of SAN copolymers decreased with the TDDM content.
[M.sub.w] of SAN Core-shell Composition TDDM Grafted on the Sample ratio of St/AN Content PB rubber (wt/wt) (wt/wt) (wt%)(a) (g/mol) ABS-TDDMO 40/60 75/25 0 7.006 X [I0.sup.4] ABS-TDDM0.3 40/60 75/25 0.3 ABS-TDDM0.8 40/60 75/25 0.8 6.322 x[I0.sup.4] ABS-TDDM1.5 40/60 75/25 1.5 ABS-TDDM2.0 40/60 75/25 2.0 5.250 X [I0.sup.4] Molecular weight.
Effect of TDDM Content on the Morphology of CPVC/ABS Blends
2, it could be found that the dispersion of ABS domains all performed uniform dispersion, which mean that the TDDM could not obviously alter the morphology of CPVC/ABS blends.
Figure 4 shows tan [delta] curves of CPVC/ABS blends of different TDDM content in ABS.
Wu ABS Wight percentage of TDDM in [T.sub.g] [T.sub.g] [DELTA] [T.sub.g.sup.b] (SAN) (CPVC) ABS (%) ([degrees]C) ([degrees]C) ([degrees]C) ([degrees]C) 0 113.6 137.2 23.6 116.3 0.8 1 16.5 135.7 19.2 114.5 2.0 119.1 131.7 12.6 111.2 (a)[DELTA][T.sub.g], = [T.sub.g] (CPVC) - [T.sub.g] (SAN).
Figure 5 shows the storage modulus of the CPVC/ABS blends on temperature of different TDDM content tested by DMA.
Figure 6 showed the notched impact strength and the tensile strength of the CPVC/ABS blends as function of the TDDM content.
Figure 7 displayed the elongation of the CPVC/ABS blends at break as function of the TDDM con-tent.
Positive correlations between TDDM and [T.sub.w] in 2005 were primarily due to data that were obtained during early summer (before 27Jun., see above; lnTDDM vs.