Table 1. UV-visible and NIR light transmittance (%) of PBAT composite films

Films¹⁾	250 nm	300 nm	350 nm	400 nm	450 nm	500 nm	550 nm	600 nm	650 nm	700 nm	750 nm	800 nm
Neat PBAT	1.30±1.23^2)b3)	0.62±1.10^ab	1.65±1.77^c	1.28±1.08^cd	1.96±0.68^c	2.93±0.97^c	3.78±0.77^cd	5.33±0.78^cd	6.60±0.97^de	9.39±1.60^cde	11.27±3.92^cd	13.64±3.40^cd
PBAT/CaFe	0.69±0.80^b	0.87±1.11^ab	1.22±1.73^c	1.17±1.11^cd	2.31±0.98^c	3.22±1.17^c	4.51±1.46^c	6.26±1.63^cd	8.31±2.07^cd	10.40±2.71^cd	14.19±4.36^c	16.25±4.22^c
PBAT/ZBS	0.92±1.01^b	0.67±1.22^ab	2.19±2.10^c	1.77±1.19^c	2.57±1.68^c	3.38±2.05^c	4.37±2.27^c	5.55±2.68^cd	7.31±2.98^cde	7.86±4.03^de	10.98±5.67^cd	12.65±5.49^cd
PBAT/CuONPs	0.50±0.62^b	0.70±0.86^ab	0.62±0.93^c	0.34±0.48^d	0.82±0.61^d	1.59±1.25^d	2.78±1.72^d	4.57±2.58^d	6.76±3.35^de	9.18±4.01^cde	12.97±5.69^cd	15.87±5.75^c
PBAT/ZnONPs	0.60±0.96^b	1.43±1.63^b	1.30±1.65^c	1.22±1.00^cd	1.79±1.08^c	3.19±0.92^c	4.42±1.26^c	6.19±1.57^cd	8.33±1.32^cd	10.64±3.09^cd	12.86±4.59^cd	15.26±4.45^c
PBAT/MCC	0.97±1.21^b	0.83±1.22^ab	2.17±2.06^c	1.57±1.31^c	2.11±1.08^c	2.79±1.58^c	3.80±1.61^cd	4.70±1.86^d	5.83±2.45^e	7.24±2.77^e	8.95±4.92^d	10.52±4.42^d
PBAT/NCC	0.70±0.93^b	0.98±1.22^ab	1.66±1.94^c	1.65±0.91^c	2.49±0.76^c	3.80±0.84^c	5.13±0.95^c	7.11±1.10^c	9.24±1.39^c	10.97±1.81^c	14.87±3.39^c	17.14±2.94^c
HDPE	18.53±1.32^a	20.63±1.88^a	23.16±1.68^b	24.44±1.84^b	25.74±2.25^b	27.14±2.28^b	28.40±2.49^b	29.23±2.63^b	30.45±2.88^b	31.66±2.84^b	37.76±2.44^b	38.34±3.28^b
LDPE	0.33±0.04^b	0.00±0.07^c	69.65±0.30^a	74.49±0.21^a	77.26±0.29^a	79.27±0.19^a	80.79±0.22^a	82.24±0.26^a	83.74±0.30^a	84.00±0.29^a	83.22±0.45^a	83.28±0.43^a

Neat PBAT, neat poly(butylene adipate-co-terephthalate) film; PBAT/CaFe, poly(butylene adipate-co-terephthalate) composite film with 0.08 g calcium ferric layered double hydroxide; PBAT/ZBS, poly(butylene adipate-co-terephthalate) composite film with 0.08 g zinc basic salt; PBAT/CuONPs, poly(butylene adipate-co-terephthalate) composite film with 0.08 g copper oxide nanoparticles; PBAT/ZnONPs, poly(butylene adipate-co-terephthalate) composite film with 0.08 g zinc oxide nanoparticles; PBAT/MCC, poly(butylene adipate-co-terephthalate) composite film with 0.08 g microcrystalline cellulose; PBAT/NCC, poly(butylene adipate-co-terephthalate) composite film with 0.08 g nanocrystalline cellulose; HDPE, high-density polyethylene film; LDPE, low-density polyethylene film.
All values are mean±SD (n=3).
Values with the different superscript letters (^a-e) in the same column are significantly different at p<0.05 by Duncan’s multiple range test.