Tensile and Impact Properties of Microcrystalline Cellulose Nanoclay Polypropylene Composites

Table 2

Yield strength, elongation at break, and impact strength % loss and Young’s modulus % gain of polypropylene/nanoclay as a function of MCC wt%.

	NC wt%					NC wt%
	0.0	0.1	0.5	1.0	2.0	0.0	0.1	0.5	1.0	2.0
MCC%	Yield strength loss					Young’s modulus gain
0	0.0	−0.6	−5.7	−10.0	−11.4	0.0	3.3	21.7	43.3	48.3
0.5	−5.0	−14.5	−23.1	−30.7	−37.7	−5.0	5.4	30.2	62.7	60.6
1	−9.8	−18.8	−26.9	−34.2	−40.0	6.7	7.5	39.0	79.8	72.3
2	−14.3	−20.0	−30.6	−37.5	−42.9	5.0	9.7	48.2	95.2	83.2
5	−18.5	−26.7	−34.0	−40.6	−46.6	0.0	11.9	57.6	109.5	93.2
10	−25.7	−30.4	−34.9	−43.6	−49.2	8.3	14.1	67.3	122.7	102.4
20	−26.5	−33.8	−44.6	−46.4	−51.8	21.7	16.4	77.4	135.2	110.7
40	−32.9	−45.7	−48.6	−49.1	−57.1	18.3	18.7	63.3	120.0	138.3
MCC%	Elongation at break loss					Impact strength loss
0	0.0	−4.3	−6.5	−17.4	−18.7	0.0	4.2	−16.7	−25.0	−35.0
0.5	−4.3	−7.8	−8.3	−19.1	−21.7	−4.2	−4.2	−12.5	−20.8	−29.2
1	−3.5	−10.9	−13.0	−21.7	−23.9	−10.4	−6.3	−12.5	−24.6	−32.1
2	−8.7	−10.0	−19.6	−23.9	−27.0	−12.5	−16.7	−25.0	−27.9	−35.8
5	−13.0	−26.1	−27.4	−29.6	−33.0	−21.3	−25.0	−31.7	−31.7	−42.5
10	−26.1	−36.1	−34.8	−34.3	−37.4	−37.5	−33.3	−35.0	−36.7	−51.7
20	−60.9	−57.4	−63.0	−65.7	−65.2	−43.3	−41.7	−42.5	−47.5	−60.0
40	−67.4	−74.8	−76.1	−71.7	−76.1	−45.4	−46.7	−51.3	−60.4	−72.9