Figure 1
Appearance morphology of the siderite tailings powder.
Figure 2
The particle size distribution histogram of the siderite tailings powder.
Figure 3
Synthesis process diagram of stone paper.
Table 1
Component content of siderite tailings-based stone paper under different calcium stearate contents (wt%)
| Group | Siderite tailings | PP | CaSt | MAH-g-PP | SCA-KH550 | Liquid paraffin | PP toughener |
|---|---|---|---|---|---|---|---|
| 1 | 40 | 49 | 1 | 2 | 2 | 1 | 5 |
| 2 | 40 | 48 | 2 | 2 | 2 | 1 | 5 |
| 3 | 40 | 47 | 3 | 2 | 2 | 1 | 5 |
Table 2
Component content of siderite tailings-based stone paper under different maleic anhydride grafted polypropylene contents (wt%)
| Group | Siderite tailings | PP | CaSt | MAH-g-PP | SCA-KH550 | Liquid paraffin | PP toughener |
|---|---|---|---|---|---|---|---|
| 1 | 40 | 49 | 2 | 1 | 2 | 1 | 5 |
| 2 | 40 | 48 | 2 | 2 | 2 | 1 | 5 |
| 3 | 40 | 47 | 2 | 3 | 2 | 1 | 5 |
Table 3
Component content of siderite tailings-based stone paper under different silane coupling agent contents (wt%)
| Group | Siderite tailings | PP | CaSt | MAH-g-PP | SCA-KH550 | Liquid paraffin | PP toughener |
|---|---|---|---|---|---|---|---|
| 1 | 40 | 49 | 2 | 2 | 1 | 1 | 5 |
| 2 | 40 | 48 | 2 | 2 | 2 | 1 | 5 |
| 3 | 40 | 47 | 2 | 2 | 3 | 1 | 5 |
Table 4
Component content of siderite tailings-based stone paper under different toughening agent contents (wt%)
| Group | Siderite tailings | PP | CaSt | MAH-g-PP | SCA-KH550 | Liquid paraffin | PP toughener |
|---|---|---|---|---|---|---|---|
| 1 | 40 | 51 | 2 | 2 | 2 | 1 | 2 |
| 2 | 40 | 48 | 2 | 2 | 2 | 1 | 5 |
| 3 | 40 | 45 | 2 | 2 | 2 | 1 | 8 |
Figure 4
Mechanism diagram of powder modification.
Figure 5
Scanning electron microscopy images of the surface of siderite tailings-based stone paper with different calcium stearate contents: 1, 2, and 3 wt%.
Figure 6
Scanning electron microscopy images of the cross-section of siderite tailings-based stone paper with different calcium stearate contents: 1, 2, and 3 wt%.
Figure 7
Scanning electron microscopy images of the surface of siderite tailings-based stone paper with different MAH-g-PP contents: 1, 2, and 3 wt%.
Figure 8
Scanning electron microscopy images of the cross-section of siderite tailings-based stone paper with different MAH-g-PP contents: 1, 2, and 3 wt%.
Figure 9
Scanning electron microscopy images of the surface of siderite tailings-based stone paper with different SCA-KH550 contents: 1, 2, and 3 wt%.
Figure 10
Scanning electron microscopy images of the cross-section of siderite tailings-based stone paper with different SCA-KH550 contents: 1, 2, and 3.
Figure 11
Scanning electron microscopy images of the surface of siderite tailings-based stone paper with different PP toughener contents: 2, 5, and 8 wt%.
Figure 12
Scanning electron microscopy images of the cross section of siderite tailings-based stone paper with different PP toughener contents: 2, 5, and 8 wt%.
Figure 13
Tightness of stone paper with different calcium stearate contents.
Figure 14
Tightness of stone paper with different contents of maleic anhydride grafted polypropylene.
Figure 15
Tightness of stone paper with different contents of silane coupling agent KH550.
Figure 16
Tightness of stone paper with different contents of polypropylene toughening agent.
Figure 17
Tensile strength of stone paper with different calcium stearate contents.
Figure 18
Tensile strength of stone paper made from polypropylene grafted with maleic anhydride with different contents.
Figure 19
Tensile strength of stone paper with different contents of silane coupling agent.
Figure 20
Tensile strength of stone paper with different contents of PP toughening agent.
Figure 21
Smoothness of stone paper with different contents of calcium stearate.
Figure 22
Smoothness of stone paper with different contents of maleic anhydride grafted polypropylene.
Figure 23
Smoothness of stone paper with different contents of silane coupling agent.
Figure 24
Smoothness of stone paper with different contents of polypropylene toughening agent.
Figure 25
Tear resistance of stone paper with different calcium stearate contents.
Figure 26
Tear resistance of stone paper with different contents of maleic anhydride grafted polypropylene.
Figure 27
Tear resistance of stone paper with different contents of silane coupling agent KH550.
Figure 28
Tear resistance of stone paper with different polypropylene toughening agent contents.