Biodegradable Films Prepared from Pulp Lignocellulose Adhesives of Urea Formaldehyde Resin Modified by Biosulfonate
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Synthesis and Preperation
2.2.1. Synthesis of BBS-Modified PUF Resin
2.2.2. Preparation of Degradation Film
2.3. Measurement
2.3.1. Properties of Modification UF Resins
2.3.2. Free Formaldehyde Content Measurement
2.4. Sample Characterization Analysis
2.4.1. Fourier-Transform Infrared (FTIR) Spectroscopy
2.4.2. Thermal Stability of Resins
2.4.3. Differential Scanning Calorimetry (DSC) Analysis
2.4.4. Scanning Electron Microscope (SEM) Analysis
2.5. Degradable Film Performance
2.5.1. Water Retention
2.5.2. Soil Temperature under Films
2.5.3. Degradation Rate of Mulch Film
2.6. Statistical Analysis
3. Results
3.1. Physical Properties of Resin
3.2. Characterization Analysis of BBS and PUF Resin
3.3. Analysis of Film Characteristics
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Component | C% | H% | N% | S% | C/N | H/C | C/S |
---|---|---|---|---|---|---|---|
Biosulfonate A | 24.88 | 3.57 | 0.32 | 10.51 | 78.14 | 1.72 | 6.31 |
Biosulfonate B | 25.08 | 4.01 | 0.51 | 10.74 | 49.19 | 1.92 | 6.23 |
Resin | pH | Viscosity (mPa·s) | Free Formaldehyde (%) | Solid Content (%) | Curing Time (s) |
---|---|---|---|---|---|
PUF | 7.2 ± 0.10 | 297.97 ± 0.68 | 0.54 ± 0.01 | 52.95 ± 0.106 | 65 ± 1 |
1.0BBS/PUF | 7.86 ± 0.08 | 432.33 ± 2.43 | 0.41 ± 0.01 | 54.59 ± 0.212 | 75 ± 1 |
1.5BBS/PUF | 8.49 ± 0.12 | 2343.63 ± 3.38 | 0.35 ± 0.01 | 53.41 ± 0.179 | 79 ± 1 |
2.0BBS/PUF | 8.25 ± 0.11 | 3319.87 ± 13.97 | 0.27 ± 0.01 | 53.86 ± 0.111 | 81 ± 1 |
2.5BBS/PUF | 8.57 ± 0.09 | 4043.20 ± 38.79 | 0.26 ± 0.01 | 53.15 ± 0.171 | 84 ± 1 |
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Ma, Y.; Luo, Y.; Zhang, Q.; Gao, Y.; Li, J.; Shah, S.; Wang, X.; Zhang, X. Biodegradable Films Prepared from Pulp Lignocellulose Adhesives of Urea Formaldehyde Resin Modified by Biosulfonate. Polymers 2022, 14, 2863. https://doi.org/10.3390/polym14142863
Ma Y, Luo Y, Zhang Q, Gao Y, Li J, Shah S, Wang X, Zhang X. Biodegradable Films Prepared from Pulp Lignocellulose Adhesives of Urea Formaldehyde Resin Modified by Biosulfonate. Polymers. 2022; 14(14):2863. https://doi.org/10.3390/polym14142863
Chicago/Turabian StyleMa, Yongjie, Yanxin Luo, Qiannan Zhang, Yanming Gao, Jianshe Li, Sadiq Shah, Xiaozhuo Wang, and Xueyan Zhang. 2022. "Biodegradable Films Prepared from Pulp Lignocellulose Adhesives of Urea Formaldehyde Resin Modified by Biosulfonate" Polymers 14, no. 14: 2863. https://doi.org/10.3390/polym14142863