| 摘要: |
| 以稻草纤维为主要原料，采用稻草粒（粗）与细稻草纤维相混合，以聚乙烯醇、脲醛、淀粉为粘合剂，采用2段加压加热成型工艺，研究了成型工艺条件对稻草纤维材料性能的影响。研究表明，第1段成型压力、温度和时间对材料的性能有较大的影响；提高成型压力、温度和时间虽然可以提高材料的强度，但会降低材料的缓冲性能，而压力和时间不足也会降低材料的强度；较适宜的成型压力为 40～50 kPa, 温度为150～175 ℃，成型时间为6～10 min。 |
| 关键词: 稻草 包装材料 成型工艺 |
| DOI： |
| 分类号:TB484.6; TB485.1 |
| 基金项目:深圳市科技计划项目(JSA200903231491A) |
|
| Study on Molding Technology of Straw Fiber Composite Cushion Material |
|
CHEN Li-ke1, ZHANG Qin-fa2, LEI Zhang-feng1, WANG Yan-hui1, DONG Xin-liang3
|
|
1.Shenzhen MYS Environmental Protection & Technology Co., Ltd.，Shenzhen 518107, China;2.South China Agricultural University, Guangzhou 510640, China;3.Emerson Network Power Co., Ltd., Shenzhen 518057, China
|
| Abstract: |
| Straw fiber-material was prepared using mixture of particles and acerose straw fiber as raw material, mixture of polyvinyl alcohol (PVA), urea-formaldehyde resin (UF), and starch as bond, with two stages pressing and heating processes. The influence of molding technology on physical and mechanical properties of straw fiber-material was studied. Result showed that molding pressure, molding temperature and molding time in the first stage have great influence on compressive stress and cushioning propriety of the material; increasing molding pressure, temperature, and molding time can enhance the strength, but reduce the cushioning performance of the material; lacking of molding pressure and molding time can also reduce the strength of the material; the appropriate molding pressure is 40～50 kPa, molding temperature is 150～175 ℃, and molding time 6～10 min. |
| Key words: straw fiber packaging material molding technology |
渝公网安备 50010702501716号