![一种高熔体强度聚乳酸发泡专用树脂及其制备方法](/CN/2016/1/225/images/201611125801.jpg)
基本信息:
- 专利标题: 一种高熔体强度聚乳酸发泡专用树脂及其制备方法
- 专利标题(英):Special resin with high melt strength for foaming of polylactic acid and preparation method thereof
- 申请号:CN201611125801.6 申请日:2016-12-08
- 公开(公告)号:CN106751611A 公开(公告)日:2017-05-31
- 发明人: 佟毅 , 李义 , 白岚 , 叶新建 , 关阳 , 刘志刚 , 王文玲 , 颜祥禹 , 王金枝 , 武丽达 , 闫寒 , 贾力耕
- 申请人: 吉林中粮生化有限公司
- 申请人地址: 吉林省长春市经济技术开发区仙台大街1717号
- 专利权人: 吉林中粮生化有限公司
- 当前专利权人: 吉林中粮生化有限公司
- 当前专利权人地址: 吉林省长春市经济技术开发区仙台大街1717号
- 代理机构: 吉林长春新纪元专利代理有限责任公司
- 代理人: 魏征骥
- 主分类号: C08L67/04
- IPC分类号: C08L67/04 ; C08L67/02 ; C08L23/06 ; C08L71/02 ; C08K5/053 ; C08K3/34 ; C08K3/22 ; C08K3/26 ; C08K5/103 ; C08K5/098
The invention relates to special resin with high melt strength for foaming of polylactic acid and a preparation method thereof, and belongs to the technical field of macromolecules. The special resin is prepared from the following raw materials in parts by weight: 60 to 95 parts of polylactic acid, 1 to 20 parts of biodegradable copolymer, 0.1 to 1 part of chain expander, 1 to 5 parts of melt enhancer, 0.1 to 5 parts of nucleating agent, and 0.5 to 2 parts of lubricant. The special resin has the advantages and beneficial effects that by improving the melt strength of the polylactic acid and enhancing the adsorbing ability of polylactic acid on CO2 (carbon dioxide), the foaming property of the polylactic acid is enhanced. The used devices are universal devices in the technical field of macromolecules, such as a double-screw extruder, a crystallizing drier and a plastic extrusion foaming machine. The special resin has the advantages that the operation is simple and convenient, the control is easy, the industrialized implementing is easy, and the economic benefit is high.
IPC结构图谱:
C | 化学;冶金 |
--C08 | 有机高分子化合物;其制备或化学加工;以其为基料的组合物 |
----C08L | 高分子化合物的组合物 |
------C08L67/00 | 由主链中形成1个羧酸酯键反应得到的聚酯的组合物;此种聚合物的衍生物的组合物 |
--------C08L67/04 | .由羟基酸得到的聚酯,如内酯 |