Title:
DEGRADABLE HIGH-TOUGHNESS WOOD-PLASTIC PACKAGING MATERIAL AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/061755
Kind Code:
A1
Abstract:
Disclosed is a preparation method for a degradable high-toughness wood-plastic packaging material, comprising: adding nano magnesium oxide and nano calcium silicate into ethyl hexyl ester of epoxidized soybean oil, increasing the temperature to 80-120°C, and stirring and reacting for 10-20 min; adding a polylactic acid-glycolic acid copolymer into triethylene glycol momobutyl ether, increasing the temperature to 100-120°C, and stirring and reacting for 10-15 min; then adding lignocellulose powder, continuing increasing the temperature to 140-160°C, adding polylactic acid resin and meanwhile stirring, and continuing reacting for 30-50 min; then adding tributyl citrate, sorbitol, diatomaceous earth, and hydroxyethyl oleate, and performing high shear stirring at 180-200°C for 0.5-2 h; and drying after cooling the reaction to 30-40°C, and extruding by means of an extruder, thereby obtaining the degradable high-toughness wood-plastic packaging material.
Inventors:
WANG JING (CN)
WANG HAIFENG (CN)
WANG HAIFENG (CN)
Application Number:
PCT/CN2017/112124
Publication Date:
April 04, 2019
Filing Date:
November 21, 2017
Export Citation:
Assignee:
SUZHOU YIMU PACKING MAT CO LTD (CN)
International Classes:
C08L67/04; B65D65/38
Foreign References:
| CN101020780A | 2007-08-22 | |||
| CN101367986A | 2009-02-18 | |||
| CN101955638A | 2011-01-26 | |||
| CN1603361A | 2005-04-06 | |||
| US20080146686A1 | 2008-06-19 |
Attorney, Agent or Firm:
CHANGZHOU ZIRRON PATENT OFFICE (GENERAL PARTNERSHIP) (CN)
Download PDF: