Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Preparation method of polylactic acid/epoxy soybean oil resin alloy and product

A technology of epoxy soybean oil and polylactic acid, applied in the field of bio-based polymer materials, can solve the problems of non-thermoplastic molding, limited improvement of elongation at break, poor mechanical properties of epoxy soybean oil resin, etc. Tensile toughness, improve the effect of mechanical properties

Active Publication Date: 2017-01-18
SOUTHWEST UNIVERSITY
View PDF5 Cites 10 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Therefore, there is an urgent need for a new type of polylactic acid / epoxy resin that can overcome the above-mentioned poor mechanical properties of epoxy soybean oil resin and cannot be processed by thermoplastic molding, and the limited improvement of the elongation at break of polylactic acid directly plasticized by epoxy soybean oil. soybean oil resin alloy

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Preparation method of polylactic acid/epoxy soybean oil resin alloy and product
  • Preparation method of polylactic acid/epoxy soybean oil resin alloy and product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Add polylactic acid, epoxidized soybean oil, succinic acid and catalyst 4-dimethylaminopyridine into an internal mixer at 200°C, react and blend for 3 minutes, and discharge to obtain polylactic acid / epoxy soybean oleoresin alloy 1. Among them, the ratio of polylactic acid to the total mass of epoxy soybean oil and succinic acid is 19:1, the molar ratio of epoxy soybean oil to succinic acid is 1:0.5, and the content of 4-dimethylaminopyridine is polylactic acid, epoxy 0.05% of the total mass of soybean oil and succinic acid.

Embodiment 2

[0022] Add polylactic acid, epoxy soybean oil, adipic acid and catalyst 2-ethyl-4-methylimidazole into the internal mixer at 170°C, react and blend for 10 minutes, and then discharge to obtain polylactic acid / epoxy soybean oleoresin alloy 2. Wherein, the ratio of polylactic acid to the total mass of epoxy soybean oil and adipic acid is 9:1, the molar ratio of epoxy soybean oil to adipic acid is 1:0.8, and the content of 2-ethyl-4-methylimidazole is poly 0.1% of the total mass of lactic acid, epoxidized soybean oil and adipic acid.

Embodiment 3

[0024] Add polylactic acid, epoxidized soybean oil, pimelic acid and catalyst 1,8-diazabicyclo[5.4.0]undec-7-ene into an internal mixer at 180°C, react and blend for 20 minutes, and then discharge. Polylactic acid / epoxy soybean oleoresin alloy 3 was obtained. Among them, the ratio of polylactic acid to the total mass of epoxidized soybean oil and pimelic acid is 4:1, the molar ratio of epoxidized soybean oil to pimelic acid is 1:1.2, 1,8-diazabicyclo[5.4.0 ] Undec-7-ene content is 0.3% of the total mass of polylactic acid, epoxy soybean oil and pimelic acid.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a preparation method and a product of polylactic acid / epoxy soybean oil resin alloy and belongs to the field of biological macromolecular materials. According to the method, epoxy soybean oil, aliphatic dibasic acid and polylactic acid react and are blended, cross-linked epoxy soybean oil resin is introduced to a polylactic acid substrate to prepare the high-performance polylactic acid / epoxy soybean oil resin alloy, the elongation at break of the alloy during tensile failure is 50-350%, and the tensile strength is 3-58 MPa. When the content of polylactic acid serves as a main body, the low-modulus epoxy soybean oil resin remarkably improves the tensile toughness of the polylactic acid. When the content of the epoxy soybean oil resin serves as a main body, the high-strength thermoplastic polylactic acid can endow thermoplasticity for the epoxy soybean oil resin, and the mechanical properties of the epoxy soybean oil resin can be also improved.

Description

technical field [0001] The invention belongs to the field of bio-based polymer materials, in particular to a preparation method and product of a polylactic acid / epoxy soybean oil resin alloy Background technique [0002] Traditional polymer materials are facing the two major challenges of dwindling petroleum resources and severe environmental pollution caused by refractory degradation after use. Vigorously developing bio-based and biodegradable polymer materials is one of the important ways to solve the two major challenges faced by traditional materials. Vegetable oil, as a kind of cheap renewable resources, has attracted much attention as a raw material for the preparation of bio-based polymer materials. Among them, epoxy soybean oil, as the most productive vegetable oil-a derivative of soybean oil, has received extensive attention in the field of environmentally friendly materials. , not only used as environmentally friendly plasticizers for polylactic acid, polyvinyl chl...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C08L67/04C08L91/00
CPCC08L67/04C08L91/00
Inventor 曾建兵赵桐辉李以东
Owner SOUTHWEST UNIVERSITY
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com