Heat-proof polylactic acid-starch alloy system full-biodegradation material and preparation thereof
A technology for degrading materials and polylactic acid, which is applied in the field of fully biodegradable materials and their preparation, temperature-resistant polylactic acid-starch alloy system fully biodegradable materials and their preparation fields, can solve the problem that polylactic acid does not have high temperature resistance, does not have the Completely biodegradable, not easy to recycle and reuse, etc., to achieve the effect of smooth and delicate appearance, low cost and good cost performance
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0017] Raw material ratio: polylactic acid resin 50%, grafted modified starch 15%, 400 mesh natural hemp fiber powder 10%, ultrafine nucleating agent 2500 mesh refined titanium dioxide 8%, reversible crosslinking agent aluminum triacetylacetonate 2%, Aliphatic chain extender: 2% of ADR-4370 chain extender produced by BASF, 2% of aluminate coupling agent, 2% of plasticizer glycerin, 2% of carboxyl compatibilizer, and 2500% of anti-creep inorganic powder 7% superfine zinc oxide, wherein the polylactic acid resin is an industrial grade polylactic acid resin with a melt index of 5g / 10min, and the grafted modified starch is a graft material obtained by reacting maleic anhydride and an equivalent amount of starch with a peroxide. The carboxyl compatibilizer is an ethylene-acrylic acid oligomer with acrylic acid monomer unit content of 15%.
[0018] Preparation:
[0019] (A) Starch modification: put the grafted modified starch and natural hemp fiber powder in a high-temperature mixe...
Embodiment 2
[0023] Raw material ratio: polylactic acid resin 70%, grafted modified starch 10%, 500 mesh natural hemp fiber powder 5%, superfine nucleating agent 3000 mesh high-purity talc powder 5%, reversible crosslinking agent aluminum triacetylacetonate 1 %, aliphatic chain extender: 1% of ADR-4370 chain extender produced by BASF, 1% of titanate coupling agent, 1% of plasticizer sorbitol, 1% of carboxyl compatibilizer, anti-creep inorganic powder The body is 2500 mesh superfine barium sulfate 5%, wherein the polylactic acid resin is an industrial grade polylactic acid resin with a melt index of 8g / 10min, and the grafted modified starch is obtained by reacting maleic anhydride and an equivalent amount of starch with peroxide. Branch material, carboxyl compatibilizer is ethylene-acrylic acid oligomer with 20% acrylic acid monomer unit content.
[0024] Preparation:
[0025] (A) Starch modification: Put the grafted modified starch and natural hemp fiber powder in a high-temperature mixer...
Embodiment 3
[0029]Raw material ratio: polylactic acid resin 60%, grafted modified starch 14%, 200 mesh natural hemp fiber powder 10%, superfine nucleating agent 2000 mesh refined titanium dioxide 5%, reversible crosslinking agent aluminum glycinate 2%, aliphatic Chain extender: 1% of ADR-4370 chain extender produced by BASF, 1% of aluminate coupling agent, 1% of plasticizer glycerin, 1% of carboxyl compatibilizer, 2500 mesh super Fine zinc oxide 5%, wherein the polylactic acid resin is an industrial grade polylactic acid resin with a melt index of 10g / 10min, and the grafted modified starch is a graft material obtained by reacting maleic anhydride and an equivalent amount of starch with a peroxide, and the carboxyl phase The compatibilizer is ethylene-acrylic acid oligomer with acrylic acid monomer unit content of 12%.
[0030] Preparation:
[0031] (A) Starch modification: Put the grafted modified starch and natural hemp fiber powder in a high-temperature mixer and dry them at a low spee...
PUM
Property | Measurement | Unit |
---|---|---|
melt flow index | aaaaa | aaaaa |
heat deflection temperature | aaaaa | aaaaa |
density | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
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