Novel environment-friendly polymer material and preparation method thereof

Abstract

The invention provides a novel environment-friendly polymer material and a preparation method thereof. The material is prepared from the following ingredients: polylactic acid, polyethylene wax, modified starch, epoxy butyl stearate, vinyl-ethyl acrylate copolymer, calcium carbonate, plant fibers, nano-inorganic oxide, an antioxidant, a lubricating plasticizer, maleic anhydride, a thermal stabilizing agent, a flexibilizer, polyvinyl alcohol and deionized water. The polymer material has high thermal deformation temperature, wide application field, high product strength, excellent processing performance, small polylactic acid usage, low preparation cost and environment-friendly pollution-free materials.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a novel environment-friendly polymer material and a preparation method thereof. Background technique [0002] At present, with the increasing shortage of petroleum resources, environmental pollution has become one of the most important problems in human existence, and degradable non-petroleum-based polymer materials have attracted more and more attention. As a synthetic polymer material derived from renewable plant resources, polylactic acid has complete biodegradability, good processing ability and excellent mechanical properties. As a degradable plastic, it has received extensive attention and attention. As a renewable and environmentally friendly material, polylactic acid polymer materials are expected to replace a series of polymer materials derived from petroleum resources such as polyethylene, polypropylene, polystyrene, polyvinyl alcohol, polyethylene...

AI Technical Summary

Problems solved by technology

[0004] At present, there are a lot of research and patents on the improvement of polylactic acid polymer materials, but there are still defects such as large amount of polylactic acid, high cost, poor heat resistance, and difficulty in recycling.

For example, the Chinese invention patent ZL200610010449.1 discloses a method for preparing a composite inorganic material reinforced high-temperature-resistant biodegradable master batch. It is relatively high, and the process is difficult, and the economic benefit is low; Chinese invention patent ZL200410061416.0 discloses a starch-based biodegradable plastic masterbatch and its preparation method. Higher, the cost is increased, and the adhesive resin grafting reaction initiator dicumyl peroxide and cumene hydroperoxide are used, which makes it difficult to recycle the material; a biological Degradable polymers, which use natural starch and polylactic acid as raw materials, are suitable for agricultural plastic films and food packaging materials. However, due to the low glass transition temperature (50-70°C) of most biodegradable resins, the finished products The field of application is limited