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Bio-based plastic product material

A technology of bio-based plastics and bioplastics, applied in the field of plastic products materials, can solve the problems of soil restoration, visual pollution, change of pH, etc., achieve the effect of reducing greenhouse gas emissions and realizing resource recycling

Inactive Publication Date: 2014-12-10
张雨生
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because synthetic resin, the main component of plastic, decomposes very slowly in the natural environment, and it is extremely harmful to the land, changing its pH, affecting the absorption of nutrients and water by crops, resulting in the long-term loss of land filled with plastic waste. less than recovery
If plastic waste is disposed of by incineration, it will produce a large amount of toxic smoke and pollute the atmosphere
The cheap and easy availability of plastic packaging makes it easy for people to discard it at will, resulting in visual pollution and damage to the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A bio-based plastic product material of the present invention is characterized in that it consists of 20kg bio-based plastic and 80kg polypropylene plastic, wherein the bio-based plastic soybean protein and starch-based bioplastic, the soybean protein and the starch The ratio is 1:2.8.

[0019] Example 1 The oxygen permeability of a bio-based plastic product material produced by a tape-casting method can be as low as 1.0 (mL·mm) / (m 2 ·d·Pa), the water permeability is as low as 1.8g / (m·s·Pa), the tensile strength reaches 12MPa, and the elongation is as high as 79%.

[0020] The tensile strength of biomass-based plastic parts produced by molding method can reach 50MPa, the bending strength can reach 60MPa, and the density can reach 1.6g / cm 3 , can withstand high temperature of 250 ℃. The natural aging time of biomass synthetic plastics estimated by accelerated aging experiments is 20 years.

Embodiment 2

[0022] A bio-based plastic product material of the present invention is composed of 51kg of bio-based plastic and 49kg of polypropylene plastic, wherein the bio-based plastic soybean protein and starch-based bioplastic, the ratio of the soybean protein to the starch is 1:2.8.

[0023] Embodiment 2 The oxygen permeability of a bio-based plastic product material produced by a tape-casting method can be as low as 1.1 (mL·mm) / (m 2 ·d·Pa), the water permeability is as low as 1.5g / (m·s·Pa), the tensile strength reaches 18MPa, and the elongation is as high as 80%.

[0024] The tensile strength of biomass-based plastic parts produced by molding method can reach 60MPa, the bending strength can reach 60MPa, and the density can reach 1.6g / cm 3 , can withstand high temperature of 270 ℃. The natural aging time of biomass synthetic plastics estimated by accelerated aging experiments is 25 years.

Embodiment 3

[0026] A bio-based plastic product material of the present invention is composed of 30kg of bio-based plastic and 70kg of polypropylene plastic, wherein the bio-based plastic soybean protein and starch-based bioplastic, the ratio of the soybean protein to the starch is 1:2.8.

[0027] Embodiment 3 The oxygen permeability of a bio-based plastic product material produced by a tape-casting method can be as low as 1.0 (mL·mm) / (m 2 ·d·Pa), the water permeability is as low as 1.9g / (m·s·Pa), the tensile strength reaches 20MPa, and the elongation is as high as 78%.

[0028] The tensile strength of biomass-based plastic parts produced by molding method can reach 50MPa, the bending strength can reach 58MPa, and the density can reach 1.5g / cm 3 , can withstand high temperature of 280 ℃. The natural aging time of biomass synthetic plastics estimated by accelerated aging experiments is 30 years.

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Abstract

The invention relates to a bio-based plastic product material. The bio-based plastic product material is composed of 20-60wt% of bio-based plastic and 50-80wt% polypropene plastic, wherein the bio-based plastic product material is composed of soybean protein and starch-based bioplastic in a ratio of 1:2.8. Compared with the traditional synthetic plastic product, biomass synthesis plastic is better than a common synthetic plastic product in light transmittance, oxygen permeability, heat resistance, toughness, flexibility, elasticity, tensile strength and ageing resistance, and manufacturing cost of the biomass synthesis plastic is greatly reduced, time that the bio-based plastic product material is completely decomposed is 3-6 months, and a decomposition product is a high-quality organic fertilizer.

Description

technical field [0001] The invention relates to a bio-based plastic product material, which belongs to the field of plastic product materials. Background technique [0002] With the rapid development of the plastics industry, the resulting environmental problems have become increasingly prominent. The waste of plastic products accounts for 10% of the total amount of urban garbage and 30% of the volume. Because synthetic resin, the main component of plastic, decomposes very slowly in the natural environment, and it is extremely harmful to the land, changing its pH, affecting the absorption of nutrients and water by crops, resulting in the long-term loss of land filled with plastic waste. less than recovery. If the plastic waste is disposed of by incineration, a large amount of toxic smoke will be produced and the atmosphere will be polluted. The cheap and easy availability of plastic packaging makes it easy for people to discard it at will, resulting in visual pollution an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L89/00C08L3/02
CPCC08L23/12C08L2201/06C08L2205/03C08L3/02C08L89/00
Inventor 张雨生
Owner 张雨生
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