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A flame-retardant biodegradable resin/nucleotide composite material and its preparation method
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A technology for degrading resins and composite materials, applied in the field of flame-retardant composite materials, can solve the problems of increasing the amount of toxic gas generated, and achieve the effects of easy processing, good flame-retardant performance, and simple preparation methods
Active Publication Date: 2019-01-29
SOUTH CHINA UNIV OF TECH
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Abstract
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Problems solved by technology
80% of the flame retardants used in domestic biodegradable materials are halogen-containing flame retardants, and halogen-containing flame retardant systems usually increase the generation of toxic gases and smoke
Method used
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Embodiment 1
[0024] The flame-retardant biodegradable resin / nucleotide composite material of this embodiment is prepared by weight ratio from the following raw materials:
[0028] Put the polylactic acid, adenosine triphosphate, and ammoniumpolyphosphate in the above raw materials in an oven at 30°C for 12 hours to dry, add them to the internal mixer, and melt blend them for 20 minutes at 170°C and 45 rpm. , that is, a flame-retardant polylactic acid / adenosine triphosphate composite material is obtained.
[0029] After drying, press the plate and cut it into a standard sample of 130×13×3mm for testing. The vertical combustion can reach the UL-94V0 level.
Embodiment 2
[0031] The flame-retardant biodegradable resin / nucleotide composite material of this embodiment is prepared by weight ratio from the following raw materials:
[0035] Put the polylactic acid, adenosine triphosphate, and ammonium polyphosphate in the above raw materials in an oven at 30°C for 12 hours to dry, add them to an internal mixer, and melt blend them for 10 minutes at 200°C and 45 rpm , that is, a flame-retardant polylactic acid / adenosine triphosphate composite material is obtained.
[0036] After drying, press the plate and cut it into a standard sample of 130×13×3mm for testing. The vertical combustion can reach the UL-94V0 level.
Embodiment 3
[0038] The flame-retardant biodegradable resin / nucleotide composite material of this embodiment is prepared by weight ratio from the following raw materials:
[0042] Put the polylactic acid, adenosine triphosphate, and ammonium polyphosphate in the above raw materials in an oven at 30°C for 12 hours to dry, add them to the internal mixer, and melt blend them for 5 minutes at 230°C and 45 rpm , that is, a flame-retardant polylactic acid / adenosine triphosphate composite material is obtained.
[0043] After drying, press the plate and cut it into a standard sample of 130×13×3mm for testing. The vertical combustion can reach the UL-94V0 level.
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Abstract
The invention discloses a flame-retardant biologically-degradable resin / nucleotidecomposite material and a preparation method thereof. The preparation method comprises the step: blending 100 parts by weight of biologically-degradable resin, 20-40 parts by weight of nucleotide and 10-30 parts by weight of ammoniumpolyphosphate under a molten state for 5-20 minutes. The prepared flame-retardant biologically-degradable resin / nucleotidecomposite material overcomes the defect that the biologically-degradable resin easily burns, and the flame-retardant grade of the flame-retardant biologically-degradable resin / nucleotide composite material achieves UL-94V0. The biologically-degradable resin / nucleotide composite material disclosed by the invention has high flame-retardant efficiency, wide sources, no toxicity and environmental protection; and the preparation method is simple in process, easy to implement industrially and low in production cost.
Description
technical field [0001] The invention belongs to the technical field of flame-retardant composite materials, and in particular relates to a flame-retardant biodegradable resin / nucleotide composite material and a preparation method thereof. Background technique [0002] With the development of society, my country's petrochemical industry has made a qualitative leap, the output and function of plastic products have been continuously improved, and the emergence of various polymer materials has demonstrated its excellent performance, and is increasingly used in industry and agriculture. production and people's daily life. However, while petroleum-based synthetic polymer materials bring great convenience to people's lives, they also cause serious environmental pollution and lead to the depletion of petroleum resources. In order to promote the sustainable development of human society and improve the ecological environment, people have gradually turned their attention to biodegradab...
Claims
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Application Information
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