Environment-friendly plastic material
A technology of environmentally friendly plastics and degradable plastics, applied in the field of packaging materials, can solve problems such as food contamination and human hazards, and achieve strong degradability and pollution mitigation effects
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Embodiment 1
[0041] The invention provides an environmentally friendly plastic material, which is composed of the following components in parts by weight: 42 parts of degradable plastic masterbatch; 15 parts of copolymerized polypropylene; 8 parts of glass fiber; 5 parts of stearic acid; 1 part of ethylene glycol fat; 6 parts of carbon black; 0.6 parts of antioxidant; 10 parts of modified starch.
[0042] Preferably, the degradable plastic masterbatch is formed by mixing and cross-linking PLA and PLB at a molar ratio of 3:4, the copolymerized polypropylene is a propylene polymer containing 15% butadiene, and the antioxidant is a phosphite.
Embodiment 2
[0044] The invention provides an environmentally friendly plastic material, which is composed of the following components in parts by weight: 45 parts of degradable plastic masterbatch; 20 parts of copolymerized polypropylene; 10 parts of glass fiber; 6 parts of stearic acid; terephthalic acid 1.5 parts of ethylene glycol fat; 8 parts of carbon black; 0.8 parts of antioxidant; 12 parts of modified starch.
[0045] Preferably, the degradable plastic masterbatch is formed by mixing and cross-linking PLA and PLB at a molar ratio of 3:4, the copolymerized polypropylene is a propylene polymer containing 15% butadiene, and the antioxidant is a phosphite.
Embodiment 3
[0047] The invention provides an environmentally friendly plastic material, which is composed of the following components in parts by weight: 46 parts of degradable plastic masterbatch; 19 parts of copolymerized polypropylene; 11 parts of glass fiber; 6 parts of stearic acid; terephthalic acid 1.8 parts of ethylene glycol fat; 7.5 parts of carbon black; 0.8 parts of antioxidant; 13 parts of modified starch.
[0048] Preferably, the degradable plastic masterbatch is formed by mixing and cross-linking PLA and PLB at a molar ratio of 3:4, the copolymerized polypropylene is a propylene polymer containing 15% butadiene, and the antioxidant is a phosphite.
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