Degradable plastic
A technology for degrading plastics and plasticizers, applied in the field of plastic raw materials, can solve the problems of poor air permeability, not widely used, and high production costs, and achieve the effects of improving tensile strength, shortening degradation time, and improving practicability
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[0020] Example 1
[0021] A degradable plastic, the composition by mass of the degradable plastic is as follows: 40 parts of corn starch microspheres, 12 parts of polyamide, 5 parts of polyhydroxybutyrate, 2 parts of glass fiber, 0.8 parts of zinc stearate, plant 1.2 parts of fiber, 0.8 parts of dispersant, 6 parts of photosensitizer, 8 parts of plasticizer, 0.8 parts of coupling agent.
[0022] Wherein, the plant fiber is coconut fiber, and the length of the coconut fiber is 4.5 μm.
[0023] Wherein, the dispersant is sodium polymethacrylate.
[0024] Wherein, the photosensitizer is benzophenone.
[0025] Wherein, the plasticizer is tributyl acetate.
[0026] Wherein, the coupling agent is a silane coupling agent, and the specific model is KH550.
Example Embodiment
[0027] Example 2
[0028] A degradable plastic, the composition by mass of the degradable plastic is as follows: 50 parts of corn starch microspheres, 15 parts of polyamide, 7.5 parts of polyhydroxybutyrate, 7 parts of glass fiber, 1.6 parts of zinc stearate, plant Fiber 2.4 parts, dispersant 2.8 parts, photosensitizer 8 parts, plasticizer 12 parts, coupling agent 1.8 parts.
[0029] Wherein, the plant fiber is coconut fiber and corn stalk fiber; the length of the two is 4.5 μm.
[0030] Wherein, the dispersant is sodium polymethacrylate and ammonium polymethacrylate.
[0031] Among them, the photosensitizer is benzoin dimethyl ether.
[0032] Wherein, the plasticizer is tributyl acetate and dibutyl phthalate.
[0033] Wherein, the coupling agent is a silane coupling agent, and the specific models are KH550 and DL602.
Example Embodiment
[0034] Example 3
[0035] A degradable plastic. The mass parts of the degradable plastic are composed as follows: 45 parts of corn starch microspheres, 15 parts of polyamide, 8 parts of polyhydroxybutyrate, 6 parts of glass fiber, 1.6 parts of zinc stearate, plant 3.2 parts of fiber, 3.2 parts of dispersant, 8 parts of photosensitizer, 12 parts of plasticizer, 1.6 parts of coupling agent.
[0036] Wherein, the plant fiber is selected from coconut fiber, corn stalk fiber and rice straw fiber; the length of the fiber is 5 μm.
[0037] Wherein, the dispersant is selected from sodium polymethacrylate, ammonium polymethacrylate, and polyphosphate.
[0038] Wherein, the plasticizer is a mixture of tributyl acetate, dibutyl phthalate and diethyl phthalate.
[0039] Wherein, the coupling agent is a silane coupling agent, and the specific models are KH550 and DL602.
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