Shell of microbial purifier and its preparation process
A purifier and microorganism technology, applied in the field of microbial purifier shell and its preparation, can solve the problems of high enterprise cost, slow molding speed and high processing time cost, and achieve the advantages of reducing time cost, improving rigidity and increasing molding time. Effect
Active Publication Date: 2020-11-27
CHONGQING UNIV OF ARTS & SCI
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Problems solved by technology
However, using polylactic acid as a raw material to prepare the shell of the microbial purifier, due to the characteristics of polylactic acid itself, will cause the shell of the microbial purifier to crystallize and form slowly, and the time cost of processing is very high, which is very high for the enterprise. Therefore, now At present, no company has used polylactic acid as a raw material for the production of microbial purifier shells
Method used
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preparation example Construction
[0050] The preparation process of the shell of the microbial purifier comprises the following steps:
[0051] step one:
[0052] Sieve each raw material, screen out raw materials less than 320 mesh for later use, and dry each raw material for 10 minutes, take 85kg polylactic acid, 1.5kg nucleating agent, 0.3kg antioxidant, 12kg filler, 0.5kg toner, 0.4kg heat stabilizer, 0.3kg light stabilizer, 0.2kg antistatic agent are dropped in the mixing tank, and stir, realize the uniform mixing between each raw material, form the mixture standby; Among the present embodiment, filler is calcium carbonate and The mixture of talcum powder, and the weight ratio of calcium carbonate and talcum powder is 1:1, heat stabilizer is the mixture of barium stearate, calcium ricinoleate, triphenyl phosphite in the present embodiment, and barium stearate , calcium ricinoleate, and triphenyl phosphite in a weight ratio of 1:2:1.
[0053] Step two:
[0054] Put the mixed material in step 1 into a twi...
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Abstract
The invention belongs to the technical field of preparation or chemical processing of polymer materials, and discloses a microbial purifier shell and a preparation process thereof. The microbial purifier shell comprises the following raw materials: polylactic acid, nucleating agent, antioxidant, filler, toner, heat stabilizer, light stabilizer and antistatic agent; the microbial purifier shell comprises a square shell, an opening at one end of the shell, a stopper cover detachably connected at the opening of the shell, a plurality of ventilation grooves which are arranged on the stopper cover,and a plurality of air channels which are arranged on the end of the shell opposite to the stopper cover. During the preparation process, at first, that raw material are dried and uniformly mixed toform a mixture, and then the mixture is granulated to prepare a modified material; at last, after melting that modified material, injection molding is carried out to form the shell of the microbial purifier. The shell of the microbial purifier provided by the invention has degradable characteristics.
Description
technical field [0001] The invention belongs to the field of preparation or chemical processing of polymer materials, and in particular relates to a shell of a microbial purifier and a preparation process thereof. Background technique [0002] A microbial purifier is a device that uses the life activities of microorganisms to convert pollutants in the exhaust gas into harmless or less harmful substances such as carbon dioxide, water, sulfate and cellular substances, so as to purify the air. The shell of the microbial purifier is easily oxidized during use and will be damaged after being hit, so it needs to be replaced frequently. However, the shells of the current microbial purifiers are usually not easy to degrade, which will pollute the environment. [0003] Therefore, the applicant conducted research on a degradable microbial purifier shell, and found that polylactic acid is a biodegradable green polymer material with good thermal stability and high tensile strength. , ...
Claims
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IPC IPC(8): C08L67/04C08K13/02C08K5/098C08K5/526C08K3/26C08K3/34
CPCC08K3/26C08K3/34C08K3/346C08K5/098C08K5/526C08K13/02C08K2003/265C08L2201/08C08L67/04
Inventor 蔡艳华
Owner CHONGQING UNIV OF ARTS & SCI