Biodegradable flame-retardant plastic film and preparation method thereof
A plastic film and nano-flame retardant technology, which is applied in the field of plastic film, can solve problems such as difficult to guarantee the fixing conditions of plastic film, and achieve the effects of easy industrial implementation, environmental friendliness and improved oxygen barrier
Inactive Publication Date: 2015-03-25
TIANJIN KAIXUAN PLASTIC PROD
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- Abstract
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Problems solved by technology
[0004] In addition, the degradation of this degradable plastic film requires certain fixed conditions, and the environment after the plastic film is discarded is either placed in a closed garbage disposal system or exposed to a natural environment with unstable conditions. The fixed conditions required for the degradation of this plastic film, these degradable plastics in most cases, whether in the garbage disposal system or in the natural environment, cannot be degraded well due to limited conditions
In the prior art, there is no degradable plastic film that can guarantee degradation in the environment after disposal
Method used
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Embodiment 1
[0027] A degradable flame-retardant plastic film is characterized in that: its raw material components and parts by weight are respectively:
[0028]
Embodiment 2
[0030] A degradable flame-retardant plastic film is characterized in that: its raw material components and parts by weight are respectively:
[0031]
[0032]
Embodiment 3
[0034] A degradable flame-retardant plastic film is characterized in that: its raw material components and parts by weight are respectively:
[0035] .
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Abstract
The invention discloses a biodegradable flame-retardant plastic film, which is prepared from the following raw materials in parts by weight: 85 parts of polyethylene, 20-30 parts of polylactic acid, 65-80 parts of a PBM degradable material, 10-15 parts of packing, 5-10 parts of pullulan, 2-4 parts of an antioxidant, 1-1.5 parts of an ultraviolet light absorber and 25-30 parts of nano flame-retardant composites. The oxygen-isolating biodegradable plastic film disclosed by the invention is prepared by blending extrusion and film blowing of mature modified starch biodegradable plastic master batches PBM and pullulan and film-grade LDPE in the market at present in the preparation method; good mechanical property of the film is ensured by using the characteristics of the LDPE; the environment friendliness of the film material is achieved by using the biodegradability of the PBM and the pullulan; the oxygen isolating property of the film material is improved by using high oxygen isolating property of the pullulan; the overall compatibility of the plastic film material is improved by using the structure similarity of the starch and the pullulan as carbohydrates; and regulation and control of the oxygen isolating property, the biodegradability and the like can be achieved by controlling the blending ratio of the LDPE/PBM/Pullulan system.
Description
technical field [0001] The invention relates to a plastic film, in particular to a degradable flame-retardant plastic film. Background technique [0002] As we all know, the plastic bag made of plastic film is light, thin, impermeable, strong, and low in cost. It is a good packaging material. The amount of bags is increasing, and the waste plastic bags after use are not easy to recycle and degrade. A large number of waste plastic bags have become a serious problem that pollutes the environment. In order to reduce the pollution of plastic films to the environment, people have developed some environmentally friendly green degradable plastic films. These degradable plastic films are composed of film-grade plastics and components that can cause plastic degradation, such as starch, Calcium, etc., this degradable plastic film is an additive degradable plastic film, and the additive degradable plastic film has played a certain positive role in improving the environment. However, ...
Claims
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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L67/04C08L5/00C08K13/06C08K9/04C08K3/34C08K3/02C08K3/22C08K3/26B29C47/92B29C49/04B29C48/92
CPCC08K2003/2241C08L23/06B29C48/92B29C49/04B29C2948/92704C08K2201/014C08L2201/02C08L2201/06C08L2201/14C08L2201/22C08L2203/16C08L2205/025C08L2205/035C08L2207/062C08L2207/066C08L67/04C08L3/04C08L5/00C08K13/06C08K9/04C08K2003/265C08K2003/026C08K3/34C08K3/346
Inventor 郝永强
Owner TIANJIN KAIXUAN PLASTIC PROD
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