Degradable film coating material

A coating material and degradable film technology, applied in the field of degradable film coating materials, can solve the problems of crop yield reduction, animal ingestion, environmental pollution, etc., achieve good light resistance and anti-aging properties, increase weather resistance, and prolong degradation time. Effect

Inactive Publication Date: 2018-07-20
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

With the continuous growth of film production, it brings convenience to people but also brings serious environmental pollution. For example, agricultural film, as a means of agricultural production, is widely used in modern agriculture, but if the waste agricultural film is not cleaned If it is clean, it will bring great disadvantages to the environment and agricultural production.
Long-term use of the agricultural film left on the land will cause crop yield reduction, land desertification, river blockage, and cause livestoc

Method used

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Examples

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Embodiment 1

[0024] A kind of degradable film coating material, comprises the nano-silica of 20 weight parts, the nano-titanium dioxide of 50 weight parts, the acrylic resin of 4 weight parts, the polyimide resin of 4 weight parts, wherein, the particle diameter of nano-silica The particle size of nano-titanium dioxide is 3nm.

Embodiment 2

[0026] A kind of degradable film coating material, comprises the nano-silica of 40 weight parts, the nano-titanium dioxide of 70 weight parts, the acrylic resin of 10 weight parts, the polyimide resin of 10 weight parts, wherein, the particle diameter of nano-silica The particle size of nano-titanium dioxide is 5nm.

Embodiment 3

[0028] A kind of degradable film coating material, comprises the nano-silica of 25 weight parts, the nano-titanium dioxide of 55 weight parts, the acrylic resin of 5 weight parts, the polyimide resin of 5 weight parts, wherein, the particle diameter of nano-silica The particle size of nano-titanium dioxide is 4nm.

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Abstract

The invention provides a degradable film coating material, and belongs to the technical field of thin films. The degradable film coating material includes 20-40 parts by weight of nano silica, 50-70 parts by weight of nano titanium dioxide, 4-10 parts by weight of acrylic resin, and 4-10 parts by weight of polyimide resin, wherein the particle size of the acrylic resin is 10-15 nm. The coating material is applied to degradable films, can effectively prolong the degradation time of the degradable films and has low cost.

Description

technical field [0001] The invention belongs to the technical field of thin films, and in particular relates to a degradable film coating material. Background technique [0002] Thin films have become indispensable synthetic materials in people's production and life. With the continuous growth of film production, it brings convenience to people but also brings serious environmental pollution. For example, agricultural film, as a means of agricultural production, is widely used in modern agriculture, but if the waste agricultural film is not cleaned If it is not clean, it will bring great disadvantages to the environment and agricultural production. Long-term use of the agricultural film left on the land will cause crop yield reduction, land desertification, river blockage, and cause livestock to eat and die, which seriously damages the environment. If the residual plastic film per mu exceeds 22kg, the yield of crops will be reduced by 25%. If the low residual plastic film ...

Claims

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Application Information

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IPC IPC(8): C09D1/00C09D5/14C09D5/16C09D5/32C09D5/33C09D7/65C09D7/61C08J7/04
CPCC08J7/0427C09D1/00C09D5/004C09D5/14C09D5/1618C09D5/1656C09D5/1687C09D5/32
Inventor 李绍才孙海龙陈珂
Owner SICHUAN UNIV
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