A modified inorganic powder material, preparation method and membrane material containing the same
An inorganic powder material, inorganic powder technology, applied in the direction of fibrous filler, dyed polymer organic compound treatment, etc., to achieve the effect of improving tensile strength and breaking strength, and good bonding force
Active Publication Date: 2021-08-10
北京艾科美特新材料开发有限公司
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Problems solved by technology
However, there is still enough room for improvement in the tensile strength and elongation at break of the finally obtained environmentally friendly plastic eutectic
Method used
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Embodiment 1-5
[0066] Preparation of modified inorganic powder materials (inorganic organic composite materials)
[0067] Pretreatment: Pretreatment of inorganic powder, the pretreatment method is to sieve the inorganic particles to screen out particles with a particle size of less than or equal to 9 μm (including zeolite powder, diatomaceous earth powder, calcium carbonate D 100 Both are less than or equal to 9 μm), drying, the drying temperature is greater than or equal to 120 ° C, and the moisture content of the inorganic particles is controlled below 0.1% (weight).
[0068] (1) Add a certain amount of dispersant and monomer to the inorganic powder in sequence, so that the monomer is attached to the outer surface of the inorganic powder to form a coating structure;
[0069] (2) Add an initiator to the mixture in step (1), and under the condition of high-speed rotation, the inorganic powder will naturally heat up to 80°C through friction and impact. Polymerization to obtain an inorganic p...
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Abstract
The invention relates to a functionally modified inorganic powder material and a preparation method thereof. The weight percentage of the inorganic powder in the modified inorganic powder material is 50-65%. The method includes the following steps: (1) sequentially adding monomers to the inorganic powder, and the monomers are attached to the outer surface of the inorganic powder to form a coating structure; (2) adding triggering Under the condition of high-speed rotation, the inorganic powder is naturally heated to 50-100°C through friction and impact. Under this condition, the polymer monomer undergoes polymerization reaction under the action of the initiator, and the inorganic powder covered with polymer is obtained. ; (3) adding a linking agent to the inorganic powder covered with polymer on the surface after the reaction in step (2); (4) sequentially setting a toughness layer, a mechanical layer, and The selected configuration layer. Compared with the prior art, the tensile strength and breaking strength of the film prepared by the modified inorganic powder material of the present invention are greatly improved.
Description
technical field [0001] The present invention relates to a functional modified inorganic powder material, more specifically, the present invention relates to a modified inorganic powder that is mainly composed of inorganic powder, has sufficiently excellent tensile strength and elongation at break, and is easy to seal body material. Background technique [0002] White Pollution is an image term for the phenomenon of waste plastics polluting the environment. It refers to packaging bags made of polystyrene, polypropylene, polyvinyl chloride and other polymer compounds, agricultural mulch, disposable tableware, Plastic products such as bottles are discarded as solid waste after use. Due to random littering, it is difficult to degrade and process, causing pollution to the ecological environment and landscape. [0003] In order to reduce the cost of film products such as plastic garbage bags, the traditional method is to use calcium carbonate as a filler, but the proportion of ca...
Claims
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IPC IPC(8): C04B20/12C09C1/02C09C1/40C09C1/42C09C3/10C08F10/02C08F10/06C08F12/08C08F20/06C08K9/10C08K7/26C08K7/24C08K3/26C08J5/18C08J3/12
CPCC04B20/12C08F10/02C08F10/06C08F12/08C08F20/06C08J3/12C08J5/18C08K3/26C08K7/24C08K7/26C08K9/10C08K2003/265C08K2201/003C08K2201/011C08K2201/014C09C1/021C09C1/40C09C1/42C09C3/10C04B14/08C04B14/02C04B14/28
Inventor 刘刚孙江波
Owner 北京艾科美特新材料开发有限公司