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Rubber product performance requirements for fillers

Release time:

2020-12-05 16:36

Source:

Dongguan Mingzhen

Rubber, together with plastic and fiber, is called the three major synthetic materials. It is the only polymer material with high flexibility and excellent elasticity. Silicone product manufacturers are easy to clean: silicone cake mold products can be washed with clean water after use, and silicone products can also be cleaned in dishwashers. Long life: silicone material properties are very stable, made of cake mold products, than other materials have a longer life. Soft and comfortable: thanks to the softness of silica gel material, cake mold products feel comfortable, very flexible, no deformation, silica gel products with silica gel keys open porous structure, can absorb many substances, is a good desiccant, adsorbent and catalyst carrier.

The adsorption effect of silica gel is mainly physical adsorption, which can be regenerated and used repeatedly. Seal ring acid is added to alkali metal silicate (such as sodium silicate) solution to acidify it, and then a certain amount of electrolyte is added to stir, I .e. silicic acid gel is generated, or acid or ammonium salt can be added to concentrated sodium silicate solution to generate silicic acid gel. The biggest characteristic of rubber is that the elastic modulus is very small and the elongation is high.

Silica gel products have an open porous structure, can absorb many substances, is a good desiccant, adsorbent and catalyst carrier, the adsorption of silica gel is mainly physical adsorption, can be regenerated and used repeatedly, in alkali metal silicate (such as silica gel products factory sodium) solution plus acid, so that acidification, and then add a certain amount of electrolyte stirring, that is, the formation of silicic acid gel, alternatively, the addition of an acid or ammonium salt to a more concentrated sodium silicate solution can also produce a silicic acid gel.

In the name of reinforcing filler particles, they should have strong chemical active silica gel key manufacturers, can produce good combination with rubber, can improve the mechanical function, aging resistance function and adhesion function of vulcanized rubber, silica gel products have open porous structure, can adsorb many substances, and are a good desiccant, adsorbent and catalyst carrier. The adsorption effect of sealing silica gel is mainly physical adsorption, which can be regenerated and used repeatedly.

Add acid to alkali metal silicate (such as sodium silicate) solution to acidify it, and then add a certain amount of electrolyte to stir to generate silicic acid gel, or add acid or ammonium salt to concentrated sodium solution of silicone rubber products to generate silicic acid gel. The non-reinforcing filler particles are chemically inert in name, do not produce chemical combination with rubber, and do not affect the mechanical function, weather resistance, acid and alkali resistance and water resistance of vulcanized rubber.

Individually, the finer the rubber key particles of the reinforcing filler, the larger the nominal product, the larger the contact area with the rubber, and the better the reinforcing consequences. The finer the non-reinforcing filler particles, the better the mixing consequences after adding rubber, but the evacuation must be uniform. If the evacuation is uneven, even if the particles are very fine, the mixing consequences are not good.

 

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Rubber products production process common raw materials

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Rubber products production process common raw materials

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