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News > Dynamic industry > To solve the problem of a silicone molding plastic plasticizer

To solve the problem of a silicone molding plastic plasticizer

Plastics have greatly promoted the development of human society, said the use of our present society has been inseparable from the plastic, but plasticizer storm has once again aroused the plastic security issues of concern to us. How to solve this problem has become the focus of our attention. It is gratifying that the development of silicone mold plastic brought us to solve the problem of the dawn.
The stone that can be seen everywhere, seemingly not much use, however, has led the development of new materials technology. Silicon, an element that plays a key role in the development of new material technology, is the main element that forms the rocks we can see everywhere. It not only has set off a new technological revolution in the electronics, communication and other industries, but also gradually in the development of new material technology, such as plastic industry plays an increasingly important role.
The traditional plastic products for synthesis of polymers, the material is using ethylene or vinyl chloride monomer raw materials to synthesis condensation reaction or polymerization and by synthetic resin and filler, increasing plastic agents, stabilizers, lubricants, pigments and other additives.
In the use process, plastic products harmful small molecules such as plasticizer and a volatile hydrogen chloride and other harmful gases to human health caused great harm.
In order to solve this problem, the research and development of the organic silicon molding plastics have attracted the attention of the world.
Silicone plastic is a new type of silicone material as a base material or some kind of auxiliary agent, a new type of plastic, which belongs to the thermosetting plastics. And the commonly used thermal plastic compared, silicone molding plastic does not contain plasticizer and other harmful substances, consisting mainly of material consists of silicone resins, fillers, pigments, such as curing agent.
Molded silicone products processing, are usually based silicone resin, filling material pre kneading mixing evenly, add curing agent, mold discharging agent additives, such as mix immediately after cooling into proper shape preform mass or mixture powder and materials group or powder by compression molding or transfer molding molding process, and finally through the molding after curing to achieve the best performance.
Silicone materials used in the field of plastic processing are mainly silicone polymer and silane coupling agent. Organic silicon polymer is a kind of polymer which is composed of the silicon atom and oxygen atom, the different organic groups and the silicon atom. It has similar silicate structure of silicon - oxygen polymer skeleton, also with organic side chain methyl, phenyl, vinyl, alkoxy, etc. so, silicone material structure contains both organic groups, but also containing inorganic structure, so it is a class with semi organic - inorganic structure of special polymer materials, has some unique properties.
Organosilicon polymers with special structure polymer gives it a series of excellent performance: high and low temperature resistance, moistureproof hate water, low surface energy, high insulation strength, low dielectric loss, weathering resistance. The silane coupling agent is a kind of highly reactive organic silicon compound, which is composed of organic groups and active functional groups, which are connected with the silicon atoms. Silane coupling agent specific function is organic groups and related species of polymer affinity, silane coupling agent groups were hydrolyzed by hydrolysis condensation reaction, and form chemical bonding polar substrate surface, or chemical crosslinking, which plays an important role in thickening and enhancement, as well as the crosslinking function, used in sealing, adhesive, coating and so on.
Used in plastic processing field of silicone products can be classified into two categories: one is silicone as the application of plastic body material is mainly based on silicone based polymer with other auxiliary materials, processing system to silicone plastic products. The main products include silicone mold, silicone and silicone foam, etc..
The other is the application of plastics additives and auxiliary materials, which mainly include crosslinking agent, lubricant, dispersing agent, release agent, filler treatment agent, reinforcing agent, increasing viscosity agent, foaming agent, etc.. Due to the characteristics of silicone materials, additives in the silicone group points and plastic substrate carbon - carbon chain polymer is compatible and different. Therefore, it can be mixed with each other play a unique role and will not be based polymer completely submerged assimilation failure.
So the application of a small amount of silicone additives can not only increase the cost of production and even reduce the cost, but also can improve the process conditions and improve the performance of plastic products.
Research has shown that silicone materials on the human body is basically non-toxic or low toxicity, use of silicone materials in plastic processing industry, whether it is as the main material and accessory materials, greatly improve the performance of the product at the same time and also reduce the traditional harmful accessory materials, greatly reducing the similar plasticizers, fillers and traditional plastic itself on the human body harm. Plastic plasticizer and other ingredients harm on the human body, is more and more be concern. To solve the security problem of plastic and silicone molding plastic development will be the inevitable trend of the development of the plastics industry.
At present, silicone material has been widely used in the field of food safety and medicine and health, the safety and reliability of silicone plastic has been proved. In order to solve the problems in the liquor plasticizer exceed the standard, we must start from the external pollution in this area. For wine production equipment, packaging materials, transportation tool and save materials, such as more or less inevitably contain plasticizer and other harmful substances, and to solve these problems, may wish to choose silicone molding plastic so that the new material.

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