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Definition and Classification of Resin Industry

source:www.ah-yongchang.com present time:2016-12-12

 First, the definition of China's resin industry:

Rosin, benzoin and the like are natural resins, phenolic resins, polyvinyl chloride resins and the like are synthetic resins. Resin is the main raw material for the manufacture of plastic, but also for the system of paint (film-forming substances, such as the Guangdong surplus resin series), adhesives, insulation materials.

Research found that the resin has a natural resin and synthetic resin of the points. Natural resin refers to the nature of animal and plant secretions from the amorphous organic matter, such as rosin, amber, shellac and so on. Synthetic resin refers to the simple organic compounds by chemical synthesis or certain natural products obtained by the chemical reaction of the resin products.

Second, China's resin classification:

By resin synthesis reaction classification

In this way the resin can be divided into addition polymers and polycondensates. Addition polymer refers to the addition polymerization reaction of the polymer, the chain structure of the chemical formula and monomer of the same formula, such as polyethylene, polystyrene, polytetrafluoroethylene and so on.

Polycondensate refers to the polymer produced by condensation polymerization, the structural unit of the chemical formula and the monomer formula is different, such as phenolic resin, polyester resin, polyamide resin.

According to the resin molecular main chain composition

In this way, the resin can be divided into carbon chain polymer, hetero-chain polymer and elemental organic polymer.

The carbon chain polymer refers to a polymer in which the main chain is composed entirely of carbon atoms, such as polyethylene, polystyrene and the like.

A hetero-chain polymer is a polymer in which the main chain is composed of atoms of two or more elements, such as carbon, oxygen, nitrogen and sulfur, such as polyoxymethylene, polyamide, polysulfone and polyether. Elements Organic polymer is the main chain does not necessarily contain carbon atoms, mainly by silicon, oxygen, aluminum, titanium, boron, sulfur, phosphorus and other elements of atoms, such as silicones.
A hetero-chain polymer is a polymer in which the main chain is composed of atoms of two or more elements, such as carbon, oxygen, nitrogen and sulfur, such as polyoxymethylene, polyamide, polysulfone and polyether. Elements Organic polymer is the main chain does not necessarily contain carbon atoms, mainly by silicon, oxygen, aluminum, titanium, boron, sulfur, phosphorus and other elements of atoms, such as silicones.

Classified by resin properties

Thermosetting resin (glass fiber reinforced plastics): unsaturated polyester / vinyl ester / epoxy / phenolic / bismaleimide (bmi) / polyimide resin.

Thermoplastic resin: Polypropylene (pp) / polycarbonate (pc) / nylon (nylon) / polyether ether ketone (peek) / polyether sulfone (pes) and so on.

Synthetic resin is synthesized by a class of high-molecular polymer. The most important application of synthetic resins is the manufacture of plastics. In order to facilitate processing and improve performance, often add additives, and sometimes directly used for processing forming, Guchang is synonymous with plastic. Synthetic resin or the manufacture of synthetic fibers, paints, adhesives, insulation materials such as the basic raw materials. There are many kinds of synthetic resins, among which polyethylene (PE), polyvinyl chloride (PVC), polystyrene (PS), polypropylene (PP) and ABS resin are the most common synthetic resin materials. .

  

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