Curing agent of epoxy resin industry in China's important enterprise of henan province natural selection industrial co., LTD., relying on technical advantage and advanced environmental protection, resource, after entering the field of epoxy system, in 2001 epoxy resin curing agent production and sales growth, expected this year output can reach 4000 tons, an increase of nearly 50%; While most orders have to carry out the next year, is expected to reach 50% growth rate can still be. According to the China epoxy resin industry association experts, natural selection is industrial synthetic chemical plant, specialized in the production of vitamins feed additives in the field of resources under the condition of surplus to exploit epoxy resin, and quickly became the epoxy resin curing agent and the raw material of modern large enterprises.

Natural selection industry launched a new generation of TCY, TBY series heavy-duty epoxy resin curing agent, is the use of its own production of alicyclic amine TAC, long chain aliphatic amine TAB and natural cashew oil extracting cashew phenol, and aldehyde to manny (mannich reaction. A new generation of TCY, TBY series heavy-duty epoxy resin curing agent, both the low molecular weight aliphatic amine low viscosity, high hardness and excellent chemical corrosion resistance, and low toxicity of low molecular weight polyamide, longer life and good toughness, and general phenolic aldehyde amine rapid curing, excellent adhesion and temperature resistance. The viscosity lower than traditional no.t31.welcome, with excellent adhesion and low temperature curing performance, but less than traditional no.t31.welcome hardness and heat resistance, and the bonding strength is much higher than traditional no.t31.welcome, can be cured under 25 ℃, comprehensive performance is superior to the traditional no.t31.welcome and polyamide, epoxy heavy-duty coating in this century is the product of choice.

Their research and development production of special epoxy curing agent series, for different using environment highlight the specificity and thus welcome by the market. China epoxy resin industry association experts said that the TCA - 300 type casting special epoxy curing agent system adopting alicyclic amine was the TAC for chemical addition, colour and lustre is shallow, low viscosity, and the epoxy resin curing, heat quantity is small, long period, gives cured good optical performance, adhesive performance, excellent solvent resistance (especially chlorinated solvents), improve the curing of flexibility and impact resistance. Using after curing can improve its heat resistance, can also be used for architectural coatings, floor coatings, anticorrosive coatings, handicraft production, etc.; TCB - 301 type coating special curing agent with low viscosity, low toxicity, colour and lustre is shallow, give cured good optical properties, adhesive ability and excellent chemical corrosion resistance and bending resistance, can also be used for bonding agent, laminated material and solvent-free coatings, etc.; TCE - 304 special epoxy potting curing agent system to TAC alicyclic amine as the raw material for condensation, addition reaction was, light color, low toxic and moderate viscosity, and the epoxy resin curing, heat quantity is small, long period, heat curing, give cured good bonding properties, chemical resistance and excellent flexibility of flexure, can also be used for bonding agent, fumo, solvent coating, etc.

In ensuring and improving application performance under the premise of promoting greening of products, is also one of natural selection industry focus. As application gradually expanded, especially the building structural adhesive application, the traditional curing agent no.t31.welcome exposed the weaknesses. In November 1, commissioned by the ministry of construction in sichuan jianke institute GB50367 standard draft of building codes, regulations of ethylenediamine or ethylenediamine modified products shall not be used for building structure glue, make with ethylenediamine as the raw material of traditional no.t31.welcome blacked out in the field. Natural selection industrial use low-toxic alicyclic amine as raw material, developed new products, phenolic amine compound by dalian authority such as unit testing, the performance proves reliable, wet and heat aging resistance, can be used for building structural adhesive, and in the environmental protection performance, better weather resistance. Alicyclic amine curing agent are the important aspects, the development of the curing agent in China industrial natural selection is the first choice in that direction and make a breakthrough, is largely based on alicyclic amine has low toxicity, strong weatherability, toughness good outstanding characteristic; While gm's biggest weakness is poor toughness of epoxy resin, although will be modified alicyclic amine curing epoxy resin (or substitute expensive alicyclic epoxy resin for general, but the cost is too high), no matter how short of alicyclic amine and their modified products. And fatty amine is not only environmental problems, and raw materials control in the hands of foreign manufacturers, high price, or indefinite, unable to meet the normal supply.

Research and development ability strong, the trade and industry, and combined with culture thickness is natural selection industry of the path to success. The company staff is not much, but established facilities, advanced research and development center, with 2 people, senior engineer 6 people, Dr Has independent experiment center and pilot plant, equipped with galls chromatography, HPLC, gc, ir and other analytical instruments, a powerful force continuously expand and research and development personnel and equipment, at the same time has two production plants, covers an area of 40 mu, there are many sets of modern control unit operation and equipment and perfect the utility facilities. Epoxy resin in order to better service customers, the company this year also a nationwide collection construction, epoxy resin application experience, a large number of new applications is introduced, application experiences, skills, construction accident analysis, expectations of new application areas to explore, resin and curing agent and prospects of its application of the new requirements, not only make their products better meet the user requirements, also received a lot of business opportunities.