On September 9th, Sichuan Xinwanxing Carbon Fiber Composites Co., Ltd. carbon fiber composite material project, the first phase of engineering carbon fiber prepreg production line officially put into operation. It is reported that Xinwanxing Carbon Fiber Composites Project has a total investment of 1.2 billion yuan. The project covers an area of ​​536 acres and is divided into two phases. One phase of the project invested 560 million yuan, which is a high-performance carbon fiber prepreg production project. The second phase of the project is a carbon fiber composite product production project. The project started in March 2010 and has completed the first-phase project construction. After completion, it will form an annual production capacity of 10 million square meters of high-performance carbon fiber prepreg and annual production of 500 tons of carbon fiber composite products.
Old
VAT dye VAT dye, insoluble in water, in the alkaline solution by sodium
dithionite reduction processing powder (insurance), and make the fiber
dyeing dye. Its fast and washing fastness especially, can be used for
cotton, linen, viscose, whalen fiber dyeing and printing, etc.
In
the molecular structure of VAT dye excluding sulfonic group, carboxylic
acid base, such as water soluble groups, insoluble in water, therefore,
cannot be directly dyed; The molecular conjugated double bond systems
containing at least two carbonyl, interaction with insurance powder in
the alkaline solution, carbonyl reduction into hydroxyl, become water
soluble compounds ─ ─ the leuco body. Is leuco body has affinity to
fiber, fiber after adsorption, oxidized by air or other oxidants, leuco
body back for VAT dye fixation on fiber staining. Leuco body staining
method shortcoming is dye into the fibers not easily, if the suspension
pad dyeing, the reduction of the outstanding dye made from suspension
solution, borrow machine rolling pressure make dye fine, evenly
distributed on the dyed fabric treated with insurance powder and make
dye reduction by fiber adsorption, good is thicker and uniform can be
obtained by the oxidation dyeing effect.
Its
chromatographic is full, bright color, soaping, tanning fastness are
high, but because the price is more expensive, some yellow, orange and
other color with photosensitivity brittle damage phenomenon, make its
application is limited by certain.
Because Vat Dyes does
not dissolve in water, so the side effects of it on the human body easy
to control, more safe and convenient for environmental protection, but
its cost is generally high.
Vat Dyes, Vat Red Dyes, Vat Dyes Manufacturer Dynasty Chemicals (NingBo) Co., Ltd. , https://www.dychemco.com
The project has introduced internationally advanced production equipment from Switzerland, Germany and other places. The modern production line integrating automatic coating, dipping, rewinding and slitting machines has almost adopted all the advanced production technologies of carbon fiber prepreg in the world. Its prepreg width of 1,600 mm is the largest and largest scale production line in China.
On the same day, Sichuan Xinwanxing Carbon Fiber Composites Co., Ltd. also signed a strategic technology cooperation agreement with the Department of Automotive Engineering of Tsinghua University and the United States Yaqi Company to strengthen technical cooperation in the field of carbon fiber composite materials.